feat:add Input

src/util/color.ts

@@ -63,6 +63,7 @@ export class Color implements Modeling {
     }
 
     alpha(v: number) {
+        v = v * 255
         return new Color((this._value & 0xffffff) | ((v & 0xff) << 24))
     }
 

src/widget/index.widget.ts

@@ -20,4 +20,5 @@ export * from './list'
 export * from './slider'
 export * from './scroller'
 export * from './refreshable'
-export * from './flowlayout'
+export * from './flowlayout'
+export * from './input'

src/widget/input.ts

@@ -0,0 +1,80 @@
+/*
+ * 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 } from "../ui/view";
+import { Color } from "../util/color";
+import { Gravity } from "../util/gravity";
+import { BridgeContext } from "../runtime/global";
+
+export interface IInput extends IView {
+    text?: string
+    textColor?: Color
+    textSize?: number
+    hintText?: string
+    hintTextColor?: Color
+    multilines?: boolean
+    textAlignment?: Gravity
+    onTextChange?: (text: string) => void
+    onFocusChange?: (focused: boolean) => void
+}
+
+export class Input extends View implements IInput {
+
+    @Property
+    text?: string
+
+    @Property
+    textColor?: Color
+
+    @Property
+    textSize?: number
+
+    @Property
+    hintText?: string
+
+    @Property
+    hintTextColor?: Color
+
+    @Property
+    multiline?: boolean
+
+    @Property
+    textAlignment?: Gravity
+
+    @Property
+    onTextChange?: (text: string) => void
+
+    @Property
+    onFocusChange?: (focused: boolean) => void
+
+    getText(context: BridgeContext) {
+        return this.nativeChannel(context, 'getText')() as Promise<string>
+    }
+
+    setSelection(context: BridgeContext, start: number, end: number = start) {
+        return this.nativeChannel(context, 'setSelection')({
+            start,
+            end,
+        }) as Promise<string>
+    }
+
+    requestFocus(context: BridgeContext) {
+        return this.nativeChannel(context, 'requestFocus')()
+    }
+
+    releaseFocus(context: BridgeContext) {
+        return this.nativeChannel(context, 'releaseFocus')()
+    }
+}