org.drools.guvnor.client.packages.DependencyWidget.java Source code

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Here is the source code for org.drools.guvnor.client.packages.DependencyWidget.java

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/*
 * Copyright 2050 JBoss Inc
 *
 * 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.drools.guvnor.client.packages;

import org.drools.guvnor.client.common.FormStyleLayout;
import org.drools.guvnor.client.common.FormStylePopup;
import org.drools.guvnor.client.common.GenericCallback;
import org.drools.guvnor.client.common.InfoPopup;
import org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.resources.Images;
import org.drools.guvnor.client.rpc.PackageConfigData;
import org.drools.guvnor.client.rpc.RepositoryServiceFactory;
import org.drools.guvnor.client.ruleeditor.MultiViewRow;
import org.drools.guvnor.client.ruleeditor.VersionChooser;
import org.drools.guvnor.client.rulelist.OpenItemCommand;
import org.drools.guvnor.client.widgets.tables.DependenciesPagedTable;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style.FontWeight;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * This is the widget for building dependencies. 
 */
public class DependencyWidget extends Composite {

    private static Images images = (Images) GWT.create(Images.class);
    private Constants constants = ((Constants) GWT.create(Constants.class));

    private FormStyleLayout layout;
    private DependenciesPagedTable table;

    private PackageConfigData conf;
    private boolean isHistoricalReadOnly = false;

    public DependencyWidget(final PackageConfigData conf, boolean isHistoricalReadOnly) {
        this.conf = conf;
        this.isHistoricalReadOnly = isHistoricalReadOnly;
        layout = new FormStyleLayout();

        VerticalPanel header = new VerticalPanel();
        Label caption = new Label("Dependencies");
        caption.getElement().getStyle().setFontWeight(FontWeight.BOLD);
        header.add(caption);
        header.add(dependencyTip());

        layout.addAttribute("", header);

        /*        layout.addHeader( images.statusLarge(),
                          header );*/

        VerticalPanel vp = new VerticalPanel();
        vp.setHeight("100%");
        vp.setWidth("100%");

        //pf.startSection();
        layout.addRow(vp);

        table = new DependenciesPagedTable(conf.getUuid(), new OpenItemCommand() {
            public void open(String path) {
                showEditor(path);
            }

            public void open(MultiViewRow[] rows) {
                // Do nothing, unsupported
            }
        });

        layout.addRow(table);

        initWidget(layout);
    }

    private Widget dependencyTip() {
        HorizontalPanel hp = new HorizontalPanel();
        hp.add(new HTML(
                "<small><i>" + "This shows exact versions of assets that this package contains." + "</i></small>"));
        InfoPopup pop = new InfoPopup("Edit Dependency",
                "Edit dependency version to build a package against specific versions of assets");
        hp.add(pop);
        return hp;
    }

    public static String[] decodeDependencyPath(String dependencyPath) {
        if (dependencyPath.indexOf("?version=") >= 0) {
            return dependencyPath.split("\\?version=");
        } else {
            return new String[] { dependencyPath, "LATEST" };
        }
    }

    public static String encodeDependencyPath(String dependencyPath, String dependencyVersion) {
        return dependencyPath + "?version=" + dependencyVersion;
    }

    private void showEditor(final String dependencyPath) {
        final FormStylePopup editor = new FormStylePopup(images.management(), "Edit Dependency");
        /*      editor.addRow(new HTML("<i>" + "Choose the version you want to depend on"
                + "</i>"));
        */
        editor.addAttribute("Dependency Path: ", new Label(decodeDependencyPath(dependencyPath)[0]));
        final VersionChooser versionChoose = new VersionChooser(decodeDependencyPath(dependencyPath)[1],
                conf.getUuid(), decodeDependencyPath(dependencyPath)[0], new Command() {
                    public void execute() {
                        table.refresh();
                    }
                });
        editor.addAttribute("Dependency Version: ", versionChoose);

        HorizontalPanel hp = new HorizontalPanel();
        Button useSelectedVersionButton = new Button("Use selected version");
        hp.add(useSelectedVersionButton);
        useSelectedVersionButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent w) {
                String selectedVersion = versionChoose.getSelectedVersionName();
                if (selectedVersion == null) {
                    return;
                }
                if (Window
                        .confirm("Are you sure you want to use version: " + selectedVersion + " as dependency?")) {
                    RepositoryServiceFactory.getPackageService().updateDependency(conf.getUuid(),
                            encodeDependencyPath(DependencyWidget.decodeDependencyPath(dependencyPath)[0],
                                    selectedVersion),
                            new GenericCallback<Void>() {
                                public void onSuccess(Void v) {
                                    editor.hide();
                                    table.refresh();
                                }
                            });
                }
            }
        });
        useSelectedVersionButton.setEnabled(!isHistoricalReadOnly);

        Button cancel = new Button(constants.Cancel());
        hp.add(cancel);
        cancel.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent w) {
                editor.hide();
            }
        });

        editor.addAttribute("", hp);
        editor.show();
    }
}