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Show thumbnail in gridfield
28 August 2012 at 9:47pm
Hey Folks,
is it possible to show a thumbnail in the gridfield in SS3?
I aready tried this but I only get an additional blank column:
// Summary fields
public static $summary_fields = array(
'ID' => 'Pic ID',
'Picname' => 'Name of the Picture',
'Image.StripThumbnail' => 'Picture'
);I´m using version 3.0.1
Thx in advance
Sash -
Re: Show thumbnail in gridfield
29 August 2012 at 11:06am
I had a solution in 2.4 - should work in 3.01 as well.
The problem was instead of defining the Image in $db I had to define it as a $has_one, and create a function to return in the summary_fields. Try this:
static $has_one = array(
'MyImage' => 'Image',
);function MyImageThumb(){
return $this->MyImage()->SetHeight(40);
}public static $summary_fields = array(
'ID' => 'Pic ID',
'Picname' => 'Name of the Picture',
'MyImageThumb' => 'Picture'
); -
Re: Show thumbnail in gridfield
31 August 2012 at 9:34pm Last edited: 1 September 2012 2:53am
Hey SparkGreen,
thanks for your answer. I already tried the way you proposed but it ends up with an Error: "Unable to traverse to related object field [MyImageThumb] on [Person]"
EDIT: Ok, finally I got the solution. So hopefully this will help someone else save some time.
First of all both variants (the one by SparkGreen and mine) work. I think in SS3 it´s even a bit easier to do it my way. But both solutions are fine. The important thing for me to get it work was that I had did have to define the searchable fields. If you don´t do it manually you get an error (like the one above).
So this is the working solution to me:
Defining the summary fields like this:
public static $summary_fields = array(
'MyImage.StripThumbnail' => 'Picture',
'ID' => 'Pic ID',
'Name' => 'Name of the Picture'
);...and the important thing not to forget define the searchable fields manually like this:
static $searchable_fields = array(
'ID',
'Name'
);Cheers,
sash -
Re: Show thumbnail in gridfield
3 December 2012 at 5:37pm
Hat tip to Simon Welsh for this. I was confronted with a slightly different situation where I had the URL already, from the Flickr API. Do the following:
public function getThumbnail() {
return DBField::create_field('HTMLVarchar', '<img src="'.$this->ThumbnailURL.'"/>');
}One needs to return an object. If a String is returned it gets escaped, rendering the HTML in the Grid Field.
It looks like this method could be used to render arbitrary HTML, though HTMLVarchar is limited to 255 characters. I guess HTMLText could be used for longer, but then why would you want to render a large amount of HTML in what is essentiall a summary field.
Cheers
Gordon
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Re: Show thumbnail in gridfield
18 January 2013 at 4:21am
Hi,
Was looking to do the same thing. However when trying it out on SS 3.0.3, I didn't need explicitly set $searchable_fields. Just adding the image thumbnail to $summary_fields was sufficient.
I.e. only
public static $summary_fields = array(
'MyImage.StripThumbnail' => 'Image',
'Title' => 'Title'
);VWD.
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Re: Show thumbnail in gridfield
25 February 2013 at 1:42am
Hello
I've encountered a similar problem which neither of these solutions seem to solve for me (SS 3.0.3), any timely guidance much appreciated...
this is the error when viewing the StoreImage tab in CMS: [User Error] Uncaught Exception: Unable to traverse to related object field [ImageThumbnail] on [StoreImage]
Be aware, I'm noting particularly the notice 'user error' here : )Further, its working perfectly when called from the related Product DataObject, ie, the thumbnail is showing in the Product Tab section
this is the setup:
Both of the following DataObjects are setup as Managed Models as defined in: class ProductAdmin extends ModelAdmin
StoreImage.php
class StoreImage extends DataObject {
public static $db = array(
'SortOrder' => 'Int',
'Title' => 'Varchar',
'Type' => "Enum('Product Image, Producer Image, Category Image')"
);// One-to-one relationship with product object
public static $has_one = array(
'Image' => 'Image',
'Product' => 'Product'
);// tidy up the CMS by not showing these fields
public function getCMSFields() {
$fields = parent::getCMSFields();
$fields->removeByName('SortOrder');
$fields->removeByName('ProductID');
return $fields;
}// this function creates the thumbnail for the summary fields to use
public function ImageThumbnail() {
return $this->Image()->SetHeight(50);
}// Tell the datagrid what fields to show in the table
public static $summary_fields = array(
'Title' => 'Title',
'Type' => 'Type',
'ImageThumbnail' => 'Thumbnail'
);Product.php
class Product extends DataObject {
static $db = array('Name' => 'Varchar', 'Description' => 'Text','ProductCode' => 'Varchar', 'Price' => 'Currency');
static $has_one = array('ProductCategory' => 'ProductCategory', 'StoreImage' => 'StoreImage', 'ProductProducer' => 'ProductProducer', 'ProductPage' => 'ProductPage');// For search in CMS
static $searchable_fields = array(
'Name',
'ProductCode'
);
static $summary_fields = array(
'Name' => 'Name',
'StoreImage.ImageThumbnail' => 'Product Image',
'Description' => 'Description',
'Price' => 'Price');
Thanks for looking!
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Re: Show thumbnail in gridfield
25 February 2013 at 3:11am
Ok, for the record the $searchable_fields option fixed it...
I did not really want the search feature in this case but its better than an error!!!
StoreImage.php
Added:
static $searchable_fields = array(
'Title',
'Type'
);Best wishes
~ Sean
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