✨ More functionality to dynamic alignment

frontend/src/uxbox/main/data/workspace/transforms.cljs

@@ -65,19 +65,21 @@
                 :bottom-left [ex sy])]
     (gpt/point x y)))
 
+(defn finish-transform [state]
+  (update state :workspace-local dissoc :transform))
+
 ;; -- RESIZE
 (defn start-resize
   [handler ids shape]
-  (letfn [(resize [shape initial [point lock?]]
+  (letfn [(resize [shape initial resizing-shapes snap-data [point lock?]]
             (let [{:keys [width height rotation]} shape
-
                   shapev (-> (gpt/point width height))
 
                   ;; Vector modifiers depending on the handler
                   handler-modif (let [[x y] (handler-modifiers handler)] (gpt/point x y))
 
                   ;; Difference between the origin point in the coordinate system of the rotation
-                  deltav (-> (gpt/subtract point initial)
+                  deltav (-> (snap/closest-snap snap-data resizing-shapes (gpt/to-vec initial point))
                              (gpt/transform (gmt/rotate-matrix (- rotation)))
                              (gpt/multiply handler-modif))
 
@@ -115,27 +117,41 @@
           ;;     (rx/of point)))
           ]
     (reify
+      ptk/UpdateEvent
+      (update [_ state]
+        (-> state
+            (assoc-in [:workspace-local :transform] :resize)))
+
       ptk/WatchEvent
       (watch [_ state stream]
         (let [initial (apply-zoom @ms/mouse-position)
               shape  (gsh/shape->rect-shape shape)
-              stoper (rx/filter ms/mouse-up? stream)]
+              stoper (rx/filter ms/mouse-up? stream)
+              snap-data (get state :workspace-snap-data)
+              page-id (get state :current-page-id)
+              resizing-shapes (map #(get-in state [:workspace-data page-id :objects %]) ids)]
           (rx/concat
            (->> ms/mouse-position
                 (rx/map apply-zoom)
                 ;; (rx/mapcat apply-grid-alignment)
                 (rx/with-latest vector ms/mouse-position-ctrl)
                 (rx/map normalize-proportion-lock)
-                (rx/mapcat (partial resize shape initial))
+                (rx/mapcat (partial resize shape initial resizing-shapes snap-data))
                 (rx/take-until stoper))
            #_(rx/empty)
-           (rx/of (apply-modifiers ids))))))))
+           (rx/of (apply-modifiers ids)
+                  finish-transform)))))))
 
 
 ;; -- ROTATE
 (defn start-rotate
   [shapes]
   (ptk/reify ::start-rotate
+    ptk/UpdateEvent
+    (update [_ state]
+      (-> state
+          (assoc-in [:workspace-local :transform] :rotate)))
+
     ptk/WatchEvent
     (watch [_ state stream]
       (let [stoper (rx/filter ms/mouse-up? stream)
@@ -163,13 +179,19 @@
                         (let [delta-angle (calculate-angle pos ctrl?)]
                           (set-rotation delta-angle shapes group-center))))
               (rx/take-until stoper))
-         (rx/of (apply-modifiers (map :id shapes))))))))
+         (rx/of (apply-modifiers (map :id shapes))
+                finish-transform))))))
 
 ;; -- MOVE
 
 (defn start-move-selected
   []
   (ptk/reify ::start-move-selected
+    ptk/UpdateEvent
+    (update [_ state]
+      (-> state
+          (assoc-in [:workspace-local :transform] :move)))
+
     ptk/WatchEvent
     (watch [_ state stream]
       (let [selected (get-in state [:workspace-local :selected])
@@ -192,11 +214,14 @@
               (rx/map #(set-modifiers selected {:displacement %}))
               (rx/tap #(vswap! counter inc))
               (rx/take-until stoper))
-         (->> (rx/create (fn [sink] (sink @counter)))
+         (->> (rx/create (fn [sink] (sink (reduced @counter))))
               (rx/mapcat (fn [n]
                            (if (zero? n)
                              (rx/empty)
-                             (rx/of (apply-modifiers selected)))))))))))
+                             (rx/of (apply-modifiers selected))))))
+
+         (rx/of finish-transform)
+         )))))
 
 (defn- get-displacement-with-grid
   "Retrieve the correct displacement delta point for the

frontend/src/uxbox/main/refs.cljs

@@ -93,6 +93,15 @@
 (def selected-shapes
   (l/derived :selected workspace-local))
 
