1 files changed, 197 insertions, 0 deletions
diff --git a/src/mechanics/mechanicsdocument.cpp b/src/mechanics/mechanicsdocument.cpp
new file mode 100644
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+++ b/src/mechanics/mechanicsdocument.cpp
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+/***************************************************************************
+ *   Copyright (C) 2004-2005 by David Saxton                               *
+ *   [email protected]                                                    *
+ *                                                                         *
+ *   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"