Files
TIF22A_AnwProjekt_B/anwendung/src/components/CalenderView.jsx
T

349 lines
15 KiB
React

import {useEffect, useState} from "react";
import {CalenderEntry} from "@/components/CalenderEntry";
let entries = {mo: [], tu: [], we: [], th: [], fr: [], sa: []}
let grabbed = null;
let grabbedUp = false;
let mouseDown = false;
let selectedElement = null;
let selectedOffsetTop = 0;
let selectedOffsetBottom = 0;
let selectedListID = "";
const cellHeight = 25;
export default function CalenderView(p) {
const [t, setT] = useState(false)
useEffect(() => {
window.addEventListener("contextmenu", (e) => (e.preventDefault()))
})
function mouse_move(e) {
if (mouseDown) {
let y_window = e.clientY;
let y_target_offset = e.currentTarget.getBoundingClientRect().top;
let id = e.currentTarget.id;
let row = Math.floor((y_window - y_target_offset) / cellHeight) + 1
if (grabbed != null) {
if (row >= 0 && row <= 96) {
if (grabbedUp) {
if (row < grabbed.end_point - 1) {
grabbed.start_point = row;
}
} else {
if (row > grabbed.start_point) {
grabbed.end_point = row + 1;
}
}
}
} else if (selectedElement != null) {
if (selectedListID !== id) {
let index = -1;
let currentList = entries[selectedListID];
let temp = [];
for (let i = 0; i < currentList.length; i++) {
if (selectedElement !== currentList[i]) {
temp.push(currentList[i]);
}
}
entries[selectedListID] = temp;
entries[id].push(selectedElement);
selectedListID = id;
}
if (row - selectedOffsetTop > 0 && row + selectedOffsetBottom <= 97) {
selectedElement.start_point = row - selectedOffsetTop;
selectedElement.end_point = row + selectedOffsetBottom;
}
}
}
setT(!t);
}
function mouse_up(e) {
mouseDown = false;
let y_window = e.clientY;
let y_target_offset = e.currentTarget.getBoundingClientRect().top;
let row = Math.floor((y_window - y_target_offset) / cellHeight) + 1
let current_list = entries[e.currentTarget.id];
if (grabbed != null) {
grabbed = null;
}
if (selectedElement != null) {
selectedElement = null;
}
setT(!t);
}
function mouse_down(e) {
let y_window = e.clientY;
let y_target_offset = e.currentTarget.getBoundingClientRect().top;
let row = Math.floor((y_window - y_target_offset) / cellHeight) + 1;
let current_list = entries[e.currentTarget.id];
if (e.button === 2) {
let current = null;
for (let i = 0; i < current_list.length; i++) {
current = current_list[i];
if (current.start_point <= row && current.end_point >= row) {
break;
}
current = null;
}
if (current != null) {
let temp = []
for (let i = 0; i < current_list.length; i++) {
if (current_list[i] !== current) {
temp.push(current_list[i]);
}
}
entries[e.currentTarget.id] = temp;
}
} else {
mouseDown = true;
if (e.target.id === "grab") {
let entry = e.target.parentElement;
let rowStart = parseInt(window.getComputedStyle(entry).gridRowStart);
for (let i = 0; i < current_list.length; i++) {
let current = current_list[i];
if (current.start_point === row || current.end_point === row + 1) {
grabbed = current;
break;
}
}
if (row === rowStart) {
grabbedUp = true;
} else {
grabbedUp = false;
}
} else if (e.target.id === "entry") {
for (let i = 0; i < current_list.length; i++) {
let current = current_list[i];
if (current.start_point <= row && current.end_point >= row) {
selectedElement = current;
selectedListID = e.currentTarget.id;
break;
}
}
selectedOffsetTop = row - parseInt(window.getComputedStyle(e.target).gridRowStart);
selectedOffsetBottom = parseInt(window.getComputedStyle(e.target).gridRowEnd) - row;
} else {
if (row < 96) {
let free = true;
for (let i = 0; i < current_list.length; i++) {
let current = current_list[i];
for (let r = row; r < row + 2; r++) {
for (let s = current.start_point; s < current.end_point; s++) {
if (s === r) {
free = false;
break;
}
}
}
}
if (free) {
current_list.push(new CalenderEntry(row, row + 3));
setT(!t);
}
}
}
}
}
function internal_to_time(internal) {
internal -= 1
internal /= 4
let integer = Math.floor(internal)
let decimal = internal.toFixed(2);
let minutes = Math.floor((decimal - integer) * 60);
let minutes_string = minutes.toString().length === 1 ? "0" + minutes : minutes
return integer + ":" + minutes_string;
}
let temp = []
for (let i = 2; i <= 96; i += 2) {
temp.push(i);
}
return (
<div id={t} style={{border: "5px solid #363636", borderRadius: 10}}>
<div style={{backgroundColor: "#363636"}}>
