zulip/static/js/rows.js

118 lines
3.5 KiB
JavaScript

var rows = (function () {
var exports = {};
// We don't need an andSelf() here because we already know
// that our next element is *not* a message_row, so this
// isn't going to end up empty unless we're at the bottom or top.
exports.next_visible = function (message_row) {
if (message_row === undefined || message_row.length === 0) {
return $();
}
var row = message_row.next('.selectable_row');
if (row.length !== 0) {
return row;
}
var recipient_row = exports.get_message_recipient_row(message_row);
var next_recipient_rows = $(recipient_row).nextAll('.recipient_row');
if (next_recipient_rows.length === 0) {
return $();
}
return $('.selectable_row', next_recipient_rows[0]).first();
};
exports.prev_visible = function (message_row) {
if (message_row === undefined || message_row.length === 0) {
return $();
}
var row = message_row.prev('.selectable_row');
if (row.length !== 0) {
return row;
}
var recipient_row = exports.get_message_recipient_row(message_row);
var prev_recipient_rows = $(recipient_row).prevAll('.recipient_row');
if (prev_recipient_rows.length === 0) {
return $();
}
return $('.selectable_row', prev_recipient_rows[0]).last();
};
exports.first_visible = function () {
return $('.focused_table .selectable_row').first();
};
exports.last_visible = function () {
return $('.focused_table .selectable_row').last();
};
exports.id = function (message_row) {
return parseFloat(message_row.attr('zid'));
};
var valid_table_names = {
zhome: true,
zfilt: true,
};
exports.get_table = function (table_name) {
if (!valid_table_names.hasOwnProperty(table_name)) {
return $();
}
return $('#' + table_name);
};
exports.get_message_id = function (elem) {
// Gets the message_id for elem, where elem is a DOM
// element inside a message. This is typically used
// in click handlers for things like the reaction button.
var row = $(elem).closest(".message_row");
var message_id = exports.id(row);
return message_id;
};
exports.get_closest_group = function (element) {
// This gets the closest message row to an element, whether it's
// a recipient bar or message. With our current markup,
// this is the most reliable way to do it.
return $(element).closest("div.recipient_row");
};
exports.first_message_in_group = function (message_group) {
return $('div.message_row', message_group).first();
};
exports.get_message_recipient_row = function (message_row) {
return $(message_row).parent('.recipient_row').expectOne();
};
exports.get_message_recipient_header = function (message_row) {
return $(message_row).parent('.recipient_row').find('.message_header').expectOne();
};
exports.recipient_from_group = function (message_group) {
return message_store.get(exports.id($(message_group).children('.message_row').first().expectOne()));
};
exports.id_for_recipient_row = function (recipient_row) {
// A recipient row can be either a normal recipient row, or
// the FRB, which is a fake recipient row. If it's a FRB, it has
// a 'zid' property that stores the message id it is directly over
var msg_row = exports.first_message_in_group(recipient_row);
if (msg_row.length === 0) {
// If we're narrowing from the FRB, take the msg id
// directly from it
return exports.id(recipient_row);
}
return exports.id(msg_row);
};
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = rows;
}
window.rows = rows;