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import path from 'path';
import {TextBuffer} from 'atom';
import React from 'react';
import PropTypes from 'prop-types';
import {CompositeDisposable} from 'event-kit';
import fs from 'fs-extra';
import CommitView from '../views/commit-view';
import RefHolder from '../models/ref-holder';
import CommitPreviewItem from '../items/commit-preview-item';
import {AuthorPropType, UserStorePropType} from '../prop-types';
import {watchWorkspaceItem} from '../watch-workspace-item';
import {autobind} from '../helpers';
import {addEvent} from '../reporter-proxy';
export const COMMIT_GRAMMAR_SCOPE = 'text.git-commit';
export default class CommitController extends React.Component {
static focus = {
...CommitView.focus,
}
static propTypes = {
workspace: PropTypes.object.isRequired,
grammars: PropTypes.object.isRequired,
commandRegistry: PropTypes.object.isRequired,
config: PropTypes.object.isRequired,
tooltips: PropTypes.object.isRequired,
repository: PropTypes.object.isRequired,
isMerging: PropTypes.bool.isRequired,
mergeConflictsExist: PropTypes.bool.isRequired,
stagedChangesExist: PropTypes.bool.isRequired,
lastCommit: PropTypes.object.isRequired,
currentBranch: PropTypes.object.isRequired,
userStore: UserStorePropType.isRequired,
selectedCoAuthors: PropTypes.arrayOf(AuthorPropType),
updateSelectedCoAuthors: PropTypes.func,
prepareToCommit: PropTypes.func.isRequired,
commit: PropTypes.func.isRequired,
abortMerge: PropTypes.func.isRequired,
}
constructor(props, context) {
super(props, context);
autobind(this, 'commit', 'handleMessageChange', 'toggleExpandedCommitMessageEditor', 'grammarAdded',
'toggleCommitPreview');
this.subscriptions = new CompositeDisposable();
this.refCommitView = new RefHolder();
this.commitMessageBuffer = new TextBuffer({text: this.props.repository.getCommitMessage()});
this.subscriptions.add(
this.commitMessageBuffer.onDidChange(this.handleMessageChange),
);
this.previewWatcher = watchWorkspaceItem(
this.props.workspace,
CommitPreviewItem.buildURI(this.props.repository.getWorkingDirectoryPath()),
this,
'commitPreviewActive',
);
this.subscriptions.add(this.previewWatcher);
}
componentDidMount() {
this.subscriptions.add(
this.props.workspace.onDidAddTextEditor(({textEditor}) => {
if (this.props.repository.isPresent() && textEditor.getPath() === this.getCommitMessagePath()) {
const grammar = this.props.grammars.grammarForScopeName(COMMIT_GRAMMAR_SCOPE);
if (grammar) {
textEditor.setGrammar(grammar);
}
}
}),
this.props.workspace.onDidDestroyPaneItem(async ({item}) => {
if (this.props.repository.isPresent() && item.getPath && item.getPath() === this.getCommitMessagePath() &&
this.getCommitMessageEditors().length === 0) {
// we closed the last editor pointing to the commit message file
try {
this.commitMessageBuffer.setText(await fs.readFile(this.getCommitMessagePath(), {encoding: 'utf8'}));
} catch (e) {
if (e.code !== 'ENOENT') {
throw e;
}
}
}
}),
);
}
render() {
const operationStates = this.props.repository.getOperationStates();
return (
<CommitView
ref={this.refCommitView.setter}
workspace={this.props.workspace}
tooltips={this.props.tooltips}
config={this.props.config}
stagedChangesExist={this.props.stagedChangesExist}
mergeConflictsExist={this.props.mergeConflictsExist}
prepareToCommit={this.props.prepareToCommit}
commit={this.commit}
abortMerge={this.props.abortMerge}
commandRegistry={this.props.commandRegistry}
maximumCharacterLimit={72}
messageBuffer={this.commitMessageBuffer}
isMerging={this.props.isMerging}
isCommitting={operationStates.isCommitInProgress()}
lastCommit={this.props.lastCommit}
currentBranch={this.props.currentBranch}
toggleExpandedCommitMessageEditor={this.toggleExpandedCommitMessageEditor}
deactivateCommitBox={this.isCommitMessageEditorExpanded()}
userStore={this.props.userStore}
selectedCoAuthors={this.props.selectedCoAuthors}
updateSelectedCoAuthors={this.props.updateSelectedCoAuthors}
toggleCommitPreview={this.toggleCommitPreview}
activateCommitPreview={this.activateCommitPreview}
commitPreviewActive={this.state.commitPreviewActive}
/>
);
}
componentDidUpdate(prevProps) {
this.commitMessageBuffer.setTextViaDiff(this.getCommitMessage());
if (prevProps.repository !== this.props.repository) {
this.previewWatcher.setPattern(
CommitPreviewItem.buildURI(this.props.repository.getWorkingDirectoryPath()),
);
}
}
componentWillUnmount() {
this.subscriptions.dispose();
}
commit(message, coAuthors = [], amend = false) {
let msg, verbatim;
if (this.isCommitMessageEditorExpanded()) {
msg = this.getCommitMessageEditors()[0].getText();