+(def selected-shapes-with-children
+  (letfn [(selector [state]
+            (let [selected (get-in state [:workspace-local :selected])
+                  page-id (get-in state [:workspace-page :id])
+                  objects (get-in state [:workspace-data page-id :objects])
+                  children (mapcat #(helpers/get-children % objects) selected)]
+              (into selected children)))]
+    (l/derived selector st/state)))
+
 (defn make-selected
   [id]
   (l/derived #(contains? % id) selected-shapes))
@@ -105,3 +114,6 @@
 
 (def selected-edition
   (l/derived :edition workspace-local))
+
+(def current-transform
+  (l/derived :transform workspace-local))

frontend/src/uxbox/main/ui/workspace/drawarea.cljs

@@ -119,8 +119,8 @@
             (let [shape (get-in state [:workspace-local :drawing])
                   shape (geom/setup shape {:x (:x point)
                                            :y (:y point)
-                                           :width 10
-                                           :height 10})]
+                                           :width 1
+                                           :height 1})]
               (assoc-in state [:workspace-local :drawing] (assoc shape ::initialized? true))))
 
           (resize-shape [{:keys [x y] :as shape} initial point lock?]
@@ -280,8 +280,16 @@
         (rx/concat
          (rx/of dw/clear-drawing)
          (when (::initialized? shape)
-           (let [shape (-> shape
+           (let [shape-min-width (case (:type shape)
+                                   :text 20
+                                   5)
+                 shape-min-height (case (:type shape)
+                                    :text 16
+                                    5)
+                 shape (-> shape
                            (geom/transform-shape)
+                           (update :width #(max shape-min-width %))
+                           (update :height #(max shape-min-height %))
                            (dissoc shape ::initialized?))]
              ;; Add & select the created shape to the workspace
              (rx/of dw/deselect-all

frontend/src/uxbox/main/ui/workspace/selection.cljs

@@ -22,7 +22,6 @@
    [uxbox.util.object :as obj]
    [uxbox.util.geom.point :as gpt]
    [uxbox.util.geom.matrix :as gmt]
-   [uxbox.main.ui.workspace.snap-feedback :refer [snap-feedback]]
    [uxbox.util.debug :refer [debug?]]))
 
 ;; --- Controls (Component)
@@ -97,7 +96,7 @@
         zoom  (obj/get props "zoom")
         on-resize (obj/get props "on-resize")
         on-rotate (obj/get props "on-rotate")
-
+        current-transform (mf/deref refs/current-transform)
         {:keys [x y width height rotation] :as shape} (geom/shape->rect-shape shape)
 
         radius (if (> (max width height) handler-size-threshold) 4.0 4.0)
@@ -112,18 +111,21 @@
                          :bottom-right [(+ x width) (+ y height)]}]
 
     [:g.controls
+     (when (not (#{:move :rotate :resize} current-transform))
       [:rect.main {:transform transform
                    :x (- x 1) :y (- y 1)
                    :width (+ width 2)
                    :height (+ height 2)
                    :style {:stroke "#1FDEA7"
                            :stroke-width "1"
-                          :fill "transparent"}}]
+                           :fill "transparent"}}])
 
+     (when (not (#{:move :rotate} current-transform))
        (for [[position [cx cy]] resize-handlers]
          (let [tp (gpt/transform (gpt/point cx cy) transform)]
            [:* {:key (name position)}
-          [:& rotation-handler {:cx (:x tp)
+            [:& rotation-handler {:key (str "rotation-" (name position))
+                                  :cx (:x tp)
                                   :cy (:y tp)
                                   :position position
                                   :rotation (:rotation shape)
@@ -195,7 +197,6 @@
   [{:keys [shapes selected zoom] :as props}]
   (let [shape (geom/selection-rect shapes)
         shape-center (geom/center shape)
-
         on-resize #(do (dom/stop-propagation %2)
                        (st/emit! (dw/start-resize %1 selected shape)))
 
@@ -207,7 +208,6 @@
                    :zoom zoom
                    :on-resize on-resize
                    :on-rotate on-rotate}]
-     [:& snap-feedback {:shapes shapes}]
      (when (debug? :selection-center)
        [:circle {:cx (:x shape-center) :cy (:y shape-center) :r 5 :fill "yellow"}])]))
 
@@ -229,8 +229,7 @@
      [:& controls {:shape shape'
                    :zoom zoom
                    :on-rotate on-rotate
-                   :on-resize on-resize}]
-     [:& snap-feedback {:shapes [shape]}]]))
+                   :on-resize on-resize}]]))
 
 (mf/defc selection-handlers
   [{:keys [selected edition zoom] :as props}]

frontend/src/uxbox/main/ui/workspace/sidebar/options/.#circle.cljs

@@ -1 +0,0 @@
-alotor@bloodraven.68367:1587963441

frontend/src/uxbox/main/ui/workspace/snap_feedback.cljs

@@ -5,44 +5,43 @@
    [uxbox.util.geom.snap :as snap]
    [uxbox.util.geom.point :as gpt]))
 
