On the plug-in manifest, extensions are what this plug-in contributes to the Eclipse environment by using other plug-ins’ extension points. On the plug‑in manifest, extension points are this plug-in’s functionality that can be extended by other plug-ins.
So, specify the extension points required to implement the rotated label report item extension and add the extension element details. The Eclipse PDE uses the XML schema defined for each extension point to provide the list of valid attributes and values specified for the extension elements. The rotated label report item contributes extensions to the following extension points:
org.eclipse.birt.report.designer.ui.reportitemUI
Registers the graphical user interface (GUI) to use for the report item extension
org.eclipse.birt.report.model.reportItemModel
Specifies how to represent and persist the report item extension in the ROM
Specifies the adapters for the report item property page UI
The XML schema specifies the following properties that identify each extension point in the run-time environment:
ID
Optional identifier of the extension instance
Name
Optional name of the extension instance
The extension point, org.eclipse.birt.report.designer.ui.reportitemUI, specifies the following extension elements:
reportItemFigureUI
Fully qualified name of the Java class that implements the org.eclipse.birt.report.designer.ui.extensions. IReportItemFigureProvider interface
reportItemLabelUI
Fully qualified name of the Java class that gets the display text for the report item component in BIRT Report Designer
reportItemImageUI
Fully qualified name of the Java class that implements the org.eclipse.birt.report.designer.ui.extensions.IReportItemImageProvider interface
model
ROM report item extension name that maps to this UI component
builder
Optional component instantiated when a user drags the extended report item from the BIRT Report Designer palette to the editor
palette
Icon to show and the category in which the icon appears in the palette
editor
Flags indicating whether the editor shows in the MasterPage and Designer UI and is resizable in the editor
outline
Icon to show in the Outline view
description
Optional element containing text describing what the UI extension does
The extension point, org.eclipse.birt.report.model.reportItemModel, specifies the following extension element properties:
extensionName
Internal unique name of the report item extension
class
Fully qualified name of the Java class that implements the org.eclipse.birt.report.model.api.extension.IReportItemFactory interface
defaultStyle
Predefined style to use for the report item extension
isNameRequired
Field indicating whether the report item instance name is required
displayNameID
Resource key for the display name
extendsFrom
Parent element from which a report item extends
hasStyle
Flag that marks whether an extended item can have style
For RotatedLabel, reportItem specifies the following property extension elements:
displayText
rotationAngle
These extension elements specify the following properties:
name
Internal unique name of the property extension element.
type
Data type, such as integer or string.
displayNameID
Resource key for the display name.
detailType
Detail data type, such as Boolean or string.
subType
When the detailType is a list, the subType is required and must be defined as one of the restriction choices. By default the subtype is string.
canInherit
Flag indicating whether the property extension element can inherit properties.
defaultValue
Default value of the property extension element.
isEncryptable
Flag indicating whether the property is encrypted.
DisplayName
Display name to use if no localized I18N display name exists.
isList
Indicates whether the property value is a single structure or a list.
hasOwnModel
Indicates whether the XML property is the extension model.
allowExpression
Indicates whether the property can be set as an expression. Each expression contains the value and the type.
The extension point, org.eclipse.birt.report.engine.reportitemPresentation, specifies the following reportItem extension elements:
name
Unique name of the report item extension.
class
Fully qualified name of the Java class that implements the org.eclipse.birt.report.engine.extension. IReportItemPresentation interface.
supportedFormats
Supported rendering formats for this extended item. The value for this attribute is a comma-separated string, such as "HTML,PDF,EXCEL". The string is case‑insensitive.
The extension point, org.eclipse.birt.report.designer.ui.elementAdapters, creates an adapter class that implements the IPageGenerator interface. The org.eclipse.birt.report.model.api.ExtendedItemHandle class implements the interfaces which make the extension point adaptable. The adapter specifies the following properties for the property pages:
id
Unique name of ReportDesign.AttributeView.RotatedLabelPageGenerator
org.eclipse.birt.report.designer.ui.reportitemUI
