OpenHarmony应用开发-组件通用信息-通用属性

// xxx.ets
@Entry
@Component
struct HoverExample {
  @State isHoverVal: boolean = false

  build() {
    Column({ space: 5 }) {
      Column({ space: 5 }) {
        Text('Scale').fontSize(20).fontColor(Color.Gray).width('90%').position({ x: 0, y: 80 })
        Column()
          .width('80%').height(200).backgroundColor(Color.Gray)
          .position({ x: 40, y: 120 })
          .hoverEffect(HoverEffect.Scale)
          .onHover((isHover: boolean) => {
            console.info('Scale isHover: ' + isHover)
            this.isHoverVal = isHover
          })

        Text('Board').fontSize(20).fontColor(Color.Gray).width('90%').position({ x: 0, y: 380 })
        Column()
          .width('80%').height(200).backgroundColor(Color.Gray)
          .hoverEffect(HoverEffect.Highlight)
          .position({ x: 40, y: 420 })
          .onHover((isHover: boolean) => {
            console.info('Highlight isHover: ' +isHover )
            this.isHoverVal = isHover
          })
      }
      .hoverEffect(HoverEffect.None)
      .width('100%').height('100%').border({ width: 1 })
      .onHover((isHover: boolean) => {
        console.info('HoverEffect.None')
        this.isHoverVal

// xxx.ets
class Utils {
  static rect_left
  static rect_top
  static rect_right
  static rect_bottom
  static rect_value

  //获取组件所占矩形区域坐标
  static getComponentRect(key) {
    let strJson = getInspectorByKey(key)
    let obj = JSON.parse(strJson)
    console.info("[getInspectorByKey] current component obj is: " + JSON.stringify(obj))
    let rectInfo = JSON.parse('[' + obj.$rect + ']')
    console.info("[getInspectorByKey] rectInfo is: " + rectInfo)
    this.rect_left = JSON.parse('[' + rectInfo[0] + ']')[0]
    this.rect_top = JSON.parse('[' + rectInfo[0] + ']')[1]
    this.rect_right = JSON.parse('[' + rectInfo[1] + ']')[0]
    this.rect_bottom = JSON.parse('[' + rectInfo[1] + ']')[1]
    return this.rect_value = {
      "left": this.rect_left, "top": this.rect_top, "right": this.rect_right, "bottom": this.rect_bottom
    }
  }
}

@Entry
@Component
struct IdExample {
  @State text: string = ''

  build() {
    Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {

      Button() {
        Text('onKeyTab').fontSize(25).fontWeight(FontWeight.Bold)
      }.margin({ top: 20 }).backgroundColor('#0D9FFB')
      .onKeyEvent(() => {
        this.text = "onKeyTab"
      })

      Button() {
        Text('click to start').fontSize(25).fontWeight(FontWeight.Bold)
      }.margin({ top: 20 })
      .onClick(() => {
        console.info(getInspectorByKey("click"))
        console.info(JSON.stringify(getInspectorTree()))
        this.text = "Button 'click to start' is clicked"
        setTimeout(() => {
          sendEventByKey("longClick", 11, "") // 向id为"longClick"的组件发送长按事件
        }, 2000)
      }).id('click')

      Button() {
        Text('longClick').fontSize(25).fontWeight(FontWeight.Bold)
      }.margin({ top: 20 }).backgroundColor('#0D9FFB')
      .gesture(
      LongPressGesture().onActionEnd(() => {
        console.info('long clicked')
        this.text = "Button 'longClick' is longclicked"
        setTimeout(() => {
          let rect = Utils.getComponentRect('onTouch') // 获取id为"onTouch"组件的矩形区域坐标
          let touchPoint: TouchObject = {
            id: 1,
            x: rect.left + (rect.right - rect.left) / 2, // 组件中心点x坐标
            y: rect.top + (rect.bottom - rect.top) / 2, // 组件中心点y坐标
            type: TouchType.Down,
            screenX: rect.left + (rect.right - rect.left) / 2, // 组件中心点x坐标
            screenY: rect.left + (rect.right - rect.left) / 2, // 组件中心点y坐标
          }
          sendTouchEvent(touchPoint) // 发送触摸事件
          touchPoint.type = TouchType.Up
          sendTouchEvent(touchPoint) // 发送触摸事件
        }, 2000)
      })).id('longClick')

