/***********************************************************/
/* LiveFilter Plugin */
/* Version: 1.4 */
/* Mike Merritt */
/* Updated: Mar 04, 2011 */
/***********************************************************/

(function($){
$.fn.liveFilter = function (options) {

// Default settings
var defaults = {
delay: 0,
defaultText: 'Type to Filter:',
hideDefault: false,
zebra: false,
zBase: false,
addInputs: false

};

// Overwrite default settings with user provided ones.
var options = $.extend({}, defaults, options);

// Cache our wrapper element and determine what target we are going to be filtering,
// also declare a couple more vars for global use.
var wrap = $(this);
var filterTarget = wrap.find('table');
var keyDelay;
var filter;
var child;

// Determine what sub elements we are going to be showing/hiding depending on
// what our filter target is.
if (filterTarget.is('ul') || filterTarget.is('ol')) {
child = 'li';
} else if (filterTarget.is('table')) {
child = 'tbody tr';
}

// Hide the list/table by default. If not being hidden apply zebra striping if needed.
if (options.hideDefault === true) {
$(filterTarget).find(child).hide()
} else if (options.hideDefault === false && options.zebra != false) {
zebraStriping();
}

// Cache all of our list/table elements so we don't have to select them over and over again.
var cache = $(filterTarget).find(child);

// Text input keyup event
wrap.find('input[type="text"]').keyup(function() {

// For use in the following callback.
var input = $(this);

// Used to reset the timeout so we can start over again if another key is pressed
// before our current timeout has expired.
clearTimeout(keyDelay);

// Adding a timeout before we do any iterating or showing/hiding to help with performance
// when the user types very quickly.
keyDelay = setTimeout(function () {

// Getting the text to filter.
filter = input.val().toLowerCase();

// Iterate through our cache of elements and match our supplied filter to the text of the element.
cache.each(function(i) {
text1 = $(this).find(".shoplisttitle").text().toLowerCase();
text2 = $(this).find(".shoplistaddress").text().toLowerCase();
if (text1.indexOf(filter) >= 0 || text2.indexOf(filter) >= 0) {
$(this).show();
} else {
$(this).hide();
}
});

if(options.zebra != false) {
zebraStriping();
}

clearTimeout(keyDelay);

}, options.delay);


});

// Used to reset our text input and show all items in the filtered list
wrap.find('input[type="reset"]').click(function() {

if (options.defaultText === false) {

wrap.find('input[type="text"]').attr('value', '');

if (options.hideDefault === false) {
cache.each(function(i) {
$(this).show();
});
} else if (options.hideDefault === true) {
cache.each(function(i) {
$(this).hide();
});
}

} else {

wrap.find('input[type="text"]').attr('value', options.defaultText);

if (options.hideDefault === false) {
cache.each(function(i) {
$(this).show();
});
} else if (options.hideDefault === true) {
cache.each(function(i) {
$(this).hide();
});
}

}

return false;

});


// Used to set the default text of the text input if there is any
if (options.defaultText != false) {
var input = wrap.find('input[type="text"]');

input.attr('value', options.defaultText);

input.focus(function() {

var curVal = $(this).attr('value');

if (curVal === options.defaultText) {
$(this).attr('value', '');
}

});

input.blur(function() {

var curVal = $(this).attr('value');

if (curVal === '') {
$(this).attr('value', options.defaultText);
}

});

}

// Used to add inputs to the wrapping div if set to true.
if (options.addInputs === true) {
var markup = '<input class="filter" type="text" value="" /><input class="reset" type="reset" value="Reset!" />';
wrap.prepend(markup);
}

// Used for zebra striping list/table.
function zebraStriping() {

$(filterTarget).find(child + ':visible:odd').css({ background: options.zebra });
$(filterTarget).find(child + ':visible:even').css({ background: options.zBase });
}

}
})(jQuery);