External Synchronized Event Markers List

<html>
	<head>
		<title>Using  Event Markers Custom Attributes</title>
		<meta http-equiv="content-type" content="text/html;charset=utf-8"/>	
		<!--- 
			This sample uses jquery library to work with DOM 
		-->
		<script type="text/javascript" language="javascript" src="./js/jquery.min.js"></script>
		<script type="text/javascript" language="javascript" src="./../js/AnyChartStock.js?v=1.9.0r9317"></script>
		<style type="text/css">
			html, body {
				background-color: white;
			}
		
			/* chart size */
			#chartContainer {
				width: 800px;
				height: 500px;
			}
			
			/* other settings */
			table.settings {
				border-style: solid;
				border-width: 1px;
				border-color: #D0CDC9;
			}

			table.settings tr th {
				font:normal 60% Verdana;
				background-color: #DCD9D5;
				font-weight:bold;
				padding-bottom:5px;
				padding-top:5px;
				padding-left:10px;
				text-align:left;
			}
			table.settings tr td {
				background-color: #ffffff;
				font:normal 70% Verdana;
				padding-bottom:4px;
				padding-top:0;
				padding-left:4px;
				text-align:left;	
			}
			
			/* Event table list settings */
			
			/* firefox outline fix */
			* {
				outline: none;
			}
			
			#info {
				width: 400px;
				height: 490px;
				overflow-y: scroll;
				padding-top: 10px;
				background-color: white;
			}
			
			.event {
				width: 354px;
				height: 50px;
				border: 1px solid #d2d2d2;
				padding: 10px;
				margin-bottom: 5px;
				
				cursor: hand;
			}
			
			#info td {
				background: none;
				padding: 0px;
				margin: 0px;
			}
			
			.event .icon {
				width: 37px;
			}
			
			.event .icon p {
				width: 27px;
				height: 26px;
				padding: 0;
				margin: 0;
				background-image: url(letters_strip.png);
				background-repeat: no-repeat;
			}
			
			.event .iconSelected {
				background-position: 0px 0px;
			}
			
			.event .iconNormal {
				background-position: 0px -29px;
			}
			
			.event .title a, .event .title a:visited {
				color: #1e399d;
				font: 8pt Verdana;
			}
			
			a {
				text-decoration: none;
			}
			
			.event .date a, .date .event a:visited {
				color: #595959;
			}
			
			.event .date a:hover, .event .title a:hover {
				text-decoration: underline;
			}
			
			.event .date {
				padding-top: 5px !important;
				font: 8pt Verdana;
			}
			
		</style>
		<script type="text/javascript" language="javascript">
			// Creating new chart object. 
			var chart = new AnyChartStock("./../swf/AnyChartStock.swf?v=1.9.0r9317", "./../swf/Preloader.swf?v=1.9.0r9317");
			// needConfig allows to use chart object model, which is needed to get information about event markers
			chart.needConfig = true;
			// Setting XML config file.
			chart.setXMLFile("config.xml");
			
			//--------------------------------------------------------------------------------
			//		Auxiliary Date Time Functions 
			//--------------------------------------------------------------------------------
			
			var months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
			
			// Function to format date according to "%MMM %dd, %yyyy" mask. (e.g. 15 May, 2010)
			function formatDate(date) {
				return months[date.getUTCMonth()] + " "+date.getUTCDate()+", "+date.getUTCFullYear();
			}
			
			//--------------------------------------------------------------------------------
			//		Obtain event markers from the chart object model and show them on the page
			//--------------------------------------------------------------------------------
			
			// Listen to onChartDraw, get event markers from object model and  show them on the page
			chart.onChartDraw = function() {
				// Get all event markers from zero indexed group
				var eventMarkers = chart.objectModel.eventMarkers.groups[0].events;
				// show them
				for (var i = eventMarkers.length-1;i>=0;i--) {
					// get link to event marker info
					var eventMarker = eventMarkers[i];

