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   1  // <?php !! This fools phpdocumentor into parsing this file
   2  /**
   3  * @version        $Id: mambojavascript.js 14401 2010-01-26 14:10:00Z louis $
   4  * @package        Joomla
   5  * @copyright    Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
   6  * @license        GNU/GPL
   7  * Joomla! is Free Software
   8  */
   9  
  10  // general utility for browsing a named array or object
  11  function xshow(o) {
  12      s = '';
  13      for(e in o) {s += e+'='+o[e]+'\n';}
  14      alert( s );
  15  }
  16  
  17  /**
  18  * Writes a dynamically generated list
  19  * @param string The parameters to insert into the <select> tag
  20  * @param array A javascript array of list options in the form [key,value,text]
  21  * @param string The key to display for the initial state of the list
  22  * @param string The original key that was selected
  23  * @param string The original item value that was selected
  24  */
  25  function writeDynaList( selectParams, source, key, orig_key, orig_val ) {
  26      var html = '\n    <select ' + selectParams + '>';
  27      var i = 0;
  28      for (x in source) {
  29          if (source[x][0] == key) {
  30              var selected = '';
  31              if ((orig_key == key && orig_val == source[x][1]) || (i == 0 && orig_key != key)) {
  32                  selected = 'selected="selected"';
  33              }
  34              html += '\n        <option value="'+source[x][1]+'" '+selected+'>'+source[x][2]+'</option>';
  35          }
  36          i++;
  37      }
  38      html += '\n    </select>';
  39  
  40      document.writeln( html );
  41  }
  42  
  43  /**
  44  * Changes a dynamically generated list
  45  * @param string The name of the list to change
  46  * @param array A javascript array of list options in the form [key,value,text]
  47  * @param string The key to display
  48  * @param string The original key that was selected
  49  * @param string The original item value that was selected
  50  */
  51  function changeDynaList( listname, source, key, orig_key, orig_val ) {
  52      var list = eval( 'document.adminForm.' + listname );
  53  
  54      // empty the list
  55      for (i in list.options.length) {
  56          list.options[i] = null;
  57      }
  58      i = 0;
  59      for (x in source) {
  60          if (source[x][0] == key) {
  61              opt = new Option();
  62              opt.value = source[x][1];
  63              opt.text = source[x][2];
  64  
  65              if ((orig_key == key && orig_val == opt.value) || i == 0) {
  66                  opt.selected = true;
  67              }
  68              list.options[i++] = opt;
  69          }
  70      }
  71      list.length = i;
  72  }
  73  
  74  /**
  75  * Adds a select item(s) from one list to another
  76  */
  77  function addSelectedToList( frmName, srcListName, tgtListName ) {
  78      var form = eval( 'document.' + frmName );
  79      var srcList = eval( 'form.' + srcListName );
  80      var tgtList = eval( 'form.' + tgtListName );
  81  
  82      var srcLen = srcList.length;
  83      var tgtLen = tgtList.length;
  84      var tgt = "x";
  85  
  86      //build array of target items
  87      for (var i=tgtLen-1; i > -1; i--) {
  88          tgt += "," + tgtList.options[i].value + ","
  89      }
  90  
  91      //Pull selected resources and add them to list
  92      for (var i=srcLen-1; i > -1; i--) {
  93          if (srcList.options[i].selected && tgt.indexOf( "," + srcList.options[i].value + "," ) == -1) {
  94              opt = new Option( srcList.options[i].text, srcList.options[i].value );
  95              tgtList.options[tgtList.length] = opt;
  96          }
  97      }
  98  }
  99  
 100  function delSelectedFromList( frmName, srcListName ) {
 101      var form = eval( 'document.' + frmName );
 102      var srcList = eval( 'form.' + srcListName );
 103  
 104      var srcLen = srcList.length;
 105  
 106      for (var i=srcLen-1; i > -1; i--) {
 107          if (srcList.options[i].selected) {
 108              srcList.options[i] = null;
 109          }
 110      }
 111  }
 112  
 113  function moveInList( frmName, srcListName, index, to) {
 114      var form = eval( 'document.' + frmName );
 115      var srcList = eval( 'form.' + srcListName );
 116      var total = srcList.options.length-1;
 117  
 118      if (index == -1) {
 119          return false;
 120      }
 121      if (to == +1 && index == total) {
 122          return false;
 123      }
 124      if (to == -1 && index == 0) {
 125          return false;
 126      }
 127  
 128      var items = new Array;
 129      var values = new Array;
 130  
 131      for (i=total; i >= 0; i--) {
 132          items[i] = srcList.options[i].text;
 133          values[i] = srcList.options[i].value;
 134      }
 135      for (i = total; i >= 0; i--) {
 136          if (index == i) {
 137              srcList.options[i + to] = new Option(items[i],values[i], 0, 1);
 138              srcList.options[i] = new Option(items[i+to], values[i+to]);
 139              i--;
 140          } else {
