js: update beforeDragging & add itemCanDrag

doric-js/bundle/doric-lib.es5.js

@@ -2586,6 +2586,10 @@ var List = /** @class */ (function (_super) {
         Property,
         __metadata$b("design:type", Boolean)
     ], List.prototype, "canDrag", void 0);
+    __decorate$b([
+        Property,
+        __metadata$b("design:type", Function)
+    ], List.prototype, "itemCanDrag", void 0);
     __decorate$b([
         Property,
         __metadata$b("design:type", Function)
@@ -3268,6 +3272,10 @@ var FlowLayout = /** @class */ (function (_super) {
         Property,
         __metadata$7("design:type", Boolean)
     ], FlowLayout.prototype, "canDrag", void 0);
+    __decorate$7([
+        Property,
+        __metadata$7("design:type", Function)
+    ], FlowLayout.prototype, "itemCanDrag", void 0);
     __decorate$7([
         Property,
         __metadata$7("design:type", Function)
@@ -4010,6 +4018,10 @@ var HorizontalList = /** @class */ (function (_super) {
         Property,
         __metadata("design:type", Boolean)
     ], HorizontalList.prototype, "canDrag", void 0);
+    __decorate([
+        Property,
+        __metadata("design:type", Function)
+    ], HorizontalList.prototype, "itemCanDrag", void 0);
     __decorate([
         Property,
         __metadata("design:type", Function)

doric-js/bundle/doric-lib.js

@@ -1972,6 +1972,10 @@ __decorate$b([
     Property,
     __metadata$b("design:type", Boolean)
 ], List.prototype, "canDrag", void 0);
+__decorate$b([
+    Property,
+    __metadata$b("design:type", Function)
+], List.prototype, "itemCanDrag", void 0);
 __decorate$b([
     Property,
     __metadata$b("design:type", Function)
@@ -2505,6 +2509,10 @@ __decorate$7([
     Property,
     __metadata$7("design:type", Boolean)
 ], FlowLayout.prototype, "canDrag", void 0);
+__decorate$7([
+    Property,
+    __metadata$7("design:type", Function)
+], FlowLayout.prototype, "itemCanDrag", void 0);
 __decorate$7([
     Property,
     __metadata$7("design:type", Function)
@@ -3071,6 +3079,10 @@ __decorate([
     Property,
     __metadata("design:type", Boolean)
 ], HorizontalList.prototype, "canDrag", void 0);
+__decorate([
+    Property,
+    __metadata("design:type", Function)
+], HorizontalList.prototype, "itemCanDrag", void 0);
 __decorate([
     Property,
     __metadata("design:type", Function)

doric-js/bundle/doric-vm.js

@@ -3502,6 +3502,10 @@ __decorate$b([
     Property,
     __metadata$b("design:type", Boolean)
 ], List.prototype, "canDrag", void 0);
+__decorate$b([
+    Property,
+    __metadata$b("design:type", Function)
+], List.prototype, "itemCanDrag", void 0);
 __decorate$b([
     Property,
     __metadata$b("design:type", Function)
@@ -4035,6 +4039,10 @@ __decorate$7([
     Property,
     __metadata$7("design:type", Boolean)
 ], FlowLayout.prototype, "canDrag", void 0);
+__decorate$7([
+    Property,
+    __metadata$7("design:type", Function)
+], FlowLayout.prototype, "itemCanDrag", void 0);
 __decorate$7([
     Property,
     __metadata$7("design:type", Function)
@@ -4601,6 +4609,10 @@ __decorate([
     Property,
     __metadata("design:type", Boolean)
 ], HorizontalList.prototype, "canDrag", void 0);
+__decorate([
+    Property,
+    __metadata("design:type", Function)
+], HorizontalList.prototype, "itemCanDrag", void 0);
 __decorate([
     Property,
     __metadata("design:type", Function)

doric-js/index.d.ts

@@ -1029,7 +1029,16 @@ declare module "doric" {
 		 */
 		bounces?: boolean;
 		canDrag?: boolean;
-		beforeDragging?: (from: number) => void;
+		/**
+		 * @param from
+		 * @returns Returns the item of index which can dragged or not.
+		 */
+		itemCanDrag?: (from: number) => boolean;
+		/**
+		 * @param from
+		 * @returns Returns an array of index which can not be swap during dragging.
+		 */
+		beforeDragging?: (from: number) => (Array<number> | void);
 		onDragging?: (from: number, to: number) => void;
 		onDragged?: (from: number, to: number) => void;
 		scrollToItem(context: BridgeContext, index: number, config?: {
@@ -1191,7 +1200,16 @@ declare module "doric" {
 		 */
 		bounces?: boolean;
 		canDrag?: boolean;
-		beforeDragging?: (from: number) => void;
+		/**
+		 * @param from
+		 * @returns Returns the item of index which can dragged or not.
+		 */
+		itemCanDrag?: (from: number) => boolean;
+		/**
+		 * @param from
+		 * @returns Returns an array of index which can not be swap during dragging.
+		 */
+		beforeDragging?: (from: number) => (Array<number> | void);
 		onDragging?: (from: number, to: number) => void;
 		onDragged?: (from: number, to: number) => void;
 		/**
@@ -1454,7 +1472,16 @@ declare module "doric" {
 		 */
 		bounces?: boolean;
 		canDrag?: boolean;
-		beforeDragging?: (from: number) => void;
+		/**
+		 * @param from
+		 * @returns Returns the item of index which can dragged or not.
+		 */
+		itemCanDrag?: (from: number) => boolean;
+		/**
+		 * @param from
+		 * @returns Returns an array of index which can not be swap during dragging.
+		 */
+		beforeDragging?: (from: number) => (Array<number> | void);
 		onDragging?: (from: number, to: number) => void;
 		onDragged?: (from: number, to: number) => void;
 		scrollToItem(context: BridgeContext, index: number, config?: {