					// create list element
					var htmlCode = "<div class=\"event\" id=\"e_"+eventMarker.id+"\">" // event markers id
+"						<table cellspacing=\"0\" cellpadding=\"0\">"
+"							<tr valign=\"top\">"
+"								<td class=\"icon\"><a href=\"#\"><p class=\"iconNormal\">&nbsp;</p></a></td>"
+"								<td class=\"title\"><a href=\""+eventMarker.attributes.Link + "\" target=\"_blank\">"+eventMarker.attributes.Title+"</a></td>" // Title attribute (see config.xml)
+"							</tr>"
+"							<tr>"
+"								<td>&nbsp;</td>"
+"								<td class=\"date\"><a href=\"http://oracle.com\" target=\"_blank\">www.oracle.com</a> - "+formatDate(eventMarker.date)+"</td>" //Link attribute (see config.xml) and date
+"							</tr>"
+"						</table>"
+"					</div>";

					// and add it into <div id="info"/>
					$("#info").append(htmlCode);
					
					// now we format this element and add event liseners to it
					
					// get link to this div (it contains event marker info)
					var e = $("#e_"+eventMarker.id);
					// store its vertical offset to offset_top (we need for scrolling)
					e.attr("offset_top",e.position().top);
					// store event marker in event_id attribute
					e.attr("event_id",eventMarker.id);
					// store event marker in event_id attribute of the link
					e.find(".icon a").attr("event_id",eventMarker.id);
					// set letter (A-Z)
					e.find(".icon p").css("backgroundPosition","-"+(30*(i%26))+"px -29px");
					// set click handler
					e.click(function() {
						// in the handler we get event marker id from event_id attribute
						var eventId = $(this).attr("event_id");
						// and select it on the chart
						chart.selectEventMarker("news", eventId);
						// and highlight its representation on the page
						selectEventMarker(eventId, true);
					});					
				}
				
				// reset the handler
				chart.onChartDraw = null;
			};
			
			//--------------------------------------------------------------------------------
			//		Select/deselect event markers
			//--------------------------------------------------------------------------------
			
			// listen to event marker select event
			chart.onEventMarkerSelect = function(eventMarkerInfo) {
				selectEventMarker(eventMarkerInfo.id, false);
			};
			
			// id of the currently selected event marker
			var selectedMarker = null;
			
			// Deselect marker by its id
			function deselectEventMarker(id) {
				// find the div with information about this marker and find icon of the letter in it
				var e = $("#e_"+id+" .icon p");
				var pos = e.css("backgroundPosition");
				var posXY = pos.split(" ");
				posXY[1] = "-29px";
				// set icon as unselected (all icons in one file - so we just set an offset)
				e.css("backgroundPosition", posXY.join(" "));
				
				$("#e_"+id).css("background-color","White");
			}
			
			// Select event marker by id
			function selectEventMarker(id, scrollChart) {
				// If any event marker is selected - deselect it
				if (selectedMarker != null) deselectEventMarker(selectedMarker);
				// store the currently selected event marker id
				selectedMarker = id;
				
				$("#e_"+id).css("background-color","#EFE9E4");
				
				// find the div with information about this marker and set icon as selected
				var e = $("#e_"+id+" .icon p");
				var pos = e.css("backgroundPosition");
				var posXY = pos.split(" ");
				posXY[1] = "0px";
				// set icon as selected (all icons in one file - so we just set an offset)
				e.css("backgroundPosition", posXY.join(" "));
				
				// scroll list to make div visible
				var top = $("#e_"+id).attr("offset_top")-51;
				// (using jQuery.animate)
				$("#info").animate({scrollTop:top}, 500);
				
				// check if we can scrolll the chart?
				if (scrollChart) {
					// find event marker in objectModel by id
					var group = chart.getEventMarkersGroupById("news");
					var info = null;
					for (var i = 0;i<group.events.length;i++) {
						if (group.events[i].id == id) {
							info = group.events[i];
							break;
						}
					}
					// if nothing found - nothing to do
					if (!info) return;
					
					// get timestamps of visible range
					var firstVisibleDate = chart.getFirstVisibleDate().getTime();
					var lastVisibleDate = chart.getLastVisibleDate().getTime();
					
					// get timestamp of the event marker to be shown
					var date = info.date.getTime();
					
					// get the width of the visible range in milliseconds
					var range = lastVisibleDate - firstVisibleDate;
					
