lib/paintweb/docs/api-ref/symbols/src/src_extensions_moodle.js.html

   1 <html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
   2         .KEYW {color: #933;}
   3         .COMM {color: #bbb; font-style: italic;}
   4         .NUMB {color: #393;}
   5         .STRN {color: #393;}
   6         .REGX {color: #339;}
   7         .line {border-right: 1px dotted #666; color: #666; font-style: normal;}
   8         </style></head><body><pre><span class='line'>  1</span> <span class="COMM">/*
   9 <span class='line'>  2</span>  * Copyright (C) 2009 Mihai Şucan
  10 <span class='line'>  3</span>  *
  11 <span class='line'>  4</span>  * This file is part of PaintWeb.
  12 <span class='line'>  5</span>  *
  13 <span class='line'>  6</span>  * PaintWeb is free software: you can redistribute it and/or modify
  14 <span class='line'>  7</span>  * it under the terms of the GNU General Public License as published by
  15 <span class='line'>  8</span>  * the Free Software Foundation, either version 3 of the License, or
  16 <span class='line'>  9</span>  * (at your option) any later version.
  17 <span class='line'> 10</span>  *
  18 <span class='line'> 11</span>  * PaintWeb is distributed in the hope that it will be useful,
  19 <span class='line'> 12</span>  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 <span class='line'> 13</span>  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 <span class='line'> 14</span>  * GNU General Public License for more details.
  22 <span class='line'> 15</span>  *
  23 <span class='line'> 16</span>  * You should have received a copy of the GNU General Public License
  24 <span class='line'> 17</span>  * along with PaintWeb.  If not, see &lt;http://www.gnu.org/licenses/>.
  25 <span class='line'> 18</span>  *
  26 <span class='line'> 19</span>  * $URL: http://code.google.com/p/paintweb $
  27 <span class='line'> 20</span>  * $Date: 2009-07-28 18:49:37 +0300 $
  28 <span class='line'> 21</span>  */</span><span class="WHIT">
  29 <span class='line'> 22</span>
  30 <span class='line'> 23</span> </span><span class="COMM">/**
  31 <span class='line'> 24</span>  * @author &lt;a lang="ro" href="http://www.robodesign.ro/mihai">Mihai Şucan&lt;/a>
  32 <span class='line'> 25</span>  * @fileOverview Holds the integration code for PaintWeb inside &lt;a
  33 <span class='line'> 26</span>  * href="http://www.moodle.org">Moodle&lt;/a>.
  34 <span class='line'> 27</span>  */</span><span class="WHIT">
  35 <span class='line'> 28</span>
  36 <span class='line'> 29</span> </span><span class="COMM">/**
  37 <span class='line'> 30</span>  * @class The Moodle extension for PaintWeb. This extension handles the Moodle
  38 <span class='line'> 31</span>  * integration inside the PaintWeb code.
  39 <span class='line'> 32</span>  *
  40 <span class='line'> 33</span>  * @param {PaintWeb} app Reference to the main paint application object.
