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@@ -1,202 +1,201 b'' | |||
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1 | 1 | /* |
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2 | 2 | @licstart The following is the entire license notice for the |
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3 | 3 | JavaScript code in this page. |
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4 | 4 | |
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5 | 5 | |
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6 | 6 | Copyright (C) 2013 neko259 |
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7 | 7 | |
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8 | 8 | The JavaScript code in this page is free software: you can |
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9 | 9 | redistribute it and/or modify it under the terms of the GNU |
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10 | 10 | General Public License (GNU GPL) as published by the Free Software |
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11 | 11 | Foundation, either version 3 of the License, or (at your option) |
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12 | 12 | any later version. The code is distributed WITHOUT ANY WARRANTY; |
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13 | 13 | without even the implied warranty of MERCHANTABILITY or FITNESS |
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14 | 14 | FOR A PARTICULAR PURPOSE. See the GNU GPL for more details. |
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15 | 15 | |
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16 | 16 | As additional permission under GNU GPL version 3 section 7, you |
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17 | 17 | may distribute non-source (e.g., minimized or compacted) forms of |
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18 | 18 | that code without the copy of the GNU GPL normally required by |
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19 | 19 | section 4, provided you include this license notice and a URL |
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20 | 20 | through which recipients can access the Corresponding Source. |
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21 | 21 | |
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22 | 22 | @licend The above is the entire license notice |
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23 | 23 | for the JavaScript code in this page. |
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24 | 24 | */ |
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25 | 25 | |
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26 | 26 | var IMAGE_POPUP_MARGIN = 10; |
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27 | 27 | |
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28 | 28 | |
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29 | 29 | var IMAGE_VIEWERS = [ |
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30 | 30 | ['simple', new SimpleImageViewer()], |
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31 | 31 | ['popup', new PopupImageViewer()] |
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32 | 32 | ]; |
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33 | 33 | |
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34 | 34 | var FULL_IMG_CLASS = 'post-image-full'; |
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35 | 35 | |
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36 | 36 | var ATTR_SCALE = 'scale'; |
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37 | 37 | |
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38 | 38 | |
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39 | 39 | // Init image viewer |
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40 | 40 | var viewerName = $('body').attr('data-image-viewer'); |
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41 | 41 | var viewer = ImageViewer(); |
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42 | 42 | for (var i = 0; i < IMAGE_VIEWERS.length; i++) { |
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43 | 43 | var item = IMAGE_VIEWERS[i]; |
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44 | 44 | if (item[0] === viewerName) { |
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45 | 45 | viewer = item[1]; |
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46 | 46 | break; |
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47 | 47 | } |
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48 | 48 | } |
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49 | 49 | |
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50 | 50 | |
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51 | 51 | function getFullImageWidth(previewImage) { |
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52 | 52 | var full_img_w = previewImage.attr('data-width'); |
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53 | 53 | if (full_img_w == null) { |
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54 | 54 | full_img_w = previewImage[0].naturalWidth; |
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55 | 55 | } |
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56 | 56 | |
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57 | 57 | return full_img_w; |
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58 | 58 | } |
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59 | 59 | |
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60 | 60 | function getFullImageHeight(previewImage) { |
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61 | 61 | var full_img_h = previewImage.attr('data-height'); |
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62 | 62 | if (full_img_h == null) { |
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63 | 63 | full_img_h = previewImage[0].naturalHeight; |
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64 | 64 | } |
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65 | 65 | |
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66 | 66 | return full_img_h; |
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67 | 67 | } |
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68 | 68 | |
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69 | 69 | |
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70 | 70 | function ImageViewer() {} |
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71 | 71 | ImageViewer.prototype.view = function (post) {}; |
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72 | 72 | |
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73 | 73 | function SimpleImageViewer() {} |
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74 | 74 | SimpleImageViewer.prototype.view = function (post) { |
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75 | 75 | var images = post.find('img'); |
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76 | 76 | images.toggle(); |
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77 | 77 | |
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78 | 78 | // When we first enlarge an image, a full image needs to be created |
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79 | 79 | if (images.length == 1) { |
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80 | 80 | var thumb = images.first(); |
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81 | 81 | |
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82 | 82 | var width = getFullImageWidth(thumb); |
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83 | 83 | var height = getFullImageHeight(thumb); |
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84 | 84 | |
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85 | 85 | if (width == null || height == null) { |
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86 | 86 | width = '100%'; |
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87 | 87 | height = '100%'; |
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88 | 88 | } |
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89 | 89 | |
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90 | 90 | var parent = images.first().parent(); |
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91 | 91 | var link = parent.attr('href'); |
