javascript - Angular 4 中的 Interactjs 可调整大小功能(ts 文件)

Question

我在 Angular 4 中使用交互。

我的可拖动功能完美运行。

在我的可调整大小方法中，事件不能为我提供除 currentTarget 和 target 之外的任何对象属性。

在 http://interactjs.io/#resizing 的示例中:

var target = event.target,

x = (parseFloat(target.getAttribute('data-x')) || 0),
y = (parseFloat(target.getAttribute('data-y')) || 0);

// update the element's style
target.style.width  = event.rect.width + 'px';
target.style.height = event.rect.height + 'px';

// translate when resizing from top or left edges
x += event.deltaRect.left;
y += event.deltaRect.top;

event.rect 和 event.deltaRect 无法到达。它表示 Property event.rect 和 event.deltaRect 不是 InteractEvent 的类型。

问题为什么会这样？

---

整个代码是:

let msgFrontX,
  msgFrontY,
  imgFrontX,
  imgFrontY,
  msgBackX,
  msgBackY,
  imgBackX,
  imgBackY;
interact('.resize-drag')
  .draggable({
    // enable inertial throwing
    inertia: true,
    // keep the element within the area of it's parent
    restrict: {
      restriction: "parent",
      endOnly: true,
      elementRect: {
        top: 0,
        left: 0,
        bottom: 1,
        right: 1
      }
    },
    // enable autoScroll
    autoScroll: true,
    onstart: function (event) {},
    // call this function on every dragmove event
    onmove: dragMoveListener,
    // call this function on every dragend event
    onend: function (event) {
      const parentContainer = event.currentTarget.offsetParent;
      const elem = event.currentTarget;

      function percentageCalc(direction) {
        if (direction === 'horizontal') {
          return event.clientX0 / event.clientX 100;
        } else {
          return event.clientY0 / event.clientY 100;
        }
      }
      if (parentContainer.classList.contains('front')) {
        if (elem.classList.contains('msg-container')) {
          msgFrontX = percentageCalc('horizontal');
          msgFrontY = percentageCalc('vertical');
        } else {
          imgFrontX = percentageCalc('horizontal');
          imgFrontY = percentageCalc('vertical');
        }
      } else {
        if (elem.classList.contains('msg-container')) {
          msgBackX = percentageCalc('horizontal');
          msgBackY = percentageCalc('vertical');
        } else {
          imgBackX = percentageCalc('horizontal');
          imgBackY = percentageCalc('vertical');
        }
      }
      that.setPositions(msgFrontX, msgFrontY, imgFrontX, imgFrontY,
        msgBackX, msgBackY, imgBackX, imgBackY);
    }
  }).resizable({
    edges: {
      left: true,
      right: true,
      bottom: true,
      top: true
    },
    restrict: {
      restriction: "parent",
      endOnly: true,
      elementRect: {
        top: 0,
        left: 0,
        bottom: 1,
        right: 1
      }
    }
  }).on('resizeend', function (event) {
    console.log(event.resizeRects);
    var target = event.target,
      x = (parseFloat(target.getAttribute('data-x')) || 0),
      y = (parseFloat(target.getAttribute('data-y')) || 0);

    // update the element's style
    target.style.width = event.rect.width + 'px';
    target.style.height = event.rect.height + 'px';

    // translate when resizing from top or left edges
    x += event.deltaRect.left;
    y += event.deltaRect.top;

    target.style.webkitTransform = target.style.transform =
      'translate(' + x + 'px,' + y + 'px)';

    target.setAttribute('data-x', x);
    target.setAttribute('data-y', y);

  });

function dragMoveListener(event) {
  const target = event.target,
    // keep the dragged position in the data-x/data-y attributes
    x = (parseFloat(target.getAttribute('data-x')) || 0) + event.dx,
    y = (parseFloat(target.getAttribute('data-y')) || 0) + event.dy;
  // translate the element
  target.style.webkitTransform =
    target.style.transform =
    'translate(' + x + 'px, ' + y + 'px)';
  // update the position attributes
  target.setAttribute('data-x', x);
  target.setAttribute('data-y', y);
}

控制台错误

ERROR in C:/Users/usuario/Documents/sitios/tshirtCustom/src/app/customizer/customizer.component.ts (325,34): Property 'rect' does not exist on type 'InteractEvent'.
ERROR in C:/Users/usuario/Documents/sitios/tshirtCustom/src/app/customizer/customizer.component.ts (326,35): Property 'rect' does not exist on type 'InteractEvent'.
ERROR in C:/Users/usuario/Documents/sitios/tshirtCustom/src/app/customizer/customizer.component.ts (329,18): Property 'deltaRect' does not exist on type 'InteractEvent'.
ERROR in C:/Users/usuario/Documents/sitios/tshirtCustom/src/app/customizer/customizer.component.ts (330,18): Property 'deltaRect' does not exist on type 'InteractEvent'.

Answer 1

InteractEvent接口(interface)没有rect和deltaRect。您可以在 ..\node_modules\interactjs\index.d.ts 中查看

这可能是因为生产版本和示例代码不同。

但有一个变通办法。

.on('resizeend', function (ev) {
   const event = <any> ev;
   console.log(event.resizeRects);
   var target = event.target,
   x = (parseFloat(target.getAttribute('data-x')) || 0),
   y = (parseFloat(target.getAttribute('data-y')) || 0);

   //......
}