465 lines
20 KiB
React
465 lines
20 KiB
React
import {useEffect, useState} from "react";
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import Button from "@/components/Button";
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import {list} from "postcss";
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import Background from "@/components/Background";
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import WeekSelector from "@/components/WeekSelector";
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let cellHeight = 20;
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let colors = ["#f80000", "#414141"]
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let semesterStart;
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let currentWeekStartDay;
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let currentYear;
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let selectedElement;
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let grabbedDown;
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export default function CalenderView(p) {
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const [entries, setEntries] = useState([[], [], [], [], [], []])
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const [update, setUpdate] = useState(false)
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function readEntries() {
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let url = "http://localhost:8080/entries?semesterid=" + localStorage.getItem("currentsid") +
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"&daynumber=" + currentWeekStartDay + "&yearnumber=" + currentYear + "&sessionid=" + localStorage.getItem("sessionid");
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fetch(url).then(r => r.json()).then(en => {
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setEntries(en)
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})
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}
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function pushEntry(currentColumnID, row) {
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let url = "http://localhost:8080/entries" + "?sessionid=" + localStorage.getItem("sessionid")
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let json = {
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"id": 0,
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"daynumber": currentWeekStartDay + currentColumnID,
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"yearnumber": currentYear,
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"semesterid": localStorage.getItem("currentsid"),
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"usercreatedbyid": localStorage.getItem("userid"),
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"timestart": row,
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"timeend": row + 3,
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"info": ""
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}
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fetch(url, {
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method: "POST",
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headers: {"Content-Type": "application/json"},
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body: JSON.stringify(json)
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}).then(r => {
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readEntries()
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})
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}
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function deleteEntry(id) {
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let url = "http://localhost:8080/entries?id=" + id + "&sessionid=" + localStorage.getItem("sessionid");
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fetch(url, {
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method: "DELETE"
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}).then(r => readEntries())
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}
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function checkForElementAtRow(row, column) {
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let currentList = entries[column];
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for (let i = 0; i < currentList.length; i++) {
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if (currentList[i] != null) {
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if (row >= currentList[i].timestart && row <= currentList[i].timeend) {
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return true;
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}
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}
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}
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return false;
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}
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function getElementInColumn(id, column) {
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let currentList = entries[column];
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for (let i = 0; i < currentList.length; i++) {
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if (currentList[i] != null) {
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if (currentList[i].id === id) {
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return currentList[i];
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}
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}
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}
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return null;
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}
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function onMouseUp(e) {
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if (selectedElement != null) {
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let id = selectedElement.id;
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let url = "http://localhost:8080/entries?sessionid=" + localStorage.getItem("sessionid");
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let json = {
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"id": id,
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"daynumber": 0,
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"yearnumber": 0,
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"semesterid": 0,
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"usercreatedbyid": 0,
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"timestart": selectedElement.timestart,
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"timeend": selectedElement.timeend,
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"info": ""
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}
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fetch(url, {
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method: "PUT",
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headers: {"Content-Type": "application/json"},
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body: JSON.stringify(json)
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}).then(r => {
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readEntries()
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})
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selectedElement = null;
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}
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}
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function onMouseMove(e) {
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if (selectedElement != null) {
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let y_window = e.clientY;
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let y_target_offset = e.currentTarget.getBoundingClientRect().top;
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let row = Math.floor((y_window - y_target_offset) / cellHeight) + 1;
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let currentColumnID = parseInt(e.currentTarget.id)
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if (grabbedDown)
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{
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selectedElement.timeend = row + 1;
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}else
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{
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selectedElement.timestart = row + 1;
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}
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setUpdate(!update);
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}
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}
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function onMouseDown(e) {
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let y_window = e.clientY;
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let y_target_offset = e.currentTarget.getBoundingClientRect().top;
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let row = Math.floor((y_window - y_target_offset) / cellHeight) + 1;
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let currentColumnID = parseInt(e.currentTarget.id)
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let currentId = e.target.id;
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if (e.button === 0) {
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if (!currentId.includes("e")) {
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if (!currentId.includes("grab")) {
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if (!checkForElementAtRow(row + 2, currentColumnID)) {
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pushEntry(currentColumnID, row)
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}
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} else {
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grabbedDown = currentId.includes("down")
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/*
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if(currentId.includes("up"))
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{
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grabbedDown = false;
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}else grabbedDown = true;
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*/
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let parentID = parseInt(e.target.parentElement.id.replace("e", ""));
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selectedElement = getElementInColumn(parentID, currentColumnID);
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}
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}
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} else if (e.button === 2) {
