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// Copyright (C) 2013 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.change;
import com.google.gerrit.client.Gerrit;
import com.google.gerrit.client.changes.ChangeApi;
import com.google.gerrit.client.info.ChangeInfo;
import com.google.gerrit.client.rpc.GerritCallback;
import com.google.gerrit.client.ui.InlineHyperlink;
import com.google.gerrit.common.PageLinks;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyDownEvent;
import com.google.gwt.event.dom.client.KeyPressEvent;
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.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwtexpui.globalkey.client.NpTextBox;
/** Displays (and edits) the change topic string. */
class Topic extends Composite {
interface Binder extends UiBinder<HTMLPanel, Topic> {}
private static final Binder uiBinder = GWT.create(Binder.class);
private PatchSet.Id psId;
private boolean canEdit;
@UiField Element show;
@UiField InlineHyperlink text;
@UiField Image editIcon;
@UiField Element form;
@UiField NpTextBox input;
@UiField Button save;
@UiField Button cancel;
Topic() {
initWidget(uiBinder.createAndBindUi(this));
editIcon.addDomHandler(
new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
onEdit();
}
},
ClickEvent.getType());
}
void set(ChangeInfo info, String revision) {
canEdit = info.hasActions() && info.actions().containsKey("topic");
psId = new PatchSet.Id(info.legacyId(), info.revisions().get(revision)._number());
initTopicLink(info);
editIcon.setVisible(canEdit);
if (!canEdit) {
show.setTitle(null);
}
}
private void initTopicLink(ChangeInfo info) {
if (info.topic() != null && !info.topic().isEmpty()) {
String topic = info.topic();
text.setText(topic);
text.setTargetHistoryToken(PageLinks.topicQuery(info.status(), topic));
}
}
boolean canEdit() {
return canEdit;
}
void onEdit() {
if (canEdit) {
UIObject.setVisible(show, false);
UIObject.setVisible(form, true);
input.setText(text.getText());
input.setFocus(true);
input.selectAll();
}
}
@UiHandler("cancel")
void onCancel(@SuppressWarnings("unused") ClickEvent e) {
input.setFocus(false);
UIObject.setVisible(form, false);
UIObject.setVisible(show, true);
}
@UiHandler("input")
void onKeyDownInput(KeyDownEvent e) {
if (e.getNativeKeyCode() == KeyCodes.KEY_ESCAPE) {
onCancel(null);
} else if (e.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
e.stopPropagation();
e.preventDefault();
onSave(null);
}
}
@UiHandler("save")
void onSave(@SuppressWarnings("unused") ClickEvent e) {
ChangeApi.topic(
psId.getParentKey().get(),
input.getValue().trim(),
new GerritCallback<String>() {
@Override
public void onSuccess(String result) {
Gerrit.display(PageLinks.toChange(psId));
}
});
onCancel(null);
}
@UiHandler("save")
void onSaveKeyPress(KeyPressEvent e) {
if (e.getNativeEvent().getKeyCode() == KeyCodes.KEY_ENTER) {
e.stopPropagation();
}
}
}
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