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437 lines
13 KiB
437 lines
13 KiB
/* This file is part of the KDE project
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Copyright (C) 2003 - 2004 Dag Andersen <danders@get2net.dk>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation;
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version 2 of the License.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "kptpertcanvas.h"
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#include "kptnode.h"
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#include "kptrelation.h"
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#include "kptrelationdialog.h"
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#include "kptcanvasitem.h"
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#include <tqbuffer.h>
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#include <tqtimer.h>
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#include <tqclipboard.h>
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#include <tqprogressdialog.h>
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#include <tqobjectlist.h>
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#include <tqpainter.h>
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#include <tqheader.h>
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#include <tqcursor.h>
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#include <tqrect.h>
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#include <tqsize.h>
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#include <tqptrlist.h>
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#include <KoStore.h>
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#include <tdetempfile.h>
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#include <tdelocale.h>
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#include <kdebug.h>
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#include <tdeapplication.h>
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#include <tdemessagebox.h>
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#include <assert.h>
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#include <tdemultipledrag.h>
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#include <tdelistview.h>
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namespace KPlato
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{
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PertCanvas::PertCanvas( TQWidget *parent )
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: TQCanvasView( parent, "Pert canvas" /*WNorthWestGravity WStaticContents| WResizeNoErase | WRepaintNoErase */),
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m_verticalGap(20),
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m_horizontalGap(10),
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m_itemSize(100,30)
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{
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//setHScrollBarMode(TQScrollView::AlwaysOn);
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m_canvas = new TQCanvas( this );
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setCanvas( m_canvas );
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}
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PertCanvas::~PertCanvas()
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{
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}
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void PertCanvas::draw(Project& project)
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{
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//kdDebug()<<k_funcinfo<<endl;
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clear();
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updateContents();
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// First make node items
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TQPtrListIterator<Node> nit(project.childNodeIterator());
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for ( ; nit.current(); ++nit ) {
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createChildItems(createNodeItem(nit.current()));
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}
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// First all items with relations
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TQPtrDictIterator<PertNodeItem> it(m_nodes);
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for(; it.current(); ++it)
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{
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if (!(it.current()->hasParent()) && it.current()->hasChild())
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{
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m_rows.append(new TQMemArray<bool>(1)); // New node always goes into new row, first column
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it.current()->move(this, m_rows.count()-1, 0); // item also moves it's children
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}
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}
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// now items without relations
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for(it.toFirst(); it.current(); ++it)
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{
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if (!(it.current()->hasParent() || it.current()->hasChild()))
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{
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m_rows.append(new TQMemArray<bool>(1)); // New node always goes into new row, first column
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it.current()->move(this, m_rows.count()-1, 0);
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}
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}
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drawRelations(); // done _after_ all nodes are drawn
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TQSize s = canvasSize();
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m_canvas->resize(s.width(), s.height());
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update();
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}
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PertNodeItem *PertCanvas::createNodeItem(Node *node)
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{
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PertNodeItem *item = m_nodes.find(node);
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if (!item)
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{
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if ( node->type() == Node::Type_Project)
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kdDebug()<<k_funcinfo<<"Project nodes should not have relations"<<endl;
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else if (node->type() == Node::Type_Subproject)
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item = new PertProjectItem(this, *node);
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else if (node->type()== Node::Type_Summarytask)
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item = new PertTaskItem(this, *node);
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else if (node->type()== Node::Type_Task)
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item = new PertTaskItem(this, *node);
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else if (node->type() == Node::Type_Milestone)
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item = new PertMilestoneItem(this, *node);
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else
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kdDebug()<<k_funcinfo<<"Not implemented yet"<<endl;
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if (item)
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m_nodes.insert(node, item);
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}
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return item;
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}
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void PertCanvas::createChildItems(PertNodeItem *parentItem)
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{
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//kdDebug()<<k_funcinfo<<"parentItem="<<(parentItem ? parentItem->node().name() : "nil")<<endl;
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if (!parentItem)
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return;
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TQPtrListIterator<Relation> it(parentItem->node().dependChildNodes());
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for (; it.current(); ++it)
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{
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PertNodeItem *childItem = createNodeItem(it.current()->child());
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if (childItem)
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parentItem->addChildRelation(it.current(), childItem);
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m_relations.append(it.current());
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}
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// Now my children
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TQPtrListIterator<Node> nit(parentItem->node().childNodeIterator());
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for ( ; nit.current(); ++nit ) {
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createChildItems(createNodeItem(nit.current()));
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}
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}
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void PertCanvas::drawRelations()
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{
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//kdDebug()<<k_funcinfo<<endl;
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TQPtrListIterator<Relation> it(m_relations);
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for (; it.current(); ++it)
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{
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PertNodeItem *parentItem = m_nodes.find(it.current()->parent());
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PertNodeItem *childItem = m_nodes.find(it.current()->child());
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if (parentItem && childItem)
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{
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PertRelationItem *item = new PertRelationItem(this, parentItem, childItem, it.current());
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item->show();
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}
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}
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}
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void PertCanvas::mapNode(PertNodeItem *item)
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{
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//kdDebug()<<k_funcinfo<<endl;
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if (! m_rows.at(item->row()) || (item->column() >= 0 && m_rows.at(item->row())->count() <= uint(item->column())))
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{
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kdError()<<k_funcinfo<<item->node().name()<<": non existing map for: ("<<item->row()<<","<<item->column()<<")"<<endl;
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return;
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}
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m_rows.at(item->row())->at(item->column()) = true;
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}
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void PertCanvas::mapChildNode(PertNodeItem *parentItem, PertNodeItem *childItem, Relation::Type type)
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{
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//kdDebug()<<k_funcinfo<<"Parent: "<<parentItem->node().name()<<" to child: "<<(childItem ? childItem->node().name() : "None")<<endl;
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if (!childItem)
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{ // shouldn't happen...
