001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019
020 package org.apache.myfaces.tobago.component;
021
022 import org.apache.myfaces.tobago.TobagoConstants;
023 import org.apache.myfaces.tobago.ajax.api.AjaxComponent;
024
025 import javax.faces.component.NamingContainer;
026 import javax.faces.component.UIComponent;
027 import javax.faces.context.FacesContext;
028 import javax.faces.el.ValueBinding;
029 import java.io.IOException;
030 import java.util.Iterator;
031
032 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_HEIGHT;
033 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_LEFT;
034 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_TOP;
035 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_WIDTH;
036
037 public class UIPopup extends UIPanelBase implements NamingContainer, AjaxComponent {
038
039 public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.Popup";
040
041 private String width;
042 private String height;
043 private String left;
044 private String top;
045 private boolean activated;
046 private Boolean modal;
047
048 public void setActivated(boolean activated) {
049 this.activated = activated;
050 addToPage();
051 }
052
053 public void processDecodes(FacesContext facesContext) {
054 if (isSubmitted()) {
055 for (Iterator it = getFacetsAndChildren(); it.hasNext();) {
056 UIComponent childOrFacet = (UIComponent) it.next();
057 childOrFacet.processDecodes(facesContext);
058 }
059 try {
060 decode(facesContext);
061 } catch (RuntimeException e) {
062 facesContext.renderResponse();
063 throw e;
064 }
065 if (facesContext.getRenderResponse()) {
066 setActivated(true);
067 }
068 addToPage();
069 }
070 }
071
072 public boolean isRendered() {
073 ValueBinding valueBinding = getValueBinding("rendered");
074 if (valueBinding != null) {
075 return (Boolean) valueBinding.getValue(getFacesContext());
076 } else {
077 return isActivated() || isRedisplay();
078 }
079 }
080
081 private boolean isSubmitted() {
082 String action = ComponentUtil.findPage(getFacesContext(), this).getActionId();
083 return action != null && action.startsWith(getClientId(getFacesContext()) + SEPARATOR_CHAR);
084 }
085
086 private boolean isRedisplay() {
087 if (isSubmitted()) {
088 UIPage page = ComponentUtil.findPage(getFacesContext(), this);
089 String action = page.getActionId();
090 if (action != null) {
091 UIComponent command = page.findComponent(SEPARATOR_CHAR + action);
092 if (command != null && command instanceof UICommand) {
093 return !(command.getAttributes().get(TobagoConstants.ATTR_POPUP_CLOSE) != null);
094 }
095 }
096 }
097 return false;
098 }
099
100 private boolean isActivated() {
101 return activated;
102 }
103
104 public void encodeBegin(FacesContext facesContext) throws IOException {
105 super.encodeBegin(facesContext);
106 }
107
108 public void processValidators(FacesContext context) {
109 if (isSubmitted()) {
110 for (Iterator it = getFacetsAndChildren(); it.hasNext();) {
111 UIComponent childOrFacet = (UIComponent) it.next();
112 childOrFacet.processValidators(context);
113 }
114 //TODO: check if validation has failed and reset rendered if needed
115 if (context.getRenderResponse()) {
116 setActivated(true);
117 }
118 }
119 }
120
121 public void processUpdates(FacesContext context) {
122 if (isSubmitted()) {
123 for (Iterator it = getFacetsAndChildren(); it.hasNext();) {
124 UIComponent childOrFacet = (UIComponent) it.next();
125 childOrFacet.processUpdates(context);
126 }
127 }
128 }
129
130
131 public void setParent(UIComponent uiComponent) {
132 super.setParent(uiComponent);
133 // XXX find a better way
134 addToPage();
135 }
136
137 public Object saveState(FacesContext context) {
138 Object[] saveState = new Object[7];
139 saveState[0] = super.saveState(context);
140 saveState[1] = width;
141 saveState[2] = height;
142 saveState[3] = left;
143 saveState[4] = top;
144 saveState[5] = activated;
145 saveState[6] = modal;
146 return saveState;
147 }
148
149 public void restoreState(FacesContext context, Object savedState) {
150 Object[] values = (Object[]) savedState;
151 super.restoreState(context, values[0]);
152 width = (String) values[1];
153 height = (String) values[2];
154 left = (String) values[3];
155 top = (String) values[4];
156 activated = (Boolean) values[5];
157 modal = (Boolean) values[6];
158 }
159
160 public String getWidth() {
161 if (width != null) {
162 return width;
163 }
164 ValueBinding vb = getValueBinding(ATTR_WIDTH);
165 if (vb != null) {
166 Object value = vb.getValue(getFacesContext());
167 return value != null ? value.toString() : null;
168 } else {
169 return null;
170 }
171 }
172
173 public void setWidth(String width) {
174 this.width = width;
175 }
176
177 public String getHeight() {
178 if (height != null) {
179 return height;
180 }
181 ValueBinding vb = getValueBinding(ATTR_HEIGHT);
182 if (vb != null) {
183 Object value = vb.getValue(getFacesContext());
184 return value != null ? value.toString() : null;
185 } else {
186 return null;
187 }
188 }
189
190 public void setHeight(String height) {
191 this.height = height;
192 }
193
194 public String getLeft() {
195 if (left != null) {
196 return left;
197 }
198 ValueBinding vb = getValueBinding(ATTR_LEFT);
199 if (vb != null) {
200 Object value = vb.getValue(getFacesContext());
201 return value != null ? value.toString() : null;
202 } else {
203 return null;
204 }
205 }
206
207 public void setLeft(String left) {
208 this.left = left;
209 }
210
211 public String getTop() {
212 if (top != null) {
213 return top;
214 }
215 ValueBinding vb = getValueBinding(ATTR_TOP);
216 if (vb != null) {
217 Object value = vb.getValue(getFacesContext());
218 return value != null ? value.toString() : null;
219 } else {
220 return null;
221 }
222 }
223
224 public void setTop(String top) {
225 this.top = top;
226 }
227
228 public boolean isModal() {
229 if (modal != null) {
230 return modal;
231 }
232 ValueBinding vb = getValueBinding(TobagoConstants.ATTR_MODAL);
233 if (vb != null) {
234 return (Boolean.TRUE.equals(vb.getValue(getFacesContext())));
235 } else {
236 return true;
237 }
238 }
239
240 public void setModal(boolean modal) {
241 this.modal = modal;
242 }
243
244 private void addToPage() {
245 UIPage page = ComponentUtil.findPage(getFacesContext(), this);
246 if (page != null) {
247 page.getPopups().add(this);
248 }
249 }
250
251 public void encodeEnd(FacesContext context) throws IOException {
252 super.encodeEnd(context);
253 activated = false;
254 }
255
256 public void encodeAjax(FacesContext facesContext) throws IOException {
257 super.encodeAjax(facesContext);
258 activated = false;
259 }
260 }