zulip/static/js/compose_state.js

60 lines
1.7 KiB
JavaScript

var compose_state = (function () {
var exports = {};
var message_type = false; // 'stream', 'private', or false-y
exports.set_message_type = function (msg_type) {
message_type = msg_type;
};
exports.get_message_type = function () {
return message_type;
};
exports.composing = function () {
// This is very similar to get_message_type(), but it returns
// a boolean.
return !!message_type;
};
exports.focus_in_empty_compose = function () {
return (
exports.composing() &&
exports.message_content() === "" &&
$('#new_message_content').is(':focus'));
};
function get_or_set(fieldname, keep_leading_whitespace) {
// We can't hoist the assignment of 'elem' out of this lambda,
// because the DOM element might not exist yet when get_or_set
// is called.
return function (newval) {
var elem = $('#'+fieldname);
var oldval = elem.val();
if (newval !== undefined) {
elem.val(newval);
}
return keep_leading_whitespace ? util.rtrim(oldval) : $.trim(oldval);
};
}
// TODO: Break out setters and getter into their own functions.
exports.stream_name = get_or_set('stream');
exports.subject = get_or_set('subject');
// We can't trim leading whitespace in `new_message_content` because
// of the indented syntax for multi-line code blocks.
exports.message_content = get_or_set('new_message_content', true);
exports.recipient = get_or_set('private_message_recipient');
exports.has_message_content = function () {
return exports.message_content() !== "";
};
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = compose_state;
}