source: trunk/expressoMail1_2/js/rich_text_editor.js @ 7766

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 )
{
        if(!value)
                return '';
        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.loadEditor2 = function(ID) {      
                var pObj = "body_" + ID;
        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_','');
        var content = $("#content_id_"+id)
        editor.document.on('keydown', function(event)
        {
                away = false;
                var save_link = content.find(".save");
                save_link.unbind("click").click(function(){
                        openTab.toPreserve[id] = true;save_msg(id);
                });
                save_link.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");

    if(typeof(preferences.font_size_editor) !== 'undefined')
        $(editor.document.$.body).css("font-size",preferences.font_size_editor);
    if(typeof(preferences.font_family_editor) !== 'undefined')
        $(editor.document.$.body).css("font-family",preferences.font_family_editor);

    RichTextEditor.editorReady = true;
    }   
}

cRichTextEditor.prototype.setPlain = function (active,id){
      RichTextEditor.plain[id] = active;
          var content = $("#content_id_"+id);
          //var div = $("<div>").attr("display", "none");
      if(active === true)
      {
            CKEDITOR.instances['body_'+id].destroy();
            var height = document.body.scrollHeight;
            height -= 330;
            //Insere o texto sem formatação no textarea
            var text_body = remove_tags($('#body_'+id).val());
            $('#body_'+id).val(text_body);
            
            $('#body_'+id).keydown(function(event) {
                away = false;
                save_link = content.find(".save")[0];
                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 });

            $('#body_'+id).on('keydown',function(){
            $("#content_id_"+currentTab+" .save").button("enable");
        });
      }   
      else{
          RichTextEditor.active('body_'+id, id);
          /*Insere somente quebras de linha para que o texto convertido não fique todo em uma linha só*/
          var text_body = $('#body_'+id).val().replace(/[\n]+/g, '<br>');
          $('#body_'+id).val(text_body);
      }
}

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.replace('body_','')] === true)
                $('#'+id).val(data);
    else
        CKEDITOR.instances[id].setData(data);
}

cRichTextEditor.prototype.dataReady = function(id,reply)
{
        var content = $("#content_id_"+id);
        var input = content.find('.new-message-input.to:first');
        if (this.plain[id]){
                if (reply === 'forward')
                        setTimeout(function(){input.focus();},400);
        }
        else{
                CKEDITOR.instances['body_'+id].on('dataReady',function(e){
                        if (reply === 'forward' ){      
                                setTimeout(function(){
                                                RichTextEditor.blur(id);
                                                content.find('input[name="input_subject"]').focus();
                                                input.focus();                                          
                                },600.);        
                        }
                        else if (reply === 'new'){
                                setTimeout(function(){
                                                RichTextEditor.blur(id);
                                                content.find('input[name="input_subject"]').focus();
                                                input.focus();
                                },500);

                        };
                });
        }
}

cRichTextEditor.prototype.setInitData = function (id,data,reply,recursion, callback){
        var content = $("#content_id_"+id);
        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]; 
                        var selection = editor.getSelection();
                        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(selection !== undefined && selection !== null){
                                var selectionRanges = selection.getRanges(); 
                        }
                        if(reply !== undefined){
                                if(reply == 'edit')
                                        editor.insertHtml(data);
                                else
                                        editor.insertHtml(divBr+data);
                                editor.focus();
                        }

                        if(selection !== null){ 
                                if(selectionRanges[selectionRanges.length-1] !== undefined){
                                        selectionRanges[selectionRanges.length-1].setStart(selectionRanges[selectionRanges.length-1].getTouchedStartNode().getParents()[1].getChild(0), 0);
                                        selectionRanges[selectionRanges.length-1].setEnd(selectionRanges[selectionRanges.length-1].getTouchedStartNode().getParents()[1].getChild(0), 0);
                                }
                                selection.selectRanges(selectionRanges);
                        }
                        
                        if (is_webkit){
                                $('#cke_contents_body_'+id+'>iframe').scrollTo(':first');
                        }
                        if(callback !== undefined)
                                callback();
                }
                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(); 

}

cRichTextEditor.prototype.blur = function(id)
{
    if(RichTextEditor.plain[id]  === true)
        $('#body_'+id).blur();
    else{
            var focusManager = new CKEDITOR.focusManager( CKEDITOR.instances['body_'+id] );
                if (focusManager)
                        focusManager.blur();
        }
}

//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'); 
} 
cRichTextEditor.prototype.keydown = function (id,rec){
    if (rec === undefined) rec = 1;
    rec++;
    if( CKEDITOR.instances['body_'+ id] === undefined ) return;    
    var element = CKEDITOR.instances['body_'+ id];  
    
    if(element.document){
        element.document.on('keydown',function(){
            $("#content_id_"+currentTab+" .save").button("enable");
        });
    } else {
        if (rec <= 20)
                setTimeout(function(){RichTextEditor.keydown(id,rec)},500);
    }
}
//Build the Object
RichTextEditor = new cRichTextEditor();