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PR1-Spreadsheet
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SUMME fertig

main
Dr.Janson 2024-01-06 15:26:14 +01:00
parent 98026d2e20
commit deabe361d4
1 changed files with 16 additions and 17 deletions
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33
Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
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@ -37,12 +37,10 @@ public class Spreadsheet {
private String get(int row, int col) {
return cells[row][col].getValue();
}
public String get(String cellName) {
cellName = cellName.toUpperCase();
return get(getRow(cellName), getCol(cellName));
}
private void put(int row, int col, String value) {
if (!value.startsWith("="))
cells[row][col].setValue(value);
@ -51,20 +49,16 @@ public class Spreadsheet {
evaluateCell(row, col);
}
}
public void put(String cellName, String value) {
cellName = cellName.toUpperCase();
put(getRow(cellName), getCol(cellName), value);
}
private int getCol(String cellName) {
return cellName.charAt(0) - 'A';
}
private int getRow(String cellName) {
return cellName.charAt(1) - '1';
}
// -----
// business logic
@ -114,19 +108,19 @@ public class Spreadsheet {
String formula = cells[row][col].getFormula();
String result = "";
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)
if (formula.startsWith("SUMME(")) { // e.g. SUMME(A3:A8)
result += sum(formula.substring(6, 8), formula.substring(9, 11));
}else if (formula.startsWith("PRODUKT(")) { // e.g. PRODUKT(A3:B9)
result = "TODO"; // TODO
else if (formula.startsWith("MITTELWERT(")) // e.g. MITTELWERT(A3:A5)
}else if (formula.startsWith("MITTELWERT(")) { // e.g. MITTELWERT(A3:A5)
result = "TODO"; // TODO
else if (formula.startsWith("STABW(")) // e.g. STABW(C6:D8) -> Standardabweichung
}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
}else if (formula.startsWith("MIN(")) {// e.g. MIN(C13:H13) -> größter Wert
result = "TODO"; // TODO
else if (formula.startsWith("MAX(")) // e.g. MAX(A1:A10) -> Standardabweichung
}else if (formula.startsWith("MAX(")) { // e.g. MAX(A1:A10) -> Standardabweichung
result = "TODO"; // TODO
else if (!formula.isEmpty()) {
}else if (!formula.isEmpty()) {
try {
result = "" + calculate(formula);
} catch(ArithmeticException ae) {
@ -144,9 +138,14 @@ public class Spreadsheet {
* @return The sum calculated.
*/
private long sum(String startCellName, String endCellName) {
// TODO implement
return 0;
long res = 0;
for(int j = getRow(startCellName); j< (getRow(endCellName)+1);j++){
for(int i = getCol(startCellName); i< (getCol(endCellName)+1);i++) {
if(!cells[j][i].getValue().isBlank())
res += Long.parseLong(cells[j][i].getValue());
}
}
return res;
}
/**