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@@ -0,0 +1,414 @@
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+var __extends = (this && this.__extends) || (function () {
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+ var extendStatics = Object.setPrototypeOf ||
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+ ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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+ function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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+ return function (d, b) {
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+ extendStatics(d, b);
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+ function __() { this.constructor = d; }
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+ d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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+ };
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+})();
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+var __assign = (this && this.__assign) || Object.assign || function(t) {
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+ for (var s, i = 1, n = arguments.length; i < n; i++) {
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+ s = arguments[i];
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+ for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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+ t[p] = s[p];
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+ }
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+ return t;
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+};
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+import * as React from "react";
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+import { int, innerHeight, innerWidth, outerHeight, outerWidth, parseBounds } from '../utils';
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+var doc = document;
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+var speed = 0;
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+var timer = 0;
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+var autoScrolling = false;
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+var autoY = 0;
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+var currentHeight = 0;
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+var ScollPostion = function () {
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+ var t = 0, l = 0, w = 0, h = 0;
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+ if (document.documentElement && document.documentElement.scrollTop) {
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+ t = document.documentElement.scrollTop;
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+ l = document.documentElement.scrollLeft;
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+ w = document.documentElement.scrollWidth;
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+ h = document.documentElement.scrollHeight;
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+ }
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+ else if (document.body) {
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+ t = document.body.scrollTop;
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+ l = document.body.scrollLeft;
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+ w = document.body.scrollWidth;
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+ h = document.body.scrollHeight;
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+ }
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+ return {
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+ top: t,
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+ left: l,
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+ width: w,
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+ height: h
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+ };
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+};
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+var Dragger = /** @class */ (function (_super) {
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+ __extends(Dragger, _super);
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+ function Dragger(props) {
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+ var _this = _super.call(this, props) || this;
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+ _this.ListenMove = function (type) {
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+ /** 保证用户在移动元素的时候不会选择到元素内部的东西 */
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+ doc.body.style.userSelect = 'none';
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+ if (type === 'resize') {
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+ doc.addEventListener('mouseup', _this.onResizeEnd);
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+ doc.addEventListener('mousemove', _this.onResizing);
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+ return;
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+ }
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+ doc.addEventListener('mousemove', _this.move);
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+ doc.addEventListener('mouseup', _this.onDragEnd);
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+ };
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+ _this.unListenMove = function (type) {
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+ doc.body.style.userSelect = '';
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+ if (type === 'resize') {
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+ doc.removeEventListener('mousemove', _this.onResizing);
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+ doc.removeEventListener('mouseup', _this.onResizeEnd);
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+ return;
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+ }
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+ doc.removeEventListener('mousemove', _this.move);
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+ doc.removeEventListener('mouseup', _this.onDragEnd);
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+ };
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+ _this.state = {
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+ /** x轴位移,单位是px */
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+ x: _this.props.x || 0,
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+ /** y轴位移,单位是px */
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+ y: _this.props.y || 0,
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+ /**鼠标点击元素的原始位置,单位是px */
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+ originX: 0,
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+ originY: 0,
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+ isUserMove: true,
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+ /**已经移动的位移,单位是px */
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+ lastX: 0,
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+ lastY: 0,
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+ /**堆叠的层级 */
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+ zIndex: 1,
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+ w: _this.props.w || 0,
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+ h: _this.props.h || 0,
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+ lastW: 0,
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+ lastH: 0
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+ };
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+ _this.move = function (event) {
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+ var _a = _this.state, lastX = _a.lastX, lastY = _a.lastY;
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+ /* event.client - this.state.origin 表示的是移动的距离,
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+ * elX表示的是原来已经有的位移
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+ */
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+ var deltaX, deltaY;
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+ if (event.type.indexOf('mouse') >= 0) {
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+ deltaX = event.clientX - _this.state.originX + lastX;
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+ deltaY = event.clientY - _this.state.originY + lastY;
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+ }
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+ else {
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+ deltaX = event.touches[0].clientX - _this.state.originX + lastX;
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+ deltaY = event.touches[0].clientY - _this.state.originY + lastY;
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+ }
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+ var bounds = _this.props.bounds;
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+ if (bounds) {
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+ /**
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+ * 如果用户指定一个边界,那么在这里处理
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+ */
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+ var NewBounds = typeof bounds !== 'string' ? parseBounds(bounds) : bounds;
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+ /**
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+ * 网格式移动范围设定,永远移动 n 的倍数
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+ * 注意:设定移动范围的时候,一定要在判断bounds之前,否则会造成bounds不对齐
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+ */
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+ var grid = _this.props.grid;
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+ if (Array.isArray(grid) && grid.length === 2) {
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+ deltaX = Math.round(deltaX / grid[0]) * grid[0];
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+ deltaY = Math.round(deltaY / grid[1]) * grid[1];
