zulip/static/js/message_edit.js

562 lines
21 KiB
JavaScript

var message_edit = (function () {
var exports = {};
var currently_editing_messages = {};
var editability_types = {
NO: 1,
NO_LONGER: 2,
// Note: TOPIC_ONLY does not include stream messages with no topic sent
// by someone else. You can edit the topic of such a message by editing
// the topic of the whole recipient_row it appears in, but you can't
// directly edit the topic of such a message.
// Similar story for messages whose topic you can change only because
// you are an admin.
TOPIC_ONLY: 3,
FULL: 4,
};
exports.editability_types = editability_types;
function get_editability(message, edit_limit_seconds_buffer) {
edit_limit_seconds_buffer = edit_limit_seconds_buffer || 0;
if (!message) {
return editability_types.NO;
}
if (!(message.sent_by_me || page_params.realm_allow_community_topic_editing)) {
return editability_types.NO;
}
if (message.failed_request) {
// TODO: For completely failed requests, we should be able
// to "edit" the message, but it won't really be like
// other message updates. This commit changed the result
// from FULL to NO, since the prior implementation was
// buggy.
return editability_types.NO;
}
// Locally echoed messages are not editable, since the message hasn't
// finished being sent yet.
if (message.locally_echoed) {
return editability_types.NO;
}
if (!page_params.realm_allow_message_editing) {
return editability_types.NO;
}
if (page_params.realm_message_content_edit_limit_seconds === 0 && message.sent_by_me) {
return editability_types.FULL;
}
var now = new XDate();
if ((page_params.realm_message_content_edit_limit_seconds + edit_limit_seconds_buffer +
now.diffSeconds(message.timestamp * 1000) > 0) && message.sent_by_me) {
return editability_types.FULL;
}
// TODO: Change hardcoded value (24 hrs) to be realm setting
if (!message.sent_by_me && (
86400 + edit_limit_seconds_buffer + now.diffSeconds(message.timestamp * 1000) <= 0)) {
return editability_types.NO;
}
// time's up!
if (message.type === 'stream') {
return editability_types.TOPIC_ONLY;
}
return editability_types.NO_LONGER;
}
exports.get_editability = get_editability;
// Returns true if the edit task should end.
exports.save = function (row, from_topic_edited_only) {
var msg_list = current_msg_list;
var message_id;
if (row.hasClass('recipient_row')) {
message_id = rows.id_for_recipient_row(row);
} else {
message_id = rows.id(row);
}
var message = current_msg_list.get(message_id);
var changed = false;
var new_content = row.find(".message_edit_content").val();
var topic_changed = false;
var new_topic;
if (message.type === "stream") {
if (from_topic_edited_only) {
new_topic = row.find(".inline_topic_edit").val();
} else {
new_topic = row.find(".message_edit_topic").val();
}
topic_changed = (new_topic !== message.subject && new_topic.trim() !== "");
}
// Editing a not-yet-acked message (because the original send attempt failed)
// just results in the in-memory message being changed
if (message.locally_echoed) {
if (new_content !== message.raw_content || topic_changed) {
echo.edit_locally(message, new_content, topic_changed ? new_topic : undefined);
row = current_msg_list.get_row(message_id);
}
message_edit.end(row);
return;
}
var request = {message_id: message.id};
if (topic_changed) {
request.subject = new_topic;
if (feature_flags.propagate_topic_edits) {
var selected_topic_propagation = row.find("select.message_edit_topic_propagate").val() || "change_later";
request.propagate_mode = selected_topic_propagation;
}
changed = true;
}
if (new_content !== message.raw_content && !from_topic_edited_only) {
request.content = new_content;
changed = true;
}
if (!changed) {
// If they didn't change anything, just cancel it.
message_edit.end(row);
return;
}
channel.patch({
url: '/json/messages/' + message.id,
data: request,
success: function () {
var spinner = row.find(".topic_edit_spinner");
loading.destroy_indicator(spinner);
},
error: function (xhr) {
if (msg_list === current_msg_list) {
var message = channel.xhr_error_message(i18n.t("Error saving edit"), xhr);
row.find(".edit_error").text(message).show();
}
},
});
// The message will automatically get replaced via message_list.update_message.
