org.eclipse.emf.ecp.view.spi.custom.swt

Class CustomControlSWTRenderer

java.lang.Object

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

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

org.eclipse.emf.ecp.view.spi.custom.swt.CustomControlSWTRenderer

Direct Known Subclasses:

DICustomControlSWTRenderer

public class CustomControlSWTRenderer
extends AbstractSWTRenderer<VCustomControl>

The renderer for custom control view models.

Since:

1.3

Author:

Eugen Neufeld

Field Summary

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

CUSTOM_VARIANT

Constructor Summary

Constructors

Constructor and Description
CustomControlSWTRenderer(VCustomControl vElement, ViewModelContext viewContext, ReportService reportService) Default Constructor.

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 void	applyVisible() Allows implementers to check and set the visibility on the whole result row.
protected boolean	canHandleControlProcessor() Indicates whether the ECPAbstractCustomControlSWT can handle a possibly existing EMFFormsControlProcessorService itself.
protected void	defaultHandleControlProcessor(org.eclipse.swt.widgets.Control control) Calls a possibly existing EMFFormsControlProcessorService for the given control.
protected void	dispose() Disposes all resources used by the renderer.
SWTGridDescription	getGridDescription(SWTGridDescription gridDescription) Returns the GridDescription for this Renderer.
protected ECPAbstractCustomControlSWT	loadCustomControl(VCustomControl customControl) Loads and returns the ECPAbstractCustomControlSWT that is referenced by the VCustomControl.
protected void	preInit() Use this method to initialize objects which are needed already before rendering.
org.eclipse.swt.widgets.Control	render(SWTGridCell cell, org.eclipse.swt.widgets.Composite parent) Renders the passed VElement.
protected org.eclipse.swt.widgets.Control	renderControl(SWTGridCell cell, org.eclipse.swt.widgets.Composite parent) Renders the passed VElement.

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

applyValidation, canReveal, finalizeRendering, getControls, getDefaultFontName, ignoreEnableOnReadOnly, init, isRenderingFinished, postInit, 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

CustomControlSWTRenderer

public CustomControlSWTRenderer(VCustomControl vElement,
                                ViewModelContext viewContext,
                                ReportService reportService)

Default Constructor.

Parameters:

vElement - the view element to be rendered

viewContext - The view model context

reportService - the ReportService to use

Since:

1.6

Method Detail

preInit

protected void preInit()

Use this method to initialize objects which are needed already before rendering.

Overrides:

preInit in class AbstractSWTRenderer<VCustomControl>

See Also:

AbstractSWTRenderer.preInit()

loadCustomControl

protected ECPAbstractCustomControlSWT loadCustomControl(VCustomControl customControl)

Loads and returns the ECPAbstractCustomControlSWT that is referenced by the VCustomControl.

Parameters:

customControl - the custom control view model

Returns:

the swt renderer

Since:

1.4

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 AbstractSWTRenderer<VCustomControl>

See Also:

AbstractSWTRenderer.dispose()

getGridDescription

public SWTGridDescription getGridDescription(SWTGridDescription gridDescription)

Returns the GridDescription for this Renderer.

Specified by:

getGridDescription in class AbstractSWTRenderer<VCustomControl>

Parameters:

gridDescription - the current SWTGridDescription

Returns:

the number of controls per row

See Also:

AbstractSWTRenderer.getGridDescription(SWTGridDescription)

render

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

Renders the passed VElement.

Overrides:

render in class AbstractSWTRenderer<VCustomControl>

Parameters:

cell - the SWTGridCell 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

See Also:

AbstractSWTRenderer.render(org.eclipse.emfforms.spi.swt.core.layout.SWTGridCell, org.eclipse.swt.widgets.Composite)

renderControl

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

Renders the passed VElement.

Specified by:

renderControl in class AbstractSWTRenderer<VCustomControl>

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

See Also:

AbstractSWTRenderer.renderControl(org.eclipse.emfforms.spi.swt.core.layout.SWTGridCell, org.eclipse.swt.widgets.Composite)

canHandleControlProcessor

protected boolean canHandleControlProcessor()

Indicates whether the ECPAbstractCustomControlSWT can handle a possibly existing EMFFormsControlProcessorService itself.

Returns:

true if the ECPAbstractCustomControlSWT can handle a possibly existing EMFFormsControlProcessorService itself, false otherwise.

Since:

1.8

defaultHandleControlProcessor

protected void defaultHandleControlProcessor(org.eclipse.swt.widgets.Control control)

Calls a possibly existing EMFFormsControlProcessorService for the given control.

Parameters:

control - The Control which is to be processed by the EMFFormsControlProcessorService.

Since:

1.8

applyReadOnly

protected void applyReadOnly()

Description copied from class: AbstractSWTRenderer

Marks a controls as readonly.

Overrides:

applyReadOnly in class AbstractSWTRenderer<VCustomControl>

applyEnable

protected void applyEnable()

Description copied from class: AbstractSWTRenderer

Allows implementers to set a control to enabled.

Overrides:

applyEnable in class AbstractSWTRenderer<VCustomControl>

applyVisible

protected void applyVisible()

Description copied from class: AbstractSWTRenderer

Allows implementers to check and set the visibility on the whole result row.

Overrides:

applyVisible in class AbstractSWTRenderer<VCustomControl>

applyValidation

protected void applyValidation()

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

Overrides:

applyValidation in class AbstractSWTRenderer<VCustomControl>