add flexscroller

doric-js/src/widget/flexScroller.ts

@@ -0,0 +1,56 @@
+/*
+ * Copyright [2019] [Doric.Pub]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { View, IView, Property, Group } from '../ui/view'
+import { layoutConfig } from '../util/layoutconfig'
+import { BridgeContext } from '../runtime/global'
+
+export function flexScroller(views: View[], config?: IFlexScroller) {
+    const ret = new FlexScroller
+    ret.layoutConfig = layoutConfig().fit()
+    for (let v of views) {
+        ret.addChild(v)
+    }
+    if (config) {
+        for (let key in config) {
+            Reflect.set(ret, key, Reflect.get(config, key, config), ret)
+        }
+    }
+    return ret
+}
+
+export interface IFlexScroller extends IView {
+    contentOffset?: { x: number, y: number }
+}
+
+export class FlexScroller extends Group implements IFlexScroller {
+
+    @Property
+    contentOffset?: { x: number, y: number }
+
+    @Property
+    onScroll?: (offset: { x: number, y: number }) => void
+
+    @Property
+    onScrollEnd?: (offset: { x: number, y: number }) => void
+
+    scrollTo(context: BridgeContext, offset: { x: number, y: number }, animated?: boolean) {
+        return this.nativeChannel(context, "scrollTo")({ offset, animated })
+    }
+
+    scrollBy(context: BridgeContext, offset: { x: number, y: number }, animated?: boolean) {
+        return this.nativeChannel(context, "scrollBy")({ offset, animated })
+    }
+}

doric-js/src/widget/index.widget.ts

@@ -24,4 +24,5 @@ export * from './flowlayout'
 export * from './input'
 export * from './nestedSlider'
 export * from './draggable'
-export * from './switch'
+export * from './switch'
+export * from './flexScroller'

doric-js/src/widget/layouts.ts

@@ -98,7 +98,7 @@ export function vlayout(views: View[], config?: IVLayout) {
 export class FlexLayout extends Group {
 }
 
-export function flexlayout(views: View[], config: IView) {
+export function flexlayout(views: View[], config?: IView) {
     const ret = new FlexLayout
     ret.layoutConfig = layoutConfig().fit()
     for (let v of views) {