Source Code Cross Referenced for Frame.java in  » XML-UI » xmlgui » org » beryl » gui » widgets » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » XML UI » xmlgui » org.beryl.gui.widgets 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Beryl - A web platform based on XML, XSLT and Java
003:         * This file is part of the Beryl XML GUI
004:         *
005:         * Copyright (C) 2004 Wenzel Jakob <wazlaf@tigris.org>
006:         *
007:         * This program is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU Lesser General Public
009:         * License as published by the Free Software Foundation; either
010:         * version 2.1 of the License, or (at your option) any later version.
011:
012:         * This program is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this program; if not, write to the Free Software
019:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-3107  USA
020:         */
021:
022:        package org.beryl.gui.widgets;
023:
024:        import java.awt.BorderLayout;
025:        import java.awt.Component;
026:        import java.awt.Dimension;
027:        import java.awt.Point;
028:        import java.awt.event.WindowAdapter;
029:        import java.awt.event.WindowEvent;
030:
031:        import javax.swing.BorderFactory;
032:        import javax.swing.ImageIcon;
033:        import javax.swing.JButton;
034:        import javax.swing.JFrame;
035:        import javax.swing.JMenuBar;
036:        import javax.swing.JPanel;
037:        import javax.swing.border.Border;
038:
039:        import org.beryl.gui.GUIEvent;
040:        import org.beryl.gui.GUIEventListener;
041:        import org.beryl.gui.GUIException;
042:        import org.beryl.gui.GUIUtils;
043:        import org.beryl.gui.ImageIconFactory;
044:        import org.beryl.gui.Widget;
045:        import org.beryl.gui.WidgetInfo;
046:
047:        /**
048:         * Frame class
049:         * 
050:         * Has an 11px border by default. Can be overwritten
051:         * using 'spacing'
052:         */
053:
054:        public class Frame extends Widget {
055:            private static final Border windowBorder = BorderFactory
056:                    .createEmptyBorder(WINDOW_BORDER_SPACING,
057:                            WINDOW_BORDER_SPACING, WINDOW_BORDER_SPACING,
058:                            WINDOW_BORDER_SPACING);
059:            protected static WidgetInfo frameInfo = null;
060:            private JFrame frame = null;
061:            private Panel panel = null;
062:            private Button defaultButton = null;
063:            private boolean visible = false;
064:            private boolean locationHasBeenSet = false;
065:            private boolean isConstructed = false;
066:
067:            static {
068:                frameInfo = new WidgetInfo(Frame.class, widgetInfo);
069:                frameInfo.addProperty("border", "border", BorderFactory
070:                        .createEmptyBorder());
071:                frameInfo.addProperty("defaultCloseOperation", "enum",
072:                        new Integer(JFrame.DISPOSE_ON_CLOSE));
073:                frameInfo.addProperty("layout", "layout", new BorderLayout());
074:                frameInfo.addProperty("location", "point", new Point(100, 100));
075:                frameInfo.addProperty("resizable", "bool", Boolean.TRUE);
076:                frameInfo.addProperty("spacing", "int", new Integer(
077:                        WINDOW_BORDER_SPACING));
078:                try {
079:                    frameInfo.addProperty("iconImage", "icon", ImageIconFactory
080:                            .getIcon("broken"));
081:                } catch (Exception e) {
082:                    throw new RuntimeException(e);
083:                }
084:                frameInfo.addProperty("size", "dimension", new Dimension(100,
085:                        100));
086:                frameInfo.addProperty("title", "istring", "");
087:                frameInfo.addProperty("visible", "bool", Boolean.FALSE);
088:                frameInfo.addEvent("close");
089:                frameInfo.removeProperty("enabled");
090:                frameInfo.setSupportsAnchor(false);
091:            };
092:
093:            public Frame(Widget parent, String name) throws GUIException {
094:                super (parent, name);
095:                frame = new JFrame();
096:                panel = new Panel(this , null);
097:                addChild(panel);
098:                JPanel jpanel = (JPanel) panel.getWidget();
099:                jpanel.setBorder(windowBorder);
100:                frame.getContentPane().add(jpanel);
101:                GUIUtils.register(this );
102:            }
103:
104:            public Object getProperty(String name) throws GUIException {
105:                if (name.equals("default")) {
106:                    return defaultButton;
107:                } else {
108:                    return super .getProperty(name);
109:                }
110:            }
111:
112:            public void setProperty(String name, Object value)
113:                    throws GUIException {
114:                if ("layout".equals(name) || "border".equals(name)
115:                        || "spacing".equals(name) || "background".equals(name)) {
116:                    panel.setProperty(name, value);
117:                } else if ("helpid".equals(name)) {
118:                    if (helpBroker == null)
119:                        throw new GUIException(
120:                                "JavaHelp has not been activated");
121:                    if (value != null)
122:                        helpBroker.enableHelpKey(frame.getRootPane(),
123:                                (String) value, null);
124:                } else if ("iconImage".equals(name)) {
