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/*******************************************************************************
* Copyright (c) 2012, 2014 Tilera 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:
* William R. Swanson (Tilera Corporation)
* Xavier Raynaud <xavier.raynaud@kalray.eu> - fix #428424
*******************************************************************************/
package org.eclipse.cdt.visualizer.examples.sourcegraph;
import org.eclipse.cdt.visualizer.examples.VisualizerExamplesPlugin;
import org.eclipse.cdt.visualizer.ui.Visualizer;
import org.eclipse.cdt.visualizer.ui.util.Colors;
import org.eclipse.cdt.visualizer.ui.util.ScrollPanel;
import org.eclipse.cdt.visualizer.ui.util.SelectionManager;
import org.eclipse.cdt.visualizer.ui.util.SelectionUtils;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.text.TextSelection;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
//---------------------------------------------------------------------------
// SourceGraphVisualizer
//---------------------------------------------------------------------------
public class SourceGraphVisualizer extends Visualizer
{
// --- constants ---
/** Eclipse ID for this view */
public static final String ECLIPSE_ID = "org.eclipse.cdt.visualizer.examples.sourcegraph"; //$NON-NLS-1$
// --- members ---
/** ScrollPanel container for visualizer control. */
ScrollPanel m_scrollPanel = null;
/** visualizer control (downcast reference) */
SourceGraphControl m_sourceGraphControl = null;
// --- constructors/destructors ---
/** Constructor. */
public SourceGraphVisualizer()
{
super(VisualizerExamplesPlugin.getString("SourceGraphVisualizer.name"), //$NON-NLS-1$
VisualizerExamplesPlugin.getString("SourceGraphVisualizer.displayName"), //$NON-NLS-1$
VisualizerExamplesPlugin.getString("SourceGraphVisualizer.description") //$NON-NLS-1$
);
}
/** Dispose method. */
@Override
public void dispose() {
super.dispose();
}
// --- control management ---
/** Creates and returns visualizer control on specified parent. */
@Override
public Control createControl(Composite parent)
{
if (m_sourceGraphControl == null) {
m_scrollPanel = new ScrollPanel(parent);
m_scrollPanel.setBackground(Colors.BLACK);
m_sourceGraphControl = new SourceGraphControl(m_scrollPanel);
m_scrollPanel.setContent(m_sourceGraphControl);
// source graph control sets its own height based on the graph size
m_scrollPanel.setAutoResizeHeight(false);
// auto-resize to fit scrollpanel width
m_scrollPanel.setAutoResizeWidth(true);
setControl(m_scrollPanel);
}
return getControl();
}
/** Invoked when visualizer control should be disposed. */
@Override
public void disposeControl()
{
if (m_sourceGraphControl != null) {
setControl(null);
m_sourceGraphControl.dispose();
m_scrollPanel.dispose();
m_sourceGraphControl = null;
m_scrollPanel = null;
}
}
// --- visualizer events ---
@Override
public void visualizerDeselected() {
}
@Override
public void visualizerSelected() {
}
// --- update methods ---
/**
* Refresh the visualizer display based on the existing data.
*/
public void refresh() {
m_sourceGraphControl.refresh();
}
// --- selection handling ---
/** Invoked when selection changes, to determine whether this
* visualizer knows how to display the current selection.
*/
@Override
public int handlesSelection(ISelection selection) {
Object s = SelectionUtils.getSelectedObject(selection);
if (s instanceof TextSelection) return 1;
return 0;
}
/** Invoked when workbench selection changes and this visualizer
* is selected to display it.
*/
@Override
public void workbenchSelectionChanged(ISelection selection) {
Object o = SelectionUtils.getSelectedObject(selection);
if (o instanceof TextSelection) {
String text = ((TextSelection) o).getText();
m_sourceGraphControl.setSourceText(text);
} else {
m_sourceGraphControl.setSourceText(""); //$NON-NLS-1$
}
}
public SelectionManager getSelectionManager() {
return m_selectionManager;
}
// --- menu/toolbar management ---
/** Invoked when visualizer is selected, to populate the toolbar. */
@Override
public void populateToolBar(IToolBarManager toolBarManager)
{}
/** Invoked when visualizer is selected, to populate the toolbar's menu. */
@Override
public void populateMenu(IMenuManager menuManager)
{}
// --- context menu handling ---
/** Invoked when visualizer view's context menu is invoked, to populate it. */
@Override
public void populateContextMenu(IMenuManager menuManager)
{}
}
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