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

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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.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormChoiceComponentUpdatingBehavior;
import org.apache.wicket.extensions.markup.html.form.palette.Palette;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.markup.html.form.CheckBox;
import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.IChoiceRenderer;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.model.CompoundPropertyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.model.util.CollectionModel;
import org.apache.wicket.model.util.ListModel;
import org.eclipse.jgit.lib.Repository;

import com.gitblit.Constants;
import com.gitblit.Constants.AccessRestrictionType;
import com.gitblit.Constants.AuthorizationControl;
import com.gitblit.Constants.CommitMessageRenderer;
import com.gitblit.Constants.FederationStrategy;
import com.gitblit.Constants.MergeType;
import com.gitblit.Constants.RegistrantType;
import com.gitblit.GitBlitException;
import com.gitblit.Keys;
import com.gitblit.models.RegistrantAccessPermission;
import com.gitblit.models.RepositoryModel;
import com.gitblit.models.UserChoice;
import com.gitblit.models.UserModel;
import com.gitblit.utils.ArrayUtils;
import com.gitblit.utils.StringUtils;
import com.gitblit.wicket.GitBlitWebSession;
import com.gitblit.wicket.StringChoiceRenderer;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.panels.AccessPolicyPanel;
import com.gitblit.wicket.panels.BasePanel.JavascriptEventConfirmation;
import com.gitblit.wicket.panels.BooleanOption;
import com.gitblit.wicket.panels.BulletListPanel;
import com.gitblit.wicket.panels.ChoiceOption;
import com.gitblit.wicket.panels.RegistrantPermissionsPanel;
import com.gitblit.wicket.panels.RepositoryNamePanel;
import com.gitblit.wicket.panels.TextOption;

public class EditRepositoryPage extends RootSubPage {

    private static final long serialVersionUID = 1L;

    private final boolean isCreate;

    RepositoryNamePanel namePanel;

    AccessPolicyPanel accessPolicyPanel;

    private boolean isAdmin;

    RepositoryModel repositoryModel;

    private IModel<String> metricAuthorExclusions;

    private IModel<String> mailingLists;

    public EditRepositoryPage() {
        // create constructor
        super();
        isCreate = true;
        RepositoryModel model = new RepositoryModel();
        String restriction = app().settings().getString(Keys.git.defaultAccessRestriction, "PUSH");
        model.accessRestriction = AccessRestrictionType.fromName(restriction);
        String authorization = app().settings().getString(Keys.git.defaultAuthorizationControl, null);
        model.authorizationControl = AuthorizationControl.fromName(authorization);

        GitBlitWebSession session = GitBlitWebSession.get();
        UserModel user = session.getUser();
        if (user != null && user.canCreate() && !user.canAdmin()) {
            // personal create permissions, inject personal repository path
            model.name = user.getPersonalPath() + "/";
            model.projectPath = user.getPersonalPath();
            model.addOwner(user.username);
            // personal repositories are private by default
            model.accessRestriction = AccessRestrictionType.VIEW;
            model.authorizationControl = AuthorizationControl.NAMED;
        }

        setupPage(model);
        setStatelessHint(false);
        setOutputMarkupId(true);
    }

    public EditRepositoryPage(PageParameters params) {
        // edit constructor
        super(params);
        isCreate = false;
        String name = WicketUtils.getRepositoryName(params);
        RepositoryModel model = app().repositories().getRepositoryModel(name);
        setupPage(model);
        setStatelessHint(false);
        setOutputMarkupId(true);
    }

    @Override
    protected boolean requiresPageMap() {
        return true;
    }

    @Override
    protected Class<? extends BasePage> getRootNavPageClass() {
        return RepositoriesPage.class;
    }

    protected void setupPage(RepositoryModel model) {
        this.repositoryModel = model;

        // ensure this user can create or edit this repository
        checkPermissions(repositoryModel);

