feat: add animation toggle interface (#256)

Co-authored-by: “Andras <“[email protected]”>

Author: AppPear

Sources/SwiftUICharts/Charts/LineChart/Extension/LineChart+Extension.swift

@@ -21,4 +21,9 @@ extension LineChart {
         self.chartProperties.lineStyle = style
         return self
     }
+
+    public func withAnimation(_ enabled: Bool) -> LineChart {
+        self.chartProperties.animationEnabled = enabled
+        return self
+    }
 }

Sources/SwiftUICharts/Charts/LineChart/Line.swift

@@ -33,36 +33,32 @@ public struct Line: View {
                                             geometry: geometry,
                                             backgroundColor: backgroundColor)
                 }
-                LineShapeView(chartData: chartData,
-                              chartProperties: chartProperties,
-                              geometry: geometry,
-                              style: style,
-                              trimTo: didCellAppear ? 1.0 : 0.0)
-                .animation(Animation.easeIn(duration: 0.75))
-                if self.showIndicator {
-                    IndicatorPoint()
-                        .position(self.getClosestPointOnPath(geometry: geometry,
-                                                             touchLocation: self.touchLocation))
-                        .toStandardCoordinateSystem()
-                }
+                lineShapeView(geometry: geometry)
             }
             .onAppear {
                 didCellAppear = true
             }
             .onDisappear() {
                 didCellAppear = false
             }
-//            .gesture(DragGesture()
-//                .onChanged({ value in
-//                    self.touchLocation = value.location
-//                    self.showIndicator = true
-//                    self.getClosestDataPoint(geometry: geometry, touchLocation: value.location)
-//                })
-//                .onEnded({ value in
-//                    self.touchLocation = .zero
-//                    self.showIndicator = false
-//                })
-//            )
+        }
+    }
+
+    @ViewBuilder
+    private func lineShapeView(geometry: GeometryProxy) -> some View {
+        if chartProperties.animationEnabled {
+            LineShapeView(chartData: chartData,
+                          chartProperties: chartProperties,
+                          geometry: geometry,
+                          style: style,
+                          trimTo: didCellAppear ? 1.0 : 0.0)
+            .animation(Animation.easeIn(duration: 0.75))
+        } else {
+            LineShapeView(chartData: chartData,
+                          chartProperties: chartProperties,
+                          geometry: geometry,
+                          style: style,
+                          trimTo: 1.0)
         }
     }
 }

Sources/SwiftUICharts/Charts/LineChart/Model/LineChartProperties.swift

@@ -6,7 +6,7 @@ public class LineChartProperties: ObservableObject {
     @Published var showChartMarks: Bool = true
     @Published var customChartMarksColors: ColorGradient?
     @Published var lineStyle: LineStyle = .curved
-
+    @Published var animationEnabled: Bool = true
     public init() {
         // no-op
     }