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92 | 92 | |
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93 | 93 | var fullImg = $('<img />') |
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94 | 94 | .addClass(FULL_IMG_CLASS) |
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95 | 95 | .attr('src', link) |
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96 | 96 | .attr('width', width) |
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97 | 97 | .attr('height', height); |
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98 | 98 | |
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99 | 99 | parent.append(fullImg); |
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100 | 100 | } |
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101 | 101 | }; |
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102 | 102 | |
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103 | 103 | function PopupImageViewer() {} |
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104 | 104 | PopupImageViewer.prototype.view = function (post) { |
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105 | 105 | var el = post; |
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106 | 106 | var thumb_id = 'full' + el.find('img').attr('alt'); |
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107 | 107 | |
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108 | 108 | var existingPopups = $('#' + thumb_id); |
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109 | 109 | if (!existingPopups.length) { |
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110 | 110 | var imgElement = el.find('img'); |
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111 | 111 | |
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112 | 112 | var full_img_w = getFullImageWidth(imgElement); |
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113 | 113 | var full_img_h = getFullImageHeight(imgElement); |
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114 | 114 | |
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115 | 115 | var win = $(window); |
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116 | 116 | |
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117 | 117 | var win_w = win.width(); |
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118 | 118 | var win_h = win.height(); |
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119 | 119 | |
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120 | 120 | // New image size |
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121 | 121 | var w_scale = 1; |
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122 | 122 | var h_scale = 1; |
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123 | 123 | |
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124 | 124 | var freeWidth = win_w - 2 * IMAGE_POPUP_MARGIN; |
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125 | 125 | var freeHeight = win_h - 2 * IMAGE_POPUP_MARGIN; |
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126 | 126 | |
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127 | 127 | if (full_img_w > freeWidth) { |
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128 | 128 | w_scale = full_img_w / freeWidth; |
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129 | 129 | } |
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130 | 130 | if (full_img_h > freeHeight) { |
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131 | 131 | h_scale = full_img_h / freeHeight; |
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132 | 132 | } |
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133 | 133 | |
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134 | 134 | var scale = Math.max(w_scale, h_scale) |
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135 | 135 | var img_w = full_img_w / scale; |
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136 | 136 | var img_h = full_img_h / scale; |
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137 | 137 | |
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138 | 138 | var postNode = $(el); |
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139 | 139 | |
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140 | 140 | var img_pv = new Image(); |
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141 | 141 | var newImage = $(img_pv); |
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142 | 142 | newImage.addClass('img-full') |
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143 | 143 | .attr('id', thumb_id) |
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144 | 144 | .attr('src', postNode.attr('href')) |
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145 | 145 | .attr(ATTR_SCALE, scale) |
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146 | 146 | .css({ |
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147 | 147 | 'width': img_w, |
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148 | 148 | 'height': img_h, |
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149 | 149 | 'left': (win_w - img_w) / 2, |
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150 | 150 | 'top': ((win_h - img_h) / 2) |
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151 | 151 | }) |
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152 | .appendTo(postNode) | |
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153 | //scaling preview | |
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154 | .mousewheel(function(event, delta) { | |
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155 |
var c |
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156 | var cy = event.originalEvent.clientY; | |
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152 | //scaling preview | |
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153 | .mousewheel(function(event, delta) { | |
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154 | var cx = event.originalEvent.clientX; | |
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155 | var cy = event.originalEvent.clientY; | |
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157 | 156 | |
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158 | var scale = newImage.attr(ATTR_SCALE) / (delta > 0 ? 1.25 : 0.8); | |
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157 | var scale = newImage.attr(ATTR_SCALE) / (delta > 0 ? 1.25 : 0.8); | |
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159 | 158 | |
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160 | var oldWidth = newImage.width(); | |
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161 | var oldHeight = newImage.height(); | |
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159 | var oldWidth = newImage.width(); | |
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160 | var oldHeight = newImage.height(); | |
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162 | 161 | |
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163 | var newIW = full_img_w / scale; | |
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164 | var newIH = full_img_h / scale; | |
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162 | var newIW = full_img_w / scale; | |
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163 | var newIH = full_img_h / scale; | |
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165 | 164 | |
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166 | newImage.width(newIW); | |
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167 | newImage.height(newIH); | |
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168 | newImage.attr(ATTR_SCALE, scale); | |
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165 | newImage.width(newIW); | |
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166 | newImage.height(newIH); | |
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167 | newImage.attr(ATTR_SCALE, scale); | |
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169 | 168 | |
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170 | // Set position | |
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171 | var oldPosition = newImage.position(); | |
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172 | newImage.css({ | |
