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side-scroll.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI Slider - Slider scrollbar</title>
<link rel="stylesheet" href="../../themes/base/all.css">
<script src="../../external/jquery/jquery.js"></script>
<script src="../../ui/core.js"></script>
<script src="../../ui/widget.js"></script>
<script src="../../ui/mouse.js"></script>
<script src="../../ui/slider.js"></script>
<link rel="stylesheet" href="../demos.css">
<style>
.scroll-pane { overflow: auto; width: 99%; float:left; }
.scroll-content { width: 2440px; float: left; }
.scroll-content-item { width: 100px; height: 100px; float: left; margin: 10px; font-size: 3em; line-height: 96px; text-align: center; }
.scroll-bar-wrap { clear: left; padding: 0 4px 0 2px; margin: 0 -1px -1px -1px; }
.scroll-bar-wrap .ui-slider { background: none; border:0; height: 2em; margin: 0 auto; }
.scroll-bar-wrap .ui-handle-helper-parent { position: relative; width: 100%; height: 100%; margin: 0 auto; }
.scroll-bar-wrap .ui-slider-handle { top:.2em; height: 1.5em; }
.scroll-bar-wrap .ui-slider-handle .ui-icon { margin: -8px auto 0; position: relative; top: 50%; }
</style>
<script>
$(function() {
//scrollpane parts
var scrollPane = $( ".scroll-pane" ),
scrollContent = $( ".scroll-content" );
//build slider
var scrollbar = $( ".scroll-bar" ).slider({
slide: function( event, ui ) {
if ( scrollContent.width() > scrollPane.width() ) {
scrollContent.css( "margin-left", Math.round(
ui.value / 100 * ( scrollPane.width() - scrollContent.width() )
) + "px" );
} else {
scrollContent.css( "margin-left", 0 );
}
}
});
//append icon to handle
var handleHelper = scrollbar.find( ".ui-slider-handle" )
.mousedown(function() {
scrollbar.width( handleHelper.width() );
})
.mouseup(function() {
scrollbar.width( "100%" );
})
.append( "<span class='ui-icon ui-icon-grip-dotted-vertical'></span>" )
.wrap( "<div class='ui-handle-helper-parent'></div>" ).parent();
//change overflow to hidden now that slider handles the scrolling
scrollPane.css( "overflow", "hidden" );
//size scrollbar and handle proportionally to scroll distance
function sizeScrollbar() {
var remainder = scrollContent.width() - scrollPane.width();
var proportion = remainder / scrollContent.width();
var handleSize = scrollPane.width() - ( proportion * scrollPane.width() );
scrollbar.find( ".ui-slider-handle" ).css({
width: handleSize,
"margin-left": -handleSize / 2
});
handleHelper.width( "" ).width( scrollbar.width() - handleSize );
}
//reset slider value based on scroll content position
function resetValue() {
var remainder = scrollPane.width() - scrollContent.width();
var leftVal = scrollContent.css( "margin-left" ) === "auto" ? 0 :
parseInt( scrollContent.css( "margin-left" ) );
var percentage = Math.round( leftVal / remainder * 100 );
scrollbar.slider( "value", percentage );
}
//if the slider is 100% and window gets larger, reveal content
function reflowContent() {
var showing = scrollContent.width() + parseInt( scrollContent.css( "margin-left" ), 10 );
var gap = scrollPane.width() - showing;
if ( gap > 0 ) {
scrollContent.css( "margin-left", parseInt( scrollContent.css( "margin-left" ), 10 ) + gap );
}
}
//change handle position on window resize
$( window ).resize(function() {
resetValue();
sizeScrollbar();
reflowContent();
});
//init scrollbar size
setTimeout( sizeScrollbar, 10 );//safari wants a timeout
});
</script>
</head>
<body>
<div class="scroll-pane ui-widget ui-widget-header ui-corner-all">
<div class="scroll-content">
<div class="scroll-content-item ui-widget-header">1</div>
<div class="scroll-content-item ui-widget-header">2</div>
<div class="scroll-content-item ui-widget-header">3</div>
<div class="scroll-content-item ui-widget-header">4</div>
<div class="scroll-content-item ui-widget-header">5</div>
<div class="scroll-content-item ui-widget-header">6</div>
<div class="scroll-content-item ui-widget-header">7</div>
<div class="scroll-content-item ui-widget-header">8</div>
<div class="scroll-content-item ui-widget-header">9</div>
<div class="scroll-content-item ui-widget-header">10</div>
<div class="scroll-content-item ui-widget-header">11</div>
<div class="scroll-content-item ui-widget-header">12</div>
<div class="scroll-content-item ui-widget-header">13</div>
<div class="scroll-content-item ui-widget-header">14</div>
<div class="scroll-content-item ui-widget-header">15</div>
<div class="scroll-content-item ui-widget-header">16</div>
<div class="scroll-content-item ui-widget-header">17</div>
<div class="scroll-content-item ui-widget-header">18</div>
<div class="scroll-content-item ui-widget-header">19</div>
<div class="scroll-content-item ui-widget-header">20</div>
</div>
<div class="scroll-bar-wrap ui-widget-content ui-corner-bottom">
<div class="scroll-bar"></div>
</div>
</div>
<div class="demo-description">
<p>Use a slider to manipulate the positioning of content on the page. In this case, it acts as a scrollbar with the potential to capture values if needed.</p>
</div>
</body>
</html>