Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2004 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are 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 * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.testng.eclipse.ui; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ControlAdapter; import org.eclipse.swt.events.ControlEvent; import org.eclipse.swt.events.DisposeEvent; import org.eclipse.swt.events.DisposeListener; import org.eclipse.swt.events.PaintEvent; import org.eclipse.swt.events.PaintListener; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.FontMetrics; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.widgets.Canvas; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; /** * A progress bar with a red/green indication for success or failure. */ public class JUnitProgressBar extends Canvas { private static final int DEFAULT_WIDTH = 160; private static final int DEFAULT_HEIGHT = 16; private int fCurrentTickCount = 0; private int fMaxTickCount = 0; private int fColorBarWidth = 0; private Color fOKColor; private Color fFailureColor; private Color fStoppedColor; private Color m_messageColor; private boolean fError; private boolean fStopped = false; private int m_totalTestsCounter; private int m_testCounter; private int m_totalMethodsCounter; private int m_methodsCounter; private String m_currentMessage = "Tests: 0/0 Methods: 0/0"; private String m_timeMessage = ""; public JUnitProgressBar(Composite parent) { super(parent, SWT.NONE); addControlListener(new ControlAdapter() { public void controlResized(ControlEvent e) { fColorBarWidth = scale(fCurrentTickCount); redraw(); } }); addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { paint(e); } }); addDisposeListener(new DisposeListener() { public void widgetDisposed(DisposeEvent e) { fFailureColor.dispose(); fOKColor.dispose(); fStoppedColor.dispose(); } }); Display display = parent.getDisplay(); fFailureColor = new Color(display, 159, 63, 63); fOKColor = new Color(display, 95, 191, 95); fStoppedColor = new Color(display, 120, 120, 120); m_messageColor = display.getSystemColor(SWT.COLOR_BLACK); } public void setMaximum(int max, int totalMethods) { // ppp("setMaximum:[" + fMaxTickCount + "," + fColorBarWidth + "," + max + "," + totalMethods + "]"); fMaxTickCount = max; fColorBarWidth = scale(fCurrentTickCount); // ppp("setMaximum:rescaled:" + fColorBarWidth); m_totalMethodsCounter = totalMethods; paintStep(1, fColorBarWidth); } public void reset(int testcounter) { fError = false; fStopped = false; fCurrentTickCount = 0; fColorBarWidth = 0; fMaxTickCount = 0; m_totalTestsCounter = testcounter; m_testCounter = 0; m_totalMethodsCounter = 0; m_methodsCounter = 0; m_timeMessage = ""; m_currentMessage = getCurrentMessage(); redraw(); // ppp("reset"); } private String getCurrentMessage() { return "Tests: " + m_testCounter + "/" + m_totalTestsCounter + " Methods: " + m_methodsCounter + "/" + m_totalMethodsCounter + m_timeMessage; } private void paintStep(int startX, int endX) { GC gc = new GC(this); setStatusColor(gc); Rectangle rect = getClientArea(); startX = Math.max(1, startX); gc.fillRectangle(startX, 1, endX - startX, rect.height - 2); String string = getCurrentMessage(); m_currentMessage = string; gc.setFont(JFaceResources.getDefaultFont()); FontMetrics fontMetrics = gc.getFontMetrics(); int stringWidth = fontMetrics.getAverageCharWidth() * string.length(); int stringHeight = fontMetrics.getHeight(); gc.setForeground(m_messageColor); gc.drawString(string, (rect.width - stringWidth) / 2, (rect.height - stringHeight) / 2, true); gc.dispose(); } private void setStatusColor(GC gc) { if (fStopped) { gc.setBackground(fStoppedColor); } else if (fError) { gc.setBackground(fFailureColor); } else { gc.setBackground(fOKColor); } } public void stopped() { fStopped = true; redraw(); } private int scale(int value) { if (fMaxTickCount > 0) { Rectangle r = getClientArea(); // ppp("scale:[" + r + "][" + value + "][" + fMaxTickCount + "]"); if (r.width != 0) { return Math.max(0, value * (r.width - 2) / fMaxTickCount); } } return value; } private void drawBevelRect(GC gc, int x, int y, int w, int h, Color topleft, Color bottomright) { gc.setForeground(topleft); gc.drawLine(x, y, x + w - 1, y); gc.drawLine(x, y, x, y + h - 1); gc.setForeground(bottomright); gc.drawLine(x + w, y, x + w, y + h); gc.drawLine(x, y + h, x + w, y + h); } private void paint(PaintEvent event) { GC gc = event.gc; Display disp = getDisplay(); Rectangle rect = getClientArea(); gc.fillRectangle(rect); drawBevelRect(gc, rect.x, rect.y, rect.width - 1, rect.height - 1, disp.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW), disp.getSystemColor(SWT.COLOR_WIDGET_HIGHLIGHT_SHADOW)); setStatusColor(gc); fColorBarWidth = Math.min(rect.width - 2, fColorBarWidth); gc.fillRectangle(1, 1, fColorBarWidth, rect.height - 2); gc.setFont(JFaceResources.getDefaultFont()); FontMetrics fontMetrics = gc.getFontMetrics(); final String msg = getCurrentMessage(); int stringWidth = fontMetrics.getAverageCharWidth() * msg.length(); int stringHeight = fontMetrics.getHeight(); gc.setForeground(m_messageColor); gc.drawString(msg, (rect.width - stringWidth) / 2, (rect.height - stringHeight) / 2, true); } public Point computeSize(int wHint, int hHint, boolean changed) { checkWidget(); Point size = new Point(DEFAULT_WIDTH, DEFAULT_HEIGHT); if (wHint != SWT.DEFAULT) { size.x = wHint; } if (hHint != SWT.DEFAULT) { size.y = hHint; } return size; } public void step(int failures) { fCurrentTickCount++; m_methodsCounter++; int x = fColorBarWidth; fColorBarWidth = scale(fCurrentTickCount); if (!fError && (failures > 0)) { fError = true; x = 1; } if (fCurrentTickCount == fMaxTickCount) { fColorBarWidth = getClientArea().width - 1; } paintStep(x, fColorBarWidth); } public void stepTests() { m_testCounter++; m_currentMessage = getCurrentMessage(); redraw(); } public void refresh(boolean hasErrors, String msg) { fError = hasErrors; m_timeMessage = msg; redraw(); } private static void ppp(Object msg) { // System.out.println("[JUP]: " + msg); } }