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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 rel="stylesheet" href="../../themes/base/jquery.ui.all.css"> |
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<script src="../../jquery-1.9.1.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.mouse.js"></script> |
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<script src="../../ui/jquery.ui.slider.js"></script> |
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<link rel="stylesheet" href="../demos.css"> |
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<style> |
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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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.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> |
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$(function() { |
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//scrollpane parts |
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var scrollPane = $( ".scroll-pane" ), |
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scrollContent = $( ".scroll-content" ); |
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|
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//build slider |
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var scrollbar = $( ".scroll-bar" ).slider({ |
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slide: function( event, ui ) { |
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if ( scrollContent.width() > scrollPane.width() ) { |
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scrollContent.css( "margin-left", Math.round( |
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ui.value / 100 * ( scrollPane.width() - scrollContent.width() ) |
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) + "px" ); |
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} else { |
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scrollContent.css( "margin-left", 0 ); |
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} |
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} |
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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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|
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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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|
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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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|
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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 : |
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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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|
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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" ), 10 ); |
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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" ), 10 ) + gap ); |
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} |
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} |
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|
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//change handle position on window resize |
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$( window ).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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|
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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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|
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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> |
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</body> |
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</html> |
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