core/plugins/org.eclipse.dltk.testing/src/org/eclipse/dltk/internal/testing/ui/CounterPanel.java

/*******************************************************************************
 * Copyright (c) 2000, 2017 IBM Corporation and others.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 * 
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.dltk.internal.testing.ui;

import org.eclipse.dltk.internal.testing.Messages;
import org.eclipse.dltk.testing.DLTKTestingMessages;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
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.Text;

/**
 * A panel with counters for the number of Runs, Errors and Failures.
 */
public class CounterPanel extends Composite {
	protected Text fNumberOfErrors;
	protected Text fNumberOfFailures;
	protected Text fNumberOfRuns;
	protected int fTotal;
	protected int fIgnoredCount;

	private final Image fErrorIcon = TestRunnerViewPart
			.createImage("ovr16/error_ovr.gif"); //$NON-NLS-1$
	private final Image fFailureIcon = TestRunnerViewPart
			.createImage("ovr16/failed_ovr.gif"); //$NON-NLS-1$

	public CounterPanel(Composite parent) {
		super(parent, SWT.WRAP);
		GridLayout gridLayout = new GridLayout();
		gridLayout.numColumns = 9;
		gridLayout.makeColumnsEqualWidth = false;
		gridLayout.marginWidth = 0;
		setLayout(gridLayout);

		fNumberOfRuns = createLabel(DLTKTestingMessages.CounterPanel_label_runs,
				null, " 0/0  "); //$NON-NLS-1$
		fNumberOfErrors = createLabel(
				DLTKTestingMessages.CounterPanel_label_errors, fErrorIcon,
				" 0 "); //$NON-NLS-1$
		fNumberOfFailures = createLabel(
				DLTKTestingMessages.CounterPanel_label_failures, fFailureIcon,
				" 0 "); //$NON-NLS-1$

		addDisposeListener(e -> disposeIcons());
	}

	private void disposeIcons() {
		fErrorIcon.dispose();
		fFailureIcon.dispose();
	}

	private Text createLabel(String name, Image image, String init) {
		Label label = new Label(this, SWT.NONE);
		if (image != null) {
			image.setBackground(label.getBackground());
			label.setImage(image);
		}
		label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));

		label = new Label(this, SWT.NONE);
		label.setText(name);
		label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
		// label.setFont(JFaceResources.getBannerFont());

		Text value = new Text(this, SWT.READ_ONLY);
		value.setText(init);
		// bug: 39661 Junit test counters do not repaint correctly [JUnit]
		value.setBackground(
				getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
		value.setLayoutData(new GridData(GridData.FILL_HORIZONTAL
				| GridData.HORIZONTAL_ALIGN_BEGINNING));
		return value;
	}

	public void reset() {
		setErrorValue(0);
		setFailureValue(0);
		setRunValue(0, 0);
		fTotal = 0;
	}

	public void setTotal(int value) {
		fTotal = value;
	}

	public int getTotal() {
		return fTotal;
	}

	public void setRunValue(int value, int ignoredCount) {
		String runString;
		if (ignoredCount == 0)
			runString = Messages.format(
					DLTKTestingMessages.CounterPanel_runcount,
					new String[] { Integer.toString(value),
							Integer.toString(fTotal) });
		else
			runString = Messages.format(
					DLTKTestingMessages.CounterPanel_runcount_ignored,
					new String[] { Integer.toString(value),
							Integer.toString(fTotal),
							Integer.toString(ignoredCount) });
		fNumberOfRuns.setText(runString);

		if (fIgnoredCount == 0 && ignoredCount > 0
				|| fIgnoredCount != 0 && ignoredCount == 0) {
			layout();
		} else {
			fNumberOfRuns.redraw();
			redraw();
		}
		fIgnoredCount = ignoredCount;
	}

	public void setErrorValue(int value) {
		fNumberOfErrors.setText(Integer.toString(value));
		redraw();
	}

	public void setFailureValue(int value) {
		fNumberOfFailures.setText(Integer.toString(value));
		redraw();
	}
}