<div className={"wochen-tag-container"}>
<div className={"wochen-tag font-big"}>Montag</div>
<div className={"wochen-tag font-big"}>Dienstag</div>
<div className={"wochen-tag font-big"}>Mittwoch</div>
<div className={"wochen-tag font-big"}>Donnerstag</div>
<div className={"wochen-tag font-big"}>Freitag</div>
<div className={"wochen-tag font-big"}>Samstag</div>
</div>
</div>
<div className={"calender-container"}>
<div className={"calender-view content"}>
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"mo"}>
{entries["mo"].map(d => (<div className={"entry"} style={{
width: "100%",
gridRowStart: d.start_point,
gridRowEnd: d.end_point,
gridColumnStart: 0,
gridColumnEnd: 0
}} id={"entry"}>
<div className={"resize-grab"} id={"grab"}></div>
<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
<p>{internal_to_time(d.start_point) + " - " + internal_to_time(d.end_point)}</p>
<p>Moduel etc.</p>
<p>Mehr Infos</p>
<p>Raum</p>
</div>
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"tu"}>
{entries["tu"].map(d => (<div className={"entry"} style={{
width: "100%",
gridRowStart: d.start_point,
gridRowEnd: d.end_point
}} id={"entry"}>
<div className={"resize-grab"} id={"grab"}></div>
<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
<p>{internal_to_time(d.start_point) + " - " + internal_to_time(d.end_point)}</p>
<p>Moduel etc.</p>
<p>Mehr Infos</p>
<p>Raum</p>
</div>
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"we"}>
{entries["we"].map(d => (<div className={"entry"} style={{
width: "100%",
gridRowStart: d.start_point,
gridRowEnd: d.end_point
}} id={"entry"}>
<div className={"resize-grab"} id={"grab"}></div>
<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
<p>{internal_to_time(d.start_point) + " - " + internal_to_time(d.end_point)}</p>
<p>Moduel etc.</p>
<p>Mehr Infos</p>
<p>Raum</p>
</div>
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"th"}>
{entries["th"].map(d => (<div className={"entry"} style={{
width: "100%",
gridRowStart: d.start_point,
gridRowEnd: d.end_point
}} id={"entry"}>
<div className={"resize-grab"} id={"grab"}></div>
<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
<p>{internal_to_time(d.start_point) + " - " + internal_to_time(d.end_point)}</p>
<p>Moduel etc.</p>
<p>Mehr Infos</p>
<p>Raum</p>
</div>
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"fr"}>
{entries["fr"].map(d => (<div className={"entry"} style={{
width: "100%",
gridRowStart: d.start_point,
gridRowEnd: d.end_point
}} id={"entry"}>
<div className={"resize-grab"} id={"grab"}></div>
<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
<p>{internal_to_time(d.start_point) + " - " + internal_to_time(d.end_point)}</p>
<p>Moduel etc.</p>
<p>Mehr Infos</p>
<p>Raum</p>
</div>
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"sa"}>
{entries["sa"].map(d => (<div className={"entry"} style={{
width: "100%",
gridRowStart: d.start_point,
gridRowEnd: d.end_point
}} id={"entry"}>
<div className={"resize-grab"} id={"grab"}></div>
<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
<p>{internal_to_time(d.start_point) + " - " + internal_to_time(d.end_point)}</p>
<p>Moduel etc.</p>
<p>Mehr Infos</p>
<p>Raum</p>
</div>
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
</div>
<div className={"overlay"} style={{backgroundColor: "rgba(0, 0, 0, 0)"}}>
{temp.map(i => (<div style={{
width: "100%",
height: cellHeight * 2,
borderBottom: "1px solid #363636",
display: "flex",
flexDirection: "row",
justifyContent: "space-around",
alignItems: "center",
}} className={"no-pointer-events"}>
<p style={{color: "gray", marginTop: 30, marginRight: 120, fontSize: 12, textAlign: "center"}}>{internal_to_time(i+1)}</p>
<p style={{color: "gray", marginTop: 30, marginRight: 120, fontSize: 12, textAlign: "center"}}>{internal_to_time(i+1)}</p>
<p style={{color: "gray", marginTop: 30, marginRight: 120, fontSize: 12, textAlign: "center"}}>{internal_to_time(i+1)}</p>
<p style={{color: "gray", marginTop: 30, marginRight: 120, fontSize: 12, textAlign: "center"}}>{internal_to_time(i+1)}</p>
<p style={{color: "gray", marginTop: 30, marginRight: 120, fontSize: 12, textAlign: "center"}}>{internal_to_time(i+1)}</p>
<p style={{color: "gray", marginTop: 30, marginRight: 120, fontSize: 12, textAlign: "center"}}>{internal_to_time(i+1)}</p>
</div>))}
</div>
</div>
</div>
)
}