angular-hash/angular-hash.js at master · rodriguezc/angular-hash · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
var angularHash = angular.module('angularHash', []);

angularHash.factory('hashService', ['$rootScope', '$location', function ($rootScope, $location) {

    var hashService = {listeners :[]};


    hashService.register = function (callback) {
        hashService.listeners.push(callback);
    };

    hashService.unregister = function (callback) {
        hashService.listeners.remove(callback);
    };

    hashService.broadcastHashChange = function (hashValue) {
        var hashObj = {};
        hashValue = decodeURIComponent(hashValue);
        var hashValueCorrected = "";
        for (var i = 0; i < hashValue.length; i++) {
            if (hashValue[i] != "#") {
                hashValueCorrected += hashValue[i];
            }
        }
        //Parse parameters
        var parameters = hashValueCorrected.split("&");
        for (var i = 0; i < parameters.length; i++) {
            var parameter = parameters[i];
            var paramNameValue = parameter.split("=");
            hashObj[paramNameValue[0]] = paramNameValue[1];
        }
        for(var i = 0; i < hashService.listeners.length; i++) {
            var listener = hashService.listeners[i];
            listener(hashObj);
        }


        //  $rootScope.$broadcast("hashChange", hashObj);
    };

    hashService.update = function () {
        var newHash = "";
        if (arguments.length > 1) {
            for (var i = 1; i < arguments.length; i++) {
                if (i % 2 == 1) {
                    var paramName = arguments[i - 1];
                    var paramValue = arguments[i];
                    if (i != 1) {
                        newHash += "&"
                    }
                    newHash += paramName + "=" + paramValue;
                }
            }
        }

        if (newHash == hashService.lastHash) {
            hashService.broadcastHashChange(newHash);
        } else {
            hashService.lastHash = newHash;

            if(newHash == "") {
                $location.hash("#");
            } else {
                $location.hash(newHash);
            }
        }
    };

    //Create event on hash   change
    $rootScope.$watch(function () {
        return location.hash
    }, function (hashValue) {
        hashService.broadcastHashChange(hashValue);
    });

    // factory function body that constructs shinyNewServiceInstance
    return hashService;
}]);