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authorChristian Franke <nobody@nowhere.ws>2016-06-18 18:41:11 +0200
committerChristian Franke <nobody@nowhere.ws>2016-06-18 19:49:46 +0200
commitf54b50c52a801c65608e03d6a70bf1a4a7a0473c (patch)
treeca21d50b5ebe1548b1a88f01d979ad605b73df85 /web
parenta61cf7cdbc7ec5131de46c5cccd54d78f2044f99 (diff)
Add support to measure distance while drawing polyline
Diffstat (limited to 'web')
-rw-r--r--web/js/eventmap.js84
1 files changed, 59 insertions, 25 deletions
diff --git a/web/js/eventmap.js b/web/js/eventmap.js
index 46b9b5d..cae02fa 100644
--- a/web/js/eventmap.js
+++ b/web/js/eventmap.js
@@ -1,10 +1,30 @@
var map;
var draw_control;
var layers = {};
+var layer_infos = {};
var recorded_obj;
var marker_store = {};
var marker_store_sync_id;
+function active_layer_name() {
+ var layer_found = undefined;
+ $.each(layers, function(layer_name, layer_object) {
+ if (map.hasLayer(layer_object)) {
+ layer_found = layer_name;
+ return false;
+ }
+ });
+ return layer_found;
+}
+
+function active_layer() {
+ return layers[active_layer_name()];
+}
+
+function active_layer_info() {
+ return layer_infos[active_layer_name()];
+}
+
function eventmap_send_update() {
var update_doc = {
'sync-id': marker_store_sync_id,
@@ -324,30 +344,46 @@ function marker_labels_calc_nohide(e) {
function polyline_added(e) {
var created_object_type = e.layerType;
var created_object = e.layer;
+ var layer_name = active_layer_name();
+ var layer = active_layer();
- $.each(layers, function(layer_name, layer_object) {
- if (!map.hasLayer(layer_object))
- return true;
+ layer.getLayers()[1].addLayer(created_object);
+ created_object.options.layer_name = layer_name;
- layer_object.getLayers()[1].addLayer(created_object);
- created_object.options.layer_name = layer_name;
+ var index = 0;
+ var marker_name;
- var index = 0;
- var marker_name;
+ do {
+ marker_name = "__polyline_" + layer_name + "_" + index;
+ index++;
+ } while (marker_name in marker_store);
- do {
- marker_name = "__polyline_" + layer_name + "_" + index;
- index++;
- } while (marker_name in marker_store);
+ marker_store[marker_name] = created_object;
+ created_object.options.label_text = marker_name;
+ add_contextmenu(created_object);
+ eventmap_send_update();
+ return false;
+}
- marker_store[marker_name] = created_object;
- created_object.options.label_text = marker_name;
- add_contextmenu(created_object);
- eventmap_send_update();
- return false;
- });
+L.LatLng.prototype.distanceTo = function(other) {
+ var point_t = map.options.crs.latLngToPoint(this, 6);
+ var point_o = map.options.crs.latLngToPoint(L.latLng(other), 6);
+
+ return point_t.distanceTo(point_o);
}
+var old_readable_distance = L.GeometryUtil.readableDistance
+L.GeometryUtil.readableDistance = function(distance, unit) {
+ var divider;
+
+ if (active_layer_info().divider !== undefined)
+ divider = active_layer_info().divider;
+ else
+ divider = 1;
+
+ return old_readable_distance(distance/divider,unit);
+};
+
$(function() {
$("#progress").html("Initializing map...");
map = L.map('map', {
@@ -427,16 +463,13 @@ $(function() {
noHide: marker_labels_no_hide
});
- $.each(layers, function(layer_name, layer_object) {
- if (!map.hasLayer(layer_object))
- return true;
+ var layer_name = active_layer_name();
+ var layer = active_layer();
- add_contextmenu(created_object);
+ add_contextmenu(created_object);
- layer_object.getLayers()[1].addLayer(created_object);
- created_object.options.layer_name = layer_name;
- return false;
- });
+ layer.getLayers()[1].addLayer(created_object);
+ created_object.options.layer_name = layer_name;
rename_marker(created_object);
/* update will be sent by "rename_marker" */
});
@@ -464,6 +497,7 @@ $(function() {
layer = L.layerGroup([base_layer, drawing_layer]);
layers[layer_info.name] = layer;
+ layer_infos[layer_info.name] = layer_info;
if (first_layer) {
map.addLayer(layer);