Minneapolis Office Developer Interest Group (MODIG) March 25, 2008 Custom Column Development Neil...
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Minneapolis Office Developer Interest Group (MODIG) March 25, 2008 Custom Column Development Neil Iversen Inetium http://justaddcode.com/
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Transcript of Minneapolis Office Developer Interest Group (MODIG) March 25, 2008 Custom Column Development Neil...
Minneapolis Office Developer Interest Group (MODIG)
March 25, 2008
Custom Column Development
Neil IversenInetium
http://justaddcode.com/
The Plan Introduction You are here Feature Presentation
Custom Columns Next Topic Selection Random Stuff
User Group Goals Provide a community for SharePoint
Developers Share development knowledge Exchange tips/tricks/other/free pizza Know that
SPSimpleFormattingEncodedResourceExpressionBuilder is the longest Object Model Class Name
User Group Format Presentations
1-2 per meeting Hopefully Demo Heavy (Slides are for MBAs)
Highlights of Nifty Things See next slide
QA/Discussion/Random Things
Call for Cool Stuff Created something cool?
Send Screenshots or Videos We’ll try to feature some items here
Sharepointmn.com/modig/
Our current home Meeting information
Usually has the right time
Previous presentations
Running on SharePoint As required by
SharePoint User Group Law
Upcoming Next Meeting
April 17 (5:30pm) Topic: TBD – Hopefully later today
MNSPUG April 9 (9:00am – Noon) Topic : TBD (sharepointmn.com)
Custom Fields – A Code Heavy Approach
Custom Column Intro Basic Column Development Deploying Columns Developing Fancier Columns Questions
Custom Fields/Columns/Types
No Matter What you Call It They’re fun!
Create for Special Purposes Complex Data Increased Validation Prettier UI
Custom Fields/Columns/Types
Derived From SPField SPFieldText SPFieldNumber SPFieldMultiChoice …
UI Derived From BaseControlTemplate XML Defined
12\TEMPLATE\XML Core Fields are in FLDTYPES.XML
Custom Fields Schema
<?xml version="1.0" encoding="utf-8" ?><FieldTypes>
<FieldType><Field Name="TypeName">Data Field - Just Add
Code</Field><Field Name="ParentType">MultiChoice</Field><Field Name="TypeDisplayName">Data Field - Just
Add Code</Field><Field Name="TypeShortDescription">A Practical
Custom Field</Field><Field
Name="FieldTypeClass">MODIG0803.Fields.DataField, MODIG0803.Fields, Version=1.0.0.0, Culture=neutral, PublicKeyToken=1c0d2e6ac5478941</Field>
<Field Name="UserCreatable">TRUE</Field></FieldType>
</FieldTypes>
Deploying A Field DLLs
Installed into the GAC FLDTYPE
12\TEMPLATE\XML\ iisreset Cross Fingers
It never hurts
Demo – Our First Field
Advanced Custom Fields Schema
<?xml version="1.0" encoding="utf-8" ?><FieldTypes>
<FieldType><Field Name="TypeName">Data Field - Just Add Code</Field><Field Name="ParentType">MultiChoice</Field><Field Name="TypeDisplayName">Data Field - Just Add Code</Field><Field Name="TypeShortDescription">A Practical Custom Field</Field><Field Name="FieldTypeClass">MODIG0803.Fields.DataField,
MODIG0803.Fields, Version=1.0.0.0, Culture=neutral, PublicKeyToken=1c0d2e6ac5478941</Field>
<Field Name="UserCreatable">TRUE</Field><PropertySchema>
<Fields><Field Name="Another Field" DisplayName="Another
Field I can See" ShowInNewForm="TRUE" ShowInEditForm="TRUE" Type=“Number" Hidden="FALSE"></Field>
</Fields></PropertySchema>
</FieldType></FieldTypes>
Demo – More Advanced Schema
Advanced Custom Fields Schema
<?xml version="1.0" encoding="utf-8" ?><FieldTypes>
<FieldType><Field Name="TypeName">Data Field - Just Add Code</Field><Field Name="ParentType">MultiChoice</Field><Field Name="TypeDisplayName">Data Field - Just Add Code</Field><Field Name="TypeShortDescription">A Practical Custom Field</Field><Field Name="FieldTypeClass">MODIG0803.Fields.DataField,
MODIG0803.Fields, Version=1.0.0.0, Culture=neutral, PublicKeyToken=1c0d2e6ac5478941</Field>
<Field Name="UserCreatable">TRUE</Field><RenderPattern Name="DisplayPattern">
<HTML><![CDATA[Help, I'm <b>]]></HTML><Column HTMLEncode="TRUE" /><HTML><![CDATA[</b>Surrounded!]]></HTML>
</RenderPattern> </FieldType>
</FieldTypes>
Render Patterns
HeaderPattern – Column Title DisplayPattern – List Item View EditPattern – Edit Form View NewPattern – New Form View PreviewDisplayPattern PreviewEditPattern PreviewNewPattern
Demo – More Advanced Schema
Control State Sequence Field Is Loaded
GetFieldValue - Restored from ‘Serialized’ state Field Rendering Control is Loaded
.Value is SET Control Mode Property
Tied to action against ListItem SPControlMode
Display, Edit, New, Invalid
Value is retrived via GET GetValidatedString
DEMO – What does that Look Like?
Custom Validation – Server Side Override GetValidatedString(Object value)
Final Call in Field Setting Lifecycle Called during most Save’s
Ex: SPListItem.Properties[“MyValue”] Not Always Called
Web Services RPC DataSheets
Proper Validation Error: SPFieldValidationException Can be used to ‘set’ the final value
DEMO – Odd Validation
Field Validation – UI Side Override Validate()
Set the IsValid property ErrorMessage to the text of the Error
SDK Example:if (Field.Required && (Value == null ||
Value.ToString().Length == 0)) {
this.ErrorMessage = Field.Title + " must have a value."
IsValid = false;
return;
}
DEMO – Odd Validation
Adding Useful Features CONTROLTEMPLATES
ASCX File for a Field Data Access Code Behind
Pull in and validate data against external Systems Expand UI Functionality
AJAX.NET Silverlight (http://www.ssblueprints.net/sharepoint/
)
DEMO - Lets get (or fake) some Data!
Summary Fields are Fun Difficult Learning Curve
State Management is Key Validation is Two Fold
Field Level Validation UI Level Validation Neither always run
EventReciever for True Validation
Questions?
Next Meeting Planning Possible Topics
PowerShell and SharePoint for Developers Using the MS AJAX Framework in SharePoint Managing Context in SharePoint Introduction to Workflow Silverlight 2 and SharePoint …
Random Stuff
Neil IversenInetiumhttp://justaddcode.com
Feedback Forms/Giveaway
Mingle, Eat, Feedback
See you next time!
