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PR1-Spreadsheet
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//added javadoc comments

main
Emelie Schneider 2024-01-07 12:18:42 +01:00
parent 75dec01910
commit 1d841fd7be
2 changed files with 107 additions and 37 deletions
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9
Axel/src/de/hs_mannheim/informatik/spreadsheet/Axel.java
View File

@ -12,7 +12,7 @@ import java.util.Scanner;
public class Axel {
public static void main(String[] args) throws FileNotFoundException {
Spreadsheet spr = new Spreadsheet(10,10);
Spreadsheet spr = new Spreadsheet(10,20);
Scanner sc= new Scanner(System.in);
@ -62,10 +62,11 @@ public class Axel {
System.out.println(spr);
System.out.println();
// System.out.println("Exit? j/n");
// readInput= sc.nextLine();
System.out.println("Exit? y/n");
if(readInput.equals("j"))
readInput= sc.nextLine();
if(readInput.equals("y")||readInput.equals("Y"))
exit=true;
}

133
Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
View File

@ -1,12 +1,14 @@
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.regex.Matcher;
import java.util.regex.Pattern;
import java.util.ArrayList;
import java.util.Scanner;
/**
* A simplified spreadsheet class for the PR1 programming lab at Hochschule Mannheim.
@ -89,8 +91,49 @@ 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 filePath, String separator, String startCellName) throws FileNotFoundException {
ArrayList<String> fileRows = new ArrayList<>();
Scanner sc = new Scanner(new File(filePath));
/* while (sc.hasNextLine()) {
fileRows.add(sc.nextLine());
}
ArrayList <int[]> formulas = new ArrayList<>();
for (int rowI = 0; rowI < fileRows.size(); rowI++) {
String row = fileRows.get(rowI);
String[] cells = row.split(separator);
for (int colI = 0; colI < cells.length; colI++) {
String cellContent = cells[colI].toUpperCase();
if (cellContent.startsWith("=")){
formulas.add(new int[]{rowI, colI});
}
else {
put(rowI, colI, cellContent);
}
}
}
for (int[] formulaPos : formulas){
int rowI = formulaPos[0];
int colI = formulaPos[1];
System.out.printf("Formula at %d-%d %n", rowI, colI);
String row = fileRows.get(rowI);
String formulaToFill = row.split(separator)[colI];
put(rowI, colI, formulaToFill);
}
sc.close();
*/
}
/**
@ -109,7 +152,7 @@ public class Spreadsheet {
else
out.print(cell.getValue());
if (cell != row[cells.length-1])
if (cell != row[cells[0].length-1])
out.print(",");
}
out.println();
@ -188,6 +231,13 @@ public class Spreadsheet {
return sum;
}
/**
* Method for calculating the product of a rectangular block of cells, such as from A1 to B3.
* @param startCellName The name of the cell in the upper left corner of the rectangle.
* @param endCellName The name of the cell in the lower right corner ofODO the rectangle.
* @return The product calculated.
*/
private long prod(String startCellName, String endCellName) {
int startRow=0;
@ -214,17 +264,25 @@ public class Spreadsheet {
return prod;
}
private int average(String startCellName, String endCellName) {
/**
* Method for calculating the average of a rectangular block of cells, such as from A1 to B3.
* @param startCellName The name of the cell in the upper left corner of the rectangle.
* @param endCellName The name of the cell in the lower right corner ofODO the rectangle.
* @return The average calculated.
*/
private long average(String startCellName, String endCellName) {
int startRow=0;
int startCol=0;
int endRow=0;
int endCol;
int sum=0;
int temp;
long sum=0;
long temp;
int part=0;
int avg=0;;
long avg=0;;
startRow= getRow(startCellName);
startCol= getCol(startCellName);
@ -245,7 +303,12 @@ public class Spreadsheet {
return avg;
}
//Method to calculate the minimum
/**
* Method for calculating the minimum of a rectangular block of cells
* @param startCellName The name of the cell in the upper left corner of the rectangle.
* @param endCellName The name of the cell in the lower right corner ofODO the rectangle.
* @return The minimum.
*/
private int min(String startCellName, String endCellName) {
int startRow=0;
@ -279,7 +342,12 @@ public class Spreadsheet {
}
//calculate maximum
/**
* Method for calculating the maximum of a rectangular block of cells
* @param startCellName The name of the cell in the upper left corner of the rectangle.
* @param endCellName The name of the cell in the lower right corner ofODO the rectangle.
* @return The maximum.
*/
private int max(String startCellName, String endCellName) {
int startRow=0;
@ -311,18 +379,24 @@ public class Spreadsheet {
return max;
}
/**
* Method for calculating the standard deviation of a rectangular block of cells
* @param startCellName The name of the cell in the upper left corner of the rectangle.
* @param endCellName The name of the cell in the lower right corner ofODO the rectangle.
* @return The standard deviation calculated.
*/
private int stDev(String startCellName, String endCellName) {
private long stDev(String startCellName, String endCellName) {
int startRow=0;
int startCol=0;
int endRow=0;
int endCol;
int temp;
long temp;
int part=0;
int avg=0;;
int dev=0;
long avg=0;;
long dev=0;
startRow= getRow(startCellName);
@ -330,7 +404,7 @@ public class Spreadsheet {
endRow= getRow(endCellName);
endCol= getCol(endCellName);
ArrayList<Integer> elements = new ArrayList<>();
ArrayList<Long> elements = new ArrayList<>();
avg= average(startCellName, endCellName);
@ -382,7 +456,7 @@ public class Spreadsheet {
int cnt=0;
// TODO implement
// uncomment the following to see an example how the elements of a formula can be accessed
while (m.find()) { // m.find() must always be used before m.group()
String s = m.group();
@ -449,7 +523,7 @@ public class Spreadsheet {
StringBuilder sb = new StringBuilder();
sb.append(" ");
for (int i = 0; i < cells.length; i++) {
for (int i = 0; i < cells[0].length; i++) {
sb.append(" " + (char)('A'+ i) + " | ");
}
@ -467,8 +541,12 @@ public class Spreadsheet {
}
/**
* Method to get the correct start cell name if it has more then 1 digit
* @param formula The formula in the cell
* @return name of the startCell
*/
//methods to get correct cell names if they have more then 1 digit
public String getStartCellName(String formula) {
@ -488,18 +566,19 @@ public class Spreadsheet {
startCell=formula.substring(a+1, a+4);
}else startCell=formula.substring(a+1, a+3);
//try to get the cell name for each formula not only SUMS
/* if(Character.isDigit(formula.charAt(8))) {
startCell= formula.substring(6, 9);
}else startCell= formula.substring(6, 8);
*/
System.out.println(startCell);
return startCell;
}
/**
* Method to get the correct end cell name if it has more then 1 digit
* @param formula The formula in the cell
* @return name of the endCell
*/
public String getEndCellName(String formula) {
String endCell="";
@ -526,16 +605,6 @@ public class Spreadsheet {
System.out.println(endCell);
/* if(Character.isDigit(formula.charAt(8))) {
if(Character.isDigit(formula.charAt(12))) {
endCell=formula.substring(10,13);
}else endCell=formula.substring(10,12);
}else {
if(Character.isDigit(formula.charAt(11))) {
endCell=formula.substring(9,12);
}else endCell=formula.substring(9,11);
} */
return endCell;
}