org.jboss.tools.windup.ui.internal.editor.launch.InputPackagesSection.java Source code

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Here is the source code for org.jboss.tools.windup.ui.internal.editor.launch.InputPackagesSection.java

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/*******************************************************************************
 * Copyright (c) 2016 Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is 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:
 *   Red Hat, Inc. - initial API and implementation
 ******************************************************************************/
package org.jboss.tools.windup.ui.internal.editor.launch;

import static org.jboss.tools.windup.model.domain.ConfigurationResourceUtil.computePackages;
import static org.jboss.tools.windup.model.domain.ConfigurationResourceUtil.getCurrentPackages;
import static org.jboss.tools.windup.model.domain.WindupConstants.INPUT_CHANGED;
import static org.jboss.tools.windup.ui.internal.Messages.inputPackages;
import static org.jboss.tools.windup.ui.internal.Messages.inputPackagesDescription;

import java.util.Arrays;
import java.util.List;

import javax.inject.Inject;

import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.ui.di.UIEventTopic;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.jboss.tools.windup.ui.internal.Messages;
import org.jboss.tools.windup.ui.internal.editor.AbstractSection;

import com.google.common.collect.Lists;

/**
 * Section for configuring Windup's packages input option.
 */
public class InputPackagesSection extends AbstractSection {

    private TableViewer table;

    @Override
    protected void fillSection(Composite parent) {
        section.setDescription(inputPackagesDescription);
        createTable(parent);
        createButtonBar(parent);
    }

    private void createTable(Composite parent) {
        table = new TableViewer(parent, SWT.BORDER | SWT.MULTI);
        GridDataFactory.fillDefaults().grab(true, true).applyTo(table.getTable());
        table.setLabelProvider(new WorkbenchLabelProvider());
        table.setContentProvider(new ResourceContentProvider());
        reloadTable();
    }

    private void reloadTable() {
        IPackageFragment[] packages = getCurrentPackages(configuration);
        table.setInput(packages);
        String label = packages.length > 0 ? inputPackages + " (" + packages.length + ")" : inputPackages;
        section.setText(label);
    }

    private void createButtonBar(Composite parent) {
        Composite container = toolkit.createComposite(parent);
        GridLayoutFactory.fillDefaults().applyTo(container);
        GridDataFactory.fillDefaults().grab(false, true).applyTo(container);

        Button addButton = toolkit.createButton(container, Messages.windupAdd, SWT.PUSH);
        GridDataFactory.fillDefaults().grab(true, false).applyTo(addButton);
        addButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                FilteredListDialog dialog = new FilteredListDialog(parent.getShell(), new WorkbenchLabelProvider());
                dialog.setMultipleSelection(true);
                dialog.setMessage(Messages.windupPackagesSelect);
                dialog.setElements(computePackages(configuration));
                dialog.setTitle(Messages.windupPackages);
                dialog.setHelpAvailable(false);
                dialog.create();
                if (dialog.open() == Window.OK) {
                    Object[] selected = (Object[]) dialog.getResult();
                    if (selected.length > 0) {
                        List<IPackageFragment> packages = Lists.newArrayList();
                        Arrays.stream(selected).forEach(p -> packages.add((IPackageFragment) p));
                        modelService.addPackages(configuration, packages);
                        reloadTable();
                    }
                }
            }
        });

        Button removeButton = toolkit.createButton(container, Messages.windupRemove, SWT.PUSH);
        GridDataFactory.fillDefaults().grab(true, false).applyTo(removeButton);
        removeButton.addSelectionListener(new SelectionAdapter() {
            @SuppressWarnings("unchecked")
            @Override
            public void widgetSelected(SelectionEvent e) {
                ISelection selection = table.getSelection();
                if (!selection.isEmpty()) {
                    StructuredSelection ss = (StructuredSelection) selection;
                    modelService.removePackages(configuration, (List<IPackageFragment>) ss.toList());
                    reloadTable();
                }
            }
        });
    }

    @Inject
    @Optional
    private void updateDetails(@UIEventTopic(INPUT_CHANGED) Boolean changed) {
        reloadTable();
    }

    public void focus() {
        modelService.synch(configuration);
        reloadTable();
    }
}