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// Copyright (C) 2011 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.google.gerrit.client.admin;
import static com.google.gerrit.common.ProjectAccessUtil.mergeSections;
import static com.google.gerrit.common.ProjectAccessUtil.removeEmptyPermissionsAndSections;
import com.google.gerrit.client.ErrorDialog;
import com.google.gerrit.client.Gerrit;
import com.google.gerrit.client.config.CapabilityInfo;
import com.google.gerrit.client.config.ConfigServerApi;
import com.google.gerrit.client.rpc.CallbackGroup;
import com.google.gerrit.client.rpc.GerritCallback;
import com.google.gerrit.client.rpc.NativeMap;
import com.google.gerrit.client.rpc.Natives;
import com.google.gerrit.client.rpc.ScreenLoadCallback;
import com.google.gerrit.common.PageLinks;
import com.google.gerrit.common.data.AccessSection;
import com.google.gerrit.common.data.ProjectAccess;
import com.google.gerrit.common.errors.UpdateParentFailedException;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.DivElement;
import com.google.gwt.editor.client.SimpleBeanEditorDriver;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwtexpui.globalkey.client.NpTextArea;
import com.google.gwtjsonrpc.client.RemoteJsonException;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class ProjectAccessScreen extends ProjectScreen {
interface Binder extends UiBinder<HTMLPanel, ProjectAccessScreen> {
}
private static final Binder uiBinder = GWT.create(Binder.class);
interface Driver extends SimpleBeanEditorDriver< //
ProjectAccess, //
ProjectAccessEditor> {
}
@UiField
DivElement editTools;
@UiField
Button edit;
@UiField
Button cancel1;
@UiField
Button cancel2;
@UiField
VerticalPanel error;
@UiField
ProjectAccessEditor accessEditor;
@UiField
DivElement commitTools;
@UiField
NpTextArea commitMessage;
@UiField
Button commit;
@UiField
Button review;
private Driver driver;
private ProjectAccess access;
private NativeMap<CapabilityInfo> capabilityMap;
public ProjectAccessScreen(final Project.NameKey toShow) {
super(toShow);
}
@Override
protected void onInitUI() {
super.onInitUI();
add(uiBinder.createAndBindUi(this));
driver = GWT.create(Driver.class);
accessEditor.setEditing(false);
driver.initialize(accessEditor);
}
@Override
protected void onLoad() {
super.onLoad();
CallbackGroup cbs = new CallbackGroup();
ConfigServerApi.capabilities(
cbs.add(new AsyncCallback<NativeMap<CapabilityInfo>>() {
@Override
public void onSuccess(NativeMap<CapabilityInfo> result) {
capabilityMap = result;
}
@Override
public void onFailure(Throwable caught) {
// Handled by ScreenLoadCallback.onFailure().
}
}));
Util.PROJECT_SVC.projectAccess(getProjectKey(),
cbs.addFinal(new ScreenLoadCallback<ProjectAccess>(this) {
@Override
public void preDisplay(ProjectAccess access) {
displayReadOnly(access);
}
}));
savedPanel = ACCESS;
}
private void displayReadOnly(ProjectAccess access) {
this.access = access;
Map<String, String> allCapabilities = new HashMap<>();
for (CapabilityInfo c : Natives.asList(capabilityMap.values())) {
allCapabilities.put(c.id(), c.name());
}
this.access.setCapabilities(allCapabilities);
accessEditor.setEditing(false);
UIObject.setVisible(editTools, !access.getOwnerOf().isEmpty() || access.canUpload());
edit.setEnabled(!access.getOwnerOf().isEmpty() || access.canUpload());
cancel1.setVisible(false);
UIObject.setVisible(commitTools, false);
driver.edit(access);
}
@UiHandler("edit")
void onEdit(@SuppressWarnings("unused") ClickEvent event) {
resetEditors();
edit.setEnabled(false);
cancel1.setVisible(true);
UIObject.setVisible(commitTools, true);
commit.setVisible(!access.getOwnerOf().isEmpty());
review.setVisible(access.canUpload());
accessEditor.setEditing(true);
driver.edit(access);
}
private void resetEditors() {
// Push an empty instance through the driver before pushing the real
// data. This will force GWT to delete and recreate the editors, which
// is required to build initialize them as editable vs. read-only.
