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
|
<!DOCTYPE html>
<html>
<!--
Copyright 2012 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--
-->
<head>
<title>Closure Unit Tests - goog.style.bidi</title>
<script src="../base.js"></script>
<script>
goog.require('goog.testing.jsunit');
goog.require('goog.style');
goog.require('goog.style.bidi');
</script>
<style>
/* Using borders, padding, and margins of various prime values. */
.scrollDiv {
left:50px; width:250px; height: 100px;
position:absolute; overflow:auto; border-left: 3px solid green;
border-right: 17px solid green; margin: 7px; padding: 13px;
}
</style>
</head>
<body>
<span id="bodyChild" style="position:fixed;left:60px">bodyChild</span>
<div>
<span>LTR</span>
<div dir="ltr" onscroll="updateInfo()"
id="scrollDivLtr" class="scrollDiv">
<div style="width: 1000px; height: 2000px;background-color: blue"></div>
<div id="scrolledElementLtr" style="background:yellow; top: 25px; left:85px;
width: 100px; position:absolute">elm</div>
</div>
<div style="left:400px; position:absolute;">
<div> elm.offsetParent.scrollLeft: <span id="elementScrollLeftLtr"></span>
</div>
<div> bidi.getScrollLeft(...): <span id="bidiScrollLeftLtr"></span></div>
<div> bidi.getOffsetStart(...): <span id="bidiOffsetStartLtr"></span></div>
<form name="formLtr" action="bidi_test.html#">
goog.style.bidi.setScrollOffset: <input name="pixelsLtr" type="text"/>
<a href="bidi_test.html#" onClick="goog.style.bidi.setScrollOffset(
document.getElementById('scrollDivLtr'),
parseInt(formLtr.elements['pixelsLtr'].value));">set</a>
</form>
</div>
<br/><br/><br/><br/><br/><br/><br/><br/>
</div>
<hr/>
<div>
<span>RTL</span>
<div dir="rtl"
onscroll="updateInfo();"
id="scrollDivRtl" class="scrollDiv">
<div style="width:1000px; height:70px;background-color:blue"></div>
<div id="scrolledElementRtl"
style="background:yellow; top: 25px; right:85px;
width: 100px; position:absolute">elm</div>
</div>
<div style="left:400px; position:absolute;">
<div> elm.offsetParent.scrollLeft: <span id="elementScrollLeftRtl"></span>
</div>
<div> bidi.getScrollLeft(...): <span id="bidiScrollLeftRtl"></span></div>
<div> bidi.getOffsetStart(...): <span id="bidiOffsetStartRtl"></span></div>
<form name="formRtl" action="bidi_test.html#">
goog.style.setScrollOffset: <input name="pixelsRtl" type="text"/>
<a href="bidi_test.html#" onClick="goog.style.bidi.setScrollOffset(
document.getElementById('scrollDivRtl'),
parseInt(formRtl.elements['pixelsRtl'].value));">set</a>
</form>
</div>
<br/><br/><br/><br/><br/><br/><br/><br/>
</div>
<hr/>
<br/><br/>
<script type="text/javascript">
// Updates the calculated metrics.
function updateInfo() {
var element = document.getElementById('scrolledElementRtl');
document.getElementById('elementScrollLeftRtl').innerHTML =
element.offsetParent.scrollLeft;
document.getElementById('bidiOffsetStartRtl').innerHTML =
goog.style.bidi.getOffsetStart(element);
document.getElementById('bidiScrollLeftRtl').innerHTML =
goog.style.bidi.getScrollLeft(element.offsetParent);
element = document.getElementById('scrolledElementLtr');
document.getElementById('elementScrollLeftLtr').innerHTML =
element.offsetParent.scrollLeft;
document.getElementById('bidiOffsetStartLtr').innerHTML =
goog.style.bidi.getOffsetStart(element);
document.getElementById('bidiScrollLeftLtr').innerHTML =
goog.style.bidi.getScrollLeft(element.offsetParent);
}
function setUpPage() {
updateInfo();
}
function tearDown() {
document.documentElement.dir = 'ltr';
document.body.dir = 'ltr';
}
function testGetOffsetStart() {
var elm = document.getElementById('scrolledElementRtl');
assertEquals(elm.style['right'], goog.style.bidi.getOffsetStart(elm) + 'px');
elm = document.getElementById('scrolledElementLtr');
assertEquals(elm.style['left'], goog.style.bidi.getOffsetStart(elm) + 'px');
}
function testSetScrollOffsetRtl() {
var scrollElm = document.getElementById('scrollDivRtl');
var scrolledElm = document.getElementById('scrolledElementRtl');
var originalDistance =
goog.style.getRelativePosition(scrolledElm, document.body).x;
var scrollAndAssert = function(pixels) {
goog.style.bidi.setScrollOffset(scrollElm, pixels);
assertEquals(originalDistance + pixels,
goog.style.getRelativePosition(scrolledElm, document.body).x);
}
scrollAndAssert(0);
scrollAndAssert(50);
scrollAndAssert(100);
scrollAndAssert(150);
scrollAndAssert(155);
scrollAndAssert(0);
}
function testSetScrollOffsetLtr() {
var scrollElm = document.getElementById('scrollDivLtr');
var scrolledElm = document.getElementById('scrolledElementLtr');
var originalDistance =
goog.style.getRelativePosition(scrolledElm, document.body).x;
var scrollAndAssert = function(pixels) {
goog.style.bidi.setScrollOffset(scrollElm, pixels);
assertEquals(originalDistance - pixels,
goog.style.getRelativePosition(scrolledElm, document.body).x);
}
scrollAndAssert(0);
scrollAndAssert(50);
scrollAndAssert(100);
scrollAndAssert(150);
scrollAndAssert(155);
scrollAndAssert(0);
}
function testFixedBodyChildLtr() {
var bodyChild = document.getElementById('bodyChild');
assertEquals(goog.userAgent.GECKO ? document.body : null,
bodyChild.offsetParent);
assertEquals(60, goog.style.bidi.getOffsetStart(bodyChild));
}
function testFixedBodyChildRtl() {
document.documentElement.dir = 'rtl';
document.body.dir = 'rtl';
var bodyChild = document.getElementById('bodyChild');
assertEquals(goog.userAgent.GECKO ? document.body : null,
bodyChild.offsetParent);
var expectedOffsetStart =
goog.dom.getViewportSize().width - 60 - bodyChild.offsetWidth;
// Gecko seems to also add in the marginbox for the body.
// It's not really clear to me if this is true in the general case,
// or just under certain conditions.
if (goog.userAgent.GECKO) {
var marginBox = goog.style.getMarginBox(document.body);
expectedOffsetStart -= (marginBox.left + marginBox.right);
}
assertEquals(expectedOffsetStart,
goog.style.bidi.getOffsetStart(bodyChild));
}
</script>
</body>
</html>
|
