forum/skins/default/media/js/ZeroClipboard.js

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