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docs: add JSDoc comments to DragDropService

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Chneemann 2024-11-14 04:40:45 +01:00
parent a16cf8f374
commit 8557a2f7f0
1 changed files with 31 additions and 0 deletions
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31
src/app/services/drag-drop.service.ts
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@ -10,6 +10,17 @@ export class DragDropService {
constructor() {}
/**
* This function is called when a drag event starts.
*
* It sets the `id` of the item being dragged to the `dataTransfer` object
* and emits an event indicating that the item has been moved from a certain
* status.
*
* @param event The drag event.
* @param id The id of the item being dragged.
* @param status The status of the item being dragged.
*/
startDragging(event: DragEvent, id: string | undefined, status: string) {
if (id !== undefined) {
event.dataTransfer?.setData('text/plain', id);
@ -17,6 +28,16 @@ export class DragDropService {
}
}
/**
* Allows a drop event to occur by preventing the default handling of the event.
*
* This function is called during the dragover event to indicate that the dragged
* item can be dropped in the current target. It prevents the default behavior and
* emits an event indicating that the item is being moved to a specified status.
*
* @param event The drag event.
* @param status The status to which the item is being moved.
*/
allowDrop(event: DragEvent, status: string) {
event.preventDefault();
const dataTransfer = event.dataTransfer;
@ -25,6 +46,16 @@ export class DragDropService {
}
}
/**
* This function is called when the user drops an item that was being dragged.
*
* It prevents the default behavior of the drop event and emits an event
* indicating that the item has been dropped. It also emits an event indicating
* that the item has been moved to a certain status.
*
* @param event The drag event.
* @param status The status to which the item is being moved.
*/
drop(event: DragEvent, status: string) {
event.preventDefault();
const dataTransfer = event.dataTransfer;