  41 <span class='line'> 34</span>  */</span><span class="WHIT">
  42 <span class='line'> 35</span> </span><span class="NAME">pwlib.extensions.moodle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">app</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
  43 <span class='line'> 36</span> </span><span class="WHIT">  </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">_self</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT">
  44 <span class='line'> 37</span> </span><span class="WHIT">      </span><span class="NAME">appEvent</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">pwlib.appEvent</span><span class="PUNC">,</span><span class="WHIT">
  45 <span class='line'> 38</span> </span><span class="WHIT">      </span><span class="NAME">config</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">app.config</span><span class="PUNC">,</span><span class="WHIT">
  46 <span class='line'> 39</span> </span><span class="WHIT">      </span><span class="NAME">gui</span><span class="WHIT">      </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">app.gui</span><span class="PUNC">,</span><span class="WHIT">
  47 <span class='line'> 40</span> </span><span class="WHIT">      </span><span class="NAME">lang</span><span class="WHIT">     </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">app.lang.moodle</span><span class="PUNC">;</span><span class="WHIT">
  48 <span class='line'> 41</span>
  49 <span class='line'> 42</span> </span><span class="WHIT">  </span><span class="COMM">// Holds properties related to Moodle.</span><span class="WHIT">
  50 <span class='line'> 43</span> </span><span class="WHIT">  </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">moodle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
  51 <span class='line'> 44</span> </span><span class="WHIT">    </span><span class="COMM">// Holds the URL of the image the user is saving.</span><span class="WHIT">
  52 <span class='line'> 45</span> </span><span class="WHIT">    </span><span class="NAME">imageURL</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
  53 <span class='line'> 46</span>
  54 <span class='line'> 47</span> </span><span class="WHIT">    </span><span class="COMM">// The class name for the element which holds the textarea buttons (toggle </span><span class="WHIT">
  55 <span class='line'> 48</span> </span><span class="WHIT">    </span><span class="COMM">// on/off).</span><span class="WHIT">
  56 <span class='line'> 49</span> </span><span class="WHIT">    </span><span class="NAME">textareaButtons</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'textareaicons'</span><span class="PUNC">,</span><span class="WHIT">
  57 <span class='line'> 50</span>
  58 <span class='line'> 51</span> </span><span class="WHIT">    </span><span class="COMM">// The image save handler script on the server-side. The path is relative to </span><span class="WHIT">
  59 <span class='line'> 52</span> </span><span class="WHIT">    </span><span class="COMM">// the PaintWeb base folder.</span><span class="WHIT">
  60 <span class='line'> 53</span> </span><span class="WHIT">    </span><span class="NAME">imageSaveHandler</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'../ext/moodle/imagesave.php'</span><span class="WHIT">
  61 <span class='line'> 54</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
  62 <span class='line'> 55</span>
  63 <span class='line'> 56</span> </span><span class="WHIT">  </span><span class="COMM">/**
  64 <span class='line'> 57</span>    * The &lt;code>extensionRegister&lt;/code> event handler.
  65 <span class='line'> 58</span>    *
  66 <span class='line'> 59</span>    * @returns {Boolean} True if the extension initialized successfully, or false
  67 <span class='line'> 60</span>    * if not.
  68 <span class='line'> 61</span>    */</span><span class="WHIT">
  69 <span class='line'> 62</span> </span><span class="WHIT">  </span><span class="NAME">this.extensionRegister</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
  70 <span class='line'> 63</span> </span><span class="WHIT">    </span><span class="COMM">// Register application events.</span><span class="WHIT">
  71 <span class='line'> 64</span> </span><span class="WHIT">    </span><span class="NAME">app.events.add</span><span class="PUNC">(</span><span class="STRN">'guiShow'</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NAME">this.guiShow</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
  72 <span class='line'> 65</span> </span><span class="WHIT">    </span><span class="NAME">app.events.add</span><span class="PUNC">(</span><span class="STRN">'guiHide'</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NAME">this.guiHide</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
  73 <span class='line'> 66</span> </span><span class="WHIT">    </span><span class="NAME">app.events.add</span><span class="PUNC">(</span><span class="STRN">'imageSave'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.imageSave</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
  74 <span class='line'> 67</span>
  75 <span class='line'> 68</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
  76 <span class='line'> 69</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
  77 <span class='line'> 70</span>
  78 <span class='line'> 71</span> </span><span class="WHIT">  </span><span class="COMM">/**
  79 <span class='line'> 72</span>    * The &lt;code>extensionUnregister&lt;/code> event handler.
  80 <span class='line'> 73</span>    */</span><span class="WHIT">
  81 <span class='line'> 74</span> </span><span class="WHIT">  </span><span class="NAME">this.extensionUnregister</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
  82 <span class='line'> 75</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
  83 <span class='line'> 76</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
  84 <span class='line'> 77</span>
  85 <span class='line'> 78</span> </span><span class="WHIT">  </span><span class="COMM">/**
  86 <span class='line'> 79</span>    * The &lt;code>imageSave&lt;/code> application event handler. When the user
  87 <span class='line'> 80</span>    * attempts to save an image, this extension handles the event by sending the
  88 <span class='line'> 81</span>    * image data to the Moodle server, to perform the actual save operation.
