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$many_many - tracking down the ole relation chain
15 February 2010 at 9:58pm Last edited: 15 February 2010 10:06pm
Ok, so I've got a 'Banner' DataObject which has_one 'BannerChooser' PageType, and also belongs_many_many to SiteTree...
How it works is BannerChooser pages are used to upload banners etc, then on any top level page in the site we can choose which banners are displayed in that section. There are 3 different banner types, and I've set them up on 3 different BannerChooser pages to keep it tidy. What I need to do is filter a ManyManyComplexTableField by the BannerChooser type........
phewBanner.php
class Banner extends DataObject
{
static $db = array (
'Name' => 'Text'
);
static $has_one = array (
'BannerChooser' => 'BannerChooser',
'Image' => 'Image'
);
static $belongs_many_many = array (
'Pages' => 'SiteTree'
);
public function getCMSFields_forPopup()
{
$fields = new FieldSet();
$fields->push(new TextField('Name'));
$fields->push(new ImageField('Image','Upload banner'));
return $fields;
}
}BannerChooser.php
class BannerChooser extends Page
{
static $db = array (
'BannerType' => 'Text'
);
static $defaults = array(
'ShowInSearch' => false,
'ShowInMenus' => false
);
static $has_many = array (
'Banners' => 'Banner'
);
public function getCMSFields()
{
$f = parent::getCMSFields();
$manager = new ImageDataObjectManager(
$this, // Controller
'Banners',
'Banner',
'Image',
array(
'Name' => 'Name'
),
'getCMSFields_forPopup'
);
$manager->setParentClass('BannerChooser');
$manager->setBrowseButtonText("Upload ");
$manager->setPluralTitle('Banners');
$f->addFieldToTab("Root.Content.Main", new OptionsetField("BannerType","What kind of banner is it?",
$source = array(
"banner" => "Top Banner",
"promo" => "Promo Banner",
"ad" => "Ad Tower"
)));
$f->addFieldToTab("Root.Content.Main", $manager);
return $f;
}
}and in Page.php
class Page extends SiteTree {
...
static $many_many = array(
"Banners" => "Banner"
);
public function getCMSFields()
{
$f = parent::getCMSFields();
if($this->ParentID == 0){
$areasTablefield = new ManyManyComplexTableField(
$this,
'Banners',
'Banner',
array(
'Name' => 'Name'
),
'getCMSFields_forPopup'
);
$areasTablefield->setAddTitle( 'PromoBanners' );
$f->addFieldToTab( 'Root.Content.BannersAndAds', $areasTablefield );
}
return $f;
}.... ect
What I need to be able to do is filter the ManyManyComplexTableField by the BannerType field which exists in a BannerChooser...
so it kind needs to get from Page->Banner->BannerChooser.BannerType, and then filter based on it.
Any ideas
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