};
exports.update_message_topic_editing_pencil = function () {
if (page_params.realm_allow_message_editing) {
$(".on_hover_topic_edit, .always_visible_topic_edit").show();
} else {
$(".on_hover_topic_edit, .always_visible_topic_edit").hide();
}
};
exports.show_topic_edit_spinner = function (row) {
var spinner = row.find(".topic_edit_spinner");
loading.make_indicator(spinner);
$(spinner).removeAttr("style");
$(".topic_edit_save").hide();
$(".topic_edit_cancel").hide();
};
function handle_edit_keydown(from_topic_edited_only, e) {
var row;
var code = e.keyCode || e.which;
if ($(e.target).hasClass("message_edit_content") && code === 13 &&
(e.metaKey || e.ctrlKey)) {
row = $(".message_edit_content").filter(":focus").closest(".message_row");
} else if (e.target.id === "message_edit_topic" && code === 13) {
row = $(e.target).closest(".message_row");
} else if (e.target.id === "inline_topic_edit" && code === 13) {
row = $(e.target).closest(".recipient_row");
exports.show_topic_edit_spinner(row);
} else {
return;
}
e.stopPropagation();
e.preventDefault();
message_edit.save(row, from_topic_edited_only);
}
function timer_text(seconds_left) {
var minutes = Math.floor(seconds_left / 60);
var seconds = seconds_left % 60;
if (minutes >= 1) {
return i18n.t("__minutes__ min to edit", {minutes: minutes.toString()});
} else if (seconds_left >= 10) {
return i18n.t("__seconds__ sec to edit", {seconds: (seconds - seconds % 5).toString()});
}
return i18n.t("__seconds__ sec to edit", {seconds: seconds.toString()});
}
function edit_message(row, raw_content) {
row.find(".message_reactions").hide();
condense.hide_message_expander(row);
var content_top = row.find('.message_content')[0]
.getBoundingClientRect().top;
var message = current_msg_list.get(rows.id(row));
// We potentially got to this function by clicking a button that implied the
// user would be able to edit their message. Give a little bit of buffer in
// case the button has been around for a bit, e.g. we show the
// edit_content_button (hovering pencil icon) as long as the user would have
// been able to click it at the time the mouse entered the message_row. Also
// a buffer in case their computer is slow, or stalled for a second, etc
// If you change this number also change edit_limit_buffer in
// zerver.views.messages.update_message_backend
var seconds_left_buffer = 5;
var editability = get_editability(message, seconds_left_buffer);
var is_editable = (editability === message_edit.editability_types.TOPIC_ONLY ||
editability === message_edit.editability_types.FULL);
var form = $(templates.render(
'message_edit_form',
{is_stream: (message.type === 'stream'),
message_id: message.id,
is_editable: is_editable,
has_been_editable: (editability !== editability_types.NO),
topic: message.subject,
content: raw_content,
minutes_to_edit: Math.floor(page_params.realm_message_content_edit_limit_seconds / 60)}));
var edit_obj = {form: form, raw_content: raw_content};
currently_editing_messages[message.id] = edit_obj;
current_msg_list.show_edit_message(row, edit_obj);
form.keydown(_.partial(handle_edit_keydown, false));
upload.feature_check($('#attach_files_' + rows.id(row)));
var message_edit_content = row.find('textarea.message_edit_content');
var message_edit_topic = row.find('input.message_edit_topic');
var message_edit_topic_propagate = row.find('select.message_edit_topic_propagate');
var message_edit_countdown_timer = row.find('.message_edit_countdown_timer');
var copy_message = row.find('.copy_message');
if (editability === editability_types.NO) {
message_edit_content.prop("readonly", "readonly");
message_edit_topic.prop("readonly", "readonly");
new ClipboardJS(copy_message[0]);
} else if (editability === editability_types.NO_LONGER) {
// You can currently only reach this state in non-streams. If that
// changes (e.g. if we stop allowing topics to be modified forever
// in streams), then we'll need to disable
// row.find('input.message_edit_topic') as well.
message_edit_content.prop("readonly", "readonly");
message_edit_countdown_timer.text(i18n.t("View source"));
new ClipboardJS(copy_message[0]);
} else if (editability === editability_types.TOPIC_ONLY) {
message_edit_content.prop("readonly", "readonly");
// Hint why you can edit the topic but not the message content
message_edit_countdown_timer.text(i18n.t("Topic editing only"));
new ClipboardJS(copy_message[0]);
} else if (editability === editability_types.FULL) {
copy_message.remove();
var edit_id = "#message_edit_content_" + rows.id(row);
var listeners = resize.watch_manual_resize(edit_id);
if (listeners) {
currently_editing_messages[rows.id(row)].listeners = listeners;
}
composebox_typeahead.initialize_compose_typeahead(edit_id);
}
// Add tooltip
if (editability !== editability_types.NO &&
page_params.realm_message_content_edit_limit_seconds > 0) {
row.find('.message-edit-timer-control-group').show();
row.find('#message_edit_tooltip').tooltip({
animation: false,
placement: 'left',
template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div>' +
'<div class="tooltip-inner message-edit-tooltip-inner"></div></div>',
});
}
// add timer
if (editability === editability_types.FULL &&
page_params.realm_message_content_edit_limit_seconds > 0) {
// Give them at least 10 seconds.
