mirror of https://github.com/zulip/zulip.git
136 lines
4.0 KiB
JavaScript
136 lines
4.0 KiB
JavaScript
var narrow = (function () {
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var exports = {};
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// For tracking where you were before you narrowed.
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var persistent_message_id = 0;
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// For narrowing based on a particular message
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var target_id = 0;
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// Narrowing predicate, or 'false' for the home view.
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var narrowed = false;
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exports.active = function () {
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// Cast to bool
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return !!narrowed;
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};
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exports.predicate = function () {
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if (narrowed) {
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return narrowed;
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} else {
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return function () { return true; };
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}
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};
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function do_narrow(description, filter_function) {
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narrowed = filter_function;
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// Your pointer isn't changed when narrowed.
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persistent_message_id = selected_message_id;
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// Empty the filtered table right before we fill it again
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clear_table('zfilt');
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add_to_table(message_array, 'zfilt', filter_function, 'bottom');
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// Show the new set of messages.
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$("#zfilt").addClass("focused_table");
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$("#show_all_messages").removeAttr("disabled");
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$(".narrowed_to_bar").show();
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$("#main_div").addClass("narrowed_view");
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$("#currently_narrowed_to").html(description).attr("title", description);
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$("#zhome").removeClass("focused_table");
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// Indicate both which message is persistently selected and which
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// is temporarily selected
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select_and_show_by_id(selected_message_id);
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selected_message_class = "narrowed_selected_message";
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select_and_show_by_id(target_id);
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scroll_to_selected();
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}
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// This is the message we're about to select, within the narrowed view.
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// But it won't necessarily be selected once the user un-narrows.
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//
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// FIXME: We probably don't need this variable, selected_message_id, *and*
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// persistent_message_id.
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exports.target = function (id) {
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target_id = id;
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};
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exports.all_personals = function () {
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do_narrow("All huddles with you", function (other) {
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return other.type === "personal" || other.type === "huddle";
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});
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};
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exports.by_subject = function () {
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var original = message_dict[target_id];
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if (original.type !== 'stream')
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return;
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var message = original.display_recipient + " | " + original.subject;
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do_narrow(message, function (other) {
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return (other.type === 'stream' &&
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original.recipient_id === other.recipient_id &&
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original.subject === other.subject);
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});
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};
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// Called for the 'narrow by stream' hotkey.
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exports.by_recipient = function () {
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var message = message_dict[target_id];
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switch (message.type) {
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case 'personal':
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// Narrow to personals with a specific user
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do_narrow("Huddles with " + message.display_reply_to, function (other) {
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return (other.type === 'personal') &&
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(((other.display_recipient.email === message.display_recipient.email)
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&& (other.sender_email === message.sender_email)) ||
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((other.display_recipient.email === message.sender_email)
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&& (other.sender_email === message.display_recipient.email)));
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});
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break;
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case 'huddle':
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do_narrow("Huddles with " + message.display_reply_to, function (other) {
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return (other.type === "personal" || other.type === "huddle")
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&& other.reply_to === message.reply_to;
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});
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break;
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case 'stream':
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do_narrow(message.display_recipient, function (other) {
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return (other.type === 'stream' &&
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message.recipient_id === other.recipient_id);
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});
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break;
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}
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};
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exports.show_all_messages = function () {
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if (!narrowed) {
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return;
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}
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narrowed = false;
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$("#zfilt").removeClass('focused_table');
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$("#zhome").addClass('focused_table');
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$(".narrowed_to_bar").hide();
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$("#main_div").removeClass('narrowed_view');
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$("#show_all_messages").attr("disabled", "disabled");
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$("#currently_narrowed_to").html("");
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selected_message_class = "selected_message";
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// Includes scrolling.
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select_and_show_by_id(persistent_message_id);
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scroll_to_selected();
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};
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return exports;
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}());
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