 141              srcList.options[i] = new Option(items[i], values[i]);
 142         }
 143      }
 144      srcList.focus();
 145  }
 146  
 147  function getSelectedOption( frmName, srcListName ) {
 148      var form = eval( 'document.' + frmName );
 149      var srcList = eval( 'form.' + srcListName );
 150  
 151      i = srcList.selectedIndex;
 152      if (i != null && i > -1) {
 153          return srcList.options[i];
 154      } else {
 155          return null;
 156      }
 157  }
 158  
 159  function setSelectedValue( frmName, srcListName, value ) {
 160      var form = eval( 'document.' + frmName );
 161      var srcList = eval( 'form.' + srcListName );
 162  
 163      var srcLen = srcList.length;
 164  
 165      for (var i=0; i < srcLen; i++) {
 166          srcList.options[i].selected = false;
 167          if (srcList.options[i].value == value) {
 168              srcList.options[i].selected = true;
 169          }
 170      }
 171  }
 172  
 173  function getSelectedRadio( frmName, srcGroupName ) {
 174      var form = eval( 'document.' + frmName );
 175      var srcGroup = eval( 'form.' + srcGroupName );
 176  
 177      if (srcGroup[0]) {
 178          for (var i=0, n=srcGroup.length; i < n; i++) {
 179              if (srcGroup[i].checked) {
 180                  return srcGroup[i].value;
 181              }
 182          }
 183      } else {
 184          if (srcGroup.checked) {
 185              return srcGroup.value;
 186          } // if the one button is checked, return zero
 187      }
 188     // if we get to this point, no radio button is selected
 189     return null;
 190  }
 191  
 192  function getSelectedValue( frmName, srcListName ) {
 193      var form = eval( 'document.' + frmName );
 194      var srcList = eval( 'form.' + srcListName );
 195  
 196      i = srcList.selectedIndex;
 197      if (i != null && i > -1) {
 198          return srcList.options[i].value;
 199      } else {
 200          return null;
 201      }
 202  }
 203  
 204  function getSelectedText( frmName, srcListName ) {
 205      var form = eval( 'document.' + frmName );
 206      var srcList = eval( 'form.' + srcListName );
 207  
 208      i = srcList.selectedIndex;
 209      if (i != null && i > -1) {
 210          return srcList.options[i].text;
 211      } else {
 212          return null;
 213      }
 214  }
 215  
 216  function chgSelectedValue( frmName, srcListName, value ) {
 217      var form = eval( 'document.' + frmName );
 218      var srcList = eval( 'form.' + srcListName );
 219  
 220      i = srcList.selectedIndex;
 221      if (i != null && i > -1) {
 222          srcList.options[i].value = value;
 223          return true;
 224      } else {
 225          return false;
 226      }
 227  }
 228  
 229  /**
 230  * Toggles the check state of a group of boxes
 231  *
 232  * Checkboxes must have an id attribute in the form cb0, cb1...
 233  * @param The number of box to 'check'
 234  * @param An alternative field name
 235  */
 236  function checkAll( n, fldName ) {
 237    if (!fldName) {
 238       fldName = 'cb';
 239    }
 240      var f = document.adminForm;
 241      var c = f.toggle.checked;
 242      var n2 = 0;
 243      for (i=0; i < n; i++) {
 244          cb = eval( 'f.' + fldName + '' + i );
 245          if (cb) {
 246              cb.checked = c;
 247              n2++;
 248          }
 249      }
 250      if (c) {
 251          document.adminForm.boxchecked.value = n2;
 252      } else {
 253          document.adminForm.boxchecked.value = 0;
 254      }
 255  }
 256  
 257  function listItemTask( id, task ) {
 258      var f = document.adminForm;
 259      cb = eval( 'f.' + id );
 260      if (cb) {
 261          for (i = 0; true; i++) {
 262              cbx = eval('f.cb'+i);
 263              if (!cbx) break;
 264              cbx.checked = false;
 265          } // for
 266          cb.checked = true;
 267          f.boxchecked.value = 1;
 268          submitbutton(task);
 269      }
 270      return false;
 271  }
 272  
 273  function hideMainMenu()
 274  {
 275      document.adminForm.hidemainmenu.value=1;
 276  }
 277  
 278  function isChecked(isitchecked){
 279      if (isitchecked == true){
 280          document.adminForm.boxchecked.value++;
 281      }
 282      else {
 283          document.adminForm.boxchecked.value--;
 284      }
 285  }
 286  
 287  /**
 288  * Default function.  Usually would be overriden by the component
 289  */
 290  function submitbutton(pressbutton) {
 291      submitform(pressbutton);
 292  }
 293  
 294  /**
 295  * Submit the admin form
 296  */
 297  function submitform(pressbutton){
 298      document.adminForm.task.value=pressbutton;
 299      if (typeof document.adminForm.onsubmit == "function") {
 300          document.adminForm.onsubmit();
 301      }
 302      document.adminForm.submit();
 303  }
 304  
 305  /**
 306  * Submit the control panel admin form
 307  */
 308  function submitcpform(sectionid, id){
 309      document.adminForm.sectionid.value=sectionid;
 310      document.adminForm.id.value=id;
 311      submitbutton("edit");
 312  }
 313  
 314  /**
 315  * Getting radio button that is selected.
