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   1 // Simple Set Clipboard System
   2 // Author: Joseph Huckaby
   3
   4 var ZeroClipboard = {
   5
   6         version: "1.0.4-TableTools2",
   7         clients: {}, // registered upload clients on page, indexed by id
   8         moviePath: '', // URL to movie
   9         nextId: 1, // ID of next movie
  10
  11         $: function(thingy) {
  12                 // simple DOM lookup utility function
  13                 if (typeof(thingy) == 'string') thingy = document.getElementById(thingy);
  14                 if (!thingy.addClass) {
  15                         // extend element with a few useful methods
  16                         thingy.hide = function() { this.style.display = 'none'; };
  17                         thingy.show = function() { this.style.display = ''; };
  18                         thingy.addClass = function(name) { this.removeClass(name); this.className += ' ' + name; };
  19                         thingy.removeClass = function(name) {
  20                                 this.className = this.className.replace( new RegExp("\\s*" + name + "\\s*"), " ").replace(/^\s+/, '').replace(/\s+$/, '');
  21                         };
  22                         thingy.hasClass = function(name) {
  23                                 return !!this.className.match( new RegExp("\\s*" + name + "\\s*") );
  24                         }
  25                 }
  26                 return thingy;
  27         },
  28
  29         setMoviePath: function(path) {
  30                 // set path to ZeroClipboard.swf
  31                 this.moviePath = path;
  32         },
  33
  34         dispatch: function(id, eventName, args) {
  35                 // receive event from flash movie, send to client
  36                 var client = this.clients[id];
  37                 if (client) {
  38                         client.receiveEvent(eventName, args);
  39                 }
  40         },
  41
  42         register: function(id, client) {
  43                 // register new client to receive events
  44                 this.clients[id] = client;
  45         },
  46
  47         getDOMObjectPosition: function(obj) {
  48                 // get absolute coordinates for dom element
  49                 var info = {
  50                         left: 0,
  51                         top: 0,
  52                         width: obj.width ? obj.width : obj.offsetWidth,
  53                         height: obj.height ? obj.height : obj.offsetHeight
  54                 };
  55
  56                 if ( obj.style.width != "" )
  57                         info.width = obj.style.width.replace("px","");
  58
  59                 if ( obj.style.height != "" )
  60                         info.height = obj.style.height.replace("px","");
  61
  62                 while (obj) {
  63                         info.left += obj.offsetLeft;
  64                         info.top += obj.offsetTop;
  65                         obj = obj.offsetParent;
  66                 }
  67
  68                 return info;
  69         },
  70
  71         Client: function(elem) {
  72                 // constructor for new simple upload client
  73                 this.handlers = {};
  74
  75                 // unique ID
  76                 this.id = ZeroClipboard.nextId++;
  77                 this.movieId = 'ZeroClipboardMovie_' + this.id;
  78
  79                 // register client with singleton to receive flash events
  80                 ZeroClipboard.register(this.id, this);
  81
  82                 // create movie
  83                 if (elem) this.glue(elem);
  84         }
  85 };
  86
  87 ZeroClipboard.Client.prototype = {
  88
  89         id: 0, // unique ID for us
  90         ready: false, // whether movie is ready to receive events or not
  91         movie: null, // reference to movie object
  92         clipText: '', // text to copy to clipboard
  93         fileName: '', // default file save name
  94         action: 'copy', // action to perform
  95         handCursorEnabled: true, // whether to show hand cursor, or default pointer cursor
  96         cssEffects: true, // enable CSS mouse effects on dom container
  97         handlers: null, // user event handlers
  98         sized: false,
  99
 100         glue: function(elem, title) {
 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) + 1;
 109                 }
 110
 111                 // find X/Y position of domElement
 112                 var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
 113
 114                 // create floating DIV above element
 115                 this.div = document.createElement('div');
 116                 var style = this.div.style;
 117                 style.position = 'absolute';
 118                 style.left = (this.domElement.offsetLeft)+'px';
 119                 //style.left = (this.domElement.offsetLeft+2)+'px';
 120                 style.top = this.domElement.offsetTop+'px';
 121                 style.width = (box.width) + 'px';
 122                 //style.width = (box.width-4) + 'px';
 123                 style.height = box.height + 'px';
 124                 style.zIndex = zIndex;
 125                 if ( typeof title != "undefined" && title != "" ) {
 126                         this.div.title = title;
 127                 }
 128                 if ( box.width != 0 && box.height != 0 ) {
 129                         this.sized = true;
 130                 }
 131
 132                 // style.backgroundColor = '#f00'; // debug
 133                 this.domElement.parentNode.appendChild(this.div);
 134
 135                 this.div.innerHTML = this.getHTML( box.width, box.height );
 136         },
 137
 138         positionElement: function() {
 139                 var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
 140                 var style = this.div.style;
 141
 142                 style.position = 'absolute';
 143                 style.left = (this.domElement.offsetLeft)+'px';
 144                 style.top = this.domElement.offsetTop+'px';
 145                 style.width = box.width + 'px';
