SnippetsCreating a Page Export Function

6 May 2009 | Hamish Campbell | Templates, URLs | Supports v2.4, v2.3

3 4

Need to create an 'export' function for a page? Do it quickly and cleanly with HTTP::sendFileToBrowser. In your page controller, add a new action 'export':

NewbiesCreating a Simple Contact Form

3 May 2009 | Aram Balakjian | Templates, Forms, Email | Supports v2.4, v2.3

68 6

In this tutorial we are going to create a very simple contact form, like those commonly seen on most contact-us pages. This is a great introduction to SilverStripe forms for those new to the Subject and should also provide enough functionality for most people to use straight out of the box.

SnippetsCreate a CMS Field in 'Page' but not it's Descendants

26 April 2009 | Aram Balakjian |

1 2

Sometimes you may want a field to appear in pages of type Page but not in the other PageTypes which extend Page. To limit a field added via the function getCMSFields() is a simple case of adding an if() statement to test the current pages class.

SnippetsCreate and use a Permission code

18 April 2009 | Aram Balakjian | CMS, Security, Member | Supports v2.4, v2.3

0 2

Have you wanted to add an extra permission code that you can add to groups and then use that to test whether a particular user has that permission? Here's how it's done. The permission code it self is added via the Controller class, then you use a permission check anywhere in your site code to check the current user. Like so:

SnippetsGetting objects from multiple child pages

14 April 2009 | Hamish Campbell | DataObjects, Templates | Supports v2.4, v2.3

1 0

When you want to create a DataObjectSet encompasing objects from all the current pages children you can do something like this

$pageIDs = $this->getDescendantIDList();
$ObjectSet = DataObject::get(
                 "Object", 
                 "`ObjectPageID` IN (" . implode(",", $pageIDs) . ")"
                  );

Blog10 Super Useful SilverStripe Documentation Pages

11 April 2009 | Aram Balakjian | SilverStripe

1 7

Since I started learning SilverStripe I have come across a number of very useful documentation pages which were not very easy to find (at least not as easy as they could be). So here is a list of 10 official documentation pages which I always find myself referring back to.

TutorialsCustom Login Form with Group Based Redirection

7 April 2009 | Aram Balakjian | CMS, Security, Forms, Member | Supports v2.4, v2.3

16 7

In this tutorial we are going to create a system that allows the Admin to decide which (front-end) page a group of users are redirected to after login. This will be defined via a TreeDropdown for each group in the security section, and can also be set to send them to the admin area via a checkbox.

SnippetsCheck to see if a widget area has any widgets

5 April 2009 | Chris Rowbotham |

0 0

If you want to check that a WidgetArea actually has widgets, and only display it if it has, you can add this function to your Page_Controller (where widgetBarID is the name of your widgetArea + ID)

function HasWidgets() {
    return DataObject::get("Widget", "ParentID = $this->WidgetbarID");
} 

NewbiesBuilding a SilverStripe Theme from a Static Template

26 March 2009 | Aram Balakjian | Templates, SiteConfig, Themes | Supports v2.4, v2.3

4 5

In this tutorial we are going to create a SilverStripe theme from a static template. While completing this tutorial, you will build a good foundation for using the SilverStripe templating language and be able to create themes with dynamic menus and content areas.

SnippetsGet errors e-mailed to you

24 March 2009 | Aram Balakjian | Errors, Email | Supports v2.4

0 3

If your site is live it means you are probably not getting errors reported in the view, so it's handy to have them emailed to you so you can still debug and also be notified if something is up.

Add this line to your mysite/_config.php file and expect some mail!

SS_Log::add_writer(new SS_LogEmailWriter('me@mydomain.com'), SS_Log::ERR);

SnippetsResizing and Manipulating Images

22 March 2009 | Aram Balakjian | Images, Templates | Supports v2.4, v2.3

4 2

You can resize images from within the template very easily. But sometimes you need to resize it and just use the URL value, something you can't do by calling the resize on the variable directly (e.g. $Image.CroppedImage(200,200)). This is how we would create a cropped resize of it and still be able to use just the URL, allowing a custom <img> tag.