 316  */
 317  function getSelected(allbuttons){
 318      for (i=0;i<allbuttons.length;i++) {
 319          if (allbuttons[i].checked) {
 320              return allbuttons[i].value
 321          }
 322      }
 323  }
 324  
 325  // JS Calendar
 326  var calendar = null; // remember the calendar object so that we reuse
 327  // it and avoid creating another
 328  
 329  // This function gets called when an end-user clicks on some date
 330  function selected(cal, date) {
 331      cal.sel.value = date; // just update the value of the input field
 332  }
 333  
 334  // And this gets called when the end-user clicks on the _selected_ date,
 335  // or clicks the "Close" (X) button.  It just hides the calendar without
 336  // destroying it.
 337  function closeHandler(cal) {
 338      cal.hide();            // hide the calendar
 339  
 340      // don't check mousedown on document anymore (used to be able to hide the
 341      // calendar when someone clicks outside it, see the showCalendar function).
 342      Calendar.removeEvent(document, "mousedown", checkCalendar);
 343  }
 344  
 345  // This gets called when the user presses a mouse button anywhere in the
 346  // document, if the calendar is shown.  If the click was outside the open
 347  // calendar this function closes it.
 348  function checkCalendar(ev) {
 349      var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);
 350      for (; el != null; el = el.parentNode)
 351      // FIXME: allow end-user to click some link without closing the
 352      // calendar.  Good to see real-time stylesheet change :)
 353      if (el == calendar.element || el.tagName == "A") break;
 354      if (el == null) {
 355          // calls closeHandler which should hide the calendar.
 356          calendar.callCloseHandler(); Calendar.stopEvent(ev);
 357      }
 358  }
 359  
 360  // This function shows the calendar under the element having the given id.
 361  // It takes care of catching "mousedown" signals on document and hiding the
 362  // calendar if the click was outside.
 363  function showCalendar(id) {
 364      var el = document.getElementById(id);
 365      if (calendar != null) {
 366          // we already have one created, so just update it.
 367          calendar.hide();        // hide the existing calendar
 368          calendar.parseDate(el.value); // set it to a new date
 369      } else {
 370          // first-time call, create the calendar
 371          var cal = new Calendar(true, null, selected, closeHandler);
 372          calendar = cal;        // remember the calendar in the global
 373          cal.setRange(1900, 2070);    // min/max year allowed
 374          calendar.create();        // create a popup calendar
 375      }
 376      calendar.sel = el;        // inform it about the input field in use
 377      calendar.showAtElement(el);    // show the calendar next to the input field
 378  
 379      // catch mousedown on the document
 380      Calendar.addEvent(document, "mousedown", checkCalendar);
 381      return false;
 382  }
 383  
 384  /**
 385  * Pops up a new window in the middle of the screen
 386  */
 387  function popupWindow(mypage, myname, w, h, scroll) {
 388      var winl = (screen.width - w) / 2;
 389      var wint = (screen.height - h) / 2;
 390      winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
 391      win = window.open(mypage, myname, winprops)
 392      if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
 393  }
 394  
 395  // LTrim(string) : Returns a copy of a string without leading spaces.
 396  function ltrim(str)
 397  {
 398     var whitespace = new String(" \t\n\r");
 399     var s = new String(str);
 400     if (whitespace.indexOf(s.charAt(0)) != -1) {
 401        var j=0, i = s.length;
 402        while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
 403           j++;
 404        s = s.substring(j, i);
 405     }
 406     return s;
 407  }
 408  
 409  //RTrim(string) : Returns a copy of a string without trailing spaces.