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kdError()<<k_funcinfo<<"No childItem"<<endl;
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return;
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}
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int row = parentItem->row();
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int col = parentItem->column();
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int chRow = childItem->row();
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int chCol = childItem->column();
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bool chMapped = (chRow > -1 && chCol > -1);
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//kdDebug()<<k_funcinfo<<"Parent: "<<parentItem->node().name()<<" at ("<<row<<","<<col<<"): Moving "<<childItem->node().name()<<" from: "<<chRow<<","<<chCol<<endl;
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if (type == Relation::StartStart ||
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type == Relation::FinishFinish)
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{
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// node goes into row below parent, at least same col
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if (chMapped)
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{
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m_rows.at(chRow)->at(chCol) = false;
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//kdDebug()<<k_funcinfo<<" Moving "<<childItem->node().name()<<" from: "<<chRow<<","<<chCol<<endl;
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if (chRow <= row)
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{
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chRow = row+1;
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if (chRow >= 0 && m_rows.count() <= uint(chRow)) {
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m_rows.append(new TQMemArray<bool>(1)); // make a new row
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chRow = m_rows.count()-1; // to be safe
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}
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//kdDebug()<<k_funcinfo<<" Moving "<<childItem->node().name()<<" to row: "<<chRow<<endl;
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}
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if (chCol < col)
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{
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chCol = col;
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if (chCol >= 0 && m_rows.at(chRow)->count() <= uint(chCol)) // col does not exist
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m_rows.at(chRow)->resize(chCol+1);
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//kdDebug()<<k_funcinfo<<" Moved "<<childItem->node().name()<<" to col: "<<chCol<<endl;
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}
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}
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else
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{
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if (!(m_rows.at(row+1)) || // next row does not exists
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m_rows.at(row+1)->at(col) == true) // col is not free
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{
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m_rows.append(new TQMemArray<bool>(col+1)); // make a new row
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}
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else if (col >= 0 && m_rows.at(row+1)->count() <= uint(col)) // col does not exist
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m_rows.at(row)->resize(col+1);
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chRow = m_rows.count() -1;
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chCol = col;
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}
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}
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else if (type == Relation::FinishStart)
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{
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// node goes into same row, next col if col free
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if (chMapped)
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{
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m_rows.at(chRow)->at(chCol) = false;
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if (chRow < row)
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chRow = row;
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if (chCol <= col)
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{
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chCol = col+1;
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}
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if (chCol >= 0 && m_rows.at(chRow)->count() <= uint(chCol)) // col does not exist
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m_rows.at(chRow)->resize(chCol+1);
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}
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else
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{
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++col;
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if (col >= 0 && m_rows.at(row)->count() <= uint(col))
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m_rows.at(row)->resize(col+1); // make new column
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else if (m_rows.at(row)->at(col) = true)
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m_rows.append(new TQMemArray<bool>(col+1)); // col not free, so make a new row
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chRow = m_rows.count() -1;
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chCol = col;
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}
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}
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else
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{
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kdError()<<k_funcinfo<<"Unknow relation type"<<endl;
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return;
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}
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childItem->move(this, chRow, chCol);
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}
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TQSize PertCanvas::canvasSize()
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{
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//kdDebug()<<k_funcinfo<<endl;
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TQSize s(0,0);
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TQCanvasItemList list = canvas()->allItems();
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TQCanvasItemList::Iterator it = list.begin();
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for (; it != list.end(); ++it)
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{
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TQRect r = (*it)->boundingRect();
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s.setWidth(TQMAX(s.width(), r.right()));
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s.setHeight(TQMAX(s.height(), r.bottom()));
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}
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s.setWidth(s.width()+20);
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s.setHeight(s.height()+20);
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return s;
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}
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void PertCanvas::clear()
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{
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m_nodes.clear();
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m_relations.clear();
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m_rows.clear();
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TQCanvasItemList list = canvas()->allItems();
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TQCanvasItemList::Iterator it = list.begin();
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for (; it != list.end(); ++it)
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{
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if ( *it )
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delete *it;
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}
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}
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void PertCanvas::contentsMousePressEvent ( TQMouseEvent * e )
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{
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//kdDebug()<<k_funcinfo<<" gl.X,gl.Y="<<e->globalX()<<","<<e->globalY()<<" x,y="<<e->x()<<","<<e->y()<<endl;
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switch (e->button())
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{
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case TQt::LeftButton:
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{
