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koffice/kdgantt/KDGanttViewSubwidgets.cpp

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/* -*- Mode: C++ -*-
$Id: KDGanttViewSubwidgets.cpp 669475 2007-05-29 13:44:48Z mueller $
KDGantt - a multi-platform charting engine
*/
/****************************************************************************
** Copyright (C) 2002-2004 Klar<61>vdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KDGantt library.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid commercial KDGantt licenses may use this file in
** accordance with the KDGantt Commercial License Agreement provided with
** the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.klaralvdalens-datakonsult.se/Public/products/ for
** information about KDGantt Commercial License Agreements.
**
** Contact info@klaralvdalens-datakonsult.se if any conditions of this
** licensing are not clear to you.
**
** As a special exception, permission is given to link this program
** with any edition of TQt, and distribute the resulting executable,
** without including the source code for TQt in the source distribution.
**
**********************************************************************/
#include "KDGanttViewSubwidgets.h"
#include "KDGanttViewEventItem.h"
#include "KDGanttViewSummaryItem.h"
#include "KDGanttViewTaskItem.h"
#ifndef KDGANTT_MASTER_CVS
#include "KDGanttViewSubwidgets.moc"
#endif
#include <tqlabel.h>
#include <tqheader.h>
#include <tqpainter.h>
#include <tqrect.h>
#include <tqtooltip.h>
#include <tqapplication.h>
#include <tqdrawutil.h>
#include <tqpalette.h>
#include <tqdragobject.h>
#include <tqptrlist.h>
#include <tqpen.h>
#include <kglobal.h>
#include <klocale.h>
#include <kcalendarsystem.h>
#include <kdebug.h>
KDTimeTableWidget:: KDTimeTableWidget( TQWidget* parent,KDGanttView* myGantt)
: TQCanvas (TQT_TQOBJECT(parent))
{
myGanttView = myGantt;
taskLinksVisible = true;
flag_blockUpdating = false;
int_blockUpdating = 0;
gridPen.setStyle(Qt::DotLine);
gridPen.setColor(TQColor(100,100,100));
maximumComputedGridHeight = 0;
denseLineCount = 0;
denseLineBrush = TQBrush( TQColor ( 240,240,240 ));
noInfoLineBrush = TQBrush( TQColor ( 100,100,100 ), TQt::FDiagPattern );
pendingHeight = 0;
pendingWidth = 0;
retune(256);
resize(1,1);
}
TQPtrList<KDGanttViewTaskLink> KDTimeTableWidget::taskLinks()
{
return myTaskLinkList;
}
void KDTimeTableWidget::clearTaskLinks()
{
// cannot use clear() here, as tasklinks will remove themselves from my list when deleted!
TQPtrListIterator<KDGanttViewTaskLink> it(myTaskLinkList);
while (it.current()) {
delete it.current();
}
}
void KDTimeTableWidget::resetWidth( int wid )
{
if ( wid == width() ) {
if (pendingHeight)
pendingWidth = wid;
else
pendingWidth = 0;
return;
}
if ( ! pendingHeight )
pendingHeight = height();
pendingWidth = wid;
updateMyContent();
}
void KDTimeTableWidget::checkHeight( int hei )
{
if( hei < height() )
return;
if ( pendingHeight < hei+100)
pendingHeight = hei+100;
if ( ! pendingWidth )
pendingWidth = width();
maximumComputedGridHeight = 0; //force recomputing all
updateMyContent();
}
void KDTimeTableWidget::setNoInformationBrush( const TQBrush& brush )
{
noInfoLineBrush = brush;
updateMyContent();
}
TQBrush KDTimeTableWidget::noInformationBrush() const
{
return noInfoLineBrush;
}
void KDTimeTableWidget::removeItemFromTasklinks( KDGanttViewItem* item)
{
TQPtrListIterator<KDGanttViewTaskLink> it((myTaskLinkList));
for ( ; it.current(); ++it ) {
it.current()->removeItemFromList( item );
}
}
void KDTimeTableWidget::expandItem( TQListViewItem * item)
{
item->invalidateHeight () ;
//tqApp->processEvents();
updateMyContent();
}
void KDTimeTableWidget::collapseItem( TQListViewItem * item)
{
item->invalidateHeight () ;
//tqApp->processEvents();
updateMyContent();
}
void KDTimeTableWidget::highlightItem( TQListViewItem * item )
{
static bool itemwashighlighted;
static KDGanttViewItem* highlightedItem = 0;
if (highlightedItem)
highlightedItem->setHighlight(itemwashighlighted);
highlightedItem = ( KDGanttViewItem*)item;
itemwashighlighted = highlightedItem->highlight();
highlightedItem->setHighlight(true);
item->invalidateHeight () ;
myGanttView->myListView->contentsY();
updateMyContent();
}
int KDTimeTableWidget::computeHeight()
{
// compute height of ListView
// show only items shown in ListView
int hei = 0;
KDGanttViewItem* temp;
temp = myGanttView->firstChild();
while (temp) {
hei += temp->computeHeight();
temp = temp->nextSibling();
}
// set hei to 1 to avoid canavs to be a null pixmap
if (hei == 0) {
hei = 1;
}
//tqDebug("COMPUTED HEI %d ", hei);
emit heightComputed( hei );
return hei;
}
void KDTimeTableWidget::computeVerticalGrid()
{
// recompute the vertical grid
// compute the vertical grid
// if we have too much lines, hide them
//tqDebug("computeVerticalGrid() ");
int cw = myGanttView->myTimeHeader->myGridMinorWidth;
int i = 0;
int h ;
if (pendingHeight > height() )
h = pendingHeight;
else
h = height();
int wid;
if ( pendingWidth )
wid = pendingWidth;
else
wid = width();
KDCanvasLine* templine;
KDCanvasRectangle* temprect;
TQColor colcol;
TQPen colPen;
bool colorIterator = true;
if (myGanttView->showMinorTicks()){//minor
colPen.setWidth(cw);
TQPtrListIterator<KDCanvasRectangle> itcol(columnColorList);
TQPtrListIterator<KDCanvasLine> itgrid(verGridList);
for ( ; itgrid.current(); ++itgrid ) {
if (i < wid) {
itgrid.current()->setPoints(i,0,i,h);
itgrid.current()->show();
if (myGanttView->myTimeHeader->getColumnColor(colcol,i,i+cw))
{
colPen.setColor(colcol);
if (colorIterator)
colorIterator = itcol.current();
if (colorIterator)
{/*
itcol.current()->setPen(colPen);
itcol.current()->setPoints(i+(cw/2),0,i+(cw/2),h);
*/
itcol.current()->setPen( Qt::NoPen );
itcol.current()->setBrush( TQBrush( colcol, SolidPattern) );
itcol.current()->setSize(cw ,h );
itcol.current()->move( i, 0 );
itcol.current()->show();
++itcol;
} else {
/*
templine = new KDCanvasLine(this,0,Type_is_KDGanttGridItem);
templine->setPen(colPen);
templine->setPoints(i+(cw/2),0,i+(cw/2),h);
*/
temprect = new KDCanvasRectangle(this,0,Type_is_KDGanttGridItem);
temprect->setPen( Qt::NoPen );
temprect->setBrush( TQBrush( colcol, SolidPattern) );
temprect->setSize(cw ,h );
temprect->move( i, 0 );
temprect->setZ(-20);
temprect->show();
columnColorList.append(temprect);
}
}
i += cw;
} else {
itgrid.current()->hide();
}
}
// create additional Lines for vertical grid
for ( ;i < wid;i += cw) {
templine = new KDCanvasLine(this,0,Type_is_KDGanttGridItem);
templine->setPen(gridPen);
templine->setPoints(i,0,i,h);
templine->setZ(0);
templine->show();
verGridList.append(templine);
if (myGanttView->myTimeHeader->getColumnColor(colcol,i,i+cw))
{
colPen.setColor(colcol);
if (colorIterator)
colorIterator = itcol.current();
if (colorIterator)
{/*
itcol.current()->setPen(colPen);
itcol.current()->setPoints(i+(cw/2),0,i+(cw/2),h);
*/
itcol.current()->setPen( Qt::NoPen );
itcol.current()->setBrush( TQBrush( colcol, SolidPattern) );
itcol.current()->setSize(cw ,h );
itcol.current()->move( i, 0 );
itcol.current()->show();
++itcol;
} else {
temprect = new KDCanvasRectangle(this,0,Type_is_KDGanttGridItem);
temprect->setPen( Qt::NoPen );
temprect->setBrush( TQBrush( colcol, SolidPattern) );
temprect->setSize(cw ,h );
temprect->move( i, 0 );
temprect->setZ(-20);
temprect->show();
columnColorList.append(temprect);
/*
templine = new KDCanvasLine(this,0,Type_is_KDGanttGridItem);
templine->setPen(colPen);
templine->setPoints(i+(cw/2),0,i+(cw/2),h);
templine->setZ(-20);
templine->show();
columnColorList.append(templine);
*/
}
}
}
if (colorIterator)
for ( ; itcol.current(); ++itcol )
itcol.current()->hide();
} else {//major
if (myGanttView->showMajorTicks()) {
TQValueList<int>::iterator intIt = myGanttView->myTimeHeader->majorTicks.begin();
TQValueList<int>::iterator intItEnd = myGanttView->myTimeHeader->majorTicks.end();
TQPtrListIterator<KDCanvasRectangle> itcol(columnColorList);
TQPtrListIterator<KDCanvasLine> itgrid(verGridList);
int left = 0;
for ( ; itgrid.current(); ++itgrid ) {
if (intIt != intItEnd) {
left = (*intIt);
++intIt;
itgrid.current()->setPoints(left,0,left,h);
itgrid.current()->show();
//int right = (*intIt);
if ((*intIt))
if (myGanttView->myTimeHeader->getColumnColor(colcol,left,(*intIt) ))
{
int mid = (-left+(*intIt));
colPen.setColor(colcol);
colPen.setWidth((*intIt)-left);
if (colorIterator)
colorIterator = itcol.current();
if (colorIterator)
{/*
itcol.current()->setPen(colPen);
itcol.current()->setPoints(i+mid,0,mid,h);
*/
itcol.current()->setPen( Qt::NoPen );
itcol.current()->setBrush( TQBrush( colcol, SolidPattern) );
itcol.current()->setSize(mid ,h );
itcol.current()->move( left, 0 );
itcol.current()->show();
++itcol;
} else {
temprect = new KDCanvasRectangle(this,0,Type_is_KDGanttGridItem);
temprect->setPen( Qt::NoPen );
temprect->setBrush( TQBrush( colcol, SolidPattern) );
temprect->setSize(mid,h );
temprect->move( left, 0 );
temprect->setZ(-20);
temprect->show();
columnColorList.append(temprect);
/*
templine = new KDCanvasLine(this,0,Type_is_KDGanttGridItem);
templine->setPen(colPen);
templine->setPoints(mid,0,i+mid,h);
templine->setZ(-20);
templine->show();
columnColorList.append(templine);
*/
}
}
} else {
itgrid.current()->hide();
}
}
KDCanvasLine* templine;
// create additional Lines for vertical grid
for ( ;intIt != intItEnd ;++intIt) {
templine = new KDCanvasLine(this,0,Type_is_KDGanttGridItem);
templine->setPen(gridPen);
templine->setPoints((*intIt),0,(*intIt),h);
templine->setZ(0);
templine->show();
verGridList.append(templine);
if ((*intIt))
if (myGanttView->myTimeHeader->getColumnColor(colcol,left,(*intIt)))
{
int mid = (-left+(*intIt));
colPen.setColor(colcol);
colPen.setWidth((*intIt)-left);
if (colorIterator)
colorIterator = itcol.current();
if (colorIterator)
{/*
itcol.current()->setPen(colPen);
itcol.current()->setPoints(i+mid,0,mid,h);
*/
itcol.current()->setPen( Qt::NoPen );
itcol.current()->setBrush( TQBrush( colcol, SolidPattern) );
itcol.current()->setSize(mid ,h );
itcol.current()->move( left, 0 );
itcol.current()->show();
++itcol;
} else {
temprect = new KDCanvasRectangle(this,0,Type_is_KDGanttGridItem);
temprect->setPen( Qt::NoPen );
temprect->setBrush( TQBrush( colcol, SolidPattern) );
temprect->setSize(mid ,h );
temprect->move( left, 0 );
temprect->setZ(-20);
temprect->show();
columnColorList.append(temprect);
/*
templine = new KDCanvasLine(this,0,Type_is_KDGanttGridItem);
templine->setPen(colPen);
templine->setPoints(mid,0,i+mid,h);
templine->setZ(-20);
templine->show();
columnColorList.append(templine);
*/
}
}
left = (*intIt);
}
if (colorIterator)
for ( ; itcol.current(); ++itcol ) {
itcol.current()->hide();
}
}
else {
//hideall
TQPtrListIterator<KDCanvasLine> itgrid(verGridList);
for ( ; itgrid.current(); ++itgrid ) {
itgrid.current()->hide();
}
TQPtrListIterator<KDCanvasRectangle> itcol(columnColorList);
for ( ; itcol.current(); ++itcol ) {
itcol.current()->hide();
}
}
}
}
void KDTimeTableWidget::computeHorizontalGrid()
{
// compute horizontal grid
//tqDebug("computeHorizontalGrid() ");
KDGanttViewItem* temp = myGanttView->firstChild();
int wid;
if ( pendingWidth )
wid = pendingWidth;
else
wid = width();
KDCanvasLine* templine;
TQPtrListIterator<KDCanvasLine> ithor(horGridList);
if ( ithor.current() ) {
templine = ithor.current();
++ithor;
} else {
templine = new KDCanvasLine(this,0,Type_is_KDGanttGridItem);
templine->setPen(gridPen);
templine->setZ(0);
horGridList.append(templine);
}
templine->setPoints(0,0,wid,0);
templine->show();
int posY;
while ( temp ) {
posY = temp->itemPos() + temp->height();
if ( ithor.current() ) {
templine = ithor.current();
++ithor;
} else {
//new vertical grid line
templine = new KDCanvasLine(this,0,Type_is_KDGanttGridItem);
templine->setPen(gridPen);
templine->setZ(0);
horGridList.append(templine);
}
if ( templine->endPoint() != TQPoint(wid,posY ))
templine->setPoints(0,posY,wid,posY );
if ( !templine->isVisible() )
templine->show();
//TQString ts = "asGroup";
//if (!temp->displaySubitemsAsGroup() )
// ts = " NOT asGroup";
//tqDebug("temp name %s %s", temp->listViewText(0).latin1(), ts.latin1());
temp = temp->itemBelow ();
}
while ( ithor.current() ) {
if ( ithor.current()->isVisible() )
