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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "rubberbandselectionmanipulator.h"
#include "formeditorscene.h"
#include <utils/algorithm.h>
namespace QmlDesigner {
RubberBandSelectionManipulator::RubberBandSelectionManipulator(LayerItem *layerItem, FormEditorView *editorView)
: m_selectionRectangleElement(layerItem),
m_editorView(editorView),
m_beginFormEditorItem(nullptr),
m_isActive(false)
{
m_selectionRectangleElement.hide();
}
void RubberBandSelectionManipulator::clear()
{
m_selectionRectangleElement.clear();
m_isActive = false;
m_beginPoint = QPointF();
m_itemList.clear();
m_oldSelectionList.clear();
}
FormEditorItem *RubberBandSelectionManipulator::topFormEditorItem(const QList<QGraphicsItem*> &itemList)
{
for (QGraphicsItem *item : itemList) {
FormEditorItem *formEditorItem = FormEditorItem::fromQGraphicsItem(item);
if (formEditorItem)
{
return formEditorItem;
}
}
return m_editorView->scene()->rootFormEditorItem();
}
void RubberBandSelectionManipulator::begin(const QPointF& beginPoint)
{
m_beginPoint = beginPoint;
m_selectionRectangleElement.setRect(m_beginPoint, m_beginPoint);
m_selectionRectangleElement.show();
m_isActive = true;
m_beginFormEditorItem = topFormEditorItem(m_editorView->scene()->items(beginPoint));
m_oldSelectionList = toQmlItemNodeList(m_editorView->selectedModelNodes());
}
void RubberBandSelectionManipulator::update(const QPointF& updatePoint)
{
m_selectionRectangleElement.setRect(m_beginPoint, updatePoint);
}
void RubberBandSelectionManipulator::end()
{
m_oldSelectionList.clear();
m_selectionRectangleElement.hide();
m_isActive = false;
}
void RubberBandSelectionManipulator::select(SelectionType selectionType)
{
if (!m_beginFormEditorItem)
return;
QList<QGraphicsItem *> itemList = m_editorView->scene()->items(m_selectionRectangleElement.rect(), Qt::IntersectsItemBoundingRect);
QList<QmlItemNode> newNodeList;
for (QGraphicsItem *item : itemList)
{
FormEditorItem *formEditorItem = FormEditorItem::fromQGraphicsItem(item);
if (formEditorItem
&& formEditorItem->qmlItemNode().isValid()
&& formEditorItem->qmlItemNode().instanceIsMovable()
&& formEditorItem->qmlItemNode().modelIsMovable()
&& !formEditorItem->qmlItemNode().instanceIsInLayoutable())
{
newNodeList.append(formEditorItem->qmlItemNode());
}
}
if (newNodeList.isEmpty()
&& m_beginFormEditorItem->qmlItemNode().isValid()
&& m_beginFormEditorItem->qmlItemNode().instanceIsMovable()
&& m_beginFormEditorItem->qmlItemNode().modelIsMovable()
&& !m_beginFormEditorItem->qmlItemNode().instanceIsInLayoutable())
newNodeList.append(m_beginFormEditorItem->qmlItemNode());
QList<QmlItemNode> nodeList;
switch (selectionType) {
case AddToSelection: {
nodeList.append(m_oldSelectionList);
nodeList.append(newNodeList);
}
break;
case ReplaceSelection: {
nodeList.append(newNodeList);
}
break;
case RemoveFromSelection: {
QSet<QmlItemNode> oldSelectionSet = Utils::toSet(m_oldSelectionList);
const QSet<QmlItemNode> newSelectionSet = Utils::toSet(newNodeList);
nodeList.append(Utils::toList(oldSelectionSet.subtract(newSelectionSet)));
}
}
m_editorView->setSelectedModelNodes(toModelNodeList(nodeList));
}
void RubberBandSelectionManipulator::setItems(const QList<FormEditorItem *> &itemList)
{
m_itemList = itemList;
}
QPointF RubberBandSelectionManipulator::beginPoint() const
{
return m_beginPoint;
}
bool RubberBandSelectionManipulator::isActive() const
{
return m_isActive;
}
}
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