mirror of
https://github.com/zulip/zulip.git
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5f28cf8e02
The internal format of 'message' had changed, so prior to this commit, the tutorial was receiving (a) internally inconsistent, and (b) not-what-it-expected versions of the message. (imported from commit 233b934e6b600bd59125d133fdf7443fd8f6bbf8)
607 lines
20 KiB
JavaScript
607 lines
20 KiB
JavaScript
var compose = (function () {
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var exports = {};
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var is_composing_message = false;
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var faded_to;
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var message_snapshot;
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function show(tabname, focus_area) {
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if (tabname === "stream") {
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$('#private-message').hide();
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$('#stream-message').show();
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$("#stream_toggle").addClass("active");
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$("#private_message_toggle").removeClass("active");
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} else {
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$('#private-message').show();
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$('#stream-message').hide();
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$("#stream_toggle").removeClass("active");
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$("#private_message_toggle").addClass("active");
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}
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$("#send-status").removeClass(status_classes).hide();
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$('#compose').css({visibility: "visible"});
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$("#new_message_content").trigger("autosize");
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$('.message_comp').slideDown(100, function () {
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// If the compose box is obscuring the currently selected message,
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// scroll up until the message is no longer occluded.
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if (current_msg_list.selected_id() === -1) {
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// If there's no selected message, there's no need to
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// scroll the compose box to avoid it.
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return;
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}
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var selected_row = current_msg_list.selected_row();
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var cover = selected_row.offset().top + selected_row.height()
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- $("#compose").offset().top;
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if (cover > 0) {
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disable_pointer_movement = true;
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// We use $('html, body') because you can't animate window.scrollTop
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// on Chrome (http://bugs.jquery.com/ticket/10419).
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$('html, body').animate({
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scrollTop: viewport.scrollTop() + cover + 5
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}, {
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complete: function () {
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// The complete callback is actually called before the
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// scrolling has completed, so we try to let scrolling
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// finish before allowing pointer movements again or the
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// pointer may still move.
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setTimeout(function () {
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disable_pointer_movement = false;
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}, 50);
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}
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});
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}
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});
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focus_area.focus();
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focus_area.select();
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// Disable the notifications bar if it overlaps with the composebox
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notifications_bar.maybe_disable();
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}
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// In an attempt to decrease mixing, make the composebox's
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// stream bar look like what you're replying to.
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// (In particular, if there's a color associated with it,
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// have that color be reflected here too.)
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exports.decorate_stream_bar = function (stream_name) {
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var color = subs.get_color(stream_name);
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$("#stream-message .message_header_stream")
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.css('background-color', color)
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.removeClass(subs.color_classes)
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.addClass(subs.get_color_class(color));
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};
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function messages_to_fade() {
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var all_elts = rows.get_table(current_msg_list.table_name).find(".recipient_row, .messagebox");
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var i, elts_to_fade = [];
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var different_recipient = false;
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// Note: The below algorithm relies on the fact that all_elts is
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// sorted as it would be displayed in the message view
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for (i = 0; i < all_elts.length; i++) {
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var elt = $(all_elts[i]);
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if (elt.hasClass("recipient_row")) {
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if (!util.same_recipient(faded_to, current_msg_list.get(rows.id(elt)))) {
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elts_to_fade.push(elt);
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different_recipient = true;
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} else {
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different_recipient = false;
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}
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} else if (different_recipient) {
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elts_to_fade.push(elt);
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}
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}
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return elts_to_fade;
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}
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exports.unfade_messages = function (clear_state) {
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if (faded_to === undefined) {
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return;
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}
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var fade_class = narrow.active() ? "message_reply_fade_narrowed" : "message_reply_fade";
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rows.get_table(current_msg_list.table_name).find(".recipient_row, .messagebox").removeClass(fade_class);
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if (clear_state === true) {
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faded_to = undefined;
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}
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ui.enable_floating_recipient_bar();
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};
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exports.update_faded_messages = function () {
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if (faded_to === undefined) {
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return;
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}
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var i, fade_class, elts_to_fade;
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fade_class = narrow.active() ? "message_reply_fade_narrowed" : "message_reply_fade";
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elts_to_fade = messages_to_fade();
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for (i = 0; i < elts_to_fade.length; i++) {
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$(elts_to_fade[i]).addClass(fade_class);
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}
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ui.disable_floating_recipient_bar();
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};
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exports.update_recipient_on_narrow = function() {
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if (!compose.composing()) {
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return;
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}
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if (compose.message_content() !== "") {
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return;
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}
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var compose_opts = {};
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narrow.set_compose_defaults(compose_opts);
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if (compose_opts.stream) {
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compose.start("stream");
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} else {
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compose.start("private");
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}
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};
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function do_fade(reply_message, fade_type) {
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compose.unfade_messages();
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// Construct faded_to as a mocked up element which has all the
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// fields of a message used by util.same_recipient()
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faded_to = {
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type: fade_type
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};
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if (fade_type === "stream") {
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faded_to.stream = reply_message.stream;
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faded_to.subject = reply_message.subject;
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} else {
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faded_to.reply_to = reply_message.reply_to;
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}
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exports.update_faded_messages();
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}
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exports.start = function (msg_type, opts) {
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if (reload.is_in_progress()) {
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return;
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}
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var default_opts = {
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message_type: msg_type,
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stream: '',
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subject: '',
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private_message_recipient: ''
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};
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// Set default parameters based on the current narrowed view.