 146                 style.height = box.height + 'px';
 147
 148                 if ( box.width != 0 && box.height != 0 ) {
 149                         this.sized = true;
 150                 } else {
 151                         return;
 152                 }
 153
 154                 var flash = this.div.childNodes[0];
 155                 flash.width = box.width;
 156                 flash.height = box.height;
 157         },
 158
 159         getHTML: function(width, height) {
 160                 // return HTML for movie
 161                 var html = '';
 162                 var flashvars = 'id=' + this.id +
 163                         '&width=' + width +
 164                         '&height=' + height;
 165
 166                 if (navigator.userAgent.match(/MSIE/)) {
 167                         // IE gets an OBJECT tag
 168                         var protocol = location.href.match(/^https/i) ? 'https://' : 'http://';
 169                         html += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="'+protocol+'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" 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>';
 170                 }
 171                 else {
 172                         // all other browsers get an EMBED tag
 173                         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" />';
 174                 }
 175                 return html;
 176         },
 177
 178         hide: function() {
 179                 // temporarily hide floater offscreen
 180                 if (this.div) {
 181                         this.div.style.left = '-2000px';
 182                 }
 183         },
 184
 185         show: function() {
 186                 // show ourselves after a call to hide()
 187                 this.reposition();
 188         },
 189
 190         destroy: function() {
 191                 // destroy control and floater
 192                 if (this.domElement && this.div) {
 193                         this.hide();
 194                         this.div.innerHTML = '';
 195
 196                         var body = document.getElementsByTagName('body')[0];
 197                         try { body.removeChild( this.div ); } catch(e) {;}
 198
 199                         this.domElement = null;
 200                         this.div = null;
 201                 }
 202         },
 203
 204         reposition: function(elem) {
 205                 // reposition our floating div, optionally to new container
 206                 // warning: container CANNOT change size, only position
 207                 if (elem) {
 208                         this.domElement = ZeroClipboard.$(elem);
 209                         if (!this.domElement) this.hide();
 210                 }
 211
 212                 if (this.domElement && this.div) {
 213                         var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
 214                         var style = this.div.style;
 215                         style.left = '' + box.left + 'px';
 216                         style.top = '' + box.top + 'px';
 217                 }
 218         },
 219
 220         clearText: function() {
 221                 // clear the text to be copy / saved
 222                 this.clipText = '';
 223                 if (this.ready) this.movie.clearText();
 224         },
 225
 226         appendText: function(newText) {
 227                 // append text to that which is to be copied / saved
 228                 this.clipText += newText;
 229                 if (this.ready) { this.movie.appendText(newText) ;}
 230         },
 231
 232         setText: function(newText) {
 233                 // set text to be copied to be copied / saved
 234                 this.clipText = newText;
 235                 if (this.ready) { this.movie.setText(newText) ;}
 236         },
 237
 238         setCharSet: function(charSet) {
 239                 // set the character set (UTF16LE or UTF8)
 240                 this.charSet = charSet;
 241                 if (this.ready) { this.movie.setCharSet(charSet) ;}
 242         },
 243
 244         setBomInc: function(bomInc) {
 245                 // set if the BOM should be included or not
 246                 this.incBom = bomInc;
 247                 if (this.ready) { this.movie.setBomInc(bomInc) ;}
 248         },
 249
 250         setFileName: function(newText) {
 251                 // set the file name
 252                 this.fileName = newText;
 253                 if (this.ready) this.movie.setFileName(newText);
 254         },
 255
 256         setAction: function(newText) {
 257                 // set action (save or copy)
 258                 this.action = newText;
 259                 if (this.ready) this.movie.setAction(newText);
 260         },
 261
 262         addEventListener: function(eventName, func) {
 263                 // add user event listener for event
 264                 // event types: load, queueStart, fileStart, fileComplete, queueComplete, progress, error, cancel
 265                 eventName = eventName.toString().toLowerCase().replace(/^on/, '');
 266                 if (!this.handlers[eventName]) this.handlers[eventName] = [];
 267                 this.handlers[eventName].push(func);
 268         },
 269
 270         setHandCursor: function(enabled) {
 271                 // enable hand cursor (true), or default arrow cursor (false)
 272                 this.handCursorEnabled = enabled;
 273                 if (this.ready) this.movie.setHandCursor(enabled);
 274         },
 275
 276         setCSSEffects: function(enabled) {
 277                 // enable or disable CSS effects on DOM container
 278                 this.cssEffects = !!enabled;
 279         },
 280
 281         receiveEvent: function(eventName, args) {
 282                 // receive event from flash
 283                 eventName = eventName.toString().toLowerCase().replace(/^on/, '');
 284
 285                 // special behavior for certain events
 286                 switch (eventName) {
 287                         case 'load':
 288                                 // movie claims it is ready, but in IE this isn't always the case...
