source: trunk/expressoMail1_2/js/rich_text_editor.js @ 5745

function cRichTextEditor(){
    this.emwindow   = new Array;
    this.editor = "body_1";
    this.table = "";
    this.id = "1";
    this.saveFlag = 0;
    this.signatures = false;
    this.replyController = false; 
    this.newImageId = false;
    this.plain = new Array;
    this.editorReady = true;
}

// This code was written by Tyler Akins and has been placed in the
// public domain.  It would be nice if you left this header intact.
// Base64 code from Tyler Akins -- http://rumkin.com

var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

var ua = navigator.userAgent.toLowerCase();
if (ua.indexOf(" chrome/") >= 0 || ua.indexOf(" firefox/") >= 0 || ua.indexOf(' gecko/') >= 0) {
    var StringMaker = function () {
        this.str = "";
        this.length = 0;
        this.append = function (s) {
            this.str += s;
            this.length += s.length;
        }
        this.prepend = function (s) {
            this.str = s + this.str;
            this.length += s.length;
        }
        this.toString = function () {
            return this.str;
        }
    }
} else {
    var StringMaker = function () {
        this.parts = [];
        this.length = 0;
        this.append = function (s) {
            this.parts.push(s);
            this.length += s.length;
        }
        this.prepend = function (s) {
            this.parts.unshift(s);
            this.length += s.length;
        }
        this.toString = function () {
            return this.parts.join('');
        }
    }
}

cRichTextEditor.prototype.fromJSON = function( value )
{
    return (new Function( "return " + this.decode64( value )))();
}

cRichTextEditor.prototype.decode64 = function(input) { 
        if( typeof input === "undefined" ) return '';

        var output = new StringMaker();
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;

        // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

        while (i < input.length) {
                enc1 = keyStr.indexOf(input.charAt(i++));
                enc2 = keyStr.indexOf(input.charAt(i++));
                enc3 = keyStr.indexOf(input.charAt(i++));
                enc4 = keyStr.indexOf(input.charAt(i++));

                chr1 = (enc1 << 2) | (enc2 >> 4);
                chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
                chr3 = ((enc3 & 3) << 6) | enc4;

                output.append(String.fromCharCode(chr1));

                if (enc3 != 64) {
                        output.append(String.fromCharCode(chr2));
                }
                if (enc4 != 64) {
                        output.append(String.fromCharCode(chr3));
                }
        }

        return output.toString();
}


cRichTextEditor.prototype.loadEditor = function(ID) {
        
        var parentDiv = document.getElementById("body_position_" + ID);
        var pObj = "body_" + ID;
        var textArea = document.createElement("TEXTAREA");
        textArea.id = pObj;
        textArea.style.width = '100%';
        parentDiv.appendChild(textArea);
        RichTextEditor.plain[ID] = false; 
        
        if(preferences.plain_text_editor == 1)
                {
                        RichTextEditor.plain[ID] = true;  
                        RichTextEditor.editorReady = true;
                }
        else 
                        RichTextEditor.active(pObj);
}

cRichTextEditor.prototype.getSignaturesOptions = function() {
        
        if(RichTextEditor.signatures !== false)
            return RichTextEditor.signatures;
                
        var signatures = this.fromJSON( preferences.signatures );
        var signature_types = this.fromJSON( preferences.signature_types );

        for( key in signatures )
            if( !signature_types[key] )
                signatures[key] = signatures[key].replace( /\n/g, "<br>" );
                 
        RichTextEditor.signatures = signatures;
        return signatures;

}

cRichTextEditor.prototype.getSignatureDefault = function() {
         
        if(RichTextEditor.signatures === false)
            RichTextEditor.signatures = RichTextEditor.getSignaturesOptions(); 
         
        if(!RichTextEditor.signatures ||  
           !RichTextEditor.signatures[preferences.signature_default || ""])
        {
          preferences.use_signature = "0"; //Desabilita o uso da assinatura
          return '';
        } 
        
        return unescape(RichTextEditor.signatures[preferences.signature_default]);

}



cRichTextEditor.prototype.execPosInstance = function(inst) {
     if(RichTextEditor.editorReady === false)
     {
        var editor =  CKEDITOR.instances[inst]; 
        var id = inst.replace('body_','');
        editor.document.on('keydown', function(event)
        {
                away = false;
                var save_link = Element("save_message_options_"+id);
                save_link.onclick = function onclick() {openTab.toPreserve[id] = true;save_msg(id);} ;
                $("#save_message_options_"+id).button({ disabled: false });
        });
        
       
        // IM Module Enabled
        if( window.parent.loadscript && loadscript.autoStatusIM )
        {
                CKEDITOR.instances[inst].document.on('keydown', function(event){
                        loadscript.autoStatusIM;
                });             
        }

        if (preferences.auto_save_draft == 1)
        {
            autoSaveControl.status[id] = true;
            autoSaveControl.timer[id] = window.setInterval( "autoSave("+id+")" ,autosave_time);  

            CKEDITOR.instances[inst].document.on('keydown', function(event){   
                autoSaveControl.status[id] = false;
            })
        }
        