ithor.current()->hide();
++ithor;
}
}
void KDTimeTableWidget::computeDenseLines()
{
KDGanttViewItem* temp = myGanttView->firstChild();
int wid;
if ( pendingWidth )
wid = pendingWidth;
else
wid = width();
TQPtrListIterator<KDCanvasRectangle> ithordense(horDenseList);
KDCanvasRectangle* denseLine;
int tempDenseLineCount = 0;
while ( temp ) {
if ( temp->isVisible() ) {
++tempDenseLineCount;
if ( tempDenseLineCount == denseLineCount ) {
tempDenseLineCount = 0;
if ( ithordense.current() ) {
denseLine = ithordense.current();
++ithordense;
} else {
denseLine =new KDCanvasRectangle(this,0,Type_is_KDGanttGridItem);
denseLine->setZ(-2);
horDenseList.append( denseLine );
}
if ( denseLine->rect() != TQRect(0, temp->itemPos(),wid, temp->height()) ) {
denseLine->move( 0, temp->itemPos() );
denseLine->setSize( wid, temp->height());
}
if (denseLine->brush() != denseLineBrush ) {
denseLine->setPen( TQPen( TQt::NoPen ) );
denseLine->setBrush( denseLineBrush);
}
if (!denseLine->isVisible() )
denseLine->show();
} else {
;
}
}
temp = temp->itemBelow ();
}
while ( ithordense.current() ) {
if ( ithordense.current()->isVisible() ) {
ithordense.current()->hide();
}
++ithordense;
}
}
void KDTimeTableWidget::computeShowNoInformation()
{
KDGanttViewItem* temp = myGanttView->firstChild();
int wid;
if ( pendingWidth )
wid = pendingWidth;
else
wid = width();
TQPtrListIterator<KDCanvasRectangle> itnoinfo(showNoInfoList);
KDCanvasRectangle* noInfoLine;
while ( temp ) {
if ( temp->showNoInformation() ) {
if ( itnoinfo.current() ) {
noInfoLine = itnoinfo.current();
++itnoinfo;
} else {
noInfoLine =new KDCanvasRectangle(this,0,Type_is_KDGanttGridItem);
showNoInfoList.append( noInfoLine );
noInfoLine->setZ(-1);
}
noInfoLine->move( 0, temp->itemPos() );
noInfoLine->setSize( wid, temp->height());
noInfoLine->setPen( TQPen( TQt::NoPen ) );
noInfoLine->setBrush( noInfoLineBrush);
noInfoLine->show();
}
temp = temp->itemBelow ();
}
while ( itnoinfo.current() ) {
itnoinfo.current()->hide();
++itnoinfo;
}
}
void KDTimeTableWidget::computeTaskLinks()
{
//compute and show tasklinks
TQPtrListIterator<KDGanttViewTaskLink> it((myTaskLinkList));
for ( ; it.current(); ++it ) {
if (it.current()->isVisible())
it.current()->showMe(true);
else
it.current()->showMe(false);
}
}
// updateMyContent() can be blocked by blockUpdating( true ) or inc_blockUpdating()
// updateMyContent() is blocked, if the GanttView is hidden after startup
void KDTimeTableWidget::updateMyContent()
{
if ( flag_blockUpdating || int_blockUpdating ) {
// tqDebug("KDTimeTableWidget::updateMyContent() blocked! ");
return;
}
//tqDebug("KDTimeTableWidget::updateMyContent() ********************************* ");
/*
// debug output
KDGanttViewItem* temp = myGanttView->firstChild();
while (temp != 0) {
temp->printinfo(" " );
temp = temp->nextSibling();
}
*/
int hei = computeHeight();
minimumHeight = hei;
int viewport_hei = myGanttView->myCanvasView->viewport()->height();
if ( viewport_hei > hei )
hei = viewport_hei + 100;
if ( myGanttView->myTimeHeader->registerStartTime() )
return; // try again via timeheader computeTicks();
if ( myGanttView->myTimeHeader->registerEndTime() )
return; // try again via timeheader computeTicks();
if ( hei > height() ) {
if ( ! pendingWidth )
pendingWidth = width();
if ( pendingHeight < hei )
pendingHeight = hei;
}
if (pendingHeight > hei )
hei = pendingHeight;
if (hei > maximumComputedGridHeight)
{
maximumComputedGridHeight = hei;
// compute the background interval lines
myGanttView->myTimeHeader->computeIntervals( hei );
//computeQt::VerticalGrid and column color
computeVerticalGrid();
}
computeTaskLinks();
computeHorizontalGrid();
computeDenseLines();
computeShowNoInformation();
//setAllChanged();
update();
if (pendingWidth && pendingHeight ) {
resize( pendingWidth, pendingHeight );
pendingWidth = 0;
pendingHeight = 0;
emit heightComputed( 0 );
}
pendingWidth = 0;
pendingHeight = 0;
//tqDebug("KDTimeTableWidget::updateMyContent() -------------------------");
}
// used for blocking recursive methods
// e.g. KDGanttViewItem::setHighlight() and displaySubitemsAsGroup() == true
void KDTimeTableWidget::inc_blockUpdating( )
{
++ int_blockUpdating;
}
// used for blocking recursive methods
void KDTimeTableWidget::dec_blockUpdating( )
{
-- int_blockUpdating;
}
// if false(i.e. unblock), sets int_blockUpdating to 0
void KDTimeTableWidget::setBlockUpdating( bool block )
{
if ( !block )
int_blockUpdating = 0;
flag_blockUpdating = block;
}
bool KDTimeTableWidget::blockUpdating()
{
return flag_blockUpdating;
}
void KDTimeTableWidget::setShowTaskLinks( bool show )
{
taskLinksVisible = show;
updateMyContent();
}
bool KDTimeTableWidget::showTaskLinks()
{
return taskLinksVisible;
}
void KDTimeTableWidget::setHorBackgroundLines( int count, TQBrush brush )
{
denseLineBrush = brush;
denseLineCount = 0;
if ( count > 1 )
denseLineCount = count;
}
int KDTimeTableWidget::horBackgroundLines( TQBrush& brush )
{
brush = denseLineBrush;
return denseLineCount;
}
int KDTimeTableWidget::getCoordX( TQDateTime dt ) {
return myGanttView->myTimeHeader->getCoordX(dt);
}
/* ***************************************************************
KDTimeHeaderWidget:: KDTimeHeaderWidget
***************************************************************** */
KDTimeHeaderWidget:: KDTimeHeaderWidget( TQWidget* parent,KDGanttView* gant )
: TQWidget (parent)
{
myToolTip = new KDTimeHeaderToolTip(this,this);
mySizeHint = 0;
myGanttView = gant;
flagDoNotRecomputeAfterChange = true;
TQDateTime start = (TQDateTime::currentDateTime ()).addSecs(-3600);
setHorizonStart(start);
setHorizonEnd( start.addSecs(3600*2));
flagStartTimeSet = false;
flagEndTimeSet = false;
myCenterDateTime = TQDateTime::currentDateTime ();
setScale(KDGanttView::Auto);
//setScale(KDGanttView::Hour);
myMaxScale = KDGanttView::Month;
myMinScale = KDGanttView::Minute;
myAutoScaleMinorTickcount = 100;
setMajorScaleCount( 1 );
setMinorScaleCount( 1);
setMinimumColumnWidth( 5 );
setYearFormat(KDGanttView::FourDigit );
setHourFormat( KDGanttView::Hour_12 );
myZoomFactor = 1.0;
setWeekendBackgroundColor(TQColor(220,220,220) );
setWeekendDays( 6, 7 );
myGridMinorWidth = 0;
myPopupMenu = new TQPopupMenu(this);
TQPopupMenu * zoomPopupMenu = new TQPopupMenu(this);
myPopupMenu->insertItem (i18n("Zoom"),zoomPopupMenu, 1);
zoomPopupMenu->insertItem( i18n("Zoom to 100%"),this, TQT_SLOT(setSettings(int)),0 ,21,21 );
zoomPopupMenu->insertItem( i18n("Zoom to Fit"),this, TQT_SLOT(setSettings(int)),0 ,20,20 );
zoomPopupMenu->insertItem( i18n("Zoom In (x 2)"),this, TQT_SLOT(setSettings(int)),0 ,22,22 );
zoomPopupMenu->insertItem( i18n("Zoom In (x 6)"),this, TQT_SLOT(setSettings(int)),0 ,24,24 );
zoomPopupMenu->insertItem( i18n("Zoom In (x 12)"),this, TQT_SLOT(setSettings(int)),0 ,26,26 );
zoomPopupMenu->insertItem( i18n("Zoom Out (x 1/2)"),this, TQT_SLOT(setSettings(int)),0 ,23,23 );
zoomPopupMenu->insertItem( i18n("Zoom Out (x 1/6)"),this, TQT_SLOT(setSettings(int)),0 ,25,25 );
zoomPopupMenu->insertItem( i18n("Zoom Out (x 1/12)"),this, TQT_SLOT(setSettings(int)),0 ,27,27 );
scalePopupMenu = new TQPopupMenu(this);
myPopupMenu->insertItem (i18n("Scale"),scalePopupMenu, 2);
scalePopupMenu->insertItem( i18n("Minute"),this, TQT_SLOT(setSettings(int)),0 ,1,1 );
scalePopupMenu->insertItem( i18n("Hour"),this, TQT_SLOT(setSettings(int)),0 ,2,2 );
scalePopupMenu->insertItem( i18n("Day"),this, TQT_SLOT(setSettings(int)),0 ,3,3 );
scalePopupMenu->insertItem( i18n("Week"),this, TQT_SLOT(setSettings(int)),0 ,4,4 );
scalePopupMenu->insertItem( i18n("Month"),this, TQT_SLOT(setSettings(int)),0 ,5,5 );
scalePopupMenu->insertItem( i18n("Auto"),this, TQT_SLOT(setSettings(int)),0 ,6,6 );
scalePopupMenu->setCheckable ( true );
timePopupMenu = new TQPopupMenu(this);
myPopupMenu->insertItem (i18n("Time Format"),timePopupMenu, 3);
timePopupMenu->insertItem( i18n("24 Hour"),this, TQT_SLOT(setSettings(int)),0 ,40,40 );
timePopupMenu->insertItem( i18n("12 PM Hour"),this, TQT_SLOT(setSettings(int)),0 ,41,41 );
timePopupMenu->insertItem( i18n("24:00 Hour"),this, TQT_SLOT(setSettings(int)),0 ,42,42 );
yearPopupMenu = new TQPopupMenu(this);
myPopupMenu->insertItem (i18n("Year Format"),yearPopupMenu, 4);
yearPopupMenu->insertItem( i18n("Four Digit"),this, TQT_SLOT(setSettings(int)),0 ,50,50 );
yearPopupMenu->insertItem( i18n("Two Digit"),this, TQT_SLOT(setSettings(int)),0 ,51,51 );
yearPopupMenu->insertItem( i18n("Two Digit Apostrophe"),this, TQT_SLOT(setSettings(int)),0 ,52,52 );
yearPopupMenu->insertItem( i18n("No Date on Minute/Hour Scale"),this, TQT_SLOT(setSettings(int)),0 ,53,53 );
gridPopupMenu = new TQPopupMenu(this);
myPopupMenu->insertItem (i18n("Grid"),gridPopupMenu,5);
gridPopupMenu->insertItem( i18n("Show Minor Grid"),this, TQT_SLOT(setSettings(int)),0 ,10,10 );
gridPopupMenu->insertItem( i18n("Show Major Grid"),this, TQT_SLOT(setSettings(int)),0 ,11,11 );
gridPopupMenu->insertItem( i18n("Show No Grid"),this, TQT_SLOT(setSettings(int)),0 ,12,12 );
myPopupMenu->insertItem( i18n("Print"),this, TQT_SLOT(setSettings(int)),0 ,30,30 );
connect(myPopupMenu, TQT_SIGNAL ( aboutToShow () ) , this, TQT_SLOT( preparePopupMenu() )) ;
flagZoomToFit = false;
setShowMinorTicks( true );
myRealEnd = myHorizonEnd;
myRealStart = myHorizonStart;
autoComputeTimeLine = true;
flagDoNotRecomputeAfterChange = false;
flagDoNotRepaintAfterChange = false;
setShowPopupMenu(false,false,false,false,false,false,false);
for (int j =1;j<8;++j)
weekdayColor[j] = TQt::white;
myMinimumWidth = 0;
mouseDown = false;
beginMouseDown = 0;
endMouseDown = 0;
}
KDTimeHeaderWidget::~KDTimeHeaderWidget()
{
delete myToolTip;
}
void KDTimeHeaderWidget::preparePopupMenu()
{
myPopupMenu->setItemVisible ( 1, flagShowZoom );
myPopupMenu->setItemVisible ( 2, flagShowScale );
myPopupMenu->setItemVisible ( 3, flagShowTime );
myPopupMenu->setItemVisible ( 4, flagShowYear );
myPopupMenu->setItemVisible ( 5, flagShowGrid);
myPopupMenu->setItemVisible ( 30, flagShowPrint );
if (flagZoomToFit)
myPopupMenu->changeItem( 1, i18n("Zoom (Fit)"));
else
myPopupMenu->changeItem( 1, i18n("Zoom (%1)").arg( TQString::number( zoomFactor(), 'f',3) ) );
int i = 0;
int id;
while ( ( id = scalePopupMenu->idAt( i++ )) >= 0 ) {
scalePopupMenu->setItemChecked ( id, false );
}
scalePopupMenu->setItemChecked ( scalePopupMenu->idAt ( (int)( scale()) ), true );
i = 0;
while ( ( id = timePopupMenu->idAt( i++ )) >= 0 ) {
timePopupMenu->setItemChecked ( id, false );
}
timePopupMenu->setItemChecked ( timePopupMenu->idAt ( (int)( hourFormat()) ), true );
i = 0;
while ( ( id = yearPopupMenu->idAt( i++ )) >= 0 ) {
yearPopupMenu->setItemChecked ( id, false );
}
yearPopupMenu->setItemChecked ( yearPopupMenu->idAt ( (int)( yearFormat()) ), true );
i = 0;
while ( ( id = gridPopupMenu->idAt( i++ )) >= 0 ) {
gridPopupMenu->setItemChecked ( id, false );
}
gridPopupMenu->setItemChecked ( gridPopupMenu->idAt ( 0 ), showMinorTicks() );
gridPopupMenu->setItemChecked ( gridPopupMenu->idAt ( 1 ), showMajorTicks() );
gridPopupMenu->setItemChecked ( gridPopupMenu->idAt ( 2 ),
!(showMajorTicks() || showMinorTicks()) );
}
TQString KDTimeHeaderWidget::getToolTipText(TQPoint p)
{
return KGlobal::locale()->formatDateTime(getDateTimeForIndex(p.x()));
}
void KDTimeHeaderWidget::addTickRight( int num )
{
int secs = ((num*getTickTime())-30);
setHorizonEnd(getDateTimeForIndex(width()).addSecs(secs));
//tqApp->processEvents();
}
void KDTimeHeaderWidget::addTickLeft( int num )
{
int secs = ((num*getTickTime())-30);
setHorizonStart(getDateTimeForIndex(0).addSecs(-secs));
//tqApp->processEvents();
}
// the time in secs of one minor grid tick
int KDTimeHeaderWidget::getTickTime()
{
return getDateTimeForIndex(0).secsTo(getDateTimeForIndex(myGridMinorWidth));
}
void KDTimeHeaderWidget::checkWidth( int wid )
{
// we have to set the minimum width one pixel higher than the
// viewport width of the canvas view in order to
// avoid that the horiz. scrollbar of the canvasview is hidden
myMinimumWidth = wid + 1;
if ( myMinimumWidth > width() ||
( myMinimumWidth > mySizeHint &&
myMinimumWidth < (width() - myGridMinorWidth )) )
computeTicks();
// Update (horizontal) scrollbar,
// We probably come from an external resize and then we must
// calculate on basis of myCanvasView.
