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Adding polygon and json fields to save
Phil
New Member
Posts: 2
2 years 4 months ago #9928
by Phil
Adding polygon and json fields to save was created 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:
I need to catch/modify the save (#6) so I can unpack the JSON string, put the points together into something like this:
`
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:
Thanks!
The way it would work is:
- The view outputs the form and a google map (working)
- The user fills in the form and draws a polygon on that map (working)
- The polygon points (latitudes and longitudes) are stored in a hidden form as a JSON string (easy enough)
- The user clicks save
- The form is validated
- 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:
- How/where do I modify the component to add the json field so that it saves?
- 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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Louis C. Boggs
New Member
Posts: 2
2 years 3 months ago - 2 years 3 months ago #9946
by Louis C. Boggs
Replied by Louis C. Boggs on topic Adding polygon and json fields to save
Last edit: 2 years 3 months ago by Louis C. Boggs.
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Louis C. Boggs
New Member
Posts: 2
2 years 3 months 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!
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Elda
New Member
Posts: 1
2 years 3 months ago - 2 years 3 months ago #9948
by Elda
Replied by Elda on topic Adding polygon and json fields to save
Last edit: 2 years 3 months ago by Elda .
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blacksmith
New Member
Posts: 1
1 year 9 months ago #9976
by blacksmith
Replied by blacksmith on topic Adding polygon and json fields to save
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