1 // $Id: functions.js,v 1.1.6.2 2008/12/05 11:24:59 wwalc Exp $

     2 

     3 function preinit() {

     4 	// Initialize

     5 	tinyMCE.setWindowArg('mce_windowresize', false);

     6 }

     7 

     8 function init() {

     9   window.focus();

    10   loadCategories(null);

    11 }

    12 

    13 /**

    14  * loadCategories()

    15  * @param obj parent Object

    16  **/

    17 function loadCategories(obj) {

    18   var params = '';

    19   var mid = '0';

    20   var top = 75;

    21   var objTop;

    22   if (obj != null) {

    23     mid = $(obj).get(0).value;

    24 

    25     try

    26     {

    27       objTop = $(obj).attr('id').match(/_(\d+)_sel/);

    28       top += (objTop[1] * 17);

    29     }

    30     catch (e) {

    31       top += 0;

    32     }

    33   }

    34   params = 'ltc-type=linktocontent_menu&ltc-menu-id=' + mid;

    35 

    36   $('#statusImg').css({top: top + 'px'}).show();

    37 

    38   $.ajax({

    39     type: "POST",

    40     url: _getBaseHref() + 'index.php?q=linktocontent',

    41     data: params,

    42     error: function(xml, msg, exc) {

    43       $('#statusImg').hide();

    44       alert('Error: ' + msg + '\n' + xml.responseText);

    45     },

    46     success: function(data){

    47       try {

    48         var results = eval('(' + data + ');');

    49         _clearNodeList();

    50         if ((obj == null) || ($(obj).get(0).value > -1)) {

    51           if (_fillDropdown(obj, results)) {

    52             window.resizeBy(0, 17);

    53           }

    54         }

    55         _fillNodelist(results);

    56       }

    57       catch (e) {

    58         alert('Error on retrieving data from module.\n' + e.name + '\n' + e.message);

    59       } 

    60       finally {

    61         $('#statusImg').hide();

    62       }

    63     }});

    64 }

    65 

    66 function insertAction() {

    67   if (selectedNode == null) {

    68     return;

    69   }

    70 	var inst = tinyMCE.getInstanceById(tinyMCE.getWindowArg('editor_id'));

    71 	var elm = inst.getFocusElement();

    72 

    73 	elm = tinyMCE.getParentElement(elm, "a");

    74 

    75 	tinyMCEPopup.execCommand("mceBeginUndoLevel");

    76 

    77 	// Create new anchor elements

    78 	var path = selectedNode.cells[0].firstChild.nodeValue;

    79 	if (elm == null) {

    80 		var insertText = selectedNode.cells[1].firstChild.nodeValue;

    81     if (inst.selection.getSelectedText().length == 0) {

    82       tinyMCEPopup.execCommand("mceInsertContent", false,

    83         '<a href="' + path + '">' + insertText + '</a>');

    84 		}

    85     else {

    86    	  tinyMCEPopup.execCommand("mceInsertContent", false,

    87         '<a href="' + path + '">' + inst.selection.getSelectedHTML() + '</a>');

    88     } // end (getSelectedText == 0)

    89 	}

    90   else {

    91     elm.setAttribute("mce_href", path);

    92   	// Refresh in old MSIE

    93   	if (tinyMCE.isMSIE5)

    94   		elm.outerHTML = elm.outerHTML;

    95 	}

    96 

    97 	tinyMCE._setEventsEnabled(inst.getBody(), false);

    98 	tinyMCEPopup.execCommand("mceEndUndoLevel");

    99 	tinyMCEPopup.close();

   100 }

   101 

   102 function loadScript(url) {

   103   $('head', document).append('<script type="text/javascript" src="' + url + '"></script>');

   104 }

   105 

   106 /**

   107  * returns the base drupal path

   108  * @access public

   109  **/

   110 function _getBaseHref() {

   111   var url = baseUrl.substring(0, baseUrl.indexOf('modules/'));

   112   if (url.indexOf('sites/') > -1)

