org.eclipse.emf.ecp.view.internal.control.multireference

Class MultiReferenceSWTRenderer

java.lang.Object

org.eclipse.emf.ecp.view.model.common.AbstractRenderer<VELEMENT>

org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer<VCONTROL>

org.eclipse.emf.ecp.view.spi.core.swt.AbstractControlSWTRenderer<VControl>

org.eclipse.emf.ecp.view.internal.control.multireference.MultiReferenceSWTRenderer

All Implemented Interfaces:

RootDomainModelChangeListener

Direct Known Subclasses:

LinkOnlyMultiReferenceRenderer, MultiSegmentChildDmrsSWTRenderer

public class MultiReferenceSWTRenderer
extends AbstractControlSWTRenderer<VControl>

Renderer for MultiReferenceControl.

Author:

Eugen Neufeld

Field Summary

Fields inherited from class org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer

CUSTOM_VARIANT

Constructor Summary

Constructors

Constructor and Description
MultiReferenceSWTRenderer(VControl vElement, ViewModelContext viewContext, ReportService reportService, EMFFormsDatabinding emfFormsDatabinding, EMFFormsLabelProvider emfFormsLabelProvider, VTViewTemplateProvider vtViewTemplateProvider, ImageRegistryService imageRegistryService) Legacy constructor, initializing me without a localization service.
MultiReferenceSWTRenderer(VControl vElement, ViewModelContext viewContext, ReportService reportService, EMFFormsDatabinding emfFormsDatabinding, EMFFormsLabelProvider emfFormsLabelProvider, VTViewTemplateProvider vtViewTemplateProvider, ImageRegistryService imageRegistryService, EMFFormsLocalizationService localizationService) Complete constructor, supplying all dependencies.

