/**
* Stylish Select 0.4.5 - jQuery plugin to replace a select drop down box with a stylable unordered list
* http://github.com/sko77sun/Stylish-Select
*
* Requires: jQuery 1.3 or newer
*
* Contributions from Justin Beasley: http://www.harvest.org/ Anatoly Ressin: http://www.artazor.lv/ Wilfred Hughes: https://github.com/Wilfred
*
* Dual licensed under the MIT and GPL licenses.
*/
(function($)
{
//add class to html tag
$('html').addClass('stylish-select');
//Cross-browser implementation of indexOf from MDN: https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
if (!Array.prototype.indexOf)
{
Array.prototype.indexOf = function(searchElement /*, fromIndex */)
{
if (this === void 0 || this === null)
throw new TypeError();
var t = Object(this);
var len = t.length >>> 0;
if (len === 0)
return -1;
var n = 0;
if (arguments.length > 0)
{
n = Number(arguments[1]);
if (n !== n) // shortcut for verifying if it's NaN
n = 0;
else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0))
n = (n > 0 || -1) * Math.floor(Math.abs(n));
}
if (n >= len)
return -1;
var k = n >= 0
? n
: Math.max(len - Math.abs(n), 0);
for (; k < len; k++)
{
if (k in t && t[k] === searchElement)
return k;
}
return -1;
};
}
//utility methods
$.fn.extend(
{
getSetSSValue: function(value)
{
if (value)
{
//set value and trigger change event
$(this).val(value).change();
return this;
}
else
{
return $(this).find(':selected').val();
}
},
//added by Justin Beasley
resetSS: function()
{
var oldOpts = $(this).data('ssOpts');
$this = $(this);
$this.next().remove();
//unbind all events and redraw
$this.unbind('.sSelect').sSelect(oldOpts);
}
});
$.fn.sSelect = function(options)
{
return this.each(function()
{
var defaults = {
defaultText: 'Please select',
animationSpeed: 0, //set speed of dropdown
ddMaxHeight: '', //set css max-height value of dropdown
containerClass: '' //additional classes for container div
};
//initial variables
var opts = $.extend(defaults, options),
$input = $(this),
$containerDivText = $('
'),
$containerDiv = $(''),
$containerDivWrapper = $(''),
$newUl = $(''),
itemIndex = -1,
currentIndex = -1,
prevIndex = -1,
keys = [],
prevKey = false,
prevented = false,
$newLi;
//added by Justin Beasley
$(this).data('ssOpts',options);
//build new list
$containerDiv.insertAfter($input);
$containerDiv.attr("tabindex", $input.attr("tabindex") || "0");
$containerDivText.prependTo($containerDiv);
$newUl.appendTo($containerDiv);
$newUl.wrap($containerDivWrapper);
$containerDivWrapper = $newUl.parent();
$input.hide();
//added by Justin Beasley (used for lists initialized while hidden)
$containerDivText.data('ssReRender',!$containerDivText.is(':visible'));
//test for optgroup
if ($input.children('optgroup').length == 0)
{
$input.children().each(function(i)
{
var option = $(this).text();
var key = $(this).val();
//add first letter of each word to array
keys.push(option.charAt(0).toLowerCase());
if ($(this).attr('selected') == 'selected' || $(this).attr('selected') == true)
{
opts.defaultText = option;
currentIndex = prevIndex = i;
}
$newUl.append($(''+option+'').data('key', key));
});
//cache list items object
$newLi = $newUl.children().children();
}
else //optgroup
{
$input.children('optgroup').each(function()
{
var optionTitle = $(this).attr('label'),
$optGroup = $(''+optionTitle+''),
$optGroupList = $('');
$optGroup.appendTo($newUl);
$optGroupList.appendTo($optGroup);
$(this).children().each(function()
{
++itemIndex;
var option = $(this).text();
var key = $(this).val();
//add first letter of each word to array
keys.push(option.charAt(0).toLowerCase());
if ($(this).attr('selected') == 'selected' || $(this).attr('selected') == true)
{
opts.defaultText = option;
currentIndex = prevIndex = itemIndex;
}
$optGroupList.append($(''+option+'').data('key',key));
})
});
//cache list items object
$newLi = $newUl.find('ul li a');
}
//get heights of new elements for use later
var newUlHeight = $newUl.height(),
containerHeight = $containerDiv.height(),
newLiLength = $newLi.length;
//check if a value is selected
if (currentIndex != -1)
{
navigateList(currentIndex);
}
else
{
//set placeholder text
$containerDivText.text(opts.defaultText);
}
//decide if to place the new list above or below the drop-down
function newUlPos()
{
var containerPosY = $containerDiv.offset().top,
docHeight = $(window).height(),
scrollTop = $(window).scrollTop();
//if height of list is greater then max height, set list height to max height value
if (newUlHeight > parseInt(opts.ddMaxHeight))
{
newUlHeight = parseInt(opts.ddMaxHeight);
}
containerPosY = containerPosY-scrollTop;
if (containerPosY+newUlHeight >= docHeight)
{
$newUl.css(
{
height: newUlHeight
});
$containerDivWrapper.css({
top: '-'+newUlHeight+'px',
height: newUlHeight
});
$input.onTop = true;
}
else
{
$newUl.css(
{
height: newUlHeight
});
$containerDivWrapper.css(
{
top: containerHeight+'px',
height: newUlHeight
});
$input.onTop = false;
}
}
//run function on page load
newUlPos();
//run function on browser window resize
$(window).bind('resize.sSelect scroll.sSelect', newUlPos);