        List<String> indexedBranches = new ArrayList<String>();
        List<String> federationSets = new ArrayList<String>();
        final List<RegistrantAccessPermission> repositoryUsers = new ArrayList<RegistrantAccessPermission>();
        final List<RegistrantAccessPermission> repositoryTeams = new ArrayList<RegistrantAccessPermission>();
        List<String> preReceiveScripts = new ArrayList<String>();
        List<String> postReceiveScripts = new ArrayList<String>();

        GitBlitWebSession session = GitBlitWebSession.get();
        final UserModel user = session.getUser() == null ? UserModel.ANONYMOUS : session.getUser();
        final boolean allowEditName = isCreate || isAdmin
                || repositoryModel.isUsersPersonalRepository(user.username);

        if (isCreate) {
            if (user.canAdmin()) {
                super.setupPage(getString("gb.newRepository"), "");
            } else {
                super.setupPage(getString("gb.newRepository"), user.getDisplayName());
            }
        } else {
            super.setupPage(getString("gb.edit"), repositoryModel.name);
            repositoryUsers.addAll(app().repositories().getUserAccessPermissions(repositoryModel));
            repositoryTeams.addAll(app().repositories().getTeamAccessPermissions(repositoryModel));
            Collections.sort(repositoryUsers);
            Collections.sort(repositoryTeams);

            federationSets.addAll(repositoryModel.federationSets);
            if (!ArrayUtils.isEmpty(repositoryModel.indexedBranches)) {
                indexedBranches.addAll(repositoryModel.indexedBranches);
            }
        }

        final String oldName = repositoryModel.name;

        final RegistrantPermissionsPanel usersPalette = new RegistrantPermissionsPanel("users", RegistrantType.USER,
                app().users().getAllUsernames(), repositoryUsers, getAccessPermissions());
        final RegistrantPermissionsPanel teamsPalette = new RegistrantPermissionsPanel("teams", RegistrantType.TEAM,
                app().users().getAllTeamNames(), repositoryTeams, getAccessPermissions());

        // owners palette
        List<UserChoice> owners = new ArrayList<UserChoice>();
        List<UserChoice> persons = new ArrayList<UserChoice>();
        for (String owner : repositoryModel.owners) {
            UserModel o = app().users().getUserModel(owner);
            if (o != null) {
                owners.add(new UserChoice(o.getDisplayName(), o.username, o.emailAddress));
            } else {
                UserChoice userChoice = new UserChoice(owner);
                owners.add(userChoice);
                persons.add(userChoice);
            }
        }

        for (String person : app().users().getAllUsernames()) {
            UserModel o = app().users().getUserModel(person);
            if (o != null) {
                persons.add(new UserChoice(o.getDisplayName(), o.username, o.emailAddress));
            } else {
                persons.add(new UserChoice(person));
            }
        }
        final Palette<UserChoice> ownersPalette = new Palette<UserChoice>("owners",
                new ListModel<UserChoice>(owners), new CollectionModel<UserChoice>(persons),
                new ChoiceRenderer<UserChoice>(null, "userId"), 12, false);

        // indexed local branches palette
        List<String> allLocalBranches = new ArrayList<String>();
        allLocalBranches.add(Constants.DEFAULT_BRANCH);
        allLocalBranches.addAll(repositoryModel.getLocalBranches());
        boolean luceneEnabled = app().settings().getBoolean(Keys.web.allowLuceneIndexing, true);
        final Palette<String> indexedBranchesPalette = new Palette<String>("indexedBranches",
                new ListModel<String>(indexedBranches), new CollectionModel<String>(allLocalBranches),
                new StringChoiceRenderer(), 8, false);
        indexedBranchesPalette.setEnabled(luceneEnabled);

        // federation sets palette
        List<String> sets = app().settings().getStrings(Keys.federation.sets);
        final Palette<String> federationSetsPalette = new Palette<String>("federationSets",
                new ListModel<String>(federationSets), new CollectionModel<String>(sets),
                new StringChoiceRenderer(), 8, false);

