Eclipse RCP

怎样在开发RCP中取得Text中的值？高手快来！我有个程序想取得dialog中的text的值！怎么做最好？会的快来呀！帮帮忙呀！谢了！！！！
[b]问题补充：[/b]
先谢过2位了！我先试试！！

贴一个例子, 这个Dialog是继承自org.eclipse.jface.dialogs.Dialog:
[code="java"]public class TestDiaolog extends Dialog {

private Text nameText;

private String name;

public TestDiaolog(Shell parentShell) {
    super(parentShell);
}

public Text getNameText() {
    return nameText;
}

public String getName() {
    return name;
}

protected Control createDialogArea(Composite parent) {
    Composite container = (Composite) super.createDialogArea(parent);
    nameText = new Text(container, SWT.BORDER);
    nameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    return container;
}

protected void createButtonsForButtonBar(Composite parent) {
    createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
    createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
}

@Override
protected void okPressed() {
    // 如果OK被点击, 给name赋值
    name = nameText.getText();
    super.okPressed();
}

protected Point getInitialSize() {
    return new Point(240, 180);
}

}[/code]下面是测试:
[code="java"] final Display display = Display.getDefault();
final Shell shell = new Shell();
shell.setSize(500, 375);
shell.setText("SWT Application");
//
TestDiaolog dialog = new TestDiaolog(shell);
if (dialog.open() == Dialog.OK) {
MessageDialog.openInformation(shell, "Msg", dialog.getName());
/** 下面这句会抛 org.eclipse.swt.SWTException: Widget is disposed 异常, 因为TestDiaolog此时关闭, Text也随之销毁* */
MessageDialog.openInformation(shell, "Msg", dialog.getNameText().getText());
}
shell.open();
shell.layout();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
}
[/code]

使用[code="java"]text.getText()[/code],有什么问题吗?

另外,这篇文章讲了"给自定义Dialog加入保留对话框值的功能"
http://www.blogjava.net/dreamstone/archive/2007/08/09/134565.html

不知道对你有帮助没有?

要在你的对话框类中放一个和text对应的实例变量:
[code="java"]private Text nameText;

private String name;

@Override
protected void okPressed() {
    name = nameText.getText();
    super.okPressed();
}

public String getName() {
    return name;
}[/code]

然后在关闭对话框的时候选择给这个实例变量赋值, 上面是当点击OK按钮时给name赋值!这样做是因为dialog.open()方法关闭后, 对话框所持有组件自动销毁, 这时如果直接访问Text组件就会出错!