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+ }
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+ if (_this.props.bounds === 'parent') {
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+ NewBounds = {
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+ left: int(_this.parent.style.paddingLeft) + int(_this.self.style.marginLeft) - _this.self.offsetLeft,
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+ top: int(_this.parent.style.paddingTop) + int(_this.self.style.marginTop) - _this.self.offsetTop,
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+ right: innerWidth(_this.parent) - outerWidth(_this.self) - _this.self.offsetLeft +
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+ int(_this.parent.style.paddingRight) - int(_this.self.style.marginRight),
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+ bottom: innerHeight(_this.parent) - outerHeight(_this.self) - _this.self.offsetTop +
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+ int(_this.parent.style.paddingBottom) - int(_this.self.style.marginBottom)
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+ };
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+ }
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+ /**
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+ * 保证不超出右边界和底部
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+ * keep element right and bot can not cross the bounds
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+ */
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+ if (NewBounds !== 'parent')
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+ deltaX = Math.min(deltaX, NewBounds.right);
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+ if (NewBounds !== 'parent')
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+ deltaY = Math.min(deltaY, NewBounds.bottom);
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+ /**
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+ * 保证不超出左边和上边
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+ * keep element left and top can not cross the bounds
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+ */
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+ if (NewBounds !== 'parent')
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+ deltaX = Math.max(deltaX, NewBounds.left);
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+ if (NewBounds !== 'parent')
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+ deltaY = Math.max(deltaY, NewBounds.top);
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+ }
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+ /**如果设置了x,y限制 */
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+ deltaX = _this.props.allowX ? deltaX : 0;
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+ deltaY = _this.props.allowY ? deltaY : 0;
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+ /**
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+ * 调整手感
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+ * 无论是向上移动还是向下移动,全部都是根据重力中心
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+ * */
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+ var height = _this.refs['dragger'].getClientRects()[0].height;
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+ var upNdown = _this.state.y - deltaY;
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+ var fixY = deltaY + (upNdown >= 0 ? 0 : height / 2);
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+ if (!autoScrolling) {
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+ /**移动时回调,用于外部控制 */
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+ if (_this.props.onMove)
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+ _this.props.onMove(event, deltaX, fixY);
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+ // console.log('del', deltaY);
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+ _this.setState({
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+ x: deltaX,
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+ y: deltaY,
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+ });
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+ }
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+ if (autoScrolling && speed < 0) {
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+ clearInterval(timer);
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+ timer = 0;
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+ _this.setState({
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+ y: _this.state.y,
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+ lastY: _this.state.y,
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+ originY: event.clientY,
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+ originX: event.clientX
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+ });
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+ if (_this.props.onMove)
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+ _this.props.onMove(event, _this.state.x, _this.state.y);
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+ window.scrollTo(0, ScollPostion().top);
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+ autoScrolling = false;
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+ speed = 0;
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+ autoY = 0;
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+ }
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+ if (autoScrolling) {
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+ var check = event.clientY - _this.state.originY;
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+ speed = check / 3;
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+ _this.setState({
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+ x: deltaX,
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+ lastY: _this.state.y,
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+ originY: event.clientY,
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+ originX: event.clientX
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+ });
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+ }
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+ if (!autoScrolling && event.clientY > 650) {
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+ var totalHeight = document.body.clientHeight - window.innerHeight;
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+ console.log(totalHeight);
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+ autoScrolling = true;
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+ currentHeight = ScollPostion().top;
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+ timer = setInterval(function () {
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+ autoY += speed;
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+ if (_this.state.y > document.body.clientHeight - 200)
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+ clearInterval(timer);
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+ window.scrollTo(0, currentHeight + autoY);
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+ _this.setState({
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+ y: _this.state.y + speed,
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+ lastY: _this.state.y + speed,
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+ originY: event.clientY,
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+ originX: event.clientX
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+ });
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+ if (_this.props.onMove)
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+ _this.props.onMove(event, _this.state.x, _this.state.y + speed);
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+ });
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+ }
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+ };
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+ _this.onDragStart = function (event) {
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+ if (_this.props.handle) {
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+ if (event.target.id !== 'dragact-handle')
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+ return;
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+ }
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+ /**
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+ * 把监听事件的回掉函数,绑定在document上
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+ * 当设置边界的时候,用户鼠标会离开元素的范围
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+ * 绑定在document上可以使得其依旧能够监听
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+ * 如果绑定在元素上,则鼠标离开元素,就不会再被监听了
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+ */
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+ if (event.type.indexOf('mouse') >= 0) {
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+ _this.ListenMove('drag');
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+ }
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+ else {
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+ doc.addEventListener('touchmove', _this.move);
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+ doc.addEventListener('touchend', _this.onDragEnd);
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+ }
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+ if (_this.props.bounds === 'parent' &&
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+ /**为了让 这段代码不会重复执行 */
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+ (typeof _this.parent === 'undefined' || _this.parent === null)) {
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+ /**
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+ * 在这里我们将父节点缓存下来,保证当用户鼠标离开拖拽区域时,我们仍然能获取到父节点
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+ * what we do here is
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+ * making sure that we still can retrieve our parent when user's mouse left this node.