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if (currentId.includes("e")) {
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let id = parseInt(currentId.replace("e", ""))
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deleteEntry(id)
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}
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}
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}
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function onWeekLeft() {
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currentWeekStartDay -= 7;
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readEntries()
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}
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function onWeekRight() {
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currentWeekStartDay += 7;
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readEntries()
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}
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useEffect(() => {
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semesterStart = 0;
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currentWeekStartDay = 0;
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currentYear = 2000;
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selectedElement = null;
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grabbedDown = false;
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let url = "http://localhost:8080/semester/id?sessionid=" + localStorage.getItem("sessionid") +
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"&id=" + localStorage.getItem("currentsid");
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fetch(url).then(r => r.json()).then(s => {
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currentWeekStartDay = s.startday - new Date(s.startyear, 0, s.startday).getUTCDay();
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currentYear = s.startyear;
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semesterStart = s.startday;
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}).then(readEntries)
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window.addEventListener("contextmenu", (e) => (e.preventDefault()))
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setInterval(function(){
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if (selectedElement == null){
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readEntries()
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}
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}, 100);
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}, [])
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//returns internal format (0 - 96) to a string
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function internal_to_time(internal) {
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internal -= 1
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internal /= 4
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let integer = Math.floor(internal)
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let decimal = internal.toFixed(2);
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let minutes = Math.floor((decimal - integer) * 60);
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let minutes_string = minutes.toString().length === 1 ? "0" + minutes : minutes
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return integer + ":" + minutes_string;
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}
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let temp = []
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for (let i = 2; i <= 96; i += 2) {
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temp.push(i);
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}
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return (
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<div style={{
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display: "flex",
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height: "100vh",
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flexDirection: "column",
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justifyContent: "center",
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alignItems: "center",
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}}>
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<WeekSelector year={currentYear} startday={currentWeekStartDay} onFunctionLeft={() => onWeekLeft()}
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onFunctionRight={() => onWeekRight()}/>
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<div id={update} style={{
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display: "flex",
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flexDirection: "row",
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justifyContent: "center",
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alignItems: "center",
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gap: 5
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}}>
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<div style={{ borderRadius: 10, padding: 10, backgroundColor: "#f1f1f1"}} className={"box-shadow"}>
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<div>
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<div className={"wochen-tag-container"}>
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<div className={"wochen-tag font-big"}>Montag</div>
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<div className={"wochen-tag font-big"}>Dienstag</div>
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<div className={"wochen-tag font-big"}>Mittwoch</div>
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<div className={"wochen-tag font-big"}>Donnerstag</div>
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<div className={"wochen-tag font-big"}>Freitag</div>
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<div className={"wochen-tag font-big"}>Samstag</div>
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</div>
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</div>
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<div className={"calender-container"}>
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<div className={"calender-view content"} style={{height: cellHeight * 96 + 10}}>
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<div className={"spalte"}
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id={"0"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}
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onMouseDown={e => onMouseDown(e)}
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onMouseMove={e => onMouseMove(e)}
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onMouseUp={e => onMouseUp(e)}>
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{entries[0].map(d => (d != null && <div className={"entry"} style={{
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width: "100%",
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gridRowStart: d.timestart,
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gridRowEnd: d.timeend,
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backgroundColor: "#77932b"
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}} id={d.id + "e"}>
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<div className={"resize-grab"} id={"grabup"}></div>
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<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
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<p>{internal_to_time(d.timestart) + " - " + internal_to_time(d.timeend)}</p>
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<p>Modul</p>
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</div>
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<div className={"resize-grab"} id={"grabdown"}></div>
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</div>))}
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</div>
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<div className={"spalte"}
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id={"1"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}
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onMouseDown={e => onMouseDown(e)}
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onMouseMove={e => onMouseMove(e)}
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onMouseUp={e => onMouseUp(e)}>
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{entries[1].map(d => (d != null && <div className={"entry"} style={{
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width: "100%",
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gridRowStart: d.timestart,
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gridRowEnd: d.timeend,
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backgroundColor: "#77932b"
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}} id={d.id + "e"}>
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<div className={"resize-grab"} id={"grabup"}></div>
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<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
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<p>{internal_to_time(d.timestart) + " - " + internal_to_time(d.timeend)}</p>
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<p>Modul</p>
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</div>
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<div className={"resize-grab"} id={"grabdown"}></div>
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</div>))}
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</div>
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<div className={"spalte"}
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id={"2"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}
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onMouseDown={e => onMouseDown(e)}
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onMouseMove={e => onMouseMove(e)}
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onMouseUp={e => onMouseUp(e)}>
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{entries[2].map(d => (d != null && <div className={"entry"} style={{
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width: "100%",
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gridRowStart: d.timestart,
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gridRowEnd: d.timeend,
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backgroundColor: "#77932b"
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}} id={d.id + "e"}>
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<div className={"resize-grab"} id={"grabup"}></div>
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<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
