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1 // ColorBox v1.3.17.2 - a full featured, light-weight, customizable lightbox based on jQuery 1.3+ |
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2 // Copyright (c) 2011 Jack Moore - jack@colorpowered.com |
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3 // Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php |
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4 |
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5 (function ($, document, window) { |
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6 var |
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7 // ColorBox Default Settings. |
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8 // See http://colorpowered.com/colorbox for details. |
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9 defaults = { |
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10 transition: "elastic", |
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11 speed: 300, |
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12 width: false, |
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13 initialWidth: "600", |
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14 innerWidth: false, |
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15 maxWidth: false, |
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16 height: false, |
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17 initialHeight: "450", |
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18 innerHeight: false, |
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19 maxHeight: false, |
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20 scalePhotos: true, |
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21 scrolling: true, |
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22 inline: false, |
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23 html: false, |
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24 iframe: false, |
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25 fastIframe: true, |
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26 photo: false, |
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27 href: false, |
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28 title: false, |
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29 rel: false, |
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30 opacity: 0.9, |
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31 preloading: true, |
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32 current: "image {current} of {total}", |
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33 previous: "previous", |
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34 next: "next", |
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35 close: "close", |
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36 open: false, |
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37 returnFocus: true, |
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38 loop: true, |
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39 slideshow: false, |
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40 slideshowAuto: true, |
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41 slideshowSpeed: 2500, |
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42 slideshowStart: "start slideshow", |
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43 slideshowStop: "stop slideshow", |
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44 onOpen: false, |
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45 onLoad: false, |
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46 onComplete: false, |
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47 onCleanup: false, |
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48 onClosed: false, |
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49 overlayClose: true, |
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50 escKey: true, |
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51 arrowKey: true, |
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52 top: false, |
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53 bottom: false, |
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54 left: false, |
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55 right: false, |
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56 fixed: false, |
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57 data: false |
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58 }, |
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59 |
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60 // Abstracting the HTML and event identifiers for easy rebranding |
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61 colorbox = 'colorbox', |
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62 prefix = 'cbox', |
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63 boxElement = prefix + 'Element', |
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64 |
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65 // Events |
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66 event_open = prefix + '_open', |
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67 event_load = prefix + '_load', |
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68 event_complete = prefix + '_complete', |
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69 event_cleanup = prefix + '_cleanup', |
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70 event_closed = prefix + '_closed', |
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71 event_purge = prefix + '_purge', |
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72 |
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73 // Special Handling for IE |
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74 isIE = $.browser.msie && !$.support.opacity, // Detects IE6,7,8. IE9 supports opacity. Feature detection alone gave a false positive on at least one phone browser and on some development versions of Chrome, hence the user-agent test. |
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75 isIE6 = isIE && $.browser.version < 7, |
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76 event_ie6 = prefix + '_IE6', |
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77 |
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78 // Cached jQuery Object Variables |
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79 $overlay, |
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80 $box, |
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81 $wrap, |
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82 $content, |
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83 $topBorder, |
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84 $leftBorder, |
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85 $rightBorder, |
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86 $bottomBorder, |
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87 $related, |
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88 $window, |
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89 $loaded, |
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90 $loadingBay, |
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91 $loadingOverlay, |
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92 $title, |
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93 $current, |
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94 $slideshow, |
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95 $next, |
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96 $prev, |
