1 | // Simple Set Clipboard System |
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2 | // Author: Joseph Huckaby |
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3 | |
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4 | var ZeroClipboard = { |
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5 | |
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6 | version: "1.0.7", |
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7 | clients: {}, // registered upload clients on page, indexed by id |
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8 | moviePath: 'ZeroClipboard.swf', // URL to movie |
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9 | nextId: 1, // ID of next movie |
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10 | |
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11 | $: function(thingy) { |
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12 | // simple DOM lookup utility function |
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13 | if (typeof(thingy) == 'string') thingy = document.getElementById(thingy); |
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14 | if (!thingy.addClass) { |
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15 | // extend element with a few useful methods |
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16 | thingy.hide = function() { this.style.display = 'none'; }; |
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17 | thingy.show = function() { this.style.display = ''; }; |
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18 | thingy.addClass = function(name) { this.removeClass(name); this.className += ' ' + name; }; |
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19 | thingy.removeClass = function(name) { |
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20 | var classes = this.className.split(/\s+/); |
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21 | var idx = -1; |
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22 | for (var k = 0; k < classes.length; k++) { |
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23 | if (classes[k] == name) { idx = k; k = classes.length; } |
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24 | } |
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25 | if (idx > -1) { |
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26 | classes.splice( idx, 1 ); |
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27 | this.className = classes.join(' '); |
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28 | } |
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29 | return this; |
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30 | }; |
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31 | thingy.hasClass = function(name) { |
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32 | return !!this.className.match( new RegExp("\\s*" + name + "\\s*") ); |
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33 | }; |
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34 | } |
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35 | return thingy; |
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36 | }, |
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37 | |
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38 | setMoviePath: function(path) { |
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39 | // set path to ZeroClipboard.swf |
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40 | this.moviePath = path; |
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41 | }, |
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42 | |
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43 | dispatch: function(id, eventName, args) { |
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44 | // receive event from flash movie, send to client |
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45 | var client = this.clients[id]; |
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46 | if (client) { |
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47 | client.receiveEvent(eventName, args); |
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48 | } |
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49 | }, |
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50 | |
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51 | register: function(id, client) { |
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52 | // register new client to receive events |
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53 | this.clients[id] = client; |
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54 | }, |
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55 | |
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56 | getDOMObjectPosition: function(obj, stopObj) { |
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57 | // get absolute coordinates for dom element |
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58 | var info = { |
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59 | left: 0, |
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60 | top: 0, |
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61 | width: obj.width ? obj.width : obj.offsetWidth, |
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62 | height: obj.height ? obj.height : obj.offsetHeight |
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63 | }; |
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64 | |
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65 | while (obj && (obj != stopObj)) { |
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66 | info.left += obj.offsetLeft; |
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67 | info.top += obj.offsetTop; |
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68 | obj = obj.offsetParent; |
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69 | } |
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70 | |
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71 | return info; |
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72 | }, |
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73 | |
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74 | Client: function(elem) { |
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75 | // constructor for new simple upload client |
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76 | this.handlers = {}; |
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77 | |
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78 | // unique ID |
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79 | this.id = ZeroClipboard.nextId++; |
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80 | this.movieId = 'ZeroClipboardMovie_' + this.id; |
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81 | |
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82 | // register client with singleton to receive flash events |
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83 | ZeroClipboard.register(this.id, this); |
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84 | |
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85 | // create movie |
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86 | if (elem) this.glue(elem); |
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87 | } |
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88 | }; |
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89 | |
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90 | ZeroClipboard.Client.prototype = { |
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91 | |
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92 | id: 0, // unique ID for us |
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93 | ready: false, // whether movie is ready to receive events or not |
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94 | movie: null, // reference to movie object |
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95 | clipText: '', // text to copy to clipboard |
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96 | handCursorEnabled: true, // whether to show hand cursor, or default pointer cursor |
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97 | cssEffects: true, // enable CSS mouse effects on dom container |
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98 | handlers: null, // user event handlers |
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99 | |
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100 | glue: function(elem, appendElem, stylesToAdd) { |
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101 | // glue to DOM element |
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102 | // elem can be ID or actual DOM element object |
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103 | this.domElement = ZeroClipboard.$(elem); |
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104 | |
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105 | // float just above object, or zIndex 99 if dom element isn't set |
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106 | var zIndex = 99; |
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107 | if (this.domElement.style.zIndex) { |
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108 | zIndex = parseInt(this.domElement.style.zIndex, 10) + 1; |
