liveselectionindicator.cpp

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#include "liveselectionindicator.h"

#include "../qdeclarativeviewinspector_p.h"
#include "../qmlinspectorconstants.h"

#include <QtGui/QGraphicsRectItem>
#include <QtGui/QGraphicsObject>
#include <QtGui/QGraphicsScene>
#include <QtGui/QPen>

namespace QmlJSDebugger {

LiveSelectionIndicator::LiveSelectionIndicator(QDeclarativeViewInspector *viewInspector,
                                               QGraphicsObject *layerItem)
    : m_layerItem(layerItem)
    , m_view(viewInspector)
{
}

LiveSelectionIndicator::~LiveSelectionIndicator()
{
    clear();
}

void LiveSelectionIndicator::show()
{
    foreach (QGraphicsRectItem *item, m_indicatorShapeHash)
        item->show();
}

void LiveSelectionIndicator::hide()
{
    foreach (QGraphicsRectItem *item, m_indicatorShapeHash)
        item->hide();
}

void LiveSelectionIndicator::clear()
{
    if (!m_layerItem.isNull()) {
        QGraphicsScene *scene = m_layerItem.data()->scene();
        foreach (QGraphicsRectItem *item, m_indicatorShapeHash) {
            scene->removeItem(item);
            delete item;
        }
    }

    m_indicatorShapeHash.clear();

}

void LiveSelectionIndicator::setItems(const QList<QWeakPointer<QGraphicsObject> > &itemList)
{
    clear();

    foreach (const QWeakPointer<QGraphicsObject> &object, itemList) {
        if (object.isNull())
            continue;

        QGraphicsItem *item = object.data();

        if (!m_indicatorShapeHash.contains(item)) {
            QGraphicsRectItem *selectionIndicator = new QGraphicsRectItem(m_layerItem.data());
            m_indicatorShapeHash.insert(item, selectionIndicator);

            const QRectF boundingRect = m_view->adjustToScreenBoundaries(item->mapRectToScene(item->boundingRect()));
            const QRectF boundingRectInLayerItemSpace = m_layerItem.data()->mapRectFromScene(boundingRect);

            selectionIndicator->setData(Constants::EditorItemDataKey, true);
            selectionIndicator->setFlag(QGraphicsItem::ItemIsSelectable, false);
            selectionIndicator->setRect(boundingRectInLayerItemSpace);
            selectionIndicator->setPen(QColor(108, 141, 221));
        }
    }
}

} //namespace QmlJSDebugger