   113     url = url.substring(0, url.indexOf('sites/'));

   114   return url;

   115 }

   116 

   117 // dropdown functions

   118 /**

   119  *

   120  * @access public

   121  * @return void

   122  **/

   123 function _createDropdown(obj){

   124   var dropdown;

   125   var elemname = '';

   126   if (obj == null) {

   127     elemname = 'browse_sel_-1';

   128   }

   129   else {

   130     elemname = $(obj).parent().attr('id');

   131     _removeDescendant($(obj));

   132   }

   133 

   134   var level = parseInt(elemname.substring(elemname.lastIndexOf("_") + 1, elemname.length)) + 1;

   135 

   136   var elemBase = elemname.substring(0, elemname.lastIndexOf("_") + 1);

   137 

   138   // create surrounding <div>

   139   var sel_div = $('<div></div>');

   140   $(sel_div).attr('name', elemBase + level);

   141   $(sel_div).attr('id', elemBase + level);

   142   $(sel_div).attr('style', 'display: block; margin: 1px 0; padding: 0; border: 0;');

   143 

   144   // create <select>

   145   var select = $('<select></select>');

   146   $(select).attr('size', 1);

   147   $(select).attr('name', elemBase + level + '_sel');

   148   $(select).attr('id', elemBase + level + '_sel');

   149 

   150   // add event handler

   151   $(select).change(function() {

   152     _removeDescendant($(this).parent());

   153     _clearNodeList();

   154     loadCategories($(this));

   155   });

   156 

   157   // create image (only if level > 0)

   158   if (level > 0) {

   159     var img = $('<img />');

   160     $(img).attr('id', elemname.substring(0, elemname.lastIndexOf('_') + 1) + level + '_img');

   161     $(img).attr('alt', '');

   162     $(img).attr('src', 'images/descendant.gif');

   163     // extra margin for IE

   164     $(img).css({margin: '0px 2px', border: 0});

   165     $(img).css({marginLeft: String((parseInt(level) - 1) * 14) + 'px', marginRight: '2px'});

   166     $(sel_div).append($(img));

   167   }

   168 

   169   $(sel_div).append($(select));

   170   $(sel_div).hide();

   171   $('#form_browse').append($(sel_div));

   172   $(sel_div).show('slow');

   173   return select;

   174 }

   175 

   176 /**

   177  * _fillDropdown

   178  * @return true if a dropdown was inserted

   179  **/

   180 function _fillDropdown(obj, results){

   181   if (results.menus != false) {

   182     var select = _createDropdown(obj);

   183     $(select).addOption(-1, FCKLang.DlgChooseCategory);

   184     for (key in results.menus) {

   185       if (results.menus[key].hasChildren) {

   186         $(select).addOption(results.menus[key].mid, results.menus[key].title);

   187       }

   188     }

   189     return true;

   190   }

   191   return false;

   192 }

   193 

   194 /**

   195 * remove "child" elements

   196 **/

   197 function _removeDescendant(elem) {

   198   if (elem == null)

   199     return;

   200   $(elem).next().each(

   201     function() {

   202       _removeDescendant($(this));

   203       window.resizeBy(0, -17);

   204       $(this).hide('slow').remove();

   205     }

   206   );

   207 }

   208 

   209 // nodelist functions

   210 var selectedNode = null;

   211 

   212 function _fillNodelist(results) {

   213   if ((results == null) || (results.menus == null) || (results.menus == false))

   214     return;

   215 

   216   for (key in results.menus) {

   217     if (results.menus[key].root) {

   218       continue;

   219     }

   220     _addNodeToList(results.menus[key]);

   221   }

   222 }

   223 

   224 function _clearNodeList() {

   225   $('#nodelist tbody tr').each(

   226     function() {

   227       $(this).remove();

   228     }

   229   );

   230 }

   231 

   232 function selectRow(row) {

   233   if (!row) {

   234     return;

   235   }

   236   $('#nodelist tbody tr').each(function() { 

   237     $(this).css({background: '#ffffff'}); 

