mirror of https://github.com/zulip/zulip.git
65 lines
1.7 KiB
JavaScript
65 lines
1.7 KiB
JavaScript
var navigate = (function () {
|
|
|
|
var exports = {};
|
|
|
|
|
|
function go_to_row(row) {
|
|
current_msg_list.select_id(rows.id(row),
|
|
{then_scroll: true,
|
|
from_scroll: true});
|
|
}
|
|
|
|
exports.up = function () {
|
|
last_viewport_movement_direction = -1;
|
|
var next_row = rows.prev_visible(current_msg_list.selected_row());
|
|
if (next_row.length !== 0) {
|
|
go_to_row(next_row);
|
|
}
|
|
};
|
|
|
|
exports.down = function () {
|
|
last_viewport_movement_direction = 1;
|
|
var next_row = rows.next_visible(current_msg_list.selected_row());
|
|
if (next_row.length !== 0) {
|
|
go_to_row(next_row);
|
|
}
|
|
};
|
|
|
|
exports.to_home = function () {
|
|
last_viewport_movement_direction = -1;
|
|
var next_row = rows.first_visible(current_msg_list.selected_row());
|
|
if (next_row.length !== 0) {
|
|
go_to_row(next_row);
|
|
}
|
|
};
|
|
|
|
exports.to_end = function () {
|
|
var next_id = current_msg_list.last().id;
|
|
last_viewport_movement_direction = 1;
|
|
current_msg_list.select_id(next_id, {then_scroll: true,
|
|
from_scroll: true});
|
|
mark_current_list_as_read();
|
|
};
|
|
|
|
exports.page_up = function () {
|
|
if (viewport.at_top() && !current_msg_list.empty()) {
|
|
current_msg_list.select_id(current_msg_list.first().id, {then_scroll: false});
|
|
}
|
|
else {
|
|
ui.page_up_the_right_amount();
|
|
}
|
|
};
|
|
|
|
exports.page_down = function () {
|
|
if (viewport.at_bottom() && !current_msg_list.empty()) {
|
|
current_msg_list.select_id(current_msg_list.last().id, {then_scroll: false});
|
|
mark_current_list_as_read();
|
|
}
|
|
else {
|
|
ui.page_down_the_right_amount();
|
|
}
|
|
};
|
|
|
|
return exports;
|
|
}());
|