Method Summary

Modifier and Type	Method and Description
protected void	applyEnable() Allows implementers to set a control to enabled.
protected void	applyReadOnly() Marks a controls as readonly.
protected void	applyValidation() Allows implementers to display the validation state of the control.
protected int	compare(int direction, Object object1, Object object2) Sorts two objects based on their labels and the given sorting direction.
protected org.eclipse.emf.common.notify.AdapterFactory	createAdapterFactory() Creates a new AdapterFactory.
protected org.eclipse.swt.widgets.Button	createAddExistingButton(org.eclipse.swt.widgets.Composite parent, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Creates a button that enables the addition of existing references to the given EStructuralFeature.
protected org.eclipse.swt.widgets.Button	createAddNewButton(org.eclipse.swt.widgets.Composite parent, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Creates a button that enables the addition of newly created references to the given EStructuralFeature.
protected org.eclipse.swt.widgets.Composite	createButtonComposite(org.eclipse.swt.widgets.Composite parent) Adds a composite with the buttons 'AddExisting', 'AddNew' and 'Delete' to the given Composite if necessary.
protected org.eclipse.swt.widgets.Composite	createControlComposite(org.eclipse.swt.widgets.Composite composite) Creates the composite which will be the parent for the table.
protected VTTableStyleProperty	createDefaultTableStyleProperty() Creates the default VTTableStyleProperty.
protected org.eclipse.swt.widgets.Button	createDeleteButton(org.eclipse.swt.widgets.Composite parent, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Creates a button that enables the removal of existing references from the given EStructuralFeature.
protected org.eclipse.swt.widgets.Control	createErrorLabel(org.eclipse.swt.widgets.Composite parent, Exception ex) Creates an error label for the given Exception.
protected org.eclipse.jface.viewers.ILabelProvider	createLabelProvider() Creates a new ILabelProvider for the table viewer.
protected org.eclipse.swt.widgets.Button	createMoveDownButton(org.eclipse.swt.widgets.Composite parent, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Creates a button that enables reordering the references by the given EStructuralFeature.
protected org.eclipse.swt.widgets.Button	createMoveUpButton(org.eclipse.swt.widgets.Composite parent, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Creates a button that enables reordering the references by the given EStructuralFeature.
protected void	createTitleComposite(org.eclipse.swt.widgets.Composite parent) Creates a composite with a label, a validation icon and a button composite.
protected void	dispose() Disposes all resources used by the renderer.
protected org.eclipse.emf.common.notify.AdapterFactory	getAdapterFactory() Returns the AdapterFactory used by this renderer.
protected Optional<org.eclipse.emf.ecore.EObject>	getContainer() Returns the EObject that contains the elements rendered in this multi reference.
protected VTReferenceStyleProperty	getDefaultReferenceStyle() Creates and returns a default version of a VTReferenceStyleProperty.
protected org.eclipse.emf.ecore.EStructuralFeature	getEStructuralFeature() Returns the observed EStructuralFeature.
SWTGridDescription	getGridDescription(SWTGridDescription gridDescription) Returns the GridDescription for this Renderer.
protected org.eclipse.swt.graphics.Image	getImage(String path) Returns an Image from the image registry.
protected org.eclipse.jface.viewers.ILabelProvider	getLabelProvider() Returns the ILabelProvider used by this renderer.
protected org.eclipse.core.databinding.observable.list.IObservableList<?>	getReferencedElementsList() Computes and returns the observable list of the referenced elements shown by this renderer.
protected String	getReferenceDisplayName() Obtains a user-presentable name for the reference that I edit, to be used for example in button tool-tips.
protected ReferenceService	getReferenceService() Override to customize linking and creation of EObjects in this renderer's EReference.
protected int	getTableHeightHint() Returns the height for the table that will be created.
protected VTTableStyleProperty	getTableStyleProperty() Returns the VTTableStyleProperty.
protected org.eclipse.jface.viewers.TableViewer	getTableViewer() Gives access to the tableViewer used to display the attributes.
protected void	handleAddExisting(org.eclipse.jface.viewers.TableViewer tableViewer, org.eclipse.emf.ecore.EObject eObject, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Method for adding an existing element.
protected void	handleAddNew(org.eclipse.jface.viewers.TableViewer tableViewer, org.eclipse.emf.ecore.EObject eObject, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Method for adding a new element.
protected void	handleDelete(org.eclipse.jface.viewers.TableViewer tableViewer, org.eclipse.emf.ecore.EObject eObject, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Method for deleting elements.
protected void	handleDoubleClick(org.eclipse.emf.ecore.EObject selectedObject) Method for handling a double click.
protected void	handleMoveDown(org.eclipse.jface.viewers.TableViewer tableViewer, org.eclipse.emf.ecore.EObject eObject, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Method for moving down elements.
protected void	handleMoveUp(org.eclipse.jface.viewers.TableViewer tableViewer, org.eclipse.emf.ecore.EObject eObject, org.eclipse.emf.ecore.EStructuralFeature structuralFeature) Method for moving up elements.
protected boolean	ignoreEnableOnReadOnly() Returns true when read only will always force control to be disabled.
protected org.eclipse.swt.widgets.Control	renderControl(SWTGridCell cell, org.eclipse.swt.widgets.Composite parent) Renders the passed VElement.
protected org.eclipse.swt.widgets.Control	renderMultiReferenceControl(SWTGridCell cell, org.eclipse.swt.widgets.Composite parent) Renders the MultiReference Control.
protected void	rootDomainModelChanged() This method is called in AbstractControlSWTRenderer.notifyChange() when the root domain model of the view model context changes.
protected boolean	showAddExistingButton() Returns true if the 'AddExisting' button is shown, false otherwise.
protected boolean	showAddNewButton() Returns true if the 'AddNew' button is shown, false otherwise.
protected boolean	showDeleteButton() Returns true if the 'Delete' button is shown, false otherwise.
protected boolean	showMoveDownButton() Returns true if the 'MoveDown' button is shown, false otherwise.
protected boolean	showMoveUpButton() Returns true if the 'MoveUp' button is shown, false otherwise.
protected void	updateButtonEnabling() Updates the enablement of 'addExisting', 'addNew', 'delete', 'moveUp' and 'moveDown' buttons according to the bound input.
protected void	updateButtons() Updates button visibility and enablement.
protected void	updateButtonVisibility() Updates the visibility of 'addExisting', 'addNew', 'delete', 'moveUp' and 'moveDown' buttons according to the bound input.
protected org.eclipse.core.databinding.observable.list.IObservableList<?>	updateTableViewerInputList() Updates the table viewer's input observable list.

