001 /* 002 * Copyright (C) 2010 eXo Platform SAS. 003 * 004 * This is free software; you can redistribute it and/or modify it 005 * under the terms of the GNU Lesser General Public License as 006 * published by the Free Software Foundation; either version 2.1 of 007 * the License, or (at your option) any later version. 008 * 009 * This software is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * You should have received a copy of the GNU Lesser General Public 015 * License along with this software; if not, write to the Free 016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 018 */ 019 020 package org.crsh.shell.ui; 021 022 import org.crsh.shell.io.ShellWriter; 023 024 import java.io.IOException; 025 import java.util.ArrayList; 026 import java.util.Collections; 027 import java.util.List; 028 029 /** 030 * @author <a href="mailto:alain.defrance@exoplatform.com">Alain Defrance</a> 031 */ 032 public class TableElement extends Element { 033 034 /** . */ 035 public final int MARGIN = 5; 036 037 /** . */ 038 private List<RowElement> rows = new ArrayList<RowElement>(); 039 040 /** . */ 041 private List<Integer> colsSize = new ArrayList<Integer>(); 042 043 public TableElement addRow(RowElement row) { 044 rows.add(row); 045 return this; 046 } 047 048 @Override 049 void doPrint(UIWriterContext ctx, ShellWriter writer) throws IOException { 050 051 ctx = new UIWriterContext(ctx); 052 053 colsSize = computeColSize(ctx.getConsoleWidth()); 054 ctx.parentUIContext.pad(writer); 055 for (RowElement e : rows) { 056 e.print(ctx, writer); 057 } 058 059 ctx.pad(writer); 060 writer.append("\n"); 061 062 } 063 064 public List<RowElement> getRows() { 065 return rows; 066 } 067 068 public List<Integer> getColsSize() { 069 return Collections.unmodifiableList(colsSize); 070 } 071 072 private List<Integer> computeColSize(int consoleWidth) { 073 074 List<Integer> colsSize = new ArrayList<Integer>(); 075 076 int colSum = 0; 077 for (int i = 0; i < columnNumber(); ++i) { 078 int colSize = 0; 079 for (RowElement row : rows) { 080 colSize = Math.max(colSize, row.getValues().get(i).width() + MARGIN); 081 int missingSpace = (colSum + colSize) - consoleWidth; 082 if (missingSpace > 0) { 083 colSize -= missingSpace; 084 } 085 } 086 colsSize.add(colSize); 087 colSum += colSize; 088 } 089 090 return colsSize; 091 092 } 093 094 private int columnNumber() { 095 096 int n = 0; 097 098 for (RowElement row : rows) { 099 n = Math.max(n, row.getValues().size()); 100 } 101 102 return n; 103 104 } 105 106 @Override 107 int width() { 108 return 0; 109 } 110 }