chore: rename all JS files to TS files (#6297)

2026-01-08 17:40:09 +01:00 · 2022-08-01 20:09:51 +00:00
parent d86cec9145
commit 27d6760ec6
257 changed files with 0 additions and 0 deletions
--- a/core/drag_target.ts
+++ b/core/drag_target.ts
@@ -0,0 +1,111 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview The abstract class for a component with custom behaviour when a
+ * block or bubble is dragged over or dropped on top of it.
+ */
+
+'use strict';
+
+/**
+ * The abstract class for a component with custom behaviour when a
+ * block or bubble is dragged over or dropped on top of it.
+ * @class
+ */
+goog.module('Blockly.DragTarget');
+
+/* eslint-disable-next-line no-unused-vars */
+const {IDragTarget} = goog.require('Blockly.IDragTarget');
+/* eslint-disable-next-line no-unused-vars */
+const {IDraggable} = goog.requireType('Blockly.IDraggable');
+/* eslint-disable-next-line no-unused-vars */
+const {Rect} = goog.requireType('Blockly.utils.Rect');
+
+
+/**
+ * Abstract class for a component with custom behaviour when a block or bubble
+ * is dragged over or dropped on top of it.
+ * @implements {IDragTarget}
+ * @alias Blockly.DragTarget
+ */
+class DragTarget {
+  /**
+   * Constructor for DragTarget. It exists to add the id property and should not
+   * be called directly, only by a subclass.
+   */
+  constructor() {
+    /**
+     * The unique id for this component that is used to register with the
+     * ComponentManager.
+     * @type {string}
+     */
+    this.id;
+  }
+
+  /**
+   * Handles when a cursor with a block or bubble enters this drag target.
+   * @param {!IDraggable} _dragElement The block or bubble currently being
+   *   dragged.
+   */
+  onDragEnter(_dragElement) {
+    // no-op
+  }
+
+  /**
+   * Handles when a cursor with a block or bubble is dragged over this drag
+   * target.
+   * @param {!IDraggable} _dragElement The block or bubble currently being
+   *   dragged.
+   */
+  onDragOver(_dragElement) {
+    // no-op
+  }
+
+  /**
+   * Handles when a cursor with a block or bubble exits this drag target.
+   * @param {!IDraggable} _dragElement The block or bubble currently being
+   *   dragged.
+   */
+  onDragExit(_dragElement) {
+    // no-op
+  }
+
+  /**
+   * Handles when a block or bubble is dropped on this component.
+   * Should not handle delete here.
+   * @param {!IDraggable} _dragElement The block or bubble currently being
+   *   dragged.
+   */
+  onDrop(_dragElement) {
+    // no-op
+  }
+
+  /**
+   * Returns the bounding rectangle of the drag target area in pixel units
+   * relative to the Blockly injection div.
+   * @return {?Rect} The component's bounding box. Null if drag
+   *   target area should be ignored.
+   */
+  getClientRect() {
+    return null;
+  }
+
+  /**
+   * Returns whether the provided block or bubble should not be moved after
+   * being dropped on this component. If true, the element will return to where
+   * it was when the drag started.
+   * @param {!IDraggable} _dragElement The block or bubble currently being
+   *   dragged.
+   * @return {boolean} Whether the block or bubble provided should be returned
+   *     to drag start.
+   */
+  shouldPreventMove(_dragElement) {
+    return false;
+  }
+}
+
+exports.DragTarget = DragTarget;