  89 <span class='line'> 82</span>    *
  90 <span class='line'> 83</span>    * @private
  91 <span class='line'> 84</span>    * @param {pwlib.appEvent.imageSave} ev The application event object.
  92 <span class='line'> 85</span>    */</span><span class="WHIT">
  93 <span class='line'> 86</span> </span><span class="WHIT">  </span><span class="NAME">this.imageSave</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
  94 <span class='line'> 87</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">ev.dataURL</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
  95 <span class='line'> 88</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
  96 <span class='line'> 89</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
  97 <span class='line'> 90</span>
  98 <span class='line'> 91</span> </span><span class="WHIT">    </span><span class="NAME">ev.preventDefault</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
  99 <span class='line'> 92</span>
 100 <span class='line'> 93</span> </span><span class="WHIT">    </span><span class="NAME">moodle.imageURL</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.imageLoad.src</span><span class="PUNC">;</span><span class="WHIT">
 101 <span class='line'> 94</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">moodle.imageURL</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">moodle.imageURL.substr</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">5</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'data:'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 102 <span class='line'> 95</span> </span><span class="WHIT">      </span><span class="NAME">moodle.imageURL</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'-'</span><span class="PUNC">;</span><span class="WHIT">
 103 <span class='line'> 96</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
 104 <span class='line'> 97</span>
 105 <span class='line'> 98</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">moodle.imageSaveHandler</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">config.moodleSaveMethod</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'dataURL'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 106 <span class='line'> 99</span> </span><span class="WHIT">      </span><span class="NAME">app.events.dispatch</span><span class="PUNC">(</span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">appEvent.imageSaveResult</span><span class="PUNC">(</span><span class="KEYW">true</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">moodle.imageURL</span><span class="PUNC">,</span><span class="WHIT">
 107 <span class='line'>100</span>             </span><span class="NAME">ev.dataURL</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 108 <span class='line'>101</span>
 109 <span class='line'>102</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 110 <span class='line'>103</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">handlerURL</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">PaintWeb.baseFolder</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">moodle.imageSaveHandler</span><span class="PUNC">,</span><span class="WHIT">
 111 <span class='line'>104</span> </span><span class="WHIT">          </span><span class="NAME">send</span><span class="WHIT">       </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'url='</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">encodeURIComponent</span><span class="PUNC">(</span><span class="NAME">moodle.imageURL</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
 112 <span class='line'>105</span> </span><span class="WHIT">                       </span><span class="STRN">'&dataURL='</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">encodeURIComponent</span><span class="PUNC">(</span><span class="NAME">ev.dataURL</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
 113 <span class='line'>106</span> </span><span class="WHIT">          </span><span class="NAME">headers</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="STRN">'Content-Type'</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'application/x-www-form-urlencoded'</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
 114 <span class='line'>107</span>
 115 <span class='line'>108</span> </span><span class="WHIT">      </span><span class="NAME">pwlib.xhrLoad</span><span class="PUNC">(</span><span class="NAME">handlerURL</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">imageSaveReady</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'POST'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">send</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">headers</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 116 <span class='line'>109</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
 117 <span class='line'>110</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
 118 <span class='line'>111</span>
 119 <span class='line'>112</span> </span><span class="WHIT">  </span><span class="COMM">/**
 120 <span class='line'>113</span>    * The image save &lt;code>onreadystatechange&lt;/code> event handler for the
 121 <span class='line'>114</span>    * &lt;code>XMLHttpRequest&lt;/code> which performs the image save. This function
 122 <span class='line'>115</span>    * uses the reply to determine if the image save operation is successful or
 123 <span class='line'>116</span>    * not.
 124 <span class='line'>117</span>    *
 125 <span class='line'>118</span>    * &lt;p>The {@link pwlib.appEvent.imageSaveResult} application event is
 126 <span class='line'>119</span>    * dispatched.
