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/*******************************************************************************
* Copyright (c) 2014 Red Hat, Inc.
* 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 Action implementation
* Red Hat - conversion to Handler implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.systemtap.graphing.ui.handlers;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.linuxtools.dataviewers.charts.actions.SaveChartAction;
import org.eclipse.linuxtools.systemtap.graphing.ui.GraphDisplaySet;
import org.eclipse.linuxtools.systemtap.graphing.ui.charts.AbstractChartBuilder;
import org.eclipse.linuxtools.systemtap.graphing.ui.views.GraphSelectorEditor;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.PlatformUI;
import org.swtchart.Chart;
/**
* This action is designed to allow for saving of the graph in the active window.
* It will let the user select the location to save the image, and then save it as
* a jpg image.
* @author Ryan Morse
* @since 3.0 Migrated from .ui.graphing package.
*/
public class SaveGraphImageHandler extends AbstractHandler {
private SaveChartAction saveChartAction = new SaveChartAction();
/**
* This is the main method of the action. It handles getting the active graph,
* prompting the user for a location to save the image to, and then actually doing
* the save.
*/
@Override
public Object execute(ExecutionEvent event) {
saveChartAction.setChart(getActiveChart());
saveChartAction.run();
return null;
}
private GraphSelectorEditor getActiveGraphEditor() {
IEditorPart editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().
getActivePage().getActiveEditor();
return editor instanceof GraphSelectorEditor ? (GraphSelectorEditor) editor : null;
}
private AbstractChartBuilder getActiveGraph() {
GraphSelectorEditor graphEditor = getActiveGraphEditor();
if (graphEditor == null) {
return null;
}
GraphDisplaySet gds = graphEditor.getActiveDisplaySet();
return gds == null ? null : gds.getActiveGraph();
}
private Chart getActiveChart() {
AbstractChartBuilder abs = getActiveGraph();
return abs == null ? null : abs.getChart();
}
}
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