001 /* 002 * Copyright (C) 2012 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.text.ui; 021 022 import org.crsh.text.Renderer; 023 import org.crsh.text.Style; 024 import org.crsh.util.CharSlicer; 025 import org.crsh.util.Pair; 026 027 public class LabelElement extends Element { 028 029 /** . */ 030 final String value; 031 032 /** . */ 033 final int minWidth; 034 035 /** . */ 036 final int actualWidth; 037 038 /** . */ 039 final int actualHeight; 040 041 /** . */ 042 final CharSlicer slicer; 043 044 public LabelElement(String value, int minWidth) { 045 if (minWidth < 0) { 046 throw new IllegalArgumentException("No negative min size allowed"); 047 } 048 049 // Determine size 050 CharSlicer slicer = new CharSlicer(value); 051 Pair<Integer, Integer> size = slicer.size(); 052 053 // 054 this.value = value; 055 this.minWidth = Math.min(size.getFirst(), minWidth); 056 this.actualWidth = size.getFirst(); 057 this.actualHeight = size.getSecond(); 058 this.slicer = slicer; 059 } 060 061 public LabelElement(String value) { 062 this(value, 1); 063 } 064 065 public LabelElement(Object value, int minWidth) { 066 this(String.valueOf(value), minWidth); 067 } 068 069 public LabelElement(Object value) { 070 this(String.valueOf(value)); 071 } 072 073 public String getValue() { 074 return value; 075 } 076 077 public Renderer renderer() { 078 return new LabelRenderer(this); 079 } 080 081 @Override 082 public String toString() { 083 return "Label[" + value + "]"; 084 } 085 086 @Override 087 public LabelElement style(Style.Composite style) { 088 return (LabelElement)super.style(style); 089 } 090 }