ProjectAccess mock = new ProjectAccess();
mock.setProjectName(access.getProjectName());
mock.setRevision(access.getRevision());
mock.setLocal(Collections.<AccessSection> emptyList());
mock.setOwnerOf(Collections.<String> emptySet());
driver.edit(mock);
}
@UiHandler(value = {"cancel1", "cancel2"})
void onCancel(@SuppressWarnings("unused") ClickEvent event) {
Gerrit.display(PageLinks.toProjectAcceess(getProjectKey()));
}
@UiHandler("commit")
void onCommit(@SuppressWarnings("unused") ClickEvent event) {
final ProjectAccess access = driver.flush();
if (driver.hasErrors()) {
Window.alert(Util.C.errorsMustBeFixed());
return;
}
String message = commitMessage.getText().trim();
if ("".equals(message)) {
message = null;
}
enable(false);
Util.PROJECT_SVC.changeProjectAccess( //
getProjectKey(), //
access.getRevision(), //
message, //
access.getLocal(), //
access.getInheritsFrom(), //
new GerritCallback<ProjectAccess>() {
@Override
public void onSuccess(ProjectAccess newAccess) {
enable(true);
commitMessage.setText("");
error.clear();
final Set<String> diffs = getDiffs(access, newAccess);
if (diffs.isEmpty()) {
displayReadOnly(newAccess);
} else {
error.add(new Label(Gerrit.C.projectAccessError()));
for (final String diff : diffs) {
error.add(new Label(diff));
}
if (access.canUpload()) {
error.add(new Label(Gerrit.C.projectAccessProposeForReviewHint()));
}
}
}
private Set<String> getDiffs(ProjectAccess wantedAccess,
ProjectAccess newAccess) {
List<AccessSection> wantedSections =
mergeSections(removeEmptyPermissionsAndSections(wantedAccess.getLocal()));
List<AccessSection> newSections =
removeEmptyPermissionsAndSections(newAccess.getLocal());
HashSet<AccessSection> same = new HashSet<>(wantedSections);
HashSet<AccessSection> different =
new HashSet<>(wantedSections.size() + newSections.size());
different.addAll(wantedSections);
different.addAll(newSections);
same.retainAll(newSections);
different.removeAll(same);
Set<String> differentNames = new HashSet<>();
for (AccessSection s : different) {
differentNames.add(s.getName());
}
return differentNames;
}
@Override
public void onFailure(Throwable caught) {
error.clear();
enable(true);
if (caught instanceof RemoteJsonException
&& caught.getMessage().startsWith(
UpdateParentFailedException.MESSAGE)) {
new ErrorDialog(Gerrit.M.parentUpdateFailed(caught.getMessage()
.substring(UpdateParentFailedException.MESSAGE.length() + 1)))
.center();
} else {
super.onFailure(caught);
}
}
});
}
@UiHandler("review")
void onReview(@SuppressWarnings("unused") ClickEvent event) {
final ProjectAccess access = driver.flush();
if (driver.hasErrors()) {
Window.alert(Util.C.errorsMustBeFixed());
return;
}
String message = commitMessage.getText().trim();
if ("".equals(message)) {
message = null;
}
enable(false);
Util.PROJECT_SVC.reviewProjectAccess( //
getProjectKey(), //
access.getRevision(), //
message, //
access.getLocal(), //
access.getInheritsFrom(), //
new GerritCallback<Change.Id>() {
@Override
public void onSuccess(Change.Id changeId) {
enable(true);
commitMessage.setText("");
error.clear();
if (changeId != null) {
Gerrit.display(PageLinks.toChange(changeId));
} else {
displayReadOnly(access);
}
}
@Override
public void onFailure(Throwable caught) {
error.clear();
enable(true);
super.onFailure(caught);
}
});
}
private void enable(boolean enabled) {
commitMessage.setEnabled(enabled);
commit.setEnabled(enabled && !access.getOwnerOf().isEmpty());
review.setEnabled(enabled && access.canUpload());
cancel1.setEnabled(enabled);
cancel2.setEnabled(enabled);
}
}