Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | 1x 1x 1x 1x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 2x 2x 3x 3x 3x 3x 3x 3x 2x 2x 2x 2x 2x 9x 4x 4x 4x 3x 3x | import { Component } from 'obsidian';
import { ImplementsStatic } from 'src/classes/decorators/ImplementsStatic';
import { Register } from 'src/libs/DependencyInjection/decorators/Register';
import {
IDraggableElement,
IDraggableElement_,
} from './interfaces/IDraggableElement';
/**
* Draggable element class.
*/
@Register('IDraggableElement_')
@ImplementsStatic<IDraggableElement_>()
export class DraggableElement implements IDraggableElement {
private readonly _component: Component;
private readonly _draggableElement: HTMLElement;
private readonly _dragHandle: HTMLElement;
private _isDragging = false;
private _currentX = 0;
private _currentY = 0;
private _initialX = 0;
private _initialY = 0;
private _animationFrameId: number | null = null;
/**
* Creates a new instance of the draggable element.
* @param draggableElement The element that should be draggable.
* @param dragHandle The element that should be used as the drag handle.
* @param component The component that the draggable element belongs to.
*/
constructor(
draggableElement: HTMLElement,
dragHandle: HTMLElement,
component: Component,
) {
this._component = component;
this._draggableElement = draggableElement;
this._dragHandle = dragHandle;
}
/**
* @inheritdoc
*/
public enableDragging(): void {
this._dragHandle.style.cursor = 'grab';
this._component.registerDomEvent(
this._dragHandle,
'mousedown',
this.onMouseDown.bind(this),
);
this._component.registerDomEvent(
document,
'mousemove',
this.onMouseMove.bind(this),
);
this._component.registerDomEvent(
document,
'mouseup',
this.onMouseUp.bind(this),
);
}
/**
* Update the position of the draggable element.
*/
private updatePosition(): void {
this._draggableElement.style.transform = `translate(${this._currentX}px, ${this._currentY}px)`;
this._animationFrameId = null;
}
/**
* On mouse down event => start dragging.
* @param event The mouse event.
*/
private onMouseDown(event: MouseEvent): void {
if (event.target === this._dragHandle) {
this._isDragging = true;
this._initialX = event.clientX - this._currentX;
this._initialY = event.clientY - this._currentY;
this._dragHandle.style.cursor = 'grabbing'; // Change cursor to grabbing
}
}
/**
* On mouse move event => move the draggable element.
* @param event The mouse event.
*/
private onMouseMove(event: MouseEvent): void {
if (this._isDragging) {
event.preventDefault();
this._currentX = event.clientX - this._initialX;
this._currentY = event.clientY - this._initialY;
if (this._animationFrameId === null) {
this._animationFrameId = requestAnimationFrame(
this.updatePosition.bind(this),
);
}
}
}
/**
* On mouse up event => stop dragging.
*/
private onMouseUp(): void {
if (this._isDragging) {
this._isDragging = false;
this._dragHandle.style.cursor = 'grab'; // Change cursor back to default
if (this._animationFrameId !== null) {
cancelAnimationFrame(this._animationFrameId);
this._animationFrameId = null;
}
}
}
}
|