Source Code Cross Referenced for BarFactory.java in  » Database-ORM » tro-community-7.2-1 » discRack » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » tro community 7.2 1 » discRack 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package discRack;
002:
003:        import java.awt.*;
004:        import java.awt.event.*;
005:        import java.beans.*;
006:        import java.net.URL;
007:        import java.util.*;
008:        import java.io.*;
009:
010:        import javax.swing.*;
011:        import javax.swing.undo.*;
012:        import javax.swing.event.*;
013:        import javax.swing.tree.*;
014:
015:        /**
016:         * Implements the static methods that are used to implement
017:         * multilanguage support, and to create some resources as
018:         * menubar, toolbars and button panels.
019:         *
020:         * @author Sasa Bojanic
021:         * @version 1.0
022:         */
023:        public class BarFactory extends JPanel {
024:            /** Suffix applied to the key used in resource file lookups for an image. */
025:            public static final String imageSuffix = "Image";
026:            /** Suffix applied to the key used in resource file lookups for a label. */
027:            public static final String labelSuffix = "Label";
028:            /** Suffix applied to the key used in resource file lookups for an action. */
029:            public static final String actionSuffix = "Action";
030:            /** Suffix applied to the key used in resource file lookups for a submenu. */
031:            public static final String menuSuffix = "Menu";
032:            /** Suffix applied to the key used in resource file lookups for a menuitem (instead of action). */
033:            public static final String accelSuffix = "Accel";
034:            /** Suffix applied to the key used in resource file lookups for a menuitem (instead of action) */
035:            public static final String mnemonicSuffix = "Mnemonic";
036:            /** Suffix applied to the key used in resource file lookups for tooltip text. */
037:            public static final String tipSuffix = "Tooltip";
038:
039:            //********************** CREATE TOOLBARS AND THEIR COMPONENTS *****************
040:            /**
041:             * Creates application's toolbars. Reads resource to find out which
042:             * toolbars to create. The toolbars are put into the tabbed pane.
043:             * NOTE: this method is modified to accept a creation of a button
044:             * after toolbars.
045:             * @see #createToolbar
046:             */
047:            public static Component createToolBars(String toolbarToLoad,
048:                    Map actions) {
049:                String[] toolBars = Utils.tokenize(ResourceManager
050:                        .getResourceString(toolbarToLoad), " ");
051:                JPanel lastPanel = new JPanel();
052:                lastPanel.setLayout(new BorderLayout());
053:                JTabbedPane tabbedPane = new JTabbedPane();
054:                int i;
055:                for (i = 0; i < toolBars.length; i++) {
056:                    // if I found "-" it means that button will be created
057:                    if (!toolBars[i].equals("-")) {
058:                        String label = ResourceManager
059:                                .getResourceString(toolBars[i] + labelSuffix);
060:                        final JPanel panel = new JPanel();
061:                        panel.setLayout(new BorderLayout());
062:                        final Component c = createToolbar(toolBars[i], actions);
063:                        panel.add(BorderLayout.WEST, c);
064:                        panel.add(c);
065:                        ImageIcon icon = null;
066:                        URL url = ResourceManager.getResource(toolBars[i]
067:                                + imageSuffix);
068:                        if (url != null) {
069:                            icon = new ImageIcon(url);
070:                        }
071:                        tabbedPane.addTab(label, icon, panel, label);
072:                    } else {
073:                        break;
074:                    }
075:                }
076:                tabbedPane.setPreferredSize(new Dimension(500, 60));
077:                tabbedPane.setSelectedIndex(i - 1);
078:
079:                lastPanel.add(BorderLayout.WEST, tabbedPane);
080:                if (i < toolBars.length - 1) {
081:                    Component c = createButton(toolBars[i + 1], actions, false);
082:                    lastPanel.add(BorderLayout.EAST, c);
083:                }
084:
085:                return lastPanel;
086:            }
087:
088:            /**
089:             * Create the toolbar. By default this reads the
090:             * resource file for the definition of the toolbar.
091:             * @see #createButton
092:             */
093:            public static Component createToolbar(String key, Map actions) {
094:                String label = ResourceManager.getResourceString(key
095:                        + labelSuffix);
096:                JToolBar toolbar = new JToolBar(label);
097:                toolbar.putClientProperty("JToolBar.isRollover", Boolean.TRUE);
098:                toolbar.setFloatable(false);
099:                String[] toolKeys = Utils.tokenize(ResourceManager
100:                        .getResourceString(key), " ");
101:                for (int i = 0; i < toolKeys.length; i++) {
102:                    if (toolKeys[i].equals("-")) {
103:                        toolbar.add(Box.createHorizontalStrut(10));
104:                    } else {
105:                        toolbar.add(createButton(toolKeys[i], actions, false));
106:                    }
107:                }
108:                toolbar.add(Box.createHorizontalGlue());
109:                return toolbar;
110:            }
111:
112:            /**
113:             * Hook through which every toolbar item is created.