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+ */
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+ _this.parent = event.currentTarget.offsetParent; //todo
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+ /**
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+ * 我们自己
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+ * ourself
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+ */
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+ _this.self = event.currentTarget;
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+ }
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+ _this.props.onDragStart && _this.props.onDragStart(_this.state.x, _this.state.y);
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+ var originX, originY;
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+ if (event.type.indexOf('mouse') >= 0) {
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+ originX = event.clientX;
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+ originY = event.clientY;
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+ }
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+ else {
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+ originX = event.touches[0].clientX;
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+ originY = event.touches[0].clientY;
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+ }
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+ // console.log(originY, this.state.y)
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+ _this.setState({
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+ originX: originX,
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+ originY: originY,
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+ lastX: _this.state.x,
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+ lastY: _this.state.y,
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+ zIndex: 10
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+ });
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+ };
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+ _this.onDragEnd = function (event) {
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+ /** 取消用户选择限制,用户可以重新选择 */
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+ clearInterval(timer);
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+ speed = 0;
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+ autoScrolling = false;
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+ autoY = 0;
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+ currentHeight = 0;
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+ _this.parent = null;
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+ _this.self = null;
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+ if (event.type.indexOf('mouse') >= 0) {
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+ _this.unListenMove('drag');
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+ }
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+ else {
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+ doc.removeEventListener('touchmove', _this.move);
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+ doc.removeEventListener('touchend', _this.onDragEnd);
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+ }
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+ _this.setState({
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+ zIndex: 1
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+ });
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+ _this.props.onDragEnd && _this.props.onDragEnd(event, _this.state.x, _this.state.y);
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+ };
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+ _this.onResizeStart = function (event) {
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+ /** 保证用户在移动元素的时候不会选择到元素内部的东西 */
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+ _this.ListenMove('resize');
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+ var originX, originY;
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+ originX = event.clientX;
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+ originY = event.clientY;
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+ _this.props.onResizeStart && _this.props.onResizeStart(event, _this.state.w, _this.state.h);
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+ _this.setState({
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+ originX: originX,
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+ originY: originY,
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+ zIndex: 2,
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+ lastW: _this.state.w,
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+ lastH: _this.state.h
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+ });
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+ event.stopPropagation();
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+ };
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+ _this.onResizing = function (event) {
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+ /* event.client - this.state.origin 表示的是移动的距离,
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+ * elX表示的是原来已经有的位移
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+ */
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+ var deltaX, deltaY;
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+ if (event.type.indexOf('mouse') >= 0) {
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+ deltaX = event.clientX - _this.state.originX;
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+ deltaY = event.clientY - _this.state.originY;
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+ }
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+ else {
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+ deltaX = event.touches[0].clientX - _this.state.originX;
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+ deltaY = event.touches[0].clientY - _this.state.originY;
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+ }
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+ /**移动时回调,用于外部控制 */
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+ _this.props.onResizing && _this.props.onResizing(event, _this.state.w, _this.state.h);
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+ _this.setState({
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+ w: deltaX + _this.state.lastW,
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+ h: deltaY + _this.state.lastH
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+ });
