Custom XForm code to populate Repeated Grid

Hi Alex,

I'm progressing on this task. I've saved the response of the Action to a dataset. Currently, I'm trying to populate the grid on a button click (a trigger, in terms of XForms ;)) as you've mentioned in the previous reply. I've also understood how the actual form definition is constructed based on UI actions and is utilized to produce the Orbeon web form. 

As per my understanding, the final result is to simply add the elements of grid-x-iteration(with values) to the main instance of fr-form-instance after the button is clicked. In the <xh:body> the form will be superbly created from the main instance. It's beautiful to see that other than the main instance rest of the code is never updated. The data would be stored in a dataset and can be retrieved using the fr:dataset() function. <xf:insert> and <xf:repeat> are the helping friends to achieve this. I've gone through the syntax of both of them and tried to add an element to the main instance. 

I'm confronting with the following:

Where to place the <xf:insert> in order to add the grid-x-iteration elements? I tried it placing in the <xf:trigger> element itself in the <xh:body>

What is the value of the context attribute of the <xf:insert> element? I see that the rest of the controls are referenced using the bind attribute.

How to specify the values from the dataset to the grid controls? Right now I'm just using the empty instance of the grid-2-template.

This <a href="http://wiki.orbeon.com/forms/how-to/logic/repeat-insert-position" target="_blank" rel="nofollow" onmousedown="this.href=&#39;http://www.google.com/url?q\x3dhttp%3A%2F%2Fwiki.orbeon.com%2Fforms%2Fhow-to%2Flogic%2Frepeat-insert-position\x26sa\x3dD\x26sntz\x3d1\x26usg\x3dAFQjCNHeInkorAZMSVZLBwjSrOgTy6TjDQ&#39;;return true;" onclick="this.href=&#39;http://www.google.com/url?q\x3dhttp%3A%2F%2Fwiki.orbeon.com%2Fforms%2Fhow-to%2Flogic%2Frepeat-insert-position\x26sa\x3dD\x26sntz\x3d1\x26usg\x3dAFQjCNHeInkorAZMSVZLBwjSrOgTy6TjDQ&#39;;return true;">resource was used to understand the insert and repeat elements. 

Kush

On Sunday, May 20, 2018 at 4:27:25 AM UTC+5:30, Alessandro Vernet wrote:

Hi Kush,

The `<xf:action class="fr-set-control-value-action">` and ` <xf:var>` are
just encoding what you enter in the in the Actions dialog. I recommend you
set your action to store what the service returns in a dataset, then write
XForms code that uses that dataset to populate the repeated grid based on
what you have in the dataset. For now, you can have the code run upon some
button you add to the form being pressed. Later you'll want to have it run
right away right after the action runs.

You'll let me know if this helps.

Alex

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I've attached the source file of the form with my custom code and put a few comments.

On Friday, May 25, 2018 at 5:12:05 PM UTC+5:30, [hidden email] wrote:

Hi Alex,

I'm progressing on this task. I've saved the response of the Action to a dataset. Currently, I'm trying to populate the grid on a button click (a trigger, in terms of XForms ;)) as you've mentioned in the previous reply. I've also understood how the actual form definition is constructed based on UI actions and is utilized to produce the Orbeon web form. 

As per my understanding, the final result is to simply add the elements of grid-x-iteration(with values) to the main instance of fr-form-instance after the button is clicked. In the <xh:body> the form will be superbly created from the main instance. It's beautiful to see that other than the main instance rest of the code is never updated. The data would be stored in a dataset and can be retrieved using the fr:dataset() function. <xf:insert> and <xf:repeat> are the helping friends to achieve this. I've gone through the syntax of both of them and tried to add an element to the main instance. 

I'm confronting with the following:

Where to place the <xf:insert> in order to add the grid-x-iteration elements? I tried it placing in the <xf:trigger> element itself in the <xh:body>

What is the value of the context attribute of the <xf:insert> element? I see that the rest of the controls are referenced using the bind attribute.

How to specify the values from the dataset to the grid controls? Right now I'm just using the empty instance of the grid-2-template.

This <a href="http://wiki.orbeon.com/forms/how-to/logic/repeat-insert-position" rel="nofollow" target="_blank" onmousedown="this.href=&#39;http://www.google.com/url?q\x3dhttp%3A%2F%2Fwiki.orbeon.com%2Fforms%2Fhow-to%2Flogic%2Frepeat-insert-position\x26sa\x3dD\x26sntz\x3d1\x26usg\x3dAFQjCNHeInkorAZMSVZLBwjSrOgTy6TjDQ&#39;;return true;" onclick="this.href=&#39;http://www.google.com/url?q\x3dhttp%3A%2F%2Fwiki.orbeon.com%2Fforms%2Fhow-to%2Flogic%2Frepeat-insert-position\x26sa\x3dD\x26sntz\x3d1\x26usg\x3dAFQjCNHeInkorAZMSVZLBwjSrOgTy6TjDQ&#39;;return true;">resource was used to understand the insert and repeat elements. 

Kush

On Sunday, May 20, 2018 at 4:27:25 AM UTC+5:30, Alessandro Vernet wrote:

Hi Kush,

The `<xf:action class="fr-set-control-value-action">` and ` <xf:var>` are
just encoding what you enter in the in the Actions dialog. I recommend you
set your action to store what the service returns in a dataset, then write
XForms code that uses that dataset to populate the repeated grid based on
what you have in the dataset. For now, you can have the code run upon some
button you add to the form being pressed. Later you'll want to have it run
right away right after the action runs.

You'll let me know if this helps.

Alex

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