Package org.eclipse.jdt.ui

Class ProblemsLabelDecorator

java.lang.Object

org.eclipse.jdt.ui.ProblemsLabelDecorator

All Implemented Interfaces:

IBaseLabelProvider, ILabelDecorator, ILightweightLabelDecorator

public class ProblemsLabelDecorator
extends Object
implements ILabelDecorator, ILightweightLabelDecorator

LabelDecorator that decorates an element's image with error and warning overlays that represent the severity of markers attached to the element's underlying resource. To see a problem decoration for a marker, the marker needs to be a subtype of IMarker.PROBLEM.

Important: Although this decorator implements ILightweightLabelDecorator, do not contribute this class as a decorator to the org.eclipse.ui.decorators extension. Only use this class in your own views and label providers.

Since:

2.0

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ProblemsLabelDecorator.ProblemsLabelChangedEvent	This is a special LabelProviderChangedEvent carrying additional information whether the event origins from a maker change.

Constructor Summary

Constructors

Constructor	Description
ProblemsLabelDecorator()	Creates a new ProblemsLabelDecorator.
ProblemsLabelDecorator(org.eclipse.jdt.internal.ui.viewsupport.ImageDescriptorRegistry registry)	Note: This constructor is for internal use only.

Method Summary

Modifier and Type	Method	Description
void	addListener(ILabelProviderListener listener)
protected int	computeAdornmentFlags(Object obj)	Computes the adornment flags for the given element.
void	decorate(Object element, IDecoration decoration)
Image	decorateImage(Image image, Object obj)
String	decorateText(String text, Object element)
void	dispose()
protected boolean	isInside(int pos, ISourceReference sourceElement)	Tests if a position is inside the source range of an element.
boolean	isLabelProperty(Object element, String property)
void	removeListener(ILabelProviderListener listener)

Methods inherited from class java.lang.Object

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

Constructor Details

ProblemsLabelDecorator

public ProblemsLabelDecorator()

Creates a new ProblemsLabelDecorator.

ProblemsLabelDecorator

public ProblemsLabelDecorator(org.eclipse.jdt.internal.ui.viewsupport.ImageDescriptorRegistry registry)

Note: This constructor is for internal use only. Clients should not call this constructor.

Parameters:

registry - The registry to use or null to use the Java plugin's image registry

Restriction:

This constructor is not intended to be referenced by clients.

Method Details

decorateText

public String decorateText(String text,
 Object element)

Specified by:

decorateText in interface ILabelDecorator

decorateImage

public Image decorateImage(Image image,
 Object obj)

Specified by:

decorateImage in interface ILabelDecorator

computeAdornmentFlags

protected int computeAdornmentFlags(Object obj)

Computes the adornment flags for the given element.

Parameters:

obj - the element to compute the flags for

Returns:

the adornment flags

isInside

protected boolean isInside(int pos,
 ISourceReference sourceElement)
                    throws CoreException

Tests if a position is inside the source range of an element.

Parameters:

pos - Position to be tested.

sourceElement - Source element (must be a IJavaElement)

Returns:

boolean Return true if position is located inside the source element.

Throws:

CoreException - Exception thrown if element range could not be accessed.

Since:

2.1

dispose

public void dispose()

Specified by:

dispose in interface IBaseLabelProvider

isLabelProperty

public boolean isLabelProperty(Object element,
 String property)

Specified by:

isLabelProperty in interface IBaseLabelProvider

addListener

public void addListener(ILabelProviderListener listener)

Specified by:

addListener in interface IBaseLabelProvider

removeListener

public void removeListener(ILabelProviderListener listener)

Specified by:

removeListener in interface IBaseLabelProvider

decorate

public void decorate(Object element,
 IDecoration decoration)

Specified by:

decorate in interface ILightweightLabelDecorator