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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.skynet.widgets.xHistory;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.nebula.widgets.xviewer.XViewerCells;
import org.eclipse.nebula.widgets.xviewer.XViewerLabelProvider;
import org.eclipse.nebula.widgets.xviewer.core.model.XViewerColumn;
import org.eclipse.osee.framework.skynet.core.change.ArtifactChange;
import org.eclipse.osee.framework.skynet.core.change.Change;
import org.eclipse.osee.framework.skynet.core.change.RelationChange;
import org.eclipse.osee.framework.ui.skynet.ArtifactImageManager;
import org.eclipse.osee.framework.ui.skynet.FrameworkImage;
import org.eclipse.osee.framework.ui.skynet.widgets.xHistory.column.HistoryTransactionDateColumn;
import org.eclipse.osee.framework.ui.skynet.widgets.xHistory.column.HistoryTransactionIdColumn;
import org.eclipse.osee.framework.ui.swt.Displays;
import org.eclipse.osee.framework.ui.swt.ImageManager;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
/**
* @author Jeff C. Phillips
*/
public class XHistoryLabelProvider extends XViewerLabelProvider {
private final HistoryXViewer historyXViewer;
private static Color lightGreyColor;
private final Map<XViewerColumn, Long> colToTime = new HashMap<XViewerColumn, Long>();
private final Map<Object, Image> objectToImage = new HashMap<Object, Image>(500);
private static Image transactionImage = null;
public XHistoryLabelProvider(HistoryXViewer historyXViewer) {
super(historyXViewer);
this.historyXViewer = historyXViewer;
}
@Override
public String getColumnText(Object element, XViewerColumn cCol, int columnIndex) {
String toReturn = "";
try {
if (element instanceof Change) {
Change data = (Change) element;
if (cCol.equals(HistoryXViewerFactory.gamma)) {
toReturn = String.valueOf(data.getGamma());
} else if (cCol.equals(HistoryXViewerFactory.itemType)) {
if (data instanceof ArtifactChange && data.getChangeArtifact() == null) {
toReturn = "Artifact Does Exist In This Transaction";
} else {
toReturn = data instanceof RelationChange ? data.getName() : data.getItemTypeName();
}
} else if (cCol.equals(HistoryXViewerFactory.itemChange)) {
toReturn = data.getItemKind();
} else if (cCol.equals(HistoryXViewerFactory.modType)) {
toReturn = data.getModificationType().getDisplayName();
} else if (cCol.equals(HistoryXViewerFactory.itemId)) {
toReturn = String.valueOf(data.getItemId());
} else if (cCol.equals(HistoryXViewerFactory.was)) {
toReturn = data.getWasValue();
} else if (cCol.equals(HistoryXViewerFactory.is)) {
toReturn = data.getIsValue();
} else {
toReturn = "unhandled column";
}
}
} catch (Exception ex) {
toReturn = XViewerCells.getCellExceptionString(ex);
}
return toReturn;
}
/**
* Provides the XViewerSorter the actual Date object to sort instead of having to convert the text back to Date (and
* loose the precision)
*/
@Override
public Object getBackingData(Object element, XViewerColumn xCol, int columnIndex) throws Exception {
if (!(element instanceof Change)) {
return "";
}
Change data = (Change) element;
if (xCol.getId().equals(HistoryTransactionDateColumn.ID)) {
HistoryTransactionDateColumn column =
((HistoryXViewerFactory) ((HistoryXViewer) xCol.getXViewer()).getXViewerFactory()).getHistoryTransactionDateColumn();
Date date = column.getTransactionDate(data.getTxDelta().getEndTx().getId());
if (date == null) {
column.populateCachedValues(Collections.singleton(element), column.getPreComputedValueMap());
date = column.getTransactionDate(data.getTxDelta().getEndTx().getId());
}
return date;
}
return super.getBackingData(element, xCol, columnIndex);
}
@Override
public void dispose() {
// do nothing
}
@Override
public boolean isLabelProperty(Object element, String property) {
return false;
}
@Override
public void addListener(ILabelProviderListener listener) {
// do nothing
}
@Override
public void removeListener(ILabelProviderListener listener) {
// do nothing
}
public HistoryXViewer getTreeViewer() {
return historyXViewer;
}
@Override
public Image getColumnImage(Object element, XViewerColumn xCol, int columnIndex) {
Image result = null;
try {
if (element instanceof Change) {
if (xCol.getId().equals(HistoryTransactionIdColumn.ID)) {
if (transactionImage == null) {
transactionImage = ImageManager.getImage(FrameworkImage.DB_ICON_BLUE);
}
result = transactionImage;
} else if (xCol.equals(HistoryXViewerFactory.itemType)) {
result = objectToImage.get(element);
objectToImage.put(element, result);
}
}
} catch (Exception ex) {
// do nothing
}
return result;
}
@Override
public Color getBackground(Object element, int columnIndex) {
if (historyXViewer.isSortByTransaction()) {
Change change = (Change) element;
long transactionId = change.getTxDelta().getEndTx().getId();
if (historyXViewer.getXHistoryViewer().isShaded(transactionId)) {
return getLightGreyColor();
}
}
return super.getBackground(element, columnIndex);
}
private Color getLightGreyColor() {
if (lightGreyColor == null) {
lightGreyColor = Displays.getColor(234, 234, 234);
}
return lightGreyColor;
}
public void calculateImages(Collection<Change> changes) {
for (Change change : changes) {
Image result = ArtifactImageManager.getChangeTypeImage(change);
objectToImage.put(change, result);
}
}
}
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