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1 IriSP.Widgets.Tagcloud = function(player, config) { |
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2 IriSP.Widgets.Widget.call(this, player, config); |
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3 this.stopwords = IriSP._.uniq([].concat(this.custom_stopwords).concat(this.stopword_lists[this.stopword_language])); |
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4 } |
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5 |
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6 IriSP.Widgets.Tagcloud.prototype = new IriSP.Widgets.Widget(); |
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7 |
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8 IriSP.Widgets.Tagcloud.prototype.template = |
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9 '<div class="Ldt-Tagcloud-Container"><ul class="Ldt-Tagcloud-List">' |
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10 + '{{#words}}<li class="Ldt-Tagcloud-item Ldt-TraceMe" trace-info="tag:{{word}}" content="{{word}}" style="font-size: {{size}}px">{{word}}</li>{{/words}}' |
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11 + '</ul></div>'; |
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12 |
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13 IriSP.Widgets.Tagcloud.prototype.defaults = { |
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14 include_titles: true, |
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15 include_descriptions: true, |
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16 include_tag_texts: true, |
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17 tag_count: 30, |
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18 stopword_language: "fr", |
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19 custom_stopwords: [], |
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20 exclude_pattern: false, |
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21 annotation_type: false, |
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22 segment_annotation_type: false, |
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23 min_font_size: 10, |
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24 max_font_size: 26 |
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25 } |
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26 |
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27 IriSP.Widgets.Tagcloud.prototype.stopword_lists = { |
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28 "fr" : [ |
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29 'aussi', 'avec', 'aux', 'bien', 'car', 'cette', 'comme', 'dans', 'des', 'donc', 'dont', 'elle', 'encore', 'entre', 'est', |
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30 'être', 'eux', 'faire', 'fait', 'http', 'ici', 'ils', 'les', 'leur', 'leurs', 'mais', 'mes', 'même', 'mon', 'notre', |
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31 'non', 'nos', 'nous', 'ont', 'par', 'pas', 'peu', 'peut', 'plus', 'pour', 'quand', 'que', 'qui', 'quoi', 'sans', |
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32 'ses' ,'son', 'sont', 'sur', 'tes', 'très', 'the', 'ton', 'tous', 'tout', 'une', 'votre', 'vos', 'vous' |
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33 ], |
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34 "en" : [ |
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35 'about', 'again', 'are', 'and', 'because', 'being', 'but', 'can', 'done', 'have', 'for', 'from', |
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36 'get', 'here', 'http', 'like', 'more', 'one', 'our', 'she', 'that', 'the', 'their', 'then', 'there', |
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37 'they', 'this', 'very', 'what', 'when', 'where', 'who', 'why', 'will', 'with', 'www', 'you', 'your' |
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38 ] |
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39 } |
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40 |
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41 IriSP.Widgets.Tagcloud.prototype.draw = function() { |
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42 this.bindPopcorn("IriSP.search", "onSearch"); |
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43 this.bindPopcorn("IriSP.search.closed", "onSearch"); |
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44 this.bindPopcorn("IriSP.search.cleared", "onSearch"); |
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45 |
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46 if (this.segment_annotation_type) { |
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47 this.bindPopcorn("timeupdate","onTimeupdate"); |
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48 } else { |
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49 this.redraw(); |
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50 } |
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51 } |
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52 |
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53 IriSP.Widgets.Tagcloud.prototype.onTimeupdate = function() { |
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54 var _time = Math.floor(this.player.popcorn.currentTime() * 1000), |
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55 _list = this.source.getAnnotationsByTypeTitle(this.segment_annotation_type).filter(function(_annotation) { |
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56 return _annotation.begin <= _time && _annotation.end > _time; |
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57 }); |
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58 if (_list.length) { |
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59 if (_list[0].begin !== this.begin_time || _list[0].end !== this.end_time) { |
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60 this.begin_time = _list[0].begin; |
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61 this.end_time = _list[0].end; |
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62 this.redraw(); |
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63 } |
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64 } |
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65 } |
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66 |
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67 IriSP.Widgets.Tagcloud.prototype.redraw = function() { |
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68 var _urlRegExp = /https?:\/\/[0-9a-zA-Z\.%\/-_]+/g, |
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69 _regexpword = /[^\s\.&;,'"!\?\d\(\)\+\[\]\\\…\-«»:\/]{3,}/g, |
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70 _words = {}, |
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71 _this = this, |
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72 _annotations = this.getWidgetAnnotations(); |
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73 |
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74 if (typeof this.begin_time !== "undefined" && typeof this.end_time !== "undefined") { |
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75 _annotations = _annotations.filter(function(_annotation) { |
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76 return _annotation.begin >= _this.begin_time && _annotation.end <= _this.end_time; |
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77 }) |
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78 } |
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79 |
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80 _annotations.forEach(function(_annotation) { |
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81 var _txt = |
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82 (_this.include_titles ? _annotation.title : '') |
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83 + ' ' |
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84 + (_this.include_descriptions ? _annotation.description : '') |
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85 + ' ' |
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86 + (_this.include_tag_texts ? _annotation.getTagTexts() : ''); |
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87 IriSP._(_txt.toLowerCase().replace(_urlRegExp, '').match(_regexpword)).each(function(_word) { |
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88 if (IriSP._(_this.stopwords).indexOf(_word) == -1 && (!_this.exclude_pattern || !_this.exclude_pattern.test(_word))) { |
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89 _words[_word] = 1 + (_words[_word] || 0); |
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90 } |
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91 }) |
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92 }); |
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93 _words = IriSP._(_words) |
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94 .chain() |
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95 .map(function(_v, _k) { |
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96 return { |
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97 "word" : _k, |
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98 "count" : _v |
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99 } |
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100 }) |
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101 .filter(function(_v) { |
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102 return _v.count > 2; |
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103 }) |
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104 .sortBy(function(_v) { |
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105 return - _v.count; |
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106 }) |
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107 .first(this.tag_count) |
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108 .value(); |
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109 if (_words.length) { |
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110 var _max = _words[0].count, |
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111 _min = Math.min(_words[_words.length - 1].count, _max - 1), |
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112 _scale = (this.max_font_size - this.min_font_size) / Math.sqrt(_max - _min); |
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113 IriSP._(_words).each(function(_word) { |
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114 _word.size = Math.floor( _this.min_font_size + _scale * Math.sqrt(_word.count - _min) ); |
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115 }); |
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116 } |
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117 this.$.html(Mustache.to_html(this.template, {words: _words })); |
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118 this.$.find(".Ldt-Tagcloud-item").click(function() { |
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119 var _txt = IriSP.jQuery(this).attr("content"); |
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120 _this.player.popcorn.trigger("IriSP.search.triggeredSearch", _txt); |
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121 }); |
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122 |
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123 } |
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124 |
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125 IriSP.Widgets.Tagcloud.prototype.onSearch = function(searchString) { |
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126 searchString = typeof searchString !== "undefined" ? searchString : ''; |
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127 if (searchString) { |
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128 var _rgxp = IriSP.Model.regexpFromTextOrArray(searchString); |
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129 } |
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130 this.$.find(".Ldt-Tagcloud-item").each(function() { |
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131 var _el = IriSP.jQuery(this), |
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132 _txt = _el.attr("content"); |
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133 if (searchString) { |
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134 _el.html(_txt.replace(_rgxp, '<span class="Ldt-Tagcloud-active">$1</span>')); |
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135 } else { |
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136 _el.html(_txt); |
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137 } |
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138 }); |
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139 } |