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PR1-Spreadsheet
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Code Pull Requests Activity

UiLoop csv read und save

main
Jan 2024-01-07 18:58:12 +01:00
parent 883c36c929
commit d950b04be5
2 changed files with 73 additions and 11 deletions
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72
Axel/src/de/hs_mannheim/informatik/spreadsheet/Axel.java
View File

@ -1,5 +1,6 @@
package de.hs_mannheim.informatik.spreadsheet;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintWriter;
@ -14,18 +15,64 @@ public class Axel {
public static void main(String[] args) throws FileNotFoundException {
Spreadsheet spr = new Spreadsheet(10,6);
boolean UiLoop = true;
@SuppressWarnings("resource")
Scanner input = new Scanner(System.in);
String filePath = "Axel/resources/zahlen.csv";
spr.readCsv(filePath,"A3");
String filePath = "Axel/resources/";
System.out.println("Wilkommen zum coolsten Spreadsheet Programm der Welt!(Cooler als Devran Cakici´s 3009694)");
System.out.println("Was möchten sie machen?");
System.out.println("Schreibe 'stop' zum anhalten.");
do{
System.out.println("\n 1. Dokument öffnen");
System.out.println(" 2. Neues Dokument erstellen");
System.out.println(" 3. Programm schließen");
System.out.print("-> ");
String docSlct = input.nextLine();
switch(docSlct) {
case "1":
File folder = new File(filePath);
if (folder.exists() && folder.isDirectory()) {
File[] files = folder.listFiles((dir, name) -> name.toLowerCase().endsWith(".csv"));
if (files != null) {
System.out.println("\nWähle eine Datei aus: ");
System.out.println("");
for (int i = 0; i < files.length; i++) {
System.out.println(i+1 + ": " + files[i].getName());
}
System.out.println();
spr.readCsv(filePath+=files[Integer.parseInt(input.nextLine())-1].getName(),"");
} else {
System.out.println("Es wurden noch keine Datei angelegt.");
}
}else {
System.out.println("Ungültiges Verzeichnis oder Verzeichnis existiert nicht.");
System.out.println("Geben sie hier ihr verzeichnis ein in dem sie Arbeiten möchten: ");
filePath = input.nextLine();
}
break;
case "2":
System.out.println("Reihen: ");
int rows = Integer.parseInt(input.nextLine());
System.out.println("Spalten: ");
int cols = Integer.parseInt(input.nextLine());
spr.changeSize(rows, cols);
break;
case "3":
UiLoop = false;
break;
}
while(UiLoop){
String command = "";
String form = "";
String cell= "";
boolean cellTRUE = true;
System.out.println("Schreibe 'stop' zum anhalten.");
System.out.println(spr);
System.out.println("Befehl (z.B. D4_=7*6): ");
command = input.nextLine();
@ -47,16 +94,19 @@ public class Axel {
spr.put(cell, form);
}else if(command.matches("stop")){
break;
}else if(command.startsWith("save")){
String csvName=command.substring(5)+".csv";
String savePath = "Axel/resources/";
try (PrintWriter writer = new PrintWriter(new FileOutputStream(savePath+csvName))) {
spr.saveCsv(writer);
System.out.println("CSV file saved successfully.");
} catch (FileNotFoundException e) {
System.err.println("Error: " + e.getMessage());
}
break;
}else {
System.out.println("Die Eingabe war nicht korrekt. Die Tabelle bleibt auf folgendem stand:");
}
}while(true);
try (PrintWriter writer = new PrintWriter(new FileOutputStream(filePath))) {
spr.saveCsv(writer);
System.out.println("CSV file saved successfully.");
} catch (FileNotFoundException e) {
System.err.println("Error: " + e.getMessage());
}
}

12
Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
View File

@ -36,6 +36,18 @@ public class Spreadsheet {
for (int c = 0; c < colWithMax26; c++)
cells[r][c] = new Cell();
}
public void changeSize(int rows, int cols) {
cells = new Cell[0][0];
int rowWithMax99= Math.min(rows, 99);
int colWithMax26= Math.min(cols, 26);
cells = new Cell[rowWithMax99][colWithMax26];
for (int r = 0; r < rowWithMax99; r++)
for (int c = 0; c < colWithMax26; c++)
cells[r][c] = new Cell();
}
// -----
/*