package org.eclipse.jdt.internal.debug.ui.actions; | |
/* | |
* (c) Copyright IBM Corp. 2000, 2001. | |
* All Rights Reserved. | |
*/ | |
import java.util.Iterator; | |
import org.eclipse.debug.core.DebugException; | |
import org.eclipse.debug.core.DebugPlugin; | |
import org.eclipse.debug.ui.IDebugUIConstants; | |
import org.eclipse.jdt.debug.core.IJavaValue; | |
import org.eclipse.jdt.debug.core.IJavaVariable; | |
import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; | |
import org.eclipse.jdt.internal.debug.ui.display.JavaInspectExpression; | |
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.IViewActionDelegate; | |
import org.eclipse.ui.IViewPart; | |
import org.eclipse.ui.IWorkbenchPage; | |
/** | |
* Adds a variable to the inspector | |
*/ | |
public class InspectVariableAction extends Action implements IViewActionDelegate { | |
private IStructuredSelection fVariables = null; | |
/** | |
* Constructor for InspectVariableAction. | |
*/ | |
public InspectVariableAction() { | |
super(); | |
} | |
/** | |
* @see IActionDelegate#run(IAction) | |
*/ | |
public void run(IAction action) { | |
Iterator variables = getVariables(); | |
while (variables.hasNext()) { | |
IJavaVariable var = (IJavaVariable)variables.next(); | |
try { | |
JavaInspectExpression expr = new JavaInspectExpression(var.getName(), (IJavaValue)var.getValue()); | |
DebugPlugin.getDefault().getExpressionManager().addExpression(expr); | |
} catch (DebugException e) { | |
JDIDebugUIPlugin.errorDialog(ActionMessages.getString("InspectVariableAction.Exception_occurred_inspecting_variable"), e.getStatus()); //$NON-NLS-1$ | |
} | |
} | |
IWorkbenchPage page = JDIDebugUIPlugin.getActivePage(); | |
if (page != null) { | |
IViewPart part = page.findView(IDebugUIConstants.ID_EXPRESSION_VIEW); | |
if (part != null) { | |
page.activate(part); | |
} | |
} | |
} | |
/** | |
* @see IActionDelegate#selectionChanged(IAction, ISelection) | |
*/ | |
public void selectionChanged(IAction action, ISelection selection) { | |
action.setEnabled(isEnabledFor(selection)); | |
} | |
/** | |
* Returns whethter this action is enabled for the given selection. | |
* This action only enables for IJavaVariables | |
* | |
* @return whethter this action is enabled for the given selection | |
*/ | |
protected boolean isEnabledFor(ISelection selection) { | |
if (selection instanceof IStructuredSelection && !selection.isEmpty()) { | |
fVariables = (IStructuredSelection)selection; | |
Iterator elements = fVariables.iterator(); | |
while (elements.hasNext()) { | |
if (!(elements.next() instanceof IJavaVariable)) { | |
return false; | |
} | |
} | |
return true; | |
} | |
return false; | |
} | |
/** | |
* Returns an iterator of IJavaVariables currently selected | |
* | |
* @return an iterator of IJavaVariables currently selected | |
*/ | |
protected Iterator getVariables() { | |
return fVariables.iterator(); | |
} | |
/** | |
* @see IViewActionDelegate#init(IViewPart) | |
*/ | |
public void init(IViewPart view) { | |
} | |
} |