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blockly >DeleteArea
DeleteArea 类
组件的抽象类,可以删除放在其上的块或气泡。
Signature:
export declare class DeleteArea extends DragTarget implements IDeleteArea
扩展: DragTarget
实现:IDeleteArea
构造函数
构造函数 |
修饰符 |
说明 |
(构造函数)() |
|
DeleteArea 的构造函数。不应直接调用,只能由子类调用。 |
属性
属性 |
修饰符 |
类型 |
说明 |
id |
|
字符串 |
该组件的唯一 ID,用于向 ComponentManager 注册。 |
wouldDelete_ |
protected |
布尔值 |
如果将鼠标放在此组件上,是否将拖动至此删除区域上的最后一个块或气泡删除。删除块或气泡后,此属性不会更新。 |
方法
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最后更新时间 (UTC):2024-08-22。
[null,null,["最后更新时间 (UTC):2024-08-22。"],[[["The `DeleteArea` class in Blockly manages the deletion of blocks or bubbles dropped onto it."],["It's an abstract class extending `DragTarget` and implementing `IDeleteArea`, meant to be subclassed."],["It uses a `wouldDelete_` property to track if a dragged element would be deleted upon release."],["The `wouldDelete` method determines if a given element is deletable when dragged over the area."],["It provides `updateWouldDelete_` to manage the internal deletion state."]]],["The `DeleteArea` class, extending `DragTarget` and implementing `IDeleteArea`, manages the deletion of blocks or bubbles. It features a constructor and properties like `id` and `wouldDelete_`, the later tracking whether a dragged element would be deleted if dropped. Key methods include `updateWouldDelete_`, which manages the `wouldDelete_` state, and `wouldDelete`, determining if a dragged element is deletable. This class does not allow being directly instantiated, only used through subclasses.\n"]]