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Diffstat (limited to 'misc/openlayers/examples/accessible-panel.html')
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diff --git a/misc/openlayers/examples/accessible-panel.html b/misc/openlayers/examples/accessible-panel.html new file mode 100644 index 0000000..d46d4fb --- /dev/null +++ b/misc/openlayers/examples/accessible-panel.html @@ -0,0 +1,130 @@ +<!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> |