001 // This file is part of the Attempto Java Packages. 002 // Copyright 2008, Attempto Group, University of Zurich (see http://attempto.ifi.uzh.ch). 003 // 004 // The Attempto Java Packages is free software: you can redistribute it and/or modify it under the 005 // terms of the GNU Lesser General Public License as published by the Free Software Foundation, 006 // either version 3 of the License, or (at your option) any later version. 007 // 008 // The Attempto Java Packages is distributed in the hope that it will be useful, but WITHOUT ANY 009 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 010 // PURPOSE. See the GNU Lesser General Public License for more details. 011 // 012 // You should have received a copy of the GNU Lesser General Public License along with the Attempto 013 // Java Packages. If not, see http://www.gnu.org/licenses/. 014 015 package ch.uzh.ifi.attempto.preditor; 016 017 import ch.uzh.ifi.attempto.echocomp.Style; 018 import nextapp.echo2.app.Button; 019 import nextapp.echo2.app.Extent; 020 import nextapp.echo2.app.Font; 021 import nextapp.echo2.app.Insets; 022 023 /** 024 * This abstract class represents an item of a menu of the predictive editor. 025 * 026 * @author Tobias Kuhn 027 */ 028 public abstract class MenuItem extends Button implements Comparable<MenuItem> { 029 030 /** 031 * Initializes a new menu item. 032 */ 033 public MenuItem() { 034 setWidth(new Extent(146)); 035 setHeight(new Extent(15)); 036 setInsets(new Insets(2,0)); 037 setBackground(Style.mediumBackground); 038 setForeground(Style.darkForeground); 039 setRolloverEnabled(true); 040 setRolloverForeground(Style.lightForeground); 041 setRolloverBackground(Style.darkBackground); 042 setLineWrap(false); 043 setFont(new Font(Style.fontTypeface, Font.PLAIN, new Extent(12))); 044 } 045 046 public int compareTo(MenuItem m) { 047 String s1 = getText(); 048 String s2 = m.getText(); 049 050 if (this instanceof SpecialMenuItem && m instanceof SpecialMenuItem) { 051 return s1.compareToIgnoreCase(s2); 052 } else if (this instanceof SpecialMenuItem) { 053 return -1; 054 } else if (m instanceof SpecialMenuItem) { 055 return 1; 056 } 057 058 Integer i1 = null; 059 Integer i2 = null; 060 061 try { 062 i1 = Integer.parseInt(s1); 063 } catch (NumberFormatException ex) {} 064 try { 065 i2 = Integer.parseInt(s2); 066 } catch (NumberFormatException ex) {} 067 068 if (i1 == null && i2 == null) { 069 return s1.compareToIgnoreCase(s2); 070 } else if (i1 == null) { 071 return 1; 072 } else if (i2 == null) { 073 return -1; 074 } else { 075 return i1 - i2; 076 } 077 } 078 079 }