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39 lines
909 B
39 lines
909 B
9 years ago
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package com.fr.design.mainframe;
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/**
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* 帮助信息的面板由于需要滚动条所以采用了很挫的dialog做，dialog很多情况下不能主动关闭，这边控制一下
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* Coder: zack
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* Date: 2016/11/2
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* Time: 16:34
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*/
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public class HelpDialogManager {
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private static HelpDialogManager THIS;
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private HelpDialogHandler handler;
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private HelpDialogManager() {
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}
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public HelpDialogHandler getPane() {
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return handler;
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}
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public void setPane(HelpDialogHandler dialog) {
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if (dialog == this.handler) {
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return;
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}
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//只允许一个dialog存在
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if (this.handler != null) {
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handler.destroyHelpDialog();
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}
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this.handler = dialog;
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}
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public static HelpDialogManager getInstance() {
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if (THIS == null) {
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THIS = new HelpDialogManager();
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}
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return THIS;
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}
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}
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