// If you change this number also change edit_limit_buffer in
// zerver.views.messages.update_message_backend
var min_seconds_to_edit = 10;
var now = new XDate();
var seconds_left = page_params.realm_message_content_edit_limit_seconds +
now.diffSeconds(message.timestamp * 1000);
seconds_left = Math.floor(Math.max(seconds_left, min_seconds_to_edit));
// I believe this needs to be defined outside the countdown_timer, since
// row just refers to something like the currently selected message, and
// can change out from under us
var message_edit_save = row.find('button.message_edit_save');
// Do this right away, rather than waiting for the timer to do its first update,
// since otherwise there is a noticeable lag
message_edit_countdown_timer.text(timer_text(seconds_left));
var countdown_timer = setInterval(function () {
seconds_left -= 1;
if (seconds_left <= 0) {
clearInterval(countdown_timer);
message_edit_content.prop("readonly", "readonly");
if (message.type === 'stream') {
message_edit_topic.prop("readonly", "readonly");
message_edit_topic_propagate.hide();
}
// We don't go directly to a "TOPIC_ONLY" type state (with an active Save button),
// since it isn't clear what to do with the half-finished edit. It's nice to keep
// the half-finished edit around so that they can copy-paste it, but we don't want
// people to think "Save" will save the half-finished edit.
message_edit_save.addClass("disabled");
message_edit_countdown_timer.text(i18n.t("Time's up!"));
} else {
message_edit_countdown_timer.text(timer_text(seconds_left));
}
}, 1000);
}
if (!is_editable) {
row.find(".message_edit_close").focus();
} else if (message.type === 'stream' && message.subject === compose.empty_topic_placeholder()) {
message_edit_topic.val('');
message_edit_topic.focus();
} else if (editability === editability_types.TOPIC_ONLY) {
row.find(".message_edit_cancel").focus();
} else {
message_edit_content.focus();
// Put cursor at end of input.
var contents = message_edit_content.val();
message_edit_content.val('');
message_edit_content.val(contents);
}
// Scroll to keep the message content in the same place
var edit_top = message_edit_content[0].getBoundingClientRect().top;
var scroll_by = edit_top - content_top + 5 /* border and padding */;
edit_obj.scrolled_by = scroll_by;
message_viewport.scrollTop(message_viewport.scrollTop() + scroll_by);
if (feature_flags.propagate_topic_edits && !message.locally_echoed) {
var original_topic = message.subject;
message_edit_topic.keyup(function () {
var new_topic = message_edit_topic.val();
message_edit_topic_propagate.toggle(new_topic !== original_topic && new_topic !== "");
});
}
}
function start_edit_maintaining_scroll(row, content) {
edit_message(row, content);
var row_bottom = row.height() + row.offset().top;
var composebox_top = $("#compose").offset().top;
if (row_bottom > composebox_top) {
message_viewport.scrollTop(message_viewport.scrollTop() + row_bottom - composebox_top);
}
}
function start_edit_with_content(row, content, edit_box_open_callback) {
start_edit_maintaining_scroll(row, content);
if (edit_box_open_callback) {
edit_box_open_callback();
}
row.find('#message_edit_form').filedrop(
upload.options({
mode: 'edit',
row: rows.id(row),
})
);
}
exports.start = function (row, edit_box_open_callback) {
var message = current_msg_list.get(rows.id(row));
if (message === undefined) {
blueslip.error("Couldn't find message ID for edit " + rows.id(row));
return;
}
if (message.raw_content) {
start_edit_with_content(row, message.raw_content, edit_box_open_callback);
return;
}
var msg_list = current_msg_list;
channel.get({
url: '/json/messages/' + message.id,
idempotent: true,
success: function (data) {
if (current_msg_list === msg_list) {
message.raw_content = data.raw_content;
start_edit_with_content(row, message.raw_content, edit_box_open_callback);
}
},
});
};
exports.start_topic_edit = function (recipient_row) {
var form = $(templates.render('topic_edit_form'));
current_msg_list.show_edit_topic(recipient_row, form);
form.keydown(_.partial(handle_edit_keydown, true));
var msg_id = rows.id_for_recipient_row(recipient_row);
var message = current_msg_list.get(msg_id);
var topic = message.subject;
if (topic === compose.empty_topic_placeholder()) {
topic = '';
}
form.find(".inline_topic_edit").val(topic).select().focus();
};
exports.is_editing = function (id) {
return currently_editing_messages[id] !== undefined;
};
exports.end = function (row) {
var message = current_msg_list.get(rows.id(row));
if (message !== undefined &&
currently_editing_messages[message.id] !== undefined) {
var scroll_by = currently_editing_messages[message.id].scrolled_by;
message_viewport.scrollTop(message_viewport.scrollTop() - scroll_by);
// Clean up resize event listeners
var listeners = currently_editing_messages[message.id].listeners;
var edit_box = document.querySelector("#message_edit_content_" + message.id);
if (listeners !== undefined) {
// Event listeners to cleanup are only set in some edit types
edit_box.removeEventListener("mousedown", listeners[0]);
document.body.removeEventListener("mouseup", listeners[1]);
}
delete currently_editing_messages[message.id];
current_msg_list.hide_edit_message(row);
}
if (row !== undefined) {
current_msg_list.hide_edit_topic(row);
}
condense.show_message_expander(row);
row.find(".message_reactions").show();
// We have to blur out text fields, or else hotkeys.js
// thinks we are still editing.