//positioning
function positionFix()
{
$containerDiv.css('position','relative');
}
function positionHideFix()
{
$containerDiv.css(
{
position: 'static'
});
}
$containerDivText.bind('click.sSelect',function(event)
{
event.stopPropagation();
//added by Justin Beasley
if($(this).data('ssReRender'))
{
newUlHeight = $newUl.height('').height();
$containerDivWrapper.height('');
containerHeight = $containerDiv.height();
$(this).data('ssReRender',false);
newUlPos();
}
//hide all menus apart from this one
$('.SSContainerDivWrapper')
.not($(this).next())
.hide()
.parent()
.css('position', 'static')
.removeClass('newListSelFocus');
//show/hide this menu
$containerDivWrapper.toggle();
positionFix();
//scroll list to selected item
if(currentIndex == -1) currentIndex = 0;
$newLi.eq(currentIndex).focus();
});
function closeDropDown(fireChange, resetText)
{
if(fireChange == true)
{
prevIndex = currentIndex;
$input.change();
}
if(resetText == true)
{
currentIndex = prevIndex;
navigateList(currentIndex);
}
$containerDivWrapper.hide();
positionHideFix();
}
$newLi.bind('click.sSelect',function(e)
{
var $clickedLi = $(e.target);
//update counter
currentIndex = $newLi.index($clickedLi);
//remove all hilites, then add hilite to selected item
prevented = true;
navigateList(currentIndex, true);
closeDropDown();
});
$newLi.bind('mouseenter.sSelect',
function(e)
{
var $hoveredLi = $(e.target);
$hoveredLi.addClass('newListHover');
}
).bind('mouseleave.sSelect',
function(e)
{
var $hoveredLi = $(e.target);
$hoveredLi.removeClass('newListHover');
}
);
function navigateList(currentIndex, fireChange)
{
if(currentIndex == -1)
{
$containerDivText.text(opts.defaultText);
$newLi.removeClass('hiLite');
}
else
{
$newLi.removeClass('hiLite')
.eq(currentIndex)
.addClass('hiLite');
var text = $newLi.eq(currentIndex).text(),
val = $newLi.eq(currentIndex).parent().data('key');
try
{
$input.val(val)
}
catch(ex)
{
// handle ie6 exception
$input[0].selectedIndex = currentIndex;
}
$containerDivText.text(text);
//only fire change event if specified
if(fireChange == true)
{
prevIndex = currentIndex;
$input.change();
}
if ($containerDivWrapper.is(':visible'))
{
$newLi.eq(currentIndex).focus();
}
}
}
$input.bind('change.sSelect',function(event)
{
var $targetInput = $(event.target);
//stop change function from firing
if (prevented == true)
{
prevented = false;
return false;
}
var $currentOpt = $targetInput.find(':selected');
currentIndex = $targetInput.find('option').index($currentOpt);
navigateList(currentIndex);
});
//handle up and down keys
function keyPress(element)
{
//when keys are pressed
$(element).unbind('keydown.sSelect').bind('keydown.sSelect',function(e)
{
var keycode = e.which;
//prevent change function from firing
prevented = true;
switch(keycode)
{
case 40: //down
case 39: //right
incrementList();
return false;
break;
case 38: //up
case 37: //left
decrementList();
return false;
break;
case 33: //page up
case 36: //home
gotoFirst();
return false;
break;
case 34: //page down
case 35: //end
gotoLast();
return false;
break;
case 13: //enter
case 27: //esc
closeDropDown(true);
return false;
break;
}
//check for keyboard shortcuts
keyPressed = String.fromCharCode(keycode).toLowerCase();
var currentKeyIndex = keys.indexOf(keyPressed);
if (typeof currentKeyIndex != 'undefined')
{ //if key code found in array
++currentIndex;
currentIndex = keys.indexOf(keyPressed, currentIndex); //search array from current index
if (currentIndex == -1 || currentIndex == null || prevKey != keyPressed)
{
// if no entry was found or new key pressed search from start of array
currentIndex = keys.indexOf(keyPressed);
}
navigateList(currentIndex);
//store last key pressed
prevKey = keyPressed;
return false;
}
});
}
function incrementList()
{
if (currentIndex < (newLiLength-1))
{
++currentIndex;
navigateList(currentIndex);
}
}
function decrementList()
{
if (currentIndex > 0)
{
--currentIndex;
navigateList(currentIndex);
}
}
function gotoFirst()
{
currentIndex = 0;
navigateList(currentIndex);
}
function gotoLast()
{
currentIndex = newLiLength-1;
navigateList(currentIndex);
}
$containerDiv.bind('click.sSelect',function(e)
{
e.stopPropagation();
keyPress(this);
});
$containerDiv.bind('focus.sSelect',function()
{
$(this).addClass('newListSelFocus');
keyPress(this);
});
$containerDiv.bind('blur.sSelect',function()
{
$(this).removeClass('newListSelFocus');
});
//hide list on blur
$(document).bind('click.sSelect',function()
{
$containerDiv.removeClass('newListSelFocus');
if ($containerDivWrapper.is(':visible'))
{
closeDropDown(false, true);
}
else
{
closeDropDown(false);
}
});
//add classes on hover
$containerDivText.bind('mouseenter.sSelect',
function(e)
{
var $hoveredTxt = $(e.target);
$hoveredTxt.parent().addClass('newListSelHover');
}
).bind('mouseleave.sSelect',
function(e)
{
var $hoveredTxt = $(e.target);
$hoveredTxt.parent().removeClass('newListSelHover');
}
);
//reset left property and hide
$containerDivWrapper.css(
{
left: '0',
display: 'none',
visibility: 'visible'
});
});
};
})(jQuery);