rc-dock
Version:
dock layout for react component
329 lines (328 loc) • 12.6 kB
JavaScript
"use strict";
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const react_1 = __importDefault(require("react"));
const DragManager = __importStar(require("./DragManager"));
const GestureManager_1 = require("./GestureManager");
class DragDropDiv extends react_1.default.PureComponent {
constructor() {
super(...arguments);
this._getRef = (r) => {
if (r === this.element) {
return;
}
let { getRef, onDragOverT } = this.props;
if (this.element && onDragOverT) {
DragManager.removeHandlers(this.element);
}
this.element = r;
if (r) {
this.ownerDocument = r.ownerDocument;
}
if (getRef) {
getRef(r);
}
if (r && onDragOverT) {
DragManager.addHandlers(r, this.props);
}
};
this.dragType = null;
this.waitingMove = false;
this.listening = false;
this.gesturing = false;
this.onPointerDown = (e) => {
let nativeTarget = e.nativeEvent.target;
if (nativeTarget instanceof HTMLInputElement || nativeTarget instanceof HTMLTextAreaElement || nativeTarget.classList.contains('drag-ignore')) {
// ignore drag from input element
return;
}
let { onDragStartT, onGestureStartT, onGestureMoveT, useRightButtonDragT } = this.props;
let event = e.nativeEvent;
this.cancel();
if (event.type === 'touchstart') {
// check single or double fingure touch
if (event.touches.length === 1) {
if (onDragStartT) {
this.onDragStart(event);
}
}
else if (event.touches.length === 2) {
if (onGestureStartT && onGestureMoveT) {
this.onGestureStart(event);
}
}
}
else if (onDragStartT) {
if (event.button === 2 && !useRightButtonDragT) {
return;
}
this.onDragStart(event);
}
};
this.onMouseMove = (e) => {
let { onDragMoveT } = this.props;
if (this.waitingMove) {
if (!this.checkFirstMove(e)) {
return;
}
}
else {
let state = new DragManager.DragState(e, this);
state._onMove();
if (onDragMoveT) {
onDragMoveT(state);
}
}
e.preventDefault();
};
this.onTouchMove = (e) => {
let { onDragMoveT } = this.props;
if (this.waitingMove) {
if (!this.checkFirstMove(e)) {
return;
}
}
else if (e.touches.length !== 1) {
this.onDragEnd();
}
else {
let state = new DragManager.DragState(e, this);
state._onMove();
if (onDragMoveT) {
onDragMoveT(state);
}
}
e.preventDefault();
};
this.onDragEnd = (e) => {
let { onDragEndT } = this.props;
let state = new DragManager.DragState(e, this);
this.removeListeners();
if (!this.waitingMove) {
if (e) {
// e=null means drag is canceled
state._onDragEnd();
}
if (onDragEndT) {
onDragEndT(state);
}
}
this.cleanupDrag(state);
};
this.onGestureMove = (e) => {
let { onGestureMoveT, gestureSensitivity } = this.props;
let state = new GestureManager_1.GestureState(e, this);
if (this.waitingMove) {
if (!(gestureSensitivity > 0)) {
gestureSensitivity = 10; // default sensitivity
}
if (state.moved() > gestureSensitivity) {
this.waitingMove = false;
}
else {
return;
}
}
if (onGestureMoveT) {
onGestureMoveT(state);
}
};
this.onGestureEnd = (e) => {
let { onGestureEndT } = this.props;
let state = new DragManager.DragState(e, this);
this.removeListeners();
if (onGestureEndT) {
onGestureEndT();
}
};
this.onKeyDown = (e) => {
if (e.key === 'Escape') {
this.cancel();
}
};
}
onDragStart(event) {
if (!DragManager.checkPointerDownEvent(event)) {
// same pointer event shouldn't trigger 2 drag start
return;
}
let state = new DragManager.DragState(event, this, true);
this.baseX = state.pageX;
this.baseY = state.pageY;
let baseElement = this.element.parentElement;
let rect = baseElement.getBoundingClientRect();
this.scaleX = baseElement.offsetWidth / Math.round(rect.width);
this.scaleY = baseElement.offsetHeight / Math.round(rect.height);
this.addDragListeners(event);
if (this.props.directDragT) {
this.executeFirstMove(state);
}
}
addDragListeners(event) {
let { onDragStartT } = this.props;
if (event.type === 'touchstart') {
this.ownerDocument.addEventListener('touchmove', this.onTouchMove);
this.ownerDocument.addEventListener('touchend', this.onDragEnd);
this.dragType = 'touch';
}
else {
this.ownerDocument.addEventListener('mousemove', this.onMouseMove);
this.ownerDocument.addEventListener('mouseup', this.onDragEnd);
if (event.button === 2) {
this.dragType = 'right';
}
else {
this.dragType = 'left';
}
}
