Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
LayoutManager |
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| 1.0;1 |
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.layout; | |
17 | ||
18 | import org.kuali.rice.krad.uif.container.Container; | |
19 | import org.kuali.rice.krad.uif.view.View; | |
20 | import org.kuali.rice.krad.uif.component.Component; | |
21 | import org.kuali.rice.krad.uif.component.Configurable; | |
22 | import org.kuali.rice.krad.uif.component.PropertyReplacer; | |
23 | import org.kuali.rice.krad.uif.service.ViewHelperService; | |
24 | ||
25 | import java.io.Serializable; | |
26 | import java.util.List; | |
27 | import java.util.Map; | |
28 | import java.util.Set; | |
29 | ||
30 | /** | |
31 | * Manages the rendering of <code>Component</code> instances within a | |
32 | * <code>Container</code> | |
33 | * | |
34 | * @author Kuali Rice Team (rice.collab@kuali.org) | |
35 | */ | |
36 | public interface LayoutManager extends Configurable, Serializable { | |
37 | ||
38 | /** | |
39 | * The unique id (within a given tree) for the layout manager instance | |
40 | * | |
41 | * <p> | |
42 | * The id is used to identify a <code>LayoutManager</code> instance within | |
43 | * the tree and can be used by renderers | |
44 | * </p> | |
45 | * | |
46 | * @return String id | |
47 | */ | |
48 | public String getId(); | |
49 | ||
50 | /** | |
51 | * Sets the unique id (within a given tree) for the layout manager | |
52 | * | |
53 | * @param id | |
54 | * - string to set as the layout manager id | |
55 | */ | |
56 | public void setId(String id); | |
57 | ||
58 | /** | |
59 | * The path to the JSP file that should be called to invoke the layout | |
60 | * manager | |
61 | * | |
62 | * <p> | |
63 | * The path should be relative to the web root. All layout manager templates | |
64 | * receive the list of items of be placed, the configured layout manager, | |
65 | * and the container to which the layout manager applies | |
66 | * </p> | |
67 | * | |
68 | * <p> | |
69 | * e.g. '/krad/WEB-INF/jsp/tiles/boxLayout.jsp' | |
70 | * </p> | |
71 | * | |
72 | * @return String representing the template path | |
73 | */ | |
74 | public String getTemplate(); | |
75 | ||
76 | /** | |
77 | * Setter for the layout managers template | |
78 | * | |
79 | * @param template | |
80 | */ | |
81 | public void setTemplate(String template); | |
82 | ||
83 | /** | |
84 | * Should be called to initialize the layout manager | |
85 | * | |
86 | * <p> | |
87 | * This is where layout managers can set defaults and setup other necessary | |
88 | * state. The initialize method should only be called once per layout | |
89 | * manager lifecycle and is invoked within the initialize phase of the view | |
90 | * lifecylce. | |
91 | * </p> | |
92 | * | |
93 | * @param view | |
94 | * - View instance the layout manager is a part of | |
95 | * @param model - the object instance containing the view data | |
96 | * @param container | |
97 | * - Container the layout manager applies to | |
98 | * @see ViewHelperService#performInitialization | |
99 | */ | |
100 | public void performInitialization(View view, Object model, Container container); | |
101 | ||
102 | /** | |
103 | * Called after the initialize phase to perform conditional logic based on | |
104 | * the model data | |
105 | * | |
106 | * @param view | |
107 | * - view instance to which the layout manager belongs | |
108 | * @param model | |
109 | * - Top level object containing the data (could be the form or a | |
110 | * top level business object, dto) | |
111 | * @param container | |
112 | * - Container the layout manager applies to | |
113 | */ | |
114 | public void performApplyModel(View view, Object model, Container container); | |
115 | ||
116 | /** | |
117 | * The last phase before the view is rendered. Here final preparations can | |
118 | * be made based on the updated view state | |
119 | * | |
120 | * | |
121 | * @param view | |
122 | * - view instance that should be finalized for rendering | |
123 | * @param model | |
124 | * - top level object containing the data | |
125 | * @param container | |
126 | * - Container the layout manager applies to | |
127 | */ | |
128 | public void performFinalize(View view, Object model, Container container); | |
129 | ||
130 | /** | |
131 | * Determines what <code>Container</code> classes are supported by the | |
132 | * <code>LayoutManager</code> | |
133 | * | |
134 | * @return Class<? extends Container> container class supported | |
135 | */ | |
136 | public Class<? extends Container> getSupportedContainer(); | |
137 | ||
138 | /** | |
139 | * List of components that are contained within the layout manager that should be sent through the lifecycle | |
140 | * | |
141 | * <p> | |
142 | * Used by <code>ViewHelperService</code> for the various lifecycle | |
143 | * callbacks | |
144 | * </p> | |
145 | * | |
146 | * @return List<Component> child components | |
147 | */ | |
148 | public List<Component> getComponentsForLifecycle(); | |
149 | ||
150 | /** | |
151 | * List of components that are maintained by the layout manager as prototypes for creating other component | |
152 | * instances | |
153 | * | |
154 | * <p> | |
