Implemented tileset removal.

--HG--
branch : gsoc2014-dfighter

code/studio/src/plugins/tile_editor/tile_editor_main_window.cpp

@@ -88,6 +88,7 @@ TileEditorMainWindow::TileEditorMainWindow(QWidget *parent)
 	m_ui->tileSetLV->setModel(m_model);
 	//m_ui->tileSetLV->setRootIndex(m_model->index(0,0));
 	connect(m_ui->tileSetAddTB, SIGNAL(clicked()), this, SLOT(onTileSetAdd()));
+	connect(m_ui->tileSetDeleteTB, SIGNAL(clicked()), this, SLOT(onTileSetDelete()));
 	connect(m_ui->tileSetLV->selectionModel(),
              SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
              this, SLOT(changeActiveTileSet(const QModelIndex &, const QModelIndex &)));
@@ -261,6 +262,18 @@ void TileEditorMainWindow::onTileSetAdd()
 	}
 }
 
+void TileEditorMainWindow::onTileSetDelete()
+{
+	QModelIndex idx = m_ui->tileSetLV->currentIndex();
+	if( !idx.isValid() )
+		return;
+
+	TileModel *model = static_cast<TileModel*>(m_ui->tileSetLV->model());
+	bool ok = model->removeRow( idx.row() );
+	
+	//m_ui->tileSetLV->reset();
+}
+
 void TileEditorMainWindow::onActionAddTile(int tabId)
 {
 	QFileDialog::Options options;

code/studio/src/plugins/tile_editor/tile_editor_main_window.h

@@ -48,6 +48,7 @@ public Q_SLOTS:
 	void onActionReplaceImage(bool triggered);
 	void onActionDeleteImage(bool triggered);
 	void onTileSetAdd();
+	void onTileSetDelete();
 	void changeActiveTileSet(const QModelIndex &newIndex, const QModelIndex &oldIndex);
 	void onZoomFactor(int level);
 

code/studio/src/plugins/tile_editor/tile_editor_main_window.ui

@@ -505,7 +505,7 @@
            </widget>
           </item>
           <item>
-           <widget class="QToolButton" name="toolButton_7">
+           <widget class="QToolButton" name="tileSetDeleteTB">
             <property name="text">
              <string>...</string>
             </property>

code/studio/src/plugins/tile_editor/tile_model.cpp

@@ -140,6 +140,21 @@ void TileModel::appendRow(Node *item)
 	rootItem->appendRow(item);
 }
 
+bool TileModel::removeRows( int row, int count, const QModelIndex &parent )
+{
+	int c = rootItem->childCount();
+	if( row + count > c )
+		return false;
+
+	beginRemoveRows( QModelIndex(), row, row + count - 1 );
+
+	bool ok = rootItem->removeChildren( row, count );
+	
+	endRemoveRows();
+
+	return ok;
+}
+
 TileSetNode *TileModel::createTileSetNode(QString tileSetName)
 {
 	// Create the new tile set.

code/studio/src/plugins/tile_editor/tile_model.h

@@ -80,6 +80,8 @@ public:
 	void appendRow(const QList<Node*> &items);
 	void appendRow(Node *item);
 
+	bool removeRows( int row, int count, const QModelIndex &parent = QModelIndex() );
+
 	TileSetNode *createTileSetNode(QString tileSetName);
 
 	static const char *getTileTypeName(TNodeTileType type);