org.amanzi.awe.nem.ui.contributions.AbstractNetworkMenuContribution.java Source code

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Here is the source code for org.amanzi.awe.nem.ui.contributions.AbstractNetworkMenuContribution.java

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/* AWE - Amanzi Wireless Explorer
 * http://awe.amanzi.org
 * (C) 2008-2009, AmanziTel AB
 *
 * This library is provided under the terms of the Eclipse Public License
 * as described at http://www.eclipse.org/legal/epl-v10.html. Any use,
 * reproduction or distribution of the library constitutes recipient's
 * acceptance of this agreement.
 *
 * This library is distributed WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */

package org.amanzi.awe.nem.ui.contributions;

import org.amanzi.awe.nem.ui.utils.MenuUtils;
import org.amanzi.awe.ui.dto.IUIItem;
import org.amanzi.neo.dto.IDataElement;
import org.amanzi.neo.models.network.INetworkModel;
import org.amanzi.neo.nodetypes.INodeType;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.eclipse.jface.action.ContributionItem;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;

/**
 * TODO Purpose of
 * <p>
 * </p>
 * 
 * @author Vladislav_Kondratenko
 * @since 1.0.0
 */
public abstract class AbstractNetworkMenuContribution extends ContributionItem {

    private static final Logger LOGGER = Logger.getLogger(AbstractNetworkMenuContribution.class);

    /**
     * @param activeWorkbenchWindow
     * @param wizard
     * @return
     */
    protected Dialog createDialog(final IWorkbenchWindow activeWorkbenchWindow, final IWizard wizard) {
        return new WizardDialog(activeWorkbenchWindow.getShell(), wizard);
    }

    /**
     * @return
     */
    protected IUIItem getSelectedItem() {
        if (LOGGER.isDebugEnabled()) {
            log("geting selected tree item", Level.INFO);
        }

        final IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

        if (window == null) {
            log("Active window is null", Level.WARN);
            return null;
        }
        final IStructuredSelection selection = (IStructuredSelection) window.getSelectionService().getSelection();
        if (selection == null) {
            log("No selection data", Level.ERROR);
            return null;
        }
        final Object firstElement = selection.getFirstElement();
        IUIItem item = null;
        if (firstElement instanceof IUIItem) {
            item = (IUIItem) firstElement;
            item = MenuUtils.getModelFromItem(item) == null ? null : item;
        }
        if (LOGGER.isDebugEnabled()) {
            log("found ITreeItem " + item, Level.INFO);
        }
        return item;
    }

    /**
     * @param model
     * @param root
     * @param newType
     * @return
     */
    protected abstract IWizard getWizard(INetworkModel model, IDataElement root, INodeType newType);

    protected void log(final String message, final Level status) {
        if (status.equals(Level.WARN)) {
            LOGGER.warn(message);
        } else if (status.equals(Level.INFO)) {
            LOGGER.info(message);
        } else if (status.equals(Level.ERROR)) {
            LOGGER.error(message);
        }
    }

    /**
     * @param model
     * @param newType
     */
    protected void openWizard(final INetworkModel model, final IDataElement root, final INodeType newType) {
        final IWizard wizard = getWizard(model, root, newType);
        final Dialog wizardDialog = createDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow(), wizard);
        wizardDialog.create();
        wizardDialog.open();

    }
}