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HowTo:Create a new ViewItem

46 bytes added, 11:42, 24 March 2015
A [[View|view]] uses different [[VIEWITEMS|ViewItems]] to evaluate [[Queries]], [[Relations]] or [[References]] between [[MetaClasses]] per hierarchy level. The result is e.g. displayed in the [[View Test Environment]].
# Navigate to the Namespace There are three different ''ViewItems'' which can be found in ''Custom.View.Items'' via the ''[[Class Browser]]''<br/>[[File:UI viewitem 01.PNG|330 px|border|alt=ViewItem|ViewItem]]# There are three different ''ViewItems''#== QueryViewItem ==# Create a new instance of a '''[[QUERYVIEWITEM|QueryViewItem]]''' using the ''[[Bulk Editor]]''<br/>[[File:UI viewitem 02.PNG|880 px|border|alt=View|View]]## Assign a query instance of the ''QueryViewItem'' to the '''QUERY''' attribute either by##* Drag and drop a query object onto the cell##* Select the desired Query from the dialog appearing after double-clicking the cell #==ReferenceViewItem==# Create a new instance of a '''[[REFERENCEVIEWITEM|ReferenceViewItem]]''' using the ''[[Bulk Editor]]''<br/>[[File:UI viewitem 03.PNG|990 px|border|alt=View|View]]## Set the name of the reference property in the '''REFERENCE''' cell## Set the '''REVERSE''' checkbox if the ''ReferenceViewItem'' should be evaluated from right to left instead of left to right## Assign a query instance of the ''ReferenceViewItem'' to the '''REVERSEREFTYPE''' attribute either by##* dragging and dropping a metaclass object onto the cell##* selecting the desired MetaClass from the dialog appearing after double-clicking the cell#== RelationViewItem ==# Create a new instance of a '''[[RELATIONVIEWITEM|RelationViewItem]]''' using the ''[[Bulk Editor]]''<br/>[[File:UI viewitem 04.PNG|990 px|border|alt=View|View]]## Set the '''REVERSE''' checkbox if the ''RelationViewItem'' should be evaluated from right to left instead of left to right## Assign a query instance of the ''RelationViewItem'' to the '''RELATION''' attribute either by##* dragging and dropping a relation object onto the cell##* selecting the desired Relation from the dialog appearing after double-clicking the cell  
# Set at least name and description
# The required ViewItem's must be added to the view with the ''[[Relation Editor]]''.<br/>[[File:UI_view_03.png|330 px|border|alt=View|View]]
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