forked from hummel/PR1-Spreadsheet
Adding saving of spreadsheets as CSV.
parent
a127ce585b
commit
a4e41180e1
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@ -1,5 +1,6 @@
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package de.hs_mannheim.informatik.spreadsheet;
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package de.hs_mannheim.informatik.spreadsheet;
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import java.io.FileNotFoundException;
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/**
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/**
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* Part of a simplified spreadsheet system for the PR1 programming lab at Hochschule Mannheim.
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* Part of a simplified spreadsheet system for the PR1 programming lab at Hochschule Mannheim.
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@ -8,7 +9,7 @@ package de.hs_mannheim.informatik.spreadsheet;
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*/
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*/
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public class Axel {
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public class Axel {
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public static void main(String[] args) {
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public static void main(String[] args) throws FileNotFoundException {
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Spreadsheet spr = new Spreadsheet(10,10);
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Spreadsheet spr = new Spreadsheet(10,10);
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spr.put("A3", "123");
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spr.put("A3", "123");
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@ -20,7 +21,9 @@ public class Axel {
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System.out.println(spr);
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System.out.println(spr);
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// TODO: You might want to put "UI loop" for entering value and formulas here.
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spr.saveCsv("/tmp/test.csv");
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// TODO: You might want to put "UI loop" for entering value and formulas here resp. in some UI methods.
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}
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}
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}
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}
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@ -2,6 +2,7 @@ package de.hs_mannheim.informatik.spreadsheet;
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import java.io.FileNotFoundException;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.regex.Matcher;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.regex.Pattern;
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@ -79,6 +80,31 @@ public class Spreadsheet {
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// TODO: implement this
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// TODO: implement this
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}
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}
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/**
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* A method for saving data to a CSV file.
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* @param path The file to write.
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* @return Nothing.
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* @exception IOException If path does not exist.
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*/
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public void saveCsv(String path) throws FileNotFoundException {
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PrintWriter out = new PrintWriter(path);
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for (Cell[] row : cells) {
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for (Cell cell : row) {
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if (!cell.getFormula().isEmpty())
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out.print("=" + cell.getFormula());
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else
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out.print(cell.getValue());
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if (cell != row[cells.length-1])
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out.print(",");
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}
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out.println();
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}
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out.close();
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}
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/**
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/**
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* This method does the actual evaluation/calcluation of a specific cell
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* This method does the actual evaluation/calcluation of a specific cell
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* @param cellName the name of the cell to be evaluated
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* @param cellName the name of the cell to be evaluated
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