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173 | left: parseInt(cx - (newIW/oldWidth) * (cx - parseInt(oldPosition.left, 10)), 10), | |
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174 | top: parseInt(cy - (newIH/oldHeight) * (cy - parseInt(oldPosition.top, 10)), 10) | |
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175 | }); | |
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169 | // Set position | |
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170 | var oldPosition = newImage.position(); | |
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171 | newImage.css({ | |
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172 | left: parseInt(cx - (newIW/oldWidth) * (cx - parseInt(oldPosition.left, 10)), 10), | |
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173 | top: parseInt(cy - (newIH/oldHeight) * (cy - parseInt(oldPosition.top, 10)), 10) | |
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174 | }); | |
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176 | 175 | |
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177 | return false; | |
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178 | } | |
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179 | ) | |
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176 | return false; | |
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177 | }) | |
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180 | 178 | .draggable({ |
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181 | 179 | addClasses: false, |
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182 | 180 | stack: '.img-full' |
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183 |
}) |
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181 | }) | |
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182 | .appendTo($('body')); | |
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184 | 183 | } else { |
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185 | 184 | existingPopups.remove(); |
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186 | 185 | } |
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187 | 186 | }; |
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188 | 187 | |
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189 | 188 | function addImgPreview() { |
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190 | 189 | //keybind |
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191 | 190 | $(document).on('keyup.removepic', function(e) { |
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192 | 191 | if(e.which === 27) { |
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193 | 192 | $('.img-full').remove(); |
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194 | 193 | } |
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195 | 194 | }); |
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196 | 195 | |
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197 | 196 | $('body').on('click', '.thumb', function() { |
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198 | 197 | viewer.view($(this)); |
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199 | 198 | |
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200 | 199 | return false; |
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201 | 200 | }); |
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202 | 201 | } |
@@ -1,122 +1,132 b'' | |||
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1 | var LOADING_MSG = "<div class=\"post\">" + gettext('Loading...') + "</div>"; | |
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2 | ||
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1 | 3 | function $X(path, root) { |
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2 | 4 | return document.evaluate(path, root || document, null, 6, null); |
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3 | 5 | } |
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4 | 6 | function $x(path, root) { |
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5 | 7 | return document.evaluate(path, root || document, null, 8, null).singleNodeValue; |
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6 | 8 | } |
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7 | 9 | |
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8 | 10 | function $del(el) { |
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9 | 11 | if(el) el.parentNode.removeChild(el); |
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10 | 12 | } |
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11 | 13 | |
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12 | 14 | function $each(list, fn) { |
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13 | 15 | if(!list) return; |
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14 | 16 | var i = list.snapshotLength; |
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15 | 17 | if(i > 0) while(i--) fn(list.snapshotItem(i), i); |
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16 | 18 | } |
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17 | 19 | |
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18 | 20 | function mkPreview(cln, html) { |
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19 | 21 | cln.innerHTML = html; |
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20 | 22 | |
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21 | 23 | addScriptsToPost($(cln)); |
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22 | 24 | } |
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23 | 25 | |
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24 | 26 | function isElementInViewport (el) { |
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25 | 27 | //special bonus for those using jQuery |
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26 | 28 | if (typeof jQuery === "function" && el instanceof jQuery) { |
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27 | 29 | el = el[0]; |
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28 | 30 | } |
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29 | 31 | |
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30 | 32 | var rect = el.getBoundingClientRect(); |
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31 | 33 | |
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32 | 34 | return ( |
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33 | 35 | rect.top >= 0 && |
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34 | 36 | rect.left >= 0 && |
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35 | 37 | rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && /*or $(window).height() */ |
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36 | 38 | rect.right <= (window.innerWidth || document.documentElement.clientWidth) /*or $(window).width() */ |
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37 | 39 | ); |
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38 | 40 | } |
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39 | 41 | |
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40 | 42 | function addRefLinkPreview(node) { |
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41 | 43 | $each($X('.//a[starts-with(text(),">>")]', node || document), function(link) { |
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42 | 44 | link.addEventListener('mouseover', showPostPreview, false); |
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43 | 45 | link.addEventListener('mouseout', delPostPreview, false); |
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44 | 46 | }); |
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45 | 47 | } |
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46 | 48 | |
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47 | 49 | function showPostPreview(e) { |
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48 | 50 | var doc = document; |
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49 | 51 | |
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50 | 52 | var reflink = $(this); |
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51 | 53 | var pNum = reflink.text().match(/\d+/); |
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52 | 54 | |
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53 | 55 | if (pNum == null || pNum.length == 0) { |
