From 0111d9b0a02098065a32b34c9b04fde72addb626 Mon Sep 17 00:00:00 2001
From: Peter Penz <peter.penz19@gmail.com>
Date: Mon, 6 Aug 2007 06:56:36 +0000
Subject: Fixed 'Select All' and 'Invert Selection' for the column view (only
 the items of the currently active column will be selected, not the whole
 tree). The current implementation is quite slow, but this will be fixed
 later.

svn path=/trunk/KDE/kdebase/apps/; revision=696893
---
 src/dolphincolumnview.cpp | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

(limited to 'src/dolphincolumnview.cpp')

diff --git a/src/dolphincolumnview.cpp b/src/dolphincolumnview.cpp
index f4a5ef19a..ee7fb52aa 100644
--- a/src/dolphincolumnview.cpp
+++ b/src/dolphincolumnview.cpp
@@ -173,6 +173,7 @@ void ColumnWidget::obtainSelectionModel()
     if (selectionModel() != m_view->selectionModel()) {
         selectionModel()->deleteLater();
         setSelectionModel(m_view->selectionModel());
+        clearSelection();
     }
 }
 
@@ -428,6 +429,16 @@ DolphinColumnView::~DolphinColumnView()
 {
 }
 
+void DolphinColumnView::invertSelection()
+{
+    selectActiveColumn(QItemSelectionModel::Toggle);
+}
+
+void DolphinColumnView::selectAll()
+{
+    selectActiveColumn(QItemSelectionModel::Select);
+}
+
 QAbstractItemView* DolphinColumnView::createColumn(const QModelIndex& index)
 {
     // let the column widget be aware about its URL...
@@ -598,7 +609,7 @@ void DolphinColumnView::requestActivation(QWidget* column)
             const bool isActive = (widget == column);
             widget->setActive(isActive);
             if (isActive) {
-                m_controller->setUrl(widget->url());
+               m_controller->setUrl(widget->url());
             }
         }
     }
@@ -618,4 +629,23 @@ void DolphinColumnView::requestSelectionModel(QAbstractItemView* view)
     }
 }
 
+void DolphinColumnView::selectActiveColumn(QItemSelectionModel::SelectionFlags flags)
+{
+    // TODO: this approach of selecting the active column is very slow. It should be
+    // possible to speedup the implementation by using QItemSelection, but all adempts
+    // have failed yet...
+
+    QItemSelectionModel* selModel = selectionModel();
+
+    const QAbstractProxyModel* proxyModel = static_cast<const QAbstractProxyModel*>(model());
+    const KDirModel* dirModel = static_cast<const KDirModel*>(proxyModel->sourceModel());
+    KDirLister* dirLister = dirModel->dirLister();
+
+    const KFileItemList list = dirLister->itemsForDir(m_controller->url());
+    foreach (KFileItem* item, list) {
+        const QModelIndex index = dirModel->indexForUrl(item->url());
+        selModel->select(proxyModel->mapFromSource(index), flags);
+    }
+}
+
 #include "dolphincolumnview.moc"
-- 
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