Merge branch 'ResidentBiscuit-rb_ui_work' into development

[KiwiIRC.git] / client / src / models / memberlist.js

_kiwi.model.MemberList = Backbone.Collection.extend({\r
    model: _kiwi.model.Member,\r
    comparator: function (a, b) {\r
        var i, a_modes, b_modes, a_idx, b_idx, a_nick, b_nick;\r
        var user_prefixes = this.channel.get('network').get('user_prefixes');\r
\r
        a_modes = a.get("modes");\r
        b_modes = b.get("modes");\r
\r
        // Try to sort by modes first\r
        if (a_modes.length > 0) {\r
            // a has modes, but b doesn't so a should appear first\r
            if (b_modes.length === 0) {\r
                return -1;\r
            }\r
            a_idx = b_idx = -1;\r
            // Compare the first (highest) mode\r
            for (i = 0; i < user_prefixes.length; i++) {\r
                if (user_prefixes[i].mode === a_modes[0]) {\r
                    a_idx = i;\r
                }\r
            }\r
            for (i = 0; i < user_prefixes.length; i++) {\r
                if (user_prefixes[i].mode === b_modes[0]) {\r
                    b_idx = i;\r
                }\r
            }\r
            if (a_idx < b_idx) {\r
                return -1;\r
            } else if (a_idx > b_idx) {\r
                return 1;\r
            }\r
            // If we get to here both a and b have the same highest mode so have to resort to lexicographical sorting\r
\r
        } else if (b_modes.length > 0) {\r
            // b has modes but a doesn't so b should appear first\r
            return 1;\r
        }\r
        a_nick = a.get("nick").toLocaleUpperCase();\r
        b_nick = b.get("nick").toLocaleUpperCase();\r
        // Lexicographical sorting\r
        if (a_nick < b_nick) {\r
            return -1;\r
        } else if (a_nick > b_nick) {\r
            return 1;\r
        } else {\r
            return 0;\r
        }\r
    },\r
\r
\r
    initialize: function (options) {\r
        this.view = new _kiwi.view.MemberList({"model": this});\r
        this.initNickCache();\r
    },\r
\r
\r
    /*\r
     * Keep a reference to each member by the nick. Speeds up .getByNick()\r
     * so it doesn't need to loop over every model for each nick lookup\r
     */\r
    initNickCache: function() {\r
        var that = this;\r
\r
        this.nick_cache = Object.create(null);\r
\r
        this.on('reset', function() {\r
            this.nick_cache = Object.create(null);\r
\r
            this.models.forEach(function(member) {\r
                that.nick_cache[member.get('nick').toLowerCase()] = member;\r
            });\r
        });\r
\r
        this.on('add', function(member) {\r
            that.nick_cache[member.get('nick').toLowerCase()] = member;\r
        });\r
\r
        this.on('remove', function(member) {\r
            delete that.nick_cache[member.get('nick').toLowerCase()];\r
        });\r
\r
        this.on('change:nick', function(member) {\r
            that.nick_cache[member.get('nick').toLowerCase()] = member;\r
            delete that.nick_cache[member.previous('nick').toLowerCase()];\r
        });\r
    },\r
\r
\r
    getByNick: function (nick) {\r
        if (typeof nick !== 'string') return;\r
        return this.nick_cache[nick.toLowerCase()];\r
    }\r
});