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54 | 56 | return; |
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55 | 57 | } |
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56 | 58 | |
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57 | 59 | var post = $('#' + pNum); |
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58 | 60 | if (post.length > 0 && isElementInViewport(post)) { |
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61 | // If post is on the same page and visible, just highlight it | |
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59 | 62 | post.addClass('highlight'); |
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60 | 63 | } else { |
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61 | 64 | var x = reflink.offset().left; |
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62 | 65 | var y = reflink.offset().top; |
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63 | 66 | |
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64 | 67 | var cln = doc.createElement('div'); |
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65 | 68 | cln.id = 'pstprev_' + pNum; |
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66 | 69 | cln.className = 'post_preview'; |
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67 | 70 | |
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68 | // var newX = x < doc.body.clientWidth/2 ? 'left:' + x : 'right:' + parseInt(doc.body.clientWidth - x - reflink.width()); | |
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69 | // var newY = y < doc.body.clientHeight/2 ? 'top:' + y : 'bottom:' + parseInt(doc.body.clientHeight - y - reflink.height()); | |
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70 | 71 | cln.style.cssText = 'left:' + x + 'px; top:' + y + 'px'; |
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71 | 72 | |
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72 | 73 | cln.addEventListener('mouseout', delPostPreview, false); |
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73 | 74 | |
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74 | cln.innerHTML = "<div class=\"post\">" + gettext('Loading...') + "</div>"; | |
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75 | cln.innerHTML = LOADING_MSG; | |
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75 | 76 | |
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76 | if(post.length > 0) { | |
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77 | var postdata = post.clone().wrap("<div/>").parent().html(); | |
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77 | if (post.length > 0) { | |
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78 | // If post is on the same page but not visible, generate preview from it | |
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79 | var postClone = post.clone(); | |
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80 | postClone.removeAttr('style'); | |
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81 | var postdata = postClone.wrap("<div/>").parent().html(); | |
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78 | 82 | |
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79 | 83 | mkPreview(cln, postdata); |
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80 | 84 | } else { |
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85 | // If post is from other page, load it | |
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81 | 86 | $.ajax({ |
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82 | 87 | url: '/api/post/' + pNum + '/?truncated' |
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83 | 88 | }) |
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84 |
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85 |
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86 | ||
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87 | //make preview | |
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88 | mkPreview(cln, postdata); | |
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89 | .success(function(data) { | |
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90 | var postdata = $(data).wrap("<div/>").parent().html(); | |
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89 | 91 | |
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90 |
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91 | .error(function() { | |
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92 | cln.innerHTML = "<div class=\"post\">" | |
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93 | + gettext('Post not found') + "</div>"; | |
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94 | }); | |
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92 | //make preview | |
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93 | mkPreview(cln, postdata); | |
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94 | }) | |
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95 | .error(function() { | |
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96 | cln.innerHTML = "<div class=\"post\">" | |
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97 | + gettext('Post not found') + "</div>"; | |
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98 | }); | |
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95 | 99 | } |
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96 | 100 | |
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97 | 101 | $del(doc.getElementById(cln.id)); |
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98 | 102 | |
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99 | 103 | //add preview |
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100 | 104 | $(cln).fadeIn(200); |
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101 | 105 | $('body').append(cln); |
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102 | 106 | } |
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103 | 107 | } |
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104 | 108 | |
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105 | 109 | function delPostPreview(e) { |
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106 | 110 | var el = $x('ancestor-or-self::*[starts-with(@id,"pstprev")]', e.relatedTarget); |
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107 | 111 | if(!el) { |
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108 | 112 | $each($X('.//div[starts-with(@id,"pstprev")]'), function(clone) { |
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109 | 113 | $del(clone) |
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110 | 114 | }); |
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111 | 115 | } else { |
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112 |
while(el.nextSibling) |
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116 | while (el.nextSibling) { | |
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117 | if (el.nextSibling.className.startsWith('pstprev')) { | |
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118 | $del(el.nextSibling); | |
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119 | } else { | |
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120 | break; | |
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121 | } | |
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122 | } | |
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113 | 123 | } |
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114 | 124 | |
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115 | 125 | $('.highlight').removeClass('highlight'); |
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116 | 126 | } |
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117 | 127 | |
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118 | 128 | function addPreview() { |
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119 | 129 | $('.post').find('a').each(function() { |
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120 | 130 | showPostPreview($(this)); |
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121 | 131 | }); |
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122 | 132 | } |
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