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break;
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}
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case TQt::RightButton:
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{
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PertNodeItem *item = selectedItem();
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if (item)
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item->setSelected(false);
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canvas()->update();
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TQCanvasItemList l = canvas()->collisions(e->pos());
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for (TQCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it)
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{
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if ( (*it)->rtti() == PertProjectItem::RTTI ||
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(*it)->rtti() == PertTaskItem::RTTI ||
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(*it)->rtti() == PertMilestoneItem::RTTI )
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{
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PertNodeItem *item = (PertNodeItem *)(*it);
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{
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item->setSelected(true);
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canvas()->update();
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emit rightButtonPressed(&(item->node()), e->globalPos());
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if (item == selectedItem()) {
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// item maybe deleted
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item->setSelected(false);
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}
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canvas()->update();
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break;
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}
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}
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}
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break;
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}
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case TQt::MidButton:
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break;
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default:
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break;
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}
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}
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void PertCanvas::contentsMouseReleaseEvent ( TQMouseEvent * e )
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{
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//kdDebug()<<k_funcinfo<<" gl.X,gl.Y="<<e->globalX()<<","<<e->globalY()<<" x,y="<<e->x()<<","<<e->y()<<endl;
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switch (e->button())
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{
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case TQt::LeftButton:
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{
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bool hit = false;
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TQCanvasItemList l = canvas()->collisions(e->pos());
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for (TQCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it)
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{
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if ( (*it)->rtti() == PertProjectItem::RTTI ||
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(*it)->rtti() == PertTaskItem::RTTI ||
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(*it)->rtti() == PertMilestoneItem::RTTI )
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{
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hit = true;
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PertNodeItem *item = (PertNodeItem *)(*it);
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PertNodeItem *par = selectedItem();
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if ( !par)
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{
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//kdDebug()<<k_funcinfo<<" First node="<<item->node().name()<<endl;
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item->setSelected(true);
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canvas()->update();
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return;
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}
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par->setSelected(false);
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if (&(item->node()) == &(par->node()))
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{
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break;
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}
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//kdDebug()<<k_funcinfo<<" Second node="<<item->node().name()<<endl;
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// open relation dialog
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if (!par->node().legalToLink(&(item->node()))) {
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KMessageBox::sorry(this, i18n("Cannot link these nodes"));
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} else {
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Relation *rel = item->node().findRelation(&(par->node()));
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if (rel)
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emit modifyRelation(rel);
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else
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emit addRelation(&(par->node()), &(item->node()));
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}
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break;
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}
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}
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if (!hit) {
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PertNodeItem *i = selectedItem();
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if (i) i->setSelected(false);
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}
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canvas()->update();
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break;
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}
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case TQt::RightButton:
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{
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break;
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}
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case TQt::MidButton:
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break;
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default:
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break;
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}
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}
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PertNodeItem *PertCanvas::selectedItem()
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{
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TQCanvasItemList list = canvas()->allItems();
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TQCanvasItemList::Iterator it = list.begin();
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for (; it != list.end(); ++it)
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{
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if ( (*it)->isSelected() )
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{
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if ( (*it)->rtti() == PertProjectItem::RTTI ||
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(*it)->rtti() == PertTaskItem::RTTI ||
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(*it)->rtti() == PertMilestoneItem::RTTI )
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return (PertNodeItem *)(*it);
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}
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}
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return 0;
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}
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Node *PertCanvas::selectedNode() {
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return selectedItem() ? &(selectedItem()->node()) : 0;
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}
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#ifndef NDEBUG
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void PertCanvas::printDebug( int /*info*/ )
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{
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}
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#endif
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} //KPlato namespace
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#include "kptpertcanvas.moc"
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