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UE.registerUI('myimgs', function(editor, uiName) {
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//注册按钮执行时的command命令，使用命令默认就会带有回退操作
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editor.registerCommand(uiName, {
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execCommand: function() {
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alert('execCommand:' + uiName)
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}
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});
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//创建一个button
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var btn = new UE.ui.Button({
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//按钮的名字
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name: uiName,
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//提示
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title: uiName,
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//添加额外样式，指定icon图标，这里默认使用一个重复的icon
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cssRules: 'background-position: -500px 0;',
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//点击时执行的命令
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onclick: function() {
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//这里可以不用执行命令,做你自己的操作也可
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editor.execCommand(uiName);
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}
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});
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//当点到编辑内容上时，按钮要做的状态反射
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editor.addListener('selectionchange', function() {
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var state = editor.queryCommandState(uiName);
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if (state == -1) {
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btn.setDisabled(true);
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btn.setChecked(false);
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} else {
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btn.setDisabled(false);
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btn.setChecked(state);
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}
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});
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//因为你是添加button,所以需要返回这个button
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return btn;
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});
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