- allow the view implementations to attach custom actions to the context menu

[dolphin.git] / src / selectionmanager.cpp

diff --git a/src/selectionmanager.cpp b/src/selectionmanager.cpp
index 47ef16d1a73271a026ad53b23b0af3b3e55ca035..1722bc3c5d20f7ba39a0f0899187686a29dce7fd 100644 (file)
--- a/src/selectionmanager.cpp
+++ b/src/selectionmanager.cpp
@@ -36,7 +36,8 @@
 SelectionManager::SelectionManager(QAbstractItemView* parent) :
     QObject(parent),
     m_view(parent),
-    m_toggle(0)
+    m_toggle(0),
+    m_connected(false)
 {
     connect(parent, SIGNAL(entered(const QModelIndex&)),
             this, SLOT(slotEntered(const QModelIndex&)));
@@ -64,12 +65,15 @@ void SelectionManager::slotEntered(const QModelIndex& index)
     if (index.isValid() && (index.column() == DolphinModel::Name)) {
         m_toggle->setUrl(urlForIndex(index));
 
-        connect(m_view->model(), SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
-                this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
-        connect(m_view->selectionModel(),
-                SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
-                this,
-                SLOT(slotSelectionChanged(const QItemSelection&, const QItemSelection&)));
+        if (!m_connected) {
+            connect(m_view->model(), SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
+                    this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
+            connect(m_view->selectionModel(),
+                    SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
+                    this,
+                    SLOT(slotSelectionChanged(const QItemSelection&, const QItemSelection&)));
+            m_connected = true;
+        }
 
         const QRect rect = m_view->visualRect(index);
 
@@ -89,6 +93,7 @@ void SelectionManager::slotEntered(const QModelIndex& index)
                    SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
                    this,
                    SLOT(slotSelectionChanged(const QItemSelection&, const QItemSelection&)));
+        m_connected = false;
     }
 }
 
@@ -101,15 +106,17 @@ void SelectionManager::setItemSelected(bool selected)
 {
     emit selectionChanged();
 
-    const QModelIndex index = indexForUrl(m_toggle->url());
-    if (index.isValid()) {
-        QItemSelectionModel* selModel = m_view->selectionModel();
-        if (selected) {
-            selModel->select(index, QItemSelectionModel::Select);
-        } else {
-            selModel->select(index, QItemSelectionModel::Deselect);
+    if (!m_toggle->url().isEmpty()) {
+        const QModelIndex index = indexForUrl(m_toggle->url());
+        if (index.isValid()) {
+            QItemSelectionModel* selModel = m_view->selectionModel();
+            if (selected) {
+                selModel->select(index, QItemSelectionModel::Select);
+            } else {
+                selModel->select(index, QItemSelectionModel::Deselect);
+            }
+            selModel->setCurrentIndex(index, QItemSelectionModel::Current);
         }
-        selModel->setCurrentIndex(index, QItemSelectionModel::Current);
     }
 }
 
@@ -127,14 +134,16 @@ void SelectionManager::slotSelectionChanged(const QItemSelection& selected,
     // The selection has been changed outside the scope of the selection manager
     // (e. g. by the rubberband or the "Select All" action). Take care updating
     // the state of the toggle button.
-    const QModelIndex index = indexForUrl(m_toggle->url());
-    if (index.isValid()) {
-        if (selected.contains(index)) {
-            m_toggle->setChecked(true);
-        }
-
-        if (deselected.contains(index)) {
-            m_toggle->setChecked(false);
+    if (!m_toggle->url().isEmpty()) {
+        const QModelIndex index = indexForUrl(m_toggle->url());
+        if (index.isValid()) {
+            if (selected.contains(index)) {
+                m_toggle->setChecked(true);
+            }
+
+            if (deselected.contains(index)) {
+                m_toggle->setChecked(false);
+            }
         }
     }
 }