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109 | } |
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110 | |
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111 | if (typeof(appendElem) == 'string') { |
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112 | appendElem = ZeroClipboard.$(appendElem); |
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113 | } |
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114 | else if (typeof(appendElem) == 'undefined') { |
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115 | appendElem = document.getElementsByTagName('body')[0]; |
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116 | } |
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117 | |
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118 | // find X/Y position of domElement |
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119 | var box = ZeroClipboard.getDOMObjectPosition(this.domElement, appendElem); |
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120 | |
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121 | // create floating DIV above element |
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122 | this.div = document.createElement('div'); |
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123 | var style = this.div.style; |
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124 | style.position = 'absolute'; |
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125 | style.left = '' + box.left + 'px'; |
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126 | style.top = '' + box.top + 'px'; |
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127 | style.width = '' + box.width + 'px'; |
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128 | style.height = '' + box.height + 'px'; |
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129 | style.zIndex = zIndex; |
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130 | |
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131 | style.left = '0px'; |
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132 | style.top = '0px'; |
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133 | |
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134 | if (typeof(stylesToAdd) == 'object') { |
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135 | for (addedStyle in stylesToAdd) { |
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136 | style[addedStyle] = stylesToAdd[addedStyle]; |
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137 | } |
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138 | } |
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139 | |
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140 | // style.backgroundColor = '#f00'; // debug |
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141 | |
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142 | appendElem.appendChild(this.div); |
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143 | |
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144 | this.div.innerHTML = this.getHTML( box.width, box.height ); |
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145 | }, |
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146 | |
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147 | getHTML: function(width, height) { |
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148 | // return HTML for movie |
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149 | var html = ''; |
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150 | var flashvars = 'id=' + this.id + |
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151 | '&width=' + width + |
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152 | '&height=' + height; |
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153 | |
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154 | if (navigator.userAgent.match(/MSIE/)) { |
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155 | // IE gets an OBJECT tag |
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156 | var protocol = location.href.match(/^https/i) ? 'https://' : 'http://'; |
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157 | html += '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="'+protocol+'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+width+'" height="'+height+'" id="'+this.movieId+'" align="middle"><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+ZeroClipboard.moviePath+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+flashvars+'"/><param name="wmode" value="transparent"/></object>'; |
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158 | } |
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159 | else { |
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160 | // all other browsers get an EMBED tag |
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161 | html += '<embed id="'+this.movieId+'" src="'+ZeroClipboard.moviePath+'" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+width+'" height="'+height+'" name="'+this.movieId+'" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+flashvars+'" wmode="transparent" />'; |
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162 | } |
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163 | return html; |
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164 | }, |
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165 | |
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166 | hide: function() { |
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167 | // temporarily hide floater offscreen |
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168 | if (this.div) { |
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169 | this.div.style.left = '-2000px'; |
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170 | } |
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171 | }, |
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172 | |
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173 | show: function() { |
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174 | // show ourselves after a call to hide() |
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175 | this.reposition(); |
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176 | }, |
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177 | |
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178 | destroy: function() { |
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179 | // destroy control and floater |
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180 | if (this.domElement && this.div) { |
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181 | this.hide(); |
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182 | this.div.innerHTML = ''; |
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183 | |
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184 | var body = document.getElementsByTagName('body')[0]; |
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185 | try { body.removeChild( this.div ); } catch(e) {;} |
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186 | |
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187 | this.domElement = null; |
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188 | this.div = null; |
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189 | } |
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190 | }, |
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191 | |
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192 | reposition: function(elem) { |
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193 | // reposition our floating div, optionally to new container |
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194 | // warning: container CANNOT change size, only position |
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195 | if (elem) { |
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196 | this.domElement = ZeroClipboard.$(elem); |
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197 | if (!this.domElement) this.hide(); |
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198 | } |
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199 | |
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200 | console.debug( this.domElement, this.div ); |
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201 | |
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202 | if (this.domElement && this.div) { |
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203 | var box = ZeroClipboard.getDOMObjectPosition(this.domElement); |
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204 | console.debug( box ); |
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205 | var style = this.div.style; |
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206 | style.left = '' + box.left + 'px'; |
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207 | style.top = '' + box.top + 'px'; |
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208 | } |
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209 | }, |
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210 | |
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211 | setText: function(newText) { |
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212 | // set text to be copied to clipboard |
