valentina/src/libs/vtools/tools/nodeDetails/vnodepoint.cpp
Roman Telezhynskyi 5fb0eb42fd Fix Valentina crash.
Valentina crashes if remove piece node parent.

--HG--
branch : develop
2017-11-13 11:29:29 +02:00

357 lines
13 KiB
C++

/************************************************************************
**
** @file vnodepoint.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date November 15, 2013
**
** @brief
** @copyright
** This source code is part of the Valentina project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013-2015 Valentina project
** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
**
** Valentina 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 3 of the License, or
** (at your option) any later version.
**
** Valentina 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 Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
#include "vnodepoint.h"
#include <QBrush>
#include <QDomElement>
#include <QFlags>
#include <QGraphicsLineItem>
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QIcon>
#include <QMenu>
#include <QPen>
#include <QPoint>
#include <QRectF>
#include <QSharedPointer>
#include <QStaticStringData>
#include <QStringData>
#include <QStringDataPtr>
#include <Qt>
#include <new>
#include "../../../vgeometry/vpointf.h"
#include "../../../vwidgets/vgraphicssimpletextitem.h"
#include "../ifc/xml/vdomdocument.h"
#include "../ifc/ifcdef.h"
#include "../vmisc/vabstractapplication.h"
#include "../vpatterndb/vcontainer.h"
#include "../vwidgets/vmaingraphicsscene.h"
#include "../vwidgets/vmaingraphicsview.h"
#include "../vabstracttool.h"
#include "../vdatatool.h"
#include "vabstractnode.h"
#include "../../undocommands/label/movelabel.h"
#include "../../undocommands/label/showlabel.h"
#include "../vtoolseamallowance.h"
const QString VNodePoint::ToolType = QStringLiteral("modeling");
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VNodePoint constructor.
* @param initData init data.
* @param parent parent object.
*/
VNodePoint::VNodePoint(const VAbstractNodeInitData &initData, QObject *qoParent, QGraphicsItem *parent)
: VAbstractNode(initData.doc, initData.data, initData.id, initData.idObject, initData.drawName, initData.idTool,
qoParent),
VScenePoint(parent)
{
connect(m_namePoint, &VGraphicsSimpleTextItem::PointChoosed, this, &VNodePoint::PointChoosed);
connect(m_namePoint, &VGraphicsSimpleTextItem::NameChangePosition, this, &VNodePoint::NameChangePosition);
connect(m_namePoint, &VGraphicsSimpleTextItem::ShowContextMenu,
this, [this](QGraphicsSceneContextMenuEvent *event)
{
contextMenuEvent(event);
});
RefreshPointGeometry(*VAbstractTool::data.GeometricObject<VPointF>(initData.id));
ToolCreation(initData.typeCreation);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief Create help create tool.
* @param initData init data.
*/
void VNodePoint::Create(const VAbstractNodeInitData &initData)
{
if (initData.parse == Document::FullParse)
{
VAbstractTool::AddRecord(initData.id, Tool::NodePoint, initData.doc);
//TODO Need create garbage collector and remove all nodes, what we don't use.
//Better check garbage before each saving file. Check only modeling tags.
VNodePoint *point = new VNodePoint(initData);
connect(initData.scene, &VMainGraphicsScene::EnableToolMove, point, &VNodePoint::EnableToolMove);
connect(initData.scene, &VMainGraphicsScene::EnablePointItemHover, point, &VNodePoint::AllowHover);
connect(initData.scene, &VMainGraphicsScene::EnablePointItemSelection, point, &VNodePoint::AllowSelecting);
connect(initData.scene, &VMainGraphicsScene::EnableLabelItemHover, point, &VNodePoint::AllowLabelHover);
connect(initData.scene, &VMainGraphicsScene::EnableLabelItemSelection, point, &VNodePoint::AllowLabelSelecting);
VAbstractPattern::AddTool(initData.id, point);
if (initData.idTool != NULL_ID)
{
//Some nodes we don't show on scene. Tool that create this nodes must free memory.
VDataTool *tool = VAbstractPattern::getTool(initData.idTool);
SCASSERT(tool != nullptr)
point->setParent(tool);// Adopted by a tool
}
else
{
// Try to prevent memory leak
initData.scene->addItem(point);// First adopted by scene
point->hide();// If no one will use node, it will stay hidden
point->SetParentType(ParentType::Scene);
}
}
else
{
initData.doc->UpdateToolData(initData.id, initData.data);
}
}
//---------------------------------------------------------------------------------------------------------------------
QString VNodePoint::getTagName() const
{
return VAbstractPattern::TagPoint;
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::ChangeLabelPosition(quint32 id, const QPointF &pos)
{
if (id == m_id)
{
QSharedPointer<VPointF> point = VAbstractTool::data.GeometricObject<VPointF>(id);
point->setMx(pos.x());
point->setMy(pos.y());
m_namePoint->blockSignals(true);
m_namePoint->setPos(pos);
m_namePoint->blockSignals(false);
RefreshLine();
if (QGraphicsScene *sc = scene())
{
VMainGraphicsView::NewSceneRect(sc, qApp->getSceneView(), this);
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::SetLabelVisible(quint32 id, bool visible)
