As you know by now, I'm still trying to learn the ropes in webobjects, the slightly hacky thing makes sense to me at this point. I'll have to read up on Direct to web and figure how to use it.
Nonetheless, thank you for your insights Chuck! Amiel On Tue, Mar 3, 2009 at 1:30 PM, Chuck Hill <[email protected]> wrote: > > On Mar 2, 2009, at 9:10 PM, amiel montecillo wrote: > > Hello Chuck, >> >> Actually that is what I ended up doing right now. Handling the actions in >> EMRecipientAjaxGridCell which works fine. >> >> The reason I wanted the action to be handled in the parent is that, I have >> quite a few grids. Each grid has different EO models. Each model can be >> deleted/updated from the grid directly. On "Update", the user is taken to >> the "update" page for that particular model/item. On "Delete" taken to a >> confirmation page of that model/item. ... etc. >> >> So, I wanted to avoid repeatedly writing cell components like >> EMRecipientAjaxGridCell for each kind of grid. >> > > So each page is different? I'd try to simplify this even more. (and will > just briefly say Direct to Web). Name your update / delete pages according > to the entity, e.g. UpdateOffice, UpdateCustomer, DeleteOffice, > DeleteCustomer where Office, Customer etc is the name of the Entity in the > model. Then you only need one grid cell component that can do something > like: > > public WOComponent update() { > String pageName = "com.foo.bar.updating.Update" + > grid().row().entityName(); > UpdatePage updatePage = (UpdatePage) pageWithName(pageName); > updatePage.setObject(grid().row()); > return updatePage; > } > > > Another (slightly hacky) idea is to create an interface with methods like > update(EOEnterpriseObject) and update(EOEnterpriseObject). Make your top > level pages implement this interface. So if this interface is called > CRUDPage the update() method becomes: > > public WOComponent update() { > return ((CRUDPage)context().page()).update(grid().row()); > } > > > > (I'm kind of lazy ;) ). Am I making sense? (besides the lazy part) ;) >> > > The lazy part is a programmer virtue. Don't even let anyone dissuade you > from being as lazy as possible. > http://c2.com/cgi/wiki?LazinessImpatienceHubris > > > Chuck > > > > >> On Tue, Mar 3, 2009 at 12:47 PM, Chuck Hill <[email protected]> >> wrote: >> Hi Amiel, >> >> >> On Mar 2, 2009, at 8:18 PM, amiel montecillo wrote: >> >> So I tried to do the Chuck way and he was right, >> >> "There are two ways to do things, the Chuck way and the wrong way". :-P >> >> >> >> I did get to keep the pieces. Most notably a stacktrace :) >> >> I was not really expecting that. I've had that happen to me before, but I >> don't recall what caused it. >> >> Why do you need to process the action in Main? Why can't >> EMRecipientAjaxGridCell handle the action itself? Is it missing some >> information? Is the action too specific and this component too general? >> Supply some more details and I will see if I can find a solution for you. >> >> >> Chuck >> >> >> >> >> >> Mar 03 12:07:57 EMManager[5555] DEBUG >> com.ods.marketing.app.emmanager.components.email.EMRecipientAjaxGridCell - >> parent binding value: delete >> Mar 03 12:07:57 EMManager[5555] DEBUG >> com.ods.marketing.app.emmanager.components.Main - DeleteAction called. <-- >> parent was indeed called! >> Mar 03 12:07:57 EMManager[5555] WARN NSLog - >> <com.webobjects.appserver._private.WOComponentRequestHandler>: Exception >> occurred while handling request: >> java.lang.NullPointerException >> [2009-3-3 12:7:57 CST] <WorkerThread8> java.lang.NullPointerException >> at >> com.webobjects.appserver._private.WOComponentReference._popComponentFromContext(WOComponentReference.java:108) >> at >> com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:128) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) >> at >> er.extensions.components.conditionals.ERXElse.invokeAction(ERXElse.java:43) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) >> at er.ajax.AjaxDynamicElement.invokeAction(AjaxDynamicElement.java:98) >> at er.ajax.AjaxUpdateContainer.invokeAction(AjaxUpdateContainer.java:62) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) >> at >> com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1079) >> at >> er.extensions.components.ERXComponent.invokeAction(ERXComponent.java:92) >> at >> com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:127) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) >> at >> er.extensions.components.ERXWOComponentContent.invokeAction(ERXWOComponentContent.java:217) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) >> at >> com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1079) >> at >> er.extensions.components.ERXComponent.invokeAction(ERXComponent.java:92) >> at >> com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:127) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) >> at >> com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1079) >> at >> er.extensions.components.ERXComponent.invokeAction(ERXComponent.java:92) >> at com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1357) >> at >> com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1745) >> at >> er.extensions.appserver.ajax.ERXAjaxApplication.invokeAction(ERXAjaxApplication.java:49) >> at >> er.extensions.appserver.ERXApplication.invokeAction(ERXApplication.java:1622) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedPage(WOComponentRequestHandler.java:206) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:298) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:332) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442) >> at >> com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687) >> at >> er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1737) >> at >> er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1702) >> at >> com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144) >> at >> com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226) >> at java.lang.Thread.run(Thread.java:595) >> >> >> >> On Tue, Mar 3, 2009 at 11:49 AM, Chuck Hill <[email protected]> >> wrote: >> >> On Mar 2, 2009, at 7:40 PM, Andrew Lindesay wrote: >> >> Hello Amiel; >> >> I think I understand your question; you have a component in which you want >> the action to be fired on the parent component? Try to use the "^" as in; >> >> ^goDelete >> >> This will invoke the method "goDelete" in the parent component. >> >> The problem here is that components are inserted into AjaxGrid cells via >> WOSwitchComponent and the only bindings are: >> >> ColumnValue: WOSwitchComponent { >> WOComponentName = columnComponentName; >> value = columnValue; >> grid = thisComponent; >> } >> >> This situations requires a little trickery or a different design. >> grid.parent should return the component that holds the grid. So you can do >> grid().parent().performActionNamed("foo"), but it if breaks you get to keep >> the pieces. :-) >> >> >> Chuck >> >> >> >> >> >> cheers. >> >> The reason I asked this is that I wanted to embed the CRUD component to >> one of the cells in an AjaxGrid. and needed the "Delete" and "Update" action >> to be fired in the parent component of the AjaxGrid instead of the CRUD >> component. So the CRUD can be reusable. >> >> ___ >> Andrew Lindesay >> www.lindesay.co.nz >> >> >> >> -- >> Chuck Hill Senior Consultant / VP Development >> >> Practical WebObjects - for developers who want to increase their overall >> knowledge of WebObjects or who are trying to solve specific problems. >> http://www.global-village.net/products/practical_webobjects >> >> >> >> >> >> >> >> >> >> -- >> socket error: unable to connect to 127.0.0.1 >> >> -- >> Chuck Hill Senior Consultant / VP Development >> >> Practical WebObjects - for developers who want to increase their overall >> knowledge of WebObjects or who are trying to solve specific problems. >> http://www.global-village.net/products/practical_webobjects >> >> >> >> >> >> >> >> >> >> -- >> socket error: unable to connect to 127.0.0.1 >> > > -- > Chuck Hill Senior Consultant / VP Development > > Practical WebObjects - for developers who want to increase their overall > knowledge of WebObjects or who are trying to solve specific problems. > http://www.global-village.net/products/practical_webobjects > > > > > > > -- socket error: unable to connect to 127.0.0.1
_______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