row.find(".message_edit").blur();
};
exports.maybe_show_edit = function (row, id) {
if (currently_editing_messages[id] !== undefined) {
current_msg_list.show_edit_message(row, currently_editing_messages[id]);
}
};
exports.edit_last_sent_message = function () {
var msg = current_msg_list.get_last_message_sent_by_me();
if (!msg) {
return;
}
if (!msg.id) {
blueslip.error('Message has invalid id in edit_last_sent_message.');
return;
}
var msg_editability_type = exports.get_editability(msg, 5);
if (msg_editability_type !== editability_types.FULL) {
return;
}
var msg_row = current_msg_list.get_row(msg.id);
if (!msg_row) {
// This should never happen, since we got the message above
// from current_msg_list.
blueslip.error('Could not find row for id ' + msg.id);
return;
}
current_msg_list.select_id(msg.id, {then_scroll: true, from_scroll: true});
// Finally do the real work!
compose_actions.cancel();
message_edit.start(msg_row, function () {
ui_util.focus_on('message_edit_content');
});
};
exports.show_history = function (message) {
$('#message-history').html('');
$('#message-edit-history').modal("show");
channel.get({
url: "/json/messages/" + message.id + "/history",
data: {message_id: JSON.stringify(message.id)},
success: function (data) {
// For now, we ignore topic edits
var content_edit_history = [];
var prev_timestamp;
_.each(data.message_history, function (msg, index) {
if (index !== 0 && !msg.prev_content) {
// Skip topic edits
return;
}
// Format timestamp nicely for display
var timestamp = timerender.get_full_time(msg.timestamp);
var item = {
timestamp: moment(timestamp).format("h:mm A"),
display_date: moment(timestamp).format("MMMM D, YYYY"),
};
if (index === 0) {
item.posted_or_edited = "Posted by";
item.body_to_render = msg.rendered_content;
prev_timestamp = timestamp;
item.show_date_row = true;
} else {
item.posted_or_edited = "Edited by";
item.body_to_render = msg.content_html_diff;
item.show_date_row = !moment(timestamp).isSame(prev_timestamp, 'day');
}
if (msg.user_id) {
var person = people.get_person_from_user_id(msg.user_id);
item.edited_by = person.full_name;
}
content_edit_history.push(item);
});
$('#message-history').html(templates.render('message_edit_history', {
edited_messages: content_edit_history,
}));
},
error: function (xhr) {
ui_report.error(i18n.t("Error fetching message edit history"), xhr,
$("#message-history-error"));
},
});
};
exports.delete_message = function (msg_id) {
$("#delete-message-error").html('');
$('#delete_message_modal').modal("show");
$('#do_delete_message_button').off().on('click', function (e) {
e.stopPropagation();
e.preventDefault();
channel.del({
url: "/json/messages/" + msg_id,
success: function () {
$('#delete_message_modal').modal("hide");
},
error: function (xhr) {
ui_report.error(i18n.t("Error deleting message."), xhr,
$("#delete-message-error"));
},
});
});
};
$(document).on('narrow_deactivated.zulip', function () {
_.each(currently_editing_messages, function (elem, idx) {
if (current_msg_list.get(idx) !== undefined) {
var row = current_msg_list.get_row(idx);
current_msg_list.show_edit_message(row, elem);
}
});
});
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = message_edit;
}