✨ Allows multiple selection and move

frontend/src/app/main/data/workspace/drawing/path.cljs

@@ -589,44 +589,43 @@
           (= mode :draw) (rx/of :interrupt)
           :else (rx/of (finish-path "changed-content")))))))
 
-(defn move-path-point [start-point end-point]
-  (ptk/reify ::move-point
-    ptk/UpdateEvent
-    (update [_ state]
-      (let [id (get-path-id state)
-            content (get-in state (get-path state :content))
+(defn move-selected-path-point [from-point to-point]
+  (letfn [(modify-content-point [content {dx :x dy :y} modifiers point]
+            (let [point-indices (ugp/point-indices content point) ;; [indices]
+                  handler-indices (ugp/handler-indices content point) ;; [[index prefix]]
 
-            {dx :x dy :y} (gpt/subtract end-point start-point)
+                  modify-point
+                  (fn [modifiers index]
+                    (-> modifiers
+                        (update index assoc :x dx :y dy)))
 
-            handler-indices (-> (ugp/content->handlers content)
-                                (get start-point))
+                  modify-handler
+                  (fn [modifiers [index prefix]]
+                    (let [cx (d/prefix-keyword prefix :x)
+                          cy (d/prefix-keyword prefix :y)]
+                      (-> modifiers
+                          (update index assoc cx dx cy dy))))]
 
-            command-for-point (fn [[index command]]
-                                (let [point (ugp/command->point command)]
-                                  (= point start-point)))
+              (as-> modifiers $
+                (reduce modify-point   $ point-indices)
+                (reduce modify-handler $ handler-indices))))]
 
-            point-indices (->> (d/enumerate content)
-                               (filter command-for-point)
-                               (map first))
+    (ptk/reify ::move-point
+      ptk/UpdateEvent
+      (update [_ state]
+        (let [id (get-path-id state)
+              content (get-in state (get-path state :content))
+              delta (gpt/subtract to-point from-point)
 
+              modifiers-reducer (partial modify-content-point content delta)
 
-            point-reducer (fn [modifiers index]
-                            (-> modifiers
-                                (assoc-in [index :x] dx)
-                                (assoc-in [index :y] dy)))
+              points (get-in state [:workspace-local :edit-path id :selected-points] #{})
 
-            handler-reducer (fn [modifiers [index prefix]]
-                              (let [cx (d/prefix-keyword prefix :x)
-                                    cy (d/prefix-keyword prefix :y)]
-                                (-> modifiers
-                                    (assoc-in [index cx] dx)
-                                    (assoc-in [index cy] dy))))
+              modifiers (get-in state [:workspace-local :edit-path id :content-modifiers] {})
+              modifiers (->> points
+                             (reduce modifiers-reducer {}))]
 
-            modifiers (as-> (get-in state [:workspace-local :edit-path id :content-modifiers] {}) $
-                        (reduce point-reducer $ point-indices)
-                        (reduce handler-reducer $ handler-indices))]
-
-        (assoc-in state [:workspace-local :edit-path id :content-modifiers] modifiers)))))
+          (assoc-in state [:workspace-local :edit-path id :content-modifiers] modifiers))))))
 
 (defn start-move-path-point
   [position]
@@ -641,7 +640,7 @@
          (rx/concat
           (->> ms/mouse-position
                (rx/take-until stopper)
-               (rx/map #(move-path-point position %)))
+               (rx/map #(move-selected-path-point start-position %)))
           (rx/of (apply-content-modifiers))))))))
 
 (defn start-move-handler

frontend/src/app/main/ui/workspace/shapes/path/actions.cljs

@@ -23,11 +23,11 @@
       [:div.viewport-actions-entry {:class (when (= edit-mode :move) "is-toggled")
                                     :on-click #(st/emit! (drp/change-edit-mode :move))} i/pointer-inner]]
      
-     #_[:div.viewport-actions-group
+     [:div.viewport-actions-group
       [:div.viewport-actions-entry {:class "is-disabled"} i/nodes-add]
       [:div.viewport-actions-entry {:class "is-disabled"} i/nodes-remove]]
 