verbatim = false;
} else {
const wrapMessage = this.props.config.get('github.automaticCommitMessageWrapping');
msg = wrapMessage ? wrapCommitMessage(message) : message;
verbatim = true;
}
return this.props.commit(msg.trim(), {amend, coAuthors, verbatim});
}
setCommitMessage(message, options) {
if (!this.props.repository.isPresent()) { return; }
this.props.repository.setCommitMessage(message, options);
}
getCommitMessage() {
return this.props.repository.getCommitMessage();
}
getCommitMessagePath() {
return path.join(this.props.repository.getGitDirectoryPath(), 'ATOM_COMMIT_EDITMSG');
}
handleMessageChange() {
if (!this.props.repository.isPresent()) {
return;
}
this.setCommitMessage(this.commitMessageBuffer.getText(), {suppressUpdate: true});
}
getCommitMessageEditors() {
if (!this.props.repository.isPresent()) {
return [];
}
return this.props.workspace.getTextEditors().filter(editor => editor.getPath() === this.getCommitMessagePath());
}
async toggleExpandedCommitMessageEditor(messageFromBox) {
if (this.isCommitMessageEditorExpanded()) {
if (this.commitMessageEditorIsInForeground()) {
await this.closeAllOpenCommitMessageEditors();
this.forceUpdate();
} else {
this.activateCommitMessageEditor();
}
} else {
await this.openCommitMessageEditor(messageFromBox);
this.forceUpdate();
}
}
isCommitMessageEditorExpanded() {
return this.getCommitMessageEditors().length > 0;
}
commitMessageEditorIsInForeground() {
const commitMessageEditorsInForeground = this.props.workspace.getPanes()
.map(pane => pane.getActiveItem())
.filter(item => item && item.getPath && item.getPath() === this.getCommitMessagePath());
return commitMessageEditorsInForeground.length > 0;
}
activateCommitMessageEditor() {
const panes = this.props.workspace.getPanes();
let editor;
const paneWithEditor = panes.find(pane => {
editor = pane.getItems().find(item => item.getPath && item.getPath() === this.getCommitMessagePath());
return !!editor;
});
paneWithEditor.activate();
paneWithEditor.activateItem(editor);
}
closeAllOpenCommitMessageEditors() {
return Promise.all(
this.props.workspace.getPanes().map(pane => {
return Promise.all(
pane.getItems().map(async item => {
if (item && item.getPath && item.getPath() === this.getCommitMessagePath()) {
const destroyed = await pane.destroyItem(item);
if (!destroyed) {
pane.activateItem(item);
}
}
}),
);
}),
);
}
async openCommitMessageEditor(messageFromBox) {
await fs.writeFile(this.getCommitMessagePath(), messageFromBox, 'utf8');
const commitEditor = await this.props.workspace.open(this.getCommitMessagePath());
addEvent('open-commit-message-editor', {package: 'github'});
const grammar = this.props.grammars.grammarForScopeName(COMMIT_GRAMMAR_SCOPE);
if (grammar) {
commitEditor.setGrammar(grammar);
} else {
this.grammarSubscription = this.props.grammars.onDidAddGrammar(this.grammarAdded);
this.subscriptions.add(this.grammarSubscription);
}
}
grammarAdded(grammar) {
if (grammar.scopeName !== COMMIT_GRAMMAR_SCOPE) { return; }
this.getCommitMessageEditors().forEach(editor => editor.setGrammar(grammar));
this.grammarSubscription.dispose();
}
getFocus(element) {
return this.refCommitView.map(view => view.getFocus(element)).getOr(null);
}
setFocus(focus) {
return this.refCommitView.map(view => view.setFocus(focus)).getOr(false);
}
advanceFocusFrom(...args) {
return this.refCommitView.map(view => view.advanceFocusFrom(...args)).getOr(false);
}
retreatFocusFrom(...args) {
return this.refCommitView.map(view => view.retreatFocusFrom(...args)).getOr(false);
}
toggleCommitPreview() {
addEvent('toggle-commit-preview', {package: 'github'});
const uri = CommitPreviewItem.buildURI(this.props.repository.getWorkingDirectoryPath());
if (this.props.workspace.hide(uri)) {
return Promise.resolve();
} else {
return this.props.workspace.open(uri, {searchAllPanes: true, pending: true});
}
}
activateCommitPreview = () => {
const uri = CommitPreviewItem.buildURI(this.props.repository.getWorkingDirectoryPath());
return this.props.workspace.open(uri, {searchAllPanes: true, pending: true, activate: true});
}
}
function wrapCommitMessage(message) {
// hard wrap message (except for first line) at 72 characters
let results = [];
message.split('\n').forEach((line, index) => {
if (line.length <= 72 || index === 0) {
results.push(line);
} else {
const matches = line.match(/.{1,72}(\s|$)|\S+?(\s|$)/g)
.map(match => {
return match.endsWith('\n') ? match.substr(0, match.length - 1) : match;
});
results = results.concat(matches);
}
});
return results.join('\n');
}
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