Source Code Cross Referenced for TabProperty.java in  » Swing-Library » abeille-forms-designer » com » jeta » forms » store » properties » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Swing Library » abeille forms designer » com.jeta.forms.store.properties 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 2004 JETA Software, Inc.  All rights reserved.
003:         * 
004:         * Redistribution and use in source and binary forms, with or without modification, 
005:         * are permitted provided that the following conditions are met:
006:         *
007:         *  o Redistributions of source code must retain the above copyright notice, 
008:         *    this list of conditions and the following disclaimer.
009:         *
010:         *  o Redistributions in binary form must reproduce the above copyright notice, 
011:         *    this list of conditions and the following disclaimer in the documentation 
012:         *    and/or other materials provided with the distribution.
013:         *
014:         *  o Neither the name of JETA Software nor the names of its contributors may 
015:         *    be used to endorse or promote products derived from this software without 
016:         *    specific prior written permission.
017:         *
018:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
019:         * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
020:         * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
021:         * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
022:         * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
023:         * INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
024:         * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
025:         * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
026:         * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
027:         * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
028:         */
029:
030:        package com.jeta.forms.store.properties;
031:
032:        import java.io.IOException;
033:
034:        import javax.swing.Icon;
035:        import javax.swing.JTabbedPane;
036:
037:        import com.jeta.forms.gui.beans.JETABean;
038:        import com.jeta.forms.gui.common.FormException;
039:        import com.jeta.forms.gui.common.FormUtils;
040:        import com.jeta.forms.gui.components.ContainedFormFactory;
041:        import com.jeta.forms.gui.form.FormComponent;
042:        import com.jeta.forms.logger.FormsLogger;
043:        import com.jeta.forms.store.JETAObjectInput;
044:        import com.jeta.forms.store.JETAObjectOutput;
045:        import com.jeta.forms.store.memento.FormMemento;
046:        import com.jeta.forms.store.memento.StateRequest;
047:        import com.jeta.open.registry.JETARegistry;
048:
049:        /**
050:         * A <code>TabProperty</code> defines a single tab in a JTabbedPane. Included
051:         * in this description is the tab title, icon, and the content of the tab -
052:         * which is a form. This class is used by <code>TabbedPaneProperties</code> to
053:         * intialize a JTabbedPane during runtime.
054:         * 
055:         * @author Jeff Tassin
056:         */
057:        public class TabProperty extends JETAProperty {
058:            static final long serialVersionUID = 2375434406561274626L;
059:
060:            /**
061:             * The current version number of this class
062:             */
063:            public static final int VERSION = 1;
064:
065:            /**
066:             * The tab title
067:             */
068:            private String m_title;
069:
070:            /**
071:             * The icon for the tab.
072:             */
073:            private IconProperty m_icon_property;
074:
075:            /**
076:             * A cached value for the form content for this tab
077:             */
078:            private transient FormComponent m_form;
079:
080:            /**
081:             * The form state. This gets serialized to the persistent store and is used
082:             * to create and initialize the cached form <code>m_form</code> value.
083:             */
084:            private FormMemento m_memento;
085:
086:            /**
087:             * The name of this property
088:             */
089:            public static final String PROPERTY_ID = "tab";
090:
091:            /**
092:             * Creates an unitialized <code>TabProperty</code> instance
093:             */
094:            public TabProperty() {
095:                super (PROPERTY_ID);
096:            }
097:
098:            /**
099:             * Creates a <code>TabProperty</code> instance with the given title.
100:             */
101:            public TabProperty(String title) {
102:                super (PROPERTY_ID);
103:                m_title = title;
104:            }
105:
106:            /**
107:             * Returns the form component contained by this tab property.
108:             * 
109:             * @return the form component contained by this tab property.
110:             */
111:            public FormComponent getForm() throws FormException {
112:                if (m_form == null) {
113:                    ContainedFormFactory factory = (ContainedFormFactory) JETARegistry
114:                            .lookup(ContainedFormFactory.COMPONENT_ID);
115:                    FormUtils.safeAssert(factory != null);
116:                    m_form = factory.createContainedForm(JTabbedPane.class,
117:                            m_memento);
118:                }
119:                return m_form;
120:            }
121:
122:            /**
123:             * Returns a memento object that completely defines the state of the form
124:             * contained by this tab.