 127 <span class='line'>120</span>    *
 128 <span class='line'>121</span>    * &lt;p>The server-side script must reply with a JSON object with the following
 129 <span class='line'>122</span>    * properties:
 130 <span class='line'>123</span>    *
 131 <span class='line'>124</span>    * &lt;ul>
 132 <span class='line'>125</span>    *   &lt;li>&lt;var>successful&lt;/var> which tells if the image save operation was
 133 <span class='line'>126</span>    *   successful or not;
 134 <span class='line'>127</span>    *
 135 <span class='line'>128</span>    *   &lt;li>&lt;var>url&lt;/var> which must tell the same URL as the image we just
 136 <span class='line'>129</span>    *   saved (sanity/security check);
 137 <span class='line'>130</span>    *
 138 <span class='line'>131</span>    *   &lt;li>&lt;var>urlNew&lt;/var> is optional. This allows the server-side script to
 139 <span class='line'>132</span>    *   change the image URL;
 140 <span class='line'>133</span>    *
 141 <span class='line'>134</span>    *   &lt;li>&lt;var>errorMessage&lt;/var> is optional. When the image save was not
 142 <span class='line'>135</span>    *   successful, an error message can be displayed.
 143 <span class='line'>136</span>    * &lt;/ul>
 144 <span class='line'>137</span>    *
 145 <span class='line'>138</span>    * @private
 146 <span class='line'>139</span>    * @param {XMLHttpRequest} xhr The XMLHttpRequest object.
 147 <span class='line'>140</span>    */</span><span class="WHIT">
 148 <span class='line'>141</span> </span><span class="WHIT">  </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">imageSaveReady</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">xhr</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 149 <span class='line'>142</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">xhr</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">xhr.readyState</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 150 <span class='line'>143</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
 151 <span class='line'>144</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
 152 <span class='line'>145</span>
 153 <span class='line'>146</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">result</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="NAME">successful</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">url</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">moodle.imageURL</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
 154 <span class='line'>147</span>
 155 <span class='line'>148</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NAME">xhr.status</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NUMB">304</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">xhr.status</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NUMB">200</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">xhr.responseText</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 156 <span class='line'>149</span> </span><span class="WHIT">      </span><span class="NAME">alert</span><span class="PUNC">(</span><span class="NAME">lang.xhrRequestFailed</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 157 <span class='line'>150</span>
 158 <span class='line'>151</span> </span><span class="WHIT">      </span><span class="NAME">app.events.dispatch</span><span class="PUNC">(</span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">appEvent.imageSaveResult</span><span class="PUNC">(</span><span class="KEYW">false</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">result.url</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
 159 <span class='line'>152</span>             </span><span class="NAME">lang.xhrRequestFailed</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 160 <span class='line'>153</span>
 161 <span class='line'>154</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
 162 <span class='line'>155</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
 163 <span class='line'>156</span>
 164 <span class='line'>157</span> </span><span class="WHIT">    </span><span class="KEYW">try</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 165 <span class='line'>158</span> </span><span class="WHIT">      </span><span class="NAME">result</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">JSON.parse</span><span class="PUNC">(</span><span class="NAME">xhr.responseText</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 166 <span class='line'>159</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">catch</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">err</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 167 <span class='line'>160</span> </span><span class="WHIT">      </span><span class="NAME">result.errorMessage</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lang.jsonParseFailed</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">"\n"</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">err</span><span class="PUNC">;</span><span class="WHIT">
 168 <span class='line'>161</span> </span><span class="WHIT">      </span><span class="NAME">alert</span><span class="PUNC">(</span><span class="NAME">result.errorMessage</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 169 <span class='line'>162</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
 170 <span class='line'>163</span>
 171 <span class='line'>164</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">result.successful</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 172 <span class='line'>165</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">result.url</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">moodle.imageURL</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 173 <span class='line'>166</span> </span><span class="WHIT">        </span><span class="NAME">alert</span><span class="PUNC">(</span><span class="NAME">pwlib.strf</span><span class="PUNC">(</span><span class="NAME">lang.urlMismatch</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 174 <span class='line'>167</span> </span><span class="WHIT">                </span><span class="NAME">url</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">moodle.imageURL</span><span class="PUNC">,</span><span class="WHIT">
