com.googlesource.gerrit.plugins.zuul.client.LabelPanel.java Source code

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Here is the source code for com.googlesource.gerrit.plugins.zuul.client.LabelPanel.java

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// Copyright (C) 2016 The Android Open Source Project
//
// 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.googlesource.gerrit.plugins.zuul.client;

import com.google.gerrit.client.GerritUiExtensionPoint;
import com.google.gerrit.client.info.ChangeInfo;
import com.google.gerrit.client.info.ChangeInfo.RevisionInfo;
import com.google.gerrit.plugin.client.Plugin;
import com.google.gerrit.plugin.client.extension.Panel;
import com.google.gerrit.plugin.client.rpc.RestApi;
import com.google.gwt.http.client.URL;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Grid;
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.gwtexpui.clippy.client.CopyableLabel;

public class LabelPanel extends VerticalPanel {
    static class Factory implements Panel.EntryPoint {
        @Override
        public void onLoad(Panel panel) {
            panel.setWidget(new LabelPanel(panel));
        }
    }

    private static final String COLOR_RED = "#F00";

    LabelPanel(final Panel panel) {
        final ChangeInfo change = panel.getObject(GerritUiExtensionPoint.Key.CHANGE_INFO).cast();
        final RevisionInfo rev = panel.getObject(GerritUiExtensionPoint.Key.REVISION_INFO).cast();

        if (!rev.isEdit()) {
            String decodedChangeId = URL.decodePathSegment(change.id());
            new RestApi("changes").id(decodedChangeId).view("revisions").id(rev.id())
                    .view(Plugin.get().getPluginName(), "crd").get(new AsyncCallback<DependencyInfo>() {
                        @Override
                        public void onSuccess(DependencyInfo result) {
                            if (result != null) {
                                display(result);
                            }
                        }

                        @Override
                        public void onFailure(Throwable caught) {
                            // never invoked
                        }
                    });
        }
    }

    private void display(DependencyInfo result) {
        int row = 0;
        int column = 1;
        Grid grid = new Grid(row, column);
        // show depends-on ids
        for (int i = 0; i < result.dependsOn().length(); i++) {
            HorizontalPanel p = new HorizontalPanel();
            p.addStyleName("infoBlock");
            Label label = new Label("Depends-on");
            label.setWidth("72px");
            p.add(label);
            CopyableLabel cl = new CopyableLabel(result.dependsOn().get(i));
            if (result.cycle()) {
                cl.getElement().getStyle().setColor(COLOR_RED);
            }
            p.add(cl);
            grid.insertRow(row);
            grid.setWidget(row, 0, p);
            row++;
        }
        // show needed-by ids
        for (int i = 0; i < result.neededBy().length(); i++) {
            HorizontalPanel p = new HorizontalPanel();
            p.addStyleName("infoBlock");
            Label label = new Label("Needed-by");
            label.setWidth("72px");
            p.add(label);
            CopyableLabel cl = new CopyableLabel(result.neededBy().get(i));
            if (result.cycle()) {
                cl.getElement().getStyle().setColor(COLOR_RED);
            }
            p.add(cl);
            grid.insertRow(row);
            grid.setWidget(row, 0, p);
            row++;
        }
        add(grid);
    }
}