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97 $close, |
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98 $groupControls, |
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99 |
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100 // Variables for cached values or use across multiple functions |
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101 settings, |
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102 interfaceHeight, |
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103 interfaceWidth, |
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104 loadedHeight, |
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105 loadedWidth, |
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106 element, |
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107 index, |
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108 photo, |
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109 open, |
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110 active, |
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111 closing, |
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112 handler, |
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113 loadingTimer, |
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114 publicMethod; |
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115 |
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116 // **************** |
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117 // HELPER FUNCTIONS |
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118 // **************** |
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119 |
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120 // jQuery object generator to reduce code size |
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121 function $div(id, cssText, div) { |
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122 div = document.createElement('div'); |
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123 if (id) { |
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124 div.id = prefix + id; |
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125 } |
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126 div.style.cssText = cssText || ''; |
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127 return $(div); |
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128 } |
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129 |
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130 // Convert '%' and 'px' values to integers |
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131 function setSize(size, dimension) { |
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132 return Math.round((/%/.test(size) ? ((dimension === 'x' ? $window.width() : $window.height()) / 100) : 1) * parseInt(size, 10)); |
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133 } |
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134 |
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135 // Checks an href to see if it is a photo. |
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136 // There is a force photo option (photo: true) for hrefs that cannot be matched by this regex. |
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137 function isImage(url) { |
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138 return settings.photo || /\.(gif|png|jpg|jpeg|bmp)(?:\?([^#]*))?(?:#(\.*))?$/i.test(url); |
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139 } |
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140 |
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141 // Assigns function results to their respective settings. This allows functions to be used as values. |
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142 function makeSettings(i) { |
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143 settings = $.extend({}, $.data(element, colorbox)); |
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144 |
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145 for (i in settings) { |
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146 if ($.isFunction(settings[i]) && i.substring(0, 2) !== 'on') { // checks to make sure the function isn't one of the callbacks, they will be handled at the appropriate time. |
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147 settings[i] = settings[i].call(element); |
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148 } |
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149 } |
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150 |
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151 settings.rel = settings.rel || element.rel || 'nofollow'; |
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152 settings.href = settings.href || $(element).attr('href'); |
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153 settings.title = settings.title || element.title; |
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154 |
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155 if (typeof settings.href === "string") { |
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156 settings.href = $.trim(settings.href); |
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157 } |
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158 } |
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159 |
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160 function trigger(event, callback) { |
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161 if (callback) { |
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162 callback.call(element); |
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163 } |
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164 $.event.trigger(event); |
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165 } |
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166 |
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167 // Slideshow functionality |
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168 function slideshow() { |
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169 var |
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170 timeOut, |
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171 className = prefix + "Slideshow_", |
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172 click = "click." + prefix, |
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173 start, |
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174 stop, |
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175 clear; |
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176 |
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177 if (settings.slideshow && $related[1]) { |
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178 start = function () { |
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179 $slideshow |
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180 .text(settings.slideshowStop) |
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181 .unbind(click) |
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182 .bind(event_complete, function () { |
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183 if (index < $related.length - 1 || settings.loop) { |
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184 timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed); |
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185 } |
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186 }) |
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187 .bind(event_load, function () { |
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188 clearTimeout(timeOut); |