// (NOTE: we have disconnected the auto TQScrollView scrollbar update)
if (myGanttView && myGanttView->myCanvasView)
myGanttView->myCanvasView->updateScrollBars();
}
bool KDTimeHeaderWidget::registerStartTime()
{
TQListViewItemIterator it( myGanttView->myListView );
if (!flagStartTimeSet) {
TQDateTime temp , time;
KDGanttViewItem* item;
bool setNewTime = false;
item = (KDGanttViewItem*)myGanttView->myListView->firstChild();
if ( item ) {
temp = item->startTime();
time = temp;
// while ( item != 0)
for ( ; it.current(); ++it ) {
item = ( KDGanttViewItem* )it.current();
if (item->isVisibleInGanttView) {
if ( !setNewTime )
temp = item->startTime();
switch( item->type() ) {
case KDGanttViewItem::Event:
time = ((KDGanttViewEventItem*)item)->leadTime();
setNewTime = true;
break;
case KDGanttViewItem::Summary:
case KDGanttViewItem::Task:
time = item->startTime();
setNewTime = true;
break;
default:
time = temp;
}
if ( time < temp) {
temp = time ;
}
}
}
if ( setNewTime )
if ( myHorizonStart != temp) {
myHorizonStart = temp;
computeTicks();
return true;
}
}
}
return false;
}
bool KDTimeHeaderWidget::registerEndTime()
{
if (!flagEndTimeSet) {
TQDateTime temp , time;
KDGanttViewItem* item;
bool setNewTime = false;
item = (KDGanttViewItem*)myGanttView->myListView->firstChild();
if ( item ) {
temp = item->startTime();
time = temp;
TQListViewItemIterator it( myGanttView->myListView );
for ( ; it.current(); ++it ) {
item = ( KDGanttViewItem* )it.current();
if (item->isVisibleInGanttView) {
if ( !setNewTime )
temp = item->startTime();
switch( item->type() ) {
case KDGanttViewItem::Event:
time = ((KDGanttViewEventItem*)item)->startTime();
setNewTime = true;
break;
case KDGanttViewItem::Summary:
time = item->endTime();
if ( time < ((KDGanttViewSummaryItem*)item)->actualEndTime())
time = ((KDGanttViewSummaryItem*)item)->actualEndTime();
setNewTime = true;
break;
case KDGanttViewItem::Task:
time = item->endTime();
setNewTime = true;
break;
default:
time = temp;
}
if ( time > temp)
temp = time ;
}
}
if ( setNewTime )
if (myHorizonEnd != temp ) {
myHorizonEnd = temp;
computeTicks();
return true;
}
}
}
return false;
}
void KDTimeHeaderWidget::setShowPopupMenu( bool show,
bool showZoom,
bool showScale,
bool showTime,
bool showYear,
bool showGrid,
bool showPrint)
{
flagShowPopupMenu = show;
flagShowZoom = showZoom;
flagShowScale = showScale;
flagShowTime = showTime;
flagShowYear = showYear;
flagShowGrid = showGrid;
flagShowPrint = showPrint;
}
bool KDTimeHeaderWidget::showPopupMenu() const
{
return flagShowPopupMenu;
}
void KDTimeHeaderWidget::setSettings(int i)
{
switch (i) {
case 1:
setScale(KDGanttView::Minute );
break;
case 2:
setScale(KDGanttView::Hour );
break;
case 3:
setScale(KDGanttView::Day );
break;
case 4:
setScale(KDGanttView::Week );
break;
case 5:
setScale(KDGanttView::Month );
break;
case 6:
setScale(KDGanttView::Auto );
break;
case 10:
setShowMinorTicks( true );
break;
case 11:
setShowMajorTicks( true );{
}
break;
case 12:
setShowMajorTicks( false );
setShowMinorTicks( false);
break;
case 20:
zoomToFit();
break;
case 21:
zoom(1.0);
break;
case 22:
zoom(2.0,false);
break;
case 23:
zoom(0.5,false);
break;
case 24:
zoom(6.0,false);
break;
case 25:
zoom(0.16666,false);
break;
case 26:
zoom(12.0,false);
break;
case 27:
zoom(0.08333,false);
break;
case 30:
myGanttView->print();
break;
case 40:
case 41:
case 42:
setHourFormat( (KDGanttView::HourFormat) (i - 40) );
break;
case 50:
case 51:
case 52:
case 53:
setYearFormat( (KDGanttView::YearFormat) ( i - 50) );
break;
case 60:
break;
case 61:
break;
case 62:
break;
case 63:
break;
case 64:
break;
}
// myGanttView->myTimeTable->updateMyContent();
}
void KDTimeHeaderWidget::zoomToFit()
{
flagZoomToFit = true;
computeTicks();
// Since we have disconnected autoupdate of scrollbars, we must do it ourselves
if (myGanttView && myGanttView->myCanvasView)
myGanttView->myCanvasView->updateScrollBars();
}
double KDTimeHeaderWidget::zoomFactor()
{
return myZoomFactor;
}
double KDTimeHeaderWidget::secsFromTo( TQDateTime begin, TQDateTime end )
{
TQDateTime temp;
double secs, days;
days = begin.daysTo(end);
temp = begin.addDays((int) days);
secs = temp.secsTo(end);
secs += days * 86400.0;
return secs;
}
void KDTimeHeaderWidget::zoomToSelection( TQDateTime start, TQDateTime end)
{
if (start < myHorizonStart) {
myHorizonStart = start;
flagStartTimeSet = true;
//tqDebug("myHorizonStart reset");
}
if (end > myHorizonEnd) {
myHorizonEnd = end;
flagEndTimeSet = true;
//tqDebug("myHorizonEnd reset ");
}
flagDoNotRepaintAfterChange = true;//avoid flicker
zoom(1.0); // set to 100%
int viewWid = myGanttView->myCanvasView->viewport()->width();
int timeWid = getCoordX(end)-getCoordX(start);
double fac;
fac = ( (double)viewWid)/((double) timeWid );
zoom (fac);
timeWid = getCoordX(end)-getCoordX(start);
int count = 0;
int lastScaleCount = 0;
while (timeWid >viewWid || ( ( myRealMinorScaleCount != lastScaleCount) && timeWid*2 < viewWid ) ) {
lastScaleCount = myRealMinorScaleCount;
fac = (fac * (double)viewWid)/(double)timeWid;
zoom (fac);
timeWid = getCoordX(end)-getCoordX(start);
if ( count++ > 10 ) {
//tqDebug("Exiting while loop in zoomToSelection ");
break;
}
}
flagDoNotRepaintAfterChange = false;
updateTimeTable();
repaint();
moveTimeLineTo((getCoordX(start)-(viewWid-timeWid)/2));
// Since we have disconnected autoupdate of scrollbars, we must do it ourselves
if (myGanttView && myGanttView->myCanvasView)
myGanttView->myCanvasView->updateScrollBars();
}
void KDTimeHeaderWidget::moveTimeLineTo(int X)
{
int Y = myGanttView->myCanvasView->contentsY ();
myGanttView->myCanvasView->setContentsPos (X, Y );
}
void KDTimeHeaderWidget::zoom(double factor, bool absolute)
{
flagZoomToFit = false;
if ( factor < 0.000001 ) {
tqDebug("KDGanttView::zoom() : Zoom factor to low. Nothing zoomed. ");
return;
}
double newZoom;
if (absolute)
newZoom = factor;
else
newZoom = myZoomFactor * factor;
double relativeZoom;
relativeZoom = newZoom / myZoomFactor;
//tqDebug("zooming relative %f ", relativeZoom);
//tqDebug("zooming absolute %f ", newZoom);
int viewWid = myGanttView->myCanvasView->viewport()->width();
if ( width() * relativeZoom < viewWid && ( newZoom > 1.01 || newZoom < 0.99 ) ) {
tqDebug("KDGanttView::zoom() : Zoom factor to low for current horizon. ");
// tqDebug("zooming relative %f, zooming absolute %f, viewWidth %d width %d ", relativeZoom, newZoom, viewWid, width() );
return;
}
myZoomFactor = newZoom;
computeTicks();
// Since we have disconnected autoupdate of scrollbars, we must do it ourselves
if (myGanttView && myGanttView->myCanvasView)
myGanttView->myCanvasView->updateScrollBars();
}
/*!
Sets the start of the horizon of the Gantt chart. If \a start is
null, the horizon start is computed automatically.
\param start the start of the horizon
\sa horizonStart()
*/
void KDTimeHeaderWidget::setHorizonStart( const TQDateTime& start )
{
myHorizonStart = start;
flagStartTimeSet = true;
computeTicks();
}
/*!
Returns the start of the horizon of the Gantt chart.
\return the start of the horizon of the Gantt chart
\sa setHorizonStart()
*/
TQDateTime KDTimeHeaderWidget::horizonStart() const
{
return myHorizonStart;
}
/*!
Sets the end of the horizon of the Gantt chart. If \a end is
null, the horizon end is computed automatically.
\param end the end of the horizon
\sa setHorizonEnd()
*/
void KDTimeHeaderWidget::setHorizonEnd( const TQDateTime& start )
{
myHorizonEnd = start;
flagEndTimeSet = true;
computeTicks();
}
/*!
Returns the end of the horizon of the Gantt chart.
\return the end of the horizon of the Gantt chart
\sa setHorizonEnd()
*/
TQDateTime KDTimeHeaderWidget::horizonEnd() const
{
return myHorizonEnd;
}
/*!
Configures the unit of the lower scale of the header. The higher
unit is computed automatically.
Resets the zoomng factor to 1 (i.e. 100%).
\param unit the unit of the lower scale of the header.
\sa scale()
*/
void KDTimeHeaderWidget::setScale(Scale unit )
{
myScale = unit;
myZoomFactor = 1.0;
computeTicks();
// Since we have disconnected autoupdate of scrollbars, we must do it ourselves
if (myGanttView && myGanttView->myCanvasView)
myGanttView->myCanvasView->updateScrollBars();
}
/*!
Returns the unit of the lower scale of the header.
\return the unit of the lower scale of the header.
\sa setScale()
*/
KDTimeHeaderWidget::Scale KDTimeHeaderWidget::scale() const
{
return myScale;
}
/*!
Sets the maximal allowed time scale of the lower scale of the header.
\param unit the unit of the lower scale of the header.
\sa scale()
*/
void KDTimeHeaderWidget::setMaximumScale( Scale unit )
{
myMaxScale = unit;
computeTicks();
}
/*!
Returns the maximal allowed time scale of the lower scale of the header.
\return the unit of the lower scale of the header.
\sa setScale()
*/
KDTimeHeaderWidget::Scale KDTimeHeaderWidget::maximumScale() const
{
return myMaxScale;
}
/*!
Sets the minimal allowed time scale of the lower scale of the header.
\param unit the unit of the lower scale of the header.
\sa scale()
*/
void KDTimeHeaderWidget::setMinimumScale( Scale unit )
{
myMinScale = unit;
computeTicks();
}
/*!
Returns the minimal allowed time scale of the lower scale of the header.
\return the unit of the lower scale of the header.
\sa setScale()
*/
KDTimeHeaderWidget::Scale KDTimeHeaderWidget::minimumScale() const
{
return myMinScale;
}
/*!
Sets the minimum width a column needs to have. If the size of the
Gantt chart and the scale would make it necessary to go below this
limit otherwise, the chart will automatically be made less exact.
\param width the minimum column width
\sa minimumColumnWidth()
*/
void KDTimeHeaderWidget::setMinimumColumnWidth( int width )
{
myMinimumColumWidth = width;
computeTicks();
}
/*!
Returns the minimum width a column needs to have.
\return the column minimum width
\sa setMinimumColumnWidth()
*/
int KDTimeHeaderWidget::minimumColumnWidth() const
{
return myMinimumColumWidth;
}
/*!
Specifies the format in which to display years. If no years are
shown, this method has no effect.
\param format the year format
\sa yearFormat(), setHourFormat(), hourFormat()
*/
void KDTimeHeaderWidget::setYearFormat( YearFormat format )
{
myYearFormat = format;
computeTicks();
}
/*!
Returns the format in which to display years.
\return the year format
\sa setYearFormat(), setHourFormat(), hourFormat()
*/
KDTimeHeaderWidget::YearFormat KDTimeHeaderWidget::yearFormat() const
{
return myYearFormat;
}
/*!
Specifies the format in which to display hours. If no hours are
shown, this method has no effect.
\param format the hour format
\sa hourFormat(), setYearFormat(), yearFormat()
*/
void KDTimeHeaderWidget::setHourFormat( HourFormat format )
{
myHourFormat = format;
computeTicks();
}
/*!
Returns the format in which to display hours.
\return the hour format
\sa setHourFormat(), setYearFormat(), yearFormat()
*/
KDTimeHeaderWidget::HourFormat KDTimeHeaderWidget::hourFormat() const
{
return myHourFormat;
}
/*!
Specifies whether ticks should be shown on the major scale.
\param show true in order to show ticks, false in order to hide them
\sa showMajorTicks(), setShowMinorTicks(), showMinorTicks()
*/
void KDTimeHeaderWidget::setShowMajorTicks( bool show )
{
flagShowMajorTicks = show;
if (show) {
setShowMinorTicks(false);
}
updateTimeTable();
}
/*!
Returns whether ticks are shown on the major scale.
\return true if ticks are shown on the major scale
\sa setShowMajorTicks(), setShowMinorTicks(), showMinorTicks()
*/
bool KDTimeHeaderWidget::showMajorTicks() const
{
return flagShowMajorTicks;
}
/*!
Specifies whether ticks should be shown on the minor scale.
\param show true in order to show ticks, false in order to hide them
\sa showMinorTicks(), setShowMajorTicks(), showMajorTicks()
*/
void KDTimeHeaderWidget::setShowMinorTicks( bool show )
{
flagShowMinorTicks = show;
if (show)
setShowMajorTicks(false );
//repaintMe();
updateTimeTable();
}
/*!
Returns whether ticks are shown on the minor scale.
\return true if ticks are shown on the minor scale
\sa setShowMinorTicks(), setShowMajorTicks(), showMajorTicks()
*/
bool KDTimeHeaderWidget::showMinorTicks() const
{
return flagShowMinorTicks;
}
/*!
Sets the background color for the column closest to \a column.
