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Calender View documentation

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brausjonas
2023-05-06 15:15:18 +02:00
parent af5849affc
commit 49a53f3d05
5 changed files with 251 additions and 177 deletions
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anwendung/.idea/codeStyles/codeStyleConfig.xml
Generated
+5
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@@ -0,0 +1,5 @@
<component name="ProjectCodeStyleConfiguration">
<state>
<option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
</state>
</component>
anwendung/src/components/Button.jsx
+2 -1
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@@ -53,7 +53,8 @@ export default function Button(p) {
color: fontColor,
fontSize: font_size,
minWidth: width,
minHeight: height
minHeight: height,
textAlign: "center",
}}
onClick={onClick}>
{text}
anwendung/src/components/CalenderView.jsx
+212 -105
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@@ -2,161 +2,174 @@ import {useEffect, useState} from "react";
import {CalenderEntry} from "@/components/CalenderEntry";
import Button from "@/components/Button";
//all entries of the current week
let entries = {mo: [], tu: [], we: [], th: [], fr: [], sa: []}
//a variable that saves the currently grabbed resize bar
let grabbed = null;
let grabbedUp = false;
//a variable the saves if the mouse is pressed or not
let mouseDown = false;
//a variable that stores the currently grabbed element to move
let selectedElement = null;
//move offset from top row to cursor
let selectedOffsetTop = 0;
//move offset from bottom row to cursor
let selectedOffsetBottom = 0;
//the list, the grabbed element to move is currently in
let selectedListID = "";
//variable for the hight of one cell / row. Important for resizing the calender view
let cellHeight = 25;
export default function CalenderView(p) {
export default function CalenderView(p)
{
//state to update the calender view
const [t, setT] = useState(false)
useEffect(() => {
//a blocker for the right click context menu
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
//function to delete an elemente and resize the corresponding list in the entries dictionary
function delete_element(index, element)
{
let currentList = entries[index];
let temp = []
for (let i = 0; i < currentList.length; i++)
{
if (element !== currentList[i])
{
temp.push(currentList[i]);
}
}
entries[index] = temp;
}
if (grabbed != null) {
//resize a grabbed element to the row paramter
function size_grabbed(row)
{
if (row >= 0 && row <= 96)
{
if (grabbedUp)
{
if (row >= 0 && row <= 96) {
if (grabbedUp) {
if (row < grabbed.end_point - 1) {
if (row < grabbed.end_point - 1)
{
grabbed.start_point = row;
}
} else {
if (row > grabbed.start_point) {
} 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;
//moves the selected element to row and list with id
function move_selected(row, id)
{
if (selectedListID !== id)
{
delete_element(selectedListID, selectedElement);
entries[id].push(selectedElement);
selectedListID = id;
}
if (row - selectedOffsetTop > 0 && row + selectedOffsetBottom <= 97) {
if (row - selectedOffsetTop > 0 && row + selectedOffsetBottom <= 97)
{
selectedElement.start_point = row - selectedOffsetTop;
selectedElement.end_point = row + selectedOffsetBottom;
}
}
//routine, when mouse is moved
function mouse_move(e)
{
//checks if mouse is still down
if (mouseDown)
{
//get the y coordinate of the cursor
let y_window = e.clientY;
//get the offset to the calender view
let y_target_offset = e.currentTarget.getBoundingClientRect().top;
//get the id of the current column
let id = e.currentTarget.id;
//calcultes the current row the cursor hovers
let row = Math.floor((y_window - y_target_offset) / cellHeight) + 1
//if a edge of an element was grabbed, resize it
if (grabbed != null)
{
size_grabbed(row);
//if a whole element was grabbed, move it
} else if (selectedElement != null)
{
move_selected(row, id);
}
}
//update the calender view
setT(!t);
}
function mouse_up(e) {
//routine when mouse was released
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) {
//remove all selected elements
if (grabbed != null)
{
grabbed = null;
}
if (selectedElement != 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) {
//find the current element on row in the selected list (search_list)
function find_current(row, search_list)
{
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) {
for (let i = 0; i < search_list.length; i++)
{
current = search_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]);
}
return current;
}
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) {
//places a new entry to the calender
function place_new_entry(row, list)
{
if (row < 96)
{
let free = true;
for (let i = 0; i < current_list.length; i++) {
let current = current_list[i];
for (let i = 0; i < list.length; i++)
{
let 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) {
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;
}
@@ -164,16 +177,82 @@ export default function CalenderView(p) {
}
}
if (free) {
current_list.push(new CalenderEntry(row, row + 3));
if (free)
{
list.push(new CalenderEntry(row, row + 3));
setT(!t);
}
}
}
//routine when mouse was pressed
function mouse_down(e)
{
//get the cursors y coordinate in the window
let y_window = e.clientY;
//get the offset of the calender view
let y_target_offset = e.currentTarget.getBoundingClientRect().top;
//calculate the row clicked on
let row = Math.floor((y_window - y_target_offset) / cellHeight) + 1;
//get the list of entries clicked on
let current_list = entries[e.currentTarget.id];
//if right clicked
if (e.button === 2)
{
//if right clicked on an element / entry delete it
