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-<!DOCTYPE html>
-<html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
- <meta name="apple-mobile-web-app-capable" content="yes">
- <title>Custom and accessible panel</title>
- <link rel="stylesheet" href="../theme/default/style.css" type="text/css">
- <link rel="stylesheet" href="style.css" type="text/css">
- <style type="text/css">
-
- .olControlPanel button {
- position: relative;
- display: block;
- margin: 2px;
- border: 1px solid;
- padding: 0 5px;
- border-radius: 4px;
- height: 35px;
- background-color: white;
- float: left;
- overflow: visible; /* needed to remove padding from buttons in IE */
- }
- .olControlPanel button span {
- padding-left: 25px;
- }
- .olControlPanel button span:first-child {
- padding-left: 0;
- display: block;
- position: absolute;
- left: 2px;
- }
- .olControlPanel .olControlDrawFeatureItemActive span:first-child {
- background-image: url("../theme/default/img/draw_line_on.png");
- height: 22px;
- width: 24px;
- top: 5px;
- }
- .olControlPanel .olControlDrawFeatureItemInactive span:first-child {
- background-image: url("../theme/default/img/draw_line_off.png");
- height: 22px;
- width: 24px;
- top: 5px;
- }
- .olControlPanel .olControlZoomBoxItemInactive span:first-child {
- background-image: url("../img/drag-rectangle-off.png");
- height: 29px;
- width: 29px;
- top: 2px;
- }
- .olControlPanel .olControlZoomBoxItemActive span:first-child {
- background-image: url("../img/drag-rectangle-on.png");
- height: 29px;
- width: 29px;
- top: 2px;
- }
- .olControlPanel .olControlZoomToMaxExtentItemInactive span:first-child {
- background-image: url("../img/zoom-world-mini.png");
- height: 18px;
- width: 18px;
- top: 8px;
- }
- .olControlPanel .navHistory span:first-child {
- background-image: url("../theme/default/img/navigation_history.png");
- height: 24px;
- width: 24px;
- top: 4px;
- }
- .olControlPanel .navHistoryPreviousItemActive span:first-child {
- background-position: 0 0;
- }
- .olControlPanel .navHistoryPreviousItemInactive span:first-child {
- background-position: 0 -24px;
- }
- .olControlPanel .navHistoryNextItemActive span:first-child {
- background-position: -24px 0;
- }
- .olControlPanel .navHistoryNextItemInactive span:first-child {
- background-position: -24px -24px;
- }
-
- </style>
- <script src="../lib/OpenLayers.js"></script>
- <script src="accessible-panel.js"></script>
- </head>
- <body onload="init()">
- <h1 id="title">Custom and accessible panel</h1>
- <div id="tags">
- panels, CSS, style, accessibility, button
- </div>
- <p id="shortdesc">
- Create a custom and accessible panel, styled entirely with
- CSS.
- </p>
- <div id="panel"></div>
- <div id="map" class="smallmap"></div>
-
- <div id="docs">
-
- <p>An accessible panel:
-
- <ul>
- <li>The buttons are actual HTML buttons. You can therefore
- use the TAB key to give the focus to the panel's buttons, and the "ENTER"
- key to activate or trigger the corresponding control.</li>
- <li>The buttons include text and titles (displayed when a button
- is hovered).</li>
- <li>If you remove colors from the page (for example using FireFox's <a
- href="https://addons.mozilla.org/en-US/firefox/addon/no-color/">No
- Color extension</a>) the buttons are still visible, and
- accessible using the keyboard.</li>
- </ul>
- </p>
-
- <p>By default a panel creates buttons as divs. In this example the
- <code>createControlMarkup</code> panel function is overridden to create
- a more accessible markup for the buttons. See the <a
- href="accessible-panel.js" target="_blank"> accessible-panel.js
- source</a> to see how this is done.</p>
-
- <p>Note: in IE 8, when a button is pressed its content shifts by 1 pixel.
- This is a <a
- href="http://labs.findsubstance.com/2009/05/21/ie8-form-button-with-background-image-on-click-css-bug/">known
- IE8 bug</a>, with known workarounds. No workaround is applied in this
- example though.</p>
-
- </div>
-
- </body>
-</html>