\param column the column to set the background color for
\param color the background color
\sa columnBackgroundColor(), setWeekendBackgroundColor(),
weekendBackgroundColor()
*/
void KDTimeHeaderWidget::setColumnBackgroundColor( const TQDateTime& column,
const TQColor& color,
Scale mini, Scale maxi )
{
ColumnColorList::iterator it;
for ( it = ccList.begin(); it != ccList.end(); ++it ) {
if ((*it).datetime == column) {
(*it).color = color;
(*it).minScaleView = mini;
(*it).maxScaleView = maxi;
return;
}
}
DateTimeColor newItem;
newItem.datetime = column;
newItem.color = color;
newItem.minScaleView = mini;
newItem.maxScaleView = maxi;
ccList.append(newItem);
updateTimeTable();
}
void KDTimeHeaderWidget::computeIntervals( int height )
{
IntervalColorList::iterator it;
int left, right;
for ( it = icList.begin(); it != icList.end(); ++it ) {
if ( (*it).minScaleView <= myRealScale && (*it).maxScaleView >= myRealScale ) {
left = getCoordX((*it).datetime);
right = getCoordX((*it).end);
if ( right == left )
++right;
(*it).canvasRect->setPen( Qt::NoPen );
(*it).canvasRect->setBrush( TQBrush( (*it).color, SolidPattern) );
(*it).canvasRect->setSize( right - left ,height );
(*it).canvasRect->move( left,0 );
(*it).canvasRect->show();
} else {
(*it).canvasRect->hide();
/*
(*it).canvasLine->setPen( TQPen( (*it).color, right - left ) );
(*it).canvasLine->setPoints( mid ,0 ,mid ,height );
(*it).canvasLine->show();
} else {
(*it).canvasLine->hide();
*/
}
}
}
bool KDTimeHeaderWidget::changeBackgroundInterval( const TQDateTime& oldstart,
const TQDateTime& oldend,
const TQDateTime& newstart,
const TQDateTime& newend )
{
IntervalColorList::iterator it;
for ( it = icList.begin(); it != icList.end(); ++it ) {
if ((*it).datetime == oldstart && (*it).end == oldend ) {
IntervalColorList::iterator it2;
for ( it2 = icList.begin(); it2 != icList.end(); ++it2 ) {
if ((*it2).datetime == newstart && (*it2).end == newend )
return false;
}
(*it).datetime = newstart;
(*it).end = newend;
updateTimeTable();
return true;
}
}
return false;
}
bool KDTimeHeaderWidget::deleteBackgroundInterval( const TQDateTime& start,
const TQDateTime& end)
{
IntervalColorList::iterator it;
for ( it = icList.begin(); it != icList.end(); ++it ) {
if ((*it).datetime == start && (*it).end == end ) {
//delete (*it).canvasLine;
delete (*it).canvasRect;
icList.remove(it);
updateTimeTable();
return true;
}
}
return false;
}
void KDTimeHeaderWidget::setIntervalBackgroundColor( const TQDateTime& start,
const TQDateTime& end,
const TQColor& color,
Scale mini ,
Scale maxi )
{
IntervalColorList::iterator it;
for ( it = icList.begin(); it != icList.end(); ++it ) {
if ((*it).datetime == start && (*it).end == end ) {
(*it).color = color;
(*it).minScaleView = mini;
(*it).maxScaleView = maxi;
return;
}
}
DateTimeColor newItem;
if ( start <= end ) {
newItem.datetime = start;
newItem.end = end;
} else {
newItem.datetime = end;
newItem.end = start;
}
newItem.color = color;
newItem.minScaleView = mini;
newItem.maxScaleView = maxi;
//newItem.canvasLine = new KDCanvasLine(myGanttView->myTimeTable,0,Type_is_KDGanttGridItem);
newItem.canvasRect = new KDCanvasRectangle(myGanttView->myTimeTable,0,Type_is_KDGanttGridItem);
newItem.canvasRect->setZ(-19);
icList.append(newItem);
updateTimeTable();
}
void KDTimeHeaderWidget::clearBackgroundColor()
{
IntervalColorList::iterator itic;
for ( itic = icList.begin(); itic != icList.end(); ++itic ) {
delete (*itic).canvasRect;
}
ccList.clear();
icList.clear();
updateTimeTable();
}
TQDateTime KDTimeHeaderWidget::getDateTimeForIndex(int X, bool local )
{
int coordX = X;
if ( !local ) {
TQPoint p = TQPoint ( X, 1 );
coordX = myGanttView->myTimeHeaderScroll->viewportToContents(myGanttView->myTimeHeaderScroll->mapFromGlobal( p )).x();
}
double secs = (secsFromTo( myRealStart, myRealEnd ) * ((double)coordX))/(double)width();
double days = secs/86400.0;
secs = secs - ( ((int) days) *86400.0 );
return (myRealStart.addDays ( (int) days )).addSecs( (int) secs);
}
//FIXME: This doesn't work quite intuitively (imho) when scale is day
// and each column containes more than 1 day:
// 1) If a column includes a weekend day, the whole column gets weekend color,
// 2) If a column includes 7 days, either *all* columns get weekend color, or
// *none* get weekend color (haven't figured out why)
// Proposal: Only use weekend color if the whole column is a weekend.
// Alt: Color the area that actually is the weekend.
bool KDTimeHeaderWidget::getColumnColor(TQColor& col,int coordLow, int coordHigh)
{
if (!flagShowMajorTicks && !flagShowMinorTicks)
return false;
TQDateTime start,end;
start = getDateTimeForIndex(coordLow);
end = getDateTimeForIndex(coordHigh).addSecs(-1);
Scale tempScale = myRealScale;
if (flagShowMajorTicks)
switch (myRealScale)
{
case KDGanttView::Minute: tempScale = KDGanttView::Hour; break;
case KDGanttView::Hour: tempScale = KDGanttView::Day ; break;
case KDGanttView::Day: tempScale = KDGanttView::Week ; break;
case KDGanttView::Week: tempScale = KDGanttView::Month ; break;
case KDGanttView::Month: return false ; break;
case KDGanttView::Auto: return false ; break;
}
//check defined column color
ColumnColorList::iterator it;
for ( it = ccList.begin(); it != ccList.end(); ++it ) {
if ((*it).datetime >= start && (*it).datetime <= end) {
if (tempScale >= (*it).minScaleView && tempScale <= (*it).maxScaleView ) {
col = (*it).color;
return true;
}
}
}
if (tempScale > KDGanttView::Day) return false;
start = getDateTimeForIndex((coordLow+coordHigh)/2);
int day = start.date().dayOfWeek ();
//checkweekdaycolor
if (weekdayColor[day] != TQt::white) {
col = weekdayColor[day];
return true;
}
//checkweekendcolor
int endday = myWeekendDaysEnd;
col = myWeekendBackgroundColor;
if (myWeekendDaysStart > myWeekendDaysEnd)
endday +=7;
if (day >= myWeekendDaysStart && day <= endday) {
return true;
} else {
if (day+7 >= myWeekendDaysStart && day+7 <= endday) {
return true;
}
}
return false;
}
/*!
Returns the background color for the column closes to \a column.
\param column the column to query the background color for
\return the background color of the specified column
\sa setColumnBackgroundColor(), setWeekendBackgroundColor(),
weekendBackgroundColor()
*/
TQColor KDTimeHeaderWidget::columnBackgroundColor( const TQDateTime& column ) const
{
TQColor c;
c = white;
ColumnColorList::const_iterator ite;
for ( ite = ccList.begin(); ite != ccList.end(); ++ite ) {
if ((*ite).datetime == column) {
c = (*ite).color;
}
}
return c;
}
/*!
Specifies the background color for weekend days. If no individual
days are visible on the Gantt chart, this method has no visible
effect.
\param color the background color to use for weekend days.
\sa weekendBackgroundColor(), setWeekendDays(), weekendDays()
*/
void KDTimeHeaderWidget::setWeekendBackgroundColor( const TQColor& color )
{
myWeekendBackgroundColor = color ;
updateTimeTable();
}
/*!
Returns the background color for weekend days.
\return the background color for weekend days
\sa setWeekendBackgroundColor(), setWeekendDays(), weekendDays()
*/
TQColor KDTimeHeaderWidget::weekendBackgroundColor() const
{
return myWeekendBackgroundColor;
}
/*!
Specifies the background color for week days. If no individual
days are visible on the Gantt chart, this method has no visible
effect. The days are specified as an interval of integer values
where 1 means Monday and 7 means Sunday.
\param color the background color to use for weekend days.
\param weekday the day of the week (Monday = 1, Sunday = 7)
\sa weekendBackgroundColor(), setWeekendDays(), weekendDays()
*/
void KDTimeHeaderWidget::setWeekdayBackgroundColor( const TQColor& color, int weekday )
{
weekdayColor[weekday] = color;
updateTimeTable();
}
/*!
Returns the background color for weekday days.
\param the day of the week (Monday = 1, Sunday = 7)
\return the background color for weekend days
\sa setWeekendBackgroundColor(), setWeekendDays(), weekendDays()
*/
TQColor KDTimeHeaderWidget::weekdayBackgroundColor(int weekday) const
{
return weekdayColor[weekday];
}
/*!
Defines which days are considered weekends. The days are specified
as an interval of integer values where 1 means Monday and 7 means
Sunday. In order to define a weekend from Sunday to Monday, specify
(7,1).
\param start the first day of the weekend
\param end the last day of the weekend
\sa weekendDays(), setWeekendBackgroundColor(), weekendBackgroundColor()
*/
void KDTimeHeaderWidget::setWeekendDays( int start, int end )
{
myWeekendDaysStart = start;
myWeekendDaysEnd = end;
updateTimeTable();
}
/*!
Returns which days are considered weekends.
\param start in this parameter, the first day of the weekend is returned
\param end in this parameter, the end day of the weekend is returned
\sa setWeekendDays(), setWeekendBackgroundColor(), weekendBackgroundColor()
*/
void KDTimeHeaderWidget::weekendDays( int& start, int& end ) const
{
start = myWeekendDaysStart;
end = myWeekendDaysEnd ;
}
/*!
Sets the number of ticks in the major scale.
\param count the number of ticks in the major scale
\sa majorScaleCount(), setMinorScaleCount(), minorScaleCount()
*/
void KDTimeHeaderWidget::setMajorScaleCount( int count )
{
myMajorScaleCount=count;
computeTicks();
}
/*!
Returns the number of ticks per unit in the major scale.
\return the number of ticks in the major scale
\sa setMajorScaleCount(), setMinorScaleCount(), minorScaleCount()
*/
int KDTimeHeaderWidget::majorScaleCount() const
{
return myMajorScaleCount;
}
/*!
Sets the number of ticks in the minor scale.
\param count the number of ticks in the minor scale
\sa minorScaleCount, setMajorScaleCount, majorScaleCount()
*/
void KDTimeHeaderWidget::setMinorScaleCount( int count )
{
myMinorScaleCount = count;
computeTicks();
}
/*!
Returns the number of ticks per unit in the minor scale.
\return the number of ticks in the minor scale
\sa setMinorScaleCount(), setMajorScaleCount(), majorScaleCount()
*/
int KDTimeHeaderWidget::minorScaleCount() const
{
return myMinorScaleCount ;
}
void KDTimeHeaderWidget::resizeEvent ( TQResizeEvent * )
{
// tqDebug("KDTimeHeaderWidget:: resizeEvent ");
paintPix.resize( 800, height () );
}
void KDTimeHeaderWidget::updateTimeTable()
{
//tqDebug("KDTimeHeaderWidget::updateTimeTable() ");
if (flagDoNotRecomputeAfterChange) return;
// setting the scrolling steps
int scrollLineStep = myGridMinorWidth;
if (showMajorTicks()) {
TQValueList<int>::iterator intIt = majorTicks.begin();
scrollLineStep = 5 * myGridMinorWidth;
if (intIt != majorTicks.end()) {
int left = *intIt;
++intIt;
if (intIt != majorTicks.end()) {
scrollLineStep = *intIt-left;
}
}
}
myGanttView->myCanvasView->horizontalScrollBar()->setLineStep(scrollLineStep);
myGanttView->myTimeTable->maximumComputedGridHeight = 0;
myGanttView->myTimeTable->updateMyContent();
}
void KDTimeHeaderWidget::setAutoScaleMinorTickCount( int count )
{
myAutoScaleMinorTickcount = count;
computeTicks();
}
int KDTimeHeaderWidget::autoScaleMinorTickCount()
{
return myAutoScaleMinorTickcount;
}
void KDTimeHeaderWidget::repaintMe(int left,int paintwid, TQPainter* painter)
{
if (flagDoNotRecomputeAfterChange) return;
TQColorGroup qcg =TQColorGroup( white, black,white, darkGray,black,gray,gray) ;
TQPainter* p;
int offsetLeft = 0;
if ( paintwid > paintPix.width()-100 )
paintPix.resize( paintwid+100, height () );
if ( painter )
p = painter;
else {
p = new TQPainter( &paintPix );
offsetLeft = left-50;
}
if ( mouseDown ) {
p->fillRect( left-offsetLeft, 0, paintwid, height(), TQBrush(paletteBackgroundColor()) );
int start ;
int wid;
if ( beginMouseDown < endMouseDown ) {
start = beginMouseDown ;
wid = endMouseDown - beginMouseDown ;
} else {
start = endMouseDown ;
wid = -endMouseDown + beginMouseDown ;
}
p->fillRect( start-offsetLeft, 0, wid, height(), TQBrush(paletteBackgroundColor().dark()) );
} else {
if (! painter )
p->fillRect( left-offsetLeft, 0, paintwid, height(), TQBrush(paletteBackgroundColor()) );
}
p->setPen(TQColor(40,40,40));
TQFont tempFont = p->font();
tempFont.setWeight(63);
p->setFont(tempFont);
int hei1 = myMajorGridHeight,
hei2 = height(),
wid1 = myGridMinorWidth;
int xCoord;
int lwid = 1;
TQValueList<TQString>::iterator it;
TQValueList<int>::iterator intIt = majorTicks.begin();
for ( it = majorText.begin(); it != majorText.end(); ++it ) {
xCoord = (*intIt++);
if (((*intIt)>= left && xCoord <= left+paintwid)) {
qDrawShadeLine ( p,xCoord-offsetLeft ,hei1+1, xCoord-offsetLeft, -2, qcg, true, lwid, 1 );
p->drawText(xCoord+4-offsetLeft,hei1-4,(*it));
}
}
qDrawShadeLine ( p,left-offsetLeft ,hei1, left+paintwid-offsetLeft, hei1, qcg, true, lwid, 1 );
int i = 0;
for ( it = minorText.begin(); it != minorText.end(); ++it ) {
if (i*wid1 >= left-wid1 && i*wid1 <= left+paintwid) {
qDrawShadeLine ( p,i*wid1-offsetLeft ,hei1-1, i*wid1-offsetLeft, hei2, qcg, true, lwid, 1 );
p->drawText(i*wid1+1-offsetLeft,hei1+1,wid1-1,hei2-hei1,TQt::AlignCenter,(*it));
}
++i;
}
p->setPen(black);
p->drawLine(left-offsetLeft,hei1,left+paintwid-offsetLeft,hei1);
qDrawShadeLine ( p,left-offsetLeft ,hei2-1, left+paintwid-offsetLeft, hei2-1, qcg, true, lwid, 1 );
p->drawLine(left-offsetLeft,hei2-1,left+paintwid-offsetLeft,hei2-1);
if ( !painter ) {
p->end();
delete p;
bitBlt ( this, left, 0, &paintPix, 50, 0, paintwid, height() );
}
}
// cuts the secs in the DateTime if scale is Minute ,
// the minutes and secs if scale is Hour and so on
TQDateTime KDTimeHeaderWidget::getEvenTimeDate(TQDateTime tempdatetime ,Scale sc)
{
TQDate tempdate;
int min, hour;
