///import core
///import plugins\paragraph.js
///commands 首行缩进
///commandsName  Outdent,Indent
///commandsTitle  取消缩进,首行缩进
/**
 * 首行缩进
 * @function
 * @name baidu.editor.execCommand
 * @param   {String}   cmdName     outdent取消缩进，indent缩进
 */
UE.commands['indent'] = {
    execCommand : function() {
         var me = this,value = me.queryCommandState("indent") ? "0em" : (me.options.indentValue || '2em');
         me.execCommand('Paragraph','p',{style:'text-indent:'+ value});
    },
    queryCommandState : function() {
        var pN = domUtils.filterNodeList(this.selection.getStartElementPath(),'p h1 h2 h3 h4 h5 h6');
        return pN && pN.style.textIndent && parseInt(pN.style.textIndent) ?  1 : 0;
    }

};