-
 (def ^:private line-color "#D383DA")
 
-(mf/defc snap-feedback
-  [{:keys [shapes] :as props}]
-  (let [snap-data (mf/deref refs/workspace-snap-data)]
+(mf/defc snap-feedback []
+  (let [selected (mf/deref refs/selected-shapes)
+        shapes (mf/deref (refs/objects-by-id selected))
+        filter-shapes (mf/deref refs/selected-shapes-with-children)
+        current-transform (mf/deref refs/current-transform)
+        snap-data (mf/deref refs/workspace-snap-data)]
+    (when (not (nil? current-transform))
      (for [shape shapes]
        (for [point (snap/shape-snap-points shape)]
          (let [frame-id (:frame-id shape)
                shape-id (:id shape)
-
-              snaps-x (snap/get-snap-points snap-data frame-id shape-id point :x)
-              snaps-y (snap/get-snap-points snap-data frame-id shape-id point :y)]
-          (if (or (not-empty snaps-x) (not-empty snaps-y))
+               snaps (into #{}
+                           (concat 
+                            (snap/get-snap-points snap-data frame-id filter-shapes point :x)
+                            (snap/get-snap-points snap-data frame-id filter-shapes point :y)))]
+           (if (not-empty snaps)
              [:* {:key (str "point-" (:id shape) "-" (:x point) "-" (:y point))}
               [:circle {:cx (:x point)
                         :cy (:y point)
                         :r 2
                         :fill line-color}]
 
-             (for [snap (concat snaps-x snaps-y)]
-               [:*
-                [:circle {:cx (:x snap)
+              (for [snap snaps]
+                [:circle {:key (str "snap-" (:id shape) "-" (:x point) "-" (:y point) "-" (:x snap) "-" (:y snap))
+                          :cx (:x snap)
                           :cy (:y snap)
                           :r 2
-                          :fill line-color}]
-                [:line {:x1 (:x snap)
+                          :fill line-color}])
+
+              (for [snap snaps]
+                [:line {:key (str "line-" (:id shape) "-" (:x point) "-" (:y point) "-" (:x snap) "-" (:y snap))
+                        :x1 (:x snap)
                         :y1 (:y snap)
                         :x2 (:x point)
                         :y2 (:y point)
                         :style {:stroke line-color :stroke-width "1"}
-                        :opacity 0.4}]])
-             
-             #_(when is-snap-y?
-               [:line {:x1 -10000
-                       :y1 (:y point)
-                       :x2 10000
-                       :y2 (:y point)
-                       :style {:stroke line-color :stroke-width "1"}
-                       :opacity 0.4}])]))))))
+                        :opacity 0.4}])])))))))
 

frontend/src/uxbox/main/ui/workspace/viewport.cljs

@@ -29,6 +29,7 @@
    [uxbox.main.ui.workspace.ruler :refer [ruler]]
    [uxbox.main.ui.workspace.selection :refer [selection-handlers]]
    [uxbox.main.ui.workspace.presence :as presence]
+   [uxbox.main.ui.workspace.snap-feedback :refer [snap-feedback]]
    [uxbox.util.dom :as dom]
    [uxbox.util.geom.point :as gpt]
    [uxbox.util.perf :as perf]
@@ -305,6 +306,8 @@
                                  :zoom zoom
                                  :edition edition}])
 
+       [:& snap-feedback]
+
        (when-let [drawing-shape (:drawing local)]
          [:& draw-area {:shape drawing-shape
                         :zoom zoom

frontend/src/uxbox/util/geom/point.cljs

@@ -8,8 +8,9 @@
 ;; Copyright (c) 2015-2020 Andrey Antukh <niwi@niwi.nz>
 
 (ns uxbox.util.geom.point
-  (:refer-clojure :exclude [divide])
+  (:refer-clojure :exclude [divide min max])
   (:require
+   [cljs.core :as c]
    [cuerdas.core :as str]
    [uxbox.util.math :as mth]
    [cognitect.transit :as t]))
@@ -70,6 +71,15 @@
   (assert (point? other))
   (Point. (/ x ox) (/ y oy)))
 