int tempMinorScaleCount = myRealMinorScaleCount;
switch (sc)
{
case KDGanttView::Month:
tempdate = tempdatetime.date();
while (tempdate.day ()!= 1 )
tempdate = tempdate.addDays(-1);
//while (tempdate.month ()!= 1 )
//tempdate = tempdate.addMonths(-1);
tempdatetime = TQDateTime (tempdate, TQTime (0,0));
break;
case KDGanttView::Week:
tempdate = tempdatetime.date();
while (tempdate.dayOfWeek ()!= KGlobal::locale()->weekStartDay())
tempdate = tempdate.addDays(-1);
//tempdate = tempdate.addDays(-7);
tempdatetime = TQDateTime (tempdate, TQTime (0,0));
break;
case KDGanttView::Day:
tempdatetime = TQDateTime (tempdatetime.date(), TQTime ( 0,0 ) );
break;
case KDGanttView::Hour:
hour = tempdatetime.time().hour();
while (24%tempMinorScaleCount > 0 && 24%tempMinorScaleCount < 24)
++tempMinorScaleCount;
hour = ( hour /tempMinorScaleCount)*tempMinorScaleCount;
tempdatetime = TQDateTime (tempdatetime.date(), TQTime (hour, 0 ));
break;
case KDGanttView::Minute:
min = tempdatetime.time().minute();
while (60%tempMinorScaleCount > 0 && 60%tempMinorScaleCount < 60)
++tempMinorScaleCount;
// tqDebug("myMinorScaleCount %d %d %d",myMinorScaleCount, myRealMinorScaleCount, tempMinorScaleCount);
min = (min /tempMinorScaleCount)*tempMinorScaleCount;
tempdatetime = TQDateTime (tempdatetime.date(), TQTime (tempdatetime.time().hour(),min ));
break;
case KDGanttView::Auto:
break;
}
return tempdatetime;
}
void KDTimeHeaderWidget::computeRealScale(TQDateTime start)
{
if (myScale ==KDGanttView::Auto) {
//tqDebug("Autoscale ");
//double secsPerMinor = (((double)start.daysTo(myHorizonEnd))* 86400.00)/((double)myAutoScaleMinorTickcount);
double secsPerMinor = (((double)start.secsTo(myHorizonEnd)))/((double)myAutoScaleMinorTickcount);
secsPerMinor /= myZoomFactor;
if (secsPerMinor <= 1800) {
myRealScale = KDGanttView::Minute;
myRealMinorScaleCount = (int) secsPerMinor/60;
} else {
if (secsPerMinor <= 12*3600) {
myRealScale = KDGanttView::Hour;
myRealMinorScaleCount = (int) secsPerMinor/3600;
} else {
if (secsPerMinor <= 24*3600*3) {
myRealScale = KDGanttView::Day;
myRealMinorScaleCount = (int) secsPerMinor/(3600*24);
} else {
if (secsPerMinor <= 24*3600*14) {
myRealScale = KDGanttView::Week;
myRealMinorScaleCount = (int) secsPerMinor/(3600*24*7);
} else {
myRealScale = KDGanttView::Month;
myRealMinorScaleCount = (int) secsPerMinor/(3600*24*30);
}
}
}
}
if(myRealMinorScaleCount == 0)
myRealMinorScaleCount = 1;
myRealMajorScaleCount = 1;
}
else {
//tqDebug("Fixed scale ");
myRealScale = myScale;
if (myRealScale > myMaxScale)
myRealScale = myMaxScale;
if (myRealScale < myMinScale)
myRealScale = myMinScale;
myRealMinorScaleCount = (int) ( ((double)myMinorScaleCount) /myZoomFactor );
double tempZoom = myZoomFactor;
myRealMajorScaleCount = myMajorScaleCount;
while (myRealMinorScaleCount == 0) {
if (myRealScale == myMinScale) {
myRealMinorScaleCount = 1;
break;
}
switch (myRealScale)
{
case KDGanttView::Minute:
myRealMinorScaleCount = 1;
return;
break;
case KDGanttView::Hour:
myRealScale = KDGanttView::Minute;
tempZoom = tempZoom/60;
break;
case KDGanttView::Day:
myRealScale = KDGanttView::Hour;
tempZoom = tempZoom/24;
break;
case KDGanttView::Week:
myRealScale = KDGanttView::Day;
tempZoom = tempZoom/7;
break;
case KDGanttView::Month:
myRealScale = KDGanttView::Week ;
tempZoom = tempZoom*7/30;
break;
case KDGanttView::Auto:
break;
}
myRealMinorScaleCount = (int) ( myMinorScaleCount /tempZoom );
}
}
}
void KDTimeHeaderWidget::computeTicks(bool doNotComputeRealScale)
{
if (flagDoNotRecomputeAfterChange) return;
bool block = myGanttView->myTimeTable->blockUpdating();
myGanttView->myTimeTable->setBlockUpdating( true );
//tqDebug("computeticks ");
majorTicks.clear();
minorText.clear();
majorText.clear();
if ( !doNotComputeRealScale )
saveCenterDateTime();
if (!doNotComputeRealScale)
computeRealScale(myHorizonStart);
myRealStart = getEvenTimeDate(myHorizonStart ,myRealScale);
if (!doNotComputeRealScale)
computeRealScale(myRealStart);
int tempMinorScaleCount = myRealMinorScaleCount,
tempMajorScaleCount = myRealMajorScaleCount;
int minorItems,minorPerMajor = 1;
minorItems = (int) (secsFromTo( myRealStart, myHorizonEnd)/60.0);
//tqDebug("tempMinorScaleCount %d ", tempMinorScaleCount);
TQPainter p(this);
int Width, Height;
TQString testTextMinor,testTextMajor, tempStr;
TQRect itemRectMinor, itemRectMajor;
TQDate tempDate = myRealStart.date();
myRealEnd = myRealStart;
// preparing the testtext for the differennt scales
switch (myRealScale)
{
// the x in testTextMajor is added to reserve a little bit more space
case KDGanttView::Minute:
testTextMinor = "60";
if (myHourFormat == KDGanttView::Hour_12)
testTextMajor = "Mon Aug 30, 12 AMx";
else
testTextMajor = "Mon Aug 30, 24:00x";
minorPerMajor = 6000;
break;
case KDGanttView::Hour:
minorItems = minorItems/60;
if (myHourFormat == KDGanttView::Hour_24)
testTextMinor = "24x";
else
testTextMinor = "12 AM";
testTextMajor = "Mon Aug 30, x";
if ( yearFormat() != KDGanttView::NoDate )
testTextMajor += getYear(TQDate::currentDate());
minorPerMajor = 2400;
break;
case KDGanttView::Day:
minorItems = minorItems/(60*24);
testTextMinor = "88";
testTextMajor = "Aug 30, x"+getYear(TQDate::currentDate());
minorPerMajor = 700;
break;
case KDGanttView::Week:
minorItems = minorItems/(60*24*7);
testTextMinor = "88";
testTextMajor = "Aug x"+getYear(TQDate::currentDate());
minorPerMajor = 435; // 435 = 365days/12months/7days * 100
break;
case KDGanttView::Month:
minorItems = (minorItems*12)/(60*24*365);
testTextMinor = "M";
testTextMajor = "x"+getYear(TQDate::currentDate());
minorPerMajor = 1200;
break;
case KDGanttView::Auto:
tqDebug("KDGanttView::Internal Error in KDTimeHeaderWidget::computeTicks() ");
tqDebug(" RealScale == Auto : This may not be! ");
break;
}
itemRectMinor = p.boundingRect ( 10, 10, 2, 2, TQt::AlignLeft,testTextMinor);
itemRectMajor = p.boundingRect ( 10, 10, 2, 2, TQt::AlignLeft,testTextMajor);
p.end();
//tqDebug(" tempMinorScaleCount %d ", tempMinorScaleCount);
Height = itemRectMinor.height()+itemRectMajor.height()+11;
Width = (itemRectMinor.width()+5);
if (Width < minimumColumnWidth()) Width = minimumColumnWidth();
// if the desired width is greater than the maximum width of this widget
// increase the minorscalecount
int maxWid = myGanttView->myCanvasView->viewport()->width();
if (!flagZoomToFit)
maxWid = maximumWidth();
while((minorItems/tempMinorScaleCount+1)*Width > maxWid)
++tempMinorScaleCount;
//tqDebug(" tempMinorScaleCount %d ", tempMinorScaleCount);
mySizeHint = (minorItems/tempMinorScaleCount+1)*Width;
switch (myRealScale)
{
case KDGanttView::Minute:
if (tempMinorScaleCount < 60)
while (60%tempMinorScaleCount > 0 && 60%tempMinorScaleCount < 60)
++tempMinorScaleCount;
if (tempMinorScaleCount >= 60) {
myRealScale = KDGanttView::Hour;
myRealMinorScaleCount = tempMinorScaleCount/ 60;
// myRealMinorScaleCount = 1;
myRealMajorScaleCount = 1;
tqDebug("KDGantt::Overzoom:Rescaling from Minute to Hour");
myGanttView->myTimeTable->setBlockUpdating( block );
emit myGanttView->rescaling( KDGanttView::Hour );
computeTicks(true);
return;
}
break;
case KDGanttView::Hour:
while (24%tempMinorScaleCount > 0 && 24%tempMinorScaleCount < 24)
++tempMinorScaleCount;
if (tempMinorScaleCount >= 24) {
myRealScale = KDGanttView::Day;
myRealMinorScaleCount = tempMinorScaleCount/ 24;
//myRealMinorScaleCount = 1;
myRealMajorScaleCount = 1;
tqDebug("KDGantt::Overzoom:Rescaling from Hour to Day");
myGanttView->myTimeTable->setBlockUpdating( block );
emit myGanttView->rescaling( KDGanttView::Day );
computeTicks(true);
return;
}
break;
default:
break;
}
//flagZoomToFit = false;
while((minorItems/tempMinorScaleCount+1)*Width < myMinimumWidth ) {
++minorItems;
}
minorItems = (minorItems/tempMinorScaleCount)+1;
// if not enough space for the text of the major scale, increase majorscalecount
minorPerMajor = (minorPerMajor*tempMajorScaleCount)/tempMinorScaleCount;
// checking, if enough space for majorscale
// if not, increasing MajorScaleCount
while ((minorPerMajor*Width)/100 < itemRectMajor.width()) {
minorPerMajor = minorPerMajor/tempMajorScaleCount;
++tempMajorScaleCount;
minorPerMajor = minorPerMajor*tempMajorScaleCount;
}
// now we have the fixed width of the minorscale computed
myGridMinorWidth = Width;
// the width of this widget is the gridwidth * the amount of items
Width *= minorItems;
// if size changed, reset geometry
if (width() != Width || height() != Height )
{
resize( Width, Height );
emit sizeChanged( Width );
}
myMajorGridHeight = itemRectMajor.height()+5;
TQTime tempTime = myRealStart.time();
TQDateTime tempDateTime;
int i;
const KCalendarSystem * calendar = KGlobal::locale()->calendar();
switch (myRealScale)
{
case KDGanttView::Minute:
myRealEnd = myRealEnd.addSecs((minorItems)*tempMinorScaleCount*60);
for ( i = 0; i < minorItems;++i) {
tempStr.setNum(tempTime.minute());
minorText.append(tempStr);
tempTime = tempTime.addSecs(60*tempMinorScaleCount);
}
tempDateTime = myRealStart;
while (tempDateTime.time().minute() != 0)
tempDateTime = tempDateTime.addSecs(60);
while (tempDateTime < myRealEnd) {
majorTicks.append( getCoordX(tempDateTime));
tempStr.setNum(tempDateTime.date().day());
if ( yearFormat() == KDGanttView::NoDate ) {
tempStr = calendar->weekDayName( tempDateTime.date() )+", "
+getHour(tempDateTime.time());
} else {
tempStr = calendar->weekDayName( tempDateTime.date(), true )+" "+
calendar->monthName( tempDateTime.date().month(), tempDateTime.date().year(), true)+ " "+
tempStr+", "+getHour(tempDateTime.time());
}
majorText.append(tempStr);
tempDateTime = tempDateTime.addSecs(3600*tempMajorScaleCount);
}
majorTicks.append( getCoordX(tempDateTime));
break;
case KDGanttView::Hour:
myRealEnd = myRealEnd.addSecs(minorItems*tempMinorScaleCount*60*60);
for ( i = 0; i < minorItems;++i) {
tempStr = getHour(tempTime);
minorText.append(tempStr);
tempTime = tempTime.addSecs(3600*tempMinorScaleCount);
}
tempDateTime = myRealStart;
while (tempDateTime.time().hour() != 0)
tempDateTime = tempDateTime.addSecs(3600);
while (tempDateTime < myRealEnd) {
majorTicks.append( getCoordX(tempDateTime));
tempStr.setNum(tempDateTime.date().day());
if ( yearFormat() == KDGanttView::NoDate ) {
tempStr = calendar->weekDayName( tempDateTime.date() );
} else {
tempStr = calendar->weekDayName( tempDateTime.date(), true )+" "+
calendar->monthName( tempDateTime.date().month(), tempDateTime.date().year(), true)+ " "+
tempStr+", "+getYear(tempDateTime.date());
}
majorText.append(tempStr);
tempDateTime = tempDateTime.addDays(tempMajorScaleCount);
}
majorTicks.append( getCoordX(tempDateTime));
break;
case KDGanttView::Day:
myRealEnd = myRealEnd.addDays(minorItems*tempMinorScaleCount);
for ( i = 0; i < minorItems;++i) {
if (tempMinorScaleCount == 1)
minorText.append((calendar->weekDayName(tempDate, true)).left(1)); //TODO: BIDI
else
minorText.append(TQString::number(tempDate.day()));
tempDate = tempDate.addDays(tempMinorScaleCount);
}
tempDate = myRealStart.date();
while (tempDate.dayOfWeek() != KGlobal::locale()->weekStartDay())
tempDate = tempDate.addDays(1);
while (tempDate < myRealEnd.date()) {
majorTicks.append( getCoordX(tempDate));
tempStr.setNum(tempDate.day());
tempStr = calendar->monthName(tempDate.month(), tempDate.year(), true)+ " "+
tempStr+", "+getYear(tempDate);
majorText.append(tempStr);
tempDate = tempDate.addDays(7*tempMajorScaleCount);
}
majorTicks.append( getCoordX(tempDate));
break;
case KDGanttView::Week:
myRealEnd = myRealEnd.addDays(minorItems*tempMinorScaleCount*7);
for ( i = 0; i < minorItems;++i) {
tempStr.setNum(tempDate.day());
minorText.append(tempStr);
tempDate = tempDate.addDays(7*tempMinorScaleCount);
}
tempDate = myRealStart.date();
while (tempDate.day() != KGlobal::locale()->weekStartDay())
tempDate = tempDate.addDays(1);
while (tempDate < myRealEnd.date()) {
majorTicks.append( getCoordX(tempDate));
tempStr = calendar->monthName(tempDate.month(), tempDate.year(), true)+ " "+getYear(tempDate);
majorText.append(tempStr);
tempDate = tempDate.addMonths(tempMajorScaleCount);
}
majorTicks.append( getCoordX(tempDate));
break;
case KDGanttView::Month:
myRealEnd = myRealEnd.addMonths(minorItems*tempMinorScaleCount);
for ( i = 0; i < minorItems;++i) {
minorText.append((calendar->monthName(tempDate.month(), tempDate.year(), true)).left(1)); //TODO: BIDI
tempDate = tempDate.addMonths(tempMinorScaleCount);
}
tempDate = myRealStart.date();
while (tempDate.month() != 1)
tempDate = tempDate.addMonths(1);
while (tempDate < myRealEnd.date()) {
majorTicks.append( getCoordX(tempDate));
tempStr = getYear(tempDate);
majorText.append(tempStr);
tempDate = tempDate.addYears(tempMajorScaleCount);
}
majorTicks.append( getCoordX(tempDate));
break;
case KDGanttView::Auto:
break;
}
if (flagDoNotRepaintAfterChange) {
myGanttView->myTimeTable->setBlockUpdating( block );
return;
}
//tqDebug("KDTimeHeaderWidget width %d, viewport width %d ",width (), myGanttView->myCanvasView->viewport()->width());
myGanttView->myTimeTable->setBlockUpdating( block );
updateTimeTable();
centerDateTime(myCenterDateTime);
repaint();
}
void KDTimeHeaderWidget::saveCenterDateTime()
{
double wid = width();
double allsecs = secsFromTo( myRealStart, myRealEnd );
double center = myGanttView->myCanvasView->viewport()->width();
center = center / 2;
center = center + myGanttView->myCanvasView->contentsX();
double secs = (allsecs*center)/wid;
double days = secs/86400.0;
secs = secs - ( (int) days *86400.0 );
myCenterDateTime = (myRealStart.addDays ( (int) days )).addSecs( (int) secs);
}
