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<!DOCTYPE html>
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< html lang = "en" >
< head >
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< meta charset = "utf-8" >
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< title > jQuery UI Slider - Slider scrollbar< / title >
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< link rel = "stylesheet" href = "../../themes/base/jquery.ui.all.css" >
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< script src = "../../jquery-1.5.1.js" > < / script >
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< script src = "../../ui/jquery.ui.core.js" > < / script >
< script src = "../../ui/jquery.ui.widget.js" > < / script >
< script src = "../../ui/jquery.ui.mouse.js" > < / script >
< script src = "../../ui/jquery.ui.slider.js" > < / script >
< link rel = "stylesheet" href = "../demos.css" >
< style >
#demo-frame > div.demo { padding: 10px !important; }
.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; }
* html .scroll-content-item { display: inline; } /* IE6 float double margin bug */
.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%; }
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< / style >
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< script >
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$(function() {
//scrollpane parts
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var scrollPane = $( ".scroll-pane" ),
scrollContent = $( ".scroll-content" );
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//build slider
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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 );
}
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}
});
//append icon to handle
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var handleHelper = scrollbar.find( ".ui-slider-handle" )
.mousedown(function() {
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scrollbar.width( handleHelper.width() );
})
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.mouseup(function() {
scrollbar.width( "100%" );
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})
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.append( "< span class = 'ui-icon ui-icon-grip-dotted-vertical' > < / span > " )
.wrap( "< div class = 'ui-handle-helper-parent' > < / div > " ).parent();
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//change overflow to hidden now that slider handles the scrolling
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scrollPane.css( "overflow", "hidden" );
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//size scrollbar and handle proportionally to scroll distance
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function sizeScrollbar() {
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var remainder = scrollContent.width() - scrollPane.width();
var proportion = remainder / scrollContent.width();
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var handleSize = scrollPane.width() - ( proportion * scrollPane.width() );
scrollbar.find( ".ui-slider-handle" ).css({
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width: handleSize,
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"margin-left": -handleSize / 2
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});
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handleHelper.width( "" ).width( scrollbar.width() - handleSize );
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}
//reset slider value based on scroll content position
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function resetValue() {
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var remainder = scrollPane.width() - scrollContent.width();
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var leftVal = scrollContent.css( "margin-left" ) === "auto" ? 0 :
parseInt( scrollContent.css( "margin-left" ) );
var percentage = Math.round( leftVal / remainder * 100 );
scrollbar.slider( "value", percentage );
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}
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//if the slider is 100% and window gets larger, reveal content
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function reflowContent() {
var showing = scrollContent.width() + parseInt( scrollContent.css( "margin-left" ), 10 );
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var gap = scrollPane.width() - showing;
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if ( gap > 0 ) {
scrollContent.css( "margin-left", parseInt( scrollContent.css( "margin-left" ), 10 ) + gap );
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}
}
//change handle position on window resize
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$( window ).resize(function() {
resetValue();
sizeScrollbar();
reflowContent();
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});
//init scrollbar size
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setTimeout( sizeScrollbar, 10 );//safari wants a timeout
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});
< / script >
< / head >
< body >
< div class = "demo" >
< 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 > <!-- End demo -->
< 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 > <!-- End demo - description -->
< / body >
< / html >
