// Does nice notes overlays
var t;
// Init code
$(function () {
	// For each notes ul...
	$("ul.notes").each(function () {
		// Make it position:relative
		//this.style.position = "relative";
		//$(this).css({left: "0px", top:"0px"});
		
		$(this).removeClass("hidden");
		// Change the LIs to markers
		var ul = $(this);
		t = ul;
		ul.children("li").each(function () {
			var li = $(this);
			li.addClass("noteMarker");
			this.style.left = (parseInt(li.children(".offset").text()) + ul.offset({ relativeTo: li.offsetParent() }).left) + "px";
			this.style.top = "80px";
			li.hover(note_over, note_out);
		});
	});
	
	// Make sure doubleclicks on the notes header put the right date in the add note form
	if ($("#note_date").length > 0) {
		$("ul.notes").dblclick(function (e) {
			var pc = (e.clientX - $(this).offset().left) / 655;
			var date = new Date((notes_graph_min + (notes_graph_range * pc))*1000);
			var tv = new Date().valueOf();
			
			showAddNoteForm();

			$("#note_date").get(0).value = date.getDate() + "/" + (date.getMonth()+1) + "/" + date.getFullYear()
			//$("form.addnote").css("background-color", "#eba");
			$("#note_message").get(0).focus();
		});
	}
	
	// Called on note mouseover
	function note_over(e) {
		var pos = $(this).position();
		var hovbox = $(
			"<div class='noteHover'>"
			+ "<p class='date'>" + $(this).children(".date").html() + "</p>"
			+ $(this).children(".message").html()
	// 		+ "<img class='bottom' src='/static/img/notebottom.gif' />"
			+ "</div>"
		);
		$(this).css("z-index", 20);
		hovbox.css({left: pos.left - 186, top: 75});
		$(this).parent().prepend(hovbox);
	}
	
	// Called on note mouseout
	function note_out(e) {
		$(".noteHover").remove();
		$(this).css("z-index", 0);
	}
})

// We override the animation for all of these color styles
jQuery.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'], function(i,attr){
	jQuery.fx.step[attr] = function(fx){
		if ( fx.state == 0 ) {
			fx.start = getColor( fx.elem, attr );
			fx.end = getRGB( fx.end );
		}

		fx.elem.style[attr] = "rgb(" + [
			Math.max(Math.min( parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0),
			Math.max(Math.min( parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0),
			Math.max(Math.min( parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0)
		].join(",") + ")";
	}
});

	// Color Conversion functions from highlightFade
	// By Blair Mitchelmore
	// http://jquery.offput.ca/highlightFade/

	// Parse strings looking for color tuples [255,255,255]
	function getRGB(color) {
		var result;

		// Check if we're already dealing with an array of colors
		if ( color && color.constructor == Array && color.length == 3 )
			return color;

		// Look for rgb(num,num,num)
		if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color))
			return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];

		// Look for rgb(num%,num%,num%)
		if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color))
			return [parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55];

		// Look for #a0b1c2
		if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color))
			return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)];

		// Look for #fff
		if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color))
			return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)];
	}
	
	function getColor(elem, attr) {
		var color;

		do {
			color = jQuery.curCSS(elem, attr);

			// Keep going until we find an element that has color, or we hit the body
			if ( color != '' && color != 'transparent' || jQuery.nodeName(elem, "body") )
				break; 

			attr = "backgroundColor";
		} while ( elem = elem.parentNode );

		return getRGB(color);
	};
