Changed: #1307 Added implementation of undo/redo framework partial

--HG--
branch : gsoc2011-translationovqt

code/nel/tools/3d/object_viewer_qt/src/plugins/translation_manager/editor_worksheet.cpp

@@ -95,7 +95,8 @@ void CEditorWorksheet::open(QString filename)
                 table_editor->resizeColumnsToContents();
                 table_editor->resizeRowsToContents(); 
                 // set editor signals
-                connect(table_editor, SIGNAL(cellChanged(int,int) ), this, SLOT(worksheetEditorChanged(int,int)));
+                connect(table_editor, SIGNAL(itemChanged(QTableWidgetItem*) ), this, SLOT(worksheetEditorChanged(QTableWidgetItem*)));				
+				connect(table_editor, SIGNAL(itemDoubleClicked(QTableWidgetItem*) ), this, SLOT(worksheetEditorCellEntered(QTableWidgetItem*)));
              } else {
                 QErrorMessage error;
                 error.showMessage("This file is not a worksheet file.");
@@ -233,8 +234,19 @@ void CEditorWorksheet::deleteRow()
   return;
 }
 
-void CEditorWorksheet::worksheetEditorChanged(int row, int column)
+void CEditorWorksheet::worksheetEditorCellEntered(QTableWidgetItem * item)
 {
+	temp_content = item->text();
+}
+
+void CEditorWorksheet::worksheetEditorChanged(QTableWidgetItem * item)
+{
+	if(temp_content != item->text())
+	{
+		QString i_text = item->text();
+		current_stack->push(new CUndoWorksheetCommand(item, temp_content, i_text));
+	}
+
     if(!isWindowModified())
         setWindowModified(true);
 }
@@ -494,6 +506,7 @@ void CEditorWorksheet::closeEvent(QCloseEvent *event)
     }
 }
 
+
 bool CEditorWorksheet::isBotNamesTable()
 {
     bool status = true;

code/nel/tools/3d/object_viewer_qt/src/plugins/translation_manager/editor_worksheet.h

@@ -31,6 +31,9 @@
 #include <QtGui/QMdiArea>
 #include <QtGui/QTableWidget>
 #include <QtGui/QMdiSubWindow>
+#include <QtGui/QUndoCommand>
+#include <QtGui/qundostack.h>
+
 
 #include "translation_manager_editor.h"
 #include "extract_new_sheet_names.h"
@@ -40,11 +43,12 @@ namespace Plugin {
 class CEditorWorksheet : public CEditor
 {
     Q_OBJECT
-private:
-    QTableWidget* table_editor;
+private:   
+	QString temp_content;
 public:
     CEditorWorksheet(QMdiArea* parent) : CEditor(parent) {}
     CEditorWorksheet() : CEditor() {}
+	QTableWidget* table_editor;
     void open(QString filename);
     void save();
     void saveAs(QString filename);
@@ -57,7 +61,8 @@ public:
     bool isSheetTable(QString type);
     void closeEvent(QCloseEvent *event);
 private Q_SLOTS:
-    void worksheetEditorChanged(int,int);
+	void worksheetEditorCellEntered(QTableWidgetItem * item);
+    void worksheetEditorChanged(QTableWidgetItem * item);
     void insertRow();
     void deleteRow();
 private:
@@ -65,6 +70,28 @@ private:
     
 };
 
+class CUndoWorksheetCommand : public QUndoCommand
+{
+public:
+	CUndoWorksheetCommand(QTableWidgetItem* item, const QString &ocontent, QString ccontent) :  QUndoCommand("Insert characters in cells"), m_item(item),  m_ocontent(ocontent), m_ccontent(ccontent) { }
+
+	virtual void redo()
+	{
+		
+		//m_ccontent = m_item->text();
+		m_item->setText(m_ccontent);
+		
+	}
+	virtual void undo()
+	{
+		m_item->setText(m_ocontent);
+	}
+private:
+	QTableWidgetItem* m_item;
+	QString m_ocontent;
+	QString m_ccontent;
 };
+
+}
 #endif	/* EDITOR_WORKSHEET_H */
 

code/nel/tools/3d/object_viewer_qt/src/plugins/translation_manager/translation_manager_editor.h

@@ -22,12 +22,14 @@
 #include <QtGui/QWidget>
 #include <QtGui/QMdiArea>
 #include <QtGui/QMdiSubWindow>
+#include <QtGui/QUndoStack>
 
 namespace Plugin {
     
 class CEditor : public QMdiSubWindow {
 Q_OBJECT
 protected:
+	QUndoStack* current_stack;
     QString current_file;
     int editor_type;
 public:
@@ -42,6 +44,10 @@ public:
     {
         return current_file;
     }
+	void setUndoStack(QUndoStack* stack)
+	{
+		current_stack = stack;
+	}
 };
 
 }

code/nel/tools/3d/object_viewer_qt/src/plugins/translation_manager/translation_manager_main_window.cpp

@@ -65,7 +65,9 @@ CMainWindow::CMainWindow(QWidget *parent)
          initialize_settings["ligo"] = false;
          readSettings();
          createToolbar();
-        m_undoStack = new QUndoStack(this);
+		m_undoStack = new QUndoStack(this);
+		_ui.toolBar->addAction(m_undoStack->createUndoAction(this));
+		_ui.toolBar->addAction(m_undoStack->createRedoAction(this));
 }
 
 void CMainWindow::createToolbar()
@@ -207,7 +209,8 @@ void CMainWindow::open()
             }          
              if(isWorksheetEditor(file_name))
              {
-                 CEditorWorksheet *new_window = new CEditorWorksheet(_ui.mdiArea);                 
+                 CEditorWorksheet *new_window = new CEditorWorksheet(_ui.mdiArea); 
+				 new_window->setUndoStack(m_undoStack);
                  new_window->open(file_name);  
                  new_window->activateWindow();
              }