/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2015 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.syncany.cli.util;
import java.util.List;
import org.syncany.util.StringUtil;
public class CliTableUtil {
public static void printTable(CarriageReturnPrinter out, List<String[]> tableValues, String noRowsMessage) {
if (tableValues.size() > 0) {
Integer[] tableColumnWidths = calculateColumnWidths(tableValues);
String tableRowFormat = "%-" + StringUtil.join(tableColumnWidths, "s | %-") + "s\n";
printTableHeader(out, tableValues.get(0), tableRowFormat, tableColumnWidths);
if (tableValues.size() > 1) {
printTableBody(out, tableValues, tableRowFormat, tableColumnWidths);
}
else {
out.println(noRowsMessage);
}
}
}
private static void printTableBody(CarriageReturnPrinter out, List<String[]> tableValues, String tableRowFormat, Integer[] tableColumnWidths) {
for (int i = 1; i < tableValues.size(); i++) {
out.printf(tableRowFormat, (Object[]) tableValues.get(i));
}
}
private static void printTableHeader(CarriageReturnPrinter out, String[] tableHeader, String tableRowFormat, Integer[] tableColumnWidths) {
out.printf(tableRowFormat, (Object[]) tableHeader);
for (int i = 0; i < tableColumnWidths.length; i++) {
if (i > 0) {
out.print("-");
}
for (int j = 0; j < tableColumnWidths[i]; j++) {
out.print("-");
}
if (i < tableColumnWidths.length - 1) {
out.print("-");
out.print("+");
}
}
out.println();
}
private static Integer[] calculateColumnWidths(List<String[]> tableValues) {
Integer[] tableColumnWidths = new Integer[tableValues.get(0).length];
for (String[] tableRow : tableValues) {
for (int i = 0; i < tableRow.length; i++) {
if (tableColumnWidths[i] == null || (tableRow[i] != null && tableColumnWidths[i] < tableRow[i].length())) {
tableColumnWidths[i] = tableRow[i].length();
}
}
}
return tableColumnWidths;
}
}