Theme Editor: Added code generate/undo functionality to SkinViewer

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27704 a1c6a512-1295-4272-9138-f99709370657

utils/themeeditor/gui/editorwindow.cpp

@@ -428,7 +428,7 @@ void EditorWindow::shiftTab(int index)
         ui->actionCopy->setEnabled(false);
         ui->actionPaste->setEnabled(false);
         ui->actionFind_Replace->setEnabled(false);
-        viewer->setScene(0);
+        viewer->connectSkin(0);
     }
     else if(widget->type() == TabContent::Config)
     {
@@ -441,7 +441,7 @@ void EditorWindow::shiftTab(int index)
         ui->actionCopy->setEnabled(false);
         ui->actionPaste->setEnabled(false);
         ui->actionFind_Replace->setEnabled(false);
-        viewer->setScene(0);
+        viewer->connectSkin(0);
     }
     else if(widget->type() == TabContent::Skin)
     {
@@ -465,7 +465,8 @@ void EditorWindow::shiftTab(int index)
         sizeColumns();
 
         /* Syncing the preview */
-        viewer->setScene(doc->scene());
+        viewer->connectSkin(doc);
+
 
     }
 
@@ -513,7 +514,7 @@ void EditorWindow::closeProject()
             dynamic_cast<SkinDocument*>(doc)->setProject(project);
             if(i == ui->editorTabs->currentIndex())
             {
-                viewer->setScene(dynamic_cast<SkinDocument*>(doc)->scene());
+                viewer->connectSkin(dynamic_cast<SkinDocument*>(doc));
             }
         }
     }
@@ -630,7 +631,7 @@ void EditorWindow::configFileChanged(QString configFile)
                 dynamic_cast<SkinDocument*>(doc)->setProject(project);
                 if(i == ui->editorTabs->currentIndex())
                 {
-                    viewer->setScene(dynamic_cast<SkinDocument*>(doc)->scene());
+                    viewer->connectSkin(dynamic_cast<SkinDocument*>(doc));
                 }
             }
         }
@@ -858,7 +859,7 @@ void EditorWindow::loadProjectFile(QString fileName)
                 dynamic_cast<SkinDocument*>(doc)->setProject(project);
                 if(i == ui->editorTabs->currentIndex())
                 {
-                    viewer->setScene(dynamic_cast<SkinDocument*>(doc)->scene());
+                    viewer->connectSkin(dynamic_cast<SkinDocument*>(doc));
                 }
             }
         }

utils/themeeditor/gui/skindocument.cpp

@@ -36,7 +36,8 @@ const int SkinDocument::updateInterval = 500;
 SkinDocument::SkinDocument(QLabel* statusLabel, ProjectModel* project,
                            DeviceState* device, QWidget *parent)
                                :TabContent(parent), statusLabel(statusLabel),
-                               project(project), device(device)
+                               project(project), device(device),
+                               treeInSync(true)
 {
     setupUI();
 
@@ -53,7 +54,7 @@ SkinDocument::SkinDocument(QLabel* statusLabel, QString file,
                            QWidget *parent)
                                :TabContent(parent), fileName(file),
                                statusLabel(statusLabel), project(project),
-                               device(device)
+                               device(device), treeInSync(true)
 {
     setupUI();
     blockUpdate = false;
@@ -163,6 +164,9 @@ void SkinDocument::setupUI()
     /* Setting up the model */
     model = new ParseTreeModel("");
 
+    QObject::connect(model, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
+                     this, SLOT(modelChanged()));
+
     /* Connecting the editor's signal */
     QObject::connect(editor, SIGNAL(textChanged()),
                      this, SLOT(codeChanged()));
@@ -260,6 +264,10 @@ void SkinDocument::codeChanged()
     editor->clearErrors();
     parseStatus = model->changeTree(editor->document()->
                                     toPlainText().toAscii());
+
+    treeInSync = true;
+    emit antiSync(false);
+
     if(skin_error_line() > 0)
         parseStatus = tr("Errors in document");
     statusLabel->setText(parseStatus);
@@ -313,6 +321,12 @@ void SkinDocument::codeChanged()
 