this.ownerDocument.body.classList.add('dock-dragging');
this.waitingMove = true;
this.listening = true;
}
// return true for a valid move
checkFirstMove(e) {
let state = new DragManager.DragState(e, this, true);
if (!state.moved()) {
// not a move
return false;
}
return this.executeFirstMove(state);
}
executeFirstMove(state) {
let { onDragStartT } = this.props;
this.waitingMove = false;
onDragStartT(state);
if (!DragManager.isDragging()) {
this.onDragEnd();
return false;
}
state._onMove();
this.ownerDocument.addEventListener('keydown', this.onKeyDown);
return true;
}
addGestureListeners(event) {
this.ownerDocument.addEventListener('touchmove', this.onGestureMove);
this.ownerDocument.addEventListener('touchend', this.onGestureEnd);
this.ownerDocument.addEventListener('keydown', this.onKeyDown);
this.ownerDocument.body.classList.add('dock-dragging');
this.gesturing = true;
this.waitingMove = true;
}
onGestureStart(event) {
if (!DragManager.checkPointerDownEvent(event)) {
// same pointer event shouldn't trigger 2 drag start
return;
}
let { onGestureStartT } = this.props;
this.baseX = event.touches[0].pageX;
this.baseY = event.touches[0].pageY;
this.baseX2 = event.touches[1].pageX;
this.baseY2 = event.touches[1].pageY;
let baseElement = this.element.parentElement;
let rect = baseElement.getBoundingClientRect();
this.scaleX = baseElement.offsetWidth / Math.round(rect.width);
this.scaleY = baseElement.offsetHeight / Math.round(rect.height);
this.baseDis = Math.sqrt(Math.pow(this.baseX - this.baseX2, 2) + Math.pow(this.baseY - this.baseY2, 2));
this.baseAng = Math.atan2(this.baseY2 - this.baseY, this.baseX2 - this.baseX);
let state = new GestureManager_1.GestureState(event, this, true);
if (onGestureStartT(state)) {
this.addGestureListeners(event);
event.preventDefault();
}
}
cancel() {
if (this.listening) {
this.onDragEnd();
}
if (this.gesturing) {
this.onGestureEnd();
}
}
removeListeners() {
if (this.gesturing) {
this.ownerDocument.removeEventListener('touchmove', this.onGestureMove);
this.ownerDocument.removeEventListener('touchend', this.onGestureEnd);
}
else if (this.listening) {
if (this.dragType === 'touch') {
this.ownerDocument.removeEventListener('touchmove', this.onTouchMove);
this.ownerDocument.removeEventListener('touchend', this.onDragEnd);
}
else {
this.ownerDocument.removeEventListener('mousemove', this.onMouseMove);
this.ownerDocument.removeEventListener('mouseup', this.onDragEnd);
}
}
this.ownerDocument.body.classList.remove('dock-dragging');
this.ownerDocument.removeEventListener('keydown', this.onKeyDown);
this.listening = false;
this.gesturing = false;
}
cleanupDrag(state) {
this.dragType = null;
this.waitingMove = false;
DragManager.destroyDraggingElement(state);
}
render() {
let _a = this.props, { getRef, children, className, directDragT, onDragStartT, onDragMoveT, onDragEndT, onDragOverT, onDragLeaveT, onDropT, onGestureStartT, onGestureMoveT, onGestureEndT, useRightButtonDragT } = _a, others = __rest(_a, ["getRef", "children", "className", "directDragT", "onDragStartT", "onDragMoveT", "onDragEndT", "onDragOverT", "onDragLeaveT", "onDropT", "onGestureStartT", "onGestureMoveT", "onGestureEndT", "useRightButtonDragT"]);
let onTouchDown = this.onPointerDown;
let onMouseDown = this.onPointerDown;
if (!onDragStartT) {
onMouseDown = null;
if (!onGestureStartT) {
onTouchDown = null;
}
}
if (onDragStartT || onGestureStartT) {
if (className) {
className = `${className} drag-initiator`;
}
else {
className = 'drag-initiator';
}
}
return (react_1.default.createElement("div", Object.assign({ ref: this._getRef, className: className }, others, { onMouseDown: onMouseDown, onTouchStart: onTouchDown }), children));
}
componentDidUpdate(prevProps) {
let { onDragOverT, onDragEndT, onDragLeaveT } = this.props;
if (this.element
&& (prevProps.onDragOverT !== onDragOverT
|| prevProps.onDragLeaveT !== onDragLeaveT
|| prevProps.onDragEndT !== onDragEndT)) {
if (onDragOverT) {
DragManager.addHandlers(this.element, this.props);
}
else {
DragManager.removeHandlers(this.element);
}
}
}
componentWillUnmount() {
let { onDragOverT } = this.props;
if (this.element && onDragOverT) {
DragManager.removeHandlers(this.element);
}
this.cancel();
}
}
exports.DragDropDiv = DragDropDiv;