statusbar.java

SWT开发的Java调用COM的工具集

/*
 * Copyright (c) 2007 Software Wizards Pty Ltd, Victoria, Australia.
 * mailto:[e-mail]. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted. See the GNU General Public License
 * for more details.
 *
 * Redistribution of the SWTtoCOM software is not permitted as part of any
 * commercial product. Licensing terms for such distribution may be
 * obtained from the copyright holder.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package au.com.swz.swttocom.example.browser;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.ProgressBar;

public class StatusBar {
	private Label label;
	private ProgressBar progressBar;
	

	public Composite createComposite(Composite parent) {
		Composite client = new Composite(parent, SWT.NONE);
		GridLayout gridLayout = new GridLayout(1, true);
		gridLayout.marginWidth = 2;
		gridLayout.marginHeight = 2;
		gridLayout.numColumns = 2;
		gridLayout.makeColumnsEqualWidth = false;
		gridLayout.horizontalSpacing = 2;
		gridLayout.verticalSpacing = 0;
		client.setLayout(gridLayout);
		
		label = new Label(client, SWT.LEFT);
		GridData layoutData = new GridData();
		layoutData.verticalAlignment = GridData.CENTER;
		layoutData.horizontalAlignment = GridData.FILL;
		layoutData.widthHint = -1;
		layoutData.heightHint = -1;
		layoutData.horizontalIndent = 0;
		layoutData.horizontalSpan = 1;
		layoutData.verticalSpan = 1;
		layoutData.grabExcessHorizontalSpace = true;
		layoutData.grabExcessVerticalSpace = false;
		label.setLayoutData(layoutData);
		label.setText("SWTtoCOM Browser Example");
		
		progressBar = new ProgressBar(client, SWT.HORIZONTAL);
		layoutData = new GridData();
		layoutData.verticalAlignment = GridData.BEGINNING;
		layoutData.horizontalAlignment = GridData.END;
		layoutData.widthHint = 150;
		layoutData.heightHint = -1;
		layoutData.horizontalIndent = 0;
		layoutData.horizontalSpan = 1;
		layoutData.verticalSpan = 1;
		layoutData.grabExcessHorizontalSpace = false;
		layoutData.grabExcessVerticalSpace = false;
		progressBar.setLayoutData(layoutData);
		progressBar.setMinimum(0);
		
		return client;
	}
	
	public void setText(String text) {
		label.setText(text);
	}
	
	public void setProgress(int progress, int progressMax) {
		if (progress < 0) {
			progressBar.setVisible(false);
		} else {
			progressBar.setVisible(true);
			progressBar.setMaximum(progressMax);
			progressBar.setSelection(progress);
		}
	}
}