        // pre-receive palette
        if (!ArrayUtils.isEmpty(repositoryModel.preReceiveScripts)) {
            preReceiveScripts.addAll(repositoryModel.preReceiveScripts);
        }
        final Palette<String> preReceivePalette = new Palette<String>("preReceiveScripts",
                new ListModel<String>(preReceiveScripts),
                new CollectionModel<String>(app().repositories().getPreReceiveScriptsUnused(repositoryModel)),
                new StringChoiceRenderer(), 12, true);

        // post-receive palette
        if (!ArrayUtils.isEmpty(repositoryModel.postReceiveScripts)) {
            postReceiveScripts.addAll(repositoryModel.postReceiveScripts);
        }
        final Palette<String> postReceivePalette = new Palette<String>("postReceiveScripts",
                new ListModel<String>(postReceiveScripts),
                new CollectionModel<String>(app().repositories().getPostReceiveScriptsUnused(repositoryModel)),
                new StringChoiceRenderer(), 12, true);

        // custom fields
        final Map<String, String> customFieldsMap = app().settings().getMap(Keys.groovy.customFields);
        List<String> customKeys = new ArrayList<String>(customFieldsMap.keySet());
        final ListView<String> customFieldsListView = new ListView<String>("customFieldsListView", customKeys) {

            private static final long serialVersionUID = 1L;

            @Override
            protected void populateItem(ListItem<String> item) {
                String key = item.getModelObject();
                item.add(new Label("customFieldLabel", customFieldsMap.get(key)));

                String value = "";
                if (repositoryModel.customFields != null && repositoryModel.customFields.containsKey(key)) {
                    value = repositoryModel.customFields.get(key);
                }
                TextField<String> field = new TextField<String>("customFieldValue", new Model<String>(value));
                item.add(field);
            }
        };
        customFieldsListView.setReuseItems(true);

        CompoundPropertyModel<RepositoryModel> rModel = new CompoundPropertyModel<RepositoryModel>(repositoryModel);
        Form<RepositoryModel> form = new Form<RepositoryModel>("editForm", rModel) {

            private static final long serialVersionUID = 1L;

            @Override
            protected void onSubmit() {
                try {
                    if (!namePanel.updateModel(repositoryModel)) {
                        return;
                    }

                    // confirm access restriction selection
                    if (repositoryModel.accessRestriction == null) {
                        error(getString("gb.selectAccessRestriction"));
                        return;
                    }

                    // confirm federation strategy selection
                    if (repositoryModel.federationStrategy == null) {
                        error(getString("gb.selectFederationStrategy"));
                        return;
                    }

                    // save federation set preferences
                    if (repositoryModel.federationStrategy.exceeds(FederationStrategy.EXCLUDE)) {
                        repositoryModel.federationSets.clear();
                        Iterator<String> sets = federationSetsPalette.getSelectedChoices();
                        while (sets.hasNext()) {
                            repositoryModel.federationSets.add(sets.next());
                        }
                    }

                    // set author metric exclusions
                    String ax = metricAuthorExclusions.getObject();
                    if (StringUtils.isEmpty(ax)) {
                        repositoryModel.metricAuthorExclusions = new ArrayList<String>();
                    } else {
                        Set<String> list = new HashSet<String>();
                        for (String exclusion : StringUtils.getStringsFromValue(ax, " ")) {
                            if (StringUtils.isEmpty(exclusion)) {
                                continue;
                            }
                            if (exclusion.indexOf(' ') > -1) {
                                list.add("\"" + exclusion + "\"");
                            } else {
                                list.add(exclusion);
                            }
                        }
                        repositoryModel.metricAuthorExclusions = new ArrayList<String>(list);
                    }

