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 }