let current = find_current(row, current_list);
if (current != null)
{
delete_element(e.currentTarget.id, current);
}
}
else
{
mouseDown = true;
//if a resize bar was grabbed
if (e.target.id === "grab")
{
//get the entry the resize bar is child of
let entry = e.target.parentElement;
//get the startRow of the entry
let rowStart = parseInt(window.getComputedStyle(entry).gridRowStart);
grabbed = find_current(row, current_list);
//check if the upper or lower resize bar was grabbed
if (row === rowStart)
{
grabbedUp = true;
} else
{
grabbedUp = false;
}
}
//if a whole element was clicked to move
else if (e.target.id === "entry")
{
selectedListID = e.currentTarget.id;
selectedElement = find_current(row, current_list);
selectedOffsetTop = row - parseInt(window.getComputedStyle(e.target).gridRowStart);
selectedOffsetBottom = parseInt(window.getComputedStyle(e.target).gridRowEnd) - row;
}
//single click places a new entry
else
{
place_new_entry(row, current_list)
}
}
}
function internal_to_time(internal) {
//returns internal format (0 - 96) to a string
function internal_to_time(internal)
{
internal -= 1
internal /= 4
let integer = Math.floor(internal)
@@ -184,13 +263,22 @@ export default function CalenderView(p) {
}
let temp = []
for (let i = 2; i <= 96; i += 2) {
for (let i = 2; i <= 96; i += 2)
{
temp.push(i);
}
//html of the calender view
return (
<div style={{display: "flex", flexDirection: "row", justifyContent: "center", alignItems: "start"}}>
<Button text={"-"} fontSize={25} onClick={() => {if(cellHeight - 5 >= 10) cellHeight -= 5; setT(!t);}} width={50} height={50}/>
// calender outer container, contains the calender view and resize buttons
<div style={{display: "flex", flexDirection: "row", justifyContent: "center", alignItems: "center", gap: 5}}>
{/* resize butto*/}
<Button text={"-"} fontSize={25} onClick={() =>
{
if (cellHeight - 5 >= 10) cellHeight -= 5;
setT(!t);
}} width={50} height={50}/>
{/*shows the day over the columns*/}
<div id={t} style={{border: "5px solid #363636", borderRadius: 10}}>
<div style={{backgroundColor: "#363636"}}>
<div className={"wochen-tag-container"}>
@@ -202,14 +290,17 @@ export default function CalenderView(p) {
<div className={"wochen-tag font-big"}>Samstag</div>
</div>
</div>
{/*the viewport of the actual calender*/}
<div className={"calender-container"}>
<div className={"calender-view content"} style={{height: cellHeight * 96}}>
{/*the content of the calender (rows and columns)*/}
<div className={"calender-view content"} style={{height: cellHeight * 96 + 10}}>
{/*a row which contains all the entries of monday*/}
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"mo"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}>
{/*maps all monday entries to new visible div elements*/}
{entries["mo"].map(d => (<div className={"entry"} style={{
width: "100%",
gridRowStart: d.start_point,
@@ -217,16 +308,21 @@ export default function CalenderView(p) {
gridColumnStart: 0,
gridColumnEnd: 0,
}} id={"entry"}>
{/*content of the entry / element*/}
{/*upper resize bar*/}
<div className={"resize-grab"} id={"grab"}></div>
<div style={{maxHeight: "60%"}} className={"no-pointer-events"}>
{/*shows the time span of the entry*/}
<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>
{/*lower resize bar*/}
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
{/*same as monday*/}
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"tu"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}>
@@ -246,6 +342,7 @@ export default function CalenderView(p) {
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
{/*same as monday*/}
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"we"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}>
@@ -266,6 +363,7 @@ export default function CalenderView(p) {
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
{/*same as monday*/}
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"th"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}>
@@ -285,6 +383,7 @@ export default function CalenderView(p) {
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
{/*same as monday*/}
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"fr"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}>
@@ -304,6 +403,7 @@ export default function CalenderView(p) {
<div className={"resize-grab"} id={"grab"}></div>
</div>))}
</div>
{/*same as monday*/}
<div className={"spalte"} onMouseDown={mouse_down} onMouseUp={mouse_up} onMouseMove={mouse_move}
id={"sa"} style={{gridTemplateRows: `repeat(96, ${cellHeight}px)`}}>
@@ -325,7 +425,9 @@ export default function CalenderView(p) {
</div>
</div>
{/*overlay with timeline*/}
<div className={"overlay"} style={{backgroundColor: "rgba(0, 0, 0, 0)"}}>
{/*maps a list of internal time stamps to lines and time stamps*/}
{temp.map(i => (<div style={{
width: "100%",
height: cellHeight * 2,
@@ -384,7 +486,12 @@ export default function CalenderView(p) {
</div>
</div>
<Button text={"+"} fontSize={25} onClick={() => {cellHeight += 5; setT(!t)}} width={50} height={50}/>
{/*the second resize button*/}
<Button text={"+"} fontSize={25} onClick={() =>
{
cellHeight += 5;
setT(!t)
}} width={50} height={50}/>
</div>
)
}
anwendung/src/pages/index.js
-40
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@@ -19,46 +19,6 @@ export default function Home(p) {
<>
<div style={{height: 50}}></div>
<CalenderView/>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
<p>fdsfsdf</p>
</>
anwendung/src/styles/globals.css
+1
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@@ -224,6 +224,7 @@ Calender View
height: 60px;
width: 1000px;
gap: 5px;
padding: 0 0 5px 0;
background-color: #363636;
}