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// Created on: 2017-06-16
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2017 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <inspector/DFBrowserPane_TDataStdTreeNodeItem.hxx>
#include <inspector/DFBrowserPane_Tools.hxx>
#include <inspector/DFBrowser_Module.hxx>
#include <inspector/DFBrowser_Tools.hxx>
#include <inspector/DFBrowserPane_AttributePane.hxx>
#include <inspector/DFBrowserPane_Tools.hxx>
#include <TDataStd_TreeNode.hxx>
#include <TDataStd_ChildNodeIterator.hxx>
#include <TDF_AttributeIterator.hxx>
#include <TDF_ChildIterator.hxx>
#include <Standard_WarningsDisable.hxx>
#include <QIcon>
#include <QObject>
#include <Standard_WarningsRestore.hxx>
// =======================================================================
// function : Init
// purpose :
// =======================================================================
void DFBrowserPane_TDataStdTreeNodeItem::Init()
{
DFBrowserPane_TDataStdTreeNodeItemPtr aParentItem =
itemDynamicCast<DFBrowserPane_TDataStdTreeNodeItem>(Parent());
// if aParentItem is empty, it is the root item, an attribute field is already filled by
// SetAttribute method
if (aParentItem)
myAttribute = aParentItem->getChildAttribute(Row());
Handle(TDataStd_TreeNode) aTreeNode = Handle(TDataStd_TreeNode)::DownCast(myAttribute);
if (aTreeNode.IsNull())
return;
TreeModel_ItemBase::Init();
myRowCount = aTreeNode->NbChildren(false);
myLabelName = QString(DFBrowserPane_Tools::GetEntry(aTreeNode->Label()).ToCString());
}
// =======================================================================
// function : Reset
// purpose :
// =======================================================================
void DFBrowserPane_TDataStdTreeNodeItem::Reset()
{
DFBrowserPane_TDataStdTreeNodeItemPtr aParentItem =
itemDynamicCast<DFBrowserPane_TDataStdTreeNodeItem>(Parent());
if (aParentItem)
{
Handle(TDF_Attribute) anAttribute;
SetAttribute(anAttribute);
myRowCount = 0;
myLabelName = QString();
}
myIsCurrentItem = false;
TreeModel_ItemBase::Reset();
}
// =======================================================================
// function : data
// purpose :
// =======================================================================
QVariant DFBrowserPane_TDataStdTreeNodeItem::initValue(const int theRole) const
{
if (Column() != 0)
return QVariant();
switch (theRole)
{
case Qt::DisplayRole:
case Qt::ToolTipRole:
return getName();
case Qt::ForegroundRole:
return myIsCurrentItem ? QColor(Qt::darkBlue) : QColor(Qt::black);
case Qt::BackgroundRole:
return myIsCurrentItem ? DFBrowserPane_Tools::LightHighlightColor() : QVariant();
default:
break;
}
return QVariant();
}
// =======================================================================
// function : createChild
// purpose :
// =======================================================================
TreeModel_ItemBasePtr DFBrowserPane_TDataStdTreeNodeItem::createChild(int theRow, int theColumn)
{
return DFBrowserPane_TDataStdTreeNodeItem::CreateItem(currentItem(), theRow, theColumn);
}
// =======================================================================
// function : initItem
// purpose :
// =======================================================================
void DFBrowserPane_TDataStdTreeNodeItem::initItem() const
{
if (IsInitialized())
return;
const_cast<DFBrowserPane_TDataStdTreeNodeItem*>(this)->Init();
}
// =======================================================================
// function : getChildAttribute
// purpose :
// =======================================================================
Handle(TDF_Attribute) DFBrowserPane_TDataStdTreeNodeItem::getChildAttribute(
const int theChildRow) const
{
Handle(TDF_Attribute) aResult;
Handle(TDataStd_TreeNode) aTreeNode = Handle(TDataStd_TreeNode)::DownCast(myAttribute);
int aChildNodeId = 0;
for (TDataStd_ChildNodeIterator aChildIt(aTreeNode); aChildIt.More();
aChildIt.Next(), aChildNodeId++)
{
if (aChildNodeId != theChildRow)
continue;
aResult = aChildIt.Value();
break;
}
return aResult;
}
// =======================================================================
// function : getRowCount
// purpose :
// =======================================================================
int DFBrowserPane_TDataStdTreeNodeItem::getRowCount() const
{
initItem();
return myRowCount;
}
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