        $(".cke_editor").css("white-space", "normal");
        RichTextEditor.editorReady = true;
     }  
}

cRichTextEditor.prototype.setPlain = function (active,id){
      RichTextEditor.plain[id] = active;
      if(active === true)
      {
            CKEDITOR.instances['body_'+id].destroy();
            var height = document.body.scrollHeight;
            height -= 330;
            $('#body_'+id).height(height);
            $('#body_'+id).keydown(function(event) {
                away = false;
                var save_link = Element("save_message_options_"+id);
                save_link.onclick = function onclick() {openTab.toPreserve[id] = true;save_msg(id);} ;
                                $("#save_message_options_"+id).button({ disabled: false });
                //save_link.className = 'message_options';
            });
                        $("[name=textplain_rt_checkbox_"+id+"]").button({ disabled: false });
      }   
      else
          RichTextEditor.active('body_'+id, id);
}

cRichTextEditor.prototype.getData = function (inst){  
    var id = inst.replace('body_','');
    
    if(RichTextEditor.plain[id] === true)
        return $('#'+inst).val();
    else
        return CKEDITOR.instances[inst].getData();
}
cRichTextEditor.prototype.setData = function (id,data){
    
     if(this.plain[id] === true)
        $('#'+id).val(data);
     else
        CKEDITOR.instances[id].setData(data)
}
cRichTextEditor.prototype.setInitData = function (id,data,reply,recursion){
    
    if(recursion === undefined) recursion = 1;
    else recursion++;    
    
     if(this.plain[id] === true)
     {               
                data =  data.replace( new RegExp('<pre>((.\n*)*)</pre>'),'$1');
                
                if($('#'+id) !== undefined){
                        $('#'+id).val(data);
                 if (reply === undefined)       
                        $('#to_'+id).focus();
         }
         else
                          setTimeout(function() {RichTextEditor.setInitData(id,data,reply,recursion); }, 500);
         }  
     else
     {
       if( RichTextEditor.editorReady === true && CKEDITOR.instances['body_'+id] !== undefined )    
       {
           var editor =   CKEDITOR.instances['body_'+id];   
           editor.insertHtml('');
           var selection = editor.getSelection();
           if(selection !== undefined && selection !== null) var selectionRanges = selection.getRanges(); 

           var fontSize = '';
           var fontFamily = '';
           
           if(typeof(preferences.font_size_editor) !== 'undefined')
               fontSize = 'font-size:' + preferences.font_size_editor;
               
           if(fontSize != '') 
               fontFamily = ';'
           
           if(typeof(preferences.font_family_editor) !== 'undefined')
               fontFamily += 'font-family:' + preferences.font_family_editor + ';'; 
            
           var divBr = '<div style="'+fontSize+fontFamily+'"><br type="_moz"></div>';
          
                    if(reply === undefined){
                                editor.on('insertHtml',function setFocus(e){
                                                        setTimeout("$('#to_"+id+"').focus()",100);
                                                        editor.removeListener('insertHtml', setFocus);
                                                }
                                );
                                editor.insertHtml(divBr+divBr+data);
                        }
                        else if(reply == 'edit')
                                editor.insertHtml(data);
                        else
                                editor.insertHtml(divBr+data);
           
           if(selection !== null) selection.selectRanges(selectionRanges); 
                   
                   //Coloca o scroll do editor no inicio
                   if (is_webkit){
                                $('#cke_contents_body_'+id+'>iframe').scrollTo(':first');
                   }
          //Caso não for uma resposta votla o foco para o input to
          //if(reply === undefined)    
            //      setTimeout("$('#to_"+id+"').focus()",100);
  
       }
       else if(recursion < 20)
           setTimeout(function() {RichTextEditor.setInitData(id,data,reply,recursion); }, 500);
     } 
}

cRichTextEditor.prototype.destroy = function(id)
{
        //Remove Instancia do editor
        if( CKEDITOR.instances[id] !== undefined )   
             CKEDITOR.remove(CKEDITOR.instances[id]);
}
cRichTextEditor.prototype.active = function(id, just_id)
{
   
   //Remove Instancia do editor caso ela exista
    if( CKEDITOR.instances[id] !== undefined )   
         CKEDITOR.remove(CKEDITOR.instances[id]);
     
    var height = document.body.scrollHeight;
     height -= 375;
     $('#'+id).ckeditor( 
          function() {RichTextEditor.execPosInstance(id)},
          {
              toolbar:'mail',
              height: height
          }); 
        $("[name=textplain_rt_checkbox_"+just_id+"]").button({ disabled: false });
}
cRichTextEditor.prototype.focus = function(id)
{
    if(RichTextEditor.plain[id]  === true)
        $('#body_'+id).focus();
    else
        CKEDITOR.instances['body_'+id].focus(); 

}
//Função reseta o atributo contentEditable para resolver bug de cursor ao trocar abas 
cRichTextEditor.prototype.setEditable = function(id) { 
        if( CKEDITOR.instances['body_'+ id] === undefined ) return;    
        var element = CKEDITOR.instances['body_'+ id].document.getBody(); 
        element.removeAttribute('contentEditable'); 
        element.setAttribute('contentEditable','true'); 
} 
//Build the Object
RichTextEditor = new cRichTextEditor();