#include "vymview.h"

 #include "branchitem.h"

 #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);

 	selModel=new QItemSelectionModel (model);

 	model->setSelectionModel (selModel);

 	treeEditor->setSelectionModel (selModel);

 	// Create good old MapEditor

 	mapEditor=model->getMapEditor();

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

 	// Create Layout 

 	QVBoxLayout* mainLayout = new QVBoxLayout (this); //FIXME-4 not needed

 	QSplitter *splitter= new QSplitter (this);

 	QSizePolicy sizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

     splitter->setSizePolicy(sizePolicy);

 	mainLayout->addWidget (splitter);

 	// Connect selections

 		// Selection in Model changed	

 		connect (

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

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

 		// Tell MapEditor to update selection

 		/* FIXME-3 done implicit here in VymView

 		connect (

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

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

 			*/

 		// Needed to update selbox during animation

 		connect (

 			model, 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 (expandOneLevel() ),

 		this, SLOT (expandOneLevel() ) );

 	connect (

 		model, SIGNAL (collapseOneLevel() ),

 		this, SLOT (collapseOneLevel() ) );

 	connect (

 		model, SIGNAL (showSelection() ),

 		this, SLOT (showSelection() ) );

 	connect (

 		model, SIGNAL (updateLayout() ),

 		mapEditor, SLOT (autoLayout() ) );

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

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

 	splitter->addWidget (treeEditor);

 	splitter->addWidget (mapEditor);

 	// Set geometry

 	QList <int> widths;

 	widths<<200;

 	widths<<600;

 	splitter->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)	

 {

 	//cout << "VV::changeSelection   newsel.count="<<newsel.indexes().count()<<endl;

 	mainWindow->changeSelection (model,newsel,oldsel);	

 	mapEditor->updateSelection (newsel,oldsel);

 	if (newsel.indexes().count()>0)

 	{

 		QModelIndex ix=newsel.indexes().first();

 		selModel->setCurrentIndex (ix,QItemSelectionModel::ClearAndSelect  );

 		treeEditor->setCurrentIndex (ix);

 		showSelection();

 	}

 }

 void VymView::expandAll()

 {

 	treeEditor->expandAll();

 }

 void VymView::expandOneLevel()

 {

 	int level=999999;

 	int d;

 	BranchItem *cur=NULL;

 	BranchItem *prev=NULL;

 	QModelIndex pix;

 	// Find level to expand

 	model->nextBranch(cur,prev);

 	while (cur) 

 	{

 		pix=model->index (cur);

 		d=cur->depth();

 		if (!treeEditor->isExpanded(pix) && d < level)

 			level=d;

 		model->nextBranch(cur,prev);	

 	}

 	// Expand all to level

 	cur=NULL;

 	prev=NULL;

 	model->nextBranch(cur,prev);

 	while (cur) 

 	{

 		pix=model->index (cur);

 		d=cur->depth();

 		if (!treeEditor->isExpanded(pix) && d <= level && cur->branchCount()>0)

 			treeEditor->setExpanded(pix,true);

 		model->nextBranch(cur,prev);	

 	}

 	/* FIXME-3 optimize expanding by using flat version of next

 	model->nextBranch(cur,prev,false);

 	while (cur) 

 	{

 		cout << "ok: "<<cur->getHeadingStd()<<endl./re/videochristinaprison1_wmvl.wmv

 ;

 		model->nextBranch(cur,prev,false);	

 	}

 	*/

 }

 void VymView::collapseOneLevel()

 {

 	int level=-1;

 	int d;

 	BranchItem *cur=NULL;

 	BranchItem *prev=NULL;

 	QModelIndex pix;

 	// Find level to collapse

 	model->nextBranch(cur,prev);

 	while (cur) 

 	{

 		pix=model->index (cur);

 		d=cur->depth();

 		if (treeEditor->isExpanded(pix) && d > level)

 			level=d;

 		model->nextBranch(cur,prev);	

 	}

 	// collapse all to level

 	cur=NULL;

 	prev=NULL;

 	model->nextBranch(cur,prev);

 	while (cur) 

 	{

 		pix=model->index (cur);

 		d=cur->depth();

 		if (treeEditor->isExpanded(pix) && d >= level)

 			treeEditor->setExpanded(pix,false);

 		model->nextBranch(cur,prev);	

 	}

 }

 void VymView::showSelection()

 {

 	QModelIndex ix=model->getSelectedIndex();

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

 	mapEditor->scrollTo ( ix);	// FIXME-3 also called from MapEditor::updateSelection...

 }

 void VymView::toggleTreeEditor()

 {

 	if (treeEditor->isVisible() )

 		treeEditor->hide();

 	else

 		treeEditor->show();

 }