doric-js/lib/src/widget/flowlayout.d.ts

@@ -38,7 +38,16 @@ export declare class FlowLayout extends Superview {
      */
     bounces?: boolean;
     canDrag?: boolean;
-    beforeDragging?: (from: number) => void;
+    /**
+     * @param from
+     * @returns Returns the item of index which can dragged or not.
+     */
+    itemCanDrag?: (from: number) => boolean;
+    /**
+     * @param from
+     * @returns Returns an array of index which can not be swap during dragging.
+     */
+    beforeDragging?: (from: number) => (Array<number> | void);
     onDragging?: (from: number, to: number) => void;
     onDragged?: (from: number, to: number) => void;
     /**

doric-js/lib/src/widget/flowlayout.js

@@ -151,6 +151,10 @@ __decorate([
     Property,
     __metadata("design:type", Boolean)
 ], FlowLayout.prototype, "canDrag", void 0);
+__decorate([
+    Property,
+    __metadata("design:type", Function)
+], FlowLayout.prototype, "itemCanDrag", void 0);
 __decorate([
     Property,
     __metadata("design:type", Function)

doric-js/lib/src/widget/horizontalList.d.ts

@@ -31,7 +31,16 @@ export declare class HorizontalList extends Superview {
      */
     bounces?: boolean;
     canDrag?: boolean;
-    beforeDragging?: (from: number) => void;
+    /**
+     * @param from
+     * @returns Returns the item of index which can dragged or not.
+     */
+    itemCanDrag?: (from: number) => boolean;
+    /**
+     * @param from
+     * @returns Returns an array of index which can not be swap during dragging.
+     */
+    beforeDragging?: (from: number) => (Array<number> | void);
     onDragging?: (from: number, to: number) => void;
     onDragged?: (from: number, to: number) => void;
     scrollToItem(context: BridgeContext, index: number, config?: {

doric-js/lib/src/widget/horizontalList.js

@@ -142,6 +142,10 @@ __decorate([
     Property,
     __metadata("design:type", Boolean)
 ], HorizontalList.prototype, "canDrag", void 0);
+__decorate([
+    Property,
+    __metadata("design:type", Function)
+], HorizontalList.prototype, "itemCanDrag", void 0);
 __decorate([
     Property,
     __metadata("design:type", Function)

doric-js/lib/src/widget/list.d.ts

@@ -37,7 +37,16 @@ export declare class List extends Superview {
      */
     bounces?: boolean;
     canDrag?: boolean;
-    beforeDragging?: (from: number) => void;
+    /**
+     * @param from
+     * @returns Returns the item of index which can dragged or not.
+     */
+    itemCanDrag?: (from: number) => boolean;
+    /**
+     * @param from
+     * @returns Returns an array of index which can not be swap during dragging.
+     */
+    beforeDragging?: (from: number) => (Array<number> | void);
     onDragging?: (from: number, to: number) => void;
     onDragged?: (from: number, to: number) => void;
     scrollToItem(context: BridgeContext, index: number, config?: {

doric-js/lib/src/widget/list.js

@@ -146,6 +146,10 @@ __decorate([
     Property,
     __metadata("design:type", Boolean)
 ], List.prototype, "canDrag", void 0);
+__decorate([
+    Property,
+    __metadata("design:type", Function)
+], List.prototype, "itemCanDrag", void 0);
 __decorate([
     Property,
     __metadata("design:type", Function)

doric-js/src/widget/flowlayout.ts

@@ -87,8 +87,19 @@ export class FlowLayout extends Superview {
     @Property
     canDrag?: boolean
 
+    /**
+     * @param from 
+     * @returns Returns the item of index which can dragged or not.
+     */
     @Property
-    beforeDragging?: (from: number) => void
+    itemCanDrag?: (from: number) => boolean
+
+    /**
+     * @param from 
+     * @returns Returns an array of index which can not be swap during dragging.
+     */
+    @Property
+    beforeDragging?: (from: number) => (Array<number> | void)
 
     @Property
     onDragging?: (from: number, to: number) => void

doric-js/src/widget/horizontalList.ts

@@ -84,8 +84,19 @@ export class HorizontalList extends Superview {
     @Property
     canDrag?: boolean
 
+    /**
+     * @param from 
+     * @returns Returns the item of index which can dragged or not.
+     */
      @Property
-    beforeDragging?: (from: number) => void
+     itemCanDrag?: (from: number) => boolean
+
+    /**
+     * @param from 
+     * @returns Returns an array of index which can not be swap during dragging.
+     */
+    @Property
+    beforeDragging?: (from: number) => (Array<number> | void)
 
     @Property
     onDragging?: (from: number, to: number) => void

doric-js/src/widget/list.ts

@@ -84,8 +84,19 @@ export class List extends Superview {
     @Property
     canDrag?: boolean
 
+    /**
+     * @param from 
+     * @returns Returns the item of index which can dragged or not.
+     */
      @Property
-    beforeDragging?: (from: number) => void
+     itemCanDrag?: (from: number) => boolean
+
+    /**
+     * @param from 
+     * @returns Returns an array of index which can not be swap during dragging.
+     */
+    @Property
+    beforeDragging?: (from: number) => (Array<number> | void)
 
     @Property
     onDragging?: (from: number, to: number) => void