jQuery.fn.extend({
	selectbox: function(options) {
		return this.each(function() {
			new jQuery.SelectBox(this, options);
		});
	}
});


/* IE WORKAROUND */
if (!window.console) {
	var console = {
		log: function(msg) { 
	 }
	}
}

jQuery.SelectBox = function(selectobj, options) {
	
	var opt = options || {};
	opt.inputClass = opt.inputClass || "selectbox";
	opt.containerClass = opt.containerClass || "selectbox-wrapper";
	opt.hoverClass = opt.hoverClass || "current";
	opt.currentClass = opt.selectedClass || "selected"
	opt.debug = opt.debug || false;
    //onchange behavior
    opt.onChange = opt.onChange || false;
    opt.params = opt.params || false;
	
	var elm_id = selectobj.id;
	var active = -1;
	var inFocus = false;
	var hasfocus = 0;
	//jquery object for select element
	var jQueryselect = jQuery(selectobj);
	// jquery container object
	var jQuerycontainer = setupContainer(opt);
	//jquery input object 
	var jQueryinput = setupInput(opt);
	// hide select and append newly created elements
	jQueryselect.hide().before(jQueryinput).before(jQuerycontainer);
	
	
	init();
	
	jQueryinput
	.click(function(){
    if (!inFocus) {
		  jQuerycontainer.toggle();
		}
	})
	.focus(function(){
	   if (jQuerycontainer.not(':visible')) {
	       inFocus = true;
	       jQuerycontainer.fadeIn(100);
	   }
	})
	.keydown(function(event) {	   
		switch(event.keyCode) {
			case 38: // up
				event.preventDefault();
				moveSelect(-1);
				break;
			case 40: // down
				event.preventDefault();
				moveSelect(1);
				break;
			//case 9:  // tab 
			case 13: // return
				event.preventDefault(); // seems not working in mac !
				jQuery('li.'+opt.hoverClass).trigger('click');
				break;
			case 27: //escape
			  hideMe();
			  break;
		}
	})
	.blur(function() {
		if (jQuerycontainer.is(':visible') && hasfocus > 0 ) {
			if(opt.debug) console.log('container visible and has focus')
		} else {
			hideMe();	
		}
	});


	function hideMe() { 
		hasfocus = 0;
		jQuerycontainer.hide(); 
	}
	
	function init() {
		jQuerycontainer.append(getSelectOptions(jQueryinput.attr('id'))).hide();
		var width = jQueryinput.css('width');
		jQuerycontainer.width(width);
    }
	
	function setupContainer(options) {
		var container = document.createElement("div");
		jQuerycontainer = jQuery(container);
		jQuerycontainer.attr('id', elm_id+'_container');
		jQuerycontainer.addClass(options.containerClass);
		
		return jQuerycontainer;
	}
	
	function setupInput(options) {
		var input = document.createElement("input");
		var jQueryinput = jQuery(input);
		jQueryinput.attr("id", elm_id+"_input");
		jQueryinput.attr("type", "text");
		jQueryinput.addClass(options.inputClass);
		jQueryinput.attr("autocomplete", "off");
		jQueryinput.attr("readonly", "readonly");
		jQueryinput.attr("tabIndex", jQueryselect.attr("tabindex")); // "I" capital is important for ie
		
		return jQueryinput;	
	}
	
	function moveSelect(step) {
		var lis = jQuery("li", jQuerycontainer);
		if (!lis) return;

		active += step;

		if (active < 0) {
			active = 0;
		} else if (active >= lis.size()) {
			active = lis.size() - 1;
		}

		lis.removeClass(opt.hoverClass);

		jQuery(lis[active]).addClass(opt.hoverClass);
	}
	
	function setCurrent() {	
		var li = jQuery("li."+opt.currentClass, jQuerycontainer).get(0);
		var ar = (''+li.id).split('_');
		var el = ar[ar.length-1];
		jQueryselect.val(el);
        var str = jQuery(li).html();
        str = str.replace("&amp;","&");
		jQueryinput.val(str);
        
        //onchange behavior
        opt.params.selectedVal = jQueryselect.val();
        if (opt.onChange) opt.onChange(opt.params);
        
		return true;
	}
	
	// select value
	function getCurrentSelected() {
		return jQueryselect.val();
	}
	
	// input value
	function getCurrentValue() {
		return jQueryinput.val();
	}
	
	function getSelectOptions(parentid) {
		var select_options = new Array();
		var ul = document.createElement('ul');
		jQueryselect.children('option').each(function() {
			var li = document.createElement('li');
			li.setAttribute('id', parentid + '_' + jQuery(this).val());
			li.innerHTML = jQuery(this).html();
			if (jQuery(this).is(':selected')) {
				jQueryinput.val(jQuery(this).html());
				jQuery(li).addClass(opt.currentClass);
			}
			ul.appendChild(li);
			jQuery(li)
			.mouseover(function(event) {
				hasfocus = 1;
				if (opt.debug) console.log('over on : '+this.id);
				jQuery(event.target, jQuerycontainer).addClass(opt.hoverClass);
			})
			.mouseout(function(event) {
				hasfocus = -1;
				if (opt.debug) console.log('out on : '+this.id);
				jQuery(event.target, jQuerycontainer).removeClass(opt.hoverClass);
			})
			.click(function(event) {
			  var fl = jQuery('li.'+opt.hoverClass, jQuerycontainer).get(0);
				if (opt.debug) console.log('click on :'+this.id);
				jQuery('li.'+opt.currentClass).removeClass(opt.currentClass); 
				jQuery(this).addClass(opt.currentClass);
				setCurrent();
				hideMe();
			});
		});
		return ul;
	}
	
};

jQuery(document).ready(function() {    
    jQuery('#provincie').selectbox({params: {action: 'callbackaction'}});
    jQuery('#groep').selectbox({params: {action: 'callbackaction'}});
    jQuery('#fondscode').selectbox({params: {action: 'callbackaction'}});
    jQuery('#hoofdeuprioriteitthema').selectbox({params: {action: 'callbackaction'}});
    jQuery('#eubijdrage').selectbox({params: {action: 'callbackaction'}});
    
    jQuery('#provincie_input_0').hide();
    jQuery('#groep_input_0').hide();
    jQuery('#fondscode_input_0').hide();
    jQuery('#hoofdeuprioriteitthema_input_0').hide();
    jQuery('#eubijdrage_input_0').hide();

    
    
    //Gekozen selectie highlighten
    /*
    jQuery('#label_uitgebreidzoeken').bind('click', function(e) {
        var container = jQuery('#container_uitgebreidzoeken');
        if( container.css('visibility') == 'hidden') {
            container.css('visibility', 'visible');
        }
        else {
            container.css('visibility', 'hidden');
        }
    });*/
});

function submitForm(obj) {
   jQuery('#uitgebreid_zoeken').submit()
}