extract the BookmarkView in an own file, part of the bookmark model system

svn path=/trunk/KDE/kdebase/apps/; revision=1120612

keditbookmarks/kbookmarkmodel/CMakeLists.txt

@@ -5,6 +5,7 @@ set(kbookmarkmodel_SRCS
   commands.cpp
   model.cpp
   treeitem.cpp
+  view.cpp
 )
 
 kde4_add_library(kbookmarkmodel_private SHARED ${kbookmarkmodel_SRCS})

keditbookmarks/kbookmarkmodel/view.cpp

@@ -0,0 +1,76 @@
+/* This file is part of the KDE project
+   Copyright (C) 2000 David Faure <faure@kde.org>
+   Copyright (C) 2002-2003 Alexander Kellett <lypanov@kde.org>
+   Copyright (C) 2005 Daniel Teske <teske@squorn.de>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) version 3.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+#include "view.h"
+
+#include <kbookmark.h>
+
+BookmarkView::BookmarkView( QWidget * parent )
+    : QTreeView(parent), m_loadingState(false)
+{
+    setAcceptDrops(true);
+    setDefaultDropAction(Qt::MoveAction);
+    connect(this, SIGNAL(expanded(QModelIndex)), this, SLOT(slotExpanded(QModelIndex)));
+    connect(this, SIGNAL(collapsed(QModelIndex)), this, SLOT(slotCollapsed(QModelIndex)));
+}
+
+BookmarkView::~BookmarkView()
+{
+}
+
+void BookmarkView::loadFoldedState()
+{
+    m_loadingState = true;
+    loadFoldedState(QModelIndex());
+    m_loadingState = false;
+}
+
+void BookmarkView::loadFoldedState(const QModelIndex& parentIndex)
+{
+    const int count = model()->rowCount(parentIndex);
+    for (int row = 0; row < count; ++row) {
+        const QModelIndex index = model()->index(row, 0, parentIndex);
+        const KBookmark bk = bookmarkForIndex(index);
+        if (bk.isNull()) {
+            expand(index);
+        }
+        else if (bk.isGroup()) {
+            setExpanded(index, bk.toGroup().isOpen());
+            loadFoldedState(index);
+        }
+    }
+}
+
+void BookmarkView::slotExpanded(const QModelIndex& index)
+{
+    if (!m_loadingState) {
+        KBookmark bk = bookmarkForIndex(index);
+        bk.internalElement().setAttribute("folded", "no");
+    }
+}
+
+void BookmarkView::slotCollapsed(const QModelIndex& index)
+{
+    if (!m_loadingState) {
+        KBookmark bk = bookmarkForIndex(index);
+        bk.internalElement().setAttribute("folded", "yes");
+    }
+}
+
+#include "view.moc"

keditbookmarks/kbookmarkmodel/view.h

@@ -0,0 +1,44 @@
+/* This file is part of the KDE project
+   Copyright (C) 2005 Daniel Teske <teske@squorn.de>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public
+   License version 2 as published by the Free Software Foundation.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#ifndef BOOKMARKMODEL_BOOKMARKVIEW_H
+#define BOOKMARKMODEL_BOOKMARKVIEW_H
+
+#include <QtGui/QTreeView>
+
+class KBookmark;
+
+class BookmarkView : public QTreeView
+{
+    Q_OBJECT
+public:
+    BookmarkView( QWidget * parent = 0 );
+    virtual ~BookmarkView();
+    virtual KBookmark bookmarkForIndex(const QModelIndex & idx) const = 0;
+    void loadFoldedState();
+
+private Q_SLOTS:
+    void slotExpanded(const QModelIndex& index);
+    void slotCollapsed(const QModelIndex& index);
+
+private:
+    void loadFoldedState(const QModelIndex& parentIndex);
+    bool m_loadingState;
+};
+
+#endif