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gist
layoutcursor.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Guido Tack <tack@gecode.org>
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*
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* Copyright:
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* Guido Tack, 2006
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*
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* Last modified:
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* $Date: 2013-05-06 09:02:17 +0200 (Mon, 06 May 2013) $ by $Author: tack $
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* $Revision: 13613 $
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace
Gecode {
namespace
Gist {
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forceinline
bool
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LayoutCursor::mayMoveDownwards
(
void
) {
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return
NodeCursor<VisualNode>::mayMoveDownwards
() &&
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node
()->
isDirty
();
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}
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inline
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LayoutCursor::LayoutCursor
(
VisualNode
* theNode,
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const
VisualNode::NodeAllocator
& na)
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:
NodeCursor
<
VisualNode
>(theNode,na) {}
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forceinline
void
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LayoutCursor::processCurrentNode
(
void
) {
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VisualNode
* currentNode =
node
();
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if
(currentNode->
isDirty
()) {
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if
(currentNode->
isHidden
()) {
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// do nothing
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}
else
if
(
false
&& currentNode->
getNumberOfChildren
() < 1) {
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currentNode->
setShape
(
Shape::leaf
);
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}
else
{
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currentNode->
computeShape
(
na
,
startNode
());
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}
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currentNode->
setDirty
(
false
);
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}
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if
(currentNode->
getNumberOfChildren
() >= 1)
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currentNode->
setChildrenLayoutDone
(
true
);
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}
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}}
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// STATISTICS: gist-any