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189 }) |
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190 .one(click + ' ' + event_cleanup, stop); |
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191 $box.removeClass(className + "off").addClass(className + "on"); |
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192 timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed); |
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193 }; |
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194 |
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195 stop = function () { |
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196 clearTimeout(timeOut); |
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197 $slideshow |
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198 .text(settings.slideshowStart) |
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199 .unbind([event_complete, event_load, event_cleanup, click].join(' ')) |
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200 .one(click, start); |
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201 $box.removeClass(className + "on").addClass(className + "off"); |
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202 }; |
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203 |
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204 if (settings.slideshowAuto) { |
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205 start(); |
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206 } else { |
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207 stop(); |
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208 } |
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209 } else { |
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210 $box.removeClass(className + "off " + className + "on"); |
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211 } |
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212 } |
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213 |
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214 function launch(target) { |
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215 if (!closing) { |
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216 |
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217 element = target; |
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218 |
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219 makeSettings(); |
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220 |
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221 $related = $(element); |
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222 |
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223 index = 0; |
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224 |
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225 if (settings.rel !== 'nofollow') { |
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226 $related = $('.' + boxElement).filter(function () { |
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227 var relRelated = $.data(this, colorbox).rel || this.rel; |
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228 return (relRelated === settings.rel); |
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229 }); |
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230 index = $related.index(element); |
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231 |
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232 // Check direct calls to ColorBox. |
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233 if (index === -1) { |
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234 $related = $related.add(element); |
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235 index = $related.length - 1; |
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236 } |
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237 } |
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238 |
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239 if (!open) { |
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240 open = active = true; // Prevents the page-change action from queuing up if the visitor holds down the left or right keys. |
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241 |
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242 $box.show(); |
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243 |
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244 if (settings.returnFocus) { |
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245 try { |
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246 element.blur(); |
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247 $(element).one(event_closed, function () { |
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248 try { |
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249 this.focus(); |
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250 } catch (e) { |
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251 // do nothing |
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252 } |
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253 }); |
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254 } catch (e) { |
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255 // do nothing |
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256 } |
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257 } |
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258 |
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259 // +settings.opacity avoids a problem in IE when using non-zero-prefixed-string-values, like '.5' |
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260 $overlay.css({"opacity": +settings.opacity, "cursor": settings.overlayClose ? "pointer" : "auto"}).show(); |
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261 |
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262 // Opens inital empty ColorBox prior to content being loaded. |
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263 settings.w = setSize(settings.initialWidth, 'x'); |
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264 settings.h = setSize(settings.initialHeight, 'y'); |
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265 publicMethod.position(); |
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266 |
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267 if (isIE6) { |
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268 $window.bind('resize.' + event_ie6 + ' scroll.' + event_ie6, function () { |
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269 $overlay.css({width: $window.width(), height: $window.height(), top: $window.scrollTop(), left: $window.scrollLeft()}); |
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270 }).trigger('resize.' + event_ie6); |
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271 } |
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272 |
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273 trigger(event_open, settings.onOpen); |
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274 |
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275 $groupControls.add($title).hide(); |
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276 |
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277 $close.html(settings.close).show(); |
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278 } |
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279 |
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280 publicMethod.load(true); |
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281 } |
