fileaction.java

来自「一个简易的java画图软件」· Java 代码 · 共 171 行

package app.action;

import java.awt.event.ActionEvent;

/**
 * 抽象类，文件菜单的菜单项的Action的基类
 * 
 * @author Thihy
 * 
 */
public abstract class FileAction extends PaintAction {
	public FileAction() {
		this(null);
	}

	public FileAction(String id) {
		super(id);
	}

	/**
	 * 新建Action
	 * 
	 * @author Thihy
	 * 
	 */
	public static class NewAction extends FileAction {
		public NewAction() {
			super("NewAction");
			setEnabled(true);
		}

		@Override
		public void actionPerformed(ActionEvent e) {
			app.getDraw().creatView();
		}

	}

	/**
	 * 打开文件
	 * 
	 * @author Thihy
	 * 
	 */
	public static class OpenAction extends FileAction {
		public OpenAction() {
			super("OpenAction");
			setEnabled(true);
		}

		@Override
		public void actionPerformed(ActionEvent e) {
			app.getDraw().OpenView();
		}

	}

	/**
	 * 关闭当前窗口
	 * 
	 * @author Thihy
	 * 
	 */
	public static class CloseAction extends FileAction {
		public CloseAction() {
			super("CloseAction");
		}

		@Override
		public void actionPerformed(ActionEvent e) {
			setEnabled(app == null);
			app.getDraw().closeCurrentView();
		}

	}

	/**
	 * 关闭所有窗口
	 * 
	 * @author Thihy
	 * 
	 */
	public static class CloseAllAction extends FileAction {
		public CloseAllAction() {
			super("CloseAllAction");
		}

		@Override
		public void actionPerformed(ActionEvent e) {
			app.getDraw().closeAllViews();
		}

	}

	/**
	 * 保存当前窗口
	 * 
	 * @author Thihy
	 * 
	 */
	public static class SaveAction extends FileAction {
		public SaveAction() {
			super("SaveAction");
		}

		@Override
		public void actionPerformed(ActionEvent e) {
			app.getDraw().saveCurrentView();
		}

	}

	/**
	 * 另存当前窗口为另一个文件
	 * 
	 * @author Thihy
	 * 
	 */
	public static class SaveAsAction extends FileAction {
		public SaveAsAction() {
			super("SaveAsAction");

		}

		@Override
		public void actionPerformed(ActionEvent e) {
			app.getDraw().saveCurrentViewAs();
		}
	}

	/**
	 * 导出当前图形到文件
	 * 
	 * @author Thihy
	 * 
	 */
	public static class GeneteImageAction extends FileAction {
		public GeneteImageAction() {
			super("GeneteImageAction");

		}

		@Override
		public void actionPerformed(ActionEvent e) {
			try {
				app.getDraw().getCurrentView().saveAsSvg();
			} catch (NullPointerException evt) {
			}
		}
	}

	/**
	 * 退出主窗口，会验证每个文档是否需要保存
	 * 
	 * @author Thihy
	 * 
	 */
	public static class ExitAction extends FileAction {
		public ExitAction() {
			super("ExitAction");
			setEnabled(true);
		}

		@Override
		public void actionPerformed(ActionEvent e) {
			if (app.getDraw().closeAllViews())
				app.dispose();
		}
	}
}