Source Code Cross Referenced for CompositeComponentFinder.java in  » Swing-Library » abeille-forms-designer » com » jeta » open » support » 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.open.support 
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.open.support;
031:
032:        import java.awt.Component;
033:        import java.util.Collection;
034:        import java.util.Iterator;
035:        import java.util.LinkedList;
036:
037:        /**
038:         * A component finder that is composed of multipe component finders. This is
039:         * very useful for Frames that contain multiple containers with components that
040:         * have the same command. For example, you might have a menu item, toolbar
041:         * button, and popup menu item that have the same cut, copy, and paste commands.
042:         * These commands should route to the same action listener in the controller. To
043:         * handle this case, use a CompositeComponentFinder which is composed of a
044:         * finder for the menu, toolbar, and popup. You can then define your Frame as a
045:         * JETAContainer and delegate the most of the JETAContainer methods to this
046:         * finder.
047:         * 
048:         * @author Jeff Tassin
049:         */
050:        public class CompositeComponentFinder implements  ComponentFinder {
051:            /**
052:             * A list of ComponentFinder objects.
053:             */
054:            private LinkedList m_finders = new LinkedList();
055:
056:            /**
057:             * Constructor
058:             */
059:            public CompositeComponentFinder() {
060:
061:            }
062:
063:            /**
064:             * Constructor
065:             */
066:            public CompositeComponentFinder(ComponentFinder finder) {
067:                add(finder);
068:            }
069:
070:            /**
071:             * Adds a finder to this composite.
072:             */
073:            public void add(ComponentFinder finder) {
074:                m_finders.add(finder);
075:            }
076:
077:            /**
078:             * Enables/Disables the component associated with the commandid
079:             * 
080:             * @param commandId
081:             *            the id of the command whose button to enable/disable
082:             * @param bEnable
083:             *            true/false to enable/disable
084:             */
085:            public void enableComponent(String commandId, boolean bEnable) {
086:                Iterator iter = m_finders.iterator();
087:                while (iter.hasNext()) {
088:                    ComponentFinder finder = (ComponentFinder) iter.next();
089:                    Component comp = finder.getComponentByName(commandId);
090:                    if (comp != null) {
091:                        comp.setEnabled(bEnable);
092:                    }
093:                }
094:            }
095:
096:            /**
097:             * Since we have multiple finders, the only approach we can take is to
098:             * return the first component found.
099:             */
100:            public Component getComponentByName(String compName) {
101:                Iterator iter = m_finders.iterator();
102:                while (iter.hasNext()) {
103:                    ComponentFinder finder = (ComponentFinder) iter.next();
104:                    Component comp = finder.getComponentByName(compName);
105:                    if (comp != null)
106:                        return comp;
107:                }
108:                return null;
109:            }
110:
111:            /**
112:             * Recursively searches an associated parent container for all components
113:             * with the given name. An empty collection is returned if no components are
114:             * found with the given name.
115:             */
116:            public Collection getComponentsByName(String compName) {
117:                LinkedList list = new LinkedList();
118:                Iterator iter = m_finders.iterator();
119:                while (iter.hasNext()) {
120:                    ComponentFinder finder = (ComponentFinder) iter.next();
121:                    list.addAll(finder.getComponentsByName(compName));
122:                }
123:                return list;
124:            }
125:
126:            /**
127:             * Return a collection of ComponentFinder instances that are contained by
128:             * this composite.
129:             * 
130:             * @return the collection of ComponentFinder instances owned by this
131:             *         composite.
132:             */
133:            public Collection getFinders() {
134:                return m_finders;
135:            }
136:
137:            /**
138:             * Tells the implementation that any cached components should be flushed and
139:             * reloaded because the parent container might have changed.
140:             */
141:            public void reset() {
142:                Iterator iter = m_finders.iterator();
143:                while (iter.hasNext()) {
144:                    ComponentFinder finder = (ComponentFinder) iter.next();
145:                    finder.reset();
146:                }
147:            }
148:
149:            /**
150:             * Shows/Hides the component associated with the commandid
151:             * 
152:             * @param commandId
153:             *            the id of the command whose button to enable/disable
154:             * @param bVisible
155:             *            show/hide the component/disable
156:             */
157:            public void setVisible(String commandId, boolean bVisible) {
158:                Iterator iter = m_finders.iterator();
159:                while (iter.hasNext()) {
160:                    ComponentFinder finder = (ComponentFinder) iter.next();
161:                    Component comp = finder.getComponentByName(commandId);
162:                    if (comp != null)
163:                        comp.setVisible(bVisible);
164:                }
165:            }
166:
167:            /**
168:             * Recursively searches an associated parent container for all components
169:             * that are named. An empty collection is returned if no names components
170:             * exist.
171:             * 
172:             * @return a collection of all named Component objects.
173:             */
174:            public Collection getAllNamedComponents() {
175:                LinkedList list = new LinkedList();
176:                Iterator iter = m_finders.iterator();
177:                while (iter.hasNext()) {
178:                    ComponentFinder finder = (ComponentFinder) iter.next();
179:                    list.addAll(finder.getAllNamedComponents());
180:                }
181:                return list;
182:            }
183:        }
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