dialogsample.java

Eclipse RCP应用系统开发方法与实战源代码

package rcpbook.swtjface.sample;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.program.Program;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.ColorDialog;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.FontDialog;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;

public class DialogSample {
	public static void main(String[] args) {
		final Display display = Display.getDefault();
		final Shell shell = new Shell();
		shell.setSize(330, 180);
		shell.setText("Dialog示例");
		shell.setLayout(new RowLayout());
		MessageBox messageBox = new MessageBox(shell, SWT.YES | SWT.NO
				| SWT.ICON_QUESTION);
		messageBox.setMessage("确认删除当前记录？");
		messageBox.setText("提示");
		messageBox.open();

		MessageDialog.openWarning(shell, "提示", "操作错误，请重新导入Excel数据！");

		FontDialog fontDialog = new FontDialog(shell);
		FontData fontData = fontDialog.open();
		if (fontData != null) {
			Font font = new Font(shell.getDisplay(), fontData);
			// 使用所选择的字体对象
			font.dispose();// 使用完毕释放
		}

		ColorDialog colorDialog = new ColorDialog(shell);
		RGB rgb = colorDialog.open();
		if (rgb != null) {
			Color color = new Color(shell.getDisplay(), rgb);
			// 使用所选择的字体对象
			color.dispose();// 使用完毕释放
		}

		DirectoryDialog directoryDialog = new DirectoryDialog(shell);
		// 对话框标题
		directoryDialog.setText("系统数据备份");
		// 对话框提示文字
		directoryDialog.setMessage("请选择备份目标文件夹：");
		final String detsFolder = directoryDialog.open();
		if (detsFolder == null)
			MessageDialog.openInformation(shell, "提示", "未选择任何文件！");

		FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);
		fileDialog.setFilterExtensions(new String[] { "*.doc", "*.xls",
				"*.ppt", "*.*" });
		fileDialog.setFilterPath("%userprofile%/My Documents");
		String fileName = fileDialog.open();
		if (fileName != null) {
			Program.launch(fileName);
		}

		InputDialog inputDialog = new InputDialog(shell, "数据输入", "请输入邮政编码：",
				"000000", new IInputValidator() {
					public String isValid(String newText) {
						if (newText.length() != 6) {
							return "邮政编码长度有误！";
						}
						return null;
					}
				});
		if (inputDialog.open() == Window.OK)
			MessageDialog.openInformation(shell, "提示", "您输入的邮政编码为："
					+ inputDialog.getValue());
		else
			MessageDialog.openInformation(shell, "提示", "您取消了数据输入！");

		Button progress = new Button(shell, SWT.NONE);
		progress.setText("显示进度条");
		progress.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				try {
					new ProgressMonitorDialog(shell).run(true, false,
							new IRunnableWithProgress() {
								public void run(IProgressMonitor monitor)
										throws InvocationTargetException,
										InterruptedException {
									monitor.beginTask("开始执行。。。", 100);
									for (int i = 0; i < 100; i++) {
										monitor.subTask("正在进行第" + i + "步。。。");
										monitor.worked(1);
										Thread.sleep(100);
									}
									monitor.done();
								}
							});
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});

		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
}