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narrow.set_compose_defaults(default_opts);
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opts = $.extend(default_opts, opts);
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if (!(compose.composing() === msg_type &&
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((msg_type === "stream" &&
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opts.stream === compose.stream_name() &&
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opts.subject === compose.subject()) ||
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(msg_type === "private" &&
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opts.private_message_recipient === compose.recipient())))) {
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// Clear the compose box if the existing message is to a different recipient
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compose.clear();
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}
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compose.stream_name(opts.stream);
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compose.subject(opts.subject);
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compose.recipient(opts.private_message_recipient);
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// If the user opens the compose box, types some text, and then clicks on a
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// different stream/subject, we want to keep the text in the compose box
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if (opts.content !== undefined) {
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compose.message_content(opts.content);
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}
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ui.change_tab_to("#home");
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var focus_area;
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if (opts.stream && ! opts.subject) {
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focus_area = 'subject';
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} else if (opts.stream || opts.private_message_recipient) {
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focus_area = 'new_message_content';
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}
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if (msg_type === 'stream') {
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show('stream', $("#" + (focus_area || 'stream')));
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} else {
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show('private', $("#" + (focus_area || 'private_message_recipient')));
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}
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if (message_snapshot !== undefined) {
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$('#restore-draft').css('visibility', 'visible');
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}
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if (opts.replying_to_message !== undefined) {
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do_fade(opts.replying_to_message, msg_type);
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}
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is_composing_message = msg_type;
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exports.decorate_stream_bar(opts.stream);
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$(document).trigger($.Event('compose_started.zephyr', opts));
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};
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function abort_xhr () {
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$("#compose-send-button").removeAttr("disabled");
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var xhr = $("#compose").data("filedrop_xhr");
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if (xhr !== undefined) {
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xhr.abort();
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$("#compose").removeData("filedrop_xhr");
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}
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}
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exports.cancel = function () {
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compose.hide();
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abort_xhr();
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is_composing_message = false;
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$(document).trigger($.Event('compose_canceled.zephyr'));
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};
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function create_message_object() {
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var message = {client: 'website',
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type: compose.composing(),
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subject: compose.subject(),
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stream: compose.stream_name(),
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private_message_recipient: compose.recipient(),
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content: compose.message_content()};
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if (message.type === "private") {
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// TODO: this should be collapsed with the code in composebox_typeahead.js
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message.to = compose.recipient().split(/\s*[,;]\s*/);
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message.reply_to = compose.recipient();
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} else {
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message.to = compose.stream_name();
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}
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return message;
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}
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exports.snapshot_message = function(message) {
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if (!exports.composing() || (exports.message_content() === "")) {
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// If you aren't in the middle of composing the body of a
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// message, don't try to snapshot.
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return;
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}
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if (message !== undefined) {
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message_snapshot = $.extend({}, message);
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} else {
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// Save what we can.
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message_snapshot = create_message_object();
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}
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};
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function clear_message_snapshot() {
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$("#restore-draft").css("visibility", "hidden");
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message_snapshot = undefined;
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}
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exports.restore_message = function() {
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if (!message_snapshot) {
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return;
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}
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var snapshot_copy = $.extend({}, message_snapshot);
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if ((snapshot_copy.type === "stream" &&
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snapshot_copy.stream.length > 0 &&
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snapshot_copy.subject.length > 0) ||
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(snapshot_copy.type === "private" &&
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snapshot_copy.reply_to.length > 0)) {
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snapshot_copy = $.extend({replying_to_message: snapshot_copy},
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snapshot_copy);
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}
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clear_message_snapshot();
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exports.unfade_messages(true);
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compose.start(snapshot_copy.type, snapshot_copy);
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};
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function compose_error(error_text, bad_input) {
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$('#send-status').removeClass(status_classes)
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.addClass('alert-error')
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.stop(true).fadeTo(0, 1);
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$('#error-msg').html(error_text);
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$("#compose-send-button").removeAttr('disabled');
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$("#sending-indicator").hide();
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bad_input.focus().select();
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}
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var send_options;
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function send_message() {
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var send_status = $('#send-status');
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var request = create_message_object();
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exports.snapshot_message(request);
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if (tutorial.is_running()) {
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// We want the un-json-encoded version of the request.to, so
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// we need to get it before the JSON stringify below messes it
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// up.
