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package org.apache.myfaces.view.facelets.tag.composite; |
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import java.io.IOException; |
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import java.util.Map; |
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import javax.faces.FacesException; |
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import javax.faces.component.StateHolder; |
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import javax.faces.component.UIComponent; |
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import javax.faces.context.FacesContext; |
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import javax.faces.event.ComponentSystemEvent; |
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import javax.faces.event.ComponentSystemEventListener; |
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import javax.faces.view.facelets.Facelet; |
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import org.apache.myfaces.config.RuntimeConfig; |
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import org.apache.myfaces.view.facelets.AbstractFacelet; |
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import org.apache.myfaces.view.facelets.DynamicComponentRefreshTransientBuildEvent; |
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import org.apache.myfaces.view.facelets.FaceletCompositionContext; |
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import org.apache.myfaces.view.facelets.FaceletDynamicComponentRefreshTransientBuildEvent; |
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import org.apache.myfaces.view.facelets.FaceletFactory; |
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import org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage; |
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import org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguageBase; |
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import org.apache.myfaces.view.facelets.compiler.RefreshDynamicComponentListener; |
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import org.apache.myfaces.view.facelets.tag.jsf.ComponentSupport; |
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public class CreateDynamicCompositeComponentListener |
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implements ComponentSystemEventListener, StateHolder |
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{ |
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private String taglibURI; |
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private String tagName; |
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private Map<String,Object> attributes; |
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private String baseKey; |
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|
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public CreateDynamicCompositeComponentListener(String taglibURI, String tagName, |
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Map<String, Object> attributes, String baseKey) |
57 | 0 | { |
58 | 0 | this.taglibURI = taglibURI; |
59 | 0 | this.tagName = tagName; |
60 | 0 | this.attributes = attributes; |
61 | 0 | this.baseKey = baseKey; |
62 | 0 | } |
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|
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public CreateDynamicCompositeComponentListener() |
65 | 0 | { |
66 | 0 | } |
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|
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public void processEvent(ComponentSystemEvent event) |
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{ |
70 | 0 | FacesContext facesContext = FacesContext.getCurrentInstance(); |
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|
72 | 0 | FaceletViewDeclarationLanguage vdl = (FaceletViewDeclarationLanguage) |
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facesContext.getApplication().getViewHandler().getViewDeclarationLanguage( |
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facesContext, facesContext.getViewRoot().getViewId()); |
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|
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Facelet componentFacelet; |
77 | 0 | FaceletFactory faceletFactory = vdl.getFaceletFactory(); |
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|
79 | 0 | FaceletFactory.setInstance(faceletFactory); |
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try |
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{ |
82 | 0 | componentFacelet |
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= faceletFactory.compileComponentFacelet(taglibURI, tagName, attributes); |
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} |
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finally |
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{ |
87 | 0 | FaceletFactory.setInstance(null); |
88 | 0 | } |
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|
90 | 0 | UIComponent component = event.getComponent(); |
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|
96 | 0 | Integer step = (Integer) component.getAttributes().get( |
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CompositeComponentResourceTagHandler.CREATE_CC_ON_POST_ADD_TO_VIEW); |
98 | 0 | if (step != null && step.intValue() == 0) |
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{ |
100 | 0 | component.getAttributes().put(CompositeComponentResourceTagHandler.CREATE_CC_ON_POST_ADD_TO_VIEW, 1); |
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} |
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else |
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{ |
104 | 0 | return; |
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} |
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try |
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{ |
108 | 0 | facesContext.getAttributes().put(FaceletViewDeclarationLanguage.REFRESHING_TRANSIENT_BUILD, |
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Boolean.TRUE); |
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|
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|
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|
114 | 0 | UIComponent parent = component.getParent(); |
115 | 0 | String facetName = null; |
116 | 0 | if (parent.getFacetCount() > 0 && !parent.getChildren().contains(component)) |
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{ |
118 | 0 | facetName = ComponentSupport.findFacetNameByComponentInstance(parent, component); |
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} |
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|
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|
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try |
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{ |
124 | 0 | if (facetName != null) |
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{ |
126 | 0 | parent.getAttributes().put(org.apache.myfaces.view.facelets.tag.jsf.core.FacetHandler.KEY, |
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facetName); |
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} |
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|
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|
131 | 0 | String markId = (String) component.getAttributes().get("oam.vf.GEN_MARK_ID"); |
132 | 0 | if (markId == null) |
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{ |