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282 } |
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283 |
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284 // **************** |
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285 // PUBLIC FUNCTIONS |
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286 // Usage format: $.fn.colorbox.close(); |
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287 // Usage from within an iframe: parent.$.fn.colorbox.close(); |
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288 // **************** |
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289 |
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290 publicMethod = $.fn[colorbox] = $[colorbox] = function (options, callback) { |
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291 var $this = this; |
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292 |
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293 options = options || {}; |
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294 |
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295 if (!$this[0]) { |
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296 if ($this.selector) { // if a selector was given and it didn't match any elements, go ahead and exit. |
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297 return $this; |
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298 } |
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299 // if no selector was given (ie. $.colorbox()), create a temporary element to work with |
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300 $this = $('<a/>'); |
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301 options.open = true; // assume an immediate open |
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302 } |
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303 |
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304 if (callback) { |
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305 options.onComplete = callback; |
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306 } |
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307 |
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308 $this.each(function () { |
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309 $.data(this, colorbox, $.extend({}, $.data(this, colorbox) || defaults, options)); |
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310 $(this).addClass(boxElement); |
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311 }); |
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312 |
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313 if (($.isFunction(options.open) && options.open.call($this)) || options.open) { |
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314 launch($this[0]); |
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315 } |
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316 |
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317 return $this; |
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318 }; |
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319 |
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320 // Initialize ColorBox: store common calculations, preload the interface graphics, append the html. |
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321 // This preps ColorBox for a speedy open when clicked, and minimizes the burdon on the browser by only |
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322 // having to run once, instead of each time colorbox is opened. |
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323 publicMethod.init = function () { |
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324 // Create & Append jQuery Objects |
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325 $window = $(window); |
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326 $box = $div().attr({id: colorbox, 'class': isIE ? prefix + (isIE6 ? 'IE6' : 'IE') : ''}); |
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327 $overlay = $div("Overlay", isIE6 ? 'position:absolute' : '').hide(); |
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328 |
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329 $wrap = $div("Wrapper"); |
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330 $content = $div("Content").append( |
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331 $loaded = $div("LoadedContent", 'width:0; height:0; overflow:hidden'), |
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332 $loadingOverlay = $div("LoadingOverlay").add($div("LoadingGraphic")), |
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333 $title = $div("Title"), |
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334 $current = $div("Current"), |
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335 $next = $div("Next"), |
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336 $prev = $div("Previous"), |
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337 $slideshow = $div("Slideshow").bind(event_open, slideshow), |
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338 $close = $div("Close") |
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339 ); |
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340 $wrap.append( // The 3x3 Grid that makes up ColorBox |
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341 $div().append( |
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342 $div("TopLeft"), |
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343 $topBorder = $div("TopCenter"), |
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344 $div("TopRight") |
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345 ), |
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346 $div(false, 'clear:left').append( |
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347 $leftBorder = $div("MiddleLeft"), |
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348 $content, |
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349 $rightBorder = $div("MiddleRight") |
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350 ), |
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351 $div(false, 'clear:left').append( |
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352 $div("BottomLeft"), |
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353 $bottomBorder = $div("BottomCenter"), |
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354 $div("BottomRight") |
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355 ) |
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356 ).children().children().css({'float': 'left'}); |
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357 |
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358 $loadingBay = $div(false, 'position:absolute; width:9999px; visibility:hidden; display:none'); |
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359 |
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360 $('body').prepend($overlay, $box.append($wrap, $loadingBay)); |
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361 |
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362 $content.children() |
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363 .hover(function () { |
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364 $(this).addClass('hover'); |
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365 }, function () { |
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366 $(this).removeClass('hover'); |
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367 }).addClass('hover'); |
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368 |
