/*******************************************************************************
* Copyright (c) 2007 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.ui.internal.provisional.views.markers;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.resources.IMarker;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.ui.internal.provisional.views.markers.api.MarkerField;
import org.eclipse.ui.part.MarkerTransfer;
/**
* MarkerCopyHandler is the handler for the copy action when the markers view is
* selected.
*
* @since 3.4
*
*/
public class MarkerCopyHandler extends MarkerViewHandler {
/*
* (non-Javadoc)
*
* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*/
public Object execute(ExecutionEvent event) {
ExtendedMarkersView view = getView(event);
if (view == null)
return null;
setClipboard(view);
return this;
}
/**
* Set the workbench clipboard for the markers.
*
* @param markers
* @param markerReport
*/
private void setClipboard(ExtendedMarkersView view) {
IMarker[] markers = view.getSelectedMarkers();
String markerReport = createMarkerReport(view, markers);
// Place the markers on the clipboard
Object[] data;
Transfer[] transferTypes;
if (markerReport == null) {
data = new Object[] { markers };
transferTypes = new Transfer[] { MarkerTransfer.getInstance() };
} else {
data = new Object[] { markers, markerReport };
transferTypes = new Transfer[] { MarkerTransfer.getInstance(),
TextTransfer.getInstance() };
}
view.getClipboard().setContents(data, transferTypes);
}
/**
* Creates a plain-text report of the selected markers based on predefined
* properties.
*
* @param view the view being copied
* @param markers
* @return the marker report
*/
String createMarkerReport(ExtendedMarkersView view, IMarker[] markers) {
StringBuffer report = new StringBuffer();
MarkerField[] fields = view.getVisibleFields();
// create header
for (int i = 0; i < fields.length; i++) {
report.append(fields[i].getColumnHeaderText());
if (i == fields.length - 1) {
report.append(Character.LINE_SEPARATOR);
} else {
report.append('\t');
}
}
for (int i = 0; i < markers.length; i++) {
for (int j = 0; j < fields.length; j++) {
report.append(fields[j].getMarkerValue(markers[i]));
if (j == fields.length - 1) {
report.append(Character.LINE_SEPARATOR);
} else {
report.append('\t');
}
}
}
return report.toString();
}
}
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