329 lines
12 KiB
JavaScript
329 lines
12 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var React = require('react');
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var utils = require('primereact/utils');
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function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
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var React__default = /*#__PURE__*/_interopDefaultLegacy(React);
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function _classCallCheck(instance, Constructor) {
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if (!(instance instanceof Constructor)) {
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throw new TypeError("Cannot call a class as a function");
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}
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}
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function _defineProperties(target, props) {
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for (var i = 0; i < props.length; i++) {
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var descriptor = props[i];
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descriptor.enumerable = descriptor.enumerable || false;
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descriptor.configurable = true;
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if ("value" in descriptor) descriptor.writable = true;
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Object.defineProperty(target, descriptor.key, descriptor);
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}
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}
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function _createClass(Constructor, protoProps, staticProps) {
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if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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if (staticProps) _defineProperties(Constructor, staticProps);
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Object.defineProperty(Constructor, "prototype", {
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writable: false
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});
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return Constructor;
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}
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function _assertThisInitialized(self) {
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if (self === void 0) {
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throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
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}
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return self;
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}
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function _setPrototypeOf(o, p) {
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_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
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o.__proto__ = p;
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return o;
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};
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return _setPrototypeOf(o, p);
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}
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function _inherits(subClass, superClass) {
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if (typeof superClass !== "function" && superClass !== null) {
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throw new TypeError("Super expression must either be null or a function");
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}
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subClass.prototype = Object.create(superClass && superClass.prototype, {
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constructor: {
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value: subClass,
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writable: true,
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configurable: true
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}
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});
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Object.defineProperty(subClass, "prototype", {
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writable: false
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});
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if (superClass) _setPrototypeOf(subClass, superClass);
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}
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function _typeof(obj) {
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"@babel/helpers - typeof";
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return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
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return typeof obj;
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} : function (obj) {
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return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
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}, _typeof(obj);
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}
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function _possibleConstructorReturn(self, call) {
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if (call && (_typeof(call) === "object" || typeof call === "function")) {
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return call;
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} else if (call !== void 0) {
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throw new TypeError("Derived constructors may only return object or undefined");
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}
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return _assertThisInitialized(self);
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}
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function _getPrototypeOf(o) {
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_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
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return o.__proto__ || Object.getPrototypeOf(o);
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};
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return _getPrototypeOf(o);
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}
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function _defineProperty(obj, key, value) {
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if (key in obj) {
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Object.defineProperty(obj, key, {
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value: value,
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enumerable: true,
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configurable: true,
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writable: true
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});
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} else {
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obj[key] = value;
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}
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return obj;
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}
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function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
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function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
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var ScrollPanel = /*#__PURE__*/function (_Component) {
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_inherits(ScrollPanel, _Component);
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var _super = _createSuper(ScrollPanel);
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function ScrollPanel(props) {
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var _this;
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_classCallCheck(this, ScrollPanel);
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_this = _super.call(this, props);
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_this.moveBar = _this.moveBar.bind(_assertThisInitialized(_this));
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_this.onXBarMouseDown = _this.onXBarMouseDown.bind(_assertThisInitialized(_this));
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_this.onYBarMouseDown = _this.onYBarMouseDown.bind(_assertThisInitialized(_this));
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_this.onDocumentMouseMove = _this.onDocumentMouseMove.bind(_assertThisInitialized(_this));
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_this.onDocumentMouseUp = _this.onDocumentMouseUp.bind(_assertThisInitialized(_this));
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return _this;
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}
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_createClass(ScrollPanel, [{
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key: "calculateContainerHeight",
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value: function calculateContainerHeight() {
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var containerStyles = getComputedStyle(this.container),
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xBarStyles = getComputedStyle(this.xBar),
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pureContainerHeight = utils.DomHandler.getHeight(this.container) - parseInt(xBarStyles['height'], 10);
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if (containerStyles['max-height'] !== "none" && pureContainerHeight === 0) {
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if (this.content.offsetHeight + parseInt(xBarStyles['height'], 10) > parseInt(containerStyles['max-height'], 10)) {
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this.container.style.height = containerStyles['max-height'];
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} else {
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this.container.style.height = this.content.offsetHeight + parseFloat(containerStyles.paddingTop) + parseFloat(containerStyles.paddingBottom) + parseFloat(containerStyles.borderTopWidth) + parseFloat(containerStyles.borderBottomWidth) + "px";
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}
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}
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}
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}, {
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key: "moveBar",
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value: function moveBar() {
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var _this2 = this;
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/* horizontal scroll */
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var totalWidth = this.content.scrollWidth;
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var ownWidth = this.content.clientWidth;
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var bottom = (this.container.clientHeight - this.xBar.clientHeight) * -1;
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this.scrollXRatio = ownWidth / totalWidth;
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/* vertical scroll */
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var totalHeight = this.content.scrollHeight;
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var ownHeight = this.content.clientHeight;
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var right = (this.container.clientWidth - this.yBar.clientWidth) * -1;
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this.scrollYRatio = ownHeight / totalHeight;
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this.frame = this.requestAnimationFrame(function () {
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if (_this2.scrollXRatio >= 1) {
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utils.DomHandler.addClass(_this2.xBar, 'p-scrollpanel-hidden');
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} else {
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utils.DomHandler.removeClass(_this2.xBar, 'p-scrollpanel-hidden');