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<p>{internal_to_time(d.timestart) + " - " + internal_to_time(d.timeend)}</p>
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<p>Modul</p>
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</div>
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<div className={"resize-grab"} id={"grabdown"}></div>
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</div>))}
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</div>
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<div className={"spalte"}
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id={"3"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}
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onMouseDown={e => onMouseDown(e)}
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onMouseMove={e => onMouseMove(e)}
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onMouseUp={e => onMouseUp(e)}>
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{entries[3].map(d => (d != null && <div className={"entry"} style={{
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width: "100%",
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gridRowStart: d.timestart,
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gridRowEnd: d.timeend,
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backgroundColor: "#77932b"
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}} id={d.id + "e"}>
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<div className={"resize-grab"} id={"grabup"}></div>
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<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
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<p>{internal_to_time(d.timestart) + " - " + internal_to_time(d.timeend)}</p>
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<p>Moduel etc.</p>
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</div>
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<div className={"resize-grab"} id={"grabdown"}></div>
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</div>))}
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</div>
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<div className={"spalte"}
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id={"4"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}
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onMouseDown={e => onMouseDown(e)}
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onMouseMove={e => onMouseMove(e)}
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onMouseUp={e => onMouseUp(e)}>
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{entries[4].map(d => (d != null && <div className={"entry"} style={{
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width: "100%",
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gridRowStart: d.timestart,
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gridRowEnd: d.timeend,
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backgroundColor: "#77932b"
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}} id={d.id + "e"}>
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<div className={"resize-grab"} id={"grabup"}></div>
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<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
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<p>{internal_to_time(d.timestart) + " - " + internal_to_time(d.timeend)}</p>
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<p>Modul</p>
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</div>
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<div className={"resize-grab"} id={"grabdown"}></div>
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</div>))}
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</div>
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<div className={"spalte"}
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id={"5"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}
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onMouseDown={e => onMouseDown(e)}
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onMouseMove={e => onMouseMove(e)}
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onMouseUp={e => onMouseUp(e)}>
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{entries[5].map(d => (d != null && <div className={"entry"} style={{
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width: "100%",
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gridRowStart: d.timestart,
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gridRowEnd: d.timeend,
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backgroundColor: "#77932b"
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}} id={d.id + "e"}>
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<div className={"resize-grab"} id={"grabup"}></div>
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<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
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<p>{internal_to_time(d.timestart) + " - " + internal_to_time(d.timeend)}</p>
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<p>Modul</p>
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</div>
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<div className={"resize-grab"} id={"grabdown"}></div>
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</div>))}
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</div>
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</div>
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<div className={"overlay"} style={{backgroundColor: "rgba(0, 0, 0, 0)"}}>
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{/*maps a list of internal time stamps to lines and time stamps*/}
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{temp.map(i => (<div style={{
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width: "100%",
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height: cellHeight * 2,
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display: "flex",
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flexDirection: "row",
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justifyContent: "space-around",
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alignItems: "center",
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}} className={"no-pointer-events"}>
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<div style={{
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borderBottom: "1px solid #363636",
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}}><p style={{
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color: "gray",
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marginTop: cellHeight - 3,
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marginRight: 120,
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fontSize: 12,
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textAlign: "center"
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}}>{internal_to_time(i + 1)}</p></div>
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<div style={{
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borderBottom: "1px solid #363636",
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}}><p style={{
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color: "gray",
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marginTop: cellHeight - 3,
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marginRight: 120,
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fontSize: 12,
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textAlign: "center"
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}}>{internal_to_time(i + 1)}</p></div>
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<div style={{
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borderBottom: "1px solid #363636",
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}}><p style={{
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color: "gray",
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marginTop: cellHeight - 3,
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marginRight: 120,
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fontSize: 12,
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textAlign: "center"
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}}>{internal_to_time(i + 1)}</p></div>
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<div style={{
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borderBottom: "1px solid #363636",
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}}><p style={{
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color: "gray",
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marginTop: cellHeight - 3,
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marginRight: 120,
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fontSize: 12,
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textAlign: "center"
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}}>{internal_to_time(i + 1)}</p></div>
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<div style={{
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borderBottom: "1px solid #363636",
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}}><p style={{
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color: "gray",
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marginTop: cellHeight - 3,
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marginRight: 120,
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fontSize: 12,
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textAlign: "center"
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}}>{internal_to_time(i + 1)}</p></div>
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<div style={{
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borderBottom: "1px solid #363636",
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}}><p style={{
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color: "gray",
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marginTop: cellHeight - 3,
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marginRight: 120,
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fontSize: 12,
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textAlign: "center"
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}}>{internal_to_time(i + 1)}</p></div>
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</div>))}
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</div>
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</div>
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</div>
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</div>
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</div>
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)
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} |