From f6ec51920257c7a1488e2f3b7ae7022c32a7540d Mon Sep 17 00:00:00 2001
From: "pengfei.zhou" <pengfeizhou@foxmail.com>
Date: Sat, 7 Dec 2019 15:51:00 +0800
Subject: [PATCH] feat:add nested slider for complex nested situation

---
 src/widget/flowlayout.ts   |  9 +++------
 src/widget/index.widget.ts |  3 ++-
 src/widget/nestedSlider.ts | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 40 insertions(+), 7 deletions(-)
 create mode 100644 src/widget/nestedSlider.ts

diff --git a/src/widget/flowlayout.ts b/src/widget/flowlayout.ts
index fe0655a5..5b8033d3 100644
--- a/src/widget/flowlayout.ts
+++ b/src/widget/flowlayout.ts
@@ -69,12 +69,9 @@ export class FlowLayout extends Superview implements IFlowLayout {
         this.itemCount = 0
     }
     private getItem(itemIdx: number) {
-        let view = this.cachedViews.get(`${itemIdx}`)
-        if (view === undefined) {
-            view = this.renderItem(itemIdx)
-            view.superview = this
-            this.cachedViews.set(`${itemIdx}`, view)
-        }
+        let view = this.renderItem(itemIdx)
+        view.superview = this
+        this.cachedViews.set(`${itemIdx}`, view)
         return view
     }
 
diff --git a/src/widget/index.widget.ts b/src/widget/index.widget.ts
index 26428538..11f5bd97 100644
--- a/src/widget/index.widget.ts
+++ b/src/widget/index.widget.ts
@@ -21,4 +21,5 @@ export * from './slider'
 export * from './scroller'
 export * from './refreshable'
 export * from './flowlayout'
-export * from './input'
\ No newline at end of file
+export * from './input'
+export * from './nestedSlider'
\ No newline at end of file
diff --git a/src/widget/nestedSlider.ts b/src/widget/nestedSlider.ts
new file mode 100644
index 00000000..dab3f755
--- /dev/null
+++ b/src/widget/nestedSlider.ts
@@ -0,0 +1,35 @@
+/*
+ * 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 { Group, View, Property } from '../ui/view'
+import { BridgeContext } from '../runtime/global'
+
+
+export class NestedSlider extends Group {
+    @Property
+    onPageSlided?: (index: number) => void
+
+    addSlideItem(view: View) {
+        this.addChild(view)
+    }
+
+    slidePage(context: BridgeContext, page: number, smooth = false) {
+        return this.nativeChannel(context, "slidePage")({ page, smooth })
+    }
+
+    getSlidedPage(context: BridgeContext) {
+        return this.nativeChannel(context, "getSlidedPage")() as Promise<number>
+    }
+}
\ No newline at end of file