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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 "initialstateitem.h"
#include "initialwarningitem.h"
#include "graphicsitemprovider.h"
#include "scxmleditorconstants.h"
#include "scxmluifactory.h"
#include <QByteArray>
#include <QDataStream>
#include <QPainter>
using namespace ScxmlEditor::PluginInterface;
InitialStateItem::InitialStateItem(const QPointF &pos, BaseItem *parent)
: ConnectableItem(pos, parent)
{
setItemBoundingRect(QRectF(-20, -20, 40, 40));
setMinimumHeight(40);
setMinimumWidth(40);
m_pen.setColor(qRgb(0x12, 0x12, 0x12));
m_pen.setWidth(2);
checkWarningItems();
}
void InitialStateItem::checkWarningItems()
{
ScxmlUiFactory *uifactory = uiFactory();
if (uifactory) {
auto provider = static_cast<GraphicsItemProvider*>(uifactory->object("graphicsItemProvider"));
if (provider) {
if (!m_warningItem)
m_warningItem = static_cast<InitialWarningItem*>(provider->createWarningItem(Constants::C_STATE_WARNING_INITIAL, this));
}
}
}
QVariant InitialStateItem::itemChange(GraphicsItemChange change, const QVariant &value)
{
QVariant retValue = ConnectableItem::itemChange(change, value);
switch (change) {
case QGraphicsItem::ItemSceneHasChanged:
checkWarningItems();
break;
default:
break;
}
return retValue;
}
void InitialStateItem::updatePolygon()
{
QRectF r = boundingRect();
m_size = qMin(r.width() * 0.45, r.height() * 0.45);
QPointF center = r.center();
m_polygon.clear();
m_polygon << (center + QPointF(-m_size, -m_size))
<< (center + QPointF(m_size, -m_size))
<< (center + QPointF(m_size, m_size))
<< (center + QPointF(-m_size, m_size))
<< (center + QPointF(-m_size, -m_size));
if (m_warningItem)
m_warningItem->updatePos();
}
void InitialStateItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
ConnectableItem::paint(painter, option, widget);
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setOpacity(getOpacity());
m_pen.setColor(overlapping() ? qRgb(0xff, 0x00, 0x60) : qRgb(0x45, 0x45, 0x45));
painter->setPen(m_pen);
painter->setBrush(QColor(0x4d, 0x4d, 0x4d));
painter->drawEllipse(boundingRect().center(), m_size, m_size);
painter->restore();
}
InitialWarningItem *InitialStateItem::warningItem() const
{
return m_warningItem;
}
bool InitialStateItem::canStartTransition(ItemType type) const
{
if (transitionCount() > 0)
return false;
switch (type) {
case UnknownType:
case StateType:
case ParallelType:
return true;
default:
return false;
}
}
void InitialStateItem::checkWarnings()
{
if (m_warningItem)
m_warningItem->check();
}
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