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369 // Cache values needed for size calculations |
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370 interfaceHeight = $topBorder.height() + $bottomBorder.height() + $content.outerHeight(true) - $content.height();//Subtraction needed for IE6 |
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371 interfaceWidth = $leftBorder.width() + $rightBorder.width() + $content.outerWidth(true) - $content.width(); |
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372 loadedHeight = $loaded.outerHeight(true); |
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373 loadedWidth = $loaded.outerWidth(true); |
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374 |
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375 // Setting padding to remove the need to do size conversions during the animation step. |
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376 $box.css({"padding-bottom": interfaceHeight, "padding-right": interfaceWidth}).hide(); |
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377 |
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378 // Setup button events. |
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379 // Anonymous functions here keep the public method from being cached, thereby allowing them to be redefined on the fly. |
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380 $next.click(function () { |
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381 publicMethod.next(); |
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382 }); |
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383 $prev.click(function () { |
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384 publicMethod.prev(); |
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385 }); |
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386 $close.click(function () { |
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387 publicMethod.close(); |
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388 }); |
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389 |
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390 $groupControls = $next.add($prev).add($current).add($slideshow); |
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391 |
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392 // Adding the 'hover' class allowed the browser to load the hover-state |
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393 // background graphics in case the images were not part of a sprite. The class can now can be removed. |
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394 $content.children().removeClass('hover'); |
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395 |
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396 $overlay.click(function () { |
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397 if (settings.overlayClose) { |
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398 publicMethod.close(); |
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399 } |
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400 }); |
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401 |
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402 // Set Navigation Key Bindings |
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403 $(document).bind('keydown.' + prefix, function (e) { |
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404 var key = e.keyCode; |
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405 if (open && settings.escKey && key === 27) { |
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406 e.preventDefault(); |
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407 publicMethod.close(); |
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408 } |
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409 if (open && settings.arrowKey && $related[1]) { |
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410 if (key === 37) { |
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411 e.preventDefault(); |
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412 $prev.click(); |
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413 } else if (key === 39) { |
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414 e.preventDefault(); |
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415 $next.click(); |
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416 } |
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417 } |
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418 }); |
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419 }; |
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420 |
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421 publicMethod.remove = function () { |
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422 $box.add($overlay).remove(); |
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423 $('.' + boxElement).removeData(colorbox).removeClass(boxElement); |
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424 }; |
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425 |
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426 publicMethod.position = function (speed, loadedCallback) { |
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427 var top = 0, left = 0; |
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428 |
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429 $window.unbind('resize.' + prefix); |
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430 |
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431 // remove the modal so that it doesn't influence the document width/height |
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432 $box.hide(); |
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433 |
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434 if (settings.fixed && !isIE6) { |
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435 $box.css({position: 'fixed'}); |
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436 } else { |
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437 top = $window.scrollTop(); |
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438 left = $window.scrollLeft(); |
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439 $box.css({position: 'absolute'}); |
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440 } |
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441 |
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442 // keeps the top and left positions within the browser's viewport. |
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443 if (settings.right !== false) { |
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444 left += Math.max($window.width() - settings.w - loadedWidth - interfaceWidth - setSize(settings.right, 'x'), 0); |
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445 } else if (settings.left !== false) { |
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446 left += setSize(settings.left, 'x'); |
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447 } else { |
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448 left += Math.round(Math.max($window.width() - settings.w - loadedWidth - interfaceWidth, 0) / 2); |
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449 } |
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450 |
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451 if (settings.bottom !== false) { |
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452 top += Math.max(document.documentElement.clientHeight - settings.h - loadedHeight - interfaceHeight - setSize(settings.bottom, 'y'), 0); |
