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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/**
* @author Evan Winslow
*
* $Id: elgglib.js 76 2010-07-17 02:08:02Z evan.b.winslow $
*/
/**
* @namespace Namespace for elgg javascript functions
*/
var elgg = elgg || {};
elgg.init = function() {
//if the user clicks a system message, make it disappear
$('.elgg_system_message').live('click', function() {
$(this).stop().fadeOut('fast');
});
};
/**
* Pointer to the global context
* {@see elgg.require} and {@see elgg.provide}
*/
elgg.global = this;
/**
* Throw an error if the required package isn't present
*
* @param {String} pkg The required package (e.g., 'elgg.package')
*/
elgg.require = function(pkg) {
var parts = pkg.split('.'),
cur = elgg.global,
part;
for (var i = 0; i < parts.length; i++) {
part = parts[i];
cur = cur[part];
if(typeof cur == 'undefined') {
throw new Error("Missing package: " + pkg);
}
}
};
/**
* Generate the skeleton for a package.
*
* <pre>
* elgg.provide('elgg.package.subpackage');
* </pre>
*
* is equivalent to
*
* <pre>
* elgg = elgg || {};
* elgg.package = elgg.package || {};
* elgg.package.subpackage = elgg.package.subpackage || {};
* </pre>
*/
elgg.provide = function(pkg) {
var parts = pkg.split('.'),
cur = elgg.global,
part;
for (var i = 0; i < parts.length; i++) {
part = parts[i];
cur[part] = cur[part] || {};
cur = cur[part];
}
};
/**
* Prepend elgg.config.wwwroot to a url if the url doesn't already have it.
*
* @param {String} url The url to extend
* @return {String} The extended url
* @private
*/
elgg.extendUrl = function(url) {
url = url || '';
if(url.indexOf(elgg.config.wwwroot) == -1) {
url = elgg.config.wwwroot + url;
}
return url;
};
/**
* Displays system messages via javascript rather than php.
*
* @param {String} msgs The message we want to display
* @param {Number} delay The amount of time to display the message in milliseconds. Defaults to 6 seconds.
* @param {String} type The type of message (typically 'error' or 'message')
* @private
*/
elgg.system_messages = function(msgs, delay, type) {
if (msgs == undefined) {
return;
}
//validate delay. Must be a positive integer.
delay = parseInt(delay);
if (isNaN(delay) || delay <= 0) {
delay = 6000;
}
var messages_class = 'messages';
if (type == 'error') {
messages_class = 'messages_error';
}
//Handle non-arrays
if (msgs.constructor.toString().indexOf("Array") == -1) {
msgs = [msgs];
}
var messages_html = '<div class="' + messages_class + '">'
+ '<span class="closeMessages">'
+ '<a href="#">'
+ elgg.echo('systemmessages:dismiss')
+ '</a>'
+ '</span>'
+ '<p>' + msgs.join('</p><p>') + '</p>'
+ '</div>';
$(messages_html).insertAfter('#layout_header').click(function () {
$(this).stop().fadeOut('slow');
return false;
}).show().animate({opacity:'1.0'},delay).fadeOut('slow');
};
/**
* Wrapper function for system_messages. Specifies "messages" as the type of message
* @param {String} msg The message to display
* @param {Number} delay How long to display the message (milliseconds)
*/
elgg.system_message = function(msgs, delay) {
elgg.system_messages(msgs, delay, "message");
};
/**
* Wrapper function for system_messages. Specifies "errors" as the type of message
* @param {String} error The error message to display
* @param {Number} delay How long to dispaly the error message (milliseconds)
*/
elgg.register_error = function(errors, delay) {
elgg.system_messages(errors, delay, "error");
};
/**
* Meant to mimic the php forward() function by simply redirecting the
* user to another page.
*
* @param {String} url The url to forward to
*/
elgg.forward = function(url) {
location.href = elgg.extendUrl(url);
};
/**
* Initialise Elgg
* @todo How should plugins, etc. initialize themselves?
*/
$(function() {
elgg.init();
});
|
