org.eclipse.jface.text.IInformationControlCreator Java Examples

/**
 