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/***************************************************************************
* Copyright (C) 2004-2005 by David Saxton *
* david@bluehaze.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. *
***************************************************************************/
#include "canvasmanipulator.h"
#include "documentiface.h"
#include "drawpart.h"
#include "itemlibrary.h"
#include "mechanicsdocument.h"
#include "mechanicsitem.h"
#include "mechanicsgroup.h"
#include "mechanicssimulation.h"
#include "mechanicsview.h"
#include <klocale.h>
MechanicsDocument::MechanicsDocument( const QString &caption, KTechlab *ktechlab, const char *name )
: ItemDocument( caption, ktechlab, name )
{
m_type = Document::dt_mechanics;
m_pDocumentIface = new MechanicsDocumentIface(this);
m_fileExtensionInfo = i18n("*.mechanics|Mechanics (*.mechanics)\n*|All Files");
m_canvas->retune(128);
m_selectList = new MechanicsGroup(this);
m_cmManager->addManipulatorInfo( CMSelect::manipulatorInfo() );
m_cmManager->addManipulatorInfo( CMDraw::manipulatorInfo() );
m_cmManager->addManipulatorInfo( CMRightClick::manipulatorInfo() );
m_cmManager->addManipulatorInfo( CMRepeatedItemAdd::manipulatorInfo() );
m_cmManager->addManipulatorInfo( CMItemResize::manipulatorInfo() );
m_cmManager->addManipulatorInfo( CMMechItemMove::manipulatorInfo() );
m_mechanicsSimulation = new MechanicsSimulation(this);
requestStateSave();
}
MechanicsDocument::~MechanicsDocument()
{
m_bDeleted = true;
// Remove all items from the canvas
selectAll();
deleteSelection();
delete m_mechanicsSimulation;
}
View *MechanicsDocument::createView( ViewContainer *viewContainer, uint viewAreaId, const char *name )
{
ItemView *itemView = new MechanicsView( this, viewContainer, viewAreaId, name );
handleNewView(itemView);
return itemView;
}
ItemGroup *MechanicsDocument::selectList() const
{
return m_selectList;
}
bool MechanicsDocument::isValidItem( const QString &itemId )
{
return itemId.startsWith("mech/") || itemId.startsWith("dp/");
}
bool MechanicsDocument::isValidItem( Item *item )
{
return item && ((dynamic_cast<MechanicsItem*>(item)) || (dynamic_cast<DrawPart*>(item)));
}
Item* MechanicsDocument::addItem( const QString &id, const QPoint &p, bool newItem )
{
if ( !isValidItem(id) )
return 0l;
Item *item = itemLibrary()->createItem( id, this, newItem );
if (!item)
return 0L;
QRect rect = item->boundingRect();
int dx = (int)(p.x())-rect.width()/2;
int dy = (int)(p.y())-rect.height()/2;
if ( dx < 16 || dx > canvas()->width() ) dx = 16;
if ( dy < 16 || dy > canvas()->height() ) dy = 16;
item->move( dx, dy );
item->show();
registerItem(item);
// setModified(true);
requestStateSave();
return item;
}
void MechanicsDocument::deleteSelection()
{
// End whatever editing mode we are in, as we don't want to start editing
// something that is about to no longer exist...
m_cmManager->cancelCurrentManipulation();
if ( m_selectList->isEmpty() )
return;
// We nee to tell the selete items to remove themselves, and then
// pass the items that have add themselves to the delete list to the
// CommandAddItems command
m_selectList->deleteAllItems();
flushDeleteList();
setModified(true);
// We need to emit this so that property widgets etc...
// can clear themselves.
emit itemUnselected(0L);
requestStateSave();
}
bool MechanicsDocument::registerItem( QCanvasItem *qcanvasItem )
{
return ItemDocument::registerItem(qcanvasItem);
}
void MechanicsDocument::appendDeleteList( QCanvasItem *qcanvasItem )
{
MechanicsItem *mechItem = dynamic_cast<MechanicsItem*>(qcanvasItem);
if ( !mechItem || m_itemDeleteList.contains(mechItem) ) {
return;
}
m_itemDeleteList.append(mechItem);
m_itemList.remove(mechItem);
disconnect( mechItem, SIGNAL(selected(Item*,bool)), this, SIGNAL(itemSelected(Item*)) );
disconnect( mechItem, SIGNAL(unselected(Item*,bool)), this, SIGNAL(itemUnselected(Item*)) );
mechItem->removeItem();
}
void MechanicsDocument::flushDeleteList()
{
// Remove duplicate items in the delete list
ItemList::iterator end = m_itemDeleteList.end();
for ( ItemList::iterator it = m_itemDeleteList.begin(); it != end; ++it )
{
if ( *it && m_itemDeleteList.contains(*it) > 1 )
*it = 0l;
}
m_itemDeleteList.remove(QGuardedPtr<Item>(0l));
end = m_itemDeleteList.end();
for ( ItemList::iterator it = m_itemDeleteList.begin(); it != end; ++it )
{
m_itemList.remove(*it);
(*it)->setCanvas(0l);
delete *it;
}
}
MechanicsItem* MechanicsDocument::mechanicsItemWithID( const QString &id )
{
return dynamic_cast<MechanicsItem*>(itemWithID(id));
}
void MechanicsDocument::selectAll()
{
const ItemList::iterator end = m_itemList.end();
for ( ItemList::iterator it = m_itemList.begin(); it != end; ++it )
{
select(*it);
}
}
void MechanicsDocument::copy()
{
}
#include "mechanicsdocument.moc"
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