Add infowindow for polylines with midpoint calculation

bradcornford · Apr 19, 2022 · 065228d · 065228d
1 parent 2cbac9c
commit 065228d
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Showing 3 changed files with 52 additions and 2 deletions.
diff --git a/resources/views/polyline.blade.php b/resources/views/polyline.blade.php
@@ -19,6 +19,21 @@
     'polyline_{!! $id !!}': polyline_{!! $id !!}
 });
 
+google.maps.event.addListener(polyline_{!! $id !!}, 'click', function(event) {
+
+    @if (isset($options['autoClose']) && $options['autoClose'])
+
+        for (var i = 0; i < infowindows.length; i++) {
+            infowindows[i].close();
+        }
+
+    @endif
+
+    infowindow_{!! $id+3 !!}.open({!! $options['map'] !!}, marker_{!! $id+3 !!});
+    infowindow_{!! $id+3 !!}.setPosition(event.latLng);
+
+});
+
 @foreach (['eventClick', 'eventDblClick', 'eventRightClick', 'eventMouseOver', 'eventMouseDown', 'eventMouseUp', 'eventMouseOut', 'eventDrag', 'eventDragStart', 'eventDragEnd', 'eventDomReady'] as $event)
 
     @if (isset($options[$event]))

diff --git a/src/Facades/MapperFacade.php b/src/Facades/MapperFacade.php
@@ -13,7 +13,7 @@
  * @method static Mapper streetview($latitude, $longitude, $heading, $pitch, array $options = [])
  * @method static Mapper marker($latitude, $longitude, array $options = [])
  * @method static Mapper informationWindow($latitude, $longitude, $content = '', array $options = [])
- * @method static Mapper polyline(array $coordinates = [], array $options = [])
+ * @method static Mapper polyline(array $coordinates = [], $content = '', array $options = [])
  * @method static Mapper polygon(array $coordinates = [], array $options = [])
  * @method static Mapper rectangle(array $coordinates = [], array $options = [])
  * @method static Mapper circle(array $coordinates = [], array $options = [])

diff --git a/src/Mapper.php b/src/Mapper.php
@@ -335,7 +335,7 @@ public function informationWindow($latitude, $longitude, $content = '', array $o
      *
      * @return self
      */
-    public function polyline(array $coordinates = [], array $options = [])
+    public function polyline(array $coordinates = [], $content = '', array $options = [])
     {
         $items = $this->getItems();
 
@@ -360,9 +360,44 @@ public function polyline(array $coordinates = [], array $options = [])
 
         $item->shape('polyline', $coordinates, $options);
 
+        // Info window for a polyline if content is not empty
+        if(!empty($content)) {
+            $parameters = $this->getOptions();
+            $options = array_replace_recursive(
+                ['markers' => $parameters['markers']],
+                $item->getOptions()['markers'],
+                $options,
+                ($content !== '' ? ['markers' => ['content' => $content]] : [])
+            );
+            $options['markers']['visible'] = false;
+            $coordinates = $this->midpoint($coordinates[0]['latitude'], $coordinates[0]['longitude'], $coordinates[1]['latitude'], $coordinates[1]['longitude']);
+            $latitude = $coordinates[0];
+            $longitude = $coordinates[1];
+            $item->marker($latitude, $longitude, $options);
+        }
+
         return $this;
     }
 
+    public function midpoint ($lat1, $lng1, $lat2, $lng2) {
+
+        $lat1= deg2rad($lat1);
+        $lng1= deg2rad($lng1);
+        $lat2= deg2rad($lat2);
+        $lng2= deg2rad($lng2);
+
+        $dlng = $lng2 - $lng1;
+        $Bx = cos($lat2) * cos($dlng);
+        $By = cos($lat2) * sin($dlng);
+        $lat3 = atan2( sin($lat1)+sin($lat2),
+        sqrt((cos($lat1)+$Bx)*(cos($lat1)+$Bx) + $By*$By ));
+        $lng3 = $lng1 + atan2($By, (cos($lat1) + $Bx));
+        $pi = pi();
+        $coords[] = ($lat3*180)/$pi;
+        $coords[] = ($lng3*180)/$pi;
+        return $coords;
+    }
+
     /**
      * Add a new map polygon.
      *