+var selected_list;
+var last_item_action, last_item_action_stamp, item_action_streak = 0;
+
+function debug(...args) {
+ if (devel_env)
+ console.debug.apply(console, args);
+}
+
+function uri_id(uri) {
+ var m = uri.match(uri_id_re);
+ return m ? m[1] : null;
+}
+function add_list_item(data) {
+ var item = $('<li>').addClass('list-item-row').data({
+ 'lsl-uri': data.uri,
+ 'lsl-version': data.version,
+ 'lsl-description': data.description,
+ 'lsl-done': data.done});
+ var cb = $('<input type="checkbox">');
+ if (data.done) cb.prop('checked', true);
+ item.append(cb);
+ item.append($('<span class="description">').text(data.description || ''));
+ item.append($('<span class="edit-trigger">').text('…'));
+
+ $('#list-items').append(item);
+ $('#list-contents').addClass('have-list-items');
+}
+function got_lists_version(new_version) {
+ if (new_version != lists_version)
+ window.setTimeout(load_lists);
+}
+function got_list_version(new_version) {
+ if (new_version != selected_list.data('lsl-version'))
+ window.setTimeout(
+ () => load_list_items(selected_list.data('lsl-uri'), selected_list));
+}
+function load_list_items(uri, target) {
+ $.get(uri)
+ .done(item_data => {
+ target.data('lsl-items', item_data.items);
+ target.data('lsl-version', item_data.version);
+
+ // TODO: merge new items into existing ones
+ // keep track of the last existing item, and append new one
+ // after it, prepending if there is no last existing item
+ // the newly prepended/inserted item becomes the last existing
+ $('#list-contents').removeClass('have-list-items');
+ var item_list = $('#list-items').empty();
+
+ $.each(item_data.items, (i,item) => {
+ add_list_item(item);
+ });
+
+ got_lists_version(item_data.lists_version);
+ });
+}
+function select_list(new_selected_list) {
+ if (new_selected_list && selected_list
+ && new_selected_list.length && selected_list.length
+ && new_selected_list.get(0) == selected_list.get(0)
+ )
+ return;
+
+ if (new_selected_list && !new_selected_list.length)
+ new_selected_list = null;
+
+ $('#page').toggleClass('have-lists', !!new_selected_list);
+
+ if (selected_list)
+ selected_list.removeClass('selected');
+
+ if (new_selected_list) {
+ load_list_items(new_selected_list.data('lsl-uri'), new_selected_list);
+ new_selected_list.addClass('selected');
+ $('#selected-list-name').text(new_selected_list.data('lsl-name'));
+ }
+
+ selected_list = new_selected_list;
+}
+function edit_list() {
+ var d = $('<div>')
+ .append(
+ $('<fieldset>')
+ .append(
+ $('<legend>').text('List name'),
+ $('<input type="text" size="10">')
+ .on('keypress', (ev) => {
+ if (13 == ev.keyCode) {
+ save_list(d);
+ return false;
+ }
+
+ return true;
+ })
+ .val(selected_list.data('lsl-name'))
+ )
+ );
+
+ d.dialog({
+ dialogClass: 'edit-list-dialog',
+ autoOpen: true,
+ modal: true,
+ title: 'Edit list',
+ width: 'min(calc(100% - 2em), 20em)',
+ close: (ev) => {
+ $(ev.target).dialog('destroy');
+ },
+ buttons: [
+ {
+ class: 'btn-delete',
+ icon: 'ui-icon-trash',
+ click: () => {
+ delete_list(d);
+ },
+ },
+ {
+ icon: 'ui-icon-disk',
+ text: 'OK',
+ click: () => {
+ save_list(d);
+ },
+ },
+ ],
+ });
+}
+function delete_list(dlg) {
+ // TODO: store all data including list items in a "Deleted"
+ // pop-up with an "Undo" link that can be used to restore the list
+ var lists_ver = lists_version;
+ $.ajax( selected_list.data('lsl-uri'),
+ { type: 'DELETE' }
+ )
+ .done((d)=>{
+ lists_version = lists_ver + 1;
+ var deleted_list = selected_list;
+
+ var new_selected = deleted_list.next();
+ if (new_selected.length) {
+ select_list(new_selected)
+ }
+ else {
+ new_selected = deleted_list.prev();
+ if (new_selected.length) {
+ select_list(new_selected);
+ }
+ else {
+ $('#page').removeClass('have-lists');
+ }
+ }
+
+ deleted_list.remove();
+ dlg.dialog('destroy');
+ got_lists_version(d.lists_version);
+ });
+}
+function save_list(dlg) {
+ var lists_ver = lists_version;
+ var new_name = dlg.find('input[type="text"]').val();
+
+ $.ajax( selected_list.data('lsl-uri'),
+ { type: 'PUT',
+ data: JSON.stringify({ name: new_name,
+ version: selected_list.data('lsl-version')})
+ }
+ )
+ .done((d)=>{
+ lists_version = lists_ver + 1;