					// if event marker isn't visible - scroll chart to make it visible
					if (date < firstVisibleDate) { 
						scrollChartToDate(new Date(date - range/10));
					}else if (date > lastVisibleDate) {
						scrollChartToDate(new Date(date - range/10));
					}
				}
			}
			
			//--------------------------------------------------------------------------------
			//		Chart Scrolling
			//--------------------------------------------------------------------------------
			
			// Function to scroll to the date animated 
			function scrollChartToDate(date) {
				var start = chart.getFirstVisibleDate().getTime(); // current position
				var end = date.getTime(); // position to scroll to
				
				// distance in milliseconds
				var distance = end - start;
				// animation step
				var step = Math.round(distance/10);
				
				// animated scroll to new date
				var interval;
				var scrollingF = function() {
					// if we are scrolling to left and got to the end date - stop animation
					if (step < 0 && start <= end) {
						chart.scrollTo(new Date(end));
						clearInterval(interval);
					}else if (step > 0 && start >= end) { // if we are scrolling to right and got to the end date - stop animation
						chart.scrollTo(new Date(end));
						clearInterval(interval);
					}else {
						// in other case just change scroll to intermediate point
						start += step;
						chart.scrollTo(new Date(start));
					}
				}
				// start animating
				interval = setInterval(scrollingF, 10);
				scrollingF();
			}
			
			// Writing the flash object into the page DOM.
			chart.write("chartContainer");
			
		</script>
	</head>
	<body>
		<table>
			<tr valign="top">
				<td>
					<table class="settings">
						<tr>
							<th>Historical Prices for Oracle Corporation: 2007-2010<br>
Select event markers on the chart to see event details in the list.</th>
						</tr>
						<tr>
							<td id="chartContainer"><!-- Chart Container --></td>
						</tr>
					</table>
				</td>
				<td>
					<table class="settings">
						<tr>
							<th>Key Developments<br>
Click letter icons to see event on the chart timeline.</th>
						</tr>
						<tr>
							<td><div id="info"></div></td>
						</tr>
					</table>
				</td>
			</tr>
		</table>
	</body>
	
</html>

Sample Description

How to use this sample?
How it works?
AnyChartStock JavaScript API
Prerequisites

How to use this sample?

Select event markers on the chart to see event details in the list - the list scrolls to the event description if needed. Also you can click on the letter icon in the list to scroll the chart and select event marker on it.

How it works

This sample

In this sample when onChartDraw event happens chart object model is used to get infomation about event markers from the chart.

When the information is gathered the list is created and onEventMarkerSelect event is listened to show list entries when needed, at the same time scrollTo and selectEventMarker methods are used to show and highlight event markers when user interacts with the list.

You can read more about event markers in Event Markers section and about object model in Updating Chart using Object Model article.

AnyChartStock JavaScript API

This sample uses the following methods, properties and events from AnyChartStock JavaScript API:

Item	Type	Description
needConfig	Property (Boolean)	Defines whether the access to full chart configuration object model is required.
objectModel	Property (Object)	Gets chart configuration as an Object.
getEventMarkersGroupById	Method	Returns the link to event marker group object.
getFirstVisibleDate	Method	Gets the first visible date.
getLastVisibleDate	Method	Gets the last visible date.
scrollTo	Method	Scrolls the chart to a given date.
selectEventMarker	Method	Selects an event marker by its id and its group id.
setXMLFile	Method	Sets chart XML configuration file path.
write	Method	Adds the chart to HTML DOM as a child of the specified container.
onChartDraw	Event	This event is dispatched when the AnyChart Stock is drawn.
onEventMarkerSelect	Event	This event is dispatched when an event marker is selected.

Prerequisites

This section lists all configuration, data and auxiliary files required for this sample.

Configuration file

config.xml

CSV files

orcl_daily.csv

SWF files

AnyChartStock.swf - AnyChart Stock component.
Preloader.swf - AnyChart Stock helper component that loads the main component (AnyChartStock.swf) and displays loading progress.

JavaScript Libraries

jquery.min.js - A JavaScript jQuery library. Learn more at jQuery official site.
AnyChartStock.js - A JavaScript library that is shipped with AnyChart Stock component. It is used to embed the component into HTML DOM and to comunicate with the Flash part.

Additional Files

letters_strip.png

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