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import $ from 'jquery';
import { FileTemplateExtension } from '~/editor/extensions/source_editor_file_template_ext';
import SourceEditor from '~/editor/source_editor';
import { getBlobLanguage } from '~/editor/utils';
import createFlash from '~/flash';
import axios from '~/lib/utils/axios_utils';
import { addEditorMarkdownListeners } from '~/lib/utils/text_markdown';
import { insertFinalNewline } from '~/lib/utils/text_utility';
import TemplateSelectorMediator from '../blob/file_template_mediator';
import { BLOB_EDITOR_ERROR, BLOB_PREVIEW_ERROR } from './constants';
export default class EditBlob {
// The options object has:
// assetsPath, filePath, currentAction, projectId, isMarkdown
constructor(options) {
this.options = options;
this.configureMonacoEditor();
if (this.options.isMarkdown) {
this.fetchMarkdownExtension();
}
this.initModePanesAndLinks();
this.initFileSelectors();
this.initSoftWrap();
this.editor.focus();
}
fetchMarkdownExtension() {
import('~/editor/extensions/source_editor_markdown_ext')
.then(({ EditorMarkdownExtension: MarkdownExtension } = {}) => {
this.editor.use(
new MarkdownExtension({ instance: this.editor, projectPath: this.options.projectPath }),
);
this.hasMarkdownExtension = true;
addEditorMarkdownListeners(this.editor);
})
.catch((e) =>
createFlash({
message: `${BLOB_EDITOR_ERROR}: ${e}`,
}),
);
}
configureMonacoEditor() {
const editorEl = document.getElementById('editor');
const fileNameEl = document.getElementById('file_path') || document.getElementById('file_name');
const fileContentEl = document.getElementById('file-content');
const form = document.querySelector('.js-edit-blob-form');
this.hasMarkdownExtension = false;
const rootEditor = new SourceEditor();
this.editor = rootEditor.createInstance({
el: editorEl,
blobPath: fileNameEl.value,
blobContent: editorEl.innerText,
});
this.editor.use(new FileTemplateExtension({ instance: this.editor }));
fileNameEl.addEventListener('change', () => {
this.editor.updateModelLanguage(fileNameEl.value);
const newLang = getBlobLanguage(fileNameEl.value);
if (newLang === 'markdown') {
if (!this.hasMarkdownExtension) {
this.fetchMarkdownExtension();
}
}
});
form.addEventListener('submit', () => {
fileContentEl.value = insertFinalNewline(this.editor.getValue());
});
}
initFileSelectors() {
const { currentAction, projectId } = this.options;
this.fileTemplateMediator = new TemplateSelectorMediator({
currentAction,
editor: this.editor,
projectId,
});
}
initModePanesAndLinks() {
this.$editModePanes = $('.js-edit-mode-pane');
this.$editModeLinks = $('.js-edit-mode a');
this.$editModeLinks.on('click', (e) => this.editModeLinkClickHandler(e));
}
editModeLinkClickHandler(e) {
e.preventDefault();
const currentLink = $(e.target);
const paneId = currentLink.attr('href');
const currentPane = this.$editModePanes.filter(paneId);
this.$editModeLinks.parent().removeClass('active hover');
currentLink.parent().addClass('active hover');
this.$editModePanes.hide();
currentPane.show();
if (paneId === '#preview') {
this.$toggleButton.hide();
axios
.post(currentLink.data('previewUrl'), {
content: this.editor.getValue(),
})
.then(({ data }) => {
currentPane.empty().append(data);
currentPane.renderGFM();
})
.catch(() =>
createFlash({
message: BLOB_PREVIEW_ERROR,
}),
);
}
this.$toggleButton.show();
return this.editor.focus();
}
initSoftWrap() {
this.isSoftWrapped = true;
this.$toggleButton = $('.soft-wrap-toggle');
this.$toggleButton.toggleClass('soft-wrap-active', this.isSoftWrapped);
this.$toggleButton.on('click', () => this.toggleSoftWrap());
}
toggleSoftWrap() {
this.isSoftWrapped = !this.isSoftWrapped;
this.$toggleButton.toggleClass('soft-wrap-active', this.isSoftWrapped);
this.editor.updateOptions({ wordWrap: this.isSoftWrapped ? 'on' : 'off' });
}
}
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