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_this2.xBar.style.cssText = 'width:' + Math.max(_this2.scrollXRatio * 100, 10) + '%; left:' + _this2.content.scrollLeft / totalWidth * 100 + '%;bottom:' + bottom + 'px;';
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}
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if (_this2.scrollYRatio >= 1) {
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utils.DomHandler.addClass(_this2.yBar, 'p-scrollpanel-hidden');
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} else {
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utils.DomHandler.removeClass(_this2.yBar, 'p-scrollpanel-hidden');
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_this2.yBar.style.cssText = 'height:' + Math.max(_this2.scrollYRatio * 100, 10) + '%; top: calc(' + _this2.content.scrollTop / totalHeight * 100 + '% - ' + _this2.xBar.clientHeight + 'px);right:' + right + 'px;';
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}
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});
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}
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}, {
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key: "onYBarMouseDown",
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value: function onYBarMouseDown(e) {
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this.isYBarClicked = true;
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this.lastPageY = e.pageY;
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utils.DomHandler.addClass(this.yBar, 'p-scrollpanel-grabbed');
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utils.DomHandler.addClass(document.body, 'p-scrollpanel-grabbed');
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document.addEventListener('mousemove', this.onDocumentMouseMove);
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document.addEventListener('mouseup', this.onDocumentMouseUp);
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e.preventDefault();
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}
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}, {
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key: "onXBarMouseDown",
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value: function onXBarMouseDown(e) {
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this.isXBarClicked = true;
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this.lastPageX = e.pageX;
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utils.DomHandler.addClass(this.xBar, 'p-scrollpanel-grabbed');
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utils.DomHandler.addClass(document.body, 'p-scrollpanel-grabbed');
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document.addEventListener('mousemove', this.onDocumentMouseMove);
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document.addEventListener('mouseup', this.onDocumentMouseUp);
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e.preventDefault();
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}
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}, {
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key: "onDocumentMouseMove",
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value: function onDocumentMouseMove(e) {
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if (this.isXBarClicked) {
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this.onMouseMoveForXBar(e);
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} else if (this.isYBarClicked) {
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this.onMouseMoveForYBar(e);
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} else {
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this.onMouseMoveForXBar(e);
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this.onMouseMoveForYBar(e);
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}
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}
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}, {
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key: "onMouseMoveForXBar",
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value: function onMouseMoveForXBar(e) {
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var _this3 = this;
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var deltaX = e.pageX - this.lastPageX;
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this.lastPageX = e.pageX;
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this.frame = this.requestAnimationFrame(function () {
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_this3.content.scrollLeft += deltaX / _this3.scrollXRatio;
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});
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}
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}, {
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key: "onMouseMoveForYBar",
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value: function onMouseMoveForYBar(e) {
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var _this4 = this;
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var deltaY = e.pageY - this.lastPageY;
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this.lastPageY = e.pageY;
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this.frame = this.requestAnimationFrame(function () {
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_this4.content.scrollTop += deltaY / _this4.scrollYRatio;
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});
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}
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}, {
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key: "onDocumentMouseUp",
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value: function onDocumentMouseUp(e) {
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utils.DomHandler.removeClass(this.yBar, 'p-scrollpanel-grabbed');
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utils.DomHandler.removeClass(this.xBar, 'p-scrollpanel-grabbed');
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utils.DomHandler.removeClass(document.body, 'p-scrollpanel-grabbed');
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document.removeEventListener('mousemove', this.onDocumentMouseMove);
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document.removeEventListener('mouseup', this.onDocumentMouseUp);
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this.isXBarClicked = false;
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this.isYBarClicked = false;
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}
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}, {
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key: "requestAnimationFrame",
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value: function requestAnimationFrame(f) {
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var frame = window.requestAnimationFrame || this.timeoutFrame;
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return frame(f);
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}
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}, {
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key: "refresh",
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value: function refresh() {
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this.moveBar();
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}
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}, {
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key: "componentDidMount",
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value: function componentDidMount() {
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this.moveBar();
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this.moveBar = this.moveBar.bind(this);
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window.addEventListener('resize', this.moveBar);
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this.calculateContainerHeight();
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this.initialized = true;
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}
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}, {
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key: "componentWillUnmount",
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value: function componentWillUnmount() {
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if (this.initialized) {
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window.removeEventListener('resize', this.moveBar);
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}
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if (this.frame) {
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window.cancelAnimationFrame(this.frame);
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}
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}
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}, {
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key: "render",
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value: function render() {
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var _this5 = this;
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var className = utils.classNames('p-scrollpanel p-component', this.props.className);
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return /*#__PURE__*/React__default["default"].createElement("div", {
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ref: function ref(el) {
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return _this5.container = el;
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},
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id: this.props.id,
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className: className,
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style: this.props.style
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}, /*#__PURE__*/React__default["default"].createElement("div", {
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className: "p-scrollpanel-wrapper"
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}, /*#__PURE__*/React__default["default"].createElement("div", {
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ref: function ref(el) {
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return _this5.content = el;
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},
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className: "p-scrollpanel-content",
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onScroll: this.moveBar,
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onMouseEnter: this.moveBar
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}, this.props.children)), /*#__PURE__*/React__default["default"].createElement("div", {
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ref: function ref(el) {
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return _this5.xBar = el;
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},
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className: "p-scrollpanel-bar p-scrollpanel-bar-x",
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onMouseDown: this.onXBarMouseDown
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}), /*#__PURE__*/React__default["default"].createElement("div", {
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ref: function ref(el) {
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return _this5.yBar = el;
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},
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className: "p-scrollpanel-bar p-scrollpanel-bar-y",
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onMouseDown: this.onYBarMouseDown
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}));
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}
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}]);
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return ScrollPanel;
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}(React.Component);
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_defineProperty(ScrollPanel, "defaultProps", {
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id: null,
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style: null,
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className: null
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});
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exports.ScrollPanel = ScrollPanel;
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