void CreateFileCommand::createFile()
{
setText(createCommandString("create", m_fileName));
QFile file(m_fileName);
file.open(QIODevice::WriteOnly);
file.close();
}
//! [2]
void MoveCommand::undo()
{
myDiagramItem->setPos(myOldPos);
myDiagramItem->scene()->update();
setText(QObject::tr("Move %1")
.arg(createCommandString(myDiagramItem, newPos)));
}
//! [4]
DeleteCommand::DeleteCommand(QGraphicsScene *scene, QUndoCommand *parent)
: QUndoCommand(parent)
{
myGraphicsScene = scene;
QList<QGraphicsItem *> list = myGraphicsScene->selectedItems();
list.first()->setSelected(false);
myDiagramItem = static_cast<DiagramItem *>(list.first());
setText(QObject::tr("Delete %1")
.arg(createCommandString(myDiagramItem, myDiagramItem->pos())));
}
AddCommand::AddCommand( Report::PageInterface* page, const QString & itemClassName, QPointF pos, mainWindow* mw )
{
m_mainWindow = mw;
m_pos = pos;
m_itemClassName = itemClassName;
m_pageName = mw->m_tw->tabText( mw->m_tw->currentIndex() );
setText( QObject::tr( "Add %1" )
.arg( createCommandString( itemClassName, m_pos ) ) );
m_canUndo=true;
}
MoveCommand::MoveCommand( Report::ItemInterface *item, const QPointF &oldPos, mainWindow* mw )
{
m_mainWindow = mw;
m_newPos = dynamic_cast<Report::ItemInterface *>( item )->pos();
m_oldPos = oldPos;
m_itemName = item->objectName();
m_pageName = mw->m_tw->tabText( mw->m_tw->currentIndex() );
const char * itemClassName = dynamic_cast<Report::ItemInterface*>( item )->metaObject()->className();
setText( QObject::tr( "Move %1" )
.arg( createCommandString( itemClassName, m_newPos ) ) );
}
AddCommand::AddCommand(DiagramItem::DiagramType addType,
QGraphicsScene *scene, QUndoCommand *parent)
: QUndoCommand(parent)
{
static int itemCount = 0;
myGraphicsScene = scene;
myDiagramItem = new DiagramItem(addType);
initialPosition = QPointF((itemCount * 15) % int(scene->width()),
(itemCount * 15) % int(scene->height()));
scene->update();
++itemCount;
setText(QObject::tr("Add %1")
.arg(createCommandString(myDiagramItem, initialPosition)));
}
//! [1]
bool MoveCommand::mergeWith(const QUndoCommand *command)
{
const MoveCommand *moveCommand = static_cast<const MoveCommand *>(command);
DiagramItem *item = moveCommand->myDiagramItem;
if (myDiagramItem != item)
return false;
newPos = item->pos();
setText(QObject::tr("Move %1")
.arg(createCommandString(myDiagramItem, newPos)));
return true;
}
DelCommand::DelCommand( Report::ItemInterface* item, mainWindow* mw )
{
m_mainWindow = mw;
m_parentName = dynamic_cast<Report::ItemInterface*>( item->parent() ) ? dynamic_cast<Report::ItemInterface*>( item->parent() )->objectName() : QString();
m_itemName = item->objectName();
// m_page = dynamic_cast<Report::PageInterface*>((item)->scene());
m_pageName = mw->m_tw->tabText( mw->m_tw->currentIndex() );
QDomDocument doc;
doc.appendChild( mw->m_reportEngine.objectProperties(( QObject * )item, &doc ) );
m_domObject = doc.toString( 0 );
const char* itemClassName = item->metaObject()->className();
setText( QObject::tr( "Delete %1" )
.arg( createCommandString( itemClassName, item->pos() ) ) );
}
//! [3]
void MoveCommand::redo()
{
myDiagramItem->setPos(newPos);
setText(QObject::tr("Move %1")
.arg(createCommandString(myDiagramItem, newPos)));
}
void CreateFileCommand::removeFile()
{
setText(createCommandString("remove", m_fileName));
QFile::remove(m_fileName);
}
