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.echocomp;
016    
017    import nextapp.echo2.app.Alignment;
018    import nextapp.echo2.app.Column;
019    import nextapp.echo2.app.Extent;
020    import nextapp.echo2.app.Font;
021    import nextapp.echo2.app.Grid;
022    import nextapp.echo2.app.Insets;
023    import nextapp.echo2.app.ResourceImageReference;
024    import nextapp.echo2.app.Row;
025    import nextapp.echo2.app.event.ActionEvent;
026    import nextapp.echo2.app.event.ActionListener;
027    import nextapp.echo2.app.layout.GridLayoutData;
028    
029    /**
030     * This is a convenience class for easy creation of message windows.
031     * 
032     * @author Tobias Kuhn
033     */
034    public class MessageWindow extends WindowPane implements ActionListener {
035            
036            private static final long serialVersionUID = -6999194368016297503L;
037            
038            private ActionListener actionListener;
039    
040            /**
041             * Creates a new message window.
042             * 
043             * @param title The title of the window.
044             * @param image The image to be displayed above the text.
045             * @param message The message text.
046             * @param parent The parent window.
047             * @param actionListener The action-listener.
048             * @param options A list of options each represented by a button in the message window.
049             */
050            public MessageWindow(String title, ResourceImageReference image, String message, WindowPane parent, ActionListener actionListener, String... options) {
051                    this.actionListener = actionListener;
052                    setTitle(title);
053                    setTitleFont(new Font(Style.fontTypeface, Font.ITALIC, new Extent(13)));
054                    setModal(true);
055                    setWidth(new Extent(400));
056                    setHeight(new Extent(165));
057                    setResizable(false);
058                    setMovable(true);
059                    setTitleBackground(Style.windowTitleBackground);
060                    setStyleName("Default");
061                    
062                    Grid grid = new Grid(1);
063                    grid.setInsets(new Insets(10, 10, 10, 0));
064                    grid.setColumnWidth(0, new Extent(380));
065                    grid.setRowHeight(0, new Extent(70));
066                    
067                    Column iconMessageColumn = new Column();
068                    GridLayoutData layout1 = new GridLayoutData();
069                    layout1.setAlignment(new Alignment(Alignment.LEFT, Alignment.TOP));
070                    iconMessageColumn.setLayoutData(layout1);
071                    
072                    if (image != null) {
073                            iconMessageColumn.add(new Label(image));
074                            iconMessageColumn.add(new VSpace(5));
075                    }
076                    
077                    Label label = new Label(message);
078                    label.setFont(new Font(Style.fontTypeface, Font.ITALIC, new Extent(13)));
079                    iconMessageColumn.add(label);
080                    grid.add(iconMessageColumn);
081    
082                    Row buttonBar = new Row();
083                    buttonBar.setCellSpacing(new Extent(10));
084                    for (String s : options) {
085                            buttonBar.add(new GeneralButton(s, 70, this));
086                    }
087                    GridLayoutData layout2 = new GridLayoutData();
088                    layout2.setAlignment(new Alignment(Alignment.CENTER, Alignment.BOTTOM));
089                    buttonBar.setLayoutData(layout2);
090                    grid.add(buttonBar);
091                    
092                    add(grid);
093                    
094                    if (parent != null) {
095                            setPositionX(new Extent(parent.getPositionX().getValue() + (parent.getWidth().getValue() - getWidth().getValue())/2));
096                            setPositionY(new Extent(parent.getPositionY().getValue() + (parent.getHeight().getValue() - getHeight().getValue())/2));
097                    }
098            }
099            
100            /**
101             * Creates a new message window.
102             * 
103             * @param title The title of the window.
104             * @param message The message text.
105             * @param parent The parent window.
106             * @param actionListener The action-listener.
107             * @param options A list of options each represented by a button in the message window.
108             */
109            public MessageWindow(String title, String message, WindowPane parent, ActionListener actionListener, String... options) {
110                    this(title, null, message, parent, actionListener, options);
111            }
112            
113            /**
114             * Creates a new message window.
115             * 
116             * @param title The title of the window.
117             * @param message The message text.
118             * @param parent The parent window.
119             * @param options A list of options each represented by a button in the message window.
120             */
121            public MessageWindow(String title, String message, WindowPane parent, String... options) {
122                    this(title, null, message, parent, null, options);
123            }
124            
125            /**
126             * Creates a new message window.
127             * 
128             * @param title The title of the window.
129             * @param message The message text.
130             * @param options A list of options each represented by a button in the message window.
131             */
132            public MessageWindow(String title, String message, String... options) {
133                    this(title, null, message, null, null, options);
134            }
135            
136            public void actionPerformed(ActionEvent e) {
137                    setVisible(false);
138                    if (actionListener != null) {
139                            actionListener.actionPerformed(new ActionEvent(this, e.getActionCommand()));
140                    }
141            }
142    
143    }