 289                                 // bug fix: Cannot extend EMBED DOM elements in Firefox, must use traditional function
 290                                 this.movie = document.getElementById(this.movieId);
 291                                 if (!this.movie) {
 292                                         var self = this;
 293                                         setTimeout( function() { self.receiveEvent('load', null); }, 1 );
 294                                         return;
 295                                 }
 296
 297                                 // firefox on pc needs a "kick" in order to set these in certain cases
 298                                 if (!this.ready && navigator.userAgent.match(/Firefox/) && navigator.userAgent.match(/Windows/)) {
 299                                         var self = this;
 300                                         setTimeout( function() { self.receiveEvent('load', null); }, 100 );
 301                                         this.ready = true;
 302                                         return;
 303                                 }
 304
 305                                 this.ready = true;
 306                                 this.movie.clearText();
 307                                 this.movie.appendText( this.clipText );
 308                                 this.movie.setFileName( this.fileName );
 309                                 this.movie.setAction( this.action );
 310                                 this.movie.setCharSet( this.charSet );
 311                                 this.movie.setBomInc( this.incBom );
 312                                 this.movie.setHandCursor( this.handCursorEnabled );
 313                                 break;
 314
 315                         case 'mouseover':
 316                                 if (this.domElement && this.cssEffects) {
 317                                         //this.domElement.addClass('hover');
 318                                         if (this.recoverActive) this.domElement.addClass('active');
 319                                 }
 320                                 break;
 321
 322                         case 'mouseout':
 323                                 if (this.domElement && this.cssEffects) {
 324                                         this.recoverActive = false;
 325                                         if (this.domElement.hasClass('active')) {
 326                                                 this.domElement.removeClass('active');
 327                                                 this.recoverActive = true;
 328                                         }
 329                                         //this.domElement.removeClass('hover');
 330                                 }
 331                                 break;
 332
 333                         case 'mousedown':
 334                                 if (this.domElement && this.cssEffects) {
 335                                         this.domElement.addClass('active');
 336                                 }
 337                                 break;
 338
 339                         case 'mouseup':
 340                                 if (this.domElement && this.cssEffects) {
 341                                         this.domElement.removeClass('active');
 342                                         this.recoverActive = false;
 343                                 }
 344                                 break;
 345                 } // switch eventName
 346
 347                 if (this.handlers[eventName]) {
 348                         for (var idx = 0, len = this.handlers[eventName].length; idx < len; idx++) {
 349                                 var func = this.handlers[eventName][idx];
 350
 351                                 if (typeof(func) == 'function') {
 352                                         // actual function reference
 353                                         func(this, args);
 354                                 }
 355                                 else if ((typeof(func) == 'object') && (func.length == 2)) {
 356                                         // PHP style object + method, i.e. [myObject, 'myMethod']
 357                                         func[0][ func[1] ](this, args);
 358                                 }
 359                                 else if (typeof(func) == 'string') {
 360                                         // name of function
 361                                         window[func](this, args);
 362                                 }
 363                         } // foreach event handler defined
 364                 } // user defined handler for event
 365         }
 366
 367 };