Methods inherited from class org.eclipse.emf.ecp.view.spi.core.swt.AbstractControlSWTRenderer

applyUnchangeableFeature, canHandleControlProcessor, createLabel, createValidationIcon, defaultHandleControlProcessor, defaultHandleControlProcessorForCell, getDataBindingContext, getEditingDomain, getEMFFormsDatabinding, getEMFFormsLabelProvider, getLabelStyleBits, getModelValue, getValidationBackgroundColor, getValidationBackgroundColor, getValidationForegroundColor, getValidationForegroundColor, getValidationIcon, getValidationIcon, getVTViewTemplateProvider, hasLeftLabelAlignment, isUnchangeableFeature, notifyChange, postInit, render

Methods inherited from class org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer

applyValidation, applyVisible, canReveal, finalizeRendering, getControls, getDefaultFontName, init, isRenderingFinished, preInit, scrollToReveal, scrollToReveal, setControlEnabled

Methods inherited from class org.eclipse.emf.ecp.view.model.common.AbstractRenderer

checkRenderer, getRenderer, getReportService, getVElement, getViewModelContext, register

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MultiReferenceSWTRenderer

public MultiReferenceSWTRenderer(VControl vElement,
                                 ViewModelContext viewContext,
                                 ReportService reportService,
                                 EMFFormsDatabinding emfFormsDatabinding,
                                 EMFFormsLabelProvider emfFormsLabelProvider,
                                 VTViewTemplateProvider vtViewTemplateProvider,
                                 ImageRegistryService imageRegistryService)

Legacy constructor, initializing me without a localization service. When needed, I will attempt to get it from the viewContext.

Parameters:

vElement - the view model element to be rendered

viewContext - the view context

emfFormsDatabinding - The EMFFormsDatabinding

emfFormsLabelProvider - The EMFFormsLabelProvider

reportService - The ReportService

vtViewTemplateProvider - The VTViewTemplateProvider

imageRegistryService - The ImageRegistryService

MultiReferenceSWTRenderer

@Inject
public MultiReferenceSWTRenderer(VControl vElement,
                                         ViewModelContext viewContext,
                                         ReportService reportService,
                                         EMFFormsDatabinding emfFormsDatabinding,
                                         EMFFormsLabelProvider emfFormsLabelProvider,
                                         VTViewTemplateProvider vtViewTemplateProvider,
                                         ImageRegistryService imageRegistryService,
                                         EMFFormsLocalizationService localizationService)

Complete constructor, supplying all dependencies.

Parameters:

vElement - the view model element to be rendered

viewContext - the view context

emfFormsDatabinding - The EMFFormsDatabinding

emfFormsLabelProvider - The EMFFormsLabelProvider

reportService - The ReportService

vtViewTemplateProvider - The VTViewTemplateProvider

imageRegistryService - The ImageRegistryService

localizationService - the localization service

Since:

1.16

Method Detail

getGridDescription

public SWTGridDescription getGridDescription(SWTGridDescription gridDescription)

Description copied from class: AbstractSWTRenderer

Returns the GridDescription for this Renderer.

Specified by:

getGridDescription in class AbstractSWTRenderer<VControl>

Parameters:

gridDescription - the current SWTGridDescription

Returns:

the number of controls per row

updateTableViewerInputList

protected final org.eclipse.core.databinding.observable.list.IObservableList<?> updateTableViewerInputList()
                                                                                                    throws DatabindingFailedException

Updates the table viewer's input observable list. Call this method in sub classes if you detect a change to the domain model which requires the re-resolvement of the input list.

Note: This method only updates the input list but does not trigger button enablement etc.

Returns:

returns the new input list; might be empty but never null

Throws:

DatabindingFailedException - if the new list cannot be resolved

showAddExistingButton

protected boolean showAddExistingButton()

Returns true if the 'AddExisting' button is shown, false otherwise.

Returns:

true if the 'AddExisting' button is shown, false otherwise

showAddNewButton

protected boolean showAddNewButton()

Returns true if the 'AddNew' button is shown, false otherwise.

Returns:

true if the 'AddNew' button is shown, false otherwise

getDefaultReferenceStyle

protected VTReferenceStyleProperty getDefaultReferenceStyle()

Creates and returns a default version of a VTReferenceStyleProperty.

Returns:

The default VTReferenceStyleProperty

showDeleteButton

protected boolean showDeleteButton()

Returns true if the 'Delete' button is shown, false otherwise.

