#include "vymview.h"

#include <iostream>

using namespace std;

#include "mainwindow.h"

#include "mapeditor.h"

#include "treeeditor.h"

extern Main *mainWindow;

VymView::VymView(VymModel *m)

{

	model=m;

	// Create TreeView

	treeEditor=new TreeEditor (model);

	//treeEditor->setModel ((QAbstractItemModel*)model);

	//treeEditor->setMinimumWidth (50);

	treeEditor->setColumnWidth (0,150);

	treeEditor->setAnimated (true);

	proxySelModel=treeEditor->selectionModel();

	selModel=new QItemSelectionModel (model);

	//model->setSelectionModel (proxySelModel);

	model->setSelectionModel (selModel);

	// Create good old MapEditor

	mapEditor=model->getMapEditor();

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

	// Connect selections

		// Proxymodel changed

		connect (

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

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

		// Model changed	

		connect (

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

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

		connect (

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

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

			//FIXME-3 above and below necessary???

		connect (

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

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

	// Connect data changed signals	

	connect (

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

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

	connect (

		model, SIGNAL (sortFilterChanged (const QString &)),

		treeEditor, SLOT (setSortFilter (const QString &) ) );

	connect (

		model, SIGNAL (noteHasChanged(QModelIndex) ),

		mainWindow, SLOT (updateNoteEditor (QModelIndex) ) );

	connect (

		model, SIGNAL (expandAll() ),

		this, SLOT (expandAll () ) );

	connect (

		model, SIGNAL (showSelection() ),

		this, SLOT (showSelection() ) );

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

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

	addWidget (treeEditor);

	addWidget (mapEditor);

	// Set geometry

	QList <int> widths;

	widths<<200;

	widths<<600;

	setSizes(widths);

}

VymView::~VymView()

{

	//cout << "Destructor VymView\n";

}

VymModel* VymView::getModel()

{

	return model;

}

MapEditor* VymView::getMapEditor()

{

	return mapEditor;

}

void VymView::initFocus()

{

	mapEditor->setFocus();

}

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

{

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

	mainWindow->changeSelection (model,newsel,oldsel);	// FIXME-5 maybe connect VymModel <-> MainWindow directly?

	// would require to also get current model in mainWindow

	proxySelModel->select (

		treeEditor->getProxyModel()->mapSelectionFromSource (newsel),

		QItemSelectionModel::ClearAndSelect );

	showSelection();

}

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

{

	// Notify mainwindow to update satellites, but map selection to 

	// original model first

	// Re-emit but map selection first

	selModel->select (treeEditor->getProxyModel()->mapSelectionToSource (newsel),

		QItemSelectionModel::ClearAndSelect );

	//showSelection();

}

void VymView::expandAll()

{

	treeEditor->expandAll();

}

void VymView::showSelection()

{

	QModelIndex ix=model->getSelectedIndex();

	treeEditor->scrollTo( ix, QAbstractItemView::EnsureVisible);

	mapEditor->scrollTo ( ix);

}