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Merge pull request #214 from Xelio/patch-layer-control-status

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Add function to store layer control status (overlay only) in cookie for using in next session.
This commit is contained in:
Jon Atkins
2013-04-30 11:29:07 -07:00
parent c64c144a97 2556a1ab8d
commit a1b76f78bb
3 changed files with 47 additions and 0 deletions
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22
code/utils_misc.js
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@ -347,3 +347,25 @@ window.convertTextToTableMagic = function(text) {
window.calcTriArea = function(p) {
return Math.abs((p[0].lat*(p[1].lng-p[2].lng)+p[1].lat*(p[2].lng-p[0].lng)+p[2].lat*(p[0].lng-p[1].lng))/2);
}
// Update layerGroups display status to window.overlayStatus and cookie 'ingress.intelmap.layergroupdisplayed'
window.updateDisplayedLayerGroup = function(name, display) {
overlayStatus[name] = display;
writeCookie('ingress.intelmap.layergroupdisplayed', JSON.stringify(overlayStatus));
}
// Read layerGroup status from window.overlayStatus if it was added to map,
// read from cookie if it has not added to map yet.
// return true if both overlayStatus and cookie didn't have the record
window.isLayerGroupDisplayed = function(name) {
if(typeof(overlayStatus[name]) !== 'undefined') return overlayStatus[name];
var layersJSON = readCookie('ingress.intelmap.layergroupdisplayed');
if(!layersJSON) return true;
var layers = JSON.parse(layersJSON);
// keep latest overlayStatus
overlayStatus = $.extend(layers, overlayStatus);
if(typeof(overlayStatus[name]) === 'undefined') return true;
return overlayStatus[name];
}