Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
BindingInfo |
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| 2.0;2 |
1 | /** | |
2 | * Copyright 2005-2011 The Kuali Foundation | |
3 | * | |
4 | * Licensed under the Educational Community License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * | |
8 | * http://www.opensource.org/licenses/ecl2.php | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | package org.kuali.rice.krad.uif.component; | |
17 | ||
18 | import org.apache.commons.lang.StringUtils; | |
19 | import org.kuali.rice.krad.uif.UifConstants; | |
20 | import org.kuali.rice.krad.uif.view.View; | |
21 | import org.kuali.rice.krad.util.ObjectUtils; | |
22 | ||
23 | import java.io.Serializable; | |
24 | ||
25 | /** | |
26 | * Provides binding configuration for an DataBinding component (attribute or | |
27 | * collection) | |
28 | * | |
29 | * <p> | |
30 | * From the binding configuration the binding path is determined (if not | |
31 | * manually set) and used to set the path in the UI or to get the value from the | |
32 | * model | |
33 | * </p> | |
34 | * | |
35 | * @author Kuali Rice Team (rice.collab@kuali.org) | |
36 | */ | |
37 | public class BindingInfo extends ConfigurableBase implements Serializable { | |
38 | private static final long serialVersionUID = -7389398061672136091L; | |
39 | ||
40 | private boolean bindToForm; | |
41 | private boolean bindToMap; | |
42 | ||
43 | private String bindingName; | |
44 | private String bindByNamePrefix; | |
45 | private String bindingObjectPath; | |
46 | ||
47 | private String collectionPath; | |
48 | ||
49 | private String bindingPath; | |
50 | ||
51 | public BindingInfo() { | |
52 | 2 | super(); |
53 | ||
54 | 2 | bindToForm = false; |
55 | 2 | bindToMap = false; |
56 | 2 | } |
57 | ||
58 | /** | |
59 | * Sets up some default binding properties based on the view configuration | |
60 | * and the component's property name | |
61 | * | |
62 | * <p> | |
63 | * Sets the bindingName (if not set) to the given property name, and if the | |
64 | * binding object path has not been set uses the default binding object path | |
65 | * setup for the view | |
66 | * </p> | |
67 | * | |
68 | * @param view | |
69 | * - the view instance the component belongs to | |
70 | * @param propertyName | |
71 | * - name of the property (relative to the parent object) the | |
72 | * component binds to | |
73 | */ | |
74 | public void setDefaults(View view, String propertyName) { | |
75 | 0 | if (StringUtils.isBlank(bindingName)) { |
76 | 0 | bindingName = propertyName; |
77 | } | |
78 | ||
79 | 0 | if (StringUtils.isBlank(bindingObjectPath)) { |
80 | 0 | bindingObjectPath = view.getDefaultBindingObjectPath(); |
81 | } | |
82 | 0 | } |
83 | ||
84 | /** | |
85 | * Path to the property on the model the component binds to. Uses standard | |
86 | * dot notation for nested properties. If the binding path was manually set | |
87 | * it will be returned as it is, otherwise the path will be formed by using | |
88 | * the binding object path and the bind prefix | |
89 | * | |
90 | * <p> | |
91 | * e.g. Property name 'foo' on a model would have binding path "foo", while | |
92 | * property name 'name' of the nested model property 'account' would have | |
93 | * binding path "account.name" | |
94 | * </p> | |
95 | * | |
96 | * @return String binding path | |
97 | */ | |
98 | public String getBindingPath() { | |
99 | 2 | if (StringUtils.isNotBlank(bindingPath)) { |
100 | 2 | return bindingPath; |
101 | } | |
102 | ||
103 | 0 | String formedBindingPath = ""; |
104 | ||
105 | 0 | if (!bindToForm && StringUtils.isNotBlank(bindingObjectPath)) { |
106 | 0 | formedBindingPath = bindingObjectPath; |
107 | } | |
108 | ||
109 | 0 | if (StringUtils.isNotBlank(bindByNamePrefix)) { |
110 | 0 | if (!bindByNamePrefix.startsWith("[") && StringUtils.isNotBlank(formedBindingPath)) { |
111 | 0 | formedBindingPath += "."; |
112 | } | |
113 | 0 | formedBindingPath += bindByNamePrefix; |
114 | } | |
115 | ||
116 | 0 | if (bindToMap) { |
117 | 0 | formedBindingPath += "['" + bindingName + "']"; |
118 | } else { | |
119 | 0 | if (StringUtils.isNotBlank(formedBindingPath)) { |
120 | 0 | formedBindingPath += "."; |
121 | } | |
122 | 0 | formedBindingPath += bindingName; |
123 | } | |
124 | ||
125 | 0 | return formedBindingPath; |
126 | } | |
127 | ||
128 | /** | |
129 | * Returns the binding prefix string that can be used to setup the binding | |
