mirror of https://github.com/zulip/zulip.git
84 lines
2.2 KiB
JavaScript
84 lines
2.2 KiB
JavaScript
var buddy_list = (function () {
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var self = {};
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self.container_sel = '#user_presences';
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self.item_sel = 'li.user_sidebar_entry';
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self.items_to_html = function (opts) {
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var user_info = opts.items;
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var html = templates.render('user_presence_rows', {users: user_info});
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return html;
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};
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self.item_to_html = function (opts) {
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var html = templates.render('user_presence_row', opts.item);
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return html;
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};
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self.find_li = function (opts) {
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var user_id = opts.key;
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var sel = self.item_sel + "[data-user-id='" + user_id + "']";
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return self.container.find(sel);
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};
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self.get_key_from_li = function (opts) {
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var user_id = opts.li.expectOne().attr('data-user-id');
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return user_id;
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};
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// Try to keep code below this line generic, so that we can
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// extract a widget.
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self.populate = function (opts) {
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var html = self.items_to_html({items: opts.items});
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self.container = $(self.container_sel);
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self.container.html(html);
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};
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self.maybe_remove_key = function (opts) {
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var li = self.find_li({key: opts.key});
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li.remove();
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};
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self.insert_or_move = function (opts) {
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var key = opts.key;
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var item = opts.item;
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var compare_function = opts.compare_function;
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self.maybe_remove_key({key: key});
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var html = self.item_to_html({item: item});
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var list_items = self.container.find(self.item_sel);
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function insert() {
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var i = 0;
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for (i = 0; i < list_items.length; i += 1) {
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var li = list_items.eq(i);
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var list_key = self.get_key_from_li({li: li});
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if (compare_function(key, list_key) < 0) {
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li.before(html);
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return;
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}
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}
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self.container.append(html);
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}
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insert();
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};
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// This is a bit of a hack to make sure we at least have
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// an empty list to start, before we get the initial payload.
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self.container = $(self.container_sel);
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return self;
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}());
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if (typeof module !== 'undefined') {
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module.exports = buddy_list;
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}
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