Returns:

true if the 'Delete' button is shown, false otherwise

showMoveUpButton

protected boolean showMoveUpButton()

Returns true if the 'MoveUp' button is shown, false otherwise. Returning true will disable any sorting behavior.

Returns:

true if the 'MoveUp' button is shown, false otherwise

showMoveDownButton

protected boolean showMoveDownButton()

Returns true if the 'MoveDown' button is shown, false otherwise. Returning true will disable any sorting behavior.

Returns:

true if the 'MoveDown' button is shown, false otherwise

getEStructuralFeature

protected org.eclipse.emf.ecore.EStructuralFeature getEStructuralFeature()
                                                                  throws DatabindingFailedException

Returns the observed EStructuralFeature.

Returns:

the observed EStructuralFeature.

Throws:

DatabindingFailedException - when databinding fails.

getContainer

protected Optional<org.eclipse.emf.ecore.EObject> getContainer()

Returns the EObject that contains the elements rendered in this multi reference.

Returns:

The EObject containing the elements rendered in this multi reference or nothing if the container couldn't be computed.

createDefaultTableStyleProperty

protected VTTableStyleProperty createDefaultTableStyleProperty()

Creates the default VTTableStyleProperty.

Returns:

the default VTTableStyleProperty

Since:

1.14

getTableStyleProperty

protected VTTableStyleProperty getTableStyleProperty()

Returns the VTTableStyleProperty.

Returns:

the VTTableStyleProperty

Since:

1.14

renderControl

protected org.eclipse.swt.widgets.Control renderControl(SWTGridCell cell,
                                                        org.eclipse.swt.widgets.Composite parent)
                                                 throws NoRendererFoundException,
                                                        NoPropertyDescriptorFoundExeption

Description copied from class: AbstractSWTRenderer

Renders the passed VElement.

Specified by:

renderControl in class AbstractSWTRenderer<VControl>

Parameters:

cell - the GridCell of the control to render

parent - the Composite to render on

Returns:

the rendered Control

Throws:

NoRendererFoundException - this is thrown when a renderer cannot be found

NoPropertyDescriptorFoundExeption - this is thrown when no property descriptor can be found

renderMultiReferenceControl

protected org.eclipse.swt.widgets.Control renderMultiReferenceControl(SWTGridCell cell,
                                                                      org.eclipse.swt.widgets.Composite parent)
                                                               throws NoRendererFoundException,
                                                                      NoPropertyDescriptorFoundExeption

Renders the MultiReference Control. Renders the MultiReference control including validation and buttons when RenderMode is set to RenderMode.DEFAULT. Only renders the MultiReference control without validation and buttons when renderMode is set to RenderMode.COMPACT_VERTICALLY.

Parameters:

cell - the SWTGridCell.

parent - the Composite.

Returns:

the rendered Control

Throws:

NoRendererFoundException - the NoRendererFoundException.

NoPropertyDescriptorFoundExeption - the NoPropertyDescriptorFoundExeption.

Since:

1.14

createControlComposite

protected org.eclipse.swt.widgets.Composite createControlComposite(org.eclipse.swt.widgets.Composite composite)

Creates the composite which will be the parent for the table.

Parameters:

composite - the parent composite

Returns:

the table composite

getTableHeightHint

protected int getTableHeightHint()

Returns the height for the table that will be created.

Returns:

the height hint

getTableViewer

protected org.eclipse.jface.viewers.TableViewer getTableViewer()

Gives access to the tableViewer used to display the attributes.

Returns:

the viewer

createErrorLabel

protected org.eclipse.swt.widgets.Control createErrorLabel(org.eclipse.swt.widgets.Composite parent,
                                                           Exception ex)

Creates an error label for the given Exception.

Parameters:

parent - The parent of the Label

ex - The Exception causing the error

Returns:

The error Label

createAdapterFactory

protected org.eclipse.emf.common.notify.AdapterFactory createAdapterFactory()

Creates a new AdapterFactory.

Returns:

the newly created AdapterFactory.

getAdapterFactory

protected final org.eclipse.emf.common.notify.AdapterFactory getAdapterFactory()

Returns the AdapterFactory used by this renderer. To customize the used AdapterFactory override createAdapterFactory().

