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import * as React from 'react';
import { observer } from 'mobx-react';
import { faArrowCircleRight, faArrowCircleLeft } from '@fortawesome/free-solid-svg-icons';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { library } from '@fortawesome/fontawesome-svg-core';
import "./Pager.scss";
import { SearchBox } from './SearchBox';
import { observable, action } from 'mobx';
import { FilterBox } from './FilterBox';
library.add(faArrowCircleRight);
library.add(faArrowCircleLeft);
@observer
export class Pager extends React.Component {
@observable _leftHover: boolean = false;
@observable _rightHover: boolean = false;
@action
onLeftClick(e: React.PointerEvent) {
FilterBox.Instance._pointerTime = e.timeStamp;
if (SearchBox.Instance._pageNum > 0) {
SearchBox.Instance._pageNum -= 1;
}
}
@action
onRightClick(e: React.PointerEvent) {
FilterBox.Instance._pointerTime = e.timeStamp;
if (SearchBox.Instance._pageNum + 1 < SearchBox.Instance._maxNum) {
SearchBox.Instance._pageNum += 1;
}
}
@action.bound
mouseInLeft() {
this._leftHover = true;
}
@action.bound
mouseOutLeft() {
this._leftHover = false;
}
@action.bound
mouseInRight() {
this._rightHover = true;
}
@action.bound
mouseOutRight() {
this._rightHover = false;
}
render() {
return (
<div className="search-pager">
<div className="search-arrows">
<div className = "arrow"
onPointerDown = {this.onLeftClick} style = {SearchBox.Instance._pageNum === 0 ? {opacity: .2} : this._leftHover ? {opacity: 1} : {opacity: .7}}
onMouseEnter = {this.mouseInLeft} onMouseLeave = {this.mouseOutLeft}>
<FontAwesomeIcon className="fontawesome-icon" icon={faArrowCircleLeft} />
</div>
<div className="pager-title">
page {SearchBox.Instance._pageNum + 1} of {SearchBox.Instance._maxNum}
</div>
<div className = "arrow"
onPointerDown = {this.onRightClick} style = {SearchBox.Instance._pageNum === SearchBox.Instance._maxNum-1 ? {opacity: .2} : this._rightHover ? {opacity: 1} : {opacity: .7}}
onMouseEnter = {this.mouseInRight} onMouseLeave = {this.mouseOutRight}>
<FontAwesomeIcon className="fontawesome-icon" icon={faArrowCircleRight} />
</div>
</div>
</div>
);
}
}
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