Extend cpagefield image type

[veskoto]

1. Check if $value is null or empty
2. {CPAGEFIELD: name=XXXX&type=full} return full path to image. This ignore thumb params.
3. {CPAGEFIELD: name=XXXX&type=popup} return a wrapped image with link to full image path.

[codeclimate]

Code Climate has analyzed commit c11b345 and detected 2 issues on this pull request.

Here's the issue category breakdown:

Category	Count
Complexity	2

The test coverage on the diff in this pull request is 60.0% (80% is the threshold).

This pull request will bring the total coverage in the repository to 5.4% (0.0% change).

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[Jimmi08]

@veskoto
Are you aware that with replaceConstants() you are exploring your hashed sitekey?
And that correct way for this is $tp->thumbUrl($value,$parm) (with parameters w=0&h=0, not sure about correct syntax now to get full image, not resized)

And your popup should be solved in the template by calling image field 2x - one with raw parameter and one without it. The rest is HTML markup that can be different for another theme.

[CaMer0n]

Thank you @veskoto . I'll look into this.. the PR is not exactly how I think it should happen, but inside thumbUrl().