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Template.editor.onRendered(() => {
const $textarea = this.$('textarea');
autosize($textarea);
$textarea.escapeableTextComplete([
// Emoji
{
match: /\B:([\-+\w]*)$/,
search(term, callback) {
callback(Emoji.values.map((emoji) => {
return emoji.includes(term) ? emoji : null;
}));
},
template(value) {
const imgSrc = Emoji.baseImagePath + value;
const image = `<img src="${imgSrc}.png" />`;
return image + value;
},
replace(value) {
return `:${value}:`;
},
index: 1,
},
// User mentions
{
match: /\B@(\w*)$/,
search(term, callback) {
const currentBoard = Boards.findOne(Session.get('currentBoard'));
callback(currentBoard.activeMembers().map((member) => {
const username = Users.findOne(member.userId).username;
return username.includes(term) ? username : null;
}));
},
template(value) {
return value;
},
replace(username) {
return `@${username} `;
},
index: 1,
},
]);
});
// XXX I believe we should compute a HTML rendered field on the server that
// would handle markdown, emoji and user mentions. We can simply have two
// fields, one source, and one compiled version (in HTML) and send only the
// compiled version to most users -- who don't need to edit.
// In the meantime, all the transformation are done on the client using the
// Blaze API.
const at = HTML.CharRef({html: '@', str: '@'});
Blaze.Template.registerHelper('mentions', new Template('mentions', function() {
const view = this;
const currentBoard = Boards.findOne(Session.get('currentBoard'));
const knowedUsers = currentBoard.members.map((member) => {
member.username = Users.findOne(member.userId).username;
return member;
});
const mentionRegex = /\B@(\w*)/gi;
let content = Blaze.toHTML(view.templateContentBlock);
let currentMention, knowedUser, linkClass, linkValue, link;
while (Boolean(currentMention = mentionRegex.exec(content))) {
knowedUser = _.findWhere(knowedUsers, { username: currentMention[1] });
if (!knowedUser)
continue;
linkValue = [' ', at, knowedUser.username];
linkClass = 'atMention js-open-member';
if (knowedUser.userId === Meteor.userId())
linkClass += ' me';
link = HTML.A({
'class': linkClass,
// XXX Hack. Since we stringify this render function result below with
// `Blaze.toHTML` we can't rely on blaze data contexts to pass the
// `userId` to the popup as usual, and we need to store it in the DOM
// using a data attribute.
'data-userId': knowedUser.userId,
}, linkValue);
content = content.replace(currentMention[0], Blaze.toHTML(link));
}
return HTML.Raw(content);
}));
Template.viewer.events({
'click .js-open-member'(evt, tpl) {
const userId = evt.currentTarget.dataset.userid;
Popup.open('member').call({ userId }, evt, tpl);
},
// Viewer sometimes have click-able wrapper around them (for instance to edit
// the corresponding text). Clicking a link shouldn't fire these actions, stop
// we stop these event at the viewer component level.
'click a'(evt) {
evt.stopPropagation();
// XXX We hijack the build-in browser action because we currently don't have
// `_blank` attributes in viewer links, and the transformer function is
// handled by a third party package that we can't configure easily. Fix that
// by using directly `_blank` attribute in the rendered HTML.
evt.preventDefault();
const href = evt.currentTarget.href;
if (href) {
window.open(href, '_blank');
}
},
});
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