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improve the accessible.html example

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Éric Lemoine
2012-01-24 13:59:00 +01:00
parent e15dde0561
commit 81e8b4200d
1 changed files with 38 additions and 19 deletions
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57
examples/accessible.html
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@@ -31,6 +31,15 @@
font-size:1em;
text-decoration:underline;
}
a.accesskey {
color: white;
}
a.accesskey:focus {
color: #436976;
}
a.zoom {
padding-right: 20px;
}
</style>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript">
@@ -57,31 +66,37 @@
keyboard, pan, panning, zoom, zooming, accesskey
</div>
<a class="accesskey"
href=""
accesskey="1"
onclick="document.getElementById('map').focus(); return false;">
Go to map
</a>
<p id="shortdesc">
Demonstrate how to use the KeyboardDefaults option parameter for layer types.
Demonstrate the KeyboardDefaults control and how to use links
with Access Keys to navigate the map with the keyboard.
</p>
<a class="zoom"
href="javascript: void map.zoomIn();"
accesskey="i">
zoom <em>i</em>n</a>
<a class="zoom"
href="javascript: void map.zoomOut();"
accesskey="o">
zoom <em>o</em>ut</a>
<table>
<tbody>
<tr>
<td>
<a href="javascript: void map.zoomOut();"
accesskey="o">
zoom <em>o</em>ut
</a>
</td>
<td>&nbsp;</td>
<td>
<a href="javascript: void map.pan(0, -map.getSize().h / 4);"
accesskey="n">
pan <em>n</em>orth
</a>
</td>
<td>
<a href="javascript: void map.zoomIn();"
accesskey="i">
zoom <em>i</em>n
</a>
</td>
</tr>
<tr>
<td>
@@ -90,7 +105,7 @@
pan <em>w</em>est
</a>
</td>
<td id="map" class="smallmap"></td>
<td id="map" class="smallmap" tabindex="0"></td>
<td>
<a href="javascript: void map.pan(map.getSize().w / 4, 0);"
accesskey="e">
@@ -113,9 +128,9 @@
<div id="docs">
<p>Navigate the map in one of three ways:</p>
<ul>
<li>Click on the named links to zoom and pan</li>
<li>Use following keys to pan and zoom:
<ol>
<li>Use Access Key "1" (alt + 1) to focus the map element, and
use following keys to pan and zoom:
<ul>
<li>+ (zoom in)</li>
<li>- (zoom out)</li>
@@ -124,8 +139,12 @@
<li>left-arrow (pan east)</li>
<li>right-arrow (pan west)</li>
</ul>
See <a href=http://en.wikipedia.org/wiki/Access_key>wikipedia</a> for
more detail about Access Keys.
</li>
<li>If access keys work for links in your browser, use:
<li>Navigate to pan and zoom links using the "tab" key, and
press "enter" to pan and zoom</li>
<li>If Access Keys work for links in your browser, use:
<ul>
<li>i (zoom in)</li>
<li>o (zoom out)</li>
@@ -135,7 +154,7 @@
<li>w (pan west)</li>
</ul>
</li>
</ul>
</ol>
<p>
This is an example of using alternate methods to control panning and zooming. This approach uses map.pan() and map.zoom(). You'll note that to pan, additional math is necessary along with map.size() in order to set the distance to pan.