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/*******************************************************************************
* Copyright (c) 2005, 2017 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 implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.views.variables;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILogicalStructureType;
import org.eclipse.debug.core.model.IValue;
import org.eclipse.debug.core.model.IVariable;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.dialogs.PreferencesUtil;
/**
* Action which prompts the user to edit the logical structure that
* is currently active on the given object.
*/
public class EditVariableLogicalStructureAction extends Action {
/**
* The editable structure for the currently selected variable or
* <code>null</code> if none.
*/
private ILogicalStructureType fStructure = null;
private VariablesView fView = null;
public EditVariableLogicalStructureAction(VariablesView view) {
super();
fView = view;
ISelection selection = view.getViewer().getSelection();
if (selection != null) {
init(selection);
}
}
/*
* (non-Javadoc)
* @see
* org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.
* action.IAction, org.eclipse.ui.IWorkbenchPart)
*/
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
}
/**
* Prompt the user to edit the logical structure associated with the currently
* selected variable.
*/
@Override
public void run() {
PreferencesUtil.createPreferenceDialogOn(DebugUIPlugin.getShell(), "org.eclipse.jdt.debug.ui.JavaLogicalStructuresPreferencePage", //$NON-NLS-1$
new String[] { "org.eclipse.jdt.debug.ui.JavaDetailFormattersPreferencePage", //$NON-NLS-1$
"org.eclipse.jdt.debug.ui.JavaLogicalStructuresPreferencePage", //$NON-NLS-1$
"org.eclipse.jdt.debug.ui.heapWalking", //$NON-NLS-1$
"org.eclipse.jdt.debug.ui.JavaPrimitivesPreferencePage" }, (fStructure != null) //$NON-NLS-1$
? fStructure.getId() + fStructure.getDescription() + fStructure.hashCode()
: null).open();
}
private void init(ISelection selection) {
fStructure= null;
Object element = ((IStructuredSelection) selection).getFirstElement();
if (element instanceof IVariable) {
try {
IValue value= ((IVariable) element).getValue();
ILogicalStructureType type= getLogicalStructure(value);
fStructure = type;
} catch (DebugException e) {
DebugUIPlugin.log(e.getStatus());
}
}
setEnabled(fView.isShowLogicalStructure());
}
/**
* Returns the logical structure currently associated with the given
* value or <code>null</code> if none.
* @param value the value
* @return the logical structure currently associated with the given
* value or <code>null</code> if none.
*/
private ILogicalStructureType getLogicalStructure(IValue value) {
// This code is based on VariablesViewContentProvider#getLogicalValue(IValue)
ILogicalStructureType type = null;
ILogicalStructureType[] types = DebugPlugin.getLogicalStructureTypes(value);
if (types.length > 0) {
type= DebugPlugin.getDefaultStructureType(types);
}
return type;
}
}
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