1 // TortoiseSVN - a Windows shell extension for easy version control
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3 // Copyright (C) 2003-2009 - TortoiseSVN
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5 // This program is free software; you can redistribute it and/or
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6 // modify it under the terms of the GNU General Public License
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7 // as published by the Free Software Foundation; either version 2
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8 // of the License, or (at your option) any later version.
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10 // This program is distributed in the hope that it will be useful,
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11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 // GNU General Public License for more details.
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15 // You should have received a copy of the GNU General Public License
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16 // along with this program; if not, write to the Free Software Foundation,
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17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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21 #include "StandardNodeSizeAssignment.h"
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22 #include "StandardLayout.h"
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23 #include "VisibleGraphNode.h"
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24 #include "GraphNodeState.h"
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28 CStandardNodeSizeAssignment::CStandardNodeSizeAssignment
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29 ( CRevisionGraphOptionList& list
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30 , const CGraphNodeStates* nodeStates)
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31 : CRevisionGraphOptionImpl<ILayoutOption, 100, 0> (list)
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32 , nodeStates (nodeStates)
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36 // cast @a layout pointer to the respective modification
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37 // interface and write the data.
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39 void CStandardNodeSizeAssignment::ApplyTo (IRevisionGraphLayout* layout)
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41 // we need access to actual data
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43 IStandardLayoutNodeAccess* nodeAccess
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44 = dynamic_cast<IStandardLayoutNodeAccess*>(layout);
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45 if (nodeAccess == NULL)
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50 for (index_t i = 0, count = nodeAccess->GetNodeCount(); i < count; ++i)
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52 CStandardLayoutNodeInfo* node = nodeAccess->GetNode(i);
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54 // expand node to show the path, if necessary
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56 node->requiresPath = (node->previousInBranch == NULL)
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57 || ( node->previousInBranch->node->GetPath()
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58 != node->node->GetPath());
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61 if (node->requiresPath)
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63 size_t visibleElementCount = node->node->GetPath().GetDepth()
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64 - node->skipStartPathElements
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65 - node->skipTailPathElements;
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66 height += 3 + visibleElementCount * 21;
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69 // shift (root) nodes down, if their source has been folded
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70 // (otherwise, glyphs would be partly hidden)
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72 DWORD state = nodeStates->GetFlags (node->node);
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73 int shift = (state & ( CGraphNodeStates::COLLAPSED_ABOVE
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74 | CGraphNodeStates::SPLIT_ABOVE)) == 0
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78 int extension = (state & ( CGraphNodeStates::COLLAPSED_BELOW
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79 | CGraphNodeStates::SPLIT_BELOW)) == 0
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85 node->requiredSize = CSize (200, height + extension + shift);
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86 node->rect = CRect (0, shift, 200, height + shift);
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