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/**
*
* JQuery QuickSearch - Hook up a form field to hide non-matching elements.
* $Id: quicksearch.js 53 2009-01-07 02:52:03Z deveiant $
*
* Author: Michael Granger <mgranger@laika.com>
*
*/
jQuery.fn.quicksearch = function( target, searchElems, options ) {
// console.debug( "Quicksearch fn" );
var settings = {
delay: 250,
clearButton: false,
highlightMatches: false,
focusOnLoad: false,
noSearchResultsIndicator: null
};
if ( options ) $.extend( settings, options );
return jQuery(this).each( function() {
// console.debug( "Creating a new quicksearch on %o for %o", this, searchElems );
new jQuery.quicksearch( this, searchElems, settings );
});
};
jQuery.quicksearch = function( searchBox, searchElems, settings ) {
var timeout;
var boxdiv = $(searchBox).parents('div').eq(0);
function init() {
setupKeyEventHandlers();
focusOnLoad();
};
function setupKeyEventHandlers() {
// console.debug( "Hooking up the 'keypress' event to %o", searchBox );
$(searchBox).
unbind( 'keyup' ).
keyup( function(e) { return onSearchKey( e.keyCode ); });
$(searchBox).
unbind( 'keypress' ).
keypress( function(e) {
switch( e.which ) {
// Execute the search on Enter, Tab, or Newline
case 9:
case 13:
case 10:
clearTimeout( timeout );
e.preventDefault();
doQuickSearch();
break;
// Allow backspace
case 8:
return true;
break;
// Only allow valid search characters
default:
return validQSChar( e.charCode );
}
});
};
function focusOnLoad() {
if ( !settings.focusOnLoad ) return false;
$(searchBox).focus();
};
function onSearchKey ( code ) {
clearTimeout( timeout );
// console.debug( "...scheduling search." );
timeout = setTimeout( doQuickSearch, settings.delay );
};
function validQSChar( code ) {
var c = String.fromCharCode( code );
return (
(c == ':') ||
(c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z')
);
};
function doQuickSearch() {
var searchText = searchBox.value;
var pat = new RegExp( searchText, "im" );
var shownCount = 0;
if ( settings.noSearchResultsIndicator ) {
$('#' + settings.noSearchResultsIndicator).hide();
}
// All elements start out hidden
$(searchElems).each( function(index) {
var str = $(this).text();
if ( pat.test(str) ) {
shownCount += 1;
$(this).fadeIn();
} else {
$(this).hide();
}
});
if ( shownCount == 0 && settings.noSearchResultsIndicator ) {
$('#' + settings.noSearchResultsIndicator).slideDown();
}
};
init();
};
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