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tdewebdev/kommander/widgets/table.cpp

374 lines
12 KiB

/***************************************************************************
table.cpp - Table widget
-------------------
copyright : (C) 2004 Michal Rudolf <mrudolf@kdewebdev.org>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/* KDE INCLUDES */
#include <klocale.h>
#include <kglobal.h>
#include <kmessagebox.h>
/* QT INCLUDES */
#include <qmetaobject.h>
#include <qstring.h>
#include <qwidget.h>
#include <qstringlist.h>
#include <qpoint.h>
/* OTHER INCLUDES */
#include "kommanderplugin.h"
#include "specials.h"
#include "table.h"
enum Functions {
FirstFunction = 365,
TBL_sortColumnExtra,
TBL_keepCellVisible,
TBL_selectCells,
TBL_selectRow,
TBL_selectColumn,
TBL_setColumnReadOnly,
TBL_setRowReadOnly,
TBL_rowCount,
TBL_colHeader,
TBL_rowHeader,
LastFunction
};
Table::Table(QWidget *a_parent, const char *a_name)
: QTable(a_parent, a_name), KommanderWidget(this)
{
QStringList states;
states << "default";
setStates(states);
setDisplayStates(states);
KommanderPlugin::setDefaultGroup(Group::DCOP);
KommanderPlugin::registerFunction(TBL_sortColumnExtra, "sortColumnExtra(QString widget, int col, bool ascending, bool wholeRows)", i18n("Sets a column to sort ascending or descending. Optionally can sort with rows intact for database use."), 2, 4);
KommanderPlugin::registerFunction(TBL_keepCellVisible, "keepCellVisible(QString widget, int row, int col)", i18n("Scrolls the table so the cell indicated is visible."), 3);
KommanderPlugin::registerFunction(TBL_selectCells, "selectCells(QString widget, int row, int col, int row, int col)", i18n("Select cells using the upper left and lower right cell addresses<br /><b>Not guaranteed to have KDE4 compatiblility</b>"), 5);
KommanderPlugin::registerFunction(TBL_selectRow, "selectRow(QString widget, int row)", i18n("Select the row with the zero based index."), 2);
KommanderPlugin::registerFunction(TBL_selectColumn, "selectColumn(QString widget, int col)", i18n("Select the column with the zero based index.<br /><b>Not guaranteed to have KDE4 compatiblility</b>"), 2);
KommanderPlugin::registerFunction(TBL_setColumnReadOnly, "setColumnReadOnly(QString widget, int col, bool Readonly)", i18n("Set the column read only using zero based index.<br /><b>Not guaranteed to have KDE4 compatiblility</b>"), 3);
KommanderPlugin::registerFunction(TBL_setRowReadOnly, "setRowReadOnly(QString widget, int row, bool Readonly)", i18n("Set the row read only using zero based index.<br /><b>Not guaranteed to have KDE4 compatiblility</b>"), 3);
KommanderPlugin::registerFunction(TBL_rowCount, "rowCount(QString widget)", i18n("Returns the number of rows of the table"), 1);
KommanderPlugin::registerFunction(TBL_colHeader, "columnHeader(QString widget, int Column)", i18n("Returns the text of the header for the column index"), 2);
KommanderPlugin::registerFunction(TBL_rowHeader, "rowHeader(QString widget, int Row)", i18n("Returns the text of the header for the row index"), 2);
}
Table::~Table()
{
}
QString Table::currentState() const
{
return QString("default");
}
bool Table::isKommanderWidget() const
{
return true;
}
QStringList Table::associatedText() const
{
return KommanderWidget::associatedText();
}
void Table::setAssociatedText(const QStringList& a_at)
{
KommanderWidget::setAssociatedText(a_at);
}
void Table::setPopulationText(const QString& a_text)
{
KommanderWidget::setPopulationText(a_text);
}
QString Table::populationText() const
{
