#include "vymview.h"

 #include <iostream>

 using namespace std;

 #include "linkablemapobj.h"

 #include "mainwindow.h"

 #include "mapeditor.h"

 extern Main *mainWindow;

 VymView::VymView(VymModel *m)

 {

 	model=m;

 	// Create TreeView

 	treeview=new QTreeView;

 	treeview->setModel ((QAbstractItemModel*)model);

 	//treeview->setMinimumWidth (50);

 	treeview->setColumnWidth (0,350);

 	selModel=treeview->selectionModel();

 	model->setSelectionModel (selModel);

 	connect (

 		selModel, SIGNAL (selectionChanged(const QItemSelection &, const QItemSelection &)), 

 		this,SLOT (changeSelection(const QItemSelection &,const QItemSelection &)));

 	// Create good old MapEditor

 	mapEditor=model->getMapEditor();

 	if (!mapEditor) mapEditor=new MapEditor (model);

 	connect (

 		selModel, SIGNAL (selectionChanged(const QItemSelection &, const QItemSelection &)), 

 		mapEditor,SLOT (updateSelection(const QItemSelection &,const QItemSelection &)));

 		/*

 	connect (

 		selModel, SIGNAL (currentChanged(const QModelIndex &, const QModelIndex &)), 

 		me,SLOT (updateCurrent(const QModelIndex &,const QModelIndex &)));

 		*/

 		/*

 */

 	connect (

 		model, SIGNAL (dataChanged(const QModelIndex &, const QModelIndex &)), 

 		mapEditor,SLOT (updateData(const QModelIndex &) ) );

 	// VymModel may want to update selection or other data, e.g. during animation

 	connect (

 		model, SIGNAL (selectionChanged(const QItemSelection &, const QItemSelection &)), 

 		mapEditor,SLOT (updateSelection(const QItemSelection &,const QItemSelection &)));

 		/*

 	connect (

 		model, SIGNAL (newChildObject(QModelIndex) ),

 		this,SLOT (updateChilds (QModelIndex) ) );

 */

 	connect (

 		model, SIGNAL (noteHasChanged(QModelIndex) ),

 		mainWindow, SLOT (updateNoteEditor (QModelIndex) ) );

 	connect (

 		model, SIGNAL (expandAll() ),

 		this, SLOT (expandAll () ) );

 	connect (

 		model, SIGNAL (showSelection() ),

 		this, SLOT (showSelection() ) );

 	//mapEditor->viewport()->setFocus();	//FIXmapEditor-3 needed?

 	mapEditor->setAntiAlias (mainWindow->isAliased());

 	mapEditor->setSmoothPixmap(mainWindow->hasSmoothPixmapTransform());

 	addWidget (treeview);

 	addWidget (mapEditor);

 	// Set geometry

 	QList <int> widths;

 	widths<<120;

 	widths<<600;

 	setSizes(widths);

 }

 QItemSelectionModel* VymView::selectionModel() 

 {

 	if (treeview) 

 		return selModel;

 	else 

 		std::cout <<"VymView::selectionModel: hey, no treeview so far???\n";

 	return NULL;

 }

 void VymView::updateChilds (QModelIndex ix)		//FIXME-4 not needed?

 {

 	cout << "VV::updateChilds \n";

 	//treeview->setExpanded (ix,true);	// This is expensive...

 }

 void VymView::changeSelection (const QItemSelection &newsel, const QItemSelection &oldsel)

 {

 	/*

 	cout <<"VymView::changeSelection (";

 	if (!newsel.indexes().isEmpty() )

 		cout << model->getItem(newsel.indexes().first() )->getHeading().toStdString();

 	cout << " <- ";

 	if (!oldsel.indexes().isEmpty() )

 		cout << model->getItem(oldsel.indexes().first() )->getHeading().toStdString();

 	cout << ")\n";

 	*/

 	// Notify mainwindow to update satellites like NoteEditor, if needed (model==currenModel...)

 	mainWindow->changeSelection (model,newsel,oldsel);	// FIXME-3 maybe connect VymModel <-> MainWindow directly?

 }

 void VymView::expandAll()

 {

 	treeview->expandAll();

 }

 void VymView::showSelection()

 {

 	treeview->scrollTo(

 		model->getSelectedIndex(), 

 		//QAbstractItemView::PositionAtCenter   

 		QAbstractItemView::EnsureVisible

 	);

 	LinkableMapObj* lmo=model->getSelectedLMO();

 	if (lmo)

 		mapEditor->ensureVisible(lmo->getBBox() );

 }