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453 } else if (settings.top !== false) { |
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454 top += setSize(settings.top, 'y'); |
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455 } else { |
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456 top += Math.round(Math.max(document.documentElement.clientHeight - settings.h - loadedHeight - interfaceHeight, 0) / 2); |
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457 } |
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458 |
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459 $box.show(); |
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460 |
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461 // setting the speed to 0 to reduce the delay between same-sized content. |
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462 speed = ($box.width() === settings.w + loadedWidth && $box.height() === settings.h + loadedHeight) ? 0 : speed || 0; |
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463 |
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464 // this gives the wrapper plenty of breathing room so it's floated contents can move around smoothly, |
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465 // but it has to be shrank down around the size of div#colorbox when it's done. If not, |
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466 // it can invoke an obscure IE bug when using iframes. |
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467 $wrap[0].style.width = $wrap[0].style.height = "9999px"; |
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468 |
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469 function modalDimensions(that) { |
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470 // loading overlay height has to be explicitly set for IE6. |
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471 $topBorder[0].style.width = $bottomBorder[0].style.width = $content[0].style.width = that.style.width; |
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472 $loadingOverlay[0].style.height = $loadingOverlay[1].style.height = $content[0].style.height = $leftBorder[0].style.height = $rightBorder[0].style.height = that.style.height; |
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473 } |
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474 |
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475 $box.dequeue().animate({width: settings.w + loadedWidth, height: settings.h + loadedHeight, top: top, left: left}, { |
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476 duration: speed, |
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477 complete: function () { |
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478 modalDimensions(this); |
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479 |
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480 active = false; |
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481 |
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482 // shrink the wrapper down to exactly the size of colorbox to avoid a bug in IE's iframe implementation. |
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483 $wrap[0].style.width = (settings.w + loadedWidth + interfaceWidth) + "px"; |
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484 $wrap[0].style.height = (settings.h + loadedHeight + interfaceHeight) + "px"; |
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485 |
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486 if (loadedCallback) { |
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487 loadedCallback(); |
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488 } |
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489 |
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490 setTimeout(function(){ // small delay before binding onresize due to an IE8 bug. |
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491 $window.bind('resize.' + prefix, publicMethod.position); |
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492 }, 1); |
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493 }, |
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494 step: function () { |
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495 modalDimensions(this); |
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496 } |
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497 }); |
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498 }; |
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499 |
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500 publicMethod.resize = function (options) { |
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501 if (open) { |
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502 options = options || {}; |
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503 |
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504 if (options.width) { |
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505 settings.w = setSize(options.width, 'x') - loadedWidth - interfaceWidth; |
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506 } |
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507 if (options.innerWidth) { |
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508 settings.w = setSize(options.innerWidth, 'x'); |
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509 } |
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510 $loaded.css({width: settings.w}); |
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511 |
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512 if (options.height) { |
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513 settings.h = setSize(options.height, 'y') - loadedHeight - interfaceHeight; |
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514 } |
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515 if (options.innerHeight) { |
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516 settings.h = setSize(options.innerHeight, 'y'); |
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517 } |
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518 if (!options.innerHeight && !options.height) { |
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519 var $child = $loaded.wrapInner("<div style='overflow:auto'></div>").children(); // temporary wrapper to get an accurate estimate of just how high the total content should be. |
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520 settings.h = $child.height(); |
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521 $child.replaceWith($child.children()); // ditch the temporary wrapper div used in height calculation |
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522 } |
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523 $loaded.css({height: settings.h}); |
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524 |
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525 publicMethod.position(settings.transition === "none" ? 0 : settings.speed); |
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526 } |
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527 }; |
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528 |
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529 publicMethod.prep = function (object) { |
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530 if (!open) { |
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531 return; |
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532 } |
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533 |
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534 var callback, speed = settings.transition === "none" ? 0 : settings.speed; |