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213 | this.clipText = newText; |
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214 | if (this.ready) this.movie.setText(newText); |
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215 | }, |
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216 | |
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217 | addEventListener: function(eventName, func) { |
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218 | // add user event listener for event |
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219 | // event types: load, queueStart, fileStart, fileComplete, queueComplete, progress, error, cancel |
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220 | eventName = eventName.toString().toLowerCase().replace(/^on/, ''); |
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221 | if (!this.handlers[eventName]) this.handlers[eventName] = []; |
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222 | this.handlers[eventName].push(func); |
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223 | }, |
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224 | |
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225 | setHandCursor: function(enabled) { |
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226 | // enable hand cursor (true), or default arrow cursor (false) |
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227 | this.handCursorEnabled = enabled; |
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228 | if (this.ready) this.movie.setHandCursor(enabled); |
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229 | }, |
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230 | |
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231 | setCSSEffects: function(enabled) { |
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232 | // enable or disable CSS effects on DOM container |
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233 | this.cssEffects = !!enabled; |
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234 | }, |
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235 | |
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236 | receiveEvent: function(eventName, args) { |
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237 | // receive event from flash |
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238 | eventName = eventName.toString().toLowerCase().replace(/^on/, ''); |
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239 | |
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240 | // special behavior for certain events |
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241 | switch (eventName) { |
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242 | case 'load': |
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243 | // movie claims it is ready, but in IE this isn't always the case... |
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244 | // bug fix: Cannot extend EMBED DOM elements in Firefox, must use traditional function |
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245 | this.movie = document.getElementById(this.movieId); |
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246 | if (!this.movie) { |
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247 | var self = this; |
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248 | setTimeout( function() { self.receiveEvent('load', null); }, 1 ); |
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249 | return; |
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250 | } |
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251 | |
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252 | // firefox on pc needs a "kick" in order to set these in certain cases |
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253 | if (!this.ready && navigator.userAgent.match(/Firefox/) && navigator.userAgent.match(/Windows/)) { |
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254 | var self = this; |
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255 | setTimeout( function() { self.receiveEvent('load', null); }, 100 ); |
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256 | this.ready = true; |
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257 | return; |
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258 | } |
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259 | |
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260 | this.ready = true; |
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261 | this.movie.setText( this.clipText ); |
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262 | this.movie.setHandCursor( this.handCursorEnabled ); |
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263 | break; |
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264 | |
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265 | case 'mouseover': |
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266 | if (this.domElement && this.cssEffects) { |
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267 | this.domElement.addClass('hover'); |
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268 | if (this.recoverActive) this.domElement.addClass('active'); |
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269 | } |
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270 | break; |
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271 | |
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272 | case 'mouseout': |
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273 | if (this.domElement && this.cssEffects) { |
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274 | this.recoverActive = false; |
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275 | if (this.domElement.hasClass('active')) { |
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276 | this.domElement.removeClass('active'); |
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277 | this.recoverActive = true; |
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278 | } |
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279 | this.domElement.removeClass('hover'); |
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280 | } |
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281 | break; |
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282 | |
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283 | case 'mousedown': |
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284 | if (this.domElement && this.cssEffects) { |
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285 | this.domElement.addClass('active'); |
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286 | } |
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287 | break; |
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288 | |
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289 | case 'mouseup': |
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290 | if (this.domElement && this.cssEffects) { |
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291 | this.domElement.removeClass('active'); |
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292 | this.recoverActive = false; |
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293 | } |
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294 | break; |
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295 | } // switch eventName |
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296 | |
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297 | if (this.handlers[eventName]) { |
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298 | for (var idx = 0, len = this.handlers[eventName].length; idx < len; idx++) { |
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299 | var func = this.handlers[eventName][idx]; |
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300 | |
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301 | if (typeof(func) == 'function') { |
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302 | // actual function reference |
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303 | func(this, args); |
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304 | } |
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305 | else if ((typeof(func) == 'object') && (func.length == 2)) { |
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306 | // PHP style object + method, i.e. [myObject, 'myMethod'] |
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307 | func[0][ func[1] ](this, args); |
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308 | } |
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309 | else if (typeof(func) == 'string') { |
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310 | // name of function |
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311 | window[func](this, args); |
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312 | } |
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313 | } // foreach event handler defined |
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314 | } // user defined handler for event |
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315 | } |
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316 | |
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317 | }; |
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