git.sur5r.net Git - bacula/bacula/blob - gui/baculum/framework/Web/Javascripts/source/prado/controls/htmlarea.js

   1
   2 /*
   3  *
   4  * HtmlArea (tinyMCE) wrapper
   5  *
   6  * @author Gabor Berczi <gabor.berczi@devworx.hu>
   7  *
   8 */
   9
  10
  11 Prado.WebUI.THtmlArea = Class.create(Prado.WebUI.Control,
  12 {
  13         initialize: function($super, options)
  14         {
  15                 options.ID = options.EditorOptions.elements;
  16                 $super(options);
  17         },
  18
  19     onInit : function(options)
  20         {
  21                 this.options = options;
  22
  23                 var obj = this;
  24                 this.ajaxresponder = {
  25                         onComplete : function(request)
  26                         {
  27                                 if(request && (request instanceof Prado.AjaxRequest))
  28                                         obj.checkInstance();
  29                         }
  30                 };
  31                 this.registerAjaxHook();
  32
  33                 this.registerInstance();
  34         },
  35
  36         registerInstance: function()
  37         {
  38                 if (typeof tinyMCE_GZ == 'undefined')
  39                         {
  40                                 if (typeof tinyMCE == 'undefined')
  41                                         {
  42                                                 if (typeof Prado.CallbackRequest != 'undefined')
  43                                                         if (typeof Prado.CallbackRequest.transport != 'undefined')
  44                                                         {
  45                                                                 // we're in a callback
  46                                                                 // try it again in some time, as tinyMCE is most likely still loading
  47                                                                 this.setTimeout(this.registerInstance.bind(this), 50);
  48                                                                 return;
  49                                                         }
  50                                                 throw "TinyMCE libraries must be loaded first";
  51                                         }
  52                                 Prado.WebUI.THtmlArea.tinyMCELoadState = 255;
  53                                 this.initInstance();
  54                         }
  55                 else
  56                         if (Prado.WebUI.THtmlArea.tinyMCELoadState==255)
  57                                 this.initInstance();
  58                         else
  59                                 {
  60                                         Prado.WebUI.THtmlArea.pendingRegistrations.push(this.options.ID);
  61                                         if (Prado.WebUI.THtmlArea.tinyMCELoadState==0)
  62                                         {
  63                                                 Prado.WebUI.THtmlArea.tinyMCELoadState = 1;
  64                                                 tinyMCE_GZ.init(
  65                                                         this.options.CompressionOptions,
  66                                                         this.compressedScriptsLoaded.bind(this)
  67                                                 );
  68                                         }
  69                                 }
  70         },
  71
  72         compressedScriptsLoaded: function()
  73         {
  74                 Prado.WebUI.THtmlArea.tinyMCELoadState = 255;
  75                 var wrapper;
  76                 while(Prado.WebUI.THtmlArea.pendingRegistrations.length>0)
  77                         if (wrapper = Prado.Registry.get(Prado.WebUI.THtmlArea.pendingRegistrations.pop()))
  78                                 wrapper.initInstance();
  79         },
  80
  81         initInstance: function()
  82         {
  83                 tinyMCE.init(this.options.EditorOptions);
  84         },
  85
  86         checkInstance: function()
  87         {
  88                 if (!document.getElementById(this.ID))
  89                         this.deinitialize();
  90         },
  91
  92         removePreviousInstance: function()
  93         {
  94                 for(var i=0;i<tinyMCE.editors.length;i++)
  95                         if (tinyMCE.editors[i].id==this.ID)
  96                         {
  97                                 tinyMCE.editors.splice(i,1); // ugly hack, but works
  98                                 this.deRegisterAjaxHook();
  99                                 this.deregister();
 100                                 i--;
 101                         }
 102         },
 103
 104         registerAjaxHook: function()
 105         {
 106                 if (typeof(Ajax)!="undefined")
 107                         if (typeof(Ajax.Responders)!="undefined")
 108                                 Ajax.Responders.register(this.ajaxresponder);
 109         },
 110
 111
 112         deRegisterAjaxHook: function()
 113         {
 114                 if (typeof(Ajax)!="undefined")
 115                         if (typeof(Ajax.Responders)!="undefined")
 116                                 Ajax.Responders.unregister(this.ajaxresponder);
 117         },
 118
 119         onDone: function()
 120         {
 121                 // check for previous tinyMCE registration, and try to remove it gracefully first
 122                 var prev = tinyMCE.get(this.ID);
 123                 if (prev)
 124                 try
 125                 {
 126                         tinyMCE.execCommand('mceFocus', false, this.ID);
 127                         // when removed, tinyMCE restores its content to the textarea. If the textarea content has been
 128                         // updated in this same callback, it will be overwritten with the old content. Workaround this.
 129                         var curtext = $(this.ID).value;
 130                         tinyMCE.execCommand('mceRemoveControl', false, this.ID);
 131                         $(this.ID).value = curtext;
 132                 }
 133                 catch (e)
 134                 {
 135                         // suppress error here in case editor can't be properly removed
 136                         // (happens when <textarea> has been removed from DOM tree without deinitialzing the tinyMCE editor first)
 137                 }
 138
 139                 // doublecheck editor instance here and remove manually from tinyMCE-registry if neccessary
 140                 this.removePreviousInstance();
 141
 142                 this.deRegisterAjaxHook();
 143         }
 144 });
 145
 146 Object.extend(Prado.WebUI.THtmlArea,
 147 {
 148         pendingRegistrations : [],
 149         tinyMCELoadState : 0
 150 });
 151
 152