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PR1-Spreadsheet
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Kleines Menü erstellt 

Zeilen und Spaltenbegrenzung

csvReader erstellt

Summenformel und Produktformel erstellt. + Die Möglichkeit erstellt vorhandene Textdatei zu verändern und diese zu Speichern. Wird beim auslesen auch verändert ausgegeben.

Mittelwert Min und Max Methoden hinzugefügt
main
Sebastian Tews 2024-01-11 17:34:36 +01:00
parent 98942ba56d
commit 091418cbde
1 changed files with 65 additions and 6 deletions
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71
Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
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@ -153,18 +153,18 @@ public class Spreadsheet {
String formula = cells[row][col].getFormula();
String result = "";
if (formula.startsWith("SUMME(")) // e.g. SUMME(A3:A8)
if (formula.startsWith("SUMME(")) // e.g. SUMME(A3:A8)
result = "" + sum(formula.substring(6, 8), formula.substring(9, 11)); // TODO adapt to cells with two digits
else if (formula.startsWith("PRODUKT(")) // e.g. PRODUKT(A3:B9)
result = "" + multiplier(formula.substring(6, 8), formula.substring(9, 11)); // TODO
result = "" + multiplier(formula.substring(8, 10), formula.substring(11, 13)); // TODO
else if (formula.startsWith("MITTELWERT(")) // e.g. MITTELWERT(A3:A5)
result = "TODO"; // TODO
result = "" + mittelwert(formula.substring(11, 13), formula.substring(14, 16)); // TODO
else if (formula.startsWith("STABW(")) // e.g. STABW(C6:D8) -> Standardabweichung
result = "TODO"; // TODO
else if (formula.startsWith("MIN(")) // e.g. MIN(C13:H13) -> größter Wert
result = "TODO"; // TODO
result = "" + min(formula.substring(4, 6), formula.substring(7, 9)); // TODO
else if (formula.startsWith("MAX(")) // e.g. MAX(A1:A10) -> Standardabweichung
result = "TODO"; // TODO
result = "" + max(formula.substring(4, 6), formula.substring(7, 9)); // TODO
else if (!formula.isEmpty()) {
try {
result = "" + calculate(formula);
@ -175,7 +175,7 @@ public class Spreadsheet {
cells[row][col].setValue("" + result);
}
//substring start und ende auf die entsprechende Wortlänge bei der Bedingung anpassen
/**
* Method for calculating the sum 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.
@ -216,6 +216,65 @@ public class Spreadsheet {
return result;
}
private long mittelwert(String startCellName, String endCellName) {
int startRow = getRow(startCellName);
int startCol = getCol(startCellName);
int endRow = getRow(endCellName);
int endCol = getCol(endCellName);
int counter = 0;
long summe = 0;
long result = 0;
for (int i = startRow; i <= endRow; i++) {
for (int j = startCol; j <= endCol; j++) {
counter++;
summe += (Integer.parseInt(cells[i][j].getValue()));
}
}
result = summe / counter;
return result;
}
private long min(String startCellName, String endCellName) {
int startRow = getRow(startCellName);
int startCol = getCol(startCellName);
int endRow = getRow(endCellName);
int endCol = getCol(endCellName);
long result = 0;
for (int i = startRow; i <= endRow; i++) {
for (int j = startCol; j <= endCol; j++) {
result = (Integer.parseInt(cells[i][j].getValue()));
if(result > (Integer.parseInt(cells[i][j].getValue()))) {
result = (Integer.parseInt(cells[i][j].getValue()));
}
}
}
return result;
}
private long max(String startCellName, String endCellName) {
int startRow = getRow(startCellName);
int startCol = getCol(startCellName);
int endRow = getRow(endCellName);
int endCol = getCol(endCellName);
long result = 0;
for (int i = startRow; i <= endRow; i++) {
for (int j = startCol; j <= endCol; j++) {
if(result < (Integer.parseInt(cells[i][j].getValue()))) {
result = (Integer.parseInt(cells[i][j].getValue()));
}
}
}
return result;
}
// TODO implement