messagedialog2class.java

第三部分SWT组件增强包(JFace篇)

/**
*@author: WangJinTao,MengQingChang2006
*/
package jfaceDialog;
import org.eclipse.swt.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.jface.dialogs.*;
public class MessageDialog2Class {
	private Text text;
	private Label label;
	public MessageDialog2Class() {
		final Display display = Display.getDefault();
		final Shell shell = new Shell();
		shell.setSize(465, 200);
		shell.setText("MessageDialog实例");
		shell.setLayout(new GridLayout(5, false));
		text = new Text(shell, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL
				| SWT.V_SCROLL);
		GridData data = new GridData(GridData.FILL_BOTH);
		data.horizontalSpan = 5;
		text.setLayoutData(data);

		Button confirm = new Button(shell, SWT.NONE);
		confirm.setText("Confirm");
		GridData gridconfirm = new GridData();
		gridconfirm.widthHint = 85;
		gridconfirm.heightHint = 25;
		confirm.setLayoutData(gridconfirm);
		confirm.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				boolean b = MessageDialog.openConfirm(shell, "Confirm", text
						.getText());
				label.setText("Returned " + Boolean.toString(b));
			}
		});

		Button information = new Button(shell, SWT.NONE);
		information.setText("Information");
		GridData gridinformation = new GridData();
		gridinformation.widthHint = 85;
		gridinformation.heightHint = 25;
		information.setLayoutData(gridinformation);
		information.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				MessageDialog.openInformation(shell, "Information", text
						.getText());
				label.setText("product prompt information");
			}
		});

		Button question = new Button(shell, SWT.NONE);
		question.setText("Question");
		GridData gridquestion = new GridData();
		gridquestion.widthHint = 85;
		gridquestion.heightHint = 25;
		question.setLayoutData(gridquestion);
		question.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				boolean b = MessageDialog.openQuestion(shell, "Question", text
						.getText());
				label.setText("Returned " + Boolean.toString(b));
			}
		});

		Button error = new Button(shell, SWT.NONE);
		error.setText("Error");
		GridData griderror = new GridData();
		griderror.widthHint = 85;
		griderror.heightHint = 25;
		error.setLayoutData(griderror);
		error.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				MessageDialog.openError(shell, "Error", text.getText());
				label.setText("product error information");
			}
		});

		Button warning = new Button(shell, SWT.NONE);
		warning.setText("Warning");
		GridData gridwarning = new GridData();
		gridwarning.widthHint = 85;
		gridwarning.heightHint = 25;
		warning.setLayoutData(gridwarning);
		warning.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				MessageDialog.openWarning(shell, "Warning", text.getText());
				label.setText("product waring information");
			}
		});

		label = new Label(shell, SWT.NONE);
		label.setText("It is not Information");
		GridData datalabel = new GridData(GridData.FILL_HORIZONTAL);
		datalabel.horizontalSpan = 5;
		datalabel.heightHint = 20;
		label.setLayoutData(datalabel);
		shell.open();
		shell.layout();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
	}
	public static void main(String[] args) {
		new MessageDialog2Class();
	}
}