Re: Another newbie question
Re: Another newbie question
- Subject: Re: Another newbie question
- From: Mark Woollard <email@hidden>
- Date: Sun, 3 Jan 2010 02:52:35 +0000
Thanks for the input - a couple of questions on this.
1) Can't find ResourceManagerAdditions - what do I need to add?
2) Although not relevant for what I want to do, the frameworkName parameter isn't used.
Thanks
Mark
On 3 Jan 2010, at 02:24, Chuck Hill wrote:
> Hi Mark,
>
> This not part of WO, possibly due to concerns about efficiency and optimization (see JavaDoc below). You can add a method to your component (or better, to a custom super class) to achieve this:
>
> /**
> * Allows a component to "inherit" the template (.html and .wod files) from another component.
> * <p>Usage:</p>
> * <pre>
> * public WOElement template() {
> * return inheritTemplateFrom("AddAddress", "CoreUI");
> * }
> * </pre>
> * This very simple implementation does have some limitations:
> * <ol>
> * <li>It can't he used to inherit the template of another component inheriting a template.</li>
> * <li>It can't handle having two components with the same name in different packages</li>
> * <li>It does not use WO template caching</li>
> * </ol>
> *
> * @see com.webobjects.appserver.WOComponent#template()
> *
> * @param componentName the name of the component whose template will be inherited
> * @param frameworkName name of the framework the component is in, or null if in the application
> * @return the template form the indicated component
> */
> public WOElement inheritTemplateFrom(String componentName, String frameworkName)
> {
> String componentPath = componentName + ".wo/" + componentName + ".";
> String htmlString = ResourceManagerAdditions.stringFromResource(componentPath + "html", null, session().languages());
> String wodString = ResourceManagerAdditions.stringFromResource(componentPath + "wod", null, session().languages());
> return WOComponent.templateWithHTMLString(htmlString, wodString, session().languages());
> }
>
>
> Enjoy!
>
>
> Chuck
>
>
> On Jan 2, 2010, at 6:20 PM, Mark Woollard wrote:
>
>> Maybe expanding will make things clearer...
>>
>> There is a base component FieldEditor which does in-place editing using the AjaxInPlace component + 2 ERXWOTemplate instances for the edit and view modes. I then am wanting to derive from this to create StringFieldEditor / IntegerFieldEditor / etc that specialize the java to provide view and edit values in different ways as required. The html in FieldEditor component doesn't need to change, and it doesn't make sense to me to have multiple copies in the derived classes. What I'd like to happen is the base class html be used and the overridden getter methods in the derived java class provide the data for display. Is this an approach that applicable to WO? If not how would this be approached to limit duplication of code / html?
>>
>> Thanks
>> Mark
>>
>>
>> On 3 Jan 2010, at 02:04, Andrew Lindesay wrote:
>>
>>> Hi Mark;
>>>
>>> If I understand you correctly, I would typically create smaller re-usable components to put into two different larger components.
>>>
>>> cheers.
>>>
>>>> I have a component (java/html/api/woo/wod) and want to create a derived component that specialises some of the java functionality, but doesn't need to modify the html of the base component. I can't figure out how to get the derived component to return the base class html since the derived classes just extend the java class.
>>>
>>> ___
>>> Andrew Lindesay
>>> www.lindesay.co.nz
>>>
>>
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>
> --
> 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
>
>
>
>
>
>
>
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