-     #_[:div.viewport-actions-group
+     [:div.viewport-actions-group
       [:div.viewport-actions-entry {:class "is-disabled"} i/nodes-merge]
       [:div.viewport-actions-entry {:class "is-disabled"} i/nodes-join]
       [:div.viewport-actions-entry {:class "is-disabled"} i/nodes-separate]]
@@ -40,5 +40,5 @@
                                     :on-click #(when-not (empty? selected-points)
                                                  (st/emit! (drp/make-curve)))} i/nodes-curve]]
 
-     #_[:div.viewport-actions-group
+     [:div.viewport-actions-group
       [:div.viewport-actions-entry {:class (when snap-toggled "is-toggled")} i/nodes-snap]]]))

frontend/src/app/main/ui/workspace/shapes/path/editor.cljs

@@ -33,34 +33,32 @@
 
         on-click
         (fn [event]
-          (when-not last-p?
-            (dom/stop-propagation event)
-            (dom/prevent-default event)
+          (dom/stop-propagation event)
+          (dom/prevent-default event)
 
-            (let [shift? (kbd/shift? event)]
-              (cond
-                (and (= edit-mode :move) (not selected?))
-                (st/emit! (drp/select-node position shift?))
+          (let [shift? (kbd/shift? event)]
+            (cond
+              (and (= edit-mode :move) (not selected?))
+              (st/emit! (drp/select-node position shift?))
 
-                (and (= edit-mode :move) selected?)
-                (st/emit! (drp/deselect-node position shift?))))))
+              (and (= edit-mode :move) selected?)
+              (st/emit! (drp/deselect-node position shift?)))))
 
 
         on-mouse-down
         (fn [event]
-          (when-not last-p?
-            (dom/stop-propagation event)
-            (dom/prevent-default event)
+          (dom/stop-propagation event)
+          (dom/prevent-default event)
 
-            (cond
-              (= edit-mode :move)
-              (st/emit! (drp/start-move-path-point position))
+          (cond
+            (= edit-mode :move)
+            (st/emit! (drp/start-move-path-point position))
 
-              (and (= edit-mode :draw) start-path?)
-              (st/emit! (drp/start-path-from-point position))
+            (and (= edit-mode :draw) start-path?)
+            (st/emit! (drp/start-path-from-point position))
 
-              (and (= edit-mode :draw) (not start-path?))
-              (st/emit! (drp/close-path-drag-start position)))))]
+            (and (= edit-mode :draw) (not start-path?))
+            (st/emit! (drp/close-path-drag-start position))))]
 
     [:g.path-point
      [:circle.path-point
@@ -80,8 +78,9 @@
                :on-mouse-down on-mouse-down
                :on-mouse-enter on-enter
                :on-mouse-leave on-leave
-               :style {:cursor (cond
-                                 (and (not last-p?) (= edit-mode :draw)) cur/pen-node
+               :style {:pointer-events (when last-p? "none")
+                       :cursor (cond
+                                 (= edit-mode :draw) cur/pen-node
                                  (= edit-mode :move) cur/pointer-node)
                        :fill "transparent"}}]]))
 

frontend/src/app/util/geom/path.cljs

@@ -468,7 +468,6 @@
   [content]
   (->> (d/with-prev content)
        (d/enumerate)
-
        (mapcat (fn [[index [cur-cmd pre-cmd]]]
                  (if (and pre-cmd (= :curve-to (:command cur-cmd)))
                    (let [cur-pos (command->point cur-cmd)
@@ -480,6 +479,25 @@
        (group-by first)
        (d/mapm #(mapv second %2))))
 
+(defn point-indices
+  [content point]
+  (->> (d/enumerate content)
+       (filter (fn [[_ cmd]] (= point (command->point cmd))))
+       (mapv (fn [[index _]] index))))
+
+(defn handler-indices
+  [content point]
+  (->> (d/with-prev content)
+       (d/enumerate)
+       (mapcat (fn [[index [cur-cmd pre-cmd]]]
+                 (if (and (some? pre-cmd) (= :curve-to (:command cur-cmd)))
+                   (let [cur-pos (command->point cur-cmd)
+                         pre-pos (command->point pre-cmd)]
+                     (cond-> []
+                       (= pre-pos point) (conj [index :c1])
+                       (= cur-pos point) (conj [index :c2])))
+                   [])))))
+
 (defn opposite-index
   "Calculate sthe opposite index given a prefix and an index"
   [content index prefix]