                    // set mailing lists
                    String ml = mailingLists.getObject();
                    if (StringUtils.isEmpty(ml)) {
                        repositoryModel.mailingLists = new ArrayList<String>();
                    } else {
                        Set<String> list = new HashSet<String>();
                        for (String address : ml.split("(,|\\s)")) {
                            if (StringUtils.isEmpty(address)) {
                                continue;
                            }
                            list.add(address.toLowerCase());
                        }
                        repositoryModel.mailingLists = new ArrayList<String>(list);
                    }

                    // indexed branches
                    List<String> indexedBranches = new ArrayList<String>();
                    Iterator<String> branches = indexedBranchesPalette.getSelectedChoices();
                    while (branches.hasNext()) {
                        indexedBranches.add(branches.next());
                    }
                    repositoryModel.indexedBranches = indexedBranches;

                    // owners
                    repositoryModel.owners.clear();
                    Iterator<UserChoice> owners = ownersPalette.getSelectedChoices();
                    while (owners.hasNext()) {
                        repositoryModel.addOwner(owners.next().getUserId());
                    }

                    // pre-receive scripts
                    List<String> preReceiveScripts = new ArrayList<String>();
                    Iterator<String> pres = preReceivePalette.getSelectedChoices();
                    while (pres.hasNext()) {
                        preReceiveScripts.add(pres.next());
                    }
                    repositoryModel.preReceiveScripts = preReceiveScripts;

                    // post-receive scripts
                    List<String> postReceiveScripts = new ArrayList<String>();
                    Iterator<String> post = postReceivePalette.getSelectedChoices();
                    while (post.hasNext()) {
                        postReceiveScripts.add(post.next());
                    }
                    repositoryModel.postReceiveScripts = postReceiveScripts;

                    // custom fields
                    repositoryModel.customFields = new LinkedHashMap<String, String>();
                    Iterator<Component> customFieldsListViewIterator = customFieldsListView.iterator();
                    while (customFieldsListViewIterator.hasNext()) {

                        ListItem<String> child = (ListItem<String>) customFieldsListViewIterator.next();
                        String key = child.getModelObject();

                        TextField<String> field = (TextField<String>) child.get("customFieldValue");
                        String value = field.getValue();

                        repositoryModel.customFields.put(key, value);
                    }

                    // save the repository
                    app().gitblit().updateRepositoryModel(oldName, repositoryModel, isCreate);

                    // repository access permissions
                    if (repositoryModel.accessRestriction.exceeds(AccessRestrictionType.NONE)) {
                        app().gitblit().setUserAccessPermissions(repositoryModel, repositoryUsers);
                        app().gitblit().setTeamAccessPermissions(repositoryModel, repositoryTeams);
                    }
                } catch (GitBlitException e) {
                    error(e.getMessage());
                    return;
                }
                setResponsePage(SummaryPage.class, WicketUtils.newRepositoryParameter(repositoryModel.name));
            }
        };

        // Determine available refs & branches
        List<String> availableRefs = new ArrayList<String>();
        List<String> availableBranches = new ArrayList<String>();
        if (!ArrayUtils.isEmpty(repositoryModel.availableRefs)) {
            for (String ref : repositoryModel.availableRefs) {
                if (!ref.startsWith(Constants.R_TICKET)) {
                    availableRefs.add(ref);
                    if (ref.startsWith(Constants.R_HEADS)) {
                        availableBranches.add(Repository.shortenRefName(ref));
                    }
                }
            }
        }

        // do not let the browser pre-populate these fields
        form.add(new AttributeModifier("autocomplete", "off"));

        //
        //
        // GENERAL
        //
        namePanel = new RepositoryNamePanel("namePanel", repositoryModel);
        namePanel.setEditable(allowEditName);
        form.add(namePanel);

        // XXX AccessPolicyPanel is defined later.

        form.add(new ChoiceOption<String>("head", getString("gb.headRef"), getString("gb.headRefDescription"),
                new PropertyModel<String>(repositoryModel, "HEAD"), availableRefs));

