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// Copyright (C) 2010 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.changes;
import com.google.gerrit.client.ErrorDialog;
import com.google.gerrit.client.Gerrit;
import com.google.gerrit.client.ui.ChangeLink;
import com.google.gerrit.client.ui.CommentLinkProcessor;
import com.google.gerrit.client.ui.CommentedActionDialog;
import com.google.gerrit.client.ui.TextBoxChangeListener;
import com.google.gerrit.common.PageLinks;
import com.google.gerrit.common.data.ChangeDetail;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.PreElement;
import com.google.gwt.dom.client.Style.Display;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwtexpui.clippy.client.CopyableLabel;
import com.google.gwtexpui.globalkey.client.KeyCommandSet;
import com.google.gwtexpui.safehtml.client.SafeHtml;
import com.google.gwtexpui.safehtml.client.SafeHtmlBuilder;
import com.google.gwtjsonrpc.common.AsyncCallback;
public class CommitMessageBlock extends Composite {
interface Binder extends UiBinder<HTMLPanel, CommitMessageBlock> {
}
private static Binder uiBinder = GWT.create(Binder.class);
private KeyCommandSet keysAction;
@UiField
SimplePanel starPanel;
@UiField
FlowPanel permalinkPanel;
@UiField
PreElement commitSummaryPre;
@UiField
PreElement commitBodyPre;
public CommitMessageBlock() {
initWidget(uiBinder.createAndBindUi(this));
}
public CommitMessageBlock(KeyCommandSet keysAction) {
this.keysAction = keysAction;
initWidget(uiBinder.createAndBindUi(this));
}
public void display(final String commitMessage) {
display(null, null, false, commitMessage);
}
private abstract class CommitMessageEditDialog extends CommentedActionDialog<ChangeDetail> {
private final String originalMessage;
public CommitMessageEditDialog(final String title, final String heading,
final String commitMessage, AsyncCallback<ChangeDetail> callback) {
super(title, heading, callback);
originalMessage = commitMessage.trim();
message.setCharacterWidth(72);
message.setVisibleLines(20);
message.setText(originalMessage);
message.addStyleName(Gerrit.RESOURCES.css().changeScreenDescription());
sendButton.setEnabled(false);
new TextBoxChangeListener(message) {
public void onTextChanged(String newText) {
// Trim the new text so we don't consider trailing
// newlines as changes
sendButton.setEnabled(!newText.trim().equals(originalMessage));
}
};
}
public String getMessageText() {
// As we rely on commit message lines ending in LF, we convert CRLF to
// LF. Additionally, the commit message should be trimmed to remove any
// excess newlines at the end, but we need to make sure it still has at
// least one trailing newline.
return message.getText().replaceAll("\r\n", "\n").trim() + '\n';
}
}
public void display(final PatchSet.Id patchSetId,
Boolean starred, Boolean canEditCommitMessage, final String commitMessage) {
starPanel.clear();
if (patchSetId != null && starred != null && Gerrit.isSignedIn()) {
Change.Id changeId = patchSetId.getParentKey();
StarredChanges.Icon star = StarredChanges.createIcon(changeId, starred);
star.setStyleName(Gerrit.RESOURCES.css().changeScreenStarIcon());
starPanel.add(star);
if (keysAction != null) {
keysAction.add(StarredChanges.newKeyCommand(star));
}
}
permalinkPanel.clear();
if (patchSetId != null) {
final Change.Id changeId = patchSetId.getParentKey();
permalinkPanel.add(new ChangeLink(Util.C.changePermalink(), changeId));
permalinkPanel.add(new CopyableLabel(ChangeLink.permalink(changeId),
false));
if (canEditCommitMessage) {
final Image edit = new Image(Gerrit.RESOURCES.edit());
edit.setTitle(Util.C.editCommitMessageToolTip());
edit.addStyleName(Gerrit.RESOURCES.css().link());
edit.addClickHandler(new ClickHandler() {
@Override
public void onClick(final ClickEvent event) {
new CommitMessageEditDialog(Util.C.titleEditCommitMessage(),
Util.C.headingEditCommitMessage(),
commitMessage,
new ChangeDetailCache.IgnoreErrorCallback() {}) {
@Override
public void onSend() {
Util.MANAGE_SVC.createNewPatchSet(patchSetId, getMessageText(),
new AsyncCallback<ChangeDetail>() {
@Override
public void onSuccess(ChangeDetail result) {
Gerrit.display(PageLinks.toChange(changeId));
hide();
}
@Override
public void onFailure(Throwable caught) {
enableButtons(true);
new ErrorDialog(caught.getMessage()).center();
}
});
}
}.center();
}
});
permalinkPanel.add(edit);
}
}
String[] splitCommitMessage = commitMessage.split("\n", 2);
String commitSummary = splitCommitMessage[0];
String commitBody = "";
if (splitCommitMessage.length > 1) {
commitBody = splitCommitMessage[1];
}
// Linkify commit summary
SafeHtml commitSummaryLinkified = new SafeHtmlBuilder().append(commitSummary);
commitSummaryLinkified = commitSummaryLinkified.linkify();
commitSummaryLinkified = CommentLinkProcessor.apply(commitSummaryLinkified);
commitSummaryPre.setInnerHTML(commitSummaryLinkified.asString());
// Hide commit body if there is no body
if (commitBody.trim().isEmpty()) {
commitBodyPre.getStyle().setDisplay(Display.NONE);
} else {
// Linkify commit body
SafeHtml commitBodyLinkified = new SafeHtmlBuilder().append(commitBody);
commitBodyLinkified = commitBodyLinkified.linkify();
commitBodyLinkified = CommentLinkProcessor.apply(commitBodyLinkified);
commitBodyLinkified = commitBodyLinkified.replaceAll("\n\n", "<p></p>");
commitBodyLinkified = commitBodyLinkified.replaceAll("\n", "<br />");
commitBodyPre.setInnerHTML(commitBodyLinkified.asString());
}
}
}
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