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535 |
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536 $loaded.remove(); |
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537 $loaded = $div('LoadedContent').append(object); |
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538 |
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539 function getWidth() { |
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540 settings.w = settings.w || $loaded.width(); |
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541 settings.w = settings.mw && settings.mw < settings.w ? settings.mw : settings.w; |
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542 return settings.w; |
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543 } |
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544 function getHeight() { |
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545 settings.h = settings.h || $loaded.height(); |
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546 settings.h = settings.mh && settings.mh < settings.h ? settings.mh : settings.h; |
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547 return settings.h; |
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548 } |
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549 |
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550 $loaded.hide() |
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551 .appendTo($loadingBay.show())// content has to be appended to the DOM for accurate size calculations. |
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552 .css({width: getWidth(), overflow: settings.scrolling ? 'auto' : 'hidden'}) |
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553 .css({height: getHeight()})// sets the height independently from the width in case the new width influences the value of height. |
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554 .prependTo($content); |
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555 |
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556 $loadingBay.hide(); |
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557 |
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558 // floating the IMG removes the bottom line-height and fixed a problem where IE miscalculates the width of the parent element as 100% of the document width. |
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559 //$(photo).css({'float': 'none', marginLeft: 'auto', marginRight: 'auto'}); |
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560 |
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561 $(photo).css({'float': 'none'}); |
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562 |
|
563 // Hides SELECT elements in IE6 because they would otherwise sit on top of the overlay. |
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564 if (isIE6) { |
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565 $('select').not($box.find('select')).filter(function () { |
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566 return this.style.visibility !== 'hidden'; |
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567 }).css({'visibility': 'hidden'}).one(event_cleanup, function () { |
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568 this.style.visibility = 'inherit'; |
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569 }); |
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570 } |
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571 |
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572 callback = function () { |
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573 var prev, prevSrc, next, nextSrc, total = $related.length, iframe, complete; |
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574 |
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575 if (!open) { |
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576 return; |
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577 } |
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578 |
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579 function removeFilter() { |
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580 if (isIE) { |
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581 $box[0].style.removeAttribute('filter'); |
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582 } |
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583 } |
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584 |
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585 complete = function () { |
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586 clearTimeout(loadingTimer); |
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587 $loadingOverlay.hide(); |
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588 trigger(event_complete, settings.onComplete); |
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589 }; |
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590 |
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591 if (isIE) { |
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592 //This fadeIn helps the bicubic resampling to kick-in. |
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593 if (photo) { |
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594 $loaded.fadeIn(100); |
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595 } |
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596 } |
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597 |
|
598 $title.html(settings.title).add($loaded).show(); |
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599 |
|
600 if (total > 1) { // handle grouping |
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601 if (typeof settings.current === "string") { |
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602 $current.html(settings.current.replace('{current}', index + 1).replace('{total}', total)).show(); |
|
603 } |
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604 |
|
605 $next[(settings.loop || index < total - 1) ? "show" : "hide"]().html(settings.next); |
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606 $prev[(settings.loop || index) ? "show" : "hide"]().html(settings.previous); |
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607 |
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608 prev = index ? $related[index - 1] : $related[total - 1]; |
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609 next = index < total - 1 ? $related[index + 1] : $related[0]; |
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610 |
|
611 if (settings.slideshow) { |
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612 $slideshow.show(); |
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613 } |
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614 |
|
615 // Preloads images within a rel group |
|
616 if (settings.preloading) { |
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617 nextSrc = $.data(next, colorbox).href || next.href; |
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618 prevSrc = $.data(prev, colorbox).href || prev.href; |
|
619 |
|
620 nextSrc = $.isFunction(nextSrc) ? nextSrc.call(next) : nextSrc; |
|
621 prevSrc = $.isFunction(prevSrc) ? prevSrc.call(prev) : prevSrc; |
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622 |
|
623 if (isImage(nextSrc)) { |
|
624 $('<img/>')[0].src = nextSrc; |
|
625 } |
|
626 |
|
627 if (isImage(prevSrc)) { |
|
628 $('<img/>')[0].src = prevSrc; |
|
629 } |
|
630 } |
|
631 } else { |
|
632 $groupControls.hide(); |
|
633 } |
|
634 |
|
635 if (settings.iframe) { |
