Java Button.getLayoutData方法代碼示例

import org.eclipse.swt.widgets.Button; //導入方法依賴的package包/類
@Override
public void createControl(Composite parent) {
    super.createControl(parent);

    Button btnDef = getDefaultsButton();
    btnDef.setText(Messages.dbStorePrefPage_clear_db_store);
    GridData defGd = (GridData) btnDef.getLayoutData();
    defGd.widthHint = Math.max(defGd.widthHint,
            btnDef.computeSize(SWT.DEFAULT, SWT.DEFAULT).x);
    btnDef.getParent().layout();
}
 

import org.eclipse.swt.widgets.Button; //導入方法依賴的package包/類
@Override
public void attachToPropertySubGroup(AbstractELTContainerWidget container) {

	ELTDefaultSubgroupComposite exportFieldComposite = new ELTDefaultSubgroupComposite(
			container.getContainerControl());
	exportFieldComposite.createContainerWidget();

	// Create Label and into Composite.
	AbstractELTWidget exportXSDLableWidget = new ELTDefaultLable("Export XSD");
	exportFieldComposite.attachWidget(exportXSDLableWidget);
	setPropertyHelpWidget((Control) exportXSDLableWidget.getSWTWidgetControl());

	// Create export button and into Composite.
	AbstractELTWidget exportXSDButtonWidget = new ELTDefaultButton("Export").grabExcessHorizontalSpace(false);
	exportFieldComposite.attachWidget(exportXSDButtonWidget);
	exportButton = (Button) exportXSDButtonWidget.getSWTWidgetControl();
	GridData gridData = (GridData) exportButton.getLayoutData();
	gridData.widthHint = 90;

	// On export button click.
	exportButton.addSelectionListener(new SelectionAdapter() {

		@Override
		public void widgetSelected(SelectionEvent e) {

			// Validation : Check whether schema is define or not before
			// exporting the file.
			Schema schema = (Schema) getComponent().getProperties().get(Constants.SCHEMA_PROPERTY_NAME);
			if ((null == schema || (schema != null && schema.getGridRow().size() == 0))) {
				// Show message dialog and return.
				MessageDialog.openError(exportButton.getShell(), "Error", "Schema not defined in Schema tab.");
				return;
			}
			exportSchemaFile();
		}

	});

}
 

import org.eclipse.swt.widgets.Button; //導入方法依賴的package包/類
public void update(String currentPageId) {
	if (composite == null || composite.isDisposed())
		return;
	GC metricsGC = new GC(composite);
	FontMetrics metrics = metricsGC.getFontMetrics();
	metricsGC.dispose();
	List buttons = (List) buttonMap.get(currentPageId);
	Control[] children = composite.getChildren();

	int visibleChildren = 0;
	Button closeButton = getButton(IDialogConstants.CLOSE_ID);

	for (int i = 0; i < children.length; i++) {
		Control control = children[i];
		if (closeButton == control)
			closeButton.dispose();
		else {
			control.setVisible(false);
			setButtonLayoutData(metrics, control, false);
		}
	}
	if (buttons != null) {
		for (int i = 0; i < buttons.size(); i++) {
			Button button = (Button) buttons.get(i);
			button.setVisible(true);
			setButtonLayoutData(metrics, button, true);
			GridData data = (GridData) button.getLayoutData();
			data.exclude = false;
			visibleChildren++;
		}
	}

	GridLayout compositeLayout = (GridLayout) composite.getLayout();
	compositeLayout.numColumns = visibleChildren;
	composite.layout(true);
}
 

import org.eclipse.swt.widgets.Button; //導入方法依賴的package包/類
/**
 * Creates the stack layout composite for SQLQuery 
 * @param selectionComposite
 */
private void createSQLQueryComposite(ELTSubGroupCompositeWithStack selectionComposite) {

	Utils.INSTANCE.loadProperties();
	cursor = selectionComposite.getContainerControl().getDisplay().getSystemCursor(SWT.CURSOR_HAND);
	sqlQueryComposite = new ELTSubGroupCompositeWithStack(selectionComposite.getContainerControl());
	sqlQueryComposite.createContainerWidget();

	sqlQueryComposite.numberOfBasicWidgets(3);

	AbstractELTWidget createWidgetlabel = createWidgetlabel(Messages.SQL_QUERY, sqlQueryComposite);
	selectLable.getSWTWidgetControl().setData(String.valueOf(key_value++), createWidgetlabel.getSWTWidgetControl());

	AbstractELTWidget sqlQueryWgt = createWidgetTextbox(Messages.SQL_QUERY, sqlQueryComposite);
	sqlQueryDecorator = attachDecoratorToTextbox(Messages.SQL_QUERY, sqlQueryWgt, sqlQueryDecorator);
	sqlQueryTextBox = (Text) sqlQueryWgt.getSWTWidgetControl();
	attachListeners(sqlQueryWgt);