{
if (m_id == id)
{
const QSharedPointer<VPointF> point = VAbstractTool::data.GeometricObject<VPointF>(id);
point->SetShowLabel(visible);
RefreshPointGeometry(*point);
if (QGraphicsScene *sc = scene())
{
VMainGraphicsView::NewSceneRect(sc, qApp->getSceneView(), this);
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::PointChoosed()
{
emit ChoosedTool(m_id, SceneObject::Point);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief FullUpdateFromFile update tool data form file.
*/
void VNodePoint::FullUpdateFromFile()
{
try
{
RefreshPointGeometry(*VAbstractTool::data.GeometricObject<VPointF>(m_id));
}
catch (const VExceptionBadId &)
{
// ignore
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief AddToFile add tag with informations about tool into file.
*/
void VNodePoint::AddToFile()
{
const QSharedPointer<VPointF> point = VAbstractTool::data.GeometricObject<VPointF>(m_id);
QDomElement domElement = doc->createElement(getTagName());
doc->SetAttribute(domElement, VDomDocument::AttrId, m_id);
doc->SetAttribute(domElement, AttrType, ToolType);
doc->SetAttribute(domElement, AttrIdObject, idNode);
doc->SetAttribute(domElement, AttrMx, qApp->fromPixel(point->mx()));
doc->SetAttribute(domElement, AttrMy, qApp->fromPixel(point->my()));
doc->SetAttribute<bool>(domElement, AttrShowLabel, point->IsShowLabel());
if (idTool != NULL_ID)
{
doc->SetAttribute(domElement, AttrIdTool, idTool);
}
AddToModeling(domElement);
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
// Special for not selectable item first need to call standard mousePressEvent then accept event
VScenePoint::mousePressEvent(event);
// Somehow clicking on notselectable object do not clean previous selections.
if (not (flags() & ItemIsSelectable) && scene())
{
scene()->clearSelection();
}
event->accept();// Special for not selectable item first need to call standard mousePressEvent then accept event
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief mouseReleaseEvent handle mouse release events.
* @param event mouse release event.
*/
void VNodePoint::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (IsSelectedByReleaseEvent(this, event))
{
emit ChoosedTool(m_id, SceneObject::Point);
}
VScenePoint::mouseReleaseEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief NameChangePosition label change position.
* @param pos new position.
*/
void VNodePoint::NameChangePosition(const QPointF &pos)
{
qApp->getUndoStack()->push(new MoveLabel(doc, pos - this->pos(), m_id));
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::ShowNode()
{
if (parentType != ParentType::Scene && not m_exluded)
{
show();
}
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::HideNode()
{
hide();
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
{
if (m_suppressContextMenu)
{
return;
}
if (VToolSeamAllowance *piece = qgraphicsitem_cast<VToolSeamAllowance *>(parentItem()))
{
QMenu menu;
QAction *actionOption = menu.addAction(QIcon::fromTheme("preferences-other"), tr("Options"));
QAction *inLayoutOption = menu.addAction(tr("In layout"));
inLayoutOption->setCheckable(true);
const VPiece detail = VAbstractTool::data.GetPiece(piece->getId());
inLayoutOption->setChecked(detail.IsInLayout());
QAction *actionShowLabel = menu.addAction(tr("Show label"));
actionShowLabel->setCheckable(true);
actionShowLabel->setChecked(VAbstractTool::data.GeometricObject<VPointF>(m_id)->IsShowLabel());
QAction *actionExclude = menu.addAction(tr("Exclude"));
QAction *actionRemove = menu.addAction(QIcon::fromTheme("edit-delete"), tr("Delete"));
piece->referens() > 1 ? actionRemove->setEnabled(false) : actionRemove->setEnabled(true);
QAction *selectedAction = menu.exec(event->screenPos());
if (selectedAction == actionOption)
{
emit ShowOptions();
}
else if (selectedAction == inLayoutOption)
{
emit ToggleInLayout(selectedAction->isChecked());
}
else if (selectedAction == actionRemove)
{
try
{
emit Delete();
}
catch(const VExceptionToolWasDeleted &e)
{
Q_UNUSED(e);
return;//Leave this method immediately!!!
}
//Leave this method immediately after call!!!
}
else if (selectedAction == actionShowLabel)
{
qApp->getUndoStack()->push(new ShowLabel(doc, m_id, selectedAction->isChecked()));
}
else if (selectedAction == actionExclude)
{
emit ToggleExcludeState(m_id);
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::EnableToolMove(bool move)
{
m_namePoint->setFlag(QGraphicsItem::ItemIsMovable, move);
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::AllowHover(bool enabled)
{
setAcceptHoverEvents(enabled);
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::AllowSelecting(bool enabled)
{
setFlag(QGraphicsItem::ItemIsSelectable, enabled);
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::AllowLabelHover(bool enabled)
{
m_namePoint->setAcceptHoverEvents(enabled);
}
//---------------------------------------------------------------------------------------------------------------------
void VNodePoint::AllowLabelSelecting(bool enabled)
{
m_namePoint->setFlag(QGraphicsItem::ItemIsSelectable, enabled);
}