Returns:

The AdapterFactory used by this renderer

See Also:

createAdapterFactory()

createLabelProvider

protected org.eclipse.jface.viewers.ILabelProvider createLabelProvider()

Creates a new ILabelProvider for the table viewer.

Returns:

the newly created ILabelProvider.

dispose

protected void dispose()

Disposes all resources used by the renderer. Don't forget to call super.dispose if overwriting this method.

Overrides:

dispose in class AbstractControlSWTRenderer<VControl>

See Also:

AbstractControlSWTRenderer.dispose()

createMoveUpButton

protected org.eclipse.swt.widgets.Button createMoveUpButton(org.eclipse.swt.widgets.Composite parent,
                                                            org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Creates a button that enables reordering the references by the given EStructuralFeature.

Parameters:

parent - The parent of the created Button

structuralFeature - The EStructuralFeature which's references are moved up.

Returns:

The newly created Button

createMoveDownButton

protected org.eclipse.swt.widgets.Button createMoveDownButton(org.eclipse.swt.widgets.Composite parent,
                                                              org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Creates a button that enables reordering the references by the given EStructuralFeature.

Parameters:

parent - The parent of the created Button

structuralFeature - The EStructuralFeature which's references are moved down.

Returns:

The newly created Button

createAddExistingButton

protected org.eclipse.swt.widgets.Button createAddExistingButton(org.eclipse.swt.widgets.Composite parent,
                                                                 org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Creates a button that enables the addition of existing references to the given EStructuralFeature.

Parameters:

parent - The parent of the created Button

structuralFeature - The EStructuralFeature to which references are added

Returns:

The newly created Button

createAddNewButton

protected org.eclipse.swt.widgets.Button createAddNewButton(org.eclipse.swt.widgets.Composite parent,
                                                            org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Creates a button that enables the addition of newly created references to the given EStructuralFeature.

Parameters:

parent - The parent of the created Button

structuralFeature - The EStructuralFeature to which references are added

Returns:

The newly created Button

createDeleteButton

protected org.eclipse.swt.widgets.Button createDeleteButton(org.eclipse.swt.widgets.Composite parent,
                                                            org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Creates a button that enables the removal of existing references from the given EStructuralFeature.

Parameters:

parent - The parent of the newly created Button

structuralFeature - The EStructuralFeature from which references are removed

Returns:

The newly created Button

updateButtons

protected void updateButtons()

Updates button visibility and enablement.

updateButtonEnabling

protected void updateButtonEnabling()

Updates the enablement of 'addExisting', 'addNew', 'delete', 'moveUp' and 'moveDown' buttons according to the bound input.

updateButtonVisibility

protected void updateButtonVisibility()

Updates the visibility of 'addExisting', 'addNew', 'delete', 'moveUp' and 'moveDown' buttons according to the bound input.

createButtonComposite

protected org.eclipse.swt.widgets.Composite createButtonComposite(org.eclipse.swt.widgets.Composite parent)
                                                           throws DatabindingFailedException

Adds a composite with the buttons 'AddExisting', 'AddNew' and 'Delete' to the given Composite if necessary.

Parameters:

parent - The parent of the created Composite

Returns:

the created Composite

Throws:

DatabindingFailedException - thrown if the databinding could not be executed successfully

createTitleComposite

protected void createTitleComposite(org.eclipse.swt.widgets.Composite parent)
                             throws DatabindingFailedException

Creates a composite with a label, a validation icon and a button composite.

Parameters:

parent - The parent of the created Composite

Throws:

DatabindingFailedException - thrown if the databinding could not be executed successfully

getImage

protected org.eclipse.swt.graphics.Image getImage(String path)

Returns an Image from the image registry.

Parameters:

path - the path to the image

Returns:

the image

getReferenceDisplayName

protected String getReferenceDisplayName()

Obtains a user-presentable name for the reference that I edit, to be used for example in button tool-tips.

Returns:

the reference display name

Since:

1.16

handleDoubleClick

protected void handleDoubleClick(org.eclipse.emf.ecore.EObject selectedObject)

Method for handling a double click.

Parameters:

selectedObject - the selected EObject

handleAddExisting

protected void handleAddExisting(org.eclipse.jface.viewers.TableViewer tableViewer,
                                 org.eclipse.emf.ecore.EObject eObject,
                                 org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Method for adding an existing element.

