/**
Bootstrap wysihtml5 editor.   
To use it you should **manually** include required js and css files.

    <link rel="stylesheet" type="text/css" href="/css/bootstrap-wysihtml5.css"></link>  
    <script src="js/wysihtml5-0.3.0.js"></script>  
    <script src="js/bootstrap-wysihtml5.js"></script>  

You can download these files from https://github.com/jhollingworth/bootstrap-wysihtml5

@class wysihtml5
@extends abstractinput
@final
@since 1.4.0
@example
<div id="comments" data-type="wysihtml5" data-pk="1"><h2>awesome</h2> comment!</div>
<script>
$(function(){
    $('#comments').editable({
        url: '/post',
        title: 'Enter comments'
    });
});
</script>
**/
(function ($) {

    var Wysihtml5 = function (options) {
        this.init('wysihtml5', options, Wysihtml5.defaults);
        
        //extend wysihtml5 manually as $.extend not recursive 
        this.options.wysihtml5 = $.extend({}, Wysihtml5.defaults.wysihtml5, options.wysihtml5);
    };

    $.fn.editableutils.inherit(Wysihtml5, $.fn.editabletypes.abstractinput);

    $.extend(Wysihtml5.prototype, {
        render: function () {
            var deferred = $.Deferred();

            //generate unique id as it required for wysihtml5
            this.$input.attr('id', 'textarea_'+(new Date()).getTime());

            this.setClass();
            this.setAttr('rows');            
            this.setAttr('placeholder');            

            
            //resolve deffered when widget loaded
            $.extend(this.options.wysihtml5, {
                events: {
                  load: function() {
                     deferred.resolve();
                  }  
                }
            });
            
            this.$input.wysihtml5(this.options.wysihtml5);
            
            /*
             In IE8 wysihtml5 iframe stays on the same line with buttons toolbar (inside popover).
             Not pretty but working solution is to add <br>. If you fine better way, please send PR.   
            */
            if($.browser.msie && parseInt($.browser.version, 10) <= 8) {
                this.$input.before('<br><br>'); 
            }
            
            return deferred.promise();
        },
       
        value2html: function(value, element) {
            $(element).html(value);
        },

        html2value: function(html) {
            return html;
        },
        
        value2input: function(value) {
            this.$input.data("wysihtml5").editor.setValue(value, true);
        }, 

        activate: function() {
            this.$input.data("wysihtml5").editor.focus();
        }
    });

    Wysihtml5.defaults = $.extend({}, $.fn.editabletypes.abstractinput.defaults, {
        /**
        @property tpl
        @default <textarea></textarea>
        **/
        tpl:'<textarea class="editable-wysihtml5"></textarea>',
        /**
        @property inputclass
        @default null
        **/
        inputclass: null,
        /**
        Placeholder attribute of input. Shown when input is empty.

        @property placeholder
        @type string
        @default null
        **/
        placeholder: null,
        /**
        Number of rows in textarea

        @property rows
        @type integer
        @default 10
        **/        
        rows: 10,
        /**
        Wysihtml5 default options.  
        See https://github.com/jhollingworth/bootstrap-wysihtml5#options

        @property wysihtml5
        @type object
        @default {stylesheets: false}
        **/        
        wysihtml5: {
            stylesheets: false //see https://github.com/jhollingworth/bootstrap-wysihtml5/issues/183
        }
    });

    $.fn.editabletypes.wysihtml5 = Wysihtml5;

}(window.jQuery));