Johann Werner gave a presentation at WOWODC12 on Dynamic Elements titled “Dynamic Elements”. July 2, 2012
you may want to view this presentation. I think it is very clear! On Jan 28, 2015, at 12:01 PM, Robert B. Hanviriyapunt <[email protected]> wrote: > Daniele, > > If your components auto synchronize (true, by default), then all you would > need to do is add a binding. > > MyList.api > - add mySelection binding (when bound, this will cause array to be pushed > down to the subcomponent as well as pushed up from the subcomponent at > various times in request-response cycle) > > if MyList does NOT auto synchronize, then you will need to at the least code > push up to parent to have the parent get the value, OR use a shortcut (at > least I know this shortcut is available in the WOD file): > > MyList.wod: > > Foo : MyList { > mySelection = ^mySelection; > } > > Then bind a var in the parent component to the subcomponent > > MyPage.wo > - add binding <wo:MyList mySelection=“$myPageMySelection”/> > > see: > http://en.wikibooks.org/wiki/WebObjects/Web_Applications/Development/WO_Component/Binding_Synchronization > > But in general, pages/components don’t have direct access to subcomponents. > They push/pull values via bindings or share objects whose attributes can be > seen by both component classes. > > -- > Robert B. Hanviriyapunt > Director of Product Development and Architecture > > > <LStreetC-logo-for-mail.png> / EDC Technology > > Direct 312.246.5509 > Fax 630.243.5799 > > [email protected] > [email protected] > http://www.EDCTechnology.com > > > > On Jan 28, 2015, at 8:00 AM, [email protected] wrote: > >> Hi Amedeo, >> thanks for the answer, but, sorry, I'm not sure to understand it. >> AFAIK, WODynamicElement >> is a simple HTML Element, not a component, so I cannot assign a .wo file to >> it (or am I wrong?). >> >> Anyway, I'm trying to change my example by moving the submit button on the >> SubComponent and using context().page().takeValueForKey(Object value, >> String key) in the SubComponent Action to set the value in the Parent >> Component, last I call performParentAction(String action) to do the login >> in the parent. >> >> Not sure if this is the best way, but seems to work. >> >> Thank you, >> __ >> Daniele >> >> >> 2015-01-28 14:02 GMT+01:00 Amedeo Mantica <[email protected]>: >> >>> The only way is to use a WODynamicElement as subcomponent instead of a >>> WOComponent >>> >>> Sent from my iPhone >>> >>>> On 28/gen/2015, at 12:46, Daniele Corti <[email protected]> wrote: >>>> >>>> Hi list, >>>> I don't know if what I want to do is the best approach: >>>> >>>> I would like to create a Main Component Page that call a reusable >>> SubComponent >>>> >>>> Example: >>>> >>>> MyPage.wo: >>>> <h1>My Page</h1> >>>> >>>> <wo:form multipleSubmit="$true"> >>>> <wo:submitButton action="$myAction">Do It!</wo:subimtButton> >>>> <wo:MyList></wo:MyList> >>>> </wo:form> >>>> >>>> in the Subcomponent there is a List of Checkbox >>>> >>>> MyList.wo: >>>> <ul> >>>> <wo:loop list="$myList" item="$myItem"> >>>> <li><wo:checkBox selection="$mySelection" >>> value="$true"></wo:checkBox></li> >>>> </wo:loop> >>>> </ul> >>>> >>>> I would like to obtain the checked objects of the subcomponent, but I >>> don't know how can I get the subcomponent from the Parent MyPage. >>>> >>>> I know I can put the button in the subcomponent and call >>> performParentAction, but I would like to put all the logic inside the >>> MyPage component, and simply display values in the MyList component. >>>> >>>> Is this possible (first of all)? And, if so, how can I reach >>> subcomponents from parent? >>>> >>>> Thank you in advance! >>>> >>>> -- >>>> Daniele Corti >>>> -- >>>> I DON'T DoubleClick >>>> _______________________________________________ >>>> Do not post admin requests to the list. They will be ignored. >>>> Webobjects-dev mailing list ([email protected]) >>>> Help/Unsubscribe/Update your Subscription: >>>> >>> https://lists.apple.com/mailman/options/webobjects-dev/amedeomantica%40me.com >>>> >>>> This email sent to [email protected] > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/tedpet5%40yahoo.com > > This email sent to [email protected]
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