130 | * on <code>DataBinding</code> components that are children of the component | |
131 | * that contains the <code>BindingInfo</code>. The binding prefix is formed | |
132 | * like the binding path but without including the object path | |
133 | * | |
134 | * @return String binding prefix for nested components | |
135 | */ | |
136 | public String getBindingPrefixForNested() { | |
137 | 0 | String bindingPrefix = ""; |
138 | ||
139 | 0 | if (StringUtils.isNotBlank(bindByNamePrefix)) { |
140 | 0 | bindingPrefix = bindByNamePrefix; |
141 | } | |
142 | ||
143 | 0 | if (bindToMap) { |
144 | 0 | bindingPrefix += "['" + bindingName + "']"; |
145 | } else { | |
146 | 0 | if (StringUtils.isNotBlank(bindingPrefix)) { |
147 | 0 | bindingPrefix += "."; |
148 | } | |
149 | 0 | bindingPrefix += bindingName; |
150 | } | |
151 | ||
152 | 0 | return bindingPrefix; |
153 | } | |
154 | ||
155 | /** | |
156 | * Returns the binding path that is formed by taking the binding configuration | |
157 | * of this <code>BindingInfo</code> instance with the given property path as the | |
158 | * binding name. This can be used to get the binding path when just a property | |
159 | * name is given that is assumed to be on the same parent object of the field with | |
160 | * the configured binding info | |
161 | * | |
162 | * <p> | |
163 | * Special check is done for org.kuali.rice.krad.uif.UifConstants#NO_BIND_ADJUST_PREFIX prefix | |
164 | * on the property name which indicates the property path is the full path and should | |
165 | * not be adjusted. Also, if the property is prefixed with | |
166 | * org.kuali.rice.krad.uif.UifConstants#DATA_OBJECT_BIND_ADJUST_PREFIX, this indicates we should only append the | |
167 | * binding object path | |
168 | * </p> | |
169 | * | |
170 | * @param propertyPath - path for property to return full binding path for | |
171 | * @return String full binding path | |
172 | */ | |
173 | public String getPropertyAdjustedBindingPath(String propertyPath) { | |
174 | 0 | if (propertyPath.startsWith(UifConstants.NO_BIND_ADJUST_PREFIX)) { |
175 | 0 | propertyPath = StringUtils.removeStart(propertyPath, UifConstants.NO_BIND_ADJUST_PREFIX); |
176 | 0 | return propertyPath; |
177 | } | |
178 | ||
179 | 0 | BindingInfo bindingInfoCopy = (BindingInfo) ObjectUtils.deepCopy(this); |
180 | ||
181 | // clear the path if explicitly set | |
182 | 0 | bindingInfoCopy.setBindingPath(""); |
183 | ||
184 | 0 | if (propertyPath.startsWith(UifConstants.DATA_OBJECT_BIND_ADJUST_PREFIX)) { |
185 | 0 | bindingInfoCopy.setBindByNamePrefix(""); |
186 | 0 | propertyPath = StringUtils.removeStart(propertyPath, UifConstants.DATA_OBJECT_BIND_ADJUST_PREFIX); |
187 | } | |
188 | 0 | bindingInfoCopy.setBindingName(propertyPath); |
189 | ||
190 | 0 | return bindingInfoCopy.getBindingPath(); |
191 | } | |
192 | ||
193 | /** | |
194 | * Helper method for adding a path to the binding prefix | |
195 | * | |
196 | * @param bindPrefix - path to add | |
197 | */ | |
198 | public void addToBindByNamePrefix(String bindPrefix) { | |
199 | 0 | if (StringUtils.isNotBlank(bindByNamePrefix) && StringUtils.isNotBlank(bindPrefix)) { |
200 | 0 | bindByNamePrefix += "." + bindPrefix; |
201 | } else { | |
202 | 0 | bindByNamePrefix = bindPrefix; |
203 | } | |
204 | 0 | } |
205 | ||
206 | /** | |
207 | * Setter for the binding path. Can be left blank in which the path will be | |
208 | * determined from the binding configuration | |
209 | * | |
210 | * @param bindingPath | |
211 | */ | |
212 | public void setBindingPath(String bindingPath) { | |
213 | 2 | this.bindingPath = bindingPath; |
214 | 2 | } |
215 | ||
216 | /** | |
217 | * Indicates whether the component binds directly to the form (that is its | |
218 | * bindingName gives a property available through the form), or whether is | |
219 | * binds through a nested form object. If bindToForm is false, it is assumed | |
220 | * the component binds to the object given by the form property whose path | |
221 | * is configured by bindingObjectPath. | |
222 | * | |
223 | * @return boolean true if component binds directly to form, false if it | |
224 | * binds to a nested object | |
225 | */ | |
226 | public boolean isBindToForm() { | |
227 | 0 | return this.bindToForm; |
228 | } | |
229 | ||
230 | /** | |
231 | * Setter for the bind to form indicator | |
232 | * | |
233 | * @param bindToForm | |
234 | */ | |
235 | public void setBindToForm(boolean bindToForm) { | |
