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<!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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<title>jQuery UI Slider - Slider scrollbar</title>
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<link type="text/css" href="../../themes/base/jquery.ui.all.css" rel="stylesheet" />
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<script type="text/javascript" src="../../jquery-1.4.2.js"></script>
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<script type="text/javascript" src="../../ui/jquery.ui.core.js"></script>
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<script type="text/javascript" src="../../ui/jquery.ui.widget.js"></script>
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<script type="text/javascript" src="../../ui/jquery.ui.mouse.js"></script>
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<script type="text/javascript" src="../../ui/jquery.ui.slider.js"></script>
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<link type="text/css" href="../demos.css" rel="stylesheet" />
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<style type="text/css">
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#demo-frame > div.demo { padding: 10px !important; }
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.scroll-pane { overflow: auto; width: 99%; float:left; }
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.scroll-content { width: 2440px; float: left; }
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.scroll-content-item { width: 100px; height: 100px; float: left; margin: 10px; font-size: 3em; line-height: 96px; text-align: center; }
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* html .scroll-content-item { display: inline; } /* IE6 float double margin bug */
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.scroll-bar-wrap { clear: left; padding: 0 4px 0 2px; margin: 0 -1px -1px -1px; }
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.scroll-bar-wrap .ui-slider { background: none; border:0; height: 2em; margin: 0 auto; }
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.scroll-bar-wrap .ui-handle-helper-parent { position: relative; width: 100%; height: 100%; margin: 0 auto; }
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.scroll-bar-wrap .ui-slider-handle { top:.2em; height: 1.5em; }
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.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 type="text/javascript">
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$(function() {
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//scrollpane parts
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var scrollPane = $('.scroll-pane');
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var scrollContent = $('.scroll-content');
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//build slider
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var scrollbar = $(".scroll-bar").slider({
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slide:function(e, ui){
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if( scrollContent.width() > scrollPane.width() ){ scrollContent.css('margin-left', Math.round( ui.value / 100 * ( scrollPane.width() - scrollContent.width() )) + 'px'); }
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else { scrollContent.css('margin-left', 0); }
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}
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});
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//append icon to handle
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var handleHelper = scrollbar.find('.ui-slider-handle')
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.mousedown(function(){
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scrollbar.width( handleHelper.width() );
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})
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.mouseup(function(){
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scrollbar.width( '100%' );
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})
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.append('<span class="ui-icon ui-icon-grip-dotted-vertical"></span>')
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.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();
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var proportion = remainder / scrollContent.width();
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var handleSize = scrollPane.width() - (proportion * scrollPane.width());
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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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}
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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'));
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var percentage = Math.round(leftVal / remainder * 100);
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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(){
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var showing = scrollContent.width() + parseInt( scrollContent.css('margin-left') );
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var gap = scrollPane.width() - showing;
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if(gap > 0){
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scrollContent.css('margin-left', parseInt( scrollContent.css('margin-left') ) + gap);
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}
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}
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//change handle position on window resize
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$(window)
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.resize(function(){
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resetValue();
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sizeScrollbar();
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reflowContent();
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});
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//init scrollbar size
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setTimeout(sizeScrollbar,10);//safari wants a timeout
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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 class="scroll-pane ui-widget ui-widget-header ui-corner-all">
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<div class="scroll-content">
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<div class="scroll-content-item ui-widget-header">1</div>
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<div class="scroll-content-item ui-widget-header">2</div>
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<div class="scroll-content-item ui-widget-header">3</div>
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<div class="scroll-content-item ui-widget-header">4</div>
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<div class="scroll-content-item ui-widget-header">5</div>
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<div class="scroll-content-item ui-widget-header">6</div>
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<div class="scroll-content-item ui-widget-header">7</div>
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<div class="scroll-content-item ui-widget-header">8</div>
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<div class="scroll-content-item ui-widget-header">9</div>
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<div class="scroll-content-item ui-widget-header">10</div>
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<div class="scroll-content-item ui-widget-header">11</div>
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<div class="scroll-content-item ui-widget-header">12</div>
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<div class="scroll-content-item ui-widget-header">13</div>
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<div class="scroll-content-item ui-widget-header">14</div>
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<div class="scroll-content-item ui-widget-header">15</div>
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<div class="scroll-content-item ui-widget-header">16</div>
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<div class="scroll-content-item ui-widget-header">17</div>
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<div class="scroll-content-item ui-widget-header">18</div>
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<div class="scroll-content-item ui-widget-header">19</div>
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<div class="scroll-content-item ui-widget-header">20</div>
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</div>
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<div class="scroll-bar-wrap ui-widget-content ui-corner-bottom">
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<div class="scroll-bar"></div>
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</div>
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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>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>
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</div><!-- End demo-description -->
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</body>
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</html>
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