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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> ******************************************************************************************************/</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "CmdAbstract.h"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "CmdFactory.h"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "CmdMediator.h"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "CmdRedoForTest.h"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "CmdStackShadow.h"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "CmdUndoForTest.h"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "Document.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "DocumentSerialize.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "Logger.h"</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "MainWindow.h"</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <QUndoCommand></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <QXmlStreamReader></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "Xml.h"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="classCmdStackShadow.html#ac56db4ae6dbb76e8569666418c24cb9c"> 21</a></span> <a class="code" href="classCmdStackShadow.html#ac56db4ae6dbb76e8569666418c24cb9c">CmdStackShadow::CmdStackShadow</a>() :</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  m_mainWindow (0)</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  LOG4CPP_INFO_S ((*mainCat)) << <span class="stringliteral">"CmdStackShadow::CmdStackShadow"</span>;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> }</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="classCmdStackShadow.html#a255e38a68ad878578add9824a1ef54e6"> 27</a></span> <span class="keywordtype">bool</span> <a class="code" href="classCmdStackShadow.html#a255e38a68ad878578add9824a1ef54e6">CmdStackShadow::canRedo</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword"></span>{</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  LOG4CPP_INFO_S ((*mainCat)) << <span class="stringliteral">"CmdStackShadow::canRedo"</span>;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordtype">bool</span> <a class="code" href="classCmdStackShadow.html#a255e38a68ad878578add9824a1ef54e6">canRedo</a> = (m_cmdList.count () > 0);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> <a class="code" href="classCmdStackShadow.html#a255e38a68ad878578add9824a1ef54e6">canRedo</a>;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> }</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classCmdStackShadow.html#a7544f8a4189ef219eecf772df208db2b"> 36</a></span> <span class="keywordtype">void</span> <a class="code" href="classCmdStackShadow.html#a7544f8a4189ef219eecf772df208db2b">CmdStackShadow::loadCommands</a> (<a class="code" href="classMainWindow.html">MainWindow</a> &mainWindow,</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="classDocument.html">Document</a> &document,</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  QXmlStreamReader &reader)</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  LOG4CPP_INFO_S ((*mainCat)) << <span class="stringliteral">"CmdStackShadow::loadCommands"</span>;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// Save pointer to MainWindow</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  m_mainWindow = &mainWindow;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// Signals for hack that allows script to perform redo/undo</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  connect (<span class="keyword">this</span>, SIGNAL (<a class="code" href="classCmdStackShadow.html#a1ab9208cc03d8d68c4339c55d5c50aab">signalRedo</a> ()), mainWindow.<a class="code" href="classMainWindow.html#a06649ff5d55c3b6fe8c20d26bae29937">cmdMediator</a>(), SLOT (redo ()));</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  connect (<span class="keyword">this</span>, SIGNAL (<a class="code" href="classCmdStackShadow.html#a5251f72bf353a9f4d9bb27097f07c59a">signalUndo</a> ()), mainWindow.<a class="code" href="classMainWindow.html#a06649ff5d55c3b6fe8c20d26bae29937">cmdMediator</a>(), SLOT (undo ()));</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">// Load commands</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classCmdFactory.html">CmdFactory</a> factory;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">while</span> (!reader.atEnd() && !reader.hasError()) {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> ((loadNextFromReader (reader) == QXmlStreamReader::StartElement) &&</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  (reader.name() == DOCUMENT_SERIALIZE_CMD)) {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Extract and append new command to command stack</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  