Source Code Cross Referenced for UISelectItem.java in  » EJB-Server-resin-3.1.5 » jsf » javax » faces » component » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » jsf » javax.faces.component 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License version 2
011:         * as published by the Free Software Foundation.
012:         *
013:         * Resin Open Source is distributed in the hope that it will be useful,
014:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
015:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
016:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
017:         * details.
018:         *
019:         * You should have received a copy of the GNU General Public License
020:         * along with Resin Open Source; if not, write to the
021:         *
022:         *   Free Software Foundation, Inc.
023:         *   59 Temple Place, Suite 330
024:         *   Boston, MA 02111-1307  USA
025:         *
026:         * @author Scott Ferguson
027:         */
028:
029:        package javax.faces.component;
030:
031:        import java.util.*;
032:
033:        import javax.el.*;
034:        import javax.faces.context.*;
035:        import javax.faces.model.*;
036:
037:        public class UISelectItem extends UIComponentBase {
038:            public static final String COMPONENT_FAMILY = "javax.faces.SelectItem";
039:            public static final String COMPONENT_TYPE = "javax.faces.SelectItem";
040:
041:            private static final HashMap<String, PropEnum> _propMap = new HashMap<String, PropEnum>();
042:
043:            private String _itemDescription;
044:            private ValueExpression _itemDescriptionExpr;
045:
046:            private Boolean _itemDisabled;
047:            private ValueExpression _itemDisabledExpr;
048:
049:            private Boolean _itemEscaped;
050:            private ValueExpression _itemEscapedExpr;
051:
052:            private String _itemLabel;
053:            private ValueExpression _itemLabelExpr;
054:
055:            private Object _itemValue;
056:            private ValueExpression _itemValueExpr;
057:
058:            private Object _value;
059:            private ValueExpression _valueExpr;
060:
061:            public UISelectItem() {
062:            }
063:
064:            /**
065:             * Returns the component family, used to select the renderer.
066:             */
067:            public String getFamily() {
068:                return COMPONENT_FAMILY;
069:            }
070:
071:            //
072:            // properties
073:            //
074:
075:            public String getItemDescription() {
076:                if (_itemDescription != null)
077:                    return _itemDescription;
078:                else if (_itemDescriptionExpr != null)
079:                    return Util.evalString(_itemDescriptionExpr,
080:                            getFacesContext());
081:                else
082:                    return null;
083:            }
084:
085:            public void setItemDescription(String value) {
086:                _itemDescription = value;
087:            }
088:
089:            public boolean isItemDisabled() {
090:                if (_itemDisabled != null)
091:                    return _itemDisabled;
092:                else if (_itemDisabledExpr != null)
093:                    return Util.evalBoolean(_itemDisabledExpr,
094:                            getFacesContext());
095:                else
096:                    return false;
097:            }
098:
099:            public void setItemDisabled(boolean value) {
100:                _itemDisabled = value;
101:            }
102:
103:            public boolean isItemEscaped() {
104:                if (_itemEscaped != null)
105:                    return _itemEscaped;
106:                else if (_itemEscapedExpr != null)
107:                    return Util
108:                            .evalBoolean(_itemEscapedExpr, getFacesContext());
109:                else
110:                    return true;
111:            }
112:
113:            public void setItemEscaped(boolean value) {
114:                _itemEscaped = value;
115:            }
116:
117:            public String getItemLabel() {
118:                if (_itemLabel != null)
119:                    return _itemLabel;
120:                else if (_itemLabelExpr != null)
121:                    return Util.evalString(_itemLabelExpr, getFacesContext());
122:                else
123:                    return null;
124:            }
125:
126:            public void setItemLabel(String value) {
127:                _itemLabel = value;
128:            }
129:
130:            public Object getItemValue() {
131:                if (_itemValue != null)
132:                    return _itemValue;
133:                else if (_itemValueExpr != null)
134:                    return Util.eval(_itemValueExpr, getFacesContext());
135:                else
136:                    return null;
137:            }
138:
139:            public void setItemValue(Object value) {
140:                _itemValue = value;
141:            }
142:
143:            public Object getValue() {
144:                if (_value != null)
145:                    return _value;
146:                else if (_valueExpr != null)
147:                    return Util.eval(_valueExpr, getFacesContext());
148:                else
149:                    return null;
150:            }
151:
152:            public void setValue(Object value) {
153:                _value = value;
154:            }
155:
156:            /**
157:             * Returns the value expression with the given name.