114:             * Creates a button to go inside of the toolbar.  By default this
115:             * will load an image resource. The image filename is relative to
116:             * the classpath (including the '.' directory if its a part of the
117:             * classpath), and may either be in a JAR file or a separate file.
118:             *
119:             * @param key The key in the resource file to serve as the basis
120:             *  of lookups.
121:             */
122:            public static Component createButton(String key, Map actions,
123:                    boolean setText) {
124:                AbstractButton b = null;
125:                URL url = ResourceManager.getResource(key + imageSuffix);
126:                if (url != null) {
127:                    b = new JButton(new ImageIcon(url)) {
128:                        public float getAlignmentY() {
129:                            return 0.5f;
130:                        }
131:                    };
132:                    if (setText) {
133:                        b.setText(ResourceManager.getResourceString(key
134:                                + labelSuffix));
135:                    }
136:                } else {
137:                    b = new JButton(ResourceManager.getResourceString(key
138:                            + labelSuffix)) {
139:                        public float getAlignmentY() {
140:                            return 0.5f;
141:                        }
142:                    };
143:                }
144:
145:                b.setMargin(new Insets(1, 1, 1, 1));
146:                b.setRequestFocusEnabled(false);
147:
148:                String astr = ResourceManager.getResourceString(key
149:                        + actionSuffix);
150:                if (astr == null) {
151:                    astr = key;
152:                }
153:                Action a = (Action) actions.get(astr);
154:                if (a != null) {
155:                    b.setActionCommand(astr);
156:                    b.addActionListener(a);
157:                    a.addPropertyChangeListener(createActionChangeListener(b));
158:                    b.setEnabled(a.isEnabled());
159:                } else {
160:                    b.setEnabled(false);
161:                }
162:
163:                String tip = ResourceManager.getResourceString(key + tipSuffix);
164:                if (tip != null) {
165:                    b.setToolTipText(tip);
166:                }
167:                return b;
168:
169:            }
170:
171:            //********************* CREATING MENUBAR AND IT'S COMPONENTS ******************
172:            /**
173:             * Create the menubar for the app.  By default this pulls the
174:             * definition of the menu from the associated resource file.
175:             */
176:            public static JMenuBar createMenubar(String menubarToLoad,
177:                    Map actions) {
178:                JMenuItem mi;
179:                JMenuBar mb = new JMenuBar();
180:
181:                String[] menuKeys = Utils.tokenize(ResourceManager
182:                        .getResourceString(menubarToLoad), " ");
183:                for (int i = 0; i < menuKeys.length; i++) {
184:                    String[] itemKeys = Utils.tokenize(ResourceManager
185:                            .getResourceString(menuKeys[i]), " ");
186:                    JMenu m = createMenu(menuKeys[i], itemKeys, actions);
187:                    if (m != null) {
188:                        mb.add(m);
189:                    }
190:                }
191:
192:                return mb;
193:            }
194:
195:            /**
196:             * Create a menu for the app.
197:             */
198:            public static JMenu createMenu(String key, String[] itemKeys,
199:                    Map actions) {
200:                JMenu menu = new JMenu(ResourceManager.getResourceString(key
201:                        + labelSuffix));
202:                for (int i = 0; i < itemKeys.length; i++) {
203:                    if (itemKeys[i].equals("-")) {
204:                        menu.addSeparator();
205:                    } else {
206:                        JMenuItem mi = createMenuItem(itemKeys[i], actions);
207:                        menu.add(mi);
208:                    }
209:                }
210:                URL url = ResourceManager.getResource(key + imageSuffix);
211:                if (url != null) {
212:                    menu.setHorizontalTextPosition(JButton.RIGHT);
213:                    menu.setIcon(new ImageIcon(url));
214:                }
215:
216:                setMnemonic(menu, ResourceManager.getResourceString(key
217:                        + mnemonicSuffix));
218:
219:                menu.setActionCommand(key);
220:                return menu;
221:            }
222:
223:            /**
224:             * This is the hook through which all menu items are
225:             * created.
