Method foreignEntered

src/widget/reorderableList.ts:193–220

(actor: DraggableActor)

    }

    foreignEntered(actor: DraggableActor) {
        this.foreignActor = actor;
        const connectCancelId = actor._draggable.connect(
            'drag-cancelled',
            () => {
                if (this.placeHolder.get_parent() == this)
                    this.remove_child(this.placeHolder);
            }
        );
        const connectEndId = actor._draggable.connect('drag-end', () => {
            let placeholderIndex: number | undefined = undefined;
            const actor = this.foreignActor;
            assert(actor !== undefined, 'drag ended before it was started');

            if (this.placeHolder.get_parent()) {
                placeholderIndex = this.get_children().indexOf(
                    this.placeHolder
                );
                this.remove_child(this.placeHolder);
            }
            actor._draggable.disconnect(connectCancelId);
            actor._draggable.disconnect(connectEndId);
            delete this.foreignActor;
            if (placeholderIndex !== undefined) {
                this.emit('foreign-actor-inserted', actor, placeholderIndex);
            }
        });
    }
}

@registerGObjectClass