   238     selectedNode = null; 

   239   });

   240   selectedNode = row;

   241   $(row).css({background: '#dadfe9'});

   242 }

   243 

   244 function _addNodeToList(node){

   245   var tr = $('<tr></tr>').appendTo('#nodelist tbody');

   246   tr.hover(

   247     function() {

   248       if (selectedNode != this) {

   249         $(this).css({background: '#cecece'});

   250       }

   251     },

   252     function() {

   253       if (selectedNode != this) {

   254         $(this).css({background: '#ffffff'});

   255       }

   256     }

   257   );

   258   tr.click(function() {

   259     selectRow(this);

   260   });

   261 

   262   $('<td class="nid">' + node.path + '</td>').appendTo(tr);

   263   $('<td>' + node.title + '</td>').appendTo(tr);

   264 }

   265 

   266 /**

   267  * make the nodelist accessible by keyboard

   268  **/

   269 $('.accessible').keypress(function(e) {

   270   switch (e.keyCode) {

   271     case 39:

   272     case 40: // move selection down

   273       if (selectedNode == null)

   274         selectedNode = $('#nodelist tbody tr').get(0);

   275       else

   276         selectedNode = $(selectedNode).next('tr').get(0);

   277       selectRow(selectedNode);

   278       break;

   279     case 37:

   280     case 38: // move selection up

   281       if (selectedNode == null)

   282         selectedNode = $('#nodelist tbody tr').get($('#nodelist tbody tr').length - 1);

   283       else

   284         selectedNode = $(selectedNode).prev('tr').get(0);

   285       selectRow(selectedNode);

   286     break;

   287   }

   288 });

   289 

   290 // options

   291 $.fn.addOption = function()

   292 {

   293 	if(arguments.length == 0)

   294     return this;

   295 	// select option when added? default is false

   296 	var selectOption = false;

   297 	// multiple items

   298 	var multiple = false;

   299 	if(typeof arguments[0] == "object")

   300 	{

   301 		multiple = true;

   302 		var items = arguments[0];

   303 	}

   304 	if(arguments.length >= 2)

   305 	{

   306 		if(typeof arguments[1] == "boolean")

   307       selectOption = arguments[1];

   308 		else if(typeof arguments[2] == "boolean")

   309       selectOption = arguments[2];

   310     if(!multiple)

   311 		{

   312 			var value = arguments[0];

   313 			var text = arguments[1];

   314 		}

   315 	}

   316 	this.each(

   317 		function()

   318 		{

   319 			if(this.nodeName.toLowerCase() != "select")

   320         return;

   321 			if(multiple)

   322 			{

   323 				for(v in items)

   324 				{

   325 					$(this).addOption(v, items[v], selectOption);

   326 				}

   327 			}

   328 			else

   329 			{

   330 				var option = document.createElement("option");

   331 				option.value = value;

   332 				option.text = text;

   333 				this.options.add(option);

   334 			}

   335 			if(selectOption)

   336 			{

   337 				this.options[this.options.length-1].selected = true;

   338 			}

   339 		}

   340 	)

   341 	return this;

   342 }

   343 

   344 $.fn.removeOption = function()

   345 {

   346 	if(arguments.length == 0)

   347     return this;

   348 	if(typeof arguments[0] == "string")

   349     var value = arguments[0];

   350 	else if(typeof arguments[0] == "number")

   351     var index = arguments[0];

   352 	else

   353     return this;

   354 	this.each(

   355 		function()

   356 		{

   357 			if(this.nodeName.toLowerCase() != "select")

   358         return;

   359 			if(value)

   360 			{

   361 				var optionsLength = this.options.length;

   362 				for(var i=optionsLength-1; i>=0; i--)

   363 				{

   364 					if(this.options[i].value == value)

   365 					{

   366 						this.options[i] = null;

   367 					}

   368 				}

   369 			}

   370 			else

   371 			{

   372 				this.remove(index);

   373 			}

   374 		}

   375 	)

   376 	return this;

   377 }