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