com.nokia.s60ct.gui.actions.DefaultToValue.java Source code

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Here is the source code for com.nokia.s60ct.gui.actions.DefaultToValue.java

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/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
package com.nokia.s60ct.gui.actions;

import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.SetCommand;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;

import com.nokia.s60ct.gui.editors.ConfigurationBrowser;

import configurationemf.ConfigurationemfPackage;
import configurationemf.Frame;
import configurationemf.LeafSettingDelegator;
import configurationemf.ParentSetting;
import configurationemf.TYPE;

public class DefaultToValue implements IViewActionDelegate, IObjectActionDelegate {

    ParentSetting setting = null;
    LeafSettingDelegator lsd = null;

    @Override
    public void selectionChanged(IAction action, ISelection selection) {
        EObject selectedObject = null;
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection structedSelection = (IStructuredSelection) selection;
            if (structedSelection.size() > 0) {
                selectedObject = (EObject) structedSelection.getFirstElement();
            }
        }
        if (selectedObject instanceof ParentSetting) {
            action.setText("Use Default Value");
            setting = (ParentSetting) selectedObject;
            if (setting != null && !setting.isReadOnly() && setting.getType() != TYPE.SEQUENCE)
                action.setEnabled(true);
            else
                action.setEnabled(false);
        } else if (selectedObject instanceof LeafSettingDelegator) {
            action.setText("Use Template Value");
            lsd = (LeafSettingDelegator) selectedObject;
            Frame frame = (Frame) lsd.eContainer();
            if (lsd != null && lsd.canModifyValue() && !lsd.getLeafSetting().isReadOnly() && !frame.isTemplate())
                action.setEnabled(true);
            else
                action.setEnabled(false);
        } else {
            setting = null;
            lsd = null;
            action.setEnabled(false);

        }
    }

    public DefaultToValue() {

    }

    public void run(IAction action) {
        if (setting != null) {
            String defaultValue = setting.getDefaultValue();
            setting.setCurrentValue(defaultValue);
            ConfigurationBrowser activeEditor = (ConfigurationBrowser) PlatformUI.getWorkbench()
                    .getActiveWorkbenchWindow().getActivePage().getActiveEditor();
            EditingDomain domain = activeEditor.getEditingDomain();
            Command command = SetCommand.create(domain, setting,
                    ConfigurationemfPackage.eINSTANCE.getSetting_CurrentValue(), defaultValue);
            if (command != null)
                domain.getCommandStack().execute(command);
        } else if (lsd != null) {
            String templateValue = "";
            ParentSetting parentSetting = (ParentSetting) lsd.getLeafSetting().eContainer();
            for (LeafSettingDelegator templateLSD : parentSetting.getTemplate().getLeafSettings()) {
                if (templateLSD.getLeafSetting().getRef().equals(lsd.getLeafSetting().getRef())) {
                    templateValue = templateLSD.getValue();
                    break;
                }
            }
            ConfigurationBrowser activeEditor = (ConfigurationBrowser) PlatformUI.getWorkbench()
                    .getActiveWorkbenchWindow().getActivePage().getActiveEditor();
            EditingDomain domain = activeEditor.getEditingDomain();
            Command command = SetCommand.create(domain, lsd,
                    ConfigurationemfPackage.eINSTANCE.getSetting_CurrentValue(), templateValue);
            if (command != null)
                domain.getCommandStack().execute(command);
        }
    }

    public void setActivePart(IAction action, IWorkbenchPart targetPart) {
    }

    public void init(IViewPart view) {
    }
}