1 files changed, 165 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/declarativeobserver/editor/liverubberbandselectionmanipulator.cpp b/src/plugins/qmltooling/declarativeobserver/editor/liverubberbandselectionmanipulator.cpp
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index 0000000..6c37ba5
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+++ b/src/plugins/qmltooling/declarativeobserver/editor/liverubberbandselectionmanipulator.cpp
@@ -0,0 +1,165 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "liverubberbandselectionmanipulator_p.h"
+
+#include "../qdeclarativeviewobserver_p_p.h"
+
+#include <QtGui/QGraphicsItem>
+
+#include <QtCore/QDebug>
+
+QT_BEGIN_NAMESPACE
+
+LiveRubberBandSelectionManipulator::LiveRubberBandSelectionManipulator(QGraphicsObject *layerItem,
+                                                                       QDeclarativeViewObserver *editorView)
+    : m_selectionRectangleElement(layerItem),
+      m_editorView(editorView),
+      m_beginFormEditorItem(0),
+      m_isActive(false)
+{
+    m_selectionRectangleElement.hide();
+}
+
+void LiveRubberBandSelectionManipulator::clear()
+{
+    m_selectionRectangleElement.clear();
+    m_isActive = false;
+    m_beginPoint = QPointF();
+    m_itemList.clear();
+    m_oldSelectionList.clear();
+}
+
+QGraphicsItem *LiveRubberBandSelectionManipulator::topFormEditorItem(const QList<QGraphicsItem*>
+                                                                     &itemList)
+{
+    if (itemList.isEmpty())
+        return 0;
+
+    return itemList.first();
+}
+
+void LiveRubberBandSelectionManipulator::begin(const QPointF &beginPoint)
+{
+    m_beginPoint = beginPoint;
+    m_selectionRectangleElement.setRect(m_beginPoint, m_beginPoint);
+    m_selectionRectangleElement.show();
+    m_isActive = true;
+    QDeclarativeViewObserverPrivate *observerPrivate
+            = QDeclarativeViewObserverPrivate::get(m_editorView);
+    m_beginFormEditorItem = topFormEditorItem(observerPrivate->selectableItems(beginPoint));
+    m_oldSelectionList = m_editorView->selectedItems();
+}
+
+void LiveRubberBandSelectionManipulator::update(const QPointF &updatePoint)
+{
+    m_selectionRectangleElement.setRect(m_beginPoint, updatePoint);
+}
+
+void LiveRubberBandSelectionManipulator::end()
+{
+    m_oldSelectionList.clear();
+    m_selectionRectangleElement.hide();
+    m_isActive = false;
+}
+
+void LiveRubberBandSelectionManipulator::select(SelectionType selectionType)
+{
+    QDeclarativeViewObserverPrivate *observerPrivate
+            = QDeclarativeViewObserverPrivate::get(m_editorView);
+    QList<QGraphicsItem*> itemList
+            = observerPrivate->selectableItems(m_selectionRectangleElement.rect(),
+                                               Qt::IntersectsItemShape);
+    QList<QGraphicsItem*> newSelectionList;
+
+    foreach (QGraphicsItem* item, itemList) {
+        if (item
+                && item->parentItem()
+                && !newSelectionList.contains(item)
+                //&& m_beginFormEditorItem->childItems().contains(item) // TODO activate this test
+                )
+        {
+            newSelectionList.append(item);
+        }
+    }
+
+    if (newSelectionList.isEmpty() && m_beginFormEditorItem)
+        newSelectionList.append(m_beginFormEditorItem);
+
+    QList<QGraphicsItem*> resultList;
+
+    switch (selectionType) {
+    case AddToSelection: {
+        resultList.append(m_oldSelectionList);
+        resultList.append(newSelectionList);
+    }
+        break;
+    case ReplaceSelection: {
+        resultList.append(newSelectionList);
+    }
+        break;
+    case RemoveFromSelection: {
+        QSet<QGraphicsItem*> oldSelectionSet(m_oldSelectionList.toSet());
+        QSet<QGraphicsItem*> newSelectionSet(newSelectionList.toSet());
+        resultList.append(oldSelectionSet.subtract(newSelectionSet).toList());
+    }
+    }
+
+    m_editorView->setSelectedItems(resultList);
+}
+
+
+void LiveRubberBandSelectionManipulator::setItems(const QList<QGraphicsItem*> &itemList)
+{
+    m_itemList = itemList;
+}
+
+QPointF LiveRubberBandSelectionManipulator::beginPoint() const
+{
+    return m_beginPoint;
+}
+
+bool LiveRubberBandSelectionManipulator::isActive() const
+{
+    return m_isActive;
+}
+
+QT_END_NAMESPACE