hummel
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PR1-Spreadsheet
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vorheriges

ERANZER 2024-01-09 14:32:26 +01:00
parent 0a6ad90343
commit 7cf156f229
2 changed files with 40 additions and 26 deletions
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28
Axel/src/de/hs_mannheim/informatik/spreadsheet/Axel.java
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@ -13,18 +13,24 @@ public class Axel {
public static void main(String[] args) throws FileNotFoundException {
String cell, in;
int rows, cols;
Spreadsheet spr=new Spreadsheet(99,26);
Scanner kb = new Scanner(System.in);
System.out.print("Rows:");
rows=Integer.parseInt(kb.nextLine());
System.out.print("Cols:");
cols=Integer.parseInt(kb.nextLine());
Spreadsheet spr=new Spreadsheet(rows,cols);
//spr.put("A3", "3");
//spr.put("A2", "2");
spr.put("A1","=19+4");
spr.put("B9", "=41+A2");
spr.put("J5", "=7*6");
spr.put("J6", "=4/2");
System.out.printf("1. New\n"
+ "2. Load\n"
+ "Eingabe:");
in=kb.nextLine();
switch(in) {
case("1"):
System.out.print("Rows:");
rows=Integer.parseInt(kb.nextLine());
System.out.print("Cols:");
cols=Integer.parseInt(kb.nextLine());
spr=new Spreadsheet(rows,cols);
case("2"):
System.out.print("File Name:");
in=kb.nextLine();
spr.readCsv("tmp/"+in);
}
while(true) {
System.out.println(spr);

38
Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
View File

@ -1,8 +1,10 @@
package de.hs_mannheim.informatik.spreadsheet;
import java.io.FileNotFoundException;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -80,8 +82,18 @@ public class Spreadsheet {
* @return Nothing.
* @exception IOException If path does not exist.
*/
public void readCsv(String path, char separator, String startCellName) throws FileNotFoundException {
// TODO: implement this
public void readCsv(String path) throws FileNotFoundException {
Scanner file=new Scanner(new File(path));
String[] rowRead;
int row=0;
while(file.hasNextLine()) {
rowRead=file.nextLine().split(",");
for(int col=0;col<=rowRead.length-1;col++) {
put(row,col,rowRead[col]);
}
row++;
}
}
/**
@ -95,11 +107,7 @@ public class Spreadsheet {
for (Cell[] row : cells) {
for (Cell cell : row) {
if (!cell.getFormula().isEmpty())
out.print("=" + cell.getFormula());
else
out.print(cell.getValue());
out.print(cell.getValue());
if (cell != row[cells.length-1])
out.print(",");
}
@ -284,31 +292,31 @@ public class Spreadsheet {
switch(operation) {
case("+"):
res+=Integer.parseInt(get(s));
break;
break;
case("-"):
res-=Integer.parseInt(get(s));
break;
break;
case("*"):
res*=Integer.parseInt(get(s));
break;
break;
case("/"):
res/=Integer.parseInt(get(s));
break;
break;
}
}else {
switch(operation) {
case("+"):
res+=Integer.parseInt(s);
break;
break;
case("-"):
res-=Integer.parseInt(s);
break;
break;
case("*"):
res*=Integer.parseInt(s);
break;
break;
case("/"):
res/=Integer.parseInt(s);
break;
break;
}
}