Parameters:

tableViewer - the TableViewer

eObject - The EObject to add to

structuralFeature - The corresponding EStructuralFeature

handleAddNew

protected void handleAddNew(org.eclipse.jface.viewers.TableViewer tableViewer,
                            org.eclipse.emf.ecore.EObject eObject,
                            org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Method for adding a new element.

Parameters:

tableViewer - the TableViewer

eObject - The EObject to add to

structuralFeature - The corresponding EStructuralFeature

getReferenceService

protected ReferenceService getReferenceService()

Override to customize linking and creation of EObjects in this renderer's EReference.

Returns:

The ReferenceService used to link and create new EObjects in this renderer's reference.

handleDelete

protected void handleDelete(org.eclipse.jface.viewers.TableViewer tableViewer,
                            org.eclipse.emf.ecore.EObject eObject,
                            org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Method for deleting elements.

Parameters:

tableViewer - the TableViewer

eObject - The EObject to delete from

structuralFeature - The corresponding EStructuralFeature

handleMoveUp

protected void handleMoveUp(org.eclipse.jface.viewers.TableViewer tableViewer,
                            org.eclipse.emf.ecore.EObject eObject,
                            org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Method for moving up elements.

Parameters:

tableViewer - the TableViewer

eObject - The EObject to delete from

structuralFeature - The corresponding EStructuralFeature

handleMoveDown

protected void handleMoveDown(org.eclipse.jface.viewers.TableViewer tableViewer,
                              org.eclipse.emf.ecore.EObject eObject,
                              org.eclipse.emf.ecore.EStructuralFeature structuralFeature)

Method for moving down elements.

Parameters:

tableViewer - the TableViewer

eObject - The EObject to delete from

structuralFeature - The corresponding EStructuralFeature

rootDomainModelChanged

protected void rootDomainModelChanged()
                               throws DatabindingFailedException

Description copied from class: AbstractControlSWTRenderer

This method is called in AbstractControlSWTRenderer.notifyChange() when the root domain model of the view model context changes.

Overrides:

rootDomainModelChanged in class AbstractControlSWTRenderer<VControl>

Throws:

DatabindingFailedException - If the databinding failed

getReferencedElementsList

protected org.eclipse.core.databinding.observable.list.IObservableList<?> getReferencedElementsList()
                                                                                             throws DatabindingFailedException

Computes and returns the observable list of the referenced elements shown by this renderer.

Returns:

The IObservableList of the referenced elements

Throws:

DatabindingFailedException - If computing the list failed due to failed databinding

ignoreEnableOnReadOnly

protected boolean ignoreEnableOnReadOnly()

Description copied from class: AbstractSWTRenderer

Returns true when read only will always force control to be disabled.

Overrides:

ignoreEnableOnReadOnly in class AbstractSWTRenderer<VControl>

Returns:

true when read only will always force control to be disabled.

applyEnable

protected void applyEnable()

Description copied from class: AbstractControlSWTRenderer

Allows implementers to set a control to enabled.

Overrides:

applyEnable in class AbstractControlSWTRenderer<VControl>

See Also:

AbstractSWTRenderer.applyEnable()

applyReadOnly

protected void applyReadOnly()

Description copied from class: AbstractControlSWTRenderer

Marks a controls as readonly.

Overrides:

applyReadOnly in class AbstractControlSWTRenderer<VControl>

See Also:

AbstractSWTRenderer.applyReadOnly()

applyValidation

protected void applyValidation()

Description copied from class: AbstractSWTRenderer

Allows implementers to display the validation state of the control. The default implementation does nothing.

Overrides:

applyValidation in class AbstractSWTRenderer<VControl>

compare

protected int compare(int direction,
                      Object object1,
                      Object object2)

Sorts two objects based on their labels and the given sorting direction.

Override this method to provide a custom sorting algorithm for the objects shown in this control's table.

Parameters:

direction - The sorting direction: 0 == NONE, 1 == UP, 2 == DOWN

object1 - The first object of the comparison

object2 - The second object of the comparison

Returns:

0 if both objects are equal, -1 if object1 will appear higher in the table, 1 if object2 will appear higher in the table

getLabelProvider

protected org.eclipse.jface.viewers.ILabelProvider getLabelProvider()

Returns the ILabelProvider used by this renderer.

Returns:

the ILabelProvider