 410  function rtrim(str)
 411  {
 412     var whitespace = new String(" \t\n\r");
 413     var s = new String(str);
 414     if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
 415        var i = s.length - 1;       // Get length of string
 416        while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
 417           i--;
 418        s = s.substring(0, i+1);
 419     }
 420     return s;
 421  }
 422  
 423  // Trim(string) : Returns a copy of a string without leading or trailing spaces
 424  function trim(str) {
 425     return rtrim(ltrim(str));
 426  }
 427  
 428  function mosDHTML(){
 429      this.ver=navigator.appVersion
 430      this.agent=navigator.userAgent
 431      this.dom=document.getElementById?1:0
 432      this.opera5=this.agent.indexOf("Opera 5")<-1
 433      this.ie5=(this.ver.indexOf("MSIE 5")<-1 && this.dom && !this.opera5)?1:0;
 434      this.ie6=(this.ver.indexOf("MSIE 6")<-1 && this.dom && !this.opera5)?1:0;
 435      this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
 436      this.ie=this.ie4||this.ie5||this.ie6
 437      this.mac=this.agent.indexOf("Mac")<-1
 438      this.ns6=(this.dom && parseInt(this.ver) <= 5) ?1:0;
 439      this.ns4=(document.layers && !this.dom)?1:0;
 440      this.bw=(this.ie6||this.ie5||this.ie4||this.ns4||this.ns6||this.opera5);
 441  
 442      this.activeTab = '';
 443      this.onTabStyle = 'ontab';
 444      this.offTabStyle = 'offtab';
 445  
 446      this.setElemStyle = function(elem,style) {
 447          document.getElementById(elem).className = style;
 448      }
 449      this.showElem = function(id) {
 450          if (elem == document.getElementById(id)) {
 451              elem.style.visibility = 'visible';
 452              elem.style.display = 'block';
 453          }
 454      }
 455      this.hideElem = function(id) {
 456          if (elem == document.getElementById(id)) {
 457              elem.style.visibility = 'hidden';
 458              elem.style.display = 'none';
 459          }
 460      }
 461      this.cycleTab = function(name) {
 462          if (this.activeTab) {
 463              this.setElemStyle( this.activeTab, this.offTabStyle );
 464              page = this.activeTab.replace( 'tab', 'page' );
 465              this.hideElem(page);
 466          }
 467          this.setElemStyle( name, this.onTabStyle );
 468          this.activeTab = name;
 469          page = this.activeTab.replace( 'tab', 'page' );
 470          this.showElem(page);
 471      }
 472      return this;
 473  }
 474  var dhtml = new mosDHTML();
 475  
 476  function MM_findObj(n, d) { //v4.01
 477      var p,i,x;
 478      if(!d) d=document;
 479      if((p=n.indexOf("?"))>0&&parent.frames.length) {
 480          d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
 481      }
 482      if(!(x=d[n])&&d.all) x=d.all[n];
 483      for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
 484      for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
 485      if(!x && d.getElementById) x=d.getElementById(n);
 486      return x;
 487  }
 488  function MM_swapImage() { //v3.0
 489      var i,j=0,x,a=MM_swapImage.arguments;
 490      document.MM_sr=new Array;
 491      for(i=0;i<(a.length-2);i+=3)
 492      if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x;
 493      if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
 494  }
 495  function MM_swapImgRestore() { //v3.0
 496      var i,x,a=document.MM_sr;
 497      for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
 498  }
 499  
 500  function MM_preloadImages() { //v3.0
 501      var d=document;
 502      if(d.images){
 503      if(!d.MM_p) d.MM_p=new Array();
 504      var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
 505      for(i=0; i<a.length; i++)
 506      if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
 507  }
 508  
 509  
 510  function saveorder( n ) {
 511      checkAll_button( n );
 512  }
 513  
 514  //needed by saveorder function
 515  function checkAll_button( n ) {
 516      for ( var j = 0; j <= n; j++ ) {
 517          box = eval( "document.adminForm.cb" + j );
 518          if ( box ) {
 519              if ( box.checked == false ) {
 520                  box.checked = true;
 521              }
 522          } else {
 523              alert("You cannot change the order of items, as an item in the list is `Checked Out`");
 524              return;
 525          }
 526      }
 527      submitform('saveorder');
 528  }
 529  /**
 530  * @param object A form element
 531  * @param string The name of the element to find
 532  */
 533  function getElementByName( f, name ) {
 534      if (f.elements) {
 535          for (i=0, n=f.elements.length; i < n; i++) {
 536              if (f.elements[i].name == name) {
 537                  return f.elements[i];
 538              }
 539          }
 540      }
 541      return null;
 542  }