001 // This file is part of AceWiki. 002 // Copyright 2008-2012, AceWiki developers. 003 // 004 // AceWiki is free software: you can redistribute it and/or modify it under the terms of the GNU 005 // Lesser General Public License as published by the Free Software Foundation, either version 3 of 006 // the License, or (at your option) any later version. 007 // 008 // AceWiki is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 009 // even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 010 // Lesser General Public License for more details. 011 // 012 // You should have received a copy of the GNU Lesser General Public License along with AceWiki. If 013 // not, see http://www.gnu.org/licenses/. 014 015 package ch.uzh.ifi.attempto.echocomp; 016 017 import nextapp.echo.app.Alignment; 018 import nextapp.echo.app.Border; 019 import nextapp.echo.app.Button; 020 import nextapp.echo.app.Color; 021 import nextapp.echo.app.Extent; 022 import nextapp.echo.app.Font; 023 import nextapp.echo.app.Insets; 024 import nextapp.echo.app.event.ActionListener; 025 026 /** 027 * This is a convenience class for easy creation of buttons. 028 * 029 * @author Tobias Kuhn 030 */ 031 public class GeneralButton extends Button { 032 033 private static final long serialVersionUID = -1385798331737572623L; 034 035 /** 036 * Creates a new button. 037 * 038 * @param text The button text. 039 * @param width The button width. 040 * @param actionListener The action-listener of the button. 041 */ 042 public GeneralButton(String text, int width, ActionListener actionListener) { 043 super(text); 044 045 if (width > 0) {setBorder(new Border(1, Color.BLACK, Border.STYLE_OUTSET)); 046 setWidth(new Extent(width)); 047 } 048 setHeight(new Extent(17)); 049 setBackground(Style.mediumBackground); 050 setForeground(Style.darkForeground); 051 setBorder(new Border(1, Color.BLACK, Border.STYLE_OUTSET)); 052 setDisabledBackground(Style.lightDisabled); 053 setDisabledForeground(Style.darkDisabled); 054 setDisabledBorder(new Border(1, Style.darkDisabled, Border.STYLE_OUTSET)); 055 setRolloverEnabled(true); 056 setRolloverForeground(Style.lightForeground); 057 setRolloverBackground(Style.darkBackground); 058 setRolloverBorder(new Border(1, Color.BLACK, Border.STYLE_SOLID)); 059 setInsets(new Insets(2, 0)); 060 setAlignment(new Alignment(Alignment.CENTER, Alignment.CENTER)); 061 setTextAlignment(new Alignment(Alignment.CENTER, Alignment.CENTER)); 062 setFont(new Font(Style.fontTypeface, Font.ITALIC, new Extent(13))); 063 064 setActionCommand(text); 065 addActionListener(actionListener); 066 } 067 068 /** 069 * Creates a new button. 070 * 071 * @param text The button text. 072 * @param actionListener The action-listener of the button. 073 */ 074 public GeneralButton(String text, ActionListener actionListener) { 075 this(text, 0, actionListener); 076 } 077 078 public void setEnabled(boolean enabled) { 079 super.setEnabled(enabled); 080 081 // There seems to be a bug in Echo: the disabled background color is not displayed 082 // properly. This is a workaround for this Problem: 083 if (enabled) { 084 setBackground(Style.mediumBackground); 085 } else { 086 setBackground(null); 087 } 088 } 089 090 }