mirror of https://github.com/zulip/zulip.git
118 lines
3.9 KiB
JavaScript
118 lines
3.9 KiB
JavaScript
var message_edit = (function () {
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var exports = {};
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var currently_editing_messages = {};
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exports.save = function (row) {
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var msg_list = current_msg_list;
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var message = current_msg_list.get(rows.id(row));
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var new_subject = row.find(".message_edit_subject").val();
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var new_content = row.find(".message_edit_content").val();
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var request = {message_id: message.id};
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if (new_subject !== message.subject) {
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request.subject = new_subject;
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}
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if (new_content !== message.raw_content) {
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request.content = new_content;
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}
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if (request.subject === undefined &&
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request.content === undefined) {
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// If they didn't change anything, just cancel it.
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return message_edit.end(row);
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}
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$.ajax({
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type: 'POST',
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url: '/json/update_message',
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data: request,
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dataType: 'json',
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success: function (data) {
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if (msg_list === current_msg_list) {
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message_edit.end(row);
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}
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},
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error: function (xhr, error_type, xhn) {
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var message = util.xhr_error_message("Error saving edit", xhr);
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row.find(".message_edit_error").text(message).show();
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}
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});
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// The message will automatically get replaced when it arrives.
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};
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function edit_message (row, raw_content) {
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var content_top = row.find('.message_content')[0]
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.getBoundingClientRect().top;
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var message = current_msg_list.get(rows.id(row));
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var edit_row = row.find(".message_edit");
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var form = $(templates.render('message_edit_form',
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{is_stream: message.is_stream,
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subject: message.subject,
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content: raw_content}));
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var edit_obj = {form: form, raw_content: raw_content};
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current_msg_list.show_edit_message(row, edit_obj);
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currently_editing_messages[message.id] = edit_obj;
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if (message.subject === compose.empty_subject_placeholder()) {
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edit_row.find(".message_edit_subject").focus();
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} else {
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edit_row.find(".message_edit_content").focus();
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}
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// Scroll to keep the message content in the same place
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var edit_top = edit_row.find('.message_edit_content')[0]
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.getBoundingClientRect().top;
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var scroll_by = edit_top - content_top + 5 /* border and padding */;
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edit_obj.scrolled_by = scroll_by;
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viewport.scrollTop(viewport.scrollTop() + scroll_by);
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}
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exports.start = function (row) {
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var message = current_msg_list.get(rows.id(row));
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var msg_list = current_msg_list;
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$.ajax({
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type: 'POST',
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url: '/json/fetch_raw_message',
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data: {message_id: message.id},
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dataType: 'json',
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success: function (data) {
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if (current_msg_list === msg_list) {
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message.raw_content = data.raw_content;
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edit_message(row, data.raw_content);
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}
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}
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});
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};
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exports.is_editing = function (id) {
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return currently_editing_messages[id] !== undefined;
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};
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exports.end = function (row) {
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var message = current_msg_list.get(rows.id(row));
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if (currently_editing_messages[message.id] !== undefined) {
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var scroll_by = currently_editing_messages[message.id].scrolled_by;
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viewport.scrollTop(viewport.scrollTop() - scroll_by);
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delete currently_editing_messages[message.id];
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current_msg_list.hide_edit_message(row);
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}
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};
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exports.maybe_show_edit = function (row, id) {
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if (currently_editing_messages[id] !== undefined){
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current_msg_list.show_edit_message(row, currently_editing_messages[id]);
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}
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};
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$(document).on('narrow_deactivated.zulip', function (event) {
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_.each(currently_editing_messages, function (elem, idx) {
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if (current_msg_list.get(idx) !== undefined) {
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var row = rows.get(idx, current_msg_list.table_name);
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current_msg_list.show_edit_message(row, elem);
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}
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});
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});
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return exports;
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}());
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