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gebeer

Module FieldtypeImagePicker - Pick images from a folder

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Hello all,

sharing my new module FieldtypeImagePicker. It provides a configurable input field for choosing any type of image from a predefined folder.

The need for it came up because a client had a custom SVG icon set and I wanted the editors to be able to choose an icon in the page editor.
It can also be used to offer a choice of images that are used site-wide without having to upload them to individual pages.

There are no image manipulation methods like with the native PW image field.

Module and full description can be found on github https://github.com/gebeer/FieldtypeImagePicker

Kudos to @Martijn Geerts. I used his module FieldTypeSelectFile as a base to build upon.

Here's how the input field looks like in the page editor:
inputfield-in-editor.png.af8dd348043a3e44cea4b08d416b6dc6.png

Hope it can be of use to someone.

If you like to give it a try, I'm happy to hear your comments or suggestions for improvement. Eventually this will go in the module directory soon, too.

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8 hours ago, gebeer said:

It can also be used to offer a choice of images that are used site-wide without having to upload them to individual pages.

Pretty cool, thanks for sharing!

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Thanks @gebeer - this looks really useful! I wonder whether it would be useful to have an "Upload Image" option so that site editors can easily add images to this global directory so they don't need to resort to FTP or engaging their developer to add new images. I suppose the alternative would be to create a "Global Images" page in the page tree and point this module to the /assets/files/xxxx/ directory for this page - maybe that's actually the better approach?

Anyway, I can definitely see using this quite often!

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1 hour ago, adrian said:

I suppose the alternative would be to create a "Global Images" page in the page tree and point this module to the /assets/files/xxxx/ directory for this page - maybe that's actually the better approach?

If @gebeer has time to add additional features to this module, I would vote for something like this, because it sounds simple enough. The simpler the better 🙂

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Just now, szabesz said:

If @gebeer has time to add additional features to this module, I would vote for something like this, because it sounds simple enough. The simpler the better 🙂

I just implemented it here:

image.png.4efb9b512f512c441c9269f9217208b9.png

The only changes I had to make to the module were to set the root path higher than the default site/templates/ so that I could point it to /site/assets/files/xxxx and it works brilliantly!

BTW, this is what the Global Images page looks like:

image.png.492f50134e968310fe5d66e9f4241251.png

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@szabesz Actually I was thinking about making this change, too 🙂

@adrian Great job! Could you make a PR with your changes? I'd like to implement them.

This will also make the images instances of Pageimage and we get all image manipulation methods.

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1 minute ago, gebeer said:

Great job! Could you make a PR with your changes? I'd like to implement them

I could, but I am not sure if you want to refine things a little more than my quick hack. I just replaced all instances of $this->config->paths->templates and $this->config->urls->templates with $this->config->paths->root and $this->config->urls->root 

I think perhaps it would be better to have an option in the field's settings to actually choose a page rather than manually /site/assets/files/xxxx - what do you think?

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Just now, adrian said:

I think perhaps it would be better to have an option in the field's settings to actually choose a page rather than manually /site/assets/files/xxxx - what do you think?

Exactly the same thought came to my mind. Will implement this as an option.

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I might be getting carried away, but I think it might also be nice to be able to select images from child pages of this page as well - I can see a use case for categorizing images and I think this would be a decent way of doing it. Perhaps the picker could even have a dropdown that lets you filter by child page (category). What do you think?

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@adrian While I think that this is a good idea, I am not sure yet, if I want to go that far with this module. This would add additional complexity when installing and I wanted to keep it as simple as possible. This addition would make it kind of a "mini media manager" and I don't know how high the demand for it really would be since we have kongondo's excellent media manager already.

But if more people would like to have that option, I can implement it. Please vote.

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8 minutes ago, gebeer said:

This would add additional complexity when installing

I was thinking this would be optional - I don't think anyone has to set this up - the module would scan these only if they exist.

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@adrian I'm with you here.

After contemplating some more, I think the page approach should be the only option, discarding the folder option in site/templates/. Since PW is all about pages, this makes more sense. Also editors can easily add/remove images as they see fit without having to use other tools like FTP clients. This also provides the manipulation methods from Pageimage class to all images.

What do you all think?

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3 hours ago, gebeer said:

@adrian I'm with you here.

After contemplating some more, I think the page approach should be the only option, discarding the folder option in site/templates/. Since PW is all about pages, this makes more sense. Also editors can easily add/remove images as they see fit without having to use other tools like FTP clients. This also provides the manipulation methods from Pageimage class to all images.

What do you all think?

Makes sense to me 🙂

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What about adding the image description, width, height, and filesize to the tooltip and under the selected image?

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17 minutes ago, adrian said:

What about adding the image description, width, height, and filesize to the tooltip and under the selected image?

can do 🙂

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5 hours ago, gebeer said:

While I think that this is a good idea, I am not sure yet, if I want to go that far with this module. This would add additional complexity when installing and I wanted to keep it as simple as possible. This addition would make it kind of a "mini media manager" and I don't know how high the demand for it really would be since we have kongondo's excellent media manager already.

But if more people would like to have that option, I can implement it. Please vote.

@kongondo's Media Manager module offers a lot more than this module would offer even with the child pages feature, so as far as I can see it you are not working on something like that.

The suggested child pages feature would be welcome but if you stick to the one page only solution than that is great too.

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@gebeer - I am sure you have already thought of this, but if you're changing to only support selecting a page (and its children), you could make use of  PW's API to load up the images in the picker field, rather than scanning the server folder directly. I don't think there is a reason not to change.

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5 hours ago, adrian said:

you could make use of  PW's API to load up the images in the picker field, rather than scanning the server folder directly

Yes, I am using Pages and Pageimages to retrieve and list them. Everything is working fine so far. Doing some more fine tuning. Have to cater for cases where an image got deleted from the page that holds all images but is still referenced from my Fieldtype on a page. And things like that...

Can I make a fieldtype module autoload so that I can attach hooks to Pageimage and Pageimages from init() within my fieldtype? I tried, but it doesn't work.

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6 minutes ago, gebeer said:

Can I make a fieldtype module autoload so that I can attach hooks to Pageimage and Pageimages from init() within my fieldtype? I tried, but it doesn't work.

I don't think it's possible. Two comments in the core code:

"Fieldtype modules are not automatically loaded, they are only loaded when requested"

"Inputfields are not loaded until requested"

I think you might need to add a helper module for those hooks. I guess otherwise you would need to check for the presence of the pageimage from init(), rather than hooking which I think could also work fine.

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Or maybe you are looking to hook into the image deletion process to prevent an image from being deleted if it is used by an ImagePicker field? If so, that sounds like a smart thing to have 🙂

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1 minute ago, adrian said:

Or maybe you are looking to hook into the image deletion process

This is what I'm trying to accomplish.

Also I want to add a new property to Pageimage that holds the svg markup for inlining. Even if I add my hook inside the formatValue() method, it is not executed. Still fiddling. Will find a solution, eventually...

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@adrian @szabesz and everyone who followed this discussion. I opened a new thread for the Module FieldtypeImageFromPage which is the new module that evolves out of this one after the discussion. Had a happy weekend of module coding 😎. Please try the new module and let me know what you think. Cheers.

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