/**
 * 插入附件
 */
UE.plugin.register('insertfile', function (){

    var me = this;

    function getFileIcon(url){
        var ext = url.substr(url.lastIndexOf('.') + 1).toLowerCase(),
            maps = {
                "rar":"icon_rar.gif",
                "zip":"icon_rar.gif",
                "tar":"icon_rar.gif",
                "gz":"icon_rar.gif",
                "bz2":"icon_rar.gif",
                "doc":"icon_doc.gif",
                "docx":"icon_doc.gif",
                "pdf":"icon_pdf.gif",
                "mp3":"icon_mp3.gif",
                "xls":"icon_xls.gif",
                "chm":"icon_chm.gif",
                "ppt":"icon_ppt.gif",
                "pptx":"icon_ppt.gif",
                "avi":"icon_mv.gif",
                "rmvb":"icon_mv.gif",
                "wmv":"icon_mv.gif",
                "flv":"icon_mv.gif",
                "swf":"icon_mv.gif",
                "rm":"icon_mv.gif",
                "exe":"icon_exe.gif",
                "psd":"icon_psd.gif",
                "txt":"icon_txt.gif",
                "jpg":"icon_jpg.gif",
                "png":"icon_jpg.gif",
                "jpeg":"icon_jpg.gif",
                "gif":"icon_jpg.gif",
                "ico":"icon_jpg.gif",
                "bmp":"icon_jpg.gif"
            };
        return maps[ext] ? maps[ext]:maps['txt'];
    }

    return {
        commands:{
            'insertfile': {
                execCommand: function (command, filelist){
                    filelist = utils.isArray(filelist) ? filelist : [filelist];

                    if(me.fireEvent('beforeinsertfile',filelist) === true){
                        return;
                    }

                    var i, item, icon, title,
                        html = '',
                        URL = me.getOpt('UEDITOR_HOME_URL'),
                        iconDir = URL + (URL.substr(URL.length - 1) == '/' ? '':'/') + 'dialogs/attachment/fileTypeImages/';
                    for (i = 0; i < filelist.length; i++) {
                        item = filelist[i];
                        icon = iconDir + getFileIcon(item.url);
                        title = item.title || item.url.substr(item.url.lastIndexOf('/') + 1);
                        html += '<p style="line-height: 16px;">' +
                            '<img style="vertical-align: middle; margin-right: 2px;" src="'+ icon + '" _src="' + icon + '" />' +
                            '<a style="font-size:12px; color:#0066cc;" href="' + item.url +'" title="' + title + '">' + title + '</a>' +
                            '</p>';
                    }
                    me.execCommand('insertHtml', html);

                    me.fireEvent('afterinsertfile',filelist);
                }
            }
        }
    }
});