Merge pull request #59 from azavea/ms/save-initial-reference-image-lo…

…cation Save layer corners on layer remove
azavea · Sep 7, 2022 · d3daef9 · d3daef9
2 parents caa3407 + 76eb0b1
commit d3daef9
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -35,6 +35,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Fix react-remove-scroll-bar warning [#29](https://github.com/azavea/iow-boundary-tool/pull/29)
+- Don't move reference image when panning map [#59](https://github.com/azavea/iow-boundary-tool/pull/59)
 
 ### Deprecated
 

diff --git a/src/app/src/components/Layers/ReferenceImageLayer.js b/src/app/src/components/Layers/ReferenceImageLayer.js
@@ -66,6 +66,27 @@ function ReferenceImageLayer() {
             layer.on('dragend', updateImageHandler);
             layer.on('refresh', updateImageHandler);
 
+            /**
+             * This is handler is added to save the default position of the
+             * reference image. It uses the remove event because the corners
+             * don't always exist on the add event. Also, corners might not
+             * be set for some remove events, so their their existence is
+             * verified before dispatching an update,
+             */
+            if (!corners) {
+                layer.on('remove', ({ target: layer }) => {
+                    if (layer._corners) {
+                        dispatch(
+                            updateReferenceImage({
+                                corners: layer._corners.map(
+                                    convertCornerToStateFormat
+                                ),
+                            })
+                        );
+                    }
+                });
+            }
+
             return layer;
         },
         // TODO: Figure out how to prevent deselect on re-render