        //
        // PERMISSIONS
        //
        form.add(ownersPalette);
        form.add(usersPalette);
        form.add(teamsPalette);

        //
        // TICKETS
        //
        form.add(new BooleanOption("acceptNewPatchsets", getString("gb.acceptNewPatchsets"),
                getString("gb.acceptNewPatchsetsDescription"),
                new PropertyModel<Boolean>(repositoryModel, "acceptNewPatchsets")));

        form.add(new BooleanOption("acceptNewTickets", getString("gb.acceptNewTickets"),
                getString("gb.acceptNewTicketsDescription"),
                new PropertyModel<Boolean>(repositoryModel, "acceptNewTickets")));

        form.add(new BooleanOption("requireApproval", getString("gb.requireApproval"),
                getString("gb.requireApprovalDescription"),
                new PropertyModel<Boolean>(repositoryModel, "requireApproval")));

        form.add(new ChoiceOption<String>("mergeTo", getString("gb.mergeTo"), getString("gb.mergeToDescription"),
                new PropertyModel<String>(repositoryModel, "mergeTo"), availableBranches));
        form.add(new ChoiceOption<MergeType>("mergeType", getString("gb.mergeType"),
                getString("gb.mergeTypeDescription"), new PropertyModel<MergeType>(repositoryModel, "mergeType"),
                Arrays.asList(MergeType.values())));

        //
        // RECEIVE
        //
        form.add(new BooleanOption("isFrozen", getString("gb.isFrozen"), getString("gb.isFrozenDescription"),
                new PropertyModel<Boolean>(repositoryModel, "isFrozen")));

        form.add(new BooleanOption("incrementalPushTags", getString("gb.enableIncrementalPushTags"),
                getString("gb.useIncrementalPushTagsDescription"),
                new PropertyModel<Boolean>(repositoryModel, "useIncrementalPushTags")));

        final CheckBox verifyCommitter = new CheckBox("checkbox",
                new PropertyModel<Boolean>(repositoryModel, "verifyCommitter"));
        verifyCommitter.setOutputMarkupId(true);
        form.add(new BooleanOption("verifyCommitter", getString("gb.verifyCommitter"),
                getString("gb.verifyCommitterDescription") + "<br/>" + getString("gb.verifyCommitterNote"),
                verifyCommitter).setIsHtmlDescription(true));

        form.add(preReceivePalette);
        form.add(new BulletListPanel("inheritedPreReceive", getString("gb.inherited"),
                app().repositories().getPreReceiveScriptsInherited(repositoryModel)));
        form.add(postReceivePalette);
        form.add(new BulletListPanel("inheritedPostReceive", getString("gb.inherited"),
                app().repositories().getPostReceiveScriptsInherited(repositoryModel)));

        WebMarkupContainer customFieldsSection = new WebMarkupContainer("customFieldsSection");
        customFieldsSection.add(customFieldsListView);
        form.add(customFieldsSection
                .setVisible(!app().settings().getString(Keys.groovy.customFields, "").isEmpty()));

        //
        // FEDERATION
        //
        List<FederationStrategy> federationStrategies = new ArrayList<FederationStrategy>(
                Arrays.asList(FederationStrategy.values()));
        // federation strategies - remove ORIGIN choice if this repository has no origin.
        if (StringUtils.isEmpty(repositoryModel.origin)) {
            federationStrategies.remove(FederationStrategy.FEDERATE_ORIGIN);
        }

        form.add(new ChoiceOption<FederationStrategy>("federationStrategy", getString("gb.federationStrategy"),
                getString("gb.federationStrategyDescription"),
                new DropDownChoice<FederationStrategy>("choice",
                        new PropertyModel<FederationStrategy>(repositoryModel, "federationStrategy"),
                        federationStrategies, new FederationTypeRenderer())));

        form.add(federationSetsPalette);

