Interface cleanup: The DolphinView should not expose QAbstractItemView-specific things like QItemSelectionModel. Just providing interfaces for KFileItem and KUrl will make it easier in future to change the view-implementations internally to QML-specific itemviews or whatever.

svn path=/trunk/KDE/kdebase/apps/; revision=1193113

2 files changed, 71 insertions, 32 deletions

diff --git a/src/views/dolphinview.cpp b/src/views/dolphinview.cpp
index 8ed0d993e..2c2dbc231 100644
--- a/src/views/dolphinview.cpp
+++ b/src/views/dolphinview.cpp
@@ -279,18 +279,9 @@ bool DolphinView::supportsCategorizedSorting() const
     return m_viewAccessor.supportsCategorizedSorting();
 }
 
-bool DolphinView::hasSelection() const
+KFileItemList DolphinView::items() const
 {
-    const QAbstractItemView* view = m_viewAccessor.itemView();
-    return (view != 0) && view->selectionModel()->hasSelection();
-}
-
-void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
-{
-    foreach (const KUrl& url, urls) {
-        KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
-        m_selectedItems.append(item);
-    }
+    return m_viewAccessor.dirLister()->items();
 }
 
 KFileItemList DolphinView::selectedItems() const
@@ -324,9 +315,21 @@ int DolphinView::selectedItemsCount() const
     return view->selectionModel()->selectedIndexes().count();
 }
 
-QItemSelectionModel* DolphinView::selectionModel() const
+void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
+{
+    foreach (const KUrl& url, urls) {
+        KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
+        m_selectedItems.append(item);
+    }
+}
+
+void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 {
-    return m_viewAccessor.itemView()->selectionModel();
+    const QItemSelection matchingIndexes = childrenMatchingPattern(QModelIndex(), pattern);
+    const QItemSelectionModel::SelectionFlags command = enabled
+                                                      ? QItemSelectionModel::Select
+                                                      : QItemSelectionModel::Deselect;
+    m_viewAccessor.itemView()->selectionModel()->select(matchingIndexes, command);
 }
 
 void DolphinView::setZoomLevel(int level)
@@ -948,6 +951,12 @@ void DolphinView::saveState(QDataStream& stream)
     stream << m_viewAccessor.expandedUrls();
 }
 
+bool DolphinView::hasSelection() const
+{
+    const QAbstractItemView* view = m_viewAccessor.itemView();
+    return (view != 0) && view->selectionModel()->hasSelection();
+}
+
 void DolphinView::observeCreatedItem(const KUrl& url)
 {
     m_createdItemUrl = url;
@@ -1248,6 +1257,30 @@ void DolphinView::addNewFileNames(const QMimeData* mimeData)
     }
 }
 
+QItemSelection DolphinView::childrenMatchingPattern(const QModelIndex& parent, const QRegExp& pattern) const
+{
+    QItemSelection matchingIndexes;
+    const DolphinSortFilterProxyModel* proxyModel = m_viewAccessor.proxyModel();
+    const DolphinModel* dolphinModel = m_viewAccessor.dirModel();
+
+    const int rowCount = proxyModel->rowCount(parent);
+
+    for (int row = 0; row < rowCount; ++row) {
+        QModelIndex index = proxyModel->index(row, 0, parent);
+        QModelIndex sourceIndex = proxyModel->mapToSource(index);
+
+        if (sourceIndex.isValid() && pattern.exactMatch(dolphinModel->data(sourceIndex).toString())) {
+            matchingIndexes += QItemSelectionRange(index);
+        }
+
+        if (proxyModel->hasChildren(index)) {
+            matchingIndexes += childrenMatchingPattern(index, pattern);
+        }
+    }
+
+    return matchingIndexes;
+}
+
 DolphinView::ViewAccessor::ViewAccessor(DolphinSortFilterProxyModel* proxyModel) :
     m_iconsView(0),
     m_detailsView(0),
@@ -1458,9 +1491,4 @@ void DolphinView::restoreContentsPosition()
     }
 }
 
-KFileItemList DolphinView::allItems() const
-{
-    return m_viewAccessor.dirLister()->items();
-}
-
 #include "dolphinview.moc"
diff --git a/src/views/dolphinview.h b/src/views/dolphinview.h
index a06105cf3..5fcf1ab4d 100644
--- a/src/views/dolphinview.h
+++ b/src/views/dolphinview.h
@@ -43,6 +43,7 @@ typedef KIO::FileUndoManager::CommandType CommandType;
 
 class DolphinColumnViewContainer;
 class DolphinDetailsView;
+class DolphinDetailsViewExpander;
 class DolphinIconsView;
 class DolphinModel;
 class DolphinSortFilterProxyModel;
@@ -53,7 +54,7 @@ class KDirLister;
 class KUrl;
 class ViewModeController;
 class ViewProperties;
-class DolphinDetailsViewExpander;
+class QRegExp;
 
 /**
  * @short Represents a view for the directory content.
@@ -181,12 +182,9 @@ public:
     bool supportsCategorizedSorting() const;
 
     /**
-     * Marks the items indicated by \p urls to get selected after the
-     * directory DolphinView::url() has been loaded. Note that nothing
-     * gets selected if no loading of a directory has been triggered
-     * by DolphinView::setUrl() or DolphinView::reload().
+     * Returns the items of the view.
      */
-    void markUrlsAsSelected(const QList<KUrl>& urls);
+    KFileItemList items() const;
 
     /**
      * Returns the selected items. The list is empty if no item has been
@@ -201,7 +199,19 @@ public:
      */
     int selectedItemsCount() const;
 
-    QItemSelectionModel* selectionModel() const;
+    /**
+     * Marks the items indicated by \p urls to get selected after the
+     * directory DolphinView::url() has been loaded. Note that nothing
+     * gets selected if no loading of a directory has been triggered
+     * by DolphinView::setUrl() or DolphinView::reload().
+     */
+    void markUrlsAsSelected(const QList<KUrl>& urls);
+
+    /**
+     * All items that match to the pattern \a pattern will get selected
+     * if \a enabled is true and deselected if  \a enabled is false.
+     */
+    void setItemSelectionEnabled(const QRegExp& pattern, bool enabled);
 
     /**
      * Sets the zoom level to \a level. It is assured that the used
@@ -324,10 +334,8 @@ public:
      */
     void saveState(QDataStream& stream);
 
-    /**
-     * Returns all the items in the current view.
-     */
-    KFileItemList allItems() const;
+    /** Returns true, if at least one item is selected. */
+    bool hasSelection() const;
 
 public slots:
     /**
@@ -349,9 +357,6 @@ public slots:
      */
     void invertSelection();
 
-    /** Returns true, if at least one item is selected. */
-    bool hasSelection() const;
-
     void clearSelection();
 
     /**
@@ -712,6 +717,12 @@ private:
      */
     void addNewFileNames(const QMimeData* mimeData);
 
+    /**
+     * Helper method for DolphinView::setItemSelectionEnabled(): Returns the selection for
+     * all items of \p parent that match with the regular expression defined by \p pattern.
+     */
+    QItemSelection childrenMatchingPattern(const QModelIndex& parent, const QRegExp& pattern) const;
+
 private:
     /**
      * Abstracts the access to the different view implementations