1 | var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }, |
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2 | __hasProp = Object.prototype.hasOwnProperty, |
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3 | __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor; child.__super__ = parent.prototype; return child; }; |
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4 | |
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5 | Annotator.Plugin.Filter = (function(_super) { |
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6 | |
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7 | __extends(Filter, _super); |
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8 | |
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9 | Filter.prototype.events = { |
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10 | ".annotator-filter-property input focus": "_onFilterFocus", |
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11 | ".annotator-filter-property input blur": "_onFilterBlur", |
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12 | ".annotator-filter-property input keyup": "_onFilterKeyup", |
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13 | ".annotator-filter-previous click": "_onPreviousClick", |
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14 | ".annotator-filter-next click": "_onNextClick", |
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15 | ".annotator-filter-clear click": "_onClearClick" |
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16 | }; |
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17 | |
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18 | Filter.prototype.classes = { |
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19 | active: 'annotator-filter-active', |
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20 | hl: { |
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21 | hide: 'annotator-hl-filtered', |
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22 | active: 'annotator-hl-active' |
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23 | } |
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24 | }; |
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25 | |
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26 | Filter.prototype.html = { |
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27 | element: "<div class=\"annotator-filter\">\n <strong>" + Annotator._t('Navigate:') + "</strong>\n<span class=\"annotator-filter-navigation\">\n <button class=\"annotator-filter-previous\">" + Annotator._t('Previous') + "</button>\n<button class=\"annotator-filter-next\">" + Annotator._t('Next') + "</button>\n</span>\n<strong>" + Annotator._t('Filter by:') + "</strong>\n</div>", |
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28 | filter: "<span class=\"annotator-filter-property\">\n <label></label>\n <input/>\n <button class=\"annotator-filter-clear\">" + Annotator._t('Clear') + "</button>\n</span>" |
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29 | }; |
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30 | |
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31 | Filter.prototype.options = { |
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32 | appendTo: 'body', |
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33 | filters: [], |
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34 | addAnnotationFilter: true, |
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35 | isFiltered: function(input, property) { |
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36 | var keyword, _i, _len, _ref; |
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37 | if (!(input && property)) return false; |
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38 | _ref = input.split(/\s*/); |
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39 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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40 | keyword = _ref[_i]; |
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41 | if (property.indexOf(keyword) === -1) return false; |
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42 | } |
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43 | return true; |
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44 | } |
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45 | }; |
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46 | |
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47 | function Filter(element, options) { |
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48 | this._onPreviousClick = __bind(this._onPreviousClick, this); |
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49 | this._onNextClick = __bind(this._onNextClick, this); |
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50 | this._onFilterKeyup = __bind(this._onFilterKeyup, this); |
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51 | this._onFilterBlur = __bind(this._onFilterBlur, this); |
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52 | this._onFilterFocus = __bind(this._onFilterFocus, this); |
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53 | this.updateHighlights = __bind(this.updateHighlights, this); element = $(this.html.element).appendTo(this.options.appendTo); |
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54 | Filter.__super__.constructor.call(this, element, options); |
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55 | this.filter = $(this.html.filter); |
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56 | this.filters = []; |
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57 | this.current = 0; |
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58 | } |
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59 | |
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60 | Filter.prototype.pluginInit = function() { |
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61 | var filter, _i, _len, _ref; |
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62 | _ref = this.options.filters; |
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63 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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64 | filter = _ref[_i]; |
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65 | this.addFilter(filter); |
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66 | } |
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67 | this.updateHighlights(); |
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68 | this._setupListeners()._insertSpacer(); |
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69 | if (this.options.addAnnotationFilter === true) { |
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70 | return this.addFilter({ |
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71 | label: Annotator._t('Annotation'), |
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72 | property: 'text' |
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73 | }); |
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74 | } |
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75 | }; |
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76 | |
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77 | Filter.prototype._insertSpacer = function() { |
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78 | var currentMargin, html; |
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79 | html = $('html'); |
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80 | currentMargin = parseInt(html.css('padding-top'), 10) || 0; |
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81 | html.css('padding-top', currentMargin + this.element.outerHeight()); |
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82 | return this; |
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83 | }; |
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84 | |
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85 | Filter.prototype._setupListeners = function() { |
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86 | var event, events, _i, _len; |
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87 | events = ['annotationsLoaded', 'annotationCreated', 'annotationUpdated', 'annotationDeleted']; |
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88 | for (_i = 0, _len = events.length; _i < _len; _i++) { |
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89 | event = events[_i]; |
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90 | this.annotator.subscribe(event, this.updateHighlights); |
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91 | } |
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92 | return this; |
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93 | }; |
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94 | |
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95 | Filter.prototype.addFilter = function(options) { |
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96 | var f, filter; |
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97 | filter = $.extend({ |
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98 | label: '', |
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99 | property: '', |
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100 | isFiltered: this.options.isFiltered |
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101 | }, options); |
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102 | if (!((function() { |
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103 | var _i, _len, _ref, _results; |
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104 | _ref = this.filters; |
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105 | _results = []; |
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106 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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107 | f = _ref[_i]; |
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108 | if (f.property === filter.property) _results.push(f); |
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109 | } |
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110 | return _results; |
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111 | }).call(this)).length) { |
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112 | filter.id = 'annotator-filter-' + filter.property; |
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113 | filter.annotations = []; |
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114 | filter.element = this.filter.clone().appendTo(this.element); |
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115 | filter.element.find('label').html(filter.label).attr('for', filter.id); |
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116 | filter.element.find('input').attr({ |
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117 | id: filter.id, |
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118 | placeholder: Annotator._t('Filter by ') + filter.label + '\u2026' |
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119 | }); |
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120 | filter.element.find('button').hide(); |
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121 | filter.element.data('filter', filter); |
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122 | this.filters.push(filter); |
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123 | } |
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124 | return this; |
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125 | }; |