134 | 0 | ((AbstractFacelet)componentFacelet).applyDynamicComponentHandler( |
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facesContext, component, baseKey); |
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} |
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else |
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{ |
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try |
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{ |
141 | 0 | component.getAttributes().put(ComponentSupport.MARK_CREATED, markId); |
142 | 0 | ((AbstractFacelet)componentFacelet).applyDynamicComponentHandler( |
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facesContext, component.getParent(), baseKey); |
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} |
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finally |
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{ |
147 | 0 | component.getAttributes().put(ComponentSupport.MARK_CREATED, null); |
148 | 0 | } |
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} |
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|
151 | 0 | if (FaceletViewDeclarationLanguageBase.isDynamicComponentNeedsRefresh(facesContext)) |
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{ |
153 | 0 | FaceletCompositionContext fcc = FaceletCompositionContext.getCurrentInstance(facesContext); |
154 | 0 | if (fcc == null) |
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{ |
156 | 0 | FaceletViewDeclarationLanguageBase.activateDynamicComponentRefreshTransientBuild(facesContext); |
157 | 0 | FaceletViewDeclarationLanguageBase.resetDynamicComponentNeedsRefreshFlag(facesContext); |
158 | 0 | component.subscribeToEvent(DynamicComponentRefreshTransientBuildEvent.class, new |
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RefreshDynamicComponentListener(taglibURI, tagName, attributes, baseKey)); |
160 | 0 | component.getAttributes().put( |
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DynamicComponentRefreshTransientBuildEvent.DYN_COMP_REFRESH_FLAG, Boolean.TRUE); |
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|
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} |
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else |
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{ |
166 | 0 | component.subscribeToEvent(FaceletDynamicComponentRefreshTransientBuildEvent.class, new |
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RefreshDynamicComponentListener(taglibURI, tagName, attributes, baseKey)); |
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} |
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} |
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} |
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finally |
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{ |
173 | 0 | if (facetName != null) |
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{ |
175 | 0 | parent.getAttributes().remove(org.apache.myfaces.view.facelets.tag.jsf.core.FacetHandler.KEY); |
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} |
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} |
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} |
179 | 0 | catch (IOException e) |
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{ |
181 | 0 | throw new FacesException(e); |
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} |
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finally |
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{ |
185 | 0 | facesContext.getAttributes().remove( |
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FaceletViewDeclarationLanguage.REFRESHING_TRANSIENT_BUILD); |
187 | 0 | } |
188 | 0 | } |
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|
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public Object saveState(FacesContext context) |
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{ |
192 | 0 | RuntimeConfig runtimeConfig = RuntimeConfig.getCurrentInstance( |
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context.getExternalContext()); |
194 | 0 | Object[] values = new Object[4]; |
195 | 0 | Integer tagId = runtimeConfig.getIdByNamespace().get(taglibURI); |
196 | 0 | if (tagId != null) |
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{ |
198 | 0 | values[0] = tagId; |
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} |
200 | 0 | else if (taglibURI.startsWith(CompositeResourceLibrary.NAMESPACE_PREFIX)) |
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{ |
202 | 0 | values[0] = new Object[]{0, taglibURI.substring(35)}; |
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} |
204 | 0 | else if(taglibURI.startsWith(CompositeResourceLibrary.ALIAS_NAMESPACE_PREFIX)) |
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{ |
206 | 0 | values[0] = new Object[]{1, taglibURI.substring(34)}; |
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} |
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else |
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{ |
210 | 0 | values[0] = taglibURI; |
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} |
212 | 0 | values[1] = tagName; |
213 | 0 | values[2] = attributes; |
214 | 0 | values[3] = baseKey; |
215 | 0 | return values; |
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} |
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|
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public void restoreState(FacesContext context, Object state) |
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{ |
220 | 0 | Object[] values = (Object[]) state; |
221 | 0 | if (values[0] instanceof String) |
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{ |
223 | 0 | taglibURI = (String) values[0]; |
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} |
225 | 0 | else if (values[0] instanceof Integer) |
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{ |
227 | 0 | RuntimeConfig runtimeConfig = RuntimeConfig.getCurrentInstance( |
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context.getExternalContext()); |
229 | 0 | taglibURI = runtimeConfig.getNamespaceById().get((Integer)values[0]); |
230 | 0 | } |
231 | 0 | else if (values[0] instanceof Object[]) |
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{ |
233 | 0 | Object[] def = (Object[])values[0]; |
234 | 0 | String ns = ( ((Integer)def[0]).intValue() == 0) ? |
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CompositeResourceLibrary.NAMESPACE_PREFIX : |
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CompositeResourceLibrary.ALIAS_NAMESPACE_PREFIX; |
237 | 0 | taglibURI = ns + (String)(((Object[])values[0])[1]); |
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} |
239 | 0 | tagName = (String)values[1]; |
240 | 0 | attributes = (Map<String,Object>) values[2]; |
241 | 0 | baseKey = (String)values[3]; |
242 | 0 | } |
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|
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public boolean isTransient() |
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{ |
246 | 0 | return false; |
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} |
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|
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public void setTransient(boolean newTransientValue) |
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{ |
251 | 0 | } |
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|
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} |