Changing page order now works in thumbnail view

4 files changed, 64 insertions, 8 deletions

diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index c23ee34..bcb6877 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -410,24 +410,42 @@ void DrawPadCanvas::deletePage()
     }
 
     m_pageBackups.clear();
     m_pageBackups.append(new Page(*(m_pages.current())));
 
     resizeContents(m_pages.current()->width(), m_pages.current()->height());
     viewport()->update();
 
     emit pagesChanged();
     emit pageBackupsChanged();
 }
 
+void DrawPadCanvas::movePageUp()
+{
+    int index = m_pages.at();
+    Page* page = m_pages.take();
+    m_pages.insert(index - 1, page);
+
+    emit pagesChanged();
+}
+
+void DrawPadCanvas::movePageDown()
+{
+    int index = m_pages.at();
+    Page* page = m_pages.take();
+    m_pages.insert(index + 1, page);
+
+    emit pagesChanged();
+}
+
 bool DrawPadCanvas::undoEnabled()
 {
     return (m_pageBackups.current() != m_pageBackups.getFirst());
 }
 
 bool DrawPadCanvas::redoEnabled()
 {
     return (m_pageBackups.current() != m_pageBackups.getLast());
 }
 
 bool DrawPadCanvas::goPreviousPageEnabled()
 {
diff --git a/noncore/graphics/drawpad/drawpadcanvas.h b/noncore/graphics/drawpad/drawpadcanvas.h
index d74d425..39cf752 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.h
+++ b/noncore/graphics/drawpad/drawpadcanvas.h
@@ -46,24 +46,26 @@ public:
     QList<Page> pages();
     uint pagePosition();
     uint pageCount();
 
     void selectPage(Page* page);
     void backupPage();
 
 public slots:
     void deleteAll();
     void newPage(uint width, uint height, const QColor& color);
     void clearPage();
     void deletePage();
+    void movePageUp();
+    void movePageDown();
 
     void undo();
     void redo();
 
     void goFirstPage();
     void goPreviousPage();
     void goNextPage();
     void goLastPage();
 
 signals:
     void pagesChanged();
     void pageBackupsChanged();
diff --git a/noncore/graphics/drawpad/thumbnailview.cpp b/noncore/graphics/drawpad/thumbnailview.cpp
index 0c7934e..428e008 100644
--- a/noncore/graphics/drawpad/thumbnailview.cpp
+++ b/noncore/graphics/drawpad/thumbnailview.cpp
@@ -161,54 +161,64 @@ ThumbnailView::ThumbnailView(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas, QWi
     connect(newPageButton, SIGNAL(clicked()), this, SLOT(newPage()));
 
     QToolButton* clearPageButton = new QToolButton(this);
     clearPageButton->setIconSet(Resource::loadIconSet("drawpad/clear"));
     clearPageButton->setAutoRaise(true);
     connect(clearPageButton, SIGNAL(clicked()), this, SLOT(clearPage()));
 
     QToolButton* deletePageButton = new QToolButton(this);
     deletePageButton->setIconSet(Resource::loadIconSet("trash"));
     deletePageButton->setAutoRaise(true);
     connect(deletePageButton, SIGNAL(clicked()), this, SLOT(deletePage()));
 
-    QToolButton* movePageUpButton = new QToolButton(this);
-    movePageUpButton->setIconSet(Resource::loadIconSet("up"));
-    movePageUpButton->setAutoRaise(true);
+    m_pMovePageUpButton = new QToolButton(this);
+    m_pMovePageUpButton->setIconSet(Resource::loadIconSet("up"));
+    m_pMovePageUpButton->setAutoRaise(true);
+    connect(m_pMovePageUpButton, SIGNAL(clicked()), this, SLOT(movePageUp()));
 
-    QToolButton* movePageDownButton = new QToolButton(this);
-    movePageDownButton->setIconSet(Resource::loadIconSet("down"));
-    movePageDownButton->setAutoRaise(true);
+    m_pMovePageDownButton = new QToolButton(this);
+    m_pMovePageDownButton->setIconSet(Resource::loadIconSet("down"));
+    m_pMovePageDownButton->setAutoRaise(true);
+    connect(m_pMovePageDownButton, SIGNAL(clicked()), this, SLOT(movePageDown()));
 
     m_pPageListView = new PageListView(m_pDrawPadCanvas, this);
     connect(m_pPageListView, SIGNAL(selectionChanged()), this, SLOT(changePage()));
 
     QVBoxLayout* mainLayout = new QVBoxLayout(this, 4, 4);
     QHBoxLayout* buttonLayout = new QHBoxLayout(0);
 
     buttonLayout->addWidget(newPageButton);
     buttonLayout->addWidget(clearPageButton);
     buttonLayout->addWidget(deletePageButton);
     buttonLayout->addStretch();
-    buttonLayout->addWidget(movePageUpButton);
-    buttonLayout->addWidget(movePageDownButton);
+    buttonLayout->addWidget(m_pMovePageUpButton);
+    buttonLayout->addWidget(m_pMovePageDownButton);
 
     mainLayout->addLayout(buttonLayout);
     mainLayout->addWidget(m_pPageListView);
+
+    updateView();
 }
 
