GroupTab.java

/*******************************************************************************
 * Copyright (c) 2000, 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.examples.controlexample;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Widget;

class GroupTab extends Tab {
	/* Example widgets and groups that contain them */
	Group	group1;

	Group	groupGroup;
	/* Style widgets added to the "Style" group */
	Button	shadowEtchedInButton, shadowEtchedOutButton, shadowInButton, shadowOutButton, shadowNoneButton;

	Button	titleButton;

	/**
	 * Creates the Tab within a given instance of ControlExample.
	 */
	GroupTab(ControlExample instance) {
		super(instance);
	}

	/**
	 * Creates the "Example" group.
	 */
	void createExampleGroup() {
		super.createExampleGroup();

		/* Create a group for the Group */
		groupGroup = new Group(exampleGroup, SWT.NONE);
		groupGroup.setLayout(new GridLayout());
		groupGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
		groupGroup.setText("Group");
	}

	/**
	 * Creates the "Example" widgets.
	 */
	void createExampleWidgets() {

		/* Compute the widget style */
		int style = getDefaultStyle();
		if (shadowEtchedInButton.getSelection())
			style |= SWT.SHADOW_ETCHED_IN;
		if (shadowEtchedOutButton.getSelection())
			style |= SWT.SHADOW_ETCHED_OUT;
		if (shadowInButton.getSelection())
			style |= SWT.SHADOW_IN;
		if (shadowOutButton.getSelection())
			style |= SWT.SHADOW_OUT;
		if (shadowNoneButton.getSelection())
			style |= SWT.SHADOW_NONE;
		if (borderButton.getSelection())
			style |= SWT.BORDER;

		/* Create the example widgets */
		group1 = new Group(groupGroup, style);
	}

	/**
	 * Creates the "Other" group.
	 */
	void createOtherGroup() {
		super.createOtherGroup();

		/* Create display controls specific to this example */
		titleButton = new Button(otherGroup, SWT.CHECK);
		titleButton.setText(ControlExample.getResourceString("Title_Text"));

		/* Add the listeners */
		titleButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				setTitleText();
			}
		});
	}

	/**
	 * Creates the "Style" group.
	 */
	void createStyleGroup() {
		super.createStyleGroup();

		/* Create the extra widgets */
		shadowEtchedInButton = new Button(styleGroup, SWT.RADIO);
		shadowEtchedInButton.setText("SWT.SHADOW_ETCHED_IN");
		shadowEtchedInButton.setSelection(true);
		shadowEtchedOutButton = new Button(styleGroup, SWT.RADIO);
		shadowEtchedOutButton.setText("SWT.SHADOW_ETCHED_OUT");
		shadowInButton = new Button(styleGroup, SWT.RADIO);
		shadowInButton.setText("SWT.SHADOW_IN");
		shadowOutButton = new Button(styleGroup, SWT.RADIO);
		shadowOutButton.setText("SWT.SHADOW_OUT");
		shadowNoneButton = new Button(styleGroup, SWT.RADIO);
		shadowNoneButton.setText("SWT.SHADOW_NONE");
		borderButton = new Button(styleGroup, SWT.CHECK);
		borderButton.setText("SWT.BORDER");
	}

	/**
	 * Gets the "Example" widget children.
	 */
	Widget[] getExampleWidgets() {
		return new Widget[] { group1 };
	}

	/**
	 * Returns a list of set/get API method names (without the set/get prefix) that can be used to set/get values in the
	 * example control(s).
	 */
	String[] getMethodNames() {
		return new String[] { "ToolTipText" };
	}

	/**
	 * Gets the text for the tab folder item.
	 */
	String getTabText() {
		return "Group";
	}

	/**
	 * Sets the state of the "Example" widgets.
	 */
	void setExampleWidgetState() {
		super.setExampleWidgetState();
		shadowEtchedInButton.setSelection((group1.getStyle() & SWT.SHADOW_ETCHED_IN) != 0);
		shadowEtchedOutButton.setSelection((group1.getStyle() & SWT.SHADOW_ETCHED_OUT) != 0);
		shadowInButton.setSelection((group1.getStyle() & SWT.SHADOW_IN) != 0);
		shadowOutButton.setSelection((group1.getStyle() & SWT.SHADOW_OUT) != 0);
		shadowNoneButton.setSelection((group1.getStyle() & SWT.SHADOW_NONE) != 0);
		borderButton.setSelection((group1.getStyle() & SWT.BORDER) != 0);
		if (!instance.startup)
			setTitleText();
	}

	/**
	 * Sets the title text of the "Example" widgets.
	 */
	void setTitleText() {
		if (titleButton.getSelection())
			group1.setText(ControlExample.getResourceString("Title_Text"));
		else
			group1.setText("");
		setExampleWidgetSize();
	}
}