      Button() {
        Text('onTouch').fontSize(25).fontWeight(FontWeight.Bold)
      }.type(ButtonType.Capsule).margin({ top: 20 })
      .onClick(() => {
        console.info('onTouch is clicked')
        this.text = "Button 'onTouch' is clicked"
        setTimeout(() => {
          let rect = Utils.getComponentRect('onMouse') // 获取id为"onMouse"组件的矩形区域坐标
          let mouseEvent: MouseEvent = {
            button: MouseButton.Left,
            action: MouseAction.Press,
            x: rect.left + (rect.right - rect.left) / 2, // 组件中心点x坐标
            y: rect.top + (rect.bottom - rect.top) / 2, // 组件中心点y坐标
            screenX: rect.left + (rect.right - rect.left) / 2, // 组件中心点x坐标
            screenY: rect.top + (rect.bottom - rect.top) / 2, // 组件中心点y坐标
            timestamp: 1,
            target: {
              area: {
                width: 1,
                height: 1,
                position: {
                  x: 1,
                  y: 1
                },
                globalPosition: {
                  x: 1,
                  y: 1
                }
              }
            },
            source: SourceType.Mouse,
            pressure: 1,
            tiltX: 1,
            tiltY: 1,
            sourceTool: SourceTool.Unknown
          }
          sendMouseEvent(mouseEvent) // 发送鼠标事件
        }, 2000)
      }).id('onTouch')

      Button() {
        Text('onMouse').fontSize(25).fontWeight(FontWeight.Bold)
      }.margin({ top: 20 }).backgroundColor('#0D9FFB')
      .onMouse(() => {
        console.info('onMouse')
        this.text = "Button 'onMouse' in onMouse"
        setTimeout(() => {
          let keyEvent: KeyEvent = {
            type: KeyType.Down,
            keyCode: 2049,
            keyText: 'tab',
            keySource: 4,
            deviceId: 0,
            metaKey: 0,
            timestamp: 0
          }
          sendKeyEvent(keyEvent) // 发送按键事件
        }, 2000)
      }).id('onMouse')

      Text(this.text).fontSize(25).padding(15)
    }
    .width('100%').height('100%')
  }
}

// xxx.ets
@Entry
@Component
struct TouchTargetExample {
  @State text: string = ""

  build() {
    Column({ space: 20 }) {
      Text("{x:0,y:0,width:'50%',height:'100%'}")
      // 热区宽度为按钮的一半，点击右侧无响应
      Button("button1")
        .responseRegion({ x: 0, y: 0, width: '50%', height: '100%' })
        .onClick(() => {
          this.text = 'button1 clicked'
        })

      // 热区宽度为按钮的一半，且右移一个按钮宽度，点击button2右侧左边，点击事件生效
      Text("{x:'100%',y:0,width:'50%',height:'100%'}")
      Button("button2")
        .responseRegion({ x: '100%', y: 0, width: '50%', height: '100%' })
        .onClick(() => {
          this.text = 'button2 clicked'
        })
      // 热区大小为整个按钮，且下移一个按钮高度，点击button3下方按钮大小区域，点击事件生效
      Text("{x:0,y:'100%',width:'100%',height:'100%'}")
      Button("button3")
        .responseRegion({ x: 0, y: '100%', width: '100%', height: '100%' })
        .onClick(() => {
          this.text = 'button3 clicked'
        })

      Text(this.text).margin({ top: 50 })
    }.width('100%').margin({ top: 10 })
  }
}

// xxx.ets
@Entry
@Component
struct StyleExample {
  @State isEnable: boolean = true