return KommanderWidget::populationText();
}
void Table::populate()
{
setWidgetText(KommanderWidget::evalAssociatedText( populationText()));
}
void Table::setWidgetText(const QString&)
{
}
QString Table::selectedArea()
{
QTableSelection sel = selection(currentSelection());
return QString("%1,%2,%3,%4").arg(sel.topRow()).arg(sel.leftCol()).arg(sel.bottomRow()).arg(sel.rightCol());
}
bool Table::isFunctionSupported(int f)
{
return f == DCOP::currentColumn || f == DCOP::currentRow || f == DCOP::insertColumn ||
f == DCOP::insertRow || f == DCOP::cellText || f == DCOP::setCellText || f == DCOP::setCellWidget || f == DCOP::cellWidget || f == DCOP::columnCount ||
f == DCOP::removeRow || f == DCOP::removeColumn || f == DCOP::setColumnCaption ||
f == DCOP::setRowCaption || f == DCOP::text || f == DCOP::setText || f == DCOP::selection || f == DCOP::geometry || f == DCOP::hasFocus || f == DCOP::getBackgroundColor || f == DCOP::setBackgroundColor || (f >= FirstFunction && f <= LastFunction);
}
void Table::setCellWidget(int row, int col, const QString & _widgetName)
{
KommanderWidget *w = widgetByName(_widgetName);
if (w)
{
QWidget *widget = static_cast<QWidget*>(w->object());
if (QTable::cellWidget(row, col) != widget)
{
setCurrentCell(-1, -1); //hack to not delete the cellwidget after clicking away to another cell.
//I don't know why it does so, but without this on a click to another cell calls endEdit, which calls
//clearCellWidget, all this before the currentChanged signal is emitted.
//this hack does ugly things once table starts scrolling - let's try to minize damage
//we should have a way to test doe cellWidget looses focus and send it right or down too
QTable::ensureCellVisible(row, col);
clearCellWidget(row, col);
QTable::setCellWidget(row, col, widget);
}
} else
clearCellWidget(row, col);
}
QString Table::cellWidget(int row, int col)
{
QWidget *widget = QTable::cellWidget(row, col);
if (widget)
{
KommanderWidget *w = widgetByName(widget->name());
if (w)
return widget->name();
}
return QString();
}
void Table::setCellText(int row, int col, const QString& text)
{
QWidget *widget = QTable::cellWidget(row, col);
if (widget)
{
KommanderWidget *w = widgetByName(widget->name());
if (w)
widget->reparent(parentDialog(), QPoint(0,0));
}
setText(row, col, text);
endEdit(row, col, false, false);
}
void Table::clearCellWidget(int row, int col)
{
QTable::clearCellWidget(row, col); //just for debugging
}
void Table::contextMenuEvent( QContextMenuEvent * e )
{
e->accept();
QPoint p = e->globalPos();
emit contextMenuRequested(p.x(), p.y());
}
void Table::columnClicked(int col)
{
emit columnHeaderClicked(col);
static bool ascending = TRUE;
if (!sorting()) return;
ascending=!ascending;
sortColumn( col, ascending, TRUE);
}
QString Table::handleDCOP(int function, const QStringList& args)
{
switch (function)
{
case DCOP::cellText:
return text(args[0].toInt(), args[1].toInt());
case DCOP::setCellText:
if (numRows() >= args[0].toInt() && numCols() >+ args[1].toInt())
setCellText(args[0].toInt(), args[1].toInt(), args[2]);
break;
case DCOP::setCellWidget:
if (numRows() >= args[0].toInt() && numCols() >+ args[1].toInt())
setCellWidget(args[0].toInt(), args[1].toInt(), args[2]);
break;
case DCOP::cellWidget:
return cellWidget(args[0].toInt(), args[1].toInt());
break;
case DCOP::insertRow:
insertRows(args[0].toInt(), args.count() == 1 ? 1 : args[1].toInt());
break;
case DCOP::insertColumn:
insertColumns(args[0].toInt(), args.count() == 1 ? 1 : args[1].toInt());
break;
case DCOP::currentColumn:
