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
|
'use strict';
/**
* @ngdoc directive
* @name ngStyle
* @restrict AC
*
* @description
* The `ngStyle` directive allows you to set CSS style on an HTML element conditionally.
*
* @element ANY
* @param {expression} ngStyle {@link guide/expression Expression} which evals to an
* object whose keys are CSS style names and values are corresponding values for those CSS
* keys.
*
* @example
<example>
<file name="index.html">
<input type="button" value="set" ng-click="myStyle={color:'red'}">
<input type="button" value="clear" ng-click="myStyle={}">
<br/>
<span ng-style="myStyle">Sample Text</span>
<pre>myStyle={{myStyle}}</pre>
</file>
<file name="style.css">
span {
color: black;
}
</file>
<file name="protractor.js" type="protractor">
var colorSpan = element(by.css('span'));
it('should check ng-style', function() {
expect(colorSpan.getCssValue('color')).toBe('rgba(0, 0, 0, 1)');
element(by.css('input[value=set]')).click();
expect(colorSpan.getCssValue('color')).toBe('rgba(255, 0, 0, 1)');
element(by.css('input[value=clear]')).click();
expect(colorSpan.getCssValue('color')).toBe('rgba(0, 0, 0, 1)');
});
</file>
</example>
*/
var ngStyleDirective = ngDirective(function(scope, element, attr) {
scope.$watch(attr.ngStyle, function ngStyleWatchAction(newStyles, oldStyles) {
if (oldStyles && (newStyles !== oldStyles)) {
forEach(oldStyles, function(val, style) { element.css(style, '');});
}
if (newStyles) element.css(newStyles);
}, true);
});
|
