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
020package org.crsh.text.ui;
021
022import org.crsh.text.LineRenderer;
023import org.crsh.text.Style;
024import org.crsh.util.CharSlicer;
025import org.crsh.util.Pair;
026
027public 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 LineRenderer renderer() {
078    return new LabelLineRenderer(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}