listtab.java

很好的学习swt的 sample 很好的学习swt的 sample

package org.eclipse.swt.examples.controlexample;

/*
 * (c) Copyright IBM Corp. 2000, 2002.
 * This file is made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 */

import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.layout.*;

class ListTab extends ScrollableTab {

	/* Example widgets and groups that contain them */
	List list1;
	Group listGroup;
	
	static String [] ListData1 = {ControlExample.getResourceString("ListData1_0"),
								  ControlExample.getResourceString("ListData1_1"),
								  ControlExample.getResourceString("ListData1_2"),
								  ControlExample.getResourceString("ListData1_3"),
								  ControlExample.getResourceString("ListData1_4"),
								  ControlExample.getResourceString("ListData1_5"),
								  ControlExample.getResourceString("ListData1_6"),
								  ControlExample.getResourceString("ListData1_7"),
								  ControlExample.getResourceString("ListData1_8")};

	/**
	 * Creates the Tab within a given instance of ControlExample.
	 */
	ListTab(ControlExample instance) {
		super(instance);
	}
	
	/**
	 * Creates the "Example" group.
	 */
	void createExampleGroup () {
		super.createExampleGroup ();
		
		/* Create a group for the list */
		listGroup = new Group (exampleGroup, SWT.NULL);
		listGroup.setLayout (new GridLayout ());
		listGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
		listGroup.setText ("List");
	}
	
	/**
	 * Creates the "Example" widgets.
	 */
	void createExampleWidgets () {
		
		/* Compute the widget style */
		int style = SWT.NONE;
		if (singleButton.getSelection ()) style |= SWT.SINGLE;
		if (multiButton.getSelection ()) style |= SWT.MULTI;
		if (horizontalButton.getSelection ()) style |= SWT.H_SCROLL;
		if (verticalButton.getSelection ()) style |= SWT.V_SCROLL;
		if (borderButton.getSelection ()) style |= SWT.BORDER;
	
		/* Create the example widgets */
		list1 = new List (listGroup, style);
		list1.setItems (ListData1);
	}
	
	/**
	 * Gets the "Example" widget children.
	 */
	Control [] getExampleWidgets () {
		return new Control [] {list1};
	}
	
	/**
	 * Gets the text for the tab folder item.
	 */
	String getTabText () {
		return "List";
	}
}