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1
33 package net.sf.jga.swing.spreadsheet;
34
35 import java.awt.Component  ;
36 import java.awt.Dimension ;
37 import java.awt.Point ;
38 import java.awt.event.MouseAdapter ;
39 import java.awt.event.MouseEvent ;
40 import java.io.IOException ;
41 import java.io.InputStream ;
42 import java.net.URL ;
43 import javax.swing.Icon ;
44 import javax.swing.JApplet ;
45 import javax.swing.JDesktopPane ;
46 import javax.swing.JMenuItem ;
47 import javax.swing.JOptionPane ;
48 import javax.swing.JPopupMenu ;
49 import javax.swing.JScrollPane ;
50 import javax.swing.UIManager ;
51 import net.sf.jga.fn.BinaryFunctor;
52 import net.sf.jga.fn.adaptor.ApplyBinary;
53 import net.sf.jga.fn.adaptor.ConstantBinary;
54 import net.sf.jga.fn.adaptor.Project1st;
55 import net.sf.jga.fn.adaptor.Project2nd;
56 import net.sf.jga.fn.property.ArrayUnary;
57 import net.sf.jga.fn.property.InvokeMethod;
58 import net.sf.jga.parser.FunctorParser;
59 import net.sf.jga.parser.ParseException;
60
61
67
68 public class Applet extends JApplet {
69
70 static final long serialVersionUID = 1879123030509834030L;
71
72 public Applet() {}
73
74 private Spreadsheet _sheet;
75 private JScrollPane _pane;
76 private JDesktopPane _desktop;
77
78
82 public void init() {
83 printStartupHeader();
84
85 _desktop = new JDesktopPane ();
86 setContentPane(_desktop);
87
88 _sheet = new Spreadsheet(16,16);
89 _sheet.setPreferredScrollableViewportSize(new Dimension (400,250));
90 _sheet.setEditableByDefault(true);
91 _sheet.setRowSelectionInterval(0,0);
92 _sheet.setColumnSelectionInterval(0,0);
93
94 Controller controller = new Controller(_sheet);
95
96 final JPopupMenu popupMenu = new JPopupMenu ("Popup Menu");
97 popupMenu.add(new JMenuItem (controller.getCellRenameCmd()));
98 popupMenu.add(new JMenuItem (controller.getCellFormatCmd()));
99 popupMenu.add(new JMenuItem (controller.getCellTypeCmd()));
100
101 _sheet.addMouseListener(new MouseAdapter () {
103 public void mousePressed(MouseEvent e) {
104 if (e.getButton() == e.BUTTON3) {
106 Spreadsheet sht = (Spreadsheet) e.getComponent();
107 Point p = e.getPoint();
108 int row = sht.rowAtPoint(p);
109 int col = sht.columnAtPoint(p);
110 sht.setRowSelectionInterval(row,row);
111 sht.setColumnSelectionInterval(col,col);
112
113 if (e.isPopupTrigger()) {
114 popupMenu.show(e.getComponent(), p.x, p.y);
115 }
116 }
117 }
118 public void mouseReleased(MouseEvent e) {
119 if (e.isPopupTrigger()) {
120 popupMenu.show(e.getComponent(), e.getX(), e.getY());
121 }
122 }
123 });
124
125
126 _pane = new JScrollPane (_sheet);
127 _desktop.add(_pane, javax.swing.JDesktopPane.DEFAULT_LAYER);
128
129
130 _sheet.setStatusHandler(new InvokeMethod(JApplet .class, "showStatus", String .class)
132 .bind1st(this).compose(new ArrayUnary()));
133
134 controller.setPromptFunctor(buildPromptFunctor());
135 controller.setErrorFunctor(buildErrorFunctor());
136
137 String doc = getParameter("worksheet");
138 if (doc != null) {
139 try {
140 URL docURL = new URL (getDocumentBase(), doc);
141 Object obj = docURL.getContent();
142 if (obj instanceof InputStream ) {
143 _sheet.readSpreadsheet((InputStream ) obj);
144 }
145 }
146 catch (IOException x) {
147 System.err.println(x.getMessage());
148 x.printStackTrace();
149 }
150 }
151 }
152
153
154 public void start() {
155 _pane.setBounds(_desktop.getBounds());
156 _pane.setVisible(true);
157 _sheet.requestFocusInWindow();
158 }
159
160
161 static private void printStartupHeader() {
162 System.out.println("");
163 System.out.println("/**");
164 System.out.println(" * A Java Hacker's Worksheet");
165 System.out.println(" * Copyright (c) 2004-2005 David A. Hall");
166 System.out.println(" */");
167 System.out.println("");
168 }
169
170 public BinaryFunctor<String ,String ,String > buildPromptFunctor() {
171
174 InvokeMethod<JOptionPane ,String > showInput =
175 new InvokeMethod<JOptionPane ,String >( JOptionPane .class, "showInternalInputDialog",
176 new Class []{Component .class,Object .class,String .class,
177 Integer.TYPE, Icon .class, Object [].class,
178 Object .class});
179
180 ApplyBinary<String ,String > sevenArgs =
181 new ApplyBinary<String ,String >(new BinaryFunctor[]
182 { new ConstantBinary<String ,String ,Component >(_desktop),
183 new Project1st<String ,String >(),
184 new ConstantBinary<String ,String ,String >(UIManager.getString("OptionPane.inputDialogTitle")),
185 new ConstantBinary<String ,String ,Integer >(JOptionPane.QUESTION_MESSAGE),
186 new ConstantBinary<String ,String ,Icon >(null),
187 new ConstantBinary<String ,String ,Object []>(null),
188 new Project2nd<String ,String >()
189 });
190
191 return showInput.bind1st(null).compose(sevenArgs);
192 }
193
194
195 public BinaryFunctor<String ,String ,?> buildErrorFunctor() {
196
199 InvokeMethod showError =
200 new InvokeMethod(JOptionPane .class, "showInternalMessageDialog",
201 new Class []{Component .class, Object .class, String .class, Integer.TYPE});
202
203 ApplyBinary<String ,String > fourArgs =
204 new ApplyBinary<String ,String >(new BinaryFunctor[]
205 { new ConstantBinary<String ,String ,Component >(_desktop),
206 new Project1st<String ,String >(),
207 new Project2nd<String ,String >(),
208 new ConstantBinary<String ,String ,Integer >(JOptionPane.ERROR_MESSAGE)
209 });
210
211 return showError.bind1st(null).compose(fourArgs);
212 }
213 }
214 |
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