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a17cb7f12e
* introduce IDraggable interface * Add parameter to drag methods in IDragTarget * combines bubble/drag methods on IDragTarget and IDeleteArea to take an IDraggable element
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
/**
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* @license
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* Copyright 2021 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview The interface for a component that can delete a block or bubble
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* that is dropped on top of it.
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* @author kozbial@google.com (Monica Kozbial)
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*/
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'use strict';
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goog.provide('Blockly.IDeleteArea');
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goog.require('Blockly.IDragTarget');
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goog.requireType('Blockly.IDraggable');
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/**
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* Interface for a component that can delete a block or bubble that is dropped
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* on top of it.
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* @extends {Blockly.IDragTarget}
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* @interface
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*/
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Blockly.IDeleteArea = function() {};
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/**
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* Returns whether the provided block or bubble would be deleted if dropped on
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* this area.
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* This method should check if the element is deletable and is always called
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* before onDragEnter/onDragOver/onDragExit.
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* @param {!Blockly.IDraggable} element The block or bubble currently being
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* dragged.
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* @param {boolean} couldConnect Whether the element could could connect to
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* another.
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* @return {boolean} Whether the element provided would be deleted if dropped on
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* this area.
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*/
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Blockly.IDeleteArea.prototype.wouldDelete;
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