void KDTimeHeaderWidget::centerDateTime( const TQDateTime& center )
{
moveTimeLineTo(getCoordX( center )-(myGanttView->myCanvasView->viewport()->width() /2));
// tqDebug("centerDateTime %s %d %d", center.toString().latin1(),getCoordX( center ),(myGanttView->myCanvasView->viewport()->width() /2) );
}
void KDTimeHeaderWidget::paintEvent(TQPaintEvent *p)
{
repaintMe(p->rect().x(),p->rect().width());
}
int KDTimeHeaderWidget::getCoordX(TQDate date)
{
int wid = width();
int daysAll = myRealStart.daysTo(myRealEnd);
if (daysAll == 0) return 0;
int days = myRealStart.daysTo(TQDateTime(date));
return (wid *days) /daysAll;
}
int KDTimeHeaderWidget::getCoordX(TQDateTime datetime)
{
double wid = width();
double secsAll = secsFromTo( myRealStart, myRealEnd );
if (secsAll == 0.0) return 0;
double secs = secsFromTo( myRealStart, datetime);
return ((int)((wid *(secs /secsAll))+0.5));
}
TQString KDTimeHeaderWidget::getYear(TQDate date)
{
TQString ret;
ret.setNum(date.year());
switch (yearFormat()) {
case KDGanttView::FourDigit:
// nothing to do
break;
case KDGanttView::TwoDigit:
ret = ret.right(2);
break;
case KDGanttView::TwoDigitApostrophe:
ret = "'"+ret.right(2);
break;
case KDGanttView::NoDate:
// nothing to do
break;
}
return ret;
}
TQString KDTimeHeaderWidget::getHour(TQTime time)
{
TQString ret;
int hour = time.hour();
if (myHourFormat == KDGanttView::Hour_12) {
if (hour >= 12) {
if (hour > 12) hour -=12;
ret.setNum(hour);
ret = ret +" PM";
} else {
if (hour == 0) hour = 12;
ret.setNum(hour);
ret = ret +" AM";
}
} else {
if (myHourFormat == KDGanttView::Hour_24)
ret.setNum(hour);
else {
ret.setNum(hour);
ret += ":00";
}
}
return ret;
}
void KDTimeHeaderWidget::mousePressEvent ( TQMouseEvent * e )
{
mouseDown = false;
switch ( e->button() ) {
case Qt::LeftButton:
mouseDown = true;
beginMouseDown = e->pos().x();
endMouseDown = e->pos().x();
break;
case Qt::RightButton:
if (flagShowPopupMenu)
myPopupMenu->popup(e->globalPos());
break;
case Qt::MidButton:
break;
default:
break;
}
}
void KDTimeHeaderWidget::mouseReleaseEvent ( TQMouseEvent * )
{
if ( mouseDown ) {
mouseDown = false;
// zoom to selection getDateTimeForIndex(
int start, end;
if ( beginMouseDown < endMouseDown ) {
start = beginMouseDown;
end = endMouseDown;
} else {
start = endMouseDown;
end = beginMouseDown;
}
if (start < 0 )
start = 0;
if ( end > width() )
end = width();
//tqDebug("start %s ",getDateTimeForIndex(start).toString().latin1() );
//tqDebug("end %s ",getDateTimeForIndex(end).toString().latin1() );
emit myGanttView->timeIntervalSelected( getDateTimeForIndex(start),getDateTimeForIndex(end) );
emit myGanttView->timeIntervallSelected( getDateTimeForIndex(start),getDateTimeForIndex(end) );
//zoomToSelection( getDateTimeForIndex(start),getDateTimeForIndex(end) );
}
mouseDown = false;
repaint();
}
void KDTimeHeaderWidget::mouseDoubleClickEvent ( TQMouseEvent * )
{
}
void KDTimeHeaderWidget::mouseMoveEvent ( TQMouseEvent * e )
{
if ( mouseDown ) {
if ( e->pos().y() < -height() || e->pos().y() > 2* height() ) {
mouseDown = false;
repaint();
return;
}
endMouseDown = e->pos().x();
//repaint;
int val = -1;
if (endMouseDown < -x() ) {
val = myGanttView->myCanvasView->horizontalScrollBar()->value() -
myGanttView->myCanvasView->horizontalScrollBar()->lineStep();
if ( val < 0 ) {
val = 0;
}
}
if (endMouseDown > -x() +parentWidget()->width() ) {
val = myGanttView->myCanvasView->horizontalScrollBar()->value() +
myGanttView->myCanvasView->horizontalScrollBar()->lineStep();
}
repaintMe(-x(),parentWidget()->width());
if ( val > -1 ) {
if ( val > myGanttView->myCanvasView->horizontalScrollBar()->maxValue() ) {
val = myGanttView->myCanvasView->horizontalScrollBar()->maxValue();
}
myGanttView->myCanvasView->horizontalScrollBar()->setValue( val );
}
//tqDebug("mousemove %d %d %d %d",endMouseDown, -x(),parentWidget()->width() , e->pos().y());
}
}
/* ***************************************************************
KDLegendWidget:: KDLegendWidget
***************************************************************** */
KDLegendWidget:: KDLegendWidget( TQWidget* parent,
KDGanttMinimizeSplitter* legendParent ) :
KDGanttSemiSizingControl ( KDGanttSemiSizingControl::Before,Qt::Vertical,
parent)
{
myLegendParent = legendParent;
dock = 0;
scroll = new TQScrollView( legendParent );
setMaximizedWidget( scroll );
setMinimizedWidget( myLabel = new TQLabel( i18n( " Legend is hidden" ), this) );
setGeometry( 0, 0, 50, 50 );
myLegend = 0;
clearLegend();
showMe ( false );
}
void KDLegendWidget::setAsDoctwindow( bool dockwin )
{
if ( (dock == 0 && !dockwin) || ( dock && dockwin ) )
return;
if ( dockwin )
{
setMaximizedWidget( 0 );
showMe ( false );
if ( dock ) delete dock;
dock = new TQDockWindow(TQDockWindow:: OutsideDock,0 );
dock->resize( 200, 100 );
dock->setHorizontallyStretchable( true );
dock->setVerticallyStretchable( true );
dock->setCaption(i18n("Legend: ") );
dock->setResizeEnabled (true );
delete myLegend;
myLegend = 0;
delete scroll;
scroll = new TQScrollView( dock );
clearLegend();
dock->setWidget(scroll);
setMaximizedWidget( dock );
showMe ( false );
} else {
setMaximizedWidget( 0 );
showMe ( false );
delete myLegend;
myLegend = 0;
delete scroll;
delete dock;
dock = 0;
scroll = new TQScrollView( myLegendParent );
clearLegend();
setMaximizedWidget( scroll );
showMe ( false );
}
}
bool KDLegendWidget::asDoctwindow( )
{
if ( dock )
return true;
return false;
}
TQDockWindow* KDLegendWidget::dockwindow( )
{
return dock;
}
void KDLegendWidget::setFont( TQFont font)
{
myLegend->setFont( font);
myLabel->setFont( font);
TQWidget::setFont( font );
}
void KDLegendWidget::drawToPainter( TQPainter *p )
{
p->drawPixmap( 0, 0, TQPixmap::grabWidget( myLegend ) );
}
TQSize KDLegendWidget::legendSize()
{
return myLegend->size();
}
TQSize KDLegendWidget::legendSizeHint()
{
TQApplication::sendPostedEvents( 0, TQEvent::LayoutHint );
return TQSize( myLegend->sizeHint().width(), myLegend->sizeHint().height()+scroll->horizontalScrollBar()->height());
}
void KDLegendWidget::showMe ( bool show )
{
minimize( !show );
}
void KDLegendWidget::clearLegend ( )
{
if ( myLegend ) delete myLegend;
if ( dock )
myLegend = new TQGroupBox( 1, Qt::Horizontal, scroll->viewport() );
else
myLegend = new TQGroupBox( 1, Qt::Horizontal, i18n( "Legend" ), scroll->viewport() );
myLegend->setBackgroundColor( TQt::white );
myLegend->setFont( font() );
scroll->addChild( myLegend );
scroll->setResizePolicy( TQScrollView::AutoOneFit );
myLegend->layout()->setMargin( 11 );
myLegend->setFrameStyle( TQFrame::NoFrame );
if ( dock )
scroll->setMaximumHeight( 32000 );
else
scroll->setMaximumHeight( legendSizeHint().height() );
}
void KDLegendWidget::addLegendItem( KDGanttViewItem::Shape shape, const TQColor& shapeColor, const TQString& text )
{
TQLabel * temp;
TQPixmap p = KDGanttView::getPixmap( shape, shapeColor, TQt::white, 10);
TQWidget *w = new TQWidget( myLegend );
w->setBackgroundColor( TQt::white );
TQHBoxLayout *lay = new TQHBoxLayout( w ,0, 6);
temp = new TQLabel ( w );
lay->addWidget( temp, 0, TQt:: AlignRight);
temp->setPixmap(p);
temp = new TQLabel ( text, w );
temp->setBackgroundColor( TQt::white );
lay->addWidget( temp, 0, TQt:: AlignLeft);
lay->addStretch();
if ( dock )
scroll->setMaximumHeight( 32000 );
else
scroll->setMaximumHeight( legendSizeHint().height() );
}
bool KDLegendWidget::isShown ( )
{
return !isMinimized();
}
KDListView::KDListView(TQWidget* parent, KDGanttView* gantView):TQListView (parent)
{
myGanttView = gantView;
setAcceptDrops(true);
new KDListViewWhatsThis(viewport(),this);
setRootIsDecorated( true );
setAllColumnsShowFocus( true );
addColumn( i18n( "Task Name" ) );
setSorting( -1 );
//setVScrollBarMode (TQScrollView::AlwaysOn );
setHScrollBarMode (TQScrollView::AlwaysOn );
setDefaultRenameAction(TQListView::Accept);
setColumnWidthMode ( 0,Maximum );
_calendarMode = false;
// TQObject::connect(this, TQT_SIGNAL ( pressed ( TQListViewItem * )) , this, TQT_SLOT( dragItem( TQListViewItem *))) ;
}
void KDListView::dragItem( TQListViewItem * )
{
// tqDebug("drag ");
// startDrag();
}
TQString KDListView::getWhatsThisText(TQPoint p)
{
KDGanttViewItem* item = ( KDGanttViewItem* ) itemAt( p );
if ( item )
return item->whatsThisText();
return i18n( "No item Found" );
}
void KDListView::setCalendarMode( bool mode )
{
_calendarMode = mode;
// setRootIsDecorated ( ! mode );
}
void KDListView::setOpen(TQListViewItem * item, bool open )
{
if (! _calendarMode || ! open ) {
(( KDGanttViewItem*)item)->setCallListViewOnSetOpen( false );
TQListView::setOpen ( item, open );
(( KDGanttViewItem*)item)->setCallListViewOnSetOpen( true );
return;
}
// we are in calendarmode
// in calendarmode only items can be opened which have subitems which have subitems
TQListViewItem* temp;
temp = item->firstChild();
bool openItem = false;
while (temp) {
if ( (( KDGanttViewItem*)temp)->displaySubitemsAsGroup() ) {
temp->setVisible( true );
openItem = true;
}
else {
temp->setVisible( false );
//tqDebug(" temp->setVisible( false );");
}
temp = temp->nextSibling();
}
if ( openItem ) {
(( KDGanttViewItem*)item)->setCallListViewOnSetOpen( false );
TQListView::setOpen ( item, open );
(( KDGanttViewItem*)item)->setCallListViewOnSetOpen( true );
}
}
void KDListView::contentsMouseDoubleClickEvent ( TQMouseEvent * e )
{
TQListView::contentsMouseDoubleClickEvent ( e );
//if ( ! _calendarMode )
// TQListView::contentsMouseDoubleClickEvent ( e );
// else
{
emit myGanttView->lvItemDoubleClicked ( (KDGanttViewItem*) itemAt(e->pos() ) );
emit myGanttView->itemDoubleClicked ( (KDGanttViewItem*) itemAt(e->pos() ) );
}
}
void KDListView::drawToPainter ( TQPainter * p, bool drawHeader )
{
// Draw list
drawAllContents ( p, 0, 0, contentsWidth(), contentsHeight() );
if (!drawHeader) {
return;
}
// Draw headers
TQPen pen = TQPen(TQt::lightGray, 1);
p->save();
TQHeader *h = header();
for (int s = 0; s < h->count(); ++s) {
TQRect r = h->sectionRect(s);
if (s==0) {
p->translate(0, -r.height());
}
//kdDebug()<<s<<": "<<h->label(s)<<" "<<r<<endl;
p->drawText(r.x()+2, r.y(), r.width()-2, r.height(), columnAlignment(s)|TQt::AlignVCenter, h->label(s), -1);
p->save();
p->setPen(pen);
p->drawRect(r.x(), r.y()+1, r.width(), r.height()-2);
p->restore();
}
p->restore();
}
int KDListView::buildDrawables(TQPtrList<KDListView::DrawableItem> &lst, int level, int ypos, TQListViewItem *item, int ymin, int ymax) const {
int y = ypos;
int ih = item->height();
if (y < ymin && y+ih > ymin) {
y = ymin; // include partial item at top
}
if (y >= ymin && y < ymax) { // include partial item at bottom
KDListView::DrawableItem *dr = new KDListView::DrawableItem(level, y, item);
lst.append(dr);
//kdDebug()<<k_funcinfo<<level<<", "<<y<<" : "<<item->text(0)<<endl;
}
y += ih;
if (item->isOpen()) {
TQListViewItem *child = item->firstChild();
for (; child; child = child->nextSibling()) {
y = buildDrawables(lst, level+1, y, child, ymin, ymax);
}
}
return y;
}
// This is a copy of TQListView::drawContentsOffset(), with a few changes
// because drawContentsOffset() only draws *visible* items,
// we want to draw *all* items.
// FIXME: Haven't got paintBraches() to work, atm live without it.
void KDListView::drawAllContents(TQPainter * p, int cx, int cy, int cw, int ch) {
if ( columns() == 0 ) {
paintEmptyArea( p, TQRect( cx, cy, cw, ch ) );
return;
}
//kdDebug()<<k_funcinfo<<TQRect(cx, cy, cw, ch)<<endl;
TQPtrList<KDListView::DrawableItem> drawables;
drawables.setAutoDelete(true);
TQListViewItem *child = firstChild();
int level = 0;
int ypos = 0;
for (; child; child = child->nextSibling()) {
ypos = buildDrawables(drawables, level, ypos, child, cy, cy+ch);
}
p->setFont( font() );
TQPtrListIterator<KDListView::DrawableItem> it(drawables);
TQRect r;
int fx = -1, x, fc = 0, lc = 0;
int tx = -1;
KDListView::DrawableItem * current;
while ( (current = it.current()) != 0 ) {
++it;
int ih = current->i->height();
int ith = current->i->totalHeight();
int c;
int cs;
// need to paint current?
if ( ih > 0 && current->y < cy+ch && current->y+ih > cy ) {
//kdDebug()<<k_funcinfo<<"Paint: "<<current->i->text(0)<<" y="<<current->y<<endl;
if ( fx < 0 ) {
// find first interesting column, once
x = 0;
c = 0;
cs = header()->cellSize( 0 );
while ( x + cs <= cx && c < header()->count() ) {
x += cs;
c++;
if ( c < header()->count() )
cs = header()->cellSize( c );
}
fx = x;
fc = c;
while( x < cx + cw && c < header()->count() ) {
x += cs;
c++;
if ( c < header()->count() )
cs = header()->cellSize( c );
}
lc = c;
}
x = fx;
c = fc;
// draw to last interesting column
const TQColorGroup &cg = ( palette().inactive() );
while ( c < lc && !drawables.isEmpty() ) {
int i = header()->mapToLogical( c );
cs = header()->cellSize( c );
r.setRect( x, current->y-cy, cs, ih );
if ( i == 0 )
r.setLeft( r.left() + current->l * treeStepSize() );
p->save();
// No need to paint if the cell isn't technically visible
if ( !( r.width() == 0 || r.height() == 0 ) ) {
p->translate( r.left(), r.top() );
int ac = header()->mapToLogical( c );
// map to Left currently. This should change once we
// can really reverse the listview.
int align = columnAlignment( ac );
if ( align == AlignAuto ) align = AlignLeft;
bool sel = current->i->isSelected();
if (sel)
current->i->setSelected(false);
current->i->paintCell( p, cg, ac, r.width(), align );
if (sel)
current->i->setSelected(sel);
}
p->restore();
x += cs;
c++;
}
}
const int cell = header()->mapToActual( 0 );
if ( tx < 0 )
tx = header()->cellPos( cell );
// do any children of current need to be painted?
