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
245
|
/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
/// <reference path="../../../references"/>
module Sdc.Directives {
'use strict';
export interface ISdcMessagesScope extends ng.IScope {
sdcMessages: any;
editForm:ng.IFormController;
}
export class SdcMessagesDirective implements ng.IDirective {
constructor() {}
scope = {
sdcMessages: '='
};
public restrict = 'AE';
public require = 'sdcMessages';
public controller = SdcMessagesController;
/*template = ():string => {
return this.$templateCache.get('/app/scripts/directives/utils/sdc-messages/sdc-messages.html');
};
public static factory = ($templateCache:ng.ITemplateCacheService)=> {
return new SdcMessagesDirective($templateCache);
};*/
public static factory = ()=> {
return new SdcMessagesDirective();
}
}
export class SdcMessagesController {
messages:any;
getAttachId:Function;
render:any;
reRender:Function;
register:Function;
deregister:Function;
head:any;
static '$inject' = [
'$element',
'$scope',
'$attrs',
'$animate'
];
constructor(private $element:JQuery,
private $scope:ISdcMessagesScope,
private $attrs:ng.IAttributes,
private $animate:any
) {
this.init();
}
init=():void => {
let self = this;
let ACTIVE_CLASS:string = 'ng-active';
let INACTIVE_CLASS:string = 'ng-inactive';
let ctrl = this;
let latestKey = 0;
let nextAttachId = 0;
this.getAttachId = function getAttachId() { return nextAttachId++; };
let messages = this.messages = {};
let renderLater, cachedCollection;
this.render = function(collection) {
collection = collection || {};
renderLater = false;
cachedCollection = collection;
// this is true if the attribute is empty or if the attribute value is truthy
let multiple = self.isAttrTruthy(self.$scope, self.$attrs['sdcMessagesMultiple']) || self.isAttrTruthy(self.$scope, self.$attrs['multiple']);
let unmatchedMessages = [];
let matchedKeys = {};
let messageItem = ctrl.head;
let messageFound = false;
let totalMessages = 0;
// we use != instead of !== to allow for both undefined and null values
while (messageItem != null) {
totalMessages++;
let messageCtrl = messageItem.message;
let messageUsed = false;
if (!messageFound) {
_.each(collection, function(value, key) {
if (!messageUsed && self.truthy(value) && messageCtrl.test(key)) {
// this is to prevent the same error name from showing up twice
if (matchedKeys[key]) return;
matchedKeys[key] = true;
messageUsed = true;
messageCtrl.attach();
}
});
}
if (messageUsed) {
// unless we want to display multiple messages then we should
// set a flag here to avoid displaying the next message in the list
messageFound = !multiple;
} else {
unmatchedMessages.push(messageCtrl);
}
messageItem = messageItem.next;
}
_.each(unmatchedMessages, function(messageCtrl) {
messageCtrl.detach();
});
unmatchedMessages.length !== totalMessages
? ctrl.$animate.setClass(self.$element, ACTIVE_CLASS, INACTIVE_CLASS)
: ctrl.$animate.setClass(self.$element, INACTIVE_CLASS, ACTIVE_CLASS);
};
self.$scope.$watchCollection('sdcMessages' || self.$attrs['for'], function(newVal:any, oldVal:any){
ctrl.render(newVal);
});
this.reRender = function() {
if (!renderLater) {
renderLater = true;
self.$scope.$evalAsync(function() {
if (renderLater) {
cachedCollection && ctrl.render(cachedCollection);
}
});
}
};
this.register = function(comment, messageCtrl) {
let nextKey = latestKey.toString();
messages[nextKey] = {
message: messageCtrl
};
insertMessageNode(self.$element[0], comment, nextKey);
comment.$$sdcMessageNode = nextKey;
latestKey++;
ctrl.reRender();
};
this.deregister = function(comment) {
let key = comment.$$sdcMessageNode;
delete comment.$$sdcMessageNode;
removeMessageNode(self.$element[0], comment, key);
delete messages[key];
ctrl.reRender();
};
function findPreviousMessage(parent, comment) {
let prevNode = comment;
let parentLookup = [];
while (prevNode && prevNode !== parent) {
let prevKey = prevNode.$$sdcMessageNode;
if (prevKey && prevKey.length) {
return messages[prevKey];
}
// dive deeper into the DOM and examine its children for any sdcMessage
// comments that may be in an element that appears deeper in the list
if (prevNode.childNodes.length && parentLookup.indexOf(prevNode) == -1) {
parentLookup.push(prevNode);
prevNode = prevNode.childNodes[prevNode.childNodes.length - 1];
} else {
prevNode = prevNode.previousSibling || prevNode.parentNode;
}
}
}
function insertMessageNode(parent, comment, key) {
let messageNode = messages[key];
if (!ctrl.head) {
ctrl.head = messageNode;
} else {
let match = findPreviousMessage(parent, comment);
if (match) {
messageNode.next = match.next;
match.next = messageNode;
} else {
messageNode.next = ctrl.head;
ctrl.head = messageNode;
}
}
}
function removeMessageNode(parent, comment, key) {
let messageNode = messages[key];
let match = findPreviousMessage(parent, comment);
if (match) {
match.next = messageNode.next;
} else {
ctrl.head = messageNode.next;
}
}
}
isAttrTruthy = (scope, attr):any => {
return (angular.isString(attr) && attr.length === 0) || //empty attribute
this.truthy(scope.$eval(attr));
}
truthy = (val):any => {
return angular.isString(val) ? val.length : !!val;
}
}
SdcMessagesDirective.factory.$inject = ['$templateCache','$animate'];
}
|