	ELTDefaultButton sqlQueryButtonWgt = new ELTDefaultButton("...");
	sqlQueryButtonWgt.buttonWidth(25);
	sqlQueryButtonWgt.buttonHeight(20);
	sqlQueryButtonWgt.grabExcessHorizontalSpace(false);
	sqlQueryComposite.attachWidget(sqlQueryButtonWgt);
	Button buttonAlignment = ((Button) sqlQueryButtonWgt.getSWTWidgetControl());
	GridData data = (GridData) buttonAlignment.getLayoutData();
	data.verticalIndent = 5;
	buttonAlignment.addSelectionListener(buttonWidgetSelectionListener(sqlQueryTextBox));
	buttonWidgetSelectionListener(sqlQueryTextBox);

	AbstractELTWidget createWidgetlabel2 = createWidgetlabel(Messages.EXTRACT_FROM_METASTORE, sqlQueryComposite);
	selectLable.getSWTWidgetControl().setData(String.valueOf(key_value++), createWidgetlabel2.getSWTWidgetControl());

	ELTDefaultButton editButton = new ELTDefaultButton(Messages.EXTRACT);
	sqlQueryComposite.attachWidget(editButton);

	Button button = (Button) editButton.getSWTWidgetControl();
	GridData gridData = new GridData(SWT.LEFT, SWT.CENTER, false, false, 0, 0);
	gridData.widthHint = 92;
	gridData.horizontalIndent = 15;
	button.setLayoutData(gridData);

	button.addSelectionListener(attachExtractButtonSelectionListner());
	//TODO Below code commented for future use
	/*
	 * Currently, we are not showing SQL_QUERY_COUNTER widget. So, below code will be comment out.
	 */
	/*createWidgetlabel(Messages.SQL_QUERY_COUNTER, sqlQueryComposite);
	AbstractELTWidget sqlQueryCounterWgt = createWidgetTextbox(Messages.SQL_QUERY_COUNTER, sqlQueryComposite);
	sqlQueryCountertextbox = (Text) sqlQueryCounterWgt.getSWTWidgetControl();
	attachListeners(sqlQueryCounterWgt);

	ELTDefaultButton sqlQueryCounterButtonWgt = new ELTDefaultButton("...");
	sqlQueryCounterButtonWgt.buttonWidth(25);
	sqlQueryCounterButtonWgt.buttonHeight(20);
	sqlQueryCounterButtonWgt.grabExcessHorizontalSpace(false);
	sqlQueryComposite.attachWidget(sqlQueryCounterButtonWgt);
	Button sqlQueryCounterButton = ((Button) sqlQueryCounterButtonWgt.getSWTWidgetControl());
	GridData sqlQueryCounterData = (GridData) sqlQueryCounterButton.getLayoutData();
	sqlQueryCounterData.verticalIndent = 5;
	sqlQueryCounterButton.addSelectionListener(buttonWidgetSelectionListener(sqlQueryCountertextbox));*/

}
 

import org.eclipse.swt.widgets.Button; //導入方法依賴的package包/類
private void tabSelected(CTabItem item) {
	if (item.getData() instanceof IConfigurationElement) {
		final IConfigurationElement element = (IConfigurationElement) item
				.getData();

		Composite pageComposite = (Composite) item.getControl();
		try {
			final InstallationPage page = (InstallationPage) element
					.createExecutableExtension(IWorkbenchRegistryConstants.ATT_CLASS);
			page.createControl(pageComposite);
			// new controls created since the dialog font was applied, so
			// apply again.
			Dialog.applyDialogFont(pageComposite);
			page.setPageContainer(this);
			// Must be done before creating the buttons because the control
			// button creation methods
			// use this map.
			pageToId.put(page, element
					.getAttribute(IWorkbenchRegistryConstants.ATT_ID));
			createButtons(page);
			item.setData(page);
			item.addDisposeListener(new DisposeListener() {

				@Override
				public void widgetDisposed(DisposeEvent e) {
					page.dispose();
				}
			});
			pageComposite.layout(true, true);

		} catch (CoreException e1) {
			Label label = new Label(pageComposite, SWT.NONE);
			label.setText(e1.getMessage());
			item.setData(null);
		}

	}
	String id = (String) item.getData(ID);
	rememberSelectedTab(id);
	buttonManager.update(id);
	Button button = createButton(buttonManager.getParent(),
			IDialogConstants.CLOSE_ID, IDialogConstants.CLOSE_LABEL, true);
	GridData gd = (GridData) button.getLayoutData();
	gd.horizontalAlignment = SWT.BEGINNING;
	gd.horizontalIndent = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH) / 2;
	// Layout the button bar's parent and all of its children.  We must
	// cascade through all children because the buttons have changed and
	// because tray dialog inserts an extra composite in the button bar
	// hierarchy.
	getButtonBar().getParent().layout(true, true);

}