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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | 4x 4x 4x 12x 12x 12x 12x 12x 12x 12x 12x 8x 8x 8x 8x 12x 4x 4x 4x 4x 12x | import React, { useState, useContext, useEffect, MouseEvent, useMemo } from 'react';
import { coursesContext } from '../contexts/CoursesProvider';
import { studentsContext } from '../contexts/StudentsProvider';
import { Course, Student } from '../types';
import styled from 'styled-components';
const DropdownContainer = styled.div`
position: relative;
z-index: 99999999;
max-height: 396px;
border-radius: 3px;
overflow-y: auto;
opacity: 0.97;
box-shadow: 0.05em 0.2em 0.6em rgba(0, 0, 0, 0.2);
scroll-snap-type: y mandatory;
scroll-behavior: smooth;
::-webkit-scrollbar-track {
background-color: #f2f4f7;
border-radius: 10px;
}
::-webkit-scrollbar {
background-color: #f2f4f7;
width: 5px;
border-style: none;
}
::-webkit-scrollbar-thumb {
border-radius: 10px;
background-color: #4b4b4b;
}
`;
const CourseContainer = styled.div`
padding: 5px;
padding-left: 20px;
background-color: #f2f4f7;
font-size: 16px;
font-weight: 500;
scroll-snap-align: end;
:hover {
background-color: #eceef4;
cursor: pointer;
}
`;
interface DropdownProps {
open: boolean;
input: string;
handleCloseDropdown: () => void;
selectedOption: string;
}
export const Dropdown = ({ open, input, handleCloseDropdown, selectedOption }: DropdownProps) => {
const { courses, selectBasketNames, addCourseToBasket, changeStudent, getStudentTimetablesHistory } = useContext(coursesContext)!;
const { students, changeSelectedStudent } = useContext(studentsContext)!;
const basketNames = useMemo(() => selectBasketNames(), [selectBasketNames]);
const [filteredCourses, setFilteredCourses] = useState<Array<Course>>([]);
const [filteredStudents, setFilteredStudents] = useState<Array<Student>>([]);
const onCourseClick = (event: MouseEvent) => {
const target = event.currentTarget;
if (target.id && target.textContent) {
const course = filteredCourses.find(({ id }) => id.toString() === target.id)!;
addCourseToBasket(course);
handleCloseDropdown();
}
};
const onUserClick = (event: MouseEvent) => {
const target = event.currentTarget;
//to be moved to students provider
changeStudent(target.id);
changeSelectedStudent(Number(target.id));
handleCloseDropdown();
};
useEffect(() => {
const filterCourses = (input: string) => {
const filteredCourses = courses.filter(
({ name }) =>
name
.toLowerCase()
.normalize('NFD')
.replace(/[\u0300-\u036f]/g, '')
.includes(
input
.toLowerCase()
.normalize('NFD')
.replace(/[\u0300-\u036f]/g, ''),
) && !basketNames.includes(name),
);
setFilteredCourses(filteredCourses);
};
filterCourses(input);
}, [basketNames, courses, input]);
useEffect(() => {
const filterUsers = (input: string) => {
const filteredUsers = students.filter(({ name, surname }) =>
(name + surname)
.toLowerCase()
.normalize('NFD')
.replace(/[\u0300-\u036f]/g, '')
.includes(
input
.toLowerCase()
.normalize('NFD')
.replace(/[\u0300-\u036f]/g, ''),
),
);
setFilteredStudents(filteredUsers);
};
filterUsers(input);
}, [students, input]);
return (
<DropdownContainer>
{open && (
<>
{selectedOption === 'studenci' ? (
<div>
{filteredStudents.map(({ email, id }, index) => (
<CourseContainer key={index} id={id.toString()} onClick={onUserClick}>
<p>{email}</p>
</CourseContainer>
))}
</div>
) : (
<div>
{filteredCourses.map(({ name, id }, index) => (
<CourseContainer key={index} id={id.toString()} onClick={onCourseClick}>
<p>{name} </p>
</CourseContainer>
))}
</div>
)}
</>
)}
</DropdownContainer>
);
};
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