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Plugin Draw Resonators: Zooming in will redraw all resonators if they was removed by zooming out.

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This commit is contained in:
Xelio 2013-09-03 00:23:29 +08:00
parent c91dd67359
commit c2f73bb3d7
1 changed files with 26 additions and 8 deletions
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34
plugins/draw-resonators.user.js
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@ -42,17 +42,19 @@ window.plugin.drawResonators.Render = function(options) {
this.resonators = {};
this.resonatorLayerGroup = new L.LayerGroup();
this.addStyler(new window.plugin.drawResonators.Styler());
this.beforeZoomLevel = map.getZoom();
this.portalAdded = this.portalAdded.bind(this);
this.createResonatorEntities = this.createResonatorEntities.bind(this);
this.deleteResonatorEntities = this.deleteResonatorEntities.bind(this);
this.clearResonatorEntitiesAfterZoom = this.clearResonatorEntitiesAfterZoom.bind(this);
this.handleResonatorEntitiesBeforeZoom = this.handleResonatorEntitiesBeforeZoom.bind(this);
this.handleResonatorEntitiesAfterZoom = this.handleResonatorEntitiesAfterZoom.bind(this);
};
window.plugin.drawResonators.Render.prototype.registerHook = function() {
window.addHook('portalAdded', this.portalAdded);
window.map.on('zoomend', this.clearResonatorEntitiesAfterZoom);
//TODO: zoom in should redraw resonators if needed
window.map.on('zoomstart', this.handleResonatorEntitiesBeforeZoom);
window.map.on('zoomend', this.handleResonatorEntitiesAfterZoom);
}
window.plugin.drawResonators.Render.prototype.portalAdded = function(data) {
@ -71,16 +73,13 @@ window.plugin.drawResonators.Render.prototype.portalAdded = function(data) {
window.plugin.drawResonators.Render.prototype.createResonatorEntities = function(portal) {
// No need to check for existing resonators, as old resonators should be removed with the portal marker.
// No need to check for display status of portalLayer, as this function is only called by
// 'add' event of portal marker.
if(!this.isResonatorsShow()) return;
var portalDetails = portal.options.details;
var resonatorsWithConnector = new L.LayerGroup()
var portalLatLng = [portalDetails.locationE6.latE6/1E6, portalDetails.locationE6.lngE6/1E6];
var portalSelected = selectedPortal === portal.options.guid;
for(var i in portalDetails.resonatorArray.resonators) {
resoData = portalDetails.resonatorArray.resonators[i];
if(resoData === null) continue;
@ -148,10 +147,25 @@ window.plugin.drawResonators.Render.prototype.deleteResonatorEntities = function
}
}
window.plugin.drawResonators.Render.prototype.clearResonatorEntitiesAfterZoom = function() {
// Save zoom level before zoom, use to determine redraw of resonator
window.plugin.drawResonators.Render.prototype.handleResonatorEntitiesBeforeZoom = function() {
this.beforeZoomLevel = map.getZoom();
}
window.plugin.drawResonators.Render.prototype.handleResonatorEntitiesAfterZoom = function() {
if(!this.isResonatorsShow()) {
this.resonatorLayerGroup.clearLayers();
this.resonators = {};
} else {
// Redraw all resonators if they were deleted
if(!this.isResonatorsShowBeforeZoom()) {
for(var guid in window.portals) {
// Need this checking?
if(! guid in this.resonators) {
this.createResonatorEntities(window.portals[guid]);
}
}
}
}
}
@ -195,6 +209,10 @@ window.plugin.drawResonators.Render.prototype.isResonatorsShow = function() {
return map.getZoom() >= this.enableZoomLevel;
}
window.plugin.drawResonators.Render.prototype.isResonatorsShowBeforeZoom = function() {
return this.beforeZoomLevel >= this.enableZoomLevel;
}
//////// Styler for getting resonator and connector style ////////