portal may become unselected

This simplifies the logic a bit, hopefully making it easier to debug the
issue See #404. It seems to be related to when the portal changed because
I could trigger it easily on zooming in/out when there was a cache bug
that gave me an R portal in one zoom level and an E one in the other.
This commit is contained in:
Stefan Breunig
2013-03-07 11:30:58 +01:00
parent 26c18a7ddf
commit b6bf5669a5

View File

@ -122,7 +122,7 @@ window.handleDataResponse = function(data, textStatus, jqXHR) {
}
});
});
$.each(ppp, function(ind, portal) {
if(portal[2].portalV2['linkedFields'] === undefined) {
portal[2].portalV2['linkedFields'] = [];
@ -132,7 +132,7 @@ window.handleDataResponse = function(data, textStatus, jqXHR) {
portal[2].portalV2['linkedFields'] = uniqueArray(p2f[portal[0]]);
}
});
// Process the portals with portal render limit handler first
// Low level portal will hold until last request
var newPpp = portalRenderLimit.splitOrMergeLowLevelPortals(ppp);
@ -144,25 +144,26 @@ window.handleDataResponse = function(data, textStatus, jqXHR) {
}
window.handlePortalsRender = function(portals) {
var portalUpdateAvailable = false;
var portalInUrlAvailable = false;
// Preserve and restore "selectedPortal" between portal re-render
if(portalUpdateAvailable) var oldSelectedPortal = selectedPortal;
// Preserve selectedPortal because it will get lost on re-rendering
// the portal
var oldSelectedPortal = selectedPortal;
runHooks('portalDataLoaded', {portals : portals});
$.each(portals, function(ind, portal) {
if(selectedPortal === portal[0]) portalUpdateAvailable = true;
if(urlPortal && portal[0] == urlPortal) portalInUrlAvailable = true;
//~ if(selectedPortal === portal[0]) portalUpdateAvailable = true;
if(urlPortal && portal[0] === urlPortal) portalInUrlAvailable = true;
renderPortal(portal);
});
var selectedPortalLayer = portals[oldSelectedPortal];
if(portalUpdateAvailable && selectedPortalLayer) selectedPortal = oldSelectedPortal;
if(selectedPortalLayer) {
// restore selected portal if still available
var selectedPortalGroup = portals[oldSelectedPortal];
if(selectedPortalGroup) {
selectedPortal = oldSelectedPortal;
renderPortalDetails(selectedPortal);
try {
selectedPortalLayer.bringToFront();
selectedPortalGroup.bringToFront();
} catch(e) { /* portal is now visible, catch Leaflet error */ }
}
@ -170,8 +171,6 @@ window.handlePortalsRender = function(portals) {
renderPortalDetails(urlPortal);
urlPortal = null; // select it only once
}
if(portalUpdateAvailable) renderPortalDetails(selectedPortal);
}
// removes entities that are still handled by Leaflet, although they
@ -542,7 +541,7 @@ window.renderLink = function(ent) {
window.renderField = function(ent) {
if(Object.keys(fields).length >= MAX_DRAWN_FIELDS)
return window.removeByGuid(ent[0]);
var old = findEntityInLeaflet(fieldsLayer, window.fields, ent[0]);
// If this already exists and the zoom level has not changed, we don't need to do anything
if(old && map.getZoom() === old.options.creationZoom) return;
@ -578,7 +577,7 @@ window.renderField = function(ent) {
// Curve fit equation to normalize zoom window area
var areaZoomRatio = calcTriArea(latlngs)/Math.exp(14.2714860198866-1.384987247*map.getZoom());
var countForMUDisplay = L.LineUtil.simplify(poly._originalPoints, FIELD_MU_DISPLAY_POINT_TOLERANCE).length
// Do nothing if zoom did not change. We need to recheck the field if the
// zoom level is different then when the field was rendered as it could
// now be appropriate or not to show an MU count