 ThumbnailView::~ThumbnailView()
 {
     hide();
 }
 
+void ThumbnailView::updateView()
+{
+    m_pMovePageUpButton->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
+    m_pMovePageDownButton->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
+}
+
 void ThumbnailView::hide()
 {
     QWidget::hide();
 
     if (inLoop) {
         inLoop = false;
         qApp->exit_loop();
     }
 }
 
 void ThumbnailView::exec()
 {
@@ -222,24 +232,25 @@ void ThumbnailView::exec()
 
 void ThumbnailView::newPage()
 {
     QRect rect = m_pDrawPadCanvas->contentsRect();
 
     NewPageDialog newPageDialog(rect.width(), rect.height(), m_pDrawPad->pen().color(),
                                 m_pDrawPad->brush().color(), this);
 
     if (newPageDialog.exec() == QDialog::Accepted) {
         m_pDrawPadCanvas->newPage(newPageDialog.selectedWidth(), newPageDialog.selectedHeight(),
                                   newPageDialog.selectedColor());
         m_pPageListView->updateView();
+        updateView();
     }
 }
 
 void ThumbnailView::clearPage()
 {
     QMessageBox messageBox(tr("Clear Page"), tr("Do you want to clear\nthe selected page?"),
                            QMessageBox::Information, QMessageBox::Yes,
                            QMessageBox::No | QMessageBox::Escape | QMessageBox::Default,
                            QMessageBox::NoButton, this);
 
     messageBox.setButtonText(QMessageBox::Yes, tr("Yes"));
     messageBox.setButtonText(QMessageBox::No, tr("No"));
@@ -254,19 +265,35 @@ void ThumbnailView::deletePage()
 {
     QMessageBox messageBox(tr("Delete Page"), tr("Do you want to delete\nthe selected page?"),
                            QMessageBox::Information, QMessageBox::Yes,
                            QMessageBox::No | QMessageBox::Escape | QMessageBox::Default,
                            QMessageBox::NoButton, this);
 
     messageBox.setButtonText(QMessageBox::Yes, tr("Yes"));
     messageBox.setButtonText(QMessageBox::No, tr("No"));
 
     if (messageBox.exec() == QMessageBox::Yes) {
         m_pDrawPadCanvas->deletePage();
         m_pPageListView->updateView();
+        updateView();
+    }
+}
+
+void ThumbnailView::movePageUp()
+{
+    m_pDrawPadCanvas->movePageUp();
+    m_pPageListView->updateView();
+    updateView();
     }
+
+void ThumbnailView::movePageDown()
+{
+    m_pDrawPadCanvas->movePageDown();
+    m_pPageListView->updateView();
+    updateView();
 }
 
 void ThumbnailView::changePage()
 {
     m_pDrawPadCanvas->selectPage(m_pPageListView->selected());
+    updateView();
 }
diff --git a/noncore/graphics/drawpad/thumbnailview.h b/noncore/graphics/drawpad/thumbnailview.h
index 1fdb168..eb748fa 100644
--- a/noncore/graphics/drawpad/thumbnailview.h
+++ b/noncore/graphics/drawpad/thumbnailview.h
@@ -12,24 +12,26 @@
  ***************************************************************************/
 
 #ifndef THUMBNAILVIEW_H
 #define THUMBNAILVIEW_H
 
 #include <qwidget.h>
 #include <qlistview.h>
 
 class DrawPad;
 class DrawPadCanvas;
 class Page;
 
+class QToolButton;
+
 class PageListViewItem : public QListViewItem
 {
 public:
     PageListViewItem(Page* page, QListView* parent);
     ~PageListViewItem();
 
     Page* page() const;
 
 private:
     Page* m_pPage;
 };
 
@@ -50,31 +52,38 @@ protected:
 private:
     DrawPadCanvas* m_pDrawPadCanvas;
 };
 
 class ThumbnailView : public QWidget
 {
     Q_OBJECT
 
 public:
     ThumbnailView(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas, QWidget* parent = 0, const char* name = 0);
     ~ThumbnailView();
     
+    void updateView();
+
     void hide();
     void exec();
 
 public slots:
     void newPage();
     void clearPage();
     void deletePage();
+    void movePageUp();
+    void movePageDown();
     void changePage();
 
 private:
     bool inLoop;
 
     DrawPad* m_pDrawPad;
     DrawPadCanvas* m_pDrawPadCanvas;
 
+    QToolButton* m_pMovePageUpButton;
+    QToolButton* m_pMovePageDownButton;
+
     PageListView* m_pPageListView;
 };
 
 #endif // THUMBNAILVIEW_H