• Aleksei Kanash's avatar
    Reworked items copying mechanism. · 81a49e95
    Aleksei Kanash authored
    Now coping creates a full copy of already created item. Copy has it's own content (like video, audio or folder) and stores original item properties (like locked, pos, size, freezed e.t.c.).
    81a49e95
UBGraphicsCurtainItem.cpp 5.3 KB
/*
 * 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) any later version.
 *
 * 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 "UBGraphicsCurtainItem.h"

#include <QtGui>

#include "domain/UBGraphicsScene.h"

#include "UBGraphicsCurtainItemDelegate.h"
#include "core/UBApplication.h"
#include "core/UBApplicationController.h"
#include "core/UBDisplayManager.h" // TODO UB 4.x clean this dependency
#include "core/UBSettings.h"
#include "board/UBBoardController.h"
#include "board/UBBoardView.h"

#include "core/memcheck.h"

const QColor                        UBGraphicsCurtainItem::sDrawColor = Qt::white;
const QColor          UBGraphicsCurtainItem::sDarkBackgroundDrawColor = Qt::black;
const QColor               UBGraphicsCurtainItem::sOpaqueControlColor = QColor(191,191,191,255);
const QColor UBGraphicsCurtainItem::sDarkBackgroundOpaqueControlColor = QColor(63,63,63,255);

UBGraphicsCurtainItem::UBGraphicsCurtainItem(QGraphicsItem* parent)
    : QGraphicsRectItem(parent)
{
    mDelegate = new UBGraphicsCurtainItemDelegate(this, 0);
    mDelegate->init();
    setFlag(QGraphicsItem::ItemIsMovable, true);
    setFlag(QGraphicsItem::ItemIsSelectable, true);

#if QT_VERSION >= 0x040600 // needs Qt 4.6.0 or better
    setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
#endif

    setData(UBGraphicsItemData::ItemLayerType, UBItemLayerType::Tool);
    setPen(Qt::NoPen);
    this->setAcceptHoverEvents(true);

    setData(UBGraphicsItemData::itemLayerType, QVariant(itemLayerType::Curtain)); //Necessary to set if we want z value to be assigned correctly
}

UBGraphicsCurtainItem::~UBGraphicsCurtainItem()
{
    delete mDelegate;
}

QVariant UBGraphicsCurtainItem::itemChange(GraphicsItemChange change, const QVariant &value)
{

    QVariant newValue = value;

    if (mDelegate)
    {
        newValue = mDelegate->itemChange(change, value);
    }

    return QGraphicsRectItem::itemChange(change, newValue);
}

void UBGraphicsCurtainItem::setUuid(const QUuid &pUuid)
{
    UBItem::setUuid(pUuid);
    setData(UBGraphicsItemData::ItemUuid, QVariant(pUuid)); //store item uuid inside the QGraphicsItem to fast operations with Items on the scene
}

void UBGraphicsCurtainItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
    if (mDelegate->mousePressEvent(event))
    {
        //NOOP
    }
    else
    {
        QGraphicsRectItem::mousePressEvent(event);
    }
}

void UBGraphicsCurtainItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
    if (mDelegate->mouseMoveEvent(event))
    {
        // NOOP;
    }
    else
    {
        QGraphicsRectItem::mouseMoveEvent(event);
    }
}

void UBGraphicsCurtainItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
    mDelegate->mouseReleaseEvent(event);
    QGraphicsRectItem::mouseReleaseEvent(event);
}


void UBGraphicsCurtainItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    QColor color = drawColor();

    if(widget == UBApplication::boardController->controlView()->viewport())
    {
        color = UBSettings::paletteColor;
        if(!UBApplication::applicationController->displayManager()->hasDisplay())
        {
            color = opaqueControlColor();
        }
    }

    // Never draw the rubber band, we draw our custom selection with the DelegateFrame
    QStyleOptionGraphicsItem styleOption = QStyleOptionGraphicsItem(*option);
    styleOption.state &= ~QStyle::State_Selected;

    painter->fillRect(rect(), color);
}


UBItem* UBGraphicsCurtainItem::deepCopy() const
{
   UBGraphicsCurtainItem* copy = new UBGraphicsCurtainItem();

    copyItemParameters(copy);

   // TODO UB 4.7 ... complete all members ?

   return copy;
}

void UBGraphicsCurtainItem::copyItemParameters(UBItem *copy) const
{
    UBGraphicsCurtainItem *cp = dynamic_cast<UBGraphicsCurtainItem*>(copy);
    if (cp)
    {
        cp->setRect(this->rect());
        cp->setPos(this->pos());
        cp->setBrush(this->brush());
        cp->setPen(this->pen());
        cp->setTransform(this->transform());
        cp->setFlag(QGraphicsItem::ItemIsMovable, true);
        cp->setFlag(QGraphicsItem::ItemIsSelectable, true);
        cp->setData(UBGraphicsItemData::ItemLayerType, this->data(UBGraphicsItemData::ItemLayerType));
    }
}

QColor UBGraphicsCurtainItem::drawColor() const
{
    UBGraphicsScene* pScene = static_cast<UBGraphicsScene*>(QGraphicsRectItem::scene());
    return pScene->isDarkBackground() ? sDarkBackgroundDrawColor : sDrawColor;
}


QColor UBGraphicsCurtainItem::opaqueControlColor() const
{
    UBGraphicsScene* pScene = static_cast<UBGraphicsScene*>(QGraphicsRectItem::scene());
    return pScene->isDarkBackground() ? sDarkBackgroundOpaqueControlColor : sOpaqueControlColor;
}


void UBGraphicsCurtainItem::remove()
{
    if (mDelegate)
        mDelegate->remove(true);
}


void UBGraphicsCurtainItem::triggerRemovedSignal()
{
    emit removed();
}