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/*******************************************************************************
* Copyright (c) 2007, 2018 THALES GLOBAL SERVICES.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.common.ui.tools.api.profiler.view;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.sirius.common.tools.api.profiler.TimeProfiler2.CompositeTask;
import org.eclipse.sirius.common.tools.api.util.StringUtil;
import org.eclipse.sirius.common.ui.tools.api.util.ImageProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
/**
* Label provider for the {@link org.eclipse.sirius.common.tools.api.profiler.TimeProfiler2}.
*
* @author ymortier
*/
public class TimeProfiler2ViewLabelProvider extends LabelProvider implements ITableLabelProvider, IFontProvider {
/** The index of the category column. */
public static final int CATEGORY_COL = 0;
/** The index of the task name column. */
public static final int TASK_NAME_COL = 1;
/** The index of the time column. */
public static final int TIME_COL_MS = 2;
/** The index of the occurences column. */
public static final int OCCURENCES_COL = 3;
/** The index of the minimum time. */
private static final int MINIMUM = 4;
/** The index of the maximum time. */
private static final int MAXIMUM = 5;
/** The index of the average time. */
private static final int AVERAGE = 6;
private Map<Boolean, Font> fontCache = new HashMap<>();
@Override
public Image getColumnImage(final Object element, final int columnIndex) {
Image image = null;
if (element instanceof CompositeTask) {
final CompositeTask item = (CompositeTask) element;
switch (columnIndex) {
case CATEGORY_COL:
if (item.getProfilerTask().getCategoryImage() != null) {
image = ImageProvider.getImageFromPath(item.getProfilerTask().getCategoryImage());
}
break;
case TASK_NAME_COL:
if (item.getProfilerTask().getTaskImage() != null) {
image = ImageProvider.getImageFromPath(item.getProfilerTask().getTaskImage());
}
break;
case TIME_COL_MS:
break;
case OCCURENCES_COL:
break;
default:
break;
}
}
return image;
}
@Override
public String getColumnText(final Object element, final int columnIndex) {
String text = StringUtil.EMPTY_STRING;
if (element instanceof CompositeTask) {
final CompositeTask item = (CompositeTask) element;
switch (columnIndex) {
case CATEGORY_COL:
text = item.getProfilerTask().getCategory();
break;
case TASK_NAME_COL:
text = item.getProfilerTask().getName();
break;
case TIME_COL_MS:
text = Long.valueOf(item.getEllapsedTime()).toString();
break;
case OCCURENCES_COL:
text = Integer.valueOf(item.getOccurences()).toString();
break;
case MINIMUM:
text = Long.valueOf(item.getMin()).toString();
break;
case MAXIMUM:
text = Long.valueOf(item.getMax()).toString();
break;
case AVERAGE:
text = Long.valueOf((long) ((double) item.getEllapsedTime() / (double) item.getOccurences())).toString();
break;
default:
break;
}
}
return text;
}
@Override
public Font getFont(final Object element) {
if (element instanceof CompositeTask) {
final CompositeTask task = (CompositeTask) element;
return getFontFromValue(task.getParent() == null);
}
return null;
}
/**
* This method helps avoiding memory leaks by keeping track of the already built fonts.
*
* @param bold
* : bold of the font
* @return the default font with the given bold value.
*/
private Font getFontFromValue(final boolean bold) {
if (!fontCache.containsKey(Boolean.valueOf(bold))) {
fontCache.put(Boolean.valueOf(bold), new Font(Display.getDefault(), "ARIAL", 12, !bold ? SWT.NORMAL : SWT.BOLD)); //$NON-NLS-1$
}
return fontCache.get(Boolean.valueOf(bold));
}
}
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