m_cmdList.push_back (factory.createCmd (mainWindow,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  document,</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  reader));</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classCmdStackShadow.html#a4661ca8ade6f29cc9bb6df35a16128aa"> 64</a></span> <span class="keywordtype">void</span> <a class="code" href="classCmdStackShadow.html#a4661ca8ade6f29cc9bb6df35a16128aa">CmdStackShadow::slotRedo</a> ()</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  LOG4CPP_INFO_S ((*mainCat)) << <span class="stringliteral">"CmdStackShadow::slotRedo"</span>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (m_cmdList.count() > 0) {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// Get the next command from the shadow command stack</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  QUndoCommand *cmd = <span class="keyword">dynamic_cast<</span>QUndoCommand*<span class="keyword">></span> (m_cmdList.front());</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// Remove this command from the shadow command stack</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  m_cmdList.pop_front();</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (m_mainWindow != 0) {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="classCmdRedoForTest.html">CmdRedoForTest</a> *cmdRedoForTest = <span class="keyword">dynamic_cast<</span><a class="code" href="classCmdRedoForTest.html">CmdRedoForTest</a>*<span class="keyword">></span> (cmd);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classCmdUndoForTest.html">CmdUndoForTest</a> *cmdUndoForTest = <span class="keyword">dynamic_cast<</span><a class="code" href="classCmdUndoForTest.html">CmdUndoForTest</a>*<span class="keyword">></span> (cmd);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (cmdRedoForTest != 0) {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// Redo command is a special case. Redo of this command is equivalent to redo of the last command on the command stack</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// (which will never be CmdRedoForTest or CmdUndoForTest since they are never passed onto that command stack)</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  emit (<a class="code" href="classCmdStackShadow.html#a1ab9208cc03d8d68c4339c55d5c50aab">signalRedo</a> ());</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cmdUndoForTest != 0) {</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// Undo command is a special case. Redo of this command is equivalent to undo of the last command on the command stack</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// (which will never be CmdRedoForTest or CmdUndoForTest since they are never passed onto that command stack)</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  emit (<a class="code" href="classCmdStackShadow.html#a5251f72bf353a9f4d9bb27097f07c59a">signalUndo</a> ());</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// Normal command is simply pushed onto the primary command stack</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  m_mainWindow-><a class="code" href="classMainWindow.html#a06649ff5d55c3b6fe8c20d26bae29937">cmdMediator</a>()->push(cmd);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classCmdStackShadow.html#ab4cfdc37f52f8786cf75900a5f43a1ca"> 103</a></span> <span class="keywordtype">void</span> <a class="code" href="classCmdStackShadow.html#ab4cfdc37f52f8786cf75900a5f43a1ca">CmdStackShadow::slotUndo</a>()</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  LOG4CPP_INFO_S ((*mainCat)) << <span class="stringliteral">"CmdStackShadow::slotUndo"</span>;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  CmdListInternal::iterator itr;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">for</span> (itr = m_cmdList.begin(); itr != m_cmdList.end(); itr++) {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="classCmdAbstract.html">CmdAbstract</a> *cmd = *itr;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">delete</span> cmd;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  m_cmdList.clear();</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }</div><div class="ttc" id="classCmdStackShadow_html_a255e38a68ad878578add9824a1ef54e6"><div class="ttname"><a href="classCmdStackShadow.html#a255e38a68ad878578add9824a1ef54e6">CmdStackShadow::canRedo</a></div><div class="ttdeci">bool canRedo() const</div><div class="ttdoc">Return true if there is a command available. </div><div class="ttdef"><b>Definition:</b> <a href="CmdStackShadow_8cpp_source.html#l00027">CmdStackShadow.cpp:27</a></div></div>
<div class="ttc" id="classCmdFactory_html"><div class="ttname"><a href="classCmdFactory.html">CmdFactory</a></div><div class="ttdoc">Factory for CmdAbstractBase objects. </div><div class="ttdef"><b>Definition:</b> <a href="CmdFactory_8h_source.html#l00016">CmdFactory.h:16</a></div></div>