        //
        // SEARCH
        //
        form.add(indexedBranchesPalette);

        //
        // GARBAGE COLLECTION
        //
        boolean gcEnabled = app().settings().getBoolean(Keys.git.enableGarbageCollection, false);
        int defaultGcPeriod = app().settings().getInteger(Keys.git.defaultGarbageCollectionPeriod, 7);
        if (repositoryModel.gcPeriod == 0) {
            repositoryModel.gcPeriod = defaultGcPeriod;
        }
        List<Integer> gcPeriods = Arrays.asList(1, 2, 3, 4, 5, 7, 10, 14);
        form.add(new ChoiceOption<Integer>("gcPeriod", getString("gb.gcPeriod"),
                getString("gb.gcPeriodDescription"), new DropDownChoice<Integer>("choice",
                        new PropertyModel<Integer>(repositoryModel, "gcPeriod"), gcPeriods, new GCPeriodRenderer()))
                                .setEnabled(gcEnabled));

        form.add(new TextOption("gcThreshold", getString("gb.gcThreshold"), getString("gb.gcThresholdDescription"),
                "span1", new PropertyModel<String>(repositoryModel, "gcThreshold")).setEnabled(gcEnabled));

        //
        // MISCELLANEOUS
        //

        form.add(new TextOption("origin", getString("gb.origin"), getString("gb.originDescription"), "span6",
                new PropertyModel<String>(repositoryModel, "origin")).setEnabled(false));

        form.add(new BooleanOption("showRemoteBranches", getString("gb.showRemoteBranches"),
                getString("gb.showRemoteBranchesDescription"),
                new PropertyModel<Boolean>(repositoryModel, "showRemoteBranches")));

        form.add(new BooleanOption("skipSizeCalculation", getString("gb.skipSizeCalculation"),
                getString("gb.skipSizeCalculationDescription"),
                new PropertyModel<Boolean>(repositoryModel, "skipSizeCalculation")));

        form.add(new BooleanOption("skipSummaryMetrics", getString("gb.skipSummaryMetrics"),
                getString("gb.skipSummaryMetricsDescription"),
                new PropertyModel<Boolean>(repositoryModel, "skipSummaryMetrics")));

        List<Integer> maxActivityCommits = Arrays.asList(-1, 0, 25, 50, 75, 100, 150, 200, 250, 500);
        form.add(new ChoiceOption<Integer>("maxActivityCommits", getString("gb.maxActivityCommits"),
                getString("gb.maxActivityCommitsDescription"),
                new DropDownChoice<Integer>("choice",
                        new PropertyModel<Integer>(repositoryModel, "maxActivityCommits"), maxActivityCommits,
                        new MaxActivityCommitsRenderer())));

        List<CommitMessageRenderer> renderers = Arrays.asList(CommitMessageRenderer.values());
        form.add(new ChoiceOption<CommitMessageRenderer>("commitMessageRenderer",
                getString("gb.commitMessageRenderer"), getString("gb.commitMessageRendererDescription"),
                new DropDownChoice<CommitMessageRenderer>("choice",
                        new PropertyModel<CommitMessageRenderer>(repositoryModel, "commitMessageRenderer"),
                        renderers)));

        metricAuthorExclusions = new Model<String>(ArrayUtils.isEmpty(repositoryModel.metricAuthorExclusions) ? ""
                : StringUtils.flattenStrings(repositoryModel.metricAuthorExclusions, " "));

        form.add(new TextOption("metricAuthorExclusions", getString("gb.metricAuthorExclusions"),
                getString("gb.metricAuthorExclusions"), "span6", metricAuthorExclusions));

        mailingLists = new Model<String>(ArrayUtils.isEmpty(repositoryModel.mailingLists) ? ""
                : StringUtils.flattenStrings(repositoryModel.mailingLists, " "));

        form.add(new TextOption("mailingLists", getString("gb.mailingLists"), getString("gb.mailingLists"), "span6",
                mailingLists));

