> I'm not sure how I can pass an embedded zone in the template as a parameter.
It sounds like what you are trying to do is have your inner component
render a block into a zone in the parent. What I would do is have the
page tell your inner component which block to render, and what zone to
update. If you want to change a value in the block then you are also
going to have to pass that value into your inner component.
Here is a really simple example:
/**
* Simple page class, contains a value that is rendered in a zone so
it can be updated
*/
public class AjaxPickedPage {
@Property
private String _value;
@Property
@Component
private Zone _pickedZone;
}
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";>
<body>
<t:ajaxpicker t:id="picker" zoneId="pickedZone"
renderBlock="pickedZone.body" t:value="value"/>
<t:zone t:id="pickedZone" id="pickedZone"> <!-- use both t:id and id
to make sure the zone id is fixed so you can safely pass it around -->
<t:ajaxpicked t:id="picked" t:value="value"/>
</t:zone>
</body>
</html>
/**
* component class which takes handles a "pick" event to update the
"value" parameter. The event returns the block Parameter, which does
something with the "value". The passed "zoneId" is used to tie the
template generated EventLink components to a zone in the page.
*/
public class AjaxPicker {
@Parameter
private String _value;
@Parameter
@Property
private Block _renderBlock;
@Parameter(defaultPrefix = "literal")
@Property
private String _zoneId;
@Inject
private ComponentResources _resources;
public Block onPick(String value) {
_value = value;
return _renderBlock;
}
}
<t:container xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";>
<t:loop source="1..5" t:value="var:value">
<t:eventLink event="pick" context="var:value"
zone="prop:zoneId">${var:value}</t:eventLink>
<br/>
</t:loop>
</t:container>
/**
* Renders a "value" parameter passed in by the container.
*/
public class AjaxPicked {
@Parameter
@Property
private String _value;
}
<t:container xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";>
This is the value! ${value}
</t:container>
Josh
On Tue, Aug 10, 2010 at 9:26 AM, Christian Koller
<christian.kol...@net-m.ch> wrote:
> Hi
>
> I'm not sure how I can pass an embedded zone in the template as a parameter.
> I tried for several hours but wasn't able to do that.
> I can inject the zone to the page but then, how can I handle the zone down to
> the sub component as parameter?
>
> I know about the publish params and inherit params, but it does not work with
> a zone as parameter or maybe I do something wrong.
>
> I'm considering to put the zone to the session as a sso and then grab for it
> in the needed sub component. What do you think about this solution?
>
>
> On 08.08.2010, at 18:33, Josh Canfield wrote:
>
>> It's generally not considered good design for a component to have knowledge
>> of the design of it's container. This would be a universal design principle,
>> not limited to tapestry.
>>
>> So if all you want to do is update a zone then couldn't you just pass the
>> zone or zone id as a parameter to your component?
>>
>> -- Josh
>>
>> On Aug 8, 2010, at 7:49 AM, Christian Koller <christian.kol...@net-m.ch>
>> wrote:
>>
>>> In an inner component I handle an ajax request from an action link and want
>>> to update a zone in a outer component.
>>>
>>> As a work around I use the ComponentSource like:
>>>
>>> Object onActionFromMark(long wishedStartTime) {
>>> this.wishedStartTime = wishedStartTime;
>>> CalendarComponent cal = (CalendarComponent)
>>> componentSource.getComponent("AppointmentPage:calendarCollection.cal0");
>>> return cal;
>>>
>>> Unfortunately I have to give the full id here with page name and so on.
>>> Is there no way to get an outer component to update a zone there?
>>>
>>>
>>> On 08.08.2010, at 16:37, Igor Drobiazko wrote:
>>>
>>>> Nope, this is not possible. What are you trying to do?
>>>>
>>>> On Sun, Aug 8, 2010 at 4:28 PM, Christian Koller
>>>> <christian.kol...@net-m.ch>wrote:
>>>>
>>>>> Hi
>>>>>
>>>>> With the annotation @Component I can inject components which are defined
>>>>> in
>>>>> the component's template, for example:
>>>>> @Component(id="myComponent")
>>>>> private ActionLink link;
>>>>>
>>>>> Is there a way to inject a component from the parent component? Something
>>>>> like:
>>>>> @Component(id="../myComponent")
>>>>> private ActionLink mark;
>>>>>
>>>>> Thank you
>>>>> chris
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Best regards,
>>>>
>>>> Igor Drobiazko
>>>> http://tapestry5.de
>>>
>>> Christian Koller
>>> Sofwareentwickler
>>>
>>> net mobile Schweiz AG
>>> Seestrasse 45
>>> CH ñ 8702 Zollikon
>>>
>>> Tel: + 41 (0) 44 918 99 99
>>> Fax: + 41 (0) 44 918 99 98
>>> Direkt: + 41 (0) 44 918 99 72
>>>
>>> Mail: christian.kol...@net-m.ch
>>> Web: www.net-m.ch
>>>
>>>
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>>>
>>
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>
> Christian Koller
> Sofwareentwickler
>
> net mobile Schweiz AG
> Seestrasse 45
> CH ñ 8702 Zollikon
>
> Tel: + 41 (0) 44 918 99 99
> Fax: + 41 (0) 44 918 99 98
> Direkt: + 41 (0) 44 918 99 72
>
> Mail: christian.kol...@net-m.ch
> Web: www.net-m.ch
>
>
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>
>
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