236 | 0 | this.bindToForm = bindToForm; |
237 | 0 | } |
238 | ||
239 | /** | |
240 | * Gives the name of the property that the component binds to. The name can | |
241 | * be nested but not the full path, just from the parent object or in the | |
242 | * case of binding directly to the form from the form object | |
243 | * | |
244 | * <p> | |
245 | * If blank this will be set from the name field of the component | |
246 | * </p> | |
247 | * | |
248 | * @return String name of the bind property | |
249 | */ | |
250 | public String getBindingName() { | |
251 | 0 | return this.bindingName; |
252 | } | |
253 | ||
254 | /** | |
255 | * Setter for the bind property name | |
256 | * | |
257 | * @param bindingName | |
258 | */ | |
259 | public void setBindingName(String bindingName) { | |
260 | 0 | this.bindingName = bindingName; |
261 | 0 | } |
262 | ||
263 | /** | |
264 | * Prefix that will be used to form the binding path from the component | |
265 | * name. Typically used for nested collection properties | |
266 | * | |
267 | * @return String binding prefix | |
268 | */ | |
269 | public String getBindByNamePrefix() { | |
270 | 0 | return this.bindByNamePrefix; |
271 | } | |
272 | ||
273 | /** | |
274 | * Setter for the prefix to use for forming the binding path by name | |
275 | * | |
276 | * @param bindByNamePrefix | |
277 | */ | |
278 | public void setBindByNamePrefix(String bindByNamePrefix) { | |
279 | 0 | this.bindByNamePrefix = bindByNamePrefix; |
280 | 0 | } |
281 | ||
282 | /** | |
283 | * If field is part of a collection field, gives path to collection | |
284 | * | |
285 | * <p> | |
286 | * This is used for metadata purposes when getting finding the attribute | |
287 | * definition from the dictionary and is not used in building the final | |
288 | * binding path | |
289 | * </p> | |
290 | * | |
291 | * @return String path to collection | |
292 | */ | |
293 | public String getCollectionPath() { | |
294 | 0 | return this.collectionPath; |
295 | } | |
296 | ||
297 | /** | |
298 | * Setter for the field's collection path (if part of a collection) | |
299 | * | |
300 | * @param collectionPath | |
301 | */ | |
302 | public void setCollectionPath(String collectionPath) { | |
303 | 0 | this.collectionPath = collectionPath; |
304 | 0 | } |
305 | ||
306 | /** | |
307 | * For attribute fields that do not belong to the default form object (given | |
308 | * by the view), this field specifies the path to the object (on the form) | |
309 | * the attribute does belong to. | |
310 | * | |
311 | * <p> | |
312 | * e.g. Say we have an attribute field with property name 'number', that | |
313 | * belongs to the object given by the 'account' property on the form. The | |
314 | * form object path would therefore be set to 'account'. If the property | |
315 | * belonged to the object given by the 'document.header' property of the | |
316 | * form, the binding object path would be set to 'document.header'. Note if | |
317 | * the binding object path is not set for an attribute field (or any | |
318 | * <code>DataBinding</code> component), the binding object path configured | |
319 | * on the <code>View</code> will be used (unless bindToForm is set to true, | |
320 | * where is assumed the property is directly available from the form). | |
321 | * </p> | |
322 | * | |
323 | * @return String path to object from form | |
324 | */ | |
325 | public String getBindingObjectPath() { | |
326 | 0 | return this.bindingObjectPath; |
327 | } | |
328 | ||
329 | /** | |
330 | * Setter for the object path on the form | |
331 | * | |
332 | * @param bindingObjectPath | |
333 | */ | |
334 | public void setBindingObjectPath(String bindingObjectPath) { | |
335 | 0 | this.bindingObjectPath = bindingObjectPath; |
336 | 0 | } |
337 | ||
338 | /** | |
339 | * Indicates whether the parent object for the property that we are binding | |
340 | * to is a Map. If true the binding path will be adjusted to use the map key | |
341 | * syntax | |
342 | * | |
343 | * @return boolean true if the property binds to a map, false if it does not | |
344 | */ | |
345 | public boolean isBindToMap() { | |
346 | 0 | return this.bindToMap; |
347 | } | |
348 | ||
349 | /** | |
350 | * Setter for the bind to map indicator | |
351 | * | |
352 | * @param bindToMap | |
353 | */ | |
354 | public void setBindToMap(boolean bindToMap) { | |
355 | 0 | this.bindToMap = bindToMap; |
356 | 0 | } |
357 | ||
358 | } |