+
+(defn min
+  [{x1 :x y1 :y :as p1} {x2 :x y2 :y :as p2}]
+  (Point. (c/min x1 x2) (c/min y1 y2)))
+
+(defn max
+  [{x1 :x y1 :y :as p1} {x2 :x y2 :y :as p2}]
+  (Point. (c/max x1 x2) (c/max y1 y2)))
+
 (defn inverse
   [{:keys [x y] :as p}]
   (assert (point? p))

frontend/src/uxbox/util/geom/shapes.cljs

@@ -738,6 +738,15 @@
     (gpt/divide (gpt/point (:width shape-path-temp-rec) (:height shape-path-temp-rec))
                 (gpt/point (:width shape-path-temp-dim) (:height shape-path-temp-dim)))))
 
+(defn- fix-invalid-rect-values [rect-shape]
+  (letfn [(check [num] (if (or (nil? num) (mth/nan? num)) 0 num))
+          (to-positive [num] (if (< num 1) 1 num))]
+    (-> rect-shape
+        (update :x check)
+        (update :y check)
+        (update :width (comp to-positive check))
+        (update :height (comp to-positive check)))))
+
 (defn transform-rect-shape
   [shape]
   (let [;; Apply modifiers to the rect as a path so we have the end shape expected
@@ -785,6 +794,7 @@
                       (merge rec)
                       (update :x #(mth/precision % 2))
                       (update :y #(mth/precision % 2))
+                      (fix-invalid-rect-values)
                       (update :transform #(gmt/multiply (or % (gmt/matrix)) stretch-matrix))
                       (update :transform-inverse #(gmt/multiply stretch-matrix-inverse (or % (gmt/matrix)))))]
 

frontend/src/uxbox/util/geom/snap.cljs

@@ -16,17 +16,29 @@
    [uxbox.util.geom.point :as gpt]
    [uxbox.util.debug :refer [logjs]]))
 
-(def ^:private snap-accuracy 5)
+(def ^:private snap-accuracy 8)
 
 (defn mapm
   "Map over the values of a map"
   [mfn coll]
   (into {} (map (fn [[key val]] [key (mfn val)]) coll)))
 
+(defn- frame-snap-points [{:keys [x y width height]}]
+  #{(gpt/point x y)
+    (gpt/point (+ x (/ width 2)) y)
+    (gpt/point (+ x width) y)
+    (gpt/point (+ x width) (+ y (/ height 2)))
+    (gpt/point (+ x width) (+ y height))
+    (gpt/point (+ x (/ width 2)) (+ y height))
+    (gpt/point x (+ y height))
+    (gpt/point x (+ y (/ height 2)))})
+
 (defn shape-snap-points [shape]
+  (if (= :frame (:type shape))
+    (frame-snap-points shape)
     (let [modified-path (gsh/transform-apply-modifiers shape)
           shape-center (gsh/center modified-path)]
-    (into #{shape-center} (:segments modified-path))))
+      (into #{shape-center} (:segments modified-path)))))
 
 (defn create-coord-data [shapes coord]
   (let [process-shape
@@ -42,7 +54,14 @@
   "Initialize the snap information with the current workspace information"
   [objects]
   (let [shapes (vals objects)
-        frame-shapes (group-by :frame-id (filter (comp not nil? :frame-id) shapes))]
+        frame-shapes (->> shapes
+                          (filter (comp not nil? :frame-id))
+                          (group-by :frame-id))
+
+        frame-shapes (->> shapes
+                          (filter #(= :frame (:type %)))
+                          (remove #(= zero (:id %)))
+                          (reduce #(update %1 (:id %2) conj %2) frame-shapes))]
     (logjs "snap-data"
            (mapm (fn [shapes] {:x (create-coord-data shapes :x)
                                :y (create-coord-data shapes :y)})
@@ -125,13 +144,13 @@
 
      (gpt/add trans-vec snapv))))
 
-(defn get-snap-points [snap-data frame-id shape-id point coord]
+(defn get-snap-points [snap-data frame-id filter-shapes point coord]
   (let [value (coord point)
 
         ;; Search for values within 1 pixel
         snap-matches (-> (get-in snap-data [frame-id coord])
                         (range-query (- value 0.5) (+ value 0.5))
-                        (remove-from-snap-points #{shape-id}))
+                        (remove-from-snap-points filter-shapes))
 
         snap-points (mapcat (fn [[v data]] (map (fn [[point _]] point) data)) snap-matches)]
     snap-points))
@@ -139,5 +158,5 @@
 (defn is-snapping? [snap-data frame-id shape-id point coord]
   (let [value (coord point)
         ;; Search for values within 1 pixel
-        snap-points (range-query (get-in snap-data [frame-id coord]) (- value 0.25) (+ value 0.25))]
+        snap-points (range-query (get-in snap-data [frame-id coord]) (- value 1.0) (+ value 1.0))]
     (some (fn [[point other-shape-id]] (not (= shape-id other-shape-id))) snap-points)))