choerodon-ui
Version:
An enterprise-class UI design language and React-based implementation
298 lines (265 loc) • 9.66 kB
JavaScript
import _defineProperty from "@babel/runtime/helpers/defineProperty";
import classnames from 'classnames';
import { isTransformSupported, setTransform } from './utils';
import React from 'react';
import addEventListener from '../../_util/addEventListener';
import debounce from 'lodash/debounce';
export default {
getDefaultProps: function getDefaultProps() {
return {
scrollAnimated: true,
onPrevClick: function onPrevClick() {},
onNextClick: function onNextClick() {}
};
},
getInitialState: function getInitialState() {
this.offset = 0;
return {
next: false,
prev: false
};
},
componentDidMount: function componentDidMount() {
var _this = this;
this.componentDidUpdate();
this.debouncedResize = debounce(function () {
_this.setNextPrev();
_this.scrollToActiveTab();
}, 200);
this.resizeEvent = addEventListener(window, 'resize', this.debouncedResize);
},
componentDidUpdate: function componentDidUpdate(prevProps) {
var props = this.props;
if (prevProps && prevProps.tabBarPosition !== props.tabBarPosition) {
this.setOffset(0);
return;
}
var nextPrev = this.setNextPrev(); // wait next, prev show hide
/* eslint react/no-did-update-set-state:0 */
if (this.isNextPrevShown(this.state) !== this.isNextPrevShown(nextPrev)) {
this.setState({}, this.scrollToActiveTab);
} else if (!prevProps || props.activeKey !== prevProps.activeKey) {
// can not use props.activeKey
this.scrollToActiveTab();
}
},
componentWillUnmount: function componentWillUnmount() {
if (this.resizeEvent) {
this.resizeEvent.remove();
}
if (this.debouncedResize && this.debouncedResize.cancel) {
this.debouncedResize.cancel();
}
},
setNextPrev: function setNextPrev() {
var navNode = this.nav;
var navNodeWH = this.getScrollWH(navNode);
var containerWH = this.getOffsetWH(this.container);
var navWrapNodeWH = this.getOffsetWH(this.navWrap);
var offset = this.offset; // 当容器小于tab的时候使用最小值才可以防止回弹问题。
var navNodeWHValue = Math.min(containerWH, navWrapNodeWH);
var minOffset = navNodeWHValue - navNodeWH; // -165
var _this$state = this.state,
next = _this$state.next,
prev = _this$state.prev;
if (minOffset >= 0) {
next = false;
this.setOffset(0, false);
offset = 0;
} else if (minOffset < offset) {
next = true;
} else {
next = false; // Test with container offset which is stable
// and set the offset of the nav wrap node
var realOffset = navWrapNodeWH - navNodeWH;
this.setOffset(realOffset, false);
offset = realOffset;
}
if (offset < 0) {
prev = true;
} else {
prev = false;
}
this.setNext(next);
this.setPrev(prev);
return {
next: next,
prev: prev
};
},
getOffsetWH: function getOffsetWH(node) {
var tabBarPosition = this.props.tabBarPosition;
var prop = 'offsetWidth';
if (tabBarPosition === 'left' || tabBarPosition === 'right') {
prop = 'offsetHeight';
}
return node[prop];
},
getScrollWH: function getScrollWH(node) {
var tabBarPosition = this.props.tabBarPosition;
var prop = 'scrollWidth';
if (tabBarPosition === 'left' || tabBarPosition === 'right') {
prop = 'scrollHeight';
}
return node[prop];
},
getOffsetLT: function getOffsetLT(node) {
var tabBarPosition = this.props.tabBarPosition;
var prop = 'left';
if (tabBarPosition === 'left' || tabBarPosition === 'right') {
prop = 'top';
}
return node.getBoundingClientRect()[prop];
},
setOffset: function setOffset(offset) {
var checkNextPrev = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
var target = Math.min(0, offset);
if (this.offset !== target) {
this.offset = target;
var navOffset = {};
var tabBarPosition = this.props.tabBarPosition;
var navStyle = this.nav.style;
var transformSupported = isTransformSupported(navStyle);
if (tabBarPosition === 'left' || tabBarPosition === 'right') {
if (transformSupported) {
navOffset = {
value: "translate3d(0,".concat(target, "px,0)")
};
} else {
navOffset = {
name: 'top',
value: "".concat(target, "px")
};
}
} else {
if (transformSupported) {
navOffset = {
value: "translate3d(".concat(target, "px,0,0)")
};
} else {
navOffset = {
name: 'left',
value: "".concat(target, "px")
};
}
}
if (transformSupported) {
setTransform(navStyle, navOffset.value);
} else {
navStyle[navOffset.name] = navOffset.value;
