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Adding polygon and json fields to save

8 months 2 weeks ago #9928 by Phil
I have several components working but we're finding one component needs to be updated. This requires adding two fields, type of 'polygon' and a type JSON

The way it would work is:
  1. The view outputs the form and a google map (working)
  2. The user fills in the form and draws a polygon on that map (working)
  3. The polygon points (latitudes and longitudes) are stored in a hidden form as a JSON string (easy enough)
  4. The user clicks save
  5. The form is validated
  6. The save occurs

I need to catch/modify the save (#6) so I can unpack the JSON string, put the points together into something like this:
`
``ST_GEOMFROMTEXT( 'POLYGON( (48.89 2.27, 48.89 2.42, 48.81 2.42, 48.81 2.27, 48.89 2.27) )' ) `

When the model returns the data, it only needs to return the JSON into a hidden form var. If it exists, I'll unpack that and redraw the polygon on the map. I think I have this figured out but not 100% certain.

I've figured out how to upgrade the table. That's not a problem.

So my questions are:
  1. How/where do I modify the component to add the json field so that it saves?
  2. How/where do I intercept the save process so that I can extract the JSON points and create the POLYGON entry?

Thanks!

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7 months 4 days ago - 7 months 3 days ago #9946 by Louis C. Boggs
Replied by Louis C. Boggs on topic Adding polygon and json fields to save
Thank yo for sharing the Info, I will try to figure it out more!
OneVanillaOneVanilla
Last edit: 7 months 3 days ago by Louis C. Boggs.

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7 months 3 days ago #9947 by Louis C. Boggs
Replied by Louis C. Boggs on topic Adding polygon and json fields to save

Thank yo for sharing the Info, I will try to figure it out more!
OneVanilla

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7 months 3 days ago - 6 months 4 weeks ago #9948 by Elda
Replied by Elda on topic Adding polygon and json fields to save
Thank you for sharing.

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Last edit: 6 months 4 weeks ago by Elda .

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1 month 1 week ago #9976 by blacksmith
Replied by blacksmith on topic Adding polygon and json fields to save
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