        // initial enable/disable of permission controls
        if (repositoryModel.accessRestriction.equals(AccessRestrictionType.NONE)) {
            // anonymous everything, disable all controls
            usersPalette.setEnabled(false);
            teamsPalette.setEnabled(false);
            verifyCommitter.setEnabled(false);
        } else {
            // authenticated something
            // enable authorization controls
            verifyCommitter.setEnabled(true);

            boolean allowFineGrainedControls = repositoryModel.authorizationControl
                    .equals(AuthorizationControl.NAMED);
            usersPalette.setEnabled(allowFineGrainedControls);
            teamsPalette.setEnabled(allowFineGrainedControls);
        }

        //
        // ACCESS POLICY PANEL (GENERAL)
        //
        AjaxFormChoiceComponentUpdatingBehavior callback = new AjaxFormChoiceComponentUpdatingBehavior() {

            private static final long serialVersionUID = 1L;

            @Override
            protected void onUpdate(AjaxRequestTarget target) {
                accessPolicyPanel.updateModel(repositoryModel);

                boolean allowAuthorizationControl = repositoryModel.accessRestriction
                        .exceeds(AccessRestrictionType.NONE);
                verifyCommitter.setEnabled(allowAuthorizationControl);

                boolean allowFineGrainedControls = allowAuthorizationControl
                        && repositoryModel.authorizationControl.equals(AuthorizationControl.NAMED);
                usersPalette.setEnabled(allowFineGrainedControls);
                teamsPalette.setEnabled(allowFineGrainedControls);

                if (allowFineGrainedControls) {
                    repositoryModel.authorizationControl = AuthorizationControl.NAMED;
                }

                target.add(verifyCommitter);
                target.add(usersPalette);
                target.add(teamsPalette);
            }
        };

        accessPolicyPanel = new AccessPolicyPanel("accessPolicyPanel", repositoryModel, callback);
        form.add(accessPolicyPanel);

        //
        // FORM CONTROLS
        //
        form.add(new Button("save"));
        Button cancel = new Button("cancel") {
            private static final long serialVersionUID = 1L;

            @Override
            public void onSubmit() {
                if (isCreate) {
                    setResponsePage(RepositoriesPage.class);
                } else {
                    setResponsePage(SummaryPage.class, WicketUtils.newRepositoryParameter(repositoryModel.name));
                }
            }
        };
        cancel.setDefaultFormProcessing(false);
        form.add(cancel);

        // the user can delete if deletions are allowed AND the user is an admin or the personal owner
        // assigned ownership is not sufficient to allow deletion
        boolean canDelete = !isCreate && app().repositories().canDelete(repositoryModel)
                && (user.canAdmin() || user.isMyPersonalRepository(repositoryModel.name));

        Link<Void> delete = new Link<Void>("delete") {

            private static final long serialVersionUID = 1L;

            @Override
            public void onClick() {
                RepositoryModel latestModel = app().repositories().getRepositoryModel(repositoryModel.name);
                boolean canDelete = app().repositories().canDelete(latestModel);
                if (canDelete) {
                    if (app().gitblit().deleteRepositoryModel(latestModel)) {
                        info(MessageFormat.format(getString("gb.repositoryDeleted"), latestModel));
                        if (latestModel.isPersonalRepository()) {
                            // redirect to user's profile page
                            String prefix = app().settings().getString(Keys.git.userRepositoryPrefix, "~");
                            String username = latestModel.projectPath.substring(prefix.length());
                            setResponsePage(UserPage.class, WicketUtils.newUsernameParameter(username));
                        } else {
                            // redirect to server repositories page
                            setResponsePage(RepositoriesPage.class);
                        }
                    } else {
                        error(MessageFormat.format(getString("gb.repositoryDeleteFailed"), latestModel));
                    }
                } else {
                    error(MessageFormat.format(getString("gb.repositoryDeleteFailed"), latestModel));
                }
            }
        };

