com.svcdelivery.liquibase.eclipse.internal.ui.UpdateCommandHandler.java Source code

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Here is the source code for com.svcdelivery.liquibase.eclipse.internal.ui.UpdateCommandHandler.java

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/**
 * Copyright 2012 Nick Wilson
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.svcdelivery.liquibase.eclipse.internal.ui;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.IHandlerListener;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.handlers.HandlerUtil;

/**
 * @author nick
 */
public class UpdateCommandHandler implements IHandler {

    @Override
    public void addHandlerListener(final IHandlerListener handlerListener) {
    }

    @Override
    public void dispose() {
    }

    @Override
    public final Object execute(final ExecutionEvent event) throws ExecutionException {
        final ISelection selection = HandlerUtil.getCurrentSelection(event);
        final List<IFile> files = new ArrayList<IFile>();
        if (selection instanceof StructuredSelection) {
            final StructuredSelection structured = (StructuredSelection) selection;
            for (final Object next : structured.toList()) {
                if (next instanceof IFile) {
                    files.add((IFile) next);
                }
            }
        }
        final IWizard targetWizard = new UpdateScriptsWizard(files);
        final Shell shell = HandlerUtil.getActiveShell(event);
        final WizardDialog dialog = new WizardDialog(shell, targetWizard);
        dialog.setPageSize(400, 400);
        dialog.open();
        return null;
    }

    @Override
    public final boolean isEnabled() {
        return true;
    }

    @Override
    public final boolean isHandled() {
        return true;
    }

    @Override
    public void removeHandlerListener(final IHandlerListener handlerListener) {
    }

}