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Putting the script tag at the end of the body (for demonstration purposes).

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@10725 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2010-09-10 13:14:06 +00:00
parent d879ca8d00
commit 3aeab46132
2 changed files with 50 additions and 55 deletions
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examples/filter-strategy.html
+2 -2
View File
@@ -7,7 +7,6 @@
<link rel="stylesheet" href="style.css" type="text/css">
<script src="../lib/OpenLayers.js"></script>
<script>OpenLayers.ImgPath = "../img/";</script>
<script src="filter-strategy.js"></script>
<style>
.olControlAttribution {
font-size: 9px;
@@ -15,7 +14,7 @@
}
</style>
</head>
<body onload="init()">
<body>
<h1 id="title">Filter Strategy</h1>
<p id="shortdesc">
Demonstrates the filter strategy for limiting features passed to the layer.
@@ -44,5 +43,6 @@
source to see how this is done
</p>
</div>
<script src="filter-strategy.js"></script>
</body>
</html>
examples/filter-strategy.js
+31 -36
View File
@@ -1,11 +1,40 @@
var map, filter, filterStrategy;
var animationTimer;
var currentDate;
var startDate = new Date(1272736800000); // lower bound of when values
var endDate = new Date(1272737100000); // upper value of when values
var step = 8; // sencods to advance each interval
var interval = 0.125; // seconds between each step in the animation
function init() {
function startAnimation() {
if (animationTimer) {
stopAnimation(true);
}
if (!currentDate) {
currentDate = startDate;
}
var spanEl = document.getElementById("span");
var next = function() {
var span = parseInt(spanEl.value, 10);
if (currentDate < endDate) {
filter.lowerBoundary = currentDate;
filter.upperBoundary = new Date(currentDate.getTime() + (span * 1000));
filterStrategy.setFilter(filter);
currentDate = new Date(currentDate.getTime() + (step * 1000))
} else {
stopAnimation(true);
}
}
animationTimer = window.setInterval(next, interval * 1000);
}
function stopAnimation(reset) {
window.clearInterval(animationTimer);
animationTimer = null;
if (reset === true) {
currentDate = null;
}
}
// add behavior to elements
document.getElementById("start").onclick = startAnimation;
@@ -53,37 +82,3 @@ function init() {
map.addLayers([osm, flights]);
map.setCenter(new OpenLayers.LonLat(-93.2735, 44.8349).transform(geographic, mercator), 8);
};
var animationTimer;
var currentDate;
function startAnimation() {
if (animationTimer) {
stopAnimation(true);
}
if (!currentDate) {
currentDate = startDate;
}
var spanEl = document.getElementById("span");
var next = function() {
var span = parseInt(spanEl.value, 10);
if (currentDate < endDate) {
filter.lowerBoundary = currentDate;
filter.upperBoundary = new Date(currentDate.getTime() + (span * 1000));
filterStrategy.setFilter(filter);
currentDate = new Date(currentDate.getTime() + (step * 1000))
} else {
stopAnimation(true);
}
}
animationTimer = window.setInterval(next, interval * 1000);
}
function stopAnimation(reset) {
window.clearInterval(animationTimer);
animationTimer = null;
if (reset === true) {
currentDate = null;
}
}