slideshow/source/inc/doctreenode.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
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  12  *   contributor license agreements. See the NOTICE file distributed
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  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SLIDESHOW_SOURCE_INC_DOCTREENODE_HXX
  21 #define INCLUDED_SLIDESHOW_SOURCE_INC_DOCTREENODE_HXX
  22
  23 #include <sal/types.h>
  24 #include <vector>
  25
  26
  27 /* Definition of DocTreeNode class */
  28
  29 namespace slideshow
  30 {
  31     namespace internal
  32     {
  33
  34         /** This class represents kind of a DOM tree node for shape
  35             text
  36
  37             In order to animate subsets of shape text, we need
  38             information about the logical and formatting structure of
  39             that text (lines, paragraphs, words etc.). This is
  40             represented in a tree structure, with DocTreeNodes as the
  41             nodes. Instances of this class can be queried from the
  42             DocTreeNodeSupplier interface.
  43
  44             This class has nothing to do with the Draw document tree.
  45          */
  46         class DocTreeNode
  47         {
  48         public:
  49             /// Type of shape entity represented by this node
  50             enum NodeType
  51             {
  52                 NODETYPE_INVALID=0,
  53
  54                 /// This node represents a full shape
  55                 NODETYPE_FORMATTING_SHAPE=1,
  56                 /// This node represents a line
  57                 NODETYPE_FORMATTING_LINE=2,
  58
  59                 /// This node represents a full shape
  60                 NODETYPE_LOGICAL_SHAPE=128,
  61                 /// This node represents a paragraph
  62                 NODETYPE_LOGICAL_PARAGRAPH=129,
  63                 /// This node represents a sentence
  64                 NODETYPE_LOGICAL_SENTENCE=130,
  65                 /// This node represents a word
  66                 NODETYPE_LOGICAL_WORD=131,
  67                 /// This node represents a character
  68                 NODETYPE_LOGICAL_CHARACTER_CELL=132
  69             };
  70
  71             /** Create empty tree node
  72              */
  73             DocTreeNode() :
  74                 mnStartIndex(-1),
  75                 mnEndIndex(-1),
  76                 meType(NODETYPE_INVALID)
  77             {
  78             }
  79
  80             /** Create tree node from start and end index.
  81
  82                 Create a tree node for the given range and type.
  83
  84                 @param nStartIndex
  85                 Start index
  86
  87                 @param nEndIndex
  88                 End index (exclusive)
  89
  90                 @param eType
  91                 Node type
  92              */
  93             DocTreeNode( sal_Int32 nStartIndex,
  94                          sal_Int32 nEndIndex,
  95                          NodeType  eType ) :
  96                 mnStartIndex(nStartIndex),
  97                 mnEndIndex(nEndIndex),
  98                 meType(eType)
  99             {
 100             }
 101
 102             bool                isEmpty() const { return mnStartIndex == mnEndIndex; }
 103
 104             sal_Int32           getStartIndex() const { return mnStartIndex; }
 105             sal_Int32           getEndIndex() const { return mnEndIndex; }
 106             void                setEndIndex( sal_Int32 nIndex ) { mnEndIndex = nIndex; }
 107
 108             void                reset()
 109             {
 110                 mnStartIndex = -1;
 111                 mnEndIndex   = -1;
 112                 meType = NODETYPE_INVALID;
 113             }
 114
 115         private:
 116             sal_Int32   mnStartIndex;
 117             sal_Int32   mnEndIndex;
 118             NodeType    meType;
 119
 120         };
 121
 122         typedef ::std::vector< DocTreeNode > VectorOfDocTreeNodes;
 123     }
 124 }
 125
 126 #endif // INCLUDED_SLIDESHOW_SOURCE_INC_DOCTREENODE_HXX
 127
 128 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */