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blockly > IDragTarget > shouldPreventMove
IDragTarget.shouldPreventMove() method
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.
Signature:
shouldPreventMove(dragElement: IDraggable): boolean;
Parameters
| Parameter |
Type |
Description |
| dragElement |
IDraggable |
The block or bubble currently being dragged. |
Returns:
boolean
Whether the block or bubble provided should be returned to drag start.
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Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eshouldPreventMove\u003c/code\u003e method determines if a dragged block or bubble should be prevented from moving to a new location when dropped on this target.\u003c/p\u003e\n"],["\u003cp\u003eIt takes an \u003ccode\u003eIDraggable\u003c/code\u003e element (the block or bubble being dragged) as input and returns \u003ccode\u003etrue\u003c/code\u003e if the element should revert to its original position, otherwise \u003ccode\u003efalse\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThis method is part of the \u003ccode\u003eIDragTarget\u003c/code\u003e interface in Blockly, which defines components that can interact with dragged elements.\u003c/p\u003e\n"]]],["The `shouldPreventMove()` method determines if a dragged block or bubble should be prevented from moving after being dropped. It accepts an `IDraggable` element (block or bubble) as input. The method returns a boolean value. `True` indicates that the dragged element should return to its original position; `false` means the element's movement is allowed. This method is part of the `IDragTarget` interface.\n"],null,["[blockly](./blockly.md) \\\u003e [IDragTarget](./blockly.idragtarget_interface.md) \\\u003e [shouldPreventMove](./blockly.idragtarget_interface.shouldpreventmove_1_methodsignature.md)\n\nIDragTarget.shouldPreventMove() method\n--------------------------------------\n\nReturns 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.\n\n**Signature:** \n\n shouldPreventMove(dragElement: IDraggable): boolean;\n\nParameters\n----------\n\n| Parameter | Type | Description |\n|-------------|-------------------------------------------------|----------------------------------------------|\n| dragElement | [IDraggable](./blockly.idraggable_interface.md) | The block or bubble currently being dragged. |\n\n**Returns:**\n\nboolean\n\nWhether the block or bubble provided should be returned to drag start."]]
