RepositoriesWidgetViewImpl.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.kie.workbench.common.screens.projecteditor.client.forms.repositories;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Set;

import com.google.gwt.cell.client.FieldUpdater;
import com.google.gwt.core.client.GWT;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.cellview.client.Column;
import com.google.gwt.user.cellview.client.TextColumn;
import com.google.gwt.user.cellview.client.TextHeader;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.view.client.ListDataProvider;
import org.guvnor.common.services.project.client.resources.ProjectResources;
import org.guvnor.common.services.project.model.MavenRepositoryMetadata;
import org.guvnor.common.services.project.model.ProjectRepositories;
import org.gwtbootstrap3.client.ui.gwt.CellTable;
import org.kie.workbench.common.screens.projecteditor.client.resources.ProjectEditorResources;

public class RepositoriesWidgetViewImpl
        extends Composite
        implements RepositoriesWidgetView {

    interface Binder
            extends UiBinder<Widget, RepositoriesWidgetViewImpl> {

    }

    private static Binder uiBinder = GWT.create( Binder.class );

    @UiField(provided = true)
    CellTable<ProjectRepositories.ProjectRepository> table = new CellTable<ProjectRepositories.ProjectRepository>();

    private List<ProjectRepositories.ProjectRepository> repositories = new ArrayList<ProjectRepositories.ProjectRepository>();
    private ListDataProvider<ProjectRepositories.ProjectRepository> dataProvider = new ListDataProvider<ProjectRepositories.ProjectRepository>();

    Column<ProjectRepositories.ProjectRepository, Boolean> repositoryIncludeColumn;
    TextColumn<ProjectRepositories.ProjectRepository> repositoryIdColumn;
    TextColumn<ProjectRepositories.ProjectRepository> repositoryUrlColumn;
    TextColumn<ProjectRepositories.ProjectRepository> repositorySourceColumn;

    public RepositoriesWidgetViewImpl() {
        setup();
        initWidget( uiBinder.createAndBindUi( this ) );
    }

    private void setup() {
        //Setup table
        table.setStriped( true );
        table.setCondensed( true );
        table.setBordered( true );

        //Columns
        final CheckboxCell cbCell = new CheckboxCell();
        repositoryIncludeColumn = new Column<ProjectRepositories.ProjectRepository, Boolean>( cbCell ) {
            @Override
            public Boolean getValue( final ProjectRepositories.ProjectRepository repository ) {
                return repository.isIncluded();
            }
        };

        repositoryIdColumn = new TextColumn<ProjectRepositories.ProjectRepository>() {

            @Override
            public String getValue( final ProjectRepositories.ProjectRepository repository ) {
                return repository.getMetadata().getId();
            }
        };
        repositoryUrlColumn = new TextColumn<ProjectRepositories.ProjectRepository>() {

            @Override
            public String getValue( final ProjectRepositories.ProjectRepository repository ) {
                return repository.getMetadata().getUrl();
            }
        };
        repositorySourceColumn = new TextColumn<ProjectRepositories.ProjectRepository>() {

            @Override
            public String getValue( final ProjectRepositories.ProjectRepository repository ) {
                switch ( repository.getMetadata().getSource() ) {
                    case LOCAL:
                        return ProjectResources.CONSTANTS.RepositorySourceLocal();
                    case PROJECT:
                        return ProjectResources.CONSTANTS.RepositorySourceProject();
                    case SETTINGS:
                        return ProjectResources.CONSTANTS.RepositorySourceSettings();
                    case DISTRIBUTION_MANAGEMENT:
                        return ProjectResources.CONSTANTS.RepositorySourceDistributionManagement();
                }
                return ProjectResources.CONSTANTS.RepositorySourceUnknown();
            }
        };

        table.addColumn( repositoryIncludeColumn,
                         new TextHeader( ProjectEditorResources.CONSTANTS.RepositoryInclude() ) );
        table.addColumn( repositoryIdColumn,
                         new TextHeader( ProjectResources.CONSTANTS.RepositoryId() ) );
        table.addColumn( repositoryUrlColumn,
                         new TextHeader( ProjectResources.CONSTANTS.RepositoryUrl() ) );
        table.addColumn( repositorySourceColumn,
                         new TextHeader( ProjectResources.CONSTANTS.RepositorySource() ) );

        //Link data
        dataProvider.addDataDisplay( table );
        dataProvider.setList( repositories );
    }

    @Override
    public void init( final Presenter presenter ) {
        repositoryIncludeColumn.setFieldUpdater( new FieldUpdater<ProjectRepositories.ProjectRepository, Boolean>() {
            @Override
            public void update( final int index,
                                final ProjectRepositories.ProjectRepository repository,
                                final Boolean value ) {
                presenter.setIncludeRepository( repository,
                                                Boolean.TRUE.equals( value ) );
            }
        } );
    }

    @Override
    public void setContent( final Set<ProjectRepositories.ProjectRepository> repositories,
                            final boolean isReadOnly ) {
        this.repositories = sortRepositories( repositories );
        this.dataProvider.setList( this.repositories );
        ( (CheckboxCell) this.repositoryIncludeColumn.getCell() ).setEnabled( !isReadOnly );
    }

    private List<ProjectRepositories.ProjectRepository> sortRepositories( final Set<ProjectRepositories.ProjectRepository> repositories ) {
        final List<ProjectRepositories.ProjectRepository> sortedRepositories = new ArrayList<ProjectRepositories.ProjectRepository>();
        sortedRepositories.addAll( repositories );
        Collections.sort( sortedRepositories,
                          new Comparator<ProjectRepositories.ProjectRepository>() {
                              @Override
                              public int compare( final ProjectRepositories.ProjectRepository pr1,
                                                  final ProjectRepositories.ProjectRepository pr2 ) {
                                  final MavenRepositoryMetadata md1 = pr1.getMetadata();
                                  final MavenRepositoryMetadata md2 = pr2.getMetadata();
                                  if ( md1.getSource().equals( md2.getSource() ) ) {
                                      return md1.getId().compareToIgnoreCase( md2.getId() );
                                  }
                                  return md1.getSource().ordinal() - md2.getSource().ordinal();
                              }
                          } );
        return sortedRepositories;
    }

}