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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/TreeModel_ColumnType.hxx>
#include <inspector/TreeModel_ItemBase.hxx>
#include <inspector/TreeModel_ItemProperties.hxx>
#include <inspector/TreeModel_ItemRole.hxx>
#include <inspector/TreeModel_ItemStream.hxx>
#include <Standard_Dump.hxx>
#include <Standard_WarningsDisable.hxx>
#include <QStringList>
#include <Standard_WarningsRestore.hxx>
// =======================================================================
// function : Constructor
// purpose :
// =======================================================================
TreeModel_ItemBase::TreeModel_ItemBase(TreeModel_ItemBasePtr theParent,
const int theRow,
const int theColumn)
: m_iStreamChildren(0),
m_bInitialized(false)
{
m_pParent = theParent;
m_iRow = theRow;
m_iColumn = theColumn;
}
// =======================================================================
// function : Reset
// purpose :
// =======================================================================
void TreeModel_ItemBase::Reset()
{
for (PositionToItemHash::const_iterator aChildrenIt = m_ChildItems.begin();
aChildrenIt != m_ChildItems.end();
aChildrenIt++)
{
TreeModel_ItemBasePtr anItem = aChildrenIt.value();
if (anItem)
anItem->Reset();
}
m_bInitialized = false;
if (!myProperties.IsNull())
{
myProperties->Reset();
}
myCachedValues.clear();
myStream.str("");
}
// =======================================================================
// function : Reset
// purpose :
// =======================================================================
void TreeModel_ItemBase::Reset(int theRole)
{
if (!myCachedValues.contains(theRole))
return;
myCachedValues.remove(theRole);
}
// =======================================================================
// function : child
// purpose :
// =======================================================================
TreeModel_ItemBasePtr TreeModel_ItemBase::Child(int theRow, int theColumn, const bool isToCreate)
{
QPair<int, int> aPos = qMakePair(theRow, theColumn);
if (m_ChildItems.contains(aPos))
return m_ChildItems[aPos];
TreeModel_ItemBasePtr anItem;
if (isToCreate)
{
if (theRow < m_iStreamChildren)
anItem = TreeModel_ItemStream::CreateItem(currentItem(), theRow, theColumn);
else
anItem = createChild(theRow - m_iStreamChildren, theColumn);
if (anItem)
m_ChildItems[aPos] = anItem;
}
return anItem;
}
// =======================================================================
// function : Presentations
// purpose :
// =======================================================================
void TreeModel_ItemBase::Presentations(
NCollection_List<Handle(Standard_Transient)>& thePresentations)
{
if (Column() != 0)
return;
const Handle(TreeModel_ItemProperties)& anItemProperties = Properties();
if (anItemProperties)
{
anItemProperties->Presentations(thePresentations);
}
}
// =======================================================================
// function : currentItem
// purpose :
// =======================================================================
const TreeModel_ItemBasePtr TreeModel_ItemBase::currentItem()
{
return TreeModel_ItemBasePtr(this);
}
// =======================================================================
// function : cachedValue
// purpose :
// =======================================================================
QVariant TreeModel_ItemBase::cachedValue(const int theItemRole) const
{
if (myCachedValues.contains(theItemRole))
return myCachedValues[theItemRole];
QVariant aValueToCache;
if (theItemRole == TreeModel_ItemRole_RowCountRole)
aValueToCache = initRowCount() + const_cast<TreeModel_ItemBase*>(this)->initStreamRowCount();
else
aValueToCache = initValue(theItemRole);
myCachedValues.insert(theItemRole, aValueToCache);
return myCachedValues.contains(theItemRole) ? myCachedValues[theItemRole] : QVariant();
}
// =======================================================================
// function : Init
// purpose :
// =======================================================================
void TreeModel_ItemBase::Init()
{
m_bInitialized = true;
initStream(myStream);
initStreamRowCount();
}
// =======================================================================
// function : Object
// purpose :
// =======================================================================
const Handle(Standard_Transient)& TreeModel_ItemBase::Object() const
{
static Handle(Standard_Transient) aNullObject;
return aNullObject;
}
// =======================================================================
// function : initStreamRowCount
// purpose :
// =======================================================================
int TreeModel_ItemBase::initStreamRowCount()
{
int aStreamChildrenCount = 0;
if (Column() == 0)
{
Standard_SStream aStream;
initStream(aStream);
if (!Standard_Dump::Text(aStream).IsEmpty())
{
if (!myProperties)
{
myProperties = new TreeModel_ItemProperties();
myProperties->SetItem(currentItem());
}
myProperties->Init();
aStreamChildrenCount = myProperties->Children().Extent();
}
}
m_iStreamChildren = aStreamChildrenCount;
return m_iStreamChildren;
}
// =======================================================================
// function : initValue
// purpose :
// =======================================================================
QVariant TreeModel_ItemBase::initValue(const int theItemRole) const
{
if (theItemRole != Qt::DisplayRole && theItemRole != Qt::ToolTipRole)
return QVariant();
switch (Column())
{
case TreeModel_ColumnType_Row: {
return Row();
}
}
return QVariant();
}
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