<div class="ttc" id="classCmdStackShadow_html_a1ab9208cc03d8d68c4339c55d5c50aab"><div class="ttname"><a href="classCmdStackShadow.html#a1ab9208cc03d8d68c4339c55d5c50aab">CmdStackShadow::signalRedo</a></div><div class="ttdeci">void signalRedo()</div><div class="ttdoc">Signal used to emulate a shift-control-z redo command from user during testing. </div></div>
<div class="ttc" id="classCmdAbstract_html"><div class="ttname"><a href="classCmdAbstract.html">CmdAbstract</a></div><div class="ttdoc">Wrapper around QUndoCommand. This simplifies the more complicated feature set of QUndoCommand. </div><div class="ttdef"><b>Definition:</b> <a href="CmdAbstract_8h_source.html#l00019">CmdAbstract.h:19</a></div></div>
<div class="ttc" id="classCmdUndoForTest_html"><div class="ttname"><a href="classCmdUndoForTest.html">CmdUndoForTest</a></div><div class="ttdoc">Command for performing Undo during testing. </div><div class="ttdef"><b>Definition:</b> <a href="CmdUndoForTest_8h_source.html#l00020">CmdUndoForTest.h:20</a></div></div>
<div class="ttc" id="classCmdRedoForTest_html"><div class="ttname"><a href="classCmdRedoForTest.html">CmdRedoForTest</a></div><div class="ttdoc">Command for performing Redo during testing. </div><div class="ttdef"><b>Definition:</b> <a href="CmdRedoForTest_8h_source.html#l00020">CmdRedoForTest.h:20</a></div></div>
<div class="ttc" id="classCmdStackShadow_html_a4661ca8ade6f29cc9bb6df35a16128aa"><div class="ttname"><a href="classCmdStackShadow.html#a4661ca8ade6f29cc9bb6df35a16128aa">CmdStackShadow::slotRedo</a></div><div class="ttdeci">void slotRedo()</div><div class="ttdoc">Move next command from list to CmdMediator. Noop if there are no more commands. </div><div class="ttdef"><b>Definition:</b> <a href="CmdStackShadow_8cpp_source.html#l00064">CmdStackShadow.cpp:64</a></div></div>
<div class="ttc" id="classMainWindow_html_a06649ff5d55c3b6fe8c20d26bae29937"><div class="ttname"><a href="classMainWindow.html#a06649ff5d55c3b6fe8c20d26bae29937">MainWindow::cmdMediator</a></div><div class="ttdeci">CmdMediator * cmdMediator()</div><div class="ttdoc">Accessor for commands to process the Document. </div><div class="ttdef"><b>Definition:</b> <a href="MainWindow_8cpp_source.html#l00320">MainWindow.cpp:320</a></div></div>
<div class="ttc" id="classCmdStackShadow_html_ac56db4ae6dbb76e8569666418c24cb9c"><div class="ttname"><a href="classCmdStackShadow.html#ac56db4ae6dbb76e8569666418c24cb9c">CmdStackShadow::CmdStackShadow</a></div><div class="ttdeci">CmdStackShadow()</div><div class="ttdoc">Single constructor. </div><div class="ttdef"><b>Definition:</b> <a href="CmdStackShadow_8cpp_source.html#l00021">CmdStackShadow.cpp:21</a></div></div>
<div class="ttc" id="classCmdStackShadow_html_ab4cfdc37f52f8786cf75900a5f43a1ca"><div class="ttname"><a href="classCmdStackShadow.html#ab4cfdc37f52f8786cf75900a5f43a1ca">CmdStackShadow::slotUndo</a></div><div class="ttdeci">void slotUndo()</div><div class="ttdoc">Throw away every command since trying to reconcile two different command stacks after an undo is too ...</div><div class="ttdef"><b>Definition:</b> <a href="CmdStackShadow_8cpp_source.html#l00103">CmdStackShadow.cpp:103</a></div></div>
<div class="ttc" id="classDocument_html"><div class="ttname"><a href="classDocument.html">Document</a></div><div class="ttdoc">Storage of one imported image and the data attached to that image. </div><div class="ttdef"><b>Definition:</b> <a href="Document_8h_source.html#l00041">Document.h:41</a></div></div>
<div class="ttc" id="classCmdStackShadow_html_a5251f72bf353a9f4d9bb27097f07c59a"><div class="ttname"><a href="classCmdStackShadow.html#a5251f72bf353a9f4d9bb27097f07c59a">CmdStackShadow::signalUndo</a></div><div class="ttdeci">void signalUndo()</div><div class="ttdoc">Signal used to emulate a shift-z undo command from user during testing. </div></div>
<div class="ttc" id="classCmdStackShadow_html_a7544f8a4189ef219eecf772df208db2b"><div class="ttname"><a href="classCmdStackShadow.html#a7544f8a4189ef219eecf772df208db2b">CmdStackShadow::loadCommands</a></div><div class="ttdeci">void loadCommands(MainWindow &mainWindow, Document &document, QXmlStreamReader &reader)</div><div class="ttdoc">Load commands from serialized xml. </div><div class="ttdef"><b>Definition:</b> <a href="CmdStackShadow_8cpp_source.html#l00036">CmdStackShadow.cpp:36</a></div></div>
<div class="ttc" id="classMainWindow_html"><div class="ttname"><a href="classMainWindow.html">MainWindow</a></div><div class="ttdoc">Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...</div><div class="ttdef"><b>Definition:</b> <a href="MainWindow_8h_source.html#l00086">MainWindow.h:86</a></div></div>
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