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+ };
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+ _this.onResizeEnd = function (event) {
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+ _this.unListenMove('resize');
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+ _this.props.onResizeEnd && _this.props.onResizeEnd(event, _this.state.w, _this.state.h);
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+ };
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+ _this.mixin = function () {
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+ var dragMix = {};
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+ if (_this.props.canDrag === void 666 || _this.props.canDrag === true) {
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+ dragMix = {
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+ onMouseDown: _this.onDragStart,
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+ onTouchStart: _this.onDragStart,
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+ onTouchEnd: _this.onDragEnd,
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+ onMouseUp: _this.onDragEnd
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+ };
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+ }
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+ var resizeMix = {};
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+ if (_this.props.canResize === void 666 || _this.props.canDrag === true) {
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+ resizeMix = {
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+ onMouseDown: _this.onResizeStart,
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+ onMouseUp: _this.onResizeEnd
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+ };
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+ }
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+ return {
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+ dragMix: dragMix, resizeMix: resizeMix
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+ };
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+ };
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+ _this.parent = null;
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+ _this.self = null;
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+ return _this;
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+ }
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+ Dragger.prototype.componentWillReceiveProps = function (nextProps) {
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+ /**
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+ * 外部props 改变的时候更新元素的内部位置
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+ * 这个api设计其实很不好
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+ * 以后可能会修改掉
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+ */
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+ var isUserMove = nextProps.isUserMove;
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+ if (!isUserMove) {
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+ if (typeof nextProps.x === 'number' &&
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+ typeof nextProps.y === 'number') {
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+ this.setState({
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+ x: nextProps.x,
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+ y: nextProps.y,
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+ lastX: nextProps.x,
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+ lastY: nextProps.y,
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+ w: nextProps.w,
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+ h: nextProps.h
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+ });
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+ }
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+ }
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+ };
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+ Dragger.prototype.render = function () {
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+ var _a = this.state, x = _a.x, y = _a.y, w = _a.w, h = _a.h;
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+ var _b = this.props, style = _b.style, className = _b.className, canResize = _b.canResize;
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+ if (!this.props.isUserMove) {
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|
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+ /**当外部设置其props的x,y初始属性的时候,我们在这里设置元素的初始位移 */
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+ x = this.props.x ? this.props.x : 0;
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+ y = this.props.y ? this.props.y : 0;
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+ if (style) {
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+ w = style.width ? style.width : w;
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+ h = style.height ? style.height : h;
|
|
|
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+ }
|
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+ }
|
|
|
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+ if (style) {
|
|
|
|
+ //使得初始化的时候,不会有从0-1缩放动画
|
|
|
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+ w = w === 0 ? style.width : w;
|
|
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|
+ h = h === 0 ? style.height : h;
|
|
|
|
+ }
|
|
|
|
+ var _c = this.mixin(), dragMix = _c.dragMix, resizeMix = _c.resizeMix;
|
|
|
|
+ /**主要是为了让用户定义自己的className去修改css */
|
|
|
|
+ var fixedClassName = typeof className === 'undefined' ? '' : className + ' ';
|
|
|
|
+ return (React.createElement("div", __assign({ className: fixedClassName + "WrapDragger", ref: 'dragger', style: __assign({}, style, { touchAction: 'none!important', transform: "translate(" + x + "px," + y + "px)", width: w, height: h }) }, dragMix),
|
|
|
|
+ this.props.children ? React.Children.only(this.props.children) : null,
|
|
|
|
+ canResize !== false ?
|
|
|
|
+ React.createElement("span", __assign({}, resizeMix, { style: {
|
|
|
|
+ position: 'absolute',
|
|
|
|
+ width: 10, height: 10, right: 2, bottom: 2, cursor: 'se-resize',
|
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|
|
+ borderRight: '2px solid rgba(15,15,15,0.2)',
|
|
|
|
+ borderBottom: '2px solid rgba(15,15,15,0.2)'
|
|
|
|
+ } })) : null));
|
|
|
|
+ };
|
|
|
|
+ /**
|
|
|
|
+ * 初始变量设置
|
|
|
|
+ */
|
|
|
|
+ Dragger.defaultProps = {
|
|
|
|
+ allowX: true,
|
|
|
|
+ allowY: true,
|
|
|
|
+ isUserMove: true
|
|
|
|
+ };
|
|
|
|
+ return Dragger;
|
|
|
|
+}(React.Component));
|
|
|
|
+export { Dragger };
|