File indexing completed on 2024-05-12 16:36:07

 /* This file is part of the KDE project
    Copyright 2008 Stefan Nikolaus <stefan.nikolaus@kdemail.net>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "DragAndDropStrategy.h"
 
 #include "Cell.h"
 #include "calligra_sheets_limits.h"
 #include "Selection.h"
 #include "Sheet.h"
 #include "CellToolBase.h"
 
 #include <KoCanvasBase.h>
 #include <KoToolBase.h>
 #include <KoShape.h>
 #include <KoSelection.h>
 #include <KoShapeManager.h>
 
 #include <QBuffer>
 #include <QDomDocument>
 #include <QDrag>
 #include <QMimeData>
 #include <QTextStream>
 
 #include "commands/CopyCommand.h"
 
 using namespace Calligra::Sheets;
 
 class Q_DECL_HIDDEN DragAndDropStrategy::Private
 {
 public:
     Private() : started(false) { }
 
     Cell cell;
     QPointF lastPoint;
     bool started;
 };
 
 DragAndDropStrategy::DragAndDropStrategy(CellToolBase *cellTool,
         const QPointF &documentPos, Qt::KeyboardModifiers modifiers)
         : AbstractSelectionStrategy(cellTool, documentPos, modifiers)
         , d(new Private)
 {
     d->lastPoint = documentPos;
     Selection *const selection = this->selection();
     //const KoShape *shape = tool()->canvas()->shapeManager()->selection()->firstSelectedShape();
     const QPointF position = documentPos /*- (shape ? shape->position() : QPointF(0.0, 0.0))*/;
 
     // In which cell did the user click?
     qreal xpos;
     qreal ypos;
     int col = selection->activeSheet()->leftColumn(position.x(), xpos);
     int row = selection->activeSheet()->topRow(position.y(), ypos);
     // Check boundaries.
     if (col > KS_colMax || row > KS_rowMax) {
         debugSheetsUI << "col or row is out of range:" << "col:" << col << " row:" << row;
     } else {
         d->cell = Cell(selection->activeSheet(), col, row);
     }
 }
 
 DragAndDropStrategy::~DragAndDropStrategy()
 {
     delete d;
 }
 
 void DragAndDropStrategy::handleMouseMove(const QPointF& documentPos, Qt::KeyboardModifiers modifiers)
 {
     Q_UNUSED(modifiers);
     if (d->started)
         return;
     const QPointF position = documentPos - cellTool()->offset();
     d->lastPoint = position;
 
     // In which cell did the user click?
     qreal xpos;
     qreal ypos;
     int col = selection()->activeSheet()->leftColumn(position.x(), xpos);
     int row = selection()->activeSheet()->topRow(position.y(), ypos);
     // Check boundaries.
     if (col > KS_colMax || row > KS_rowMax) {
         debugSheetsUI << "col or row is out of range:" << "col:" << col << " row:" << row;
     } else if (d->cell == Cell(selection()->activeSheet(), col, row)) {
     } else {
         QDomDocument doc = CopyCommand::saveAsXml(*selection(), true);
 
         // Save to buffer
         QBuffer buffer;
         buffer.open(QIODevice::WriteOnly);
         QTextStream str(&buffer);
         str.setCodec("UTF-8");
         str << doc;
         buffer.close();
 
         QMimeData* mimeData = new QMimeData();
         mimeData->setText(CopyCommand::saveAsPlainText(*selection()));
         mimeData->setData("application/x-kspread-snippet", buffer.buffer());
 
         QDrag *drag = new QDrag(tool()->canvas()->canvasWidget());
         drag->setMimeData(mimeData);
         drag->exec();
         d->started = true;
     }
 }
 
 KUndo2Command* DragAndDropStrategy::createCommand()
 {
     //const KoShape *shape = tool()->canvas()->shapeManager()->selection()->firstSelectedShape();
     const QPointF position = d->lastPoint /*- (shape ? shape->position() : QPointF(0.0, 0.0))*/;
 
     // In which cell did the user click?
     qreal xpos;
     qreal ypos;
     int col = selection()->activeSheet()->leftColumn(position.x(), xpos);
     int row = selection()->activeSheet()->topRow(position.y(), ypos);
     // Check boundaries.
     if (col > KS_colMax || row > KS_rowMax) {
         debugSheetsUI << "col or row is out of range:" << "col:" << col << " row:" << row;
     } else if (d->cell == Cell(selection()->activeSheet(), col, row)) {
         selection()->initialize(QPoint(col, row), selection()->activeSheet());
     }
     return 0;
 }
 
 bool DragAndDropStrategy::dragStarted() const
 {
     return d->started;
 }