 175 <span class='line'>168</span> </span><span class="WHIT">                </span><span class="NAME">urlServer</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">result.url</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="STRN">'null'</span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 176 <span class='line'>169</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
 177 <span class='line'>170</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 178 <span class='line'>171</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">result.errorMessage</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 179 <span class='line'>172</span> </span><span class="WHIT">        </span><span class="NAME">alert</span><span class="PUNC">(</span><span class="NAME">lang.imageSaveFailed</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">"\n"</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">result.errorMessage</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 180 <span class='line'>173</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 181 <span class='line'>174</span> </span><span class="WHIT">        </span><span class="NAME">alert</span><span class="PUNC">(</span><span class="NAME">lang.imageSaveFailed</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 182 <span class='line'>175</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
 183 <span class='line'>176</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
 184 <span class='line'>177</span>
 185 <span class='line'>178</span> </span><span class="WHIT">    </span><span class="NAME">app.events.dispatch</span><span class="PUNC">(</span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">appEvent.imageSaveResult</span><span class="PUNC">(</span><span class="NAME">result.successful</span><span class="PUNC">,</span><span class="WHIT">
 186 <span class='line'>179</span>           </span><span class="NAME">result.url</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">result.urlNew</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">result.errorMessage</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
 187 <span class='line'>180</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
 188 <span class='line'>181</span>
 189 <span class='line'>182</span> </span><span class="WHIT">  </span><span class="COMM">/**
 190 <span class='line'>183</span>    * The &lt;code>guiShow&lt;/code> application event handler. When the PaintWeb GUI
 191 <span class='line'>184</span>    * is shown, we must hide the textarea icons for the current textarea element,
 192 <span class='line'>185</span>    * inside a Moodle page.
 193 <span class='line'>186</span>    * @private
 194 <span class='line'>187</span>    */</span><span class="WHIT">
 195 <span class='line'>188</span> </span><span class="WHIT">  </span><span class="NAME">this.guiShow</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 196 <span class='line'>189</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">pNode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.guiPlaceholder.parentNode</span><span class="PUNC">,</span><span class="WHIT">
 197 <span class='line'>190</span> </span><span class="WHIT">        </span><span class="NAME">elem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">pNode.getElementsByClassName</span><span class="PUNC">(</span><span class="NAME">moodle.textareaButtons</span><span class="PUNC">)</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
 198 <span class='line'>191</span>
 199 <span class='line'>192</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">elem</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 200 <span class='line'>193</span> </span><span class="WHIT">      </span><span class="NAME">elem.style.display</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'none'</span><span class="PUNC">;</span><span class="WHIT">
 201 <span class='line'>194</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
 202 <span class='line'>195</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
 203 <span class='line'>196</span>
 204 <span class='line'>197</span> </span><span class="WHIT">  </span><span class="COMM">/**
 205 <span class='line'>198</span>    * The &lt;code>guiHide&lt;/code> application event handler. When the PaintWeb GUI
 206 <span class='line'>199</span>    * is hidden, we must show again the textarea icons for the current textarea
 207 <span class='line'>200</span>    * element, inside a Moodle page.
 208 <span class='line'>201</span>    * @private
 209 <span class='line'>202</span>    */</span><span class="WHIT">
 210 <span class='line'>203</span> </span><span class="WHIT">  </span><span class="NAME">this.guiHide</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 211 <span class='line'>204</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">pNode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.guiPlaceholder.parentNode</span><span class="PUNC">,</span><span class="WHIT">
 212 <span class='line'>205</span> </span><span class="WHIT">        </span><span class="NAME">elem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">pNode.getElementsByClassName</span><span class="PUNC">(</span><span class="NAME">moodle.textareaButtons</span><span class="PUNC">)</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
 213 <span class='line'>206</span>
 214 <span class='line'>207</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">elem</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
 215 <span class='line'>208</span> </span><span class="WHIT">      </span><span class="NAME">elem.style.display</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">''</span><span class="PUNC">;</span><span class="WHIT">
 216 <span class='line'>209</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
 217 <span class='line'>210</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
 218 <span class='line'>211</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
 219 <span class='line'>212</span>
 220 <span class='line'>213</span> </span><span class="COMM">// vim:set spell spl=en fo=wan1croqlt tw=80 ts=2 sw=2 sts=2 sta et ai cin fenc=utf-8 ff=unix:</span><span class="WHIT">
 221 <span class='line'>214</span>
 222 <span class='line'>215</span> </span></pre></body></html>