}
if (checkNextPrev) {
this.setNextPrev();
}
}
},
setPrev: function setPrev(v) {
if (this.state.prev !== v) {
this.setState({
prev: v
});
}
},
setNext: function setNext(v) {
if (this.state.next !== v) {
this.setState({
next: v
});
}
},
isNextPrevShown: function isNextPrevShown(state) {
if (state) {
return state.next || state.prev;
}
return this.state.next || this.state.prev;
},
prevTransitionEnd: function prevTransitionEnd(e) {
if (e.propertyName !== 'opacity') {
return;
}
var container = this.container;
this.scrollToActiveTab({
target: container,
currentTarget: container
});
},
scrollToActiveTab: function scrollToActiveTab(e) {
var activeTab = this.activeTab,
navWrap = this.navWrap;
if (e && e.target !== e.currentTarget || !activeTab) {
return;
} // when not scrollable or enter scrollable first time, don't emit scrolling
var needToSroll = this.isNextPrevShown() && this.lastNextPrevShown;
this.lastNextPrevShown = this.isNextPrevShown();
if (!needToSroll) {
return;
}
var activeTabWH = this.getScrollWH(activeTab);
var navWrapNodeWH = this.getOffsetWH(navWrap);
var offset = this.offset;
var wrapOffset = this.getOffsetLT(navWrap);
var activeTabOffset = this.getOffsetLT(activeTab);
if (wrapOffset > activeTabOffset) {
offset += wrapOffset - activeTabOffset;
this.setOffset(offset);
} else if (wrapOffset + navWrapNodeWH < activeTabOffset + activeTabWH) {
offset -= activeTabOffset + activeTabWH - (wrapOffset + navWrapNodeWH);
this.setOffset(offset);
}
},
prev: function prev(e) {
this.props.onPrevClick(e);
var navWrapNode = this.navWrap;
var navWrapNodeWH = this.getOffsetWH(navWrapNode);
var offset = this.offset;
this.setOffset(offset + navWrapNodeWH);
},
next: function next(e) {
this.props.onNextClick(e);
var navWrapNode = this.navWrap;
var navWrapNodeWH = this.getOffsetWH(navWrapNode);
var offset = this.offset;
this.setOffset(offset - navWrapNodeWH);
},
getScrollBarNode: function getScrollBarNode(content) {
var _classnames, _classnames2, _classnames3, _classnames4;
var _this$state2 = this.state,
next = _this$state2.next,
prev = _this$state2.prev;
var _this$props = this.props,
prefixCls = _this$props.prefixCls,
scrollAnimated = _this$props.scrollAnimated;
var showNextPrev = prev || next;
var prevButton = React.createElement("span", {
onClick: prev ? this.prev : null,
unselectable: "unselectable",
className: classnames((_classnames = {}, _defineProperty(_classnames, "".concat(prefixCls, "-tab-prev"), 1), _defineProperty(_classnames, "".concat(prefixCls, "-tab-btn-disabled"), !prev), _defineProperty(_classnames, "".concat(prefixCls, "-tab-arrow-show"), showNextPrev), _classnames)),
onTransitionEnd: this.prevTransitionEnd
}, React.createElement("span", {
className: "".concat(prefixCls, "-tab-prev-icon")
}));
var nextButton = React.createElement("span", {
onClick: next ? this.next : null,
unselectable: "unselectable",
className: classnames((_classnames2 = {}, _defineProperty(_classnames2, "".concat(prefixCls, "-tab-next"), 1), _defineProperty(_classnames2, "".concat(prefixCls, "-tab-btn-disabled"), !next), _defineProperty(_classnames2, "".concat(prefixCls, "-tab-arrow-show"), showNextPrev), _classnames2))
}, React.createElement("span", {
className: "".concat(prefixCls, "-tab-next-icon")
}));
var navClassName = "".concat(prefixCls, "-nav");
var navClasses = classnames((_classnames3 = {}, _defineProperty(_classnames3, navClassName, true), _defineProperty(_classnames3, scrollAnimated ? "".concat(navClassName, "-animated") : "".concat(navClassName, "-no-animated"), true), _classnames3));
return React.createElement("div", {
className: classnames((_classnames4 = {}, _defineProperty(_classnames4, "".concat(prefixCls, "-nav-container"), 1), _defineProperty(_classnames4, "".concat(prefixCls, "-nav-container-scrolling"), showNextPrev), _classnames4)),
key: "container",
ref: this.saveRef('container')
}, prevButton, nextButton, React.createElement("div", {
className: "".concat(prefixCls, "-nav-wrap"),
ref: this.saveRef('navWrap')
}, React.createElement("div", {
className: "".concat(prefixCls, "-nav-scroll")
}, React.createElement("div", {
className: navClasses,
ref: this.saveRef('nav')
}, content))));
}
};
//# sourceMappingURL=ScrollableTabBarMixin.js.map