125:                    frame.setIconImage(((ImageIcon) value).getImage());
126:                } else if ("size".equals(name)) {
127:                    /* Workaround: This makes the content and not the window have the 
128:                     * requested size. Therefore the window content and the window decoration
129:                     * will be bigger than they would be using the normal setSize() */
130:                    ((JPanel) panel.getRealWidget())
131:                            .setPreferredSize((Dimension) value);
132:                    frame.pack();
133:                } else if ("realSize".equals(name)) {
134:                    frame.setSize((Dimension) value);
135:                    frame.show();
136:                } else if ("location".equals(name)) {
137:                    frame.setLocation((Point) value);
138:                    locationHasBeenSet = true;
139:                } else if ("default".equals(name)) {
140:                    defaultButton = (Button) value;
141:
142:                    JButton jbutton = null;
143:                    if (value != null) {
144:                        jbutton = (JButton) ((Button) value).getRealWidget();
145:                    }
146:                    frame.getRootPane().setDefaultButton(jbutton);
147:                } else if ("visible".equals(name)) {
148:                    visible = ((Boolean) value).booleanValue();
149:
150:                    if (isConstructed)
151:                        frame.setVisible(visible);
152:                } else {
153:                    super .setProperty(name, value);
154:                }
155:            }
156:
157:            public Widget getChild(int index) {
158:                return (Widget) panel.getChild(index);
159:            }
160:
161:            public int getChildIndex(Widget child) {
162:                return panel.getChildIndex(child);
163:            }
164:
165:            public int getChildCount() {
166:                return panel.getChildCount();
167:            }
168:
169:            protected void finalize() {
170:                GUIUtils.unregister(this );
171:            }
172:
173:            public void addListener(String event, final String name,
174:                    final GUIEventListener listener) throws GUIException {
175:                if ("close".equals(event)) {
176:                    frame.addWindowListener(new WindowAdapter() {
177:                        public void windowClosing(WindowEvent e) {
178:                            listener.eventOccured(new GUIEvent(Frame.this ,
179:                                    name, e));
180:                        }
181:                    });
182:                } else {
183:                    super .addListener(event, name, listener);
184:                }
185:            }
186:
187:            public void addChild(Widget widget, Object constraint)
188:                    throws GUIException {
189:                if (widget instanceof  MenuBar) {
190:                    frame.setJMenuBar((JMenuBar) ((MenuBar) widget)
191:                            .getRealWidget());
192:                    panel.addChild(widget);
193:                } else {
194:                    panel.addChild(widget, constraint);
195:                }
196:            }
197:
198:            public void removeChildWidget(Widget widget) throws GUIException {
199:                if (widget instanceof  MenuBar) {
200:                    frame.setJMenuBar(null);
201:                    super .removeChildWidget(widget);
202:                } else {
203:                    panel.removeChildWidget(widget);
204:                }
205:            }
206:
207:            public void hide() {
208:                frame.hide();
209:            }
210:
211:            public void show() {
212:                /* Workaround for Bug 4102292
213:                 * http://developer.java.sun.com/developer/bugParade/bugs/4102292.html
214:                 */
215:                if (!locationHasBeenSet) {
216:                    Dimension ss = frame.getToolkit().getScreenSize();
217:                    Dimension fs = frame.getSize();
218:                    frame.setLocation((ss.width - fs.width) / 2,
219:                            (ss.height - fs.height) / 2);
220:                }
221:                frame.show();
222:            }
223:
224:            /**
225:             * Set the initial focus of the frame
226:             */
227:            public void setInitialFocus(final Widget widget) {
228:                frame.addWindowListener(new WindowAdapter() {
229:                    public void windowOpened(WindowEvent e) {
230:                        widget.requestFocus();
231:                        e.getWindow().removeWindowListener(this );
232:                    }
233:                });
234:            }
235:
236:            public void dispose() {
237:                frame.dispose();
238:            }
239:
240:            public void finalizeConstruction() throws GUIException {
241:                isConstructed = true;
242:                if (visible)
243:                    show();
244:            }
245:
246:            public void revalidate() throws GUIException {
247:                panel.revalidate();
248:            }
249:
250:            public Panel getPanel() {
251:                return panel;
252:            }
253:
254:            public boolean isVisible() {
255:                return frame.isVisible();
256:            }
257:
258:            public Component getWidget() {
259:                return frame;
260:            }
261:
262:            public WidgetInfo getWidgetInfo() {
263:                return frameInfo;
264:            }
265:        }
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