return QString::number(currentColumn());
case DCOP::currentRow:
return QString::number(currentRow());
case DCOP::columnCount:
return QString::number(numCols());
break;
case DCOP::removeColumn:
if (numCols() >= args[0].toInt())
{
if (!args[1].toInt())
removeColumn(args[0].toInt());
else
{
int column = args[0].toInt();
int lines = args[1].toInt();
for (int i = 0; i < lines; i++)
removeColumn(column);
}
break;
}
case TBL_rowCount:
return QString::number(numRows());
break;
case DCOP::removeRow:
{
int row = args[0].toInt();
int lines = args[1].toInt();
for (int i = 0; i < lines; i++)
removeRow(row);
break;
}
case DCOP::setColumnCaption:
if (numCols() >= args[0].toInt())
horizontalHeader()->setLabel(args[0].toInt(), args[1]);
break;
case DCOP::setRowCaption:
if (numRows() >= args[0].toInt())
verticalHeader()->setLabel(args[0].toInt(), args[1]);
break;
case DCOP::text:
{
QString rows;
for (int r = 0; r < numRows(); r++)
{
QString row;
for (int c = 0; c < numCols(); c++)
{
if (c)
row += '\t';
row += text(r,c);
}
if (r)
rows += '\n';
rows += row;
}
return rows;
}
case DCOP::setText:
{
int r = 0, c = 0;
setNumCols(0);
setNumRows(0);
QStringList rows;
QStringList row;
rows = QStringList::split("\n", args[0], true);
setNumRows(rows.count());
for (QStringList::Iterator it = rows.begin(); it != rows.end(); ++it, ++r)
{
row = QStringList::split("\t", *it, true);
if (!r)
setNumCols(row.count());
c = 0;
for (QStringList::Iterator itr = row.begin(); itr != row.end(); ++itr, ++c)
setText(r, c, *itr);
}
break;
}
case DCOP::selection:
return selectedArea();
break;
case DCOP::getBackgroundColor:
return this->paletteBackgroundColor().name();
break;
case DCOP::setBackgroundColor:
{
QColor color;
color.setNamedColor(args[0]);
this->setPaletteBackgroundColor(color);
break;
}
case TBL_sortColumnExtra:
if (numCols() >= args[0].toInt())
QTable::sortColumn(args[0].toInt(), args[1].toInt(), args[2].toInt());
break;
case TBL_keepCellVisible:
if (numRows() >= args[0].toInt() && numCols() >+ args[1].toInt())
QTable::ensureCellVisible(args[0].toInt()-1, args[1].toInt()-1);
break;
case TBL_selectCells:
if (numRows() >= args[0].toInt() && numCols() >+ args[1].toInt() && numRows() >= args[2].toInt() && numCols() >+ args[3].toInt())
QTable::selectCells (args[0].toInt(), args[1].toInt(), args[2].toInt(), args[3].toInt());
break;
case TBL_selectRow:
if (numRows() >= args[0].toInt())
QTable::selectRow (args[0].toInt());
break;
case TBL_selectColumn:
if (numCols() >= args[0].toInt())
QTable::selectColumn (args[0].toInt());
break;
case TBL_setColumnReadOnly:
if (numCols() >= args[0].toInt())
QTable::setColumnReadOnly (args[0].toInt(), args[1].toUInt());
break;
case TBL_setRowReadOnly:
if (numRows() >= args[0].toInt())
QTable::setRowReadOnly (args[0].toInt(), args[1].toUInt());
break;
case TBL_colHeader:
{
QHeader* hdr = QTable::horizontalHeader();
if (numCols() >= args[0].toInt())
return hdr->label(args[0].toInt());
else
return "No column at index "+args[0];
break;
}
case TBL_rowHeader:
{
QHeader* hdr = QTable::verticalHeader();
if (numRows() >= args[0].toInt())
return hdr->label(args[0].toInt());
else
return "No row at index "+args[0];
break;
}
case DCOP::geometry:
{
QString geo = QString::number(this->x())+" "+QString::number(this->y())+" "+QString::number(this->width())+" "+QString::number(this->height());
return geo;
break;
}
case DCOP::hasFocus:
return QString::number(this->hasFocus());
break;
default:
return KommanderWidget::handleDCOP(function, args);
}
return QString();
}
#include "table.moc"