01.code/LanweiUI/UEditor/_src/plugins/font.js

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///import core
///import plugins\removeformat.js
///commands 字体颜色,背景色,字号,字体,下划线,删除线
///commandsName  ForeColor,BackColor,FontSize,FontFamily,Underline,StrikeThrough
///commandsTitle  字体颜色,背景色,字号,字体,下划线,删除线
/**
 * @description 字体
 * @name baidu.editor.execCommand
 * @param {String}     cmdName    执行的功能名称
 * @param {String}    value             传入的值
 */
UE.plugins['font'] = function() {
    var me = this,
        fonts = {
            'forecolor':'color',
            'backcolor':'background-color',
            'fontsize':'font-size',
            'fontfamily':'font-family',
            'underline':'text-decoration',
            'strikethrough':'text-decoration'
        };
    me.setOpt({
        'fontfamily':[
            ['宋体',['宋体', 'SimSun']],
            ['楷体',['楷体', '楷体_GB2312', 'SimKai']],
            ['黑体',['黑体', 'SimHei']],
            ['隶书',['隶书', 'SimLi']],
            ['andale mono',['andale mono']],
            ['arial',['arial', 'helvetica', 'sans-serif']],
            ['arial black',['arial black', 'avant garde']],
            ['comic sans ms',['comic sans ms']],
            ['impact',['impact', 'chicago']],
            ['times new roman',['times new roman']]
        ],
        'fontsize':[10, 11, 12, 14, 16, 18, 20, 24, 36]
    });

    for ( var p in fonts ) {
        (function( cmd, style ) {
            UE.commands[cmd] = {
                execCommand : function( cmdName, value ) {
                    value = value || (this.queryCommandState(cmdName) ? 'none' : cmdName == 'underline' ? 'underline' : 'line-through');
                    var me = this,
                        range = this.selection.getRange(),
                        text;

                    if ( value == 'default' ) {

                        if(range.collapsed){
                            text = me.document.createTextNode('font');
                            range.insertNode(text).select()

                        }
                        me.execCommand( 'removeFormat', 'span,a', style);
                        if(text){
                            range.setStartBefore(text).setCursor();
                            domUtils.remove(text)
                        }