org.eclipse.debug.internal.ui.actions.expressions.RemoveAllExpressionsAction.java Source code

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Here is the source code for org.eclipse.debug.internal.ui.actions.expressions.RemoveAllExpressionsAction.java

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/*******************************************************************************
 *  Copyright (c) 2000, 2009 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.debug.internal.ui.actions.expressions;

import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IExpressionManager;
import org.eclipse.debug.core.IExpressionsListener;
import org.eclipse.debug.core.model.IExpression;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.actions.AbstractRemoveAllActionDelegate;
import org.eclipse.debug.internal.ui.actions.ActionMessages;
import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialogWithToggle;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.ui.IWorkbenchWindow;

/**
 * Removes all expressions from the expressions view.
 */
public class RemoveAllExpressionsAction extends AbstractRemoveAllActionDelegate implements IExpressionsListener {

    /* (non-Javadoc)
     * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
     */
    public void run(IAction action) {
        IWorkbenchWindow window = DebugUIPlugin.getActiveWorkbenchWindow();
        if (window != null) {
            IPreferenceStore store = DebugUIPlugin.getDefault().getPreferenceStore();
            boolean prompt = store.getBoolean(IDebugPreferenceConstants.PREF_PROMPT_REMOVE_ALL_EXPRESSIONS);
            boolean proceed = true;
            if (prompt) {
                MessageDialogWithToggle mdwt = MessageDialogWithToggle.openYesNoQuestion(window.getShell(),
                        ActionMessages.RemoveAllExpressionsAction_0, ActionMessages.RemoveAllExpressionsAction_1,
                        ActionMessages.RemoveAllBreakpointsAction_3, !prompt, null, null);
                if (mdwt.getReturnCode() != IDialogConstants.YES_ID) {
                    proceed = false;
                } else {
                    store.setValue(IDebugPreferenceConstants.PREF_PROMPT_REMOVE_ALL_EXPRESSIONS,
                            !mdwt.getToggleState());
                }
            }
            if (proceed) {
                IExpressionManager manager = DebugPlugin.getDefault().getExpressionManager();
                IExpression[] expressions = manager.getExpressions();
                manager.removeExpressions(expressions);
            }
        }
    }

    /* (non-Javadoc)
     * @see org.eclipse.debug.internal.ui.actions.selection.AbstractRemoveAllActionDelegate#isEnabled()
     */
    protected boolean isEnabled() {
        return DebugPlugin.getDefault().getExpressionManager().hasExpressions();
    }

    /* (non-Javadoc)
     * @see org.eclipse.debug.internal.ui.actions.selection.AbstractRemoveAllActionDelegate#initialize()
     */
    protected void initialize() {
        DebugPlugin.getDefault().getExpressionManager().addExpressionListener(this);
    }

    /* (non-Javadoc)
     * @see org.eclipse.debug.internal.ui.actions.selection.AbstractRemoveAllActionDelegate#dispose()
     */
    public void dispose() {
        DebugPlugin.getDefault().getExpressionManager().removeExpressionListener(this);
        super.dispose();
    }

    /* (non-Javadoc)
     * @see org.eclipse.debug.core.IExpressionsListener#expressionsAdded(org.eclipse.debug.core.model.IExpression[])
     */
    public void expressionsAdded(IExpression[] expressions) {
        update();
    }

    /* (non-Javadoc)
     * @see org.eclipse.debug.core.IExpressionsListener#expressionsRemoved(org.eclipse.debug.core.model.IExpression[])
     */
    public void expressionsRemoved(IExpression[] expressions) {
        update();
    }

    /* (non-Javadoc)
     * @see org.eclipse.debug.core.IExpressionsListener#expressionsChanged(org.eclipse.debug.core.model.IExpression[])
     */
    public void expressionsChanged(IExpression[] expressions) {
    }
}