gHtmlEditor = Ext.extend(Ext.form.HtmlEditor, {

    textMode:false,
    invalidMarker:'',
    tags:'',
    hideMode:'display',
    
    //implementa i metodi non supportati
    markInvalid:function(msg) {
      //var bd = this.getEditorBody();
      //this.savedBorderStyle=bd.style.border;
      //bd.style.border='1px solid #DD7870';
      if (this.invalidMarker) {
        this.invalidMarker.getEl().setStyle('width','0px');
        this.invalidMarker.getEl().setStyle('padding','0');
        this.invalidMarker.getEl().setStyle('border','none');
        this.invalidMarker.getEl().setStyle('display','block');
        this.invalidMarker.markInvalid(msg);
      }
    },

    clearInvalid:function() {
      //var bd = this.getEditorBody();
      //bd.style.border=this.savedBorderStyle;
      if (this.invalidMarker) {
        this.invalidMarker.getEl().setStyle('display','none');
        this.invalidMarker.clearInvalid();
      }  
    },
    
    hide:function(obj) {
      this.wrap.dom.style.display='none';
      return gHtmlEditor.superclass.hide.call(this,obj);
    },

    show:function(obj) {
      this.wrap.dom.style.display='block';
      return gHtmlEditor.superclass.show.call(this,obj);
    },
    
    onRender:function(ct, position) {
      if (this.textMode) {
        this.enableFormat=this.enableFontSize=this.enableColors=false;
        this.enableAlignments=this.enableLists=this.enableLinks=this.enableFont=this.enableSourceEdit=false;
      }
      gHtmlEditor.superclass.onRender.call(this,ct, position);      
    },
    
    createToolbar:function(o) {
      //call standard method
      gHtmlEditor.superclass.createToolbar.call(this,o);
      //create user-defined toolbar buttons
      
      function createTagOptions(o){ //build tag options
          var buf=[],fs=o.tags,ff,lc,text;
          buf.push('<option value=""></option>');
          for(var i=0,len=fs.length;i<len;i++){
              ff=fs[i];
              lc=ff.toLowerCase();
              text=ff.replace(/%/g,'');
              text=text.replace('hh_','');
              buf.push('<option value="',lc,'">',text,'</option>');
          }
          buf.push('<option value="','%hh_url_subscription_remove%','">','Unsubscribe URL','</option>');
          buf.push('<option value="','%hh_url_subscription_update%','">','Update URL','</option>');         
          buf.push('<option value="','%hh_list_disclaimer%','">','List disclaimer','</option>');         
          return buf.join('');
      };    
      
      var tb=this.tb;
      var shtml=createTagOptions(this); //obtaing option html
      
      this.tagSelect = tb.el.createChild({ //build new select object to be added to the toolbar
        tag:'select',
        cls:'x-tag-select',
        html:shtml
      });
      this.tagSelect.on('change', function() { //on change add the new tag
        var tag = this.tagSelect.dom.value;
        if (tag!='') {
          this.insertAtCursor(tag);
          this.deferFocus();
        }  
      }, this);
      if (!this.textMode)
        tb.add('-');
      tb.add('<b>Tags</b>&nbsp;');
      tb.add(this.tagSelect.dom);
    }
    
  });