mirror of
https://github.com/jquery/jquery-ui.git
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74 lines
2.2 KiB
HTML
74 lines
2.2 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, minimum-scale=1, maximum-scale=1">
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<title>jQuery UI Draggable - Draggable Map</title>
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<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
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<script src="../../jquery-1.7.1.js"></script>
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<script src="../../ui/jquery.ui.core.js"></script>
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<script src="../../ui/jquery.ui.widget.js"></script>
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<script src="../../ui/jquery.ui.interaction.js"></script>
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<script src="../../ui/jquery.ui.draggable.js"></script>
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<link rel="stylesheet" href="../demos.css">
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<style>
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html, body, .demo { height: 90%; }
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#map { width: 100%; height: 100%; max-width: 640px; overflow: hidden; position: relative; }
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#map img { position: absolute; }
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</style>
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<script>
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$(window).load(function() {
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var viewport = $("#map");
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var img = viewport.find("img");
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var viewWidth = viewport.width();
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var viewHeight = viewport.height();
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var imgWidth = img.width();
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var imgHeight = img.height();
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var leftMax = imgWidth - viewWidth;
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var topMax = imgHeight - viewHeight;
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img.draggable({
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drag: function(event, ui) {
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if (viewWidth > imgWidth) {
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// center when there's just one image
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ui.position.left = viewWidth / 2 - imgWidth / 2;
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} else {
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if (ui.position.left > 0) {
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ui.position.left = 0;
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} else if (ui.position.left + imgWidth < viewWidth) {
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ui.position.left = -leftMax;
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}
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}
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if (viewHeight > imgHeight) {
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// center when the view is bigger then the image
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ui.position.top = viewHeight / 2 - imgHeight / 2;
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} else {
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if (ui.position.top > 0) {
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ui.position.top = 0;
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} else if (ui.position.top + imgHeight < viewHeight) {
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ui.position.top = -topMax;
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}
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}
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}
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});
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});
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</script>
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</head>
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<body>
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<div class="demo">
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<div id="map" class="ui-widget-content">
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<img src="http://maps.google.com/maps/api/staticmap?zoom=11&size=640x640&maptype=terrain&sensor=false¢er=Vienna">
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</div>
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</div><!-- End demo -->
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<div class="demo-description">
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<p>Drag the map around inside the viewport. Works with touch devices.</p>
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</div><!-- End demo-description -->
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</body>
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</html>
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