226:             */
227:            public static JMenuItem createMenuItem(String cmd, Map actions) {
228:                String subMenu = ResourceManager.getResourceString(cmd
229:                        + menuSuffix);
230:                if (subMenu != null) {
231:                    String[] itemKeys = Utils.tokenize(subMenu, " ");
232:                    JMenu mn = createMenu(cmd, itemKeys, actions);
233:                    return mn;
234:                } else {
235:                    JMenuItem mi;
236:                    mi = new JMenuItem(ResourceManager.getResourceString(cmd
237:                            + labelSuffix));
238:                    URL url = ResourceManager.getResource(cmd + imageSuffix);
239:                    if (url != null) {
240:                        mi.setHorizontalTextPosition(JButton.RIGHT);
241:                        mi.setIcon(new ImageIcon(url));
242:                    }
243:                    setAccelerator(mi, ResourceManager.getResourceString(cmd
244:                            + accelSuffix));
245:                    setMnemonic(mi, ResourceManager.getResourceString(cmd
246:                            + mnemonicSuffix));
247:
248:                    String astr = ResourceManager.getResourceString(cmd
249:                            + actionSuffix);
250:                    if (astr == null) {
251:                        astr = cmd;
252:                    }
253:                    mi.setActionCommand(astr);
254:                    Action a = (Action) actions.get(astr);
255:                    if (a != null) {
256:                        mi.addActionListener(a);
257:                        a
258:                                .addPropertyChangeListener(createActionChangeListener(mi));
259:                        mi.setEnabled(a.isEnabled());
260:                    }
261:                    return mi;
262:                }
263:            }
264:
265:            public static void setMnemonic(JMenuItem mi, String mnemonic) {
266:                if (mnemonic != null && mnemonic.length() > 0) {
267:                    mi.setMnemonic(mnemonic.charAt(0));
268:                }
269:            }
270:
271:            public static void setAccelerator(JMenuItem mi, String accel) {
272:                if (accel != null) {
273:                    try {
274:                        int mask = 0;
275:                        if (accel.startsWith("CTRL")) {
276:                            mask += ActionEvent.CTRL_MASK;
277:                            accel = accel.substring(5);
278:                        }
279:                        if (accel.startsWith("SHIFT")) {
280:                            mask += ActionEvent.SHIFT_MASK;
281:                            accel = accel.substring(6);
282:                        }
283:                        if (accel.startsWith("ALT")) {
284:                            mask += ActionEvent.ALT_MASK;
285:                            accel = accel.substring(4);
286:                        }
287:                        int key = KeyEvent.class.getField("VK_" + accel)
288:                                .getInt(null);
289:                        mi.setAccelerator(KeyStroke.getKeyStroke(key, mask));
290:                    } catch (Exception e) {
291:                        System.err
292:                                .println("Error while assigning accelerator !!!");
293:                    }
294:                }
295:            }
296:
297:            //********************* CREATING BUTTONPANEL ******************
298:            /**
299:             * Create the button panel. By default this reads the
300:             * resource file for the definition of the panel.
301:             */
302:            public static Component createButtonPanel(String key, Map actions) {
303:                String label = ResourceManager.getResourceString(key
304:                        + labelSuffix);
305:                JPanel p = new JPanel();
306:                String[] buttonKeys = Utils.tokenize(ResourceManager
307:                        .getResourceString(key), " ");
308:                for (int i = 0; i < buttonKeys.length; i++) {
309:                    if (buttonKeys[i].equals("-")) {
310:                        p.add(Box.createHorizontalStrut(5));
311:                    } else {
312:                        p.add(createButton(buttonKeys[i], actions, true));
313:                    }
314:                }
315:                return p;
316:            }
317:
318:            //************************* ACTIONCHANGEDLISTENER CLASS **********************
319:            // Yarked from JMenu, ideally this would be public.
320:            /**
321:             * Class used to change enable state of buttons.
322:             */
323:            private static class ActionChangedListener implements 
324:                    PropertyChangeListener {
325:                AbstractButton button;
326:
327:                ActionChangedListener(AbstractButton b) {
328:                    super ();
329:                    button = b;
330:                }
331:
332:                public void propertyChange(PropertyChangeEvent e) {
333:                    String propertyName = e.getPropertyName();
334:                    if (e.getPropertyName().equals(Action.NAME)
335:                            && button instanceof  JMenuItem) {
336:                        String text = (String) e.getNewValue();
337:                        button.setText(text);
338:                    } else {
339:                        if (propertyName.equals("enabled")) {
340:                            Boolean enabledState = (Boolean) e.getNewValue();
341:                            button.setEnabled(enabledState.booleanValue());
342:                        }
343:                    }
344:                }
345:            }
346:
347:            //********************* END OF ACTIONCHANGEDLISTENER CLASS ********************
348:            /**
349:             *  Creates ActionChangeListener object.
350:             */
351:            private static PropertyChangeListener createActionChangeListener(
352:                    AbstractButton b) {
353:                return new BarFactory.ActionChangedListener(b);
354:            }
355:
356:        }
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