com.gitblit.wicket.pages.OverviewPage.java Source code

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Here is the source code for com.gitblit.wicket.pages.OverviewPage.java

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/*
 * Copyright 2011 gitblit.com.
 *
 * 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.gitblit.wicket.pages;

import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;

import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.ListDataProvider;
import org.eclipse.jgit.lib.Repository;

import com.gitblit.Keys;
import com.gitblit.models.Metric;
import com.gitblit.models.RepositoryModel;
import com.gitblit.models.UserModel;
import com.gitblit.utils.JGitUtils;
import com.gitblit.wicket.CacheControl;
import com.gitblit.wicket.CacheControl.LastModified;
import com.gitblit.wicket.GitBlitWebSession;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.charting.Chart;
import com.gitblit.wicket.charting.Charts;
import com.gitblit.wicket.charting.Flotr2Charts;
import com.gitblit.wicket.panels.BranchesPanel;
import com.gitblit.wicket.panels.LinkPanel;
import com.gitblit.wicket.panels.ReflogPanel;
import com.gitblit.wicket.panels.RepositoryUrlPanel;
import com.gitblit.wicket.panels.TagsPanel;

@CacheControl(LastModified.REPOSITORY)
public class OverviewPage extends RepositoryPage {

    public OverviewPage(PageParameters params) {
        super(params);

        int numberRefs = app().settings().getInteger(Keys.web.summaryRefsCount, 5);

        Repository r = getRepository();
        final RepositoryModel model = getRepositoryModel();
        UserModel user = GitBlitWebSession.get().getUser();
        if (user == null) {
            user = UserModel.ANONYMOUS;
        }

        List<Metric> metrics = null;
        Metric metricsTotal = null;
        if (!model.skipSummaryMetrics && app().settings().getBoolean(Keys.web.generateActivityGraph, true)) {
            metrics = app().repositories().getRepositoryDefaultMetrics(model, r);
            metricsTotal = metrics.remove(0);
        }

        addSyndicationDiscoveryLink();

        // repository description
        add(new Label("repositoryDescription", getRepositoryModel().description));

        // owner links
        final List<String> owners = new ArrayList<String>(getRepositoryModel().owners);
        ListDataProvider<String> ownersDp = new ListDataProvider<String>(owners);
        DataView<String> ownersView = new DataView<String>("repositoryOwners", ownersDp) {
            private static final long serialVersionUID = 1L;
            int counter = 0;

            @Override
            public void populateItem(final Item<String> item) {
                String ownername = item.getModelObject();
                UserModel ownerModel = app().users().getUserModel(ownername);
                if (ownerModel != null) {
                    item.add(new LinkPanel("owner", null, ownerModel.getDisplayName(), UserPage.class,
                            WicketUtils.newUsernameParameter(ownerModel.username)).setRenderBodyOnly(true));
                } else {
                    Label owner = new Label("owner", ownername);
                    WicketUtils.setCssStyle(owner, "text-decoration: line-through;");
                    WicketUtils.setHtmlTooltip(owner,
                            MessageFormat.format(getString("gb.failedToFindAccount"), ownername));
                    item.add(owner);
                }
                counter++;
                item.add(new Label("comma", ",").setVisible(counter < owners.size()));
                item.setRenderBodyOnly(true);
            }
        };
        ownersView.setRenderBodyOnly(true);
        add(ownersView);

        add(WicketUtils.createTimestampLabel("repositoryLastChange", JGitUtils.getLastChange(r).when, getTimeZone(),
                getTimeUtils()));
        add(new Label("repositorySize", model.size));

        if (metricsTotal == null) {
            add(new Label("branchStats", ""));
        } else {
            add(new Label("branchStats", MessageFormat.format(getString("gb.branchStats"), metricsTotal.count,
                    metricsTotal.tag, getTimeUtils().duration(metricsTotal.duration))));
        }
        add(new BookmarkablePageLink<Void>("metrics", MetricsPage.class,
                WicketUtils.newRepositoryParameter(repositoryName)));

        add(new RepositoryUrlPanel("repositoryUrlPanel", false, user, model));

        int reflogCount = app().settings().getInteger(Keys.web.overviewReflogCount, 5);
        ReflogPanel reflog = new ReflogPanel("reflogPanel", getRepositoryModel(), r, reflogCount, 0);
        add(reflog);
        add(new TagsPanel("tagsPanel", repositoryName, r, numberRefs).hideIfEmpty());
        add(new BranchesPanel("branchesPanel", getRepositoryModel(), r, numberRefs, false).hideIfEmpty());

        // Display an activity line graph
        insertActivityGraph(metrics);
    }

    @Override
    protected String getPageName() {
        return getString("gb.overview");
    }

    private void insertActivityGraph(List<Metric> metrics) {
        if ((metrics != null) && (metrics.size() > 0)
                && app().settings().getBoolean(Keys.web.generateActivityGraph, true)) {

            Charts charts = new Flotr2Charts();

            // daily line chart
            Chart chart = charts.createLineChart("chartDaily", "", "unit", getString("gb.commits"));
            for (Metric metric : metrics) {
                chart.addValue(metric.name, metric.count);
            }
            chart.setWidth(375);
            chart.setHeight(150);

            charts.addChart(chart);
            add(charts);
        }
    }
}