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126 | |
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127 | Filter.prototype.updateFilter = function(filter) { |
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128 | var annotation, annotations, input, property, _i, _len, _ref; |
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129 | filter.annotations = []; |
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130 | this.updateHighlights(); |
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131 | this.resetHighlights(); |
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132 | input = $.trim(filter.element.find('input').val()); |
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133 | if (input) { |
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134 | annotations = this.highlights.map(function() { |
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135 | return $(this).data('annotation'); |
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136 | }); |
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137 | _ref = $.makeArray(annotations); |
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138 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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139 | annotation = _ref[_i]; |
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140 | property = annotation[filter.property]; |
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141 | if (filter.isFiltered(input, property)) { |
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142 | filter.annotations.push(annotation); |
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143 | } |
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144 | } |
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145 | return this.filterHighlights(); |
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146 | } |
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147 | }; |
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148 | |
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149 | Filter.prototype.updateHighlights = function() { |
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150 | this.highlights = this.annotator.element.find('.annotator-hl:visible'); |
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151 | return this.filtered = this.highlights.not(this.classes.hl.hide); |
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152 | }; |
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153 | |
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154 | Filter.prototype.filterHighlights = function() { |
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155 | var activeFilters, annotation, annotations, filtered, highlights, index, uniques, _len, _ref; |
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156 | activeFilters = $.grep(this.filters, function(filter) { |
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157 | return !!filter.annotations.length; |
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158 | }); |
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159 | filtered = ((_ref = activeFilters[0]) != null ? _ref.annotations : void 0) || []; |
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160 | if (activeFilters.length > 1) { |
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161 | annotations = []; |
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162 | $.each(activeFilters, function() { |
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163 | return $.merge(annotations, this.annotations); |
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164 | }); |
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165 | uniques = []; |
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166 | filtered = []; |
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167 | $.each(annotations, function() { |
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168 | if ($.inArray(this, uniques) === -1) { |
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169 | return uniques.push(this); |
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170 | } else { |
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171 | return filtered.push(this); |
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172 | } |
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173 | }); |
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174 | } |
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175 | highlights = this.highlights; |
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176 | for (index = 0, _len = filtered.length; index < _len; index++) { |
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177 | annotation = filtered[index]; |
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178 | highlights = highlights.not(annotation.highlights); |
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179 | } |
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180 | highlights.addClass(this.classes.hl.hide); |
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181 | this.filtered = this.highlights.not(this.classes.hl.hide); |
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182 | return this; |
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183 | }; |
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184 | |
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185 | Filter.prototype.resetHighlights = function() { |
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186 | this.highlights.removeClass(this.classes.hl.hide); |
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187 | this.filtered = this.highlights; |
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188 | return this; |
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189 | }; |
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190 | |
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191 | Filter.prototype._onFilterFocus = function(event) { |
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192 | var input; |
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193 | input = $(event.target); |
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194 | input.parent().addClass(this.classes.active); |
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195 | return input.next('button').show(); |
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196 | }; |
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197 | |
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198 | Filter.prototype._onFilterBlur = function(event) { |
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199 | var input; |
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200 | if (!event.target.value) { |
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201 | input = $(event.target); |
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202 | input.parent().removeClass(this.classes.active); |
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203 | return input.next('button').hide(); |
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204 | } |
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205 | }; |
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206 | |
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207 | Filter.prototype._onFilterKeyup = function(event) { |
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208 | var filter; |
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209 | filter = $(event.target).parent().data('filter'); |
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210 | if (filter) return this.updateFilter(filter); |
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211 | }; |
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212 | |
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213 | Filter.prototype._findNextHighlight = function(previous) { |
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214 | var active, annotation, current, index, next, offset, operator, resetOffset; |
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215 | if (!this.highlights.length) return this; |
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216 | offset = previous ? 0 : -1; |
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217 | resetOffset = previous ? -1 : 0; |
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218 | operator = previous ? 'lt' : 'gt'; |
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219 | active = this.highlights.not('.' + this.classes.hl.hide); |
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220 | current = active.filter('.' + this.classes.hl.active); |
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221 | if (!current.length) current = active.eq(offset); |
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222 | annotation = current.data('annotation'); |
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223 | index = active.index(current[0]); |
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224 | next = active.filter(":" + operator + "(" + index + ")").not(annotation.highlights).eq(resetOffset); |
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225 | if (!next.length) next = active.eq(resetOffset); |
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226 | return this._scrollToHighlight(next.data('annotation').highlights); |
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227 | }; |
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228 | |
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229 | Filter.prototype._onNextClick = function(event) { |
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230 | return this._findNextHighlight(); |
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231 | }; |
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232 | |
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233 | Filter.prototype._onPreviousClick = function(event) { |
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234 | return this._findNextHighlight(true); |
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235 | }; |
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236 | |
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237 | Filter.prototype._scrollToHighlight = function(highlight) { |
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238 | highlight = $(highlight); |
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239 | this.highlights.removeClass(this.classes.hl.active); |
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240 | highlight.addClass(this.classes.hl.active); |
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241 | return $('html, body').animate({ |
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242 | scrollTop: highlight.offset().top - (this.element.height() + 20) |
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243 | }, 150); |
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244 | }; |
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245 | |
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246 | Filter.prototype._onClearClick = function(event) { |
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247 | return $(event.target).prev('input').val('').keyup().blur(); |
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248 | }; |
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249 | |
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250 | return Filter; |
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251 | |
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252 | })(Annotator.Plugin); |
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