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As of NetBeans 6.0, the VW requires that every component tag in the VW JSP page have the binding attribute which is bound using a value binding expression to a property of the backing page bean. This leads to bloating of the page bean especially with a page containing many components. Attribute binding should be optional
See for more details http://wiki.netbeans.org/wiki/view/OnDemandBindingAttribute http://wiki.netbeans.org/wiki/view/VW_binding_removal
*** Issue 123817 has been marked as a duplicate of this issue. ***
Some performance measurements regarding the binding attribute removal: http://wiki.netbeans.org/wiki/view/OnDemandBindingAttributePreliminaryResults
Non-UI changes for insync involving the following are done 1)No binding by default for components. They will be added whenever required such as while persisting property in java source 2)Markup beans are created based on jsp source and do not rely on java source
I read the spec and did not see any mention of cleaning up existing sources. Those of us who have projects created in previous versions would benefit greatly from a way to clean up all of the unused bindings that were already created. Manually selecting "Remove Binding Attribute" for every component on every page in a project would be very tiresome. Even if this was an unsupported plugin, it would still be very helpful. Along the same lines, it would be nice if there was an option for "Fix Binding Attributes" that would work much like the "Fix Imports" option. The option would remove any binding attributes that are not used in the backing bean java file and add any that are used without the binding actually existing.
"Fix Binding Attribute" is a one time requirement for imported project. Probably it makes sense to provide autoupdate module to do such clean up.
Implemented the Add Binding Attribute and Remove Binding Attribute actions. See the issue and http://wiki.netbeans.org/wiki/view/OnDemandBindingAttribute for more details. TODO: Handle the case when there are references to the property in user code while performing the Remove Binding Attribute action. Checking in src/org/netbeans/modules/visualweb/insync/mf-layer.xml; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/mf-layer.xml,v <-- mf-layer.xml new revision: 1.4; previous revision: 1.3 done RCS file: /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/action/AddRemoveBindingAttributeAction.java,v done Checking in src/org/netbeans/modules/visualweb/insync/action/AddRemoveBindingAttributeAction.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/action/AddRemoveBindingAttributeAction.java,v <-- AddRemoveBindingAttributeAction.java initial revision: 1.1 done Checking in src/org/netbeans/modules/visualweb/insync/action/Bundle.properties; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/action/Bundle.properties,v <-- Bundle.properties new revision: 1.3; previous revision: 1.2 done Checking in src/org/netbeans/modules/visualweb/insync/beans/BeansUnit.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/beans/BeansUnit.java,v <-- BeansUnit.java new revision: 1.22; previous revision: 1.21 done Checking in src/org/netbeans/modules/visualweb/insync/faces/FacesBean.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/faces/FacesBean.java,v <-- FacesBean.java new revision: 1.8; previous revision: 1.7 done Checking in src/org/netbeans/modules/visualweb/insync/faces/MarkupBean.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/faces/MarkupBean.java,v <-- MarkupBean.java new revision: 1.7; previous revision: 1.6 done
CVS update: /visualweb/jsfsupport/src/org/netbeans/modules/visualweb/jsfsupport/container/ User: wjprakash Date: 2008/01/03 18:27:36 Modified: visualweb/jsfsupport/src/org/netbeans/modules/visualweb/jsfsupport/container/FacesContainer.java visualweb/jsfsupport/src/org/netbeans/modules/visualweb/jsfsupport/container/JsfTagSupport.java visualweb/jsfsupport/src/org/netbeans/modules/visualweb/jsfsupport/container/Bundle.properties CVS update: /visualweb/project/jsf/src/org/netbeans/modules/visualweb/project/jsf/resources/templates/ User: wjprakash Date: 2008/01/04 11:10:55 Modified: visualweb/project/jsf/src/org/netbeans/modules/visualweb/project/jsf/resources/templates/Page.java.template visualweb/project/jsf/src/org/netbeans/modules/visualweb/project/jsf/resources/templates/Page.jsp.template
Added methods in FacesBean to 1)Check the usage of bean binding to notify user if component binding can be removed or not 2)Remove component bean binding. This also removes any property set statements for the bean in _init() method Checking in faces/FacesPageUnit.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/faces/FacesPageUnit.java,v <-- FacesPageUnit.java new revision: 1.17; previous revision: 1.16 done Checking in faces/FacesBean.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/faces/FacesBean.java,v <-- FacesBean.java new revision: 1.9; previous revision: 1.8 done Checking in java/JavaClass.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/java/JavaClass.java,v <-- JavaClass.java new revision: 1.17; previous revision: 1.16 done Checking in beans/BeansUnit.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/beans/BeansUnit.java,v <-- BeansUnit.java new revision: 1.23; previous revision: 1.22 done
Changes to update the property sheet when the component binding attribute is removed. Also code cleanup Checking in live/FacesDesignBean.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/live/FacesDesignBean.java,v <-- FacesDesignBean.java new revision: 1.3; previous revision: 1.2 done Checking in action/AddRemoveBindingAttributeAction.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/action/AddRemoveBindingAttributeAction.java,v <-- AddRemoveBindingAttributeAction.java new revision: 1.2; previous revision: 1.1 done Checking in java/JavaClass.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/java/JavaClass.java,v <-- JavaClass.java new revision: 1.18; previous revision: 1.17 done Checking in beans/BeansUnit.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/beans/BeansUnit.java,v <-- BeansUnit.java new revision: 1.24; previous revision: 1.23 done Checking in faces/FacesBean.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/faces/FacesBean.java,v <-- FacesBean.java new revision: 1.10; previous revision: 1.9 done
Additional change to Remove Binding Attribute action. Check for binding usage before removing the binding. Checking in src/org/netbeans/modules/visualweb/insync/action/AddRemoveBindingAttributeAction.java; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/action/AddRemoveBindingAttributeAction.java,v <-- AddRemoveBindingAttributeAction.java new revision: 1.3; previous revision: 1.2 done Checking in src/org/netbeans/modules/visualweb/insync/action/Bundle.properties; /cvs/visualweb/insync/src/org/netbeans/modules/visualweb/insync/action/Bundle.properties,v <-- Bundle.properties new revision: 1.4; previous revision: 1.3 done