  @Styles pressedStyles() {
        .backgroundColor("#ED6F21")
        .borderRadius(10)
        .borderStyle(BorderStyle.Dashed)
        .borderWidth(2)
        .borderColor("#33000000")
        .width(120)
        .height(30)
        .opacity(1)
  }

  @Styles disabledStyles() {
        .backgroundColor("#E5E5E5")
        .borderRadius(10)
        .borderStyle(BorderStyle.Solid)
        .borderWidth(2)
        .borderColor("#2a4c1919")
        .width(90)
        .height(25)
        .opacity(1)
  }

  @Styles normalStyles() {
        .backgroundColor("#0A59F7")
        .borderRadius(10)
        .borderStyle(BorderStyle.Solid)
        .borderWidth(2)
        .borderColor("#33000000")
        .width(100)
        .height(25)
        .opacity(1)
  }

  build() {
    Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center }) {
      Text("normal")
        .fontSize(14)
        .fontColor(Color.White)
        .opacity(0.5)
        .stateStyles({
          normal: this.normalStyles,
        })
        .margin({ bottom: 20 })
        .textAlign(TextAlign.Center)
      Text("pressed")
        .backgroundColor("#0A59F7")
        .borderRadius(20)
        .borderStyle(BorderStyle.Dotted)
        .borderWidth(2)
        .borderColor(Color.Red)
        .width(100)
        .height(25)
        .opacity(1)
        .fontSize(14)
        .fontColor(Color.White)
        .stateStyles({
          pressed: this.pressedStyles,
        })
        .margin({ bottom: 20 })
        .textAlign(TextAlign.Center)
      Text(this.isEnable == true ? "effective" : "disabled")
        .backgroundColor("#0A59F7")
        .borderRadius(20)
        .borderStyle(BorderStyle.Solid)
        .borderWidth(2)
        .borderColor(Color.Gray)
        .width(100)
        .height(25)
        .opacity(1)
        .fontSize(14)
        .fontColor(Color.White)
        .enabled(this.isEnable)
        .stateStyles({
          disabled: this.disabledStyles,
        })
        .textAlign(TextAlign.Center)
      Text("control disabled")
        .onClick(() => {
          this.isEnable = !this.isEnable
          console.log(`${this.isEnable}`)
        })
    }
    .width(350).height(300)
  }
}

// xxx.ets
@Entry
@Component
struct HitTestBehaviorExample {
  build() {
    // outer stack
    Stack() {
      Button('outer button')
        .onTouch((event) => {
          console.info('outer button touched type: ' + event.type)
        })
      // inner stack
      Stack() {
        Button('inner button')
          .onTouch((event) => {
            console.info('inner button touched type: ' + event.type)
          })
      }
      .width("100%").height("100%")
      .hitTestBehavior(HitTestMode.Block)
      .onTouch((event) => {
        console.info('stack touched type: ' + event.type)
      })

      Text('Transparent')
        .hitTestBehavior(HitTestMode.Transparent)
        .width("100%").height("100%")
        .onTouch((event) => {
          console.info('text touched type: ' + event.type)
        })
    }.width(300).height(300)
  }
}

// xxx.ets
@Entry
@Component
struct Index {
  build() {
    Column() {
      Row() {
        Text("Thin Material")
      }
      .width(350)
      .height(300)
      .backgroundBlurStyle(BlurStyle.Thin)
      .position({ x: "15%", y: "30%" })
    }
    .height('100%')
    .width('100%')
    .backgroundImage($r('app.media.bg'))
    .backgroundImageSize(ImageSize.Cover)
  }
}

// xxx.ets
@Entry
@Component
struct RestoreIdExample {
  private arr: number[] = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
  build() {
    Column() {
      List({ space: 20 }) {
        ForEach(this.arr, (item) => {
          ListItem() {
            Text('' + item)
              .width('100%')
              .height(100)
              .fontSize(16)
              .textAlign(TextAlign.Center)
              .borderRadius(10)
              .backgroundColor(Color.Pink)
          }
        }, item => item)
      }
      .restoreId(1)
    }
  }
}