/* FIXME: painting branches doesn't work for some reason...
if ( ih != ith &&
rootIsDecorated() &&
current->y + ith > cy &&
current->y + ih < cy + ch &&
tx + current->l * treeStepSize() < cx + cw &&
tx + (current->l+1) * treeStepSize() > cx ) {
// compute the clip rectangle the safe way
int rtop = current->y + ih;
int rbottom = current->y + ith;
int rleft = tx + current->l*treeStepSize();
int rright = rleft + treeStepSize();
int crtop = TQMAX( rtop, cy );
int crbottom = TQMIN( rbottom, cy+ch );
int crleft = TQMAX( rleft, cx );
int crright = TQMIN( rright, cx+cw );
r.setRect( crleft, crtop,
crright-crleft, crbottom-crtop );
if ( r.isValid() ) {
p->save();
p->translate( rleft, crtop );
//kdDebug()<<k_funcinfo<<"paintBranches: "<<current->i->text(0)<<endl;
current->i->paintBranches( p, colorGroup(), treeStepSize(),
rtop - crtop, r.height() );
p->restore();
}
}*/
}
}
void KDListView::resizeEvent(TQResizeEvent *)
{
triggerUpdate ();
}
void KDListView::dragEnterEvent ( TQDragEnterEvent * e)
{
if ( !myGanttView->dropEnabled() ) {
e->accept( false );
return;
}
myGanttView->lvDragEnterEvent(e);
//e->accept(KDGanttViewItemDrag::canDecode(e) );
}
void KDListView::dragMoveEvent ( TQDragMoveEvent * e)
{
if ( !myGanttView->dropEnabled() ) {
e->accept( false );
return;
}
KDGanttViewItem* draggedItem = 0;
KDGanttViewItem* gItem = (KDGanttViewItem*)itemAt( e->pos()) ;
setCurrentItem( gItem );
if ( e->source() == myGanttView )
draggedItem = myGanttView->myCanvasView->lastClickedItem;
// execute user defined dragMoveEvent handling
if (myGanttView->lvDragMoveEvent ( e , draggedItem, gItem ) )
return;
if ( !KDGanttViewItemDrag::canDecode(e) ) {
e->accept( false );
return;
}
if ( e->source() == myGanttView && gItem ){
// internal drag - do not allow to drag the item to a subitem of itself
KDGanttViewItem* pItem = gItem->parent();
while ( pItem ) {
if ( pItem == myGanttView->myCanvasView->lastClickedItem ) {
e->accept( false );
return;
}
pItem = pItem->parent();
}
if ( gItem == myGanttView->myCanvasView->lastClickedItem ) {
e->accept( false );
return;
}
}
e->accept( true );
}
void KDListView::dragLeaveEvent ( TQDragLeaveEvent * )
{
//tqDebug("contentsDragLeaveEvent ");
}
void KDListView::dropEvent ( TQDropEvent *e )
{
if ( !myGanttView->dropEnabled() ) {
e->accept( false );
return;
}
KDGanttViewItem* gItem = (KDGanttViewItem*)itemAt( e->pos()) ;
KDGanttViewItem* draggedItem = 0;
if ( e->source() == myGanttView )
draggedItem = myGanttView->myCanvasView->lastClickedItem;
if (myGanttView->lvDropEvent ( e, draggedItem, gItem ))
return;
TQString string;
KDGanttViewItemDrag::decode( e, string );
KDGanttViewItem* newItem = 0;
if ( gItem == myGanttView->myCanvasView->lastClickedItem && gItem != 0 ) {
tqDebug("KDGanttView::Possible bug in drag&drop code ");
return;
}
TQDomDocument doc( "GanttView" );
doc.setContent( string );
TQDomElement docRoot = doc.documentElement(); // ChartParams element
TQDomNode node = docRoot.firstChild();
bool enable = myGanttView->myTimeTable->blockUpdating( );
myGanttView->myTimeTable->setBlockUpdating( true );
while( !node.isNull() ) {
TQDomElement element = node.toElement();
if( !element.isNull() ) { // was really an element
TQString tagName = element.tagName();
if( tagName == "Items" ) {
TQDomNode node = element.firstChild();
while( !node.isNull() ) {
TQDomElement element = node.toElement();
if( !element.isNull() ) { // was really an element
TQString tagName = element.tagName();
if( tagName == "Item" ) {
if ( gItem )
newItem = KDGanttViewItem::createFromDomElement( gItem,
element );
else
newItem = KDGanttViewItem::createFromDomElement( myGanttView,
element );
} else {
tqDebug( "Unrecognized tag name: %s", tagName.latin1() );
Q_ASSERT( false );
}
}
//tqDebug("next node1 ");
node = node.nextSibling();
}
}
}
//tqDebug("next node2 ");
node = node.nextSibling();
}
newItem->setDisplaySubitemsAsGroup(myGanttView->displaySubitemsAsGroup());
newItem->resetSubitemVisibility();
myGanttView->slot_lvDropped(e, draggedItem, gItem);
myGanttView->myTimeTable->setBlockUpdating( enable );
myGanttView->myTimeTable->updateMyContent();
return;
}
TQDragObject * KDListView::dragObject ()
{
return TQListView::dragObject ();
}
void KDListView::startDrag ()
{
if ( ! myGanttView->dragEnabled() )
return;
KDGanttViewItem* cItem = (KDGanttViewItem*) currentItem ();
myGanttView->myCanvasView->lastClickedItem = cItem;
myGanttView->lvStartDrag (cItem);
}
KDCanvasText::KDCanvasText( KDTimeTableWidget* canvas,
void* parentItem,
int type ) :
TQCanvasText(canvas)
{
myParentType = type;
myParentItem = parentItem;
}
KDCanvasLine::KDCanvasLine( KDTimeTableWidget* canvas,
void* parentItem,
int type ) :
TQCanvasLine(canvas)
{
myParentType = type;
myParentItem = parentItem;
}
KDCanvasPolygonItem::KDCanvasPolygonItem( KDTimeTableWidget* canvas,
void* parentItem,
int type ) :
TQCanvasPolygonalItem( canvas )
{
myParentType = type;
myParentItem = parentItem;
}
KDCanvasPolygon::KDCanvasPolygon( KDTimeTableWidget* canvas,
void* parentItem,
int type ) :
TQCanvasPolygon( canvas )
{
myParentType = type;
myParentItem = parentItem;
}
KDCanvasEllipse::KDCanvasEllipse( KDTimeTableWidget* canvas,
void* parentItem,
int type ) :
TQCanvasEllipse( canvas )
{
myParentType = type;
myParentItem = parentItem;
}
KDCanvasRectangle::KDCanvasRectangle( KDTimeTableWidget* canvas,
void* parentItem,
int type ) :
TQCanvasRectangle( canvas )
{
myParentType = type;
myParentItem = parentItem;
}
KDGanttCanvasView::KDGanttCanvasView( KDGanttView* sender,TQCanvas* canvas, TQWidget* parent, const
char* name ) : TQCanvasView ( canvas, parent, name ), scrollBarTimer( 0, "scrollBarTimer" )
{
setHScrollBarMode (TQScrollView::AlwaysOn );
setVScrollBarMode( TQScrollView::AlwaysOn );
myToolTip = new KDCanvasToolTip(viewport(),this);
mySignalSender = sender;
currentItem = 0;
currentLink = 0;
cuttedItem = 0;
fromItem = 0;
fromArea = 0;
linkItemsEnabled = false;
linkLine = new TQCanvasLine(canvas);
linkLine->hide();
linkLine->setZ(1000);
//set_Mouse_Tracking(true);
new KDCanvasWhatsThis(viewport(),this);
onItem = new TQPopupMenu( this );
TQPopupMenu * newMenu = new TQPopupMenu( this );
TQPopupMenu * onView = new TQPopupMenu( this );
onView->insertItem( i18n( "Summary" ), this,
TQT_SLOT ( newRootItem( int ) ), 0, 0 );
onView->insertItem( i18n( "Event" ), this,
TQT_SLOT ( newRootItem( int ) ), 0, 1);
onView->insertItem( i18n( "Task" ), this,
TQT_SLOT ( newRootItem( int ) ), 0, 2 );
onItem->insertItem( i18n( "New Root" ), onView );
newMenu->insertItem( i18n( "Summary" ),
this, TQT_SLOT ( newChildItem( int) ), 0, 0 );
newMenu->insertItem( i18n( "Event" ),
this, TQT_SLOT ( newChildItem( int ) ), 0, 1 );
newMenu->insertItem( i18n( "Task" ),
this, TQT_SLOT ( newChildItem( int ) ), 0, 2 );
onItem->insertItem( i18n( "New Child" ), newMenu );
TQPopupMenu * afterMenu = new TQPopupMenu( this );
afterMenu->insertItem( i18n( "Summary" ),
this, TQT_SLOT ( newChildItem( int) ), 0, 0+4 );
afterMenu->insertItem( i18n( "Event" ),
this, TQT_SLOT ( newChildItem( int ) ), 0, 1+4 );
afterMenu->insertItem( i18n( "Task" ),
this, TQT_SLOT ( newChildItem( int ) ), 0, 2+4 );
onItem->insertItem( i18n( "New After" ), afterMenu );
TQPopupMenu *pasteMenu = new TQPopupMenu( this );
pasteMenu->insertItem( i18n( "As Root" ),
this, TQT_SLOT ( pasteItem( int ) ), 0, 0 );
pasteMenu->insertItem( i18n( "As Child" ),
this, TQT_SLOT ( pasteItem( int ) ), 0, 1 );
pasteMenu->insertItem( i18n( "After" ),
this, TQT_SLOT ( pasteItem( int ) ), 0, 2 );
onItem->insertItem( i18n( "Paste" ), pasteMenu, 3 );
onItem->insertItem( i18n( "Cut Item" ), this, TQT_SLOT ( cutItem() ) );
onItem->setItemEnabled( 3, false );
myMyContentsHeight = 0;
_showItemAddPopupMenu = false;
TQObject *scrollViewTimer = child( "scrollview scrollbar timer", TQTIMER_OBJECT_NAME_STRING, false );
Q_ASSERT( scrollViewTimer );
if ( scrollViewTimer ) {
disconnect( scrollViewTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(updateScrollBars() ) );
}
// If they needed a scrollbar timer in scrollview...
connect( &scrollBarTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(myUpdateScrollBars() ) );
myScrollTimer = new TQTimer( this, "myScrollTimer" );
connect( myScrollTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( slotScrollTimer() ) );
autoScrollEnabled = false;
}
KDGanttCanvasView::~KDGanttCanvasView()
{
delete myToolTip;
}
void KDGanttCanvasView::setShowPopupMenu( bool show )
{
_showItemAddPopupMenu = show;
}
bool KDGanttCanvasView::showPopupMenu()
{
return _showItemAddPopupMenu;
}
void KDGanttCanvasView::moveMyContent( int, int y)
{
setContentsPos(contentsX(), y);
}
void KDGanttCanvasView::resizeEvent ( TQResizeEvent * e )
{
int ho = e->oldSize().height();
int wo = e->oldSize().width();
int hi = height();
int wi = width();
//TQScrollView::blockSignals( true );
verticalScrollBar()->setUpdatesEnabled( false );
TQScrollView::resizeEvent ( e ) ;
if ( ho != hi )
emit heightResized( viewport()->height());
if ( wo != wi )
emit widthResized( viewport()->width() );
//setMyContentsHeight( 0 ); // via timer
//TQScrollView::blockSignals( false );
scrollBarTimer.start(0, true);
}
void KDGanttCanvasView::myUpdateScrollBars()
{
setMyContentsHeight( 0 );
}
void KDGanttCanvasView::setMyContentsHeight( int hei )
{
//tqDebug("setMyContentsHeight %d %d ", hei, myMyContentsHeight);
if ( hei > 0 )
myMyContentsHeight = hei;
verticalScrollBar()->setUpdatesEnabled( true ); // set false in resizeEvent()
if ( viewport()->height() <= myMyContentsHeight )
verticalScrollBar()->setRange( 0, myMyContentsHeight- viewport()->height()+1);
else
verticalScrollBar()->setRange( 0,0 );
// testing for unmatching ScrollBar values of timeheader and timetable
// may happen after external resizing
if ( horizontalScrollBar()->value() != mySignalSender->myTimeHeaderScroll->horizontalScrollBar()->value() ) {
// I am the Boss!
mySignalSender->myTimeHeaderScroll->horizontalScrollBar()->setValue(horizontalScrollBar()->value() );
}
}
// Call after *internal* resizing (like addTickRight())
// Then the new scrollbar maxValue is in myTimeHeader.