158:             */
159:            @Override
160:            public ValueExpression getValueExpression(String name) {
161:                PropEnum prop = _propMap.get(name);
162:
163:                if (prop != null) {
164:                    switch (prop) {
165:                    case ITEM_DESCRIPTION:
166:                        return _itemDescriptionExpr;
167:                    case ITEM_DISABLED:
168:                        return _itemDisabledExpr;
169:                    case ITEM_ESCAPED:
170:                        return _itemEscapedExpr;
171:                    case ITEM_LABEL:
172:                        return _itemLabelExpr;
173:                    case ITEM_VALUE:
174:                        return _itemValueExpr;
175:                    case VALUE:
176:                        return _valueExpr;
177:                    }
178:                }
179:
180:                return super .getValueExpression(name);
181:            }
182:
183:            /**
184:             * Sets the value expression with the given name.
185:             */
186:            @Override
187:            public void setValueExpression(String name, ValueExpression expr) {
188:                PropEnum prop = _propMap.get(name);
189:
190:                if (prop != null) {
191:                    switch (prop) {
192:                    case ITEM_DESCRIPTION:
193:                        if (expr != null && expr.isLiteralText()) {
194:                            _itemDescription = String.valueOf(expr
195:                                    .getValue(null));
196:                            return;
197:                        } else
198:                            _itemDescriptionExpr = expr;
199:                        break;
200:
201:                    case ITEM_DISABLED:
202:                        if (expr != null && expr.isLiteralText()) {
203:                            _itemDisabled = Util.booleanValueOf(expr
204:                                    .getValue(null));
205:                            return;
206:                        } else
207:                            _itemDisabledExpr = expr;
208:                        break;
209:
210:                    case ITEM_ESCAPED:
211:                        if (expr != null && expr.isLiteralText()) {
212:                            _itemEscaped = Util.booleanValueOf(expr
213:                                    .getValue(null));
214:                            return;
215:                        } else
216:                            _itemEscapedExpr = expr;
217:                        break;
218:
219:                    case ITEM_LABEL:
220:                        if (expr != null && expr.isLiteralText()) {
221:                            _itemLabel = String.valueOf(expr.getValue(null));
222:                            return;
223:                        } else
224:                            _itemLabelExpr = expr;
225:                        break;
226:
227:                    case ITEM_VALUE:
228:                        if (expr != null && expr.isLiteralText()) {
229:                            _itemValue = expr.getValue(null);
230:                            return;
231:                        } else
232:                            _itemValueExpr = expr;
233:                        break;
234:
235:                    case VALUE:
236:                        if (expr != null && expr.isLiteralText()) {
237:                            _value = expr.getValue(null);
238:                            return;
239:                        } else
240:                            _valueExpr = expr;
241:                        break;
242:                    }
243:                }
244:
245:                super .setValueExpression(name, expr);
246:            }
247:
248:            //
249:            // state
250:            //
251:
252:            public Object saveState(FacesContext context) {
253:                Object[] state = new Object[] { super .saveState(context),
254:                        _itemDescription, _itemDisabled, _itemEscaped,
255:                        _itemLabel, _itemValue, _value };
256:
257:                return state;
258:            }
259:
260:            public void restoreState(FacesContext context, Object value) {
261:                Object[] state = (Object[]) value;
262:
263:                super .restoreState(context, state[0]);
264:
265:                _itemDescription = (String) state[1];
266:                _itemDisabled = (Boolean) state[2];
267:                _itemEscaped = (Boolean) state[3];
268:                _itemLabel = (String) state[4];
269:                _itemValue = state[5];
270:                _value = state[6];
271:            }
272:
273:            private enum PropEnum {
274:                ITEM_DESCRIPTION, ITEM_DISABLED, ITEM_ESCAPED, ITEM_LABEL, ITEM_VALUE, VALUE,
275:            }
276:
277:            static {
278:                _propMap.put("itemDescription", PropEnum.ITEM_DESCRIPTION);
279:                _propMap.put("itemDisabled", PropEnum.ITEM_DISABLED);
280:                _propMap.put("itemEscaped", PropEnum.ITEM_ESCAPED);
281:                _propMap.put("itemLabel", PropEnum.ITEM_LABEL);
282:                _propMap.put("itemValue", PropEnum.ITEM_VALUE);
283:                _propMap.put("value", PropEnum.VALUE);
284:            }
285:        }
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