/****************************************************************************
**
** Copyright (C) 2007-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include <QtGui>

#include "GedTextItem.h"
#include "GedDesScene.h"
#include "GedDesTrans.h"
#include "GedDesState.h"
#include "CommonDefinitions.h"

namespace DESpot
{
DiagramTextItem::DiagramTextItem(QGraphicsItem *parent, QGraphicsScene *scene)
    : QGraphicsTextItem(parent, scene)
{
    setFlag(QGraphicsItem::ItemIsMovable);
    setFlag(QGraphicsItem::ItemIsSelectable);

    // this will prevent being rotating or scaled by others
    // I commented it out so that exporting the DES as an image works properly
    // (the text needs to be scaled in order to export at the right size).
    // If something odd is happening with the DiagramTextItem, then uncomment
    // this.
    // setFlag(QGraphicsItem::ItemIgnoresTransformations,true);

    // next needed for changes made to qt 4.6 and greater
#ifdef  __QT_Vers_gteq_4_6__
    setFlag(QGraphicsItem::ItemSendsGeometryChanges);
#endif

}

DiagramTextItem::DiagramTextItem(ParentType parentType, QGraphicsItem *parent, QGraphicsScene *scene)
    : QGraphicsTextItem(parent, scene)
{
	myParentType = parentType;
    setFlag(QGraphicsItem::ItemIsMovable);
    setFlag(QGraphicsItem::ItemIsSelectable);

    // next needed for changes made to qt 4.6 and greater
#ifdef  __QT_Vers_gteq_4_6__
    setFlag(QGraphicsItem::ItemSendsGeometryChanges);
#endif

}

QVariant DiagramTextItem::itemChange(GraphicsItemChange change,
                     const QVariant &value)
{
    if (change == QGraphicsItem::ItemSelectedChange)
        emit selectedChange(this);
    return value;
}

void DiagramTextItem::focusOutEvent(QFocusEvent *event)
{
    setTextInteractionFlags(Qt::NoTextInteraction);
    emit lostFocus(this);
    QGraphicsTextItem::focusOutEvent(event);
}

void DiagramTextItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
    scene()->clearSelection();
    QGraphicsTextItem::mousePressEvent(event);
    setSelected(true);
}

void DiagramTextItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
    if (textInteractionFlags() & Qt::TextEditable) {
        QGraphicsTextItem::mouseMoveEvent(event);
    } else
        QGraphicsItem::mouseMoveEvent(event);
}

void DiagramTextItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
{
	myText = toPlainText(); // save original text for check
    setTextInteractionFlags(Qt::TextEditorInteraction);
    QGraphicsSceneMouseEvent *mouseEvent =
        new QGraphicsSceneMouseEvent(QEvent::GraphicsSceneMousePress);
    mouseEvent->setAccepted(true);
    mouseEvent->setPos(event->pos());
    mouseEvent->setScenePos(event->scenePos());
    mouseEvent->setScreenPos(event->screenPos());
    mouseEvent->setButtonDownPos(Qt::LeftButton,
        event->buttonDownPos(Qt::LeftButton));
    mouseEvent->setButtonDownScreenPos(Qt::LeftButton,
        event->buttonDownScreenPos(Qt::LeftButton));
    mouseEvent->setButtonDownScenePos(Qt::LeftButton,
        event->buttonDownScenePos(Qt::LeftButton));
    mouseEvent->setWidget(event->widget());

    QGraphicsTextItem::mousePressEvent(mouseEvent);

    delete mouseEvent;
}
}