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tutorial.message_was_sent(request);
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}
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if (request.type === "private") {
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request.to = JSON.stringify(request.to);
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} else {
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request.to = JSON.stringify([request.to]);
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}
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$.ajax({
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dataType: 'json', // This seems to be ignored. We still get back an xhr.
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url: '/json/send_message',
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type: 'POST',
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data: request,
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success: function (resp, statusText, xhr) {
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compose.clear();
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send_status.hide();
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is_composing_message = false;
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compose.hide();
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clear_message_snapshot();
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$("#compose-send-button").removeAttr('disabled');
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$("#sending-indicator").hide();
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},
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error: function (xhr, error_type) {
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if (error_type !== 'timeout' && reload.is_pending()) {
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// The error might be due to the server changing
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reload.initiate({immediate: true, send_after_reload: true});
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return;
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}
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var response = "Error sending message";
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if (xhr.status.toString().charAt(0) === "4") {
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// Only display the error response for 4XX, where we've crafted
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// a nice response.
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response += ": " + $.parseJSON(xhr.responseText).msg;
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}
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compose_error(response, $('#new_message_content'));
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}
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});
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send_status.hide();
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}
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exports.finish = function () {
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if (! compose.validate()) {
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return false;
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}
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send_message();
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// TODO: Do we want to fire the event even if the send failed due
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// to a server-side error?
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$(document).trigger($.Event('compose_finished.zephyr'));
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return true;
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};
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$(function () {
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$("#compose form").on("submit", function (e) {
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e.preventDefault();
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compose.finish();
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});
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});
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exports.hide = function () {
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exports.snapshot_message();
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$('.message_comp').find('input, textarea, button').blur();
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$('.message_comp').slideUp(100,
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function() { $('#compose').css({visibility: "hidden"});});
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notifications_bar.enable();
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exports.unfade_messages(true);
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};
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exports.clear = function () {
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$("#compose").find('input[type=text], textarea').val('');
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};
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// Set the mode of a compose already in progress.
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// Does not clear the input fields.
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exports.set_mode = function (mode) {
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ui.change_tab_to('#home');
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if (!is_composing_message) {
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exports.start(mode);
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}
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if (mode === 'private') {
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show('private', $("#private_message_recipient"));
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is_composing_message = "private";
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} else {
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show('stream', $("#stream"));
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is_composing_message = "stream";
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}
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};
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exports.composing = function () {
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return is_composing_message;
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};
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function get_or_set(fieldname, keep_outside_whitespace) {
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// We can't hoist the assignment of 'elem' out of this lambda,
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// because the DOM element might not exist yet when get_or_set
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// is called.
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return function (newval) {
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var elem = $('#'+fieldname);
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var oldval = elem.val();
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if (newval !== undefined) {
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elem.val(newval);
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}
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return keep_outside_whitespace ? oldval : $.trim(oldval);
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};
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}
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exports.stream_name = get_or_set('stream');
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exports.subject = get_or_set('subject');
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exports.message_content = get_or_set('new_message_content', true);
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exports.recipient = get_or_set('private_message_recipient');
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// *Synchronously* check if a stream exists.
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exports.check_stream_existence = function (stream_name) {
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var result = "error";
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$.ajax({
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type: "POST",
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url: "/json/subscriptions/exists",
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data: {'stream': stream_name},
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async: false,
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success: function (data) {
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if (data.subscribed) {
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result = "subscribed";
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} else {
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result = "not-subscribed";
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}
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},
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error: function (xhr) {
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if (xhr.status === 404) {
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result = "does-not-exist";
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} else {
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result = "error";
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}
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}
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});
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return result;
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};
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// Checks if a stream exists. If not, displays an error and returns
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// false.
