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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
angular.module('cgBusy',[]);
//loosely modeled after angular-promise-tracker
angular.module('cgBusy').factory('_cgBusyTrackerFactory',['$timeout','$q',function($timeout,$q){
return function(){
var tracker = {};
tracker.promises = [];
tracker.delayPromise = null;
tracker.durationPromise = null;
tracker.delayJustFinished = false;
tracker.reset = function(options){
tracker.minDuration = options.minDuration;
tracker.promises = [];
angular.forEach(options.promises,function(p){
if (!p || p.$cgBusyFulfilled) {
return;
}
addPromiseLikeThing(p);
});
if (tracker.promises.length === 0) {
//if we have no promises then dont do the delay or duration stuff
return;
}
tracker.delayJustFinished = false;
if (options.delay) {
tracker.delayPromise = $timeout(function(){
tracker.delayPromise = null;
tracker.delayJustFinished = true;
},parseInt(options.delay,10));
}
if (options.minDuration) {
tracker.durationPromise = $timeout(function(){
tracker.durationPromise = null;
},parseInt(options.minDuration,10) + (options.delay ? parseInt(options.delay,10) : 0));
}
};
tracker.isPromise = function(promiseThing){
var then = promiseThing && (promiseThing.then || promiseThing.$then ||
(promiseThing.$promise && promiseThing.$promise.then));
return typeof then !== 'undefined';
};
tracker.callThen = function(promiseThing,success,error){
var promise;
if (promiseThing.then || promiseThing.$then){
promise = promiseThing;
} else if (promiseThing.$promise){
promise = promiseThing.$promise;
} else if (promiseThing.denodeify){
promise = $q.when(promiseThing);
}
var then = (promise.then || promise.$then);
then.call(promise,success,error);
};
var addPromiseLikeThing = function(promise){
if (!tracker.isPromise(promise)) {
throw new Error('cgBusy expects a promise (or something that has a .promise or .$promise');
}
if (tracker.promises.indexOf(promise) !== -1){
return;
}
tracker.promises.push(promise);
tracker.callThen(promise, function(){
promise.$cgBusyFulfilled = true;
if (tracker.promises.indexOf(promise) === -1) {
return;
}
tracker.promises.splice(tracker.promises.indexOf(promise),1);
},function(){
promise.$cgBusyFulfilled = true;
if (tracker.promises.indexOf(promise) === -1) {
return;
}
tracker.promises.splice(tracker.promises.indexOf(promise),1);
});
};
tracker.active = function(){
if (tracker.delayPromise){
return false;
}
if (!tracker.delayJustFinished){
if (tracker.durationPromise){
return true;
}
return tracker.promises.length > 0;
} else {
//if both delay and min duration are set,
//we don't want to initiate the min duration if the
//promise finished before the delay was complete
tracker.delayJustFinished = false;
if (tracker.promises.length === 0) {
tracker.durationPromise = null;
}
return tracker.promises.length > 0;
}
};
return tracker;
};
}]);
angular.module('cgBusy').value('cgBusyDefaults',{});
angular.module('cgBusy').directive('cgBusy',['$compile','$templateCache','cgBusyDefaults','$http','_cgBusyTrackerFactory',
function($compile,$templateCache,cgBusyDefaults,$http,_cgBusyTrackerFactory){
return {
restrict: 'A',
link: function(scope, element, attrs, fn) {
//Apply position:relative to parent element if necessary
var position = element.css('position');
if (position === 'static' || position === '' || typeof position === 'undefined'){
element.css('position','relative');
}
var templateElement;
var backdropElement;
var currentTemplate;
var templateScope;
var backdrop;
var tracker = _cgBusyTrackerFactory();
var defaults = {
templateUrl: 'angular-busy.html',
delay:0,
minDuration:0,
backdrop: true,
message:'Please Wait...',
wrapperClass: 'cg-busy cg-busy-animation'
};
angular.extend(defaults,cgBusyDefaults);
scope.$watchCollection(attrs.cgBusy,function(options){
if (!options) {
options = {promise:null};
}
if (angular.isString(options)) {
throw new Error('Invalid value for cg-busy. cgBusy no longer accepts string ids to represent promises/trackers.');
}
//is it an array (of promises) or one promise
if (angular.isArray(options) || tracker.isPromise(options)) {
options = {promise:options};
}
options = angular.extend(angular.copy(defaults),options);
if (!options.templateUrl){
options.templateUrl = defaults.templateUrl;
}
if (!angular.isArray(options.promise)){
options.promise = [options.promise];
}
// options.promise = angular.isArray(options.promise) ? options.promise : [options.promise];
// options.message = options.message ? options.message : 'Please Wait...';
// options.template = options.template ? options.template : cgBusyTemplateName;
// options.minDuration = options.minDuration ? options.minDuration : 0;
// options.delay = options.delay ? options.delay : 0;
if (!templateScope) {
templateScope = scope.$new();
}
templateScope.$message = options.message;
if (!angular.equals(tracker.promises,options.promise)) {
tracker.reset({
promises:options.promise,
delay:options.delay,
minDuration: options.minDuration
});
}
templateScope.$cgBusyIsActive = function() {
return tracker.active();
};
if (!templateElement || currentTemplate !== options.templateUrl || backdrop !== options.backdrop) {
if (templateElement) {
templateElement.remove();
}
if (backdropElement){
backdropElement.remove();
}
currentTemplate = options.templateUrl;
backdrop = options.backdrop;
$http.get(currentTemplate,{cache: $templateCache}).success(function(indicatorTemplate){
options.backdrop = typeof options.backdrop === 'undefined' ? true : options.backdrop;
if (options.backdrop){
var backdrop = '<div class="cg-busy cg-busy-backdrop cg-busy-backdrop-animation ng-hide" ng-show="$cgBusyIsActive()"></div>';
backdropElement = $compile(backdrop)(templateScope);
element.append(backdropElement);
}
var template = '<div class="'+options.wrapperClass+' ng-hide" ng-show="$cgBusyIsActive()">' + indicatorTemplate + '</div>';
templateElement = $compile(template)(templateScope);
angular.element(templateElement.children()[0])
.css('position','absolute')
.css('top',0)
.css('left',0)
.css('right',0)
.css('bottom',0);
element.append(templateElement);
}).error(function(data){
throw new Error('Template specified for cgBusy ('+options.templateUrl+') could not be loaded. ' + data);
});
}
},true);
}
};
}
]);
|