void KDGanttCanvasView::updateHorScrollBar() {
//tqDebug("horizontalScrollBar max=%d, myTimeHeaderScroll=%d", horizontalScrollBar()->maxValue(), mySignalSender->myTimeHeaderScroll->horizontalScrollBar()->value());
horizontalScrollBar()->setRange(mySignalSender->myTimeHeaderScroll->horizontalScrollBar()->minValue(), mySignalSender->myTimeHeaderScroll->horizontalScrollBar()->maxValue());
}
void KDGanttCanvasView::cutItem( KDGanttViewItem* item )
{
lastClickedItem = item;
cutItem();
}
void KDGanttCanvasView::insertItemAsRoot( KDGanttViewItem* item )
{
mySignalSender->myListView->insertItem( item );
if ( item == cuttedItem )
cuttedItem = 0;
}
void KDGanttCanvasView::insertItemAsChild( KDGanttViewItem* parent, KDGanttViewItem* item )
{
parent->insertItem( cuttedItem );
if ( item == cuttedItem )
cuttedItem = 0;
}
void KDGanttCanvasView::insertItemAfter( KDGanttViewItem* parent , KDGanttViewItem* item )
{
if ( parent->parent() ) {
parent->parent()->insertItem( item );
}
else
mySignalSender->myListView->insertItem( item );
item->moveItem( parent );
if ( item == cuttedItem )
cuttedItem = 0;
}
void KDGanttCanvasView::cutItem()
{
lastClickedItem->hideSubtree();
//tqDebug("last clicked %d parent %d ", lastClickedItem , lastClickedItem->parent());
if ( lastClickedItem->parent() )
lastClickedItem->parent()->takeItem(lastClickedItem);
else
mySignalSender->myListView->takeItem( lastClickedItem );
mySignalSender->myTimeTable->updateMyContent();
if ( cuttedItem )
delete cuttedItem;
cuttedItem = lastClickedItem;
onItem->setItemEnabled( 3, true );
}
// called from the destructor in KDGanttViewItem or KDGanttView
void KDGanttCanvasView::resetCutPaste( KDGanttViewItem* item )
{
if ( item == 0 && cuttedItem ) {
delete cuttedItem;
cuttedItem = 0;
}
if (item == cuttedItem) {
onItem->setItemEnabled( 3, false );
cuttedItem = 0;
}
}
void KDGanttCanvasView::pasteItem( int type )
{
if ( !cuttedItem )
return;
switch( type ) {
case 0://root
mySignalSender->myListView->insertItem( cuttedItem );
break;
case 1://child
lastClickedItem->insertItem( cuttedItem );
break;
case 2://after
if ( lastClickedItem->parent() ) {
lastClickedItem->parent()->insertItem( cuttedItem );
}
else
mySignalSender->myListView->insertItem( cuttedItem );
cuttedItem->moveItem( lastClickedItem );
break;
default:
;
}
cuttedItem = 0;
onItem->setItemEnabled( 3, false );
mySignalSender->myTimeTable->updateMyContent();
}
void KDGanttCanvasView::newRootItem(int type)
{
KDGanttViewItem* temp = 0;
switch( type ) {
case 1:
temp = new KDGanttViewEventItem( mySignalSender, i18n( "New Event" ) );
break;
case 0:
temp = new KDGanttViewSummaryItem( mySignalSender, i18n( "New Summary" ) );
break;
case 2:
temp = new KDGanttViewTaskItem( mySignalSender, i18n( "New Task" ) );
break;
default:
;
}
if ( temp )
mySignalSender->editItem( temp );
}
void KDGanttCanvasView::newChildItem( int type )
{
KDGanttViewItem* temp = 0;
switch( type ) {
case 1:
temp = new KDGanttViewEventItem( lastClickedItem, i18n( "New Event" ) );
break;
case 0:
temp = new KDGanttViewSummaryItem( lastClickedItem, i18n( "New Summary" ) );
break;
case 2:
temp = new KDGanttViewTaskItem( lastClickedItem, i18n( "New Task" ) );
break;
case 5:
if ( lastClickedItem->parent() )
temp = new KDGanttViewEventItem( lastClickedItem->parent(), lastClickedItem, i18n( "New Event" ) );
else
temp = new KDGanttViewEventItem( mySignalSender, lastClickedItem, i18n( "New Event" ) );
break;
case 4:
if ( lastClickedItem->parent() )
temp = new KDGanttViewSummaryItem( lastClickedItem->parent(), lastClickedItem, i18n( "New Summary" ) );
else
temp = new KDGanttViewSummaryItem( mySignalSender, lastClickedItem, i18n( "New Summary" ) );
break;
case 6:
if ( lastClickedItem->parent() )
temp = new KDGanttViewTaskItem( lastClickedItem->parent(), lastClickedItem, i18n( "New Task" ) );
else
temp = new KDGanttViewTaskItem( mySignalSender, lastClickedItem, i18n( "New Task" ) );
break;
default:
;
}
if ( temp )
mySignalSender->editItem( temp );
}
void KDGanttCanvasView::drawToPainter ( TQPainter * p )
{
drawContents ( p, 0, 0, canvas()->width(), canvas()->height() );
}
TQString KDGanttCanvasView::getToolTipText(TQPoint p)
{
TQCanvasItemList il = canvas()->collisions ( viewportToContents( p ));
TQCanvasItemList::Iterator it;
for ( it = il.begin(); it != il.end(); ++it ) {
switch (getType(*it)) {
case Type_is_KDGanttViewItem:
return (getItem(*it))->tooltipText();
break;
case Type_is_KDGanttTaskLink:
return (getLink(*it))->tooltipText();
break;
default:
break;
}
}
return "";
}
TQString KDGanttCanvasView::getWhatsThisText(TQPoint p)
{
TQCanvasItemList il = canvas() ->collisions (viewportToContents( p ));
TQCanvasItemList::Iterator it;
for ( it = il.begin(); it != il.end(); ++it ) {
switch (getType(*it)) {
case Type_is_KDGanttViewItem:
return (getItem(*it))->whatsThisText();
break;
case Type_is_KDGanttTaskLink:
return (getLink(*it))->whatsThisText();
break;
default:
break;
}
}
return "";
}
/**
Handles the mouseevent if a mousekey is pressed
\param e the mouseevent
*/
void KDGanttCanvasView::contentsMousePressEvent ( TQMouseEvent * e )
{
//tqDebug("mousepress! %d ", this);
//tqDebug("focus %d ",tqApp->focusWidget());
setFocus();
currentLink = 0;
currentItem = 0;
if (e->button() == Qt::RightButton && mySignalSender->editable()) {
lastClickedItem = (KDGanttViewItem*) mySignalSender->myListView->itemAt( TQPoint(2,e->pos().y()));
if ( lastClickedItem ) {
if ( lastClickedItem->displaySubitemsAsGroup() && ! lastClickedItem->isOpen() ) {
// findSub subitem
TQCanvasItemList il = canvas() ->collisions ( e->pos() );
TQCanvasItemList::Iterator it;
for ( it = il.begin(); it != il.end(); ++it ) {
if ( getType(*it) == Type_is_KDGanttViewItem ) {
lastClickedItem = getItem(*it);
}
}
}
if ( _showItemAddPopupMenu )
onItem->popup(e->globalPos());
}
}
TQCanvasItemList il = canvas() ->collisions ( e->pos() );
TQCanvasItemList::Iterator it;
for ( it = il.begin(); it != il.end(); ++it ) {
switch ( e->button() ) {
case Qt::LeftButton:
switch (getType(*it)) {
case Type_is_KDGanttViewItem:
currentItem = getItem(*it);
if (! currentItem->enabled() ) {
currentItem = 0;
} else if (linkItemsEnabled &&
!currentItem->isMyTextCanvas(*it)) {
fromArea = getItemArea(currentItem, e->pos().x());
if (fromArea > 0) {
fromItem = currentItem;
linkLine->setPoints(e->pos().x(), e->pos().y(), e->pos().x(), e->pos().y());
linkLine->show();
}
}
break;
case Type_is_KDGanttTaskLink:
currentLink = getLink(*it);
break;
default:
break;
}
break;
case Qt::RightButton:
switch (getType(*it)) {
case Type_is_KDGanttViewItem:
currentItem = getItem(*it);
if (! currentItem->enabled() )
currentItem = 0;
break;
case Type_is_KDGanttTaskLink:
currentLink = getLink(*it);
break;
}
break;
case Qt::MidButton:
switch (getType(*it)) {
case Type_is_KDGanttViewItem:
currentItem = getItem(*it);
if (! currentItem->enabled() )
currentItem = 0;
break;
case Type_is_KDGanttTaskLink:
currentLink = getLink(*it);
break;
}
break;
default:
break;
}
}
if (e->button() == Qt::RightButton ) {
mySignalSender->gvContextMenuRequested( currentItem, e->globalPos() );
}
if (autoScrollEnabled && e->button() == Qt::LeftButton) {
myScrollTimer->start(50);
}
}
/**
Handles the mouseevent if a mousekey is released
\param e the mouseevent
*/
void KDGanttCanvasView::contentsMouseReleaseEvent ( TQMouseEvent * e )
{
static KDGanttViewItem* lastClicked = 0;
mySignalSender->gvMouseButtonClicked( e->button(), currentItem , e->globalPos() );
//tqDebug("datetime %s ",mySignalSender->getDateTimeForCoordX(e->globalPos().x(), true ).toString().latin1() );
//tqDebug("mousepos %d %d ",e->pos().x(),e->pos().y() );
//tqDebug("mouseup ");
// if ( currentLink || currentItem )
{
switch ( e->button() ) {
case Qt::LeftButton:
myScrollTimer->stop();
{
mySignalSender->itemLeftClicked( currentItem );
mySignalSender->gvItemLeftClicked( currentItem );
}
if ( currentLink )
mySignalSender->taskLinkLeftClicked( currentLink );
if (linkItemsEnabled && fromItem) {
linkLine->hide();
canvas()->update();
TQCanvasItemList il = canvas() ->collisions ( e->pos() );
TQCanvasItemList::Iterator it;
for ( it = il.begin(); it != il.end(); ++it ) {
if (getType(*it) == Type_is_KDGanttViewItem) {
KDGanttViewItem *toItem = getItem(*it);
if (!toItem->isMyTextCanvas(*it)) {
int toArea = getItemArea(toItem, e->pos().x());
if (toArea > 0 && toItem && fromItem != toItem) {
mySignalSender->linkItems(fromItem, toItem, getLinkType(fromArea, toArea));
}
}
break;
}
}
}
fromItem = 0;
break;
case Qt::RightButton:
{
mySignalSender->itemRightClicked( currentItem );
mySignalSender->gvItemRightClicked( currentItem );
}
if ( currentLink )
mySignalSender->taskLinkRightClicked( currentLink );
break;
case Qt::MidButton:
{
mySignalSender->itemMidClicked( currentItem );
mySignalSender->gvItemMidClicked( currentItem );
}
if ( currentLink )
mySignalSender->taskLinkRightClicked( currentLink );
break;
default:
break;
}
}
if ( lastClicked != currentItem )
mySignalSender->gvCurrentChanged( currentItem );
lastClicked = currentItem;
currentLink = 0;
currentItem = 0;
}
/**
Handles the mouseevent if a mousekey is doubleclicked
\param e the mouseevent
*/
void KDGanttCanvasView::contentsMouseDoubleClickEvent ( TQMouseEvent * e )
{
TQCanvasItemList il = canvas() ->collisions ( e->pos() );
TQCanvasItemList::Iterator it;
for ( it = il.begin(); it != il.end(); ++it ) {
switch ( e->button() ) {
case Qt::LeftButton:
switch (getType(*it)) {
case Type_is_KDGanttViewItem:
if ( getItem(*it)->enabled() )
mySignalSender->itemDoubleClicked(getItem(*it));
mySignalSender->gvItemDoubleClicked(getItem(*it));
return;
break;
case Type_is_KDGanttTaskLink:
mySignalSender->taskLinkDoubleClicked(getLink(*it));
return;
break;
default:
break;
}
break;
/*
case RightButton:
switch (getType(*it)) {
case Type_is_KDGanttViewItem:
mySignalSender->itemRightClicked(getItem(*it));
return;
break;
case Type_is_KDGanttTaskLink:
mySignalSender->taskLinkRightClicked(getLink(*it));
return;
break;
}
break;
case MidButton:
switch (getType(*it)) {
case Type_is_KDGanttViewItem:
mySignalSender->itemMidClicked(getItem(*it));
return;
break;
case Type_is_KDGanttTaskLink:
mySignalSender->taskLinkMidClicked(getLink(*it));
return;
break;
}
break;
*/
default:
break;
}
}
}
/**
Handles the mouseevent if a mousekey is pressed an the mouse is moved
\param e the mouseevent
*/
void KDGanttCanvasView::contentsMouseMoveEvent ( TQMouseEvent *e )
{
//tqDebug("mousemove! ");
static int moves = 0;
if ( (currentLink || currentItem) && (moves < 3) ) {
++moves;
} else {
moves = 0;
currentLink = 0;
currentItem = 0;
}
if (autoScrollEnabled)
mousePos = e->pos()- TQPoint(contentsX(),contentsY()); // make mousePos relative 0
if (fromItem) {
//tqDebug("mousemove: linking %s: %d,%d ",fromItem->listViewText().latin1(), e->pos().x(), e->pos().y());
linkLine->setPoints(linkLine->startPoint().x(), linkLine->startPoint().y(), e->pos().x(), e->pos().y());
canvas()->update();
}
// no action implemented
//tqDebug("mousemove ");
//TQToolTip::setGloballyEnabled (false);
//TQToolTip::remove(viewport());
// TQToolTip::add(viewport(), "hello");
// TQToolTip::setGloballyEnabled (true);
/*
TQCanvasItemList il = canvas() ->collisions ( e->pos() );
TQCanvasItemList::Iterator it;
KDGanttItem* mouseover = 0;
for ( it = il.begin(); it != il.end(); ++it ) {
}
*/
}
void KDGanttCanvasView::viewportPaintEvent ( TQPaintEvent * pe )
{
TQCanvasView::viewportPaintEvent ( pe );
}
void KDGanttCanvasView::set_Mouse_Tracking(bool on)
{
viewport()->setMouseTracking(on);
}
int KDGanttCanvasView::getType(TQCanvasItem* it)
{
switch (it->rtti()) {
case TQCanvasItem::Rtti_Line: return ((KDCanvasLine*)it)->myParentType;
case TQCanvasItem::Rtti_Ellipse: return ((KDCanvasEllipse *)it)->myParentType;
case TQCanvasItem::Rtti_Text: return ((KDCanvasText *)it)->myParentType;
case TQCanvasItem::Rtti_Polygon: return ((KDCanvasPolygon *)it)->myParentType;
case TQCanvasItem::Rtti_Rectangle: return ((KDCanvasRectangle *)it)->myParentType;
}
return -1;
}
KDGanttViewItem* KDGanttCanvasView::getItem(TQCanvasItem* it)
{
switch (it->rtti()) {
case TQCanvasItem::Rtti_Line: return (KDGanttViewItem*) ((KDCanvasLine*)it)->myParentItem;
case TQCanvasItem::Rtti_Ellipse: return (KDGanttViewItem*) ((KDCanvasEllipse *)it)->myParentItem;
case TQCanvasItem::Rtti_Text: return (KDGanttViewItem*) ((KDCanvasText *)it)->myParentItem;
case TQCanvasItem::Rtti_Polygon: return (KDGanttViewItem*) ((KDCanvasPolygon *)it)->myParentItem;
case TQCanvasItem::Rtti_Rectangle: return (KDGanttViewItem*) ((KDCanvasRectangle *)it)->myParentItem;
}
return 0;
}
KDGanttViewTaskLink* KDGanttCanvasView::getLink(TQCanvasItem* it)
{
switch (it->rtti()) {
case TQCanvasItem::Rtti_Line: return (KDGanttViewTaskLink*) ((KDCanvasLine*)it)->myParentItem;
case TQCanvasItem::Rtti_Ellipse: return (KDGanttViewTaskLink*) ((KDCanvasEllipse *)it)->myParentItem;
case TQCanvasItem::Rtti_Text: return (KDGanttViewTaskLink*) ((KDCanvasText *)it)->myParentItem;
case TQCanvasItem::Rtti_Polygon: return (KDGanttViewTaskLink*) ((KDCanvasPolygon *)it)->myParentItem;
}
return 0;
}
void KDGanttCanvasView::slotScrollTimer() {
int mx = mousePos.x();
int my = mousePos.y();
int dx = 0;
int dy = 0;
if (mx < 0)
dx = -5;
else if (mx > visibleWidth())
dx = 5;
if (my < 0)
dy = -5;
else if (my > visibleHeight())
dy = TQMIN(5, verticalScrollBar()->maxValue()-verticalScrollBar()->value());
if (dx != 0 || dy != 0)
scrollBy(dx, dy);
}
int KDGanttCanvasView::getItemArea(KDGanttViewItem *item, int x) {
// area can be: no area = 0, Start = 1, Finish = 2
// TODO: middle (move, dnd), front, back (resize)
KDTimeTableWidget *tt = dynamic_cast<KDTimeTableWidget *>(canvas());
if (!tt) {
tqWarning("Cannot cast canvas to KDTimeTableWidget");
return 0;
}
int area = 0;
int start = tt->getCoordX(item->startTime());
int end = start;
if (item->type() == KDGanttViewItem::Event) {
x > start ? area = 2 : area = 1;
} else {
end = tt->getCoordX(item->endTime());
if ((end - start)/2 > (x - start))
area = 1;
else
area = 2;
}
return area;
}
int KDGanttCanvasView::getLinkType(int from, int to) {
// from, to should be Start = 1 or Finish = 2
if ((from == 1) && (to == 1)) {
return KDGanttViewTaskLink::StartStart;
}
if ((from == 1) && (to == 2)) {
return KDGanttViewTaskLink::StartFinish;
}
if ((from == 2) && (to == 1)) {
return KDGanttViewTaskLink::FinishStart;
}
if ((from == 2) && (to == 2)) {
return KDGanttViewTaskLink::FinishFinish;
}
return KDGanttViewTaskLink::None;
}
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