125:             * 
126:             * @return the memento for the form contained by this tab.
127:             */
128:            public FormMemento getFormMemento() throws FormException {
129:                if (m_form != null)
130:                    return m_form.getExternalState(StateRequest.DEEP_COPY);
131:                else
132:                    return m_memento;
133:            }
134:
135:            /**
136:             * Returns the title of this tab.
137:             * 
138:             * @return the title of this tab.
139:             */
140:            public String getTitle() {
141:                return m_title;
142:            }
143:
144:            /**
145:             * Returns the icon property for this tab. This property defines the icon
146:             * used by this tab.
147:             * 
148:             * @return the icon property for this tab.
149:             */
150:            public IconProperty getIconProperty() {
151:                return m_icon_property;
152:            }
153:
154:            /**
155:             * Return the underlying icon that is specified by the IconProperty. This
156:             * value can be null if no icon is specified.
157:             * 
158:             * @return the underlying icon.
159:             */
160:            public Icon icon() {
161:                return m_icon_property;
162:            }
163:
164:            /**
165:             * Sets the icon property for this tab.
166:             * 
167:             * @param iprop
168:             *            the icon property.
169:             */
170:            public void setIconProperty(IconProperty iprop) {
171:                if (m_icon_property == null)
172:                    m_icon_property = new IconProperty();
173:                m_icon_property.setValue(iprop);
174:            }
175:
176:            /**
177:             * Sets this property to that of another TabProperty
178:             * 
179:             * @param prop
180:             *            a TabProperty instance.
181:             */
182:            public void setValue(Object prop) {
183:                if (prop instanceof  TabProperty) {
184:                    TabProperty tp = (TabProperty) prop;
185:                    m_title = tp.m_title;
186:                    m_form = tp.m_form;
187:                    m_memento = tp.m_memento;
188:
189:                    if (m_icon_property == null)
190:                        m_icon_property = new IconProperty();
191:                    m_icon_property.setValue(tp.m_icon_property);
192:                }
193:            }
194:
195:            /**
196:             * Sets the title for this tab.
197:             * 
198:             * @param title
199:             *            the tab title
200:             */
201:            public void setTitle(String title) {
202:                m_title = title;
203:            }
204:
205:            /**
206:             * Updates the bean with the current value of this property
207:             */
208:            public void updateBean(JETABean jbean) {
209:                // no op
210:            }
211:
212:            /**
213:             * JETAPersistable Implementation
214:             */
215:            public void read(JETAObjectInput in) throws ClassNotFoundException,
216:                    IOException {
217:                super .read(in.getSuperClassInput());
218:                int version = in.readVersion();
219:                m_title = (String) in.readObject("title");
220:                m_icon_property = (IconProperty) in.readObject("icon");
221:                m_memento = (FormMemento) in.readObject("form");
222:                m_form = null;
223:            }
224:
225:            /**
226:             * JETAPersistable Implementation
227:             */
228:            public void write(JETAObjectOutput out) throws IOException {
229:                super .write(out.getSuperClassOutput(JETAProperty.class));
230:                out.writeVersion(VERSION);
231:                out.writeObject("title", m_title);
232:                out.writeObject("icon", m_icon_property);
233:                /**
234:                 * This is a hack to obtain the state request which is set by the
235:                 * caller. There is no way to obtain this value other than getting it
236:                 * from the registry. The caller should have set this value. This is
237:                 * needed during preview when in design mode; otherwise we won't get the
238:                 * most current state for linked forms if they are opened in the
239:                 * designer
240:                 */
241:                StateRequest state_req = StateRequest.SHALLOW_COPY;
242:                Object obj = com.jeta.open.registry.JETARegistry
243:                        .lookup(StateRequest.COMPONENT_ID);
244:                if (obj instanceof  StateRequest)
245:                    state_req = (StateRequest) obj;
246:
247:                try {
248:                    getForm();
249:                    if (m_form != null) {
250:                        out.writeObject("form", m_form
251:                                .getExternalState(state_req));
252:                    } else {
253:                        out.writeObject("form", null);
254:                    }
255:                } catch (Exception e) {
256:                    FormsLogger.severe(e);
257:                    out.writeObject("form", null);
258:                }
259:            }
260:
261:        }
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