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636 iframe = $('<iframe/>').addClass(prefix + 'Iframe')[0]; |
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637 |
|
638 if (settings.fastIframe) { |
|
639 complete(); |
|
640 } else { |
|
641 $(iframe).one('load', complete); |
|
642 } |
|
643 iframe.name = prefix + (+new Date()); |
|
644 iframe.src = settings.href; |
|
645 |
|
646 if (!settings.scrolling) { |
|
647 iframe.scrolling = "no"; |
|
648 } |
|
649 |
|
650 if (isIE) { |
|
651 iframe.frameBorder = 0; |
|
652 iframe.allowTransparency = "true"; |
|
653 } |
|
654 |
|
655 $(iframe).appendTo($loaded).one(event_purge, function () { |
|
656 iframe.src = "//about:blank"; |
|
657 }); |
|
658 } else { |
|
659 complete(); |
|
660 } |
|
661 |
|
662 if (settings.transition === 'fade') { |
|
663 $box.fadeTo(speed, 1, removeFilter); |
|
664 } else { |
|
665 removeFilter(); |
|
666 } |
|
667 }; |
|
668 |
|
669 if (settings.transition === 'fade') { |
|
670 $box.fadeTo(speed, 0, function () { |
|
671 publicMethod.position(0, callback); |
|
672 }); |
|
673 } else { |
|
674 publicMethod.position(speed, callback); |
|
675 } |
|
676 }; |
|
677 |
|
678 publicMethod.load = function (launched) { |
|
679 var href, setResize, prep = publicMethod.prep; |
|
680 |
|
681 active = true; |
|
682 |
|
683 photo = false; |
|
684 |
|
685 element = $related[index]; |
|
686 |
|
687 if (!launched) { |
|
688 makeSettings(); |
|
689 } |
|
690 |
|
691 trigger(event_purge); |
|
692 |
|
693 trigger(event_load, settings.onLoad); |
|
694 |
|
695 settings.h = settings.height ? |
|
696 setSize(settings.height, 'y') - loadedHeight - interfaceHeight : |
|
697 settings.innerHeight && setSize(settings.innerHeight, 'y'); |
|
698 |
|
699 settings.w = settings.width ? |
|
700 setSize(settings.width, 'x') - loadedWidth - interfaceWidth : |
|
701 settings.innerWidth && setSize(settings.innerWidth, 'x'); |
|
702 |
|
703 // Sets the minimum dimensions for use in image scaling |
|
704 settings.mw = settings.w; |
|
705 settings.mh = settings.h; |
|
706 |
|
707 // Re-evaluate the minimum width and height based on maxWidth and maxHeight values. |
|
708 // If the width or height exceed the maxWidth or maxHeight, use the maximum values instead. |
|
709 if (settings.maxWidth) { |
|
710 settings.mw = setSize(settings.maxWidth, 'x') - loadedWidth - interfaceWidth; |
|
711 settings.mw = settings.w && settings.w < settings.mw ? settings.w : settings.mw; |
|
712 } |
|
713 if (settings.maxHeight) { |
|
714 settings.mh = setSize(settings.maxHeight, 'y') - loadedHeight - interfaceHeight; |
|
715 settings.mh = settings.h && settings.h < settings.mh ? settings.h : settings.mh; |
|
716 } |
|
717 |
|
718 href = settings.href; |
|
719 |
|
720 loadingTimer = setTimeout(function () { |
|
721 $loadingOverlay.show(); |
|
722 }, 100); |
|
723 |
|
724 if (settings.inline) { |
|
725 // Inserts an empty placeholder where inline content is being pulled from. |
|
726 // An event is bound to put inline content back when ColorBox closes or loads new content. |
|
727 $div().hide().insertBefore($(href)[0]).one(event_purge, function () { |
|
728 $(this).replaceWith($loaded.children()); |
|
729 }); |
|
730 prep($(href)); |
|
731 } else if (settings.iframe) { |
|
732 // IFrame element won't be added to the DOM until it is ready to be displayed, |
|
733 // to avoid problems with DOM-ready JS that might be trying to run in that iframe. |
|
734 prep(" "); |
|
735 } else if (settings.html) { |
|
736 prep(settings.html); |
|
737 } else if (isImage(href)) { |
|
738 $(photo = new Image()) |
|
739 .addClass(prefix + 'Photo') |
|
740 .error(function () { |
|
741 settings.title = false; |
|
742 prep($div('Error').text('This image could not be loaded')); |
|
743 }) |
|
744 .load(function () { |
|
745 var percent; |
|
746 photo.onload = null; //stops animated gifs from firing the onload repeatedly. |
|
747 |
|
748 if (settings.scalePhotos) { |
|
749 setResize = function () { |
|
750 photo.height -= photo.height * percent; |
|
751 photo.width -= photo.width * percent; |
|
752 }; |
|
753 if (settings.mw && photo.width > settings.mw) { |
|
754 percent = (photo.width - settings.mw) / photo.width; |
|
755 setResize(); |
|
756 } |
|
757 if (settings.mh && photo.height > settings.mh) { |
|
758 percent = (photo.height - settings.mh) / photo.height; |
|
759 setResize(); |
|
760 } |
|
761 } |
|
762 |
|
763 if (settings.h) { |
|
764 photo.style.marginTop = Math.max(settings.h - photo.height, 0) / 2 + 'px'; |
|
765 } |
|
766 |
|
767 if ($related[1] && (index < $related.length - 1 || settings.loop)) { |
|
768 photo.style.cursor = 'pointer'; |
|
769 photo.onclick = function () { |
|
770 publicMethod.next(); |
|
771 }; |
|
772 } |
|
773 |
|
774 if (isIE) { |
|
775 photo.style.msInterpolationMode = 'bicubic'; |
|
776 } |
|
777 |
|
778 setTimeout(function () { // A pause because Chrome will sometimes report a 0 by 0 size otherwise. |
|
779 prep(photo); |
|
780 }, 1); |
|
781 }); |
|
782 |
|
783 setTimeout(function () { // A pause because Opera 10.6+ will sometimes not run the onload function otherwise. |
|
784 photo.src = href; |
|
785 }, 1); |
|
786 } else if (href) { |
|
787 $loadingBay.load(href, settings.data, function (data, status, xhr) { |
|
788 prep(status === 'error' ? $div('Error').text('Request unsuccessful: ' + xhr.statusText) : $(this).contents()); |
|
789 }); |
|
790 } |
|
791 }; |
|
792 |
|
793 // Navigates to the next page/image in a set. |
|
794 publicMethod.next = function () { |
|
795 if (!active && $related[1] && (index < $related.length - 1 || settings.loop)) { |
|
796 index = index < $related.length - 1 ? index + 1 : 0; |
|
797 publicMethod.load(); |
|
798 } |
|
799 }; |
|
800 |
|
801 publicMethod.prev = function () { |
|
802 if (!active && $related[1] && (index || settings.loop)) { |
|
803 index = index ? index - 1 : $related.length - 1; |
|
804 publicMethod.load(); |
|
805 } |
|
806 }; |
|
807 |
|
808 // Note: to use this within an iframe use the following format: parent.$.fn.colorbox.close(); |
|
809 publicMethod.close = function () { |
|
810 if (open && !closing) { |
|
811 |
|
812 closing = true; |
|
813 |
|
814 open = false; |
|
815 |
|
816 trigger(event_cleanup, settings.onCleanup); |
|
817 |
|
818 $window.unbind('.' + prefix + ' .' + event_ie6); |
|
819 |
|
820 $overlay.fadeTo(200, 0); |
|
821 |
|
822 $box.stop().fadeTo(300, 0, function () { |
|
823 |
|
824 $box.add($overlay).css({'opacity': 1, cursor: 'auto'}).hide(); |
|
825 |
|
826 trigger(event_purge); |
|
827 |
|
828 $loaded.remove(); |
|
829 |
|
830 setTimeout(function () { |
|
831 closing = false; |
|
832 trigger(event_closed, settings.onClosed); |
|
833 }, 1); |
|
834 }); |
|
835 } |
|
836 }; |
|
837 |
|
838 // A method for fetching the current element ColorBox is referencing. |
|
839 // returns a jQuery object. |
|
840 publicMethod.element = function () { |
|
841 return $(element); |
|
842 }; |
|
843 |
|
844 publicMethod.settings = defaults; |
|
845 |
|
846 // Bind the live event before DOM-ready for maximum performance in IE6 & 7. |
|
847 handler = function (e) { |
|
848 // checks to see if it was a non-left mouse-click and for clicks modified with ctrl, shift, or alt. |
|
849 if (!((e.button !== 0 && typeof e.button !== 'undefined') || e.ctrlKey || e.shiftKey || e.altKey)) { |
|
850 e.preventDefault(); |
|
851 launch(this); |
|
852 } |
|
853 }; |
|
854 |
|
855 if ($.fn.delegate) { |
|
856 $(document).delegate('.' + boxElement, 'click', handler); |
|
857 } else { |
|
858 $('.' + boxElement).live('click', handler); |
|
859 } |
|
860 |
|
861 // Initializes ColorBox when the DOM has loaded |
|
862 $(publicMethod.init); |
|
863 |
|
864 }(jQuery, document, this)); |