        if (canDelete) {
            delete.add(new JavascriptEventConfirmation("click",
                    MessageFormat.format(getString("gb.deleteRepository"), repositoryModel)));
        }
        form.add(delete.setVisible(canDelete));

        add(form);
    }

    /**
     * Unfortunately must repeat part of AuthorizaitonStrategy here because that
     * mechanism does not take PageParameters into consideration, only page
     * instantiation.
     *
     * Repository Owners should be able to edit their repository.
     */
    private void checkPermissions(RepositoryModel model) {
        boolean authenticateAdmin = app().settings().getBoolean(Keys.web.authenticateAdminPages, true);
        boolean allowAdmin = app().settings().getBoolean(Keys.web.allowAdministration, true);

        GitBlitWebSession session = GitBlitWebSession.get();
        UserModel user = session.getUser();

        if (allowAdmin) {
            if (authenticateAdmin) {
                if (user == null) {
                    // No Login Available
                    error(getString("gb.errorAdminLoginRequired"), true);
                }
                if (isCreate) {
                    // Create Repository
                    if (!user.canCreate() && !user.canAdmin()) {
                        // Only administrators or permitted users may create
                        error(getString("gb.errorOnlyAdminMayCreateRepository"), true);
                    }
                } else {
                    // Edit Repository
                    if (user.canAdmin()) {
                        // Admins can edit everything
                        isAdmin = true;
                        return;
                    } else {
                        if (!model.isOwner(user.username)) {
                            // User is not an Admin nor Owner
                            error(getString("gb.errorOnlyAdminOrOwnerMayEditRepository"), true);
                        }
                    }
                }
            }
        } else {
            // No Administration Permitted
            error(getString("gb.errorAdministrationDisabled"), true);
        }
    }

    private class FederationTypeRenderer implements IChoiceRenderer<FederationStrategy> {

        private static final long serialVersionUID = 1L;

        private final Map<FederationStrategy, String> map;

        public FederationTypeRenderer() {
            map = getFederationTypes();
        }

        @Override
        public String getDisplayValue(FederationStrategy type) {
            return map.get(type);
        }

        @Override
        public String getIdValue(FederationStrategy type, int index) {
            return Integer.toString(index);
        }

        @Override
        public FederationStrategy getObject(String id,
                IModel<? extends List<? extends FederationStrategy>> choices) {
            return choices.getObject().get(Integer.valueOf(id));
        }
    }

    private class GCPeriodRenderer implements IChoiceRenderer<Integer> {

        private static final long serialVersionUID = 1L;

        public GCPeriodRenderer() {
        }

        @Override
        public String getDisplayValue(Integer value) {
            if (value == 1) {
                return getString("gb.duration.oneDay");
            } else {
                return MessageFormat.format(getString("gb.duration.days"), value);
            }
        }

        @Override
        public String getIdValue(Integer value, int index) {
            return Integer.toString(index);
        }

        @Override
        public Integer getObject(String id, IModel<? extends List<? extends Integer>> choices) {
            return choices.getObject().get(Integer.valueOf(id));
        }
    }

    private class MaxActivityCommitsRenderer implements IChoiceRenderer<Integer> {

        private static final long serialVersionUID = 1L;

        public MaxActivityCommitsRenderer() {
        }

        @Override
        public String getDisplayValue(Integer value) {
            if (value == -1) {
                return getString("gb.excludeFromActivity");
            } else if (value == 0) {
                return getString("gb.noMaximum");
            } else {
                return value + " " + getString("gb.commits");
            }
        }

        @Override
        public String getIdValue(Integer value, int index) {
            return Integer.toString(index);
        }

        @Override
        public Integer getObject(String id, IModel<? extends List<? extends Integer>> choices) {
            return choices.getObject().get(Integer.valueOf(id));
        }
    }
}