155 | * Prototypes are held for configuring how a component should be created during the lifecycle. An example of this | |
156 | * are the fields in a collection group that are created for each collection record. They only participate in the | |
157 | * initialize phase. | |
158 | * </p> | |
159 | * | |
160 | * @return List<Component> child component prototypes | |
161 | */ | |
162 | public List<Component> getComponentPrototypes(); | |
163 | ||
164 | /** | |
165 | * Used by the copy process to determine for which properties only the value | |
166 | * reference should be copied (not a new copy instance). Subclasses can | |
167 | * define the properties for which only the reference should be copied | |
168 | * | |
169 | * @return Set<String> property names for which only the value reference | |
170 | * should be copied | |
171 | * @see org.kuali.rice.krad.uif.util.ComponentUtils.copy(T) | |
172 | */ | |
173 | public Set<String> getPropertiesForReferenceCopy(); | |
174 | ||
175 | /** | |
176 | * CSS style string to be applied to the area (div) the layout manager | |
177 | * generates for the items | |
178 | * | |
179 | * <p> | |
180 | * Note the styleClass/style configured on the <code>Container</code> | |
181 | * applies to all the container content (header, body, footer), while the | |
182 | * styleClass/style configured on the <code>LayoutManager</code> only | |
183 | * applies to the div surrounding the items placed by the manager (the | |
184 | * container's body) | |
185 | * </p> | |
186 | * | |
187 | * <p> | |
188 | * Any style override or additions can be specified with this attribute. | |
189 | * This is used by the renderer to set the style attribute on the | |
190 | * corresponding element. | |
191 | * </p> | |
192 | * | |
193 | * <p> | |
194 | * e.g. 'color: #000000;text-decoration: underline;' | |
195 | * </p> | |
196 | * | |
197 | * @return String css style string | |
198 | */ | |
199 | public String getStyle(); | |
200 | ||
201 | /** | |
202 | * Setter for the layout manager div style | |
203 | * | |
204 | * @param style | |
205 | */ | |
206 | public void setStyle(String style); | |
207 | ||
208 | /** | |
209 | * CSS style class(s) to be applied to the area (div) the layout manager | |
210 | * generates for the items | |
211 | * | |
212 | * <p> | |
213 | * Note the styleClass/style configured on the <code>Container</code> | |
214 | * applies to all the container content (header, body, footer), while the | |
215 | * styleClass/style configured on the <code>LayoutManager</code> only | |
216 | * applies to the div surrounding the items placed by the manager (the | |
217 | * container's body) | |
218 | * </p> | |
219 | * | |
220 | * <p> | |
221 | * Declares additional style classes for the div. Multiple classes are | |
222 | * specified with a space delimiter. This is used by the renderer to set the | |
223 | * class attribute on the corresponding element. The class(s) declared must | |
224 | * be available in the common style sheets or the style sheets specified for | |
225 | * the view | |
226 | * </p> | |
227 | * | |
228 | * <p> | |
229 | * e.g. 'header left' | |
230 | * </p> | |
231 | * | |
232 | * @return List<String> css style classes to apply | |
233 | */ | |
234 | public List<String> getStyleClasses(); | |
235 | ||
236 | /** | |
237 | * Setter for the layout manager div style class | |
238 | * | |
239 | * @param styleClass | |
240 | */ | |
241 | public void setStyleClasses(List<String> styleClasses); | |
242 | ||
243 | /** | |
244 | * This method adds a single style class to the list of css style classes on this component | |
245 | * | |
246 | * @param style | |
247 | */ | |
248 | public void addStyleClass(String styleClass); | |
249 | ||
250 | /** | |
251 | * Context map for the layout manager | |
252 | * | |
253 | * @return Map<String, Object> context | |
254 | * @see org.kuali.rice.krad.uif.Component.getContext() | |
255 | */ | |
256 | public Map<String, Object> getContext(); | |
257 | ||
258 | /** | |
259 | * Setter for the context Map | |
260 | * | |
261 | * @param context | |
262 | * @see org.kuali.rice.krad.uif.Component.setElContext(Map<String, Object>) | |
263 | */ | |
264 | public void setContext(Map<String, Object> context); | |
265 | ||
266 | /** | |
267 | * Places the given object into the context Map for the layout manager | |
268 | * with the given name | |
269 | * | |
270 | * @see org.kuali.rice.krad.uif.Component.pushObjectToContext(String, | |
271 | * Object) | |
272 | */ | |
273 | public void pushObjectToContext(String objectName, Object object); | |
274 | ||
275 | /** | |
276 | * List of <code>PropertyReplacer</code> instances that will be | |
277 | * evaluated during the view lifecycle to conditional set properties on the | |
278 | * <code>LayoutManager</code> based on expression evaluations | |
279 | * | |
280 | * @return List<PropertyReplacer> replacers to evaluate | |
281 | */ | |
282 | public List<PropertyReplacer> getPropertyReplacers(); | |
283 | ||
284 | /** | |
285 | * Setter for the layout managers property substitutions | |
286 | * | |
287 | * @param propertyReplacers | |
288 | */ | |
289 | public void setPropertyReplacers(List<PropertyReplacer> propertyReplacers); | |
290 | ||
291 | } |