 }
 
+void SkinDocument::modelChanged()
+{
+    treeInSync = false;
+    emit antiSync(true);
+}
+
 void SkinDocument::save()
 {
     QFile fout(fileName);

utils/themeeditor/gui/skindocument.h

@@ -66,7 +66,6 @@ public:
     QString title() const{ return titleText; }
     QString getStatus(){ return parseStatus; }
     CodeEditor* getEditor(){ return editor; }
-    void genCode(){ editor->document()->setPlainText(model->genCode()); }
     void setProject(ProjectModel* project){ this->project = project; }
 
     void save();
@@ -84,14 +83,21 @@ public:
     void showFind(){ findReplace->show(); }
     void hideFind(){ findReplace->hide(); }
 
+    bool isSynced(){ return treeInSync; }
+
+
 signals:
+    void antiSync(bool outOfSync);
 
 public slots:
     void settingsChanged();
     void cursorChanged();
+    void parseCode(){ codeChanged(); }
+    void genCode(){ editor->document()->setPlainText(model->genCode()); }
 
 private slots:
     void codeChanged();
+    void modelChanged();
     void deviceChanged(){ scene(); }
 
 private:
@@ -122,6 +128,8 @@ private:
     QTime lastUpdate;
     static const int updateInterval;
     QTimer checkUpdate;
+
+    bool treeInSync;
 };
 
 #endif // SKINDOCUMENT_H

utils/themeeditor/gui/skinviewer.cpp

@@ -54,9 +54,38 @@ void SkinViewer::changeEvent(QEvent *e)
     }
 }
 
-void SkinViewer::setScene(QGraphicsScene *scene)
+void SkinViewer::connectSkin(SkinDocument *skin)
 {
-    ui->viewer->setScene(scene);
+    if(skin)
+    {
+        ui->viewer->setScene(skin->scene());
+        QObject::connect(skin, SIGNAL(antiSync(bool)),
+                         ui->codeGenButton, SLOT(setEnabled(bool)));
+        QObject::connect(skin, SIGNAL(antiSync(bool)),
+                         ui->codeUndoButton, SLOT(setEnabled(bool)));
+
+        QObject::connect(ui->codeGenButton, SIGNAL(pressed()),
+                         skin, SLOT(genCode()));
+        QObject::connect(ui->codeUndoButton, SIGNAL(pressed()),
+                         skin, SLOT(parseCode()));
+
+        doc = skin;
+    }
+    else
+    {
+        ui->viewer->setScene(0);
+
+        doc = 0;
+    }
+
+    bool antiSync;
+    if(skin && !skin->isSynced())
+        antiSync = true;
+    else
+        antiSync = false;
+
+    ui->codeGenButton->setEnabled(antiSync);
+    ui->codeUndoButton->setEnabled(antiSync);
 }
 
 void SkinViewer::zoomIn()

utils/themeeditor/gui/skinviewer.h

@@ -25,6 +25,8 @@
 #include <QWidget>
 #include <QGraphicsScene>
 
+#include "skindocument.h"
+
 namespace Ui {
     class SkinViewer;
 }
@@ -35,18 +37,22 @@ public:
     SkinViewer(QWidget *parent = 0);
     ~SkinViewer();
 
-    void setScene(QGraphicsScene* scene);
+    void connectSkin(SkinDocument* skin);
 
 public slots:
     void zoomIn();
     void zoomOut();
     void zoomEven();
 
+private slots:
+
 protected:
     void changeEvent(QEvent *e);
 
 private:
     Ui::SkinViewer *ui;
+
+    SkinDocument* doc;
 };
 
 #endif // SKINVIEWER_H

utils/themeeditor/gui/skinviewer.ui

@@ -26,6 +26,34 @@
    </item>
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QToolButton" name="codeGenButton">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="icon">
+        <iconset resource="../resources.qrc">
+         <normaloff>:/resources/resources/applications-system.png</normaloff>:/resources/resources/applications-system.png</iconset>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="codeUndoButton">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="icon">
+        <iconset resource="../resources.qrc">
+         <normaloff>:/resources/resources/edit-undo.png</normaloff>:/resources/resources/edit-undo.png</iconset>
+       </property>
+      </widget>
+     </item>
      <item>
       <spacer name="horizontalSpacer">
        <property name="orientation">