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1 | // Created on: 2017-06-16 |
| 2 | // Created by: Natalia ERMOLAEVA |
| 3 | // Copyright (c) 2017 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 7 | // This library is free software; you can redistribute it and/or modify it under |
| 8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 9 | // by the Free Software Foundation, with special exception defined in the file |
| 10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | // distribution for complete text of the license and disclaimer of any warranty. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
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16 | #include <inspector/TreeModel_ItemBase.hxx> |
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17 | |
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18 | #include <inspector/TreeModel_ItemRole.hxx> |
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19 | |
| 20 | #include <QStringList> |
| 21 | |
| 22 | // ======================================================================= |
| 23 | // function : Constructor |
| 24 | // purpose : |
| 25 | // ======================================================================= |
| 26 | TreeModel_ItemBase::TreeModel_ItemBase (TreeModel_ItemBasePtr theParent, const int theRow, const int theColumn) |
| 27 | : m_bInitialized (false) |
| 28 | { |
| 29 | m_pParent = theParent; |
| 30 | m_iRow = theRow; |
| 31 | m_iColumn = theColumn; |
| 32 | } |
| 33 | |
| 34 | // ======================================================================= |
| 35 | // function : reset |
| 36 | // purpose : |
| 37 | // ======================================================================= |
| 38 | void TreeModel_ItemBase::Reset() |
| 39 | { |
| 40 | for (PositionToItemHash::const_iterator aChildrenIt = m_ChildItems.begin(); aChildrenIt != m_ChildItems.end(); aChildrenIt++) |
| 41 | { |
| 42 | TreeModel_ItemBasePtr anItem = aChildrenIt.value(); |
| 43 | if (anItem) |
| 44 | anItem->Reset(); |
| 45 | } |
| 46 | m_bInitialized = false; |
| 47 | mycachedValues.clear(); |
| 48 | |
| 49 | } |
| 50 | |
| 51 | // ======================================================================= |
| 52 | // function : child |
| 53 | // purpose : |
| 54 | // ======================================================================= |
| 55 | TreeModel_ItemBasePtr TreeModel_ItemBase::Child (int theRow, int theColumn, const bool isToCreate) |
| 56 | { |
| 57 | QPair<int, int> aPos = qMakePair (theRow, theColumn); |
| 58 | |
| 59 | if (m_ChildItems.contains (aPos)) |
| 60 | return m_ChildItems[aPos]; |
| 61 | |
| 62 | TreeModel_ItemBasePtr anItem; |
| 63 | if (isToCreate) { |
| 64 | anItem = createChild (theRow, theColumn); |
| 65 | if (anItem) |
| 66 | m_ChildItems[aPos] = anItem; |
| 67 | } |
| 68 | return anItem; |
| 69 | } |
| 70 | |
| 71 | // ======================================================================= |
| 72 | // function : currentItem |
| 73 | // purpose : |
| 74 | // ======================================================================= |
| 75 | const TreeModel_ItemBasePtr TreeModel_ItemBase::currentItem() |
| 76 | { |
| 77 | return TreeModel_ItemBasePtr (this); |
| 78 | } |
| 79 | |
| 80 | // ======================================================================= |
| 81 | // function : cachedValue |
| 82 | // purpose : |
| 83 | // ======================================================================= |
| 84 | QVariant TreeModel_ItemBase::cachedValue (const int theItemRole) const |
| 85 | { |
| 86 | if (mycachedValues.contains (theItemRole)) |
| 87 | return mycachedValues[theItemRole]; |
| 88 | |
| 89 | const_cast<TreeModel_ItemBase*>(this)->mycachedValues.insert (theItemRole, |
| 90 | theItemRole == TreeModel_ItemRole_RowCountRole ? QVariant (initRowCount()) : initValue (theItemRole)); |
| 91 | |
| 92 | return mycachedValues.contains (theItemRole) ? mycachedValues[theItemRole] : QVariant(); |
| 93 | } |
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