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function check_stream_for_send(stream_name) {
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var result = exports.check_stream_existence(stream_name);
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if (result === "error") {
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compose_error("Error checking subscription", $("#stream"));
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$("#compose-send-button").removeAttr('disabled');
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$("#sending-indicator").hide();
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}
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return result;
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}
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function validate_stream_message() {
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var stream_name = exports.stream_name();
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if (stream_name === "") {
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compose_error("Please specify a stream", $("#stream"));
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return false;
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}
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if (exports.subject() === "") {
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compose_error("Please specify a subject", $("#subject"));
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return false;
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}
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var response;
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if (!subs.have(stream_name)) {
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switch(check_stream_for_send(stream_name)) {
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case "does-not-exist":
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response = "<p>The stream <b>" +
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Handlebars.Utils.escapeExpression(stream_name) + "</b> does not exist.</p>" +
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"<p>Manage your subscriptions <a href='#subscriptions'>on your Streams page</a>.</p>";
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compose_error(response, $('#stream'));
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return false;
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case "error":
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return false;
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case "subscribed":
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// You're actually subscribed to the stream, but this
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// browser window doesn't know it.
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return true;
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case "not-subscribed":
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response = "<p>You're not subscribed to the stream <b>" +
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Handlebars.Utils.escapeExpression(stream_name) + "</b>.</p>" +
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"<p>Manage your subscriptions <a href='#subscriptions'>on your Streams page</a>.</p>";
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compose_error(response, $('#stream'));
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return false;
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}
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}
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return true;
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}
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function validate_private_message() {
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if (exports.recipient() === "") {
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compose_error("Please specify at least one recipient", $("#private_message_recipient"));
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return false;
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}
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return true;
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}
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exports.validate = function () {
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$("#compose-send-button").attr('disabled', 'disabled').blur();
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$("#sending-indicator").show();
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if (exports.message_content() === "") {
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compose_error("You have nothing to send!", $("#new_message_content"));
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return false;
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}
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if (exports.composing() === 'private') {
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return validate_private_message();
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} else {
|
|
return validate_stream_message();
|
|
}
|
|
};
|
|
|
|
$(function () {
|
|
$("#new_message_content").autosize();
|
|
$("#compose").filedrop({
|
|
url: "json/upload_file",
|
|
paramname: "file",
|
|
maxfilesize: 25,
|
|
data: {
|
|
// the token isn't automatically included in filedrop's post
|
|
csrfmiddlewaretoken: csrf_token
|
|
},
|
|
raw_droppable: ['text/uri-list', 'text/plain'],
|
|
drop: function (i, file, len) {
|
|
$("#compose-send-button").attr("disabled", "");
|
|
$("#send-status").addClass("alert-info")
|
|
.show();
|
|
$(".send-status-close").one('click', abort_xhr);
|
|
$("#error-msg").html(
|
|
$("<p>").text("Uploading…")
|
|
.after('<div class="progress progress-striped active">' +
|
|
'<div class="bar" id="upload-bar" style="width: 00%;"></div>' +
|
|
'</div>'));
|
|
},
|
|
progressUpdated: function (i, file, progress) {
|
|
$("#upload-bar").width(progress + "%");
|
|
},
|
|
error: function (err, file) {
|
|
var msg;
|
|
$("#send-status").addClass("alert-error")
|
|
.removeClass("alert-info");
|
|
$("#compose-send-button").removeAttr("disabled");
|
|
switch(err) {
|
|
case 'BrowserNotSupported':
|
|
msg = "File upload is not yet available for your browser.";
|
|
break;
|
|
case 'TooManyFiles':
|
|
msg = "Unable to upload that many files at once.";
|
|
break;
|
|
case 'FileTooLarge':
|
|
// sanitizatio not needed as the file name is not potentially parsed as HTML, etc.
|
|
msg = "\"" + file.name + "\" was too large; the maximum file size is 25MiB.";
|
|
break;
|
|
default:
|
|
msg = "An unknown error occured.";
|
|
break;
|
|
}
|
|
$("#error-msg").text(msg);
|
|
},
|
|
uploadFinished: function (i, file, response, time) {
|
|
if (response.uri === undefined) {
|
|
return;
|
|
}
|
|
var textbox = $("#new_message_content"),
|
|
split_uri = response.uri.split("/"),
|
|
filename = split_uri[split_uri.length - 1];
|
|
if (i === -1) {
|
|
// This is a paste, so there's no filename. Show the image directly
|
|
textbox.val(textbox.val() + "[pasted image](" + response.uri + ") ");
|
|
} else {
|
|
// This is a dropped file, so make the filename a link to the image
|
|
textbox.val(textbox.val() + "[" + filename + "](" + response.uri + ")" + " ");
|
|
}
|
|
$("#new_message_content").trigger("autosize");
|
|
$("#compose-send-button").removeAttr("disabled");
|
|
$("#send-status").removeClass("alert-info")
|
|
.hide();
|
|
},
|
|
rawDrop: function (contents) {
|
|
var textbox = $("#new_message_content");
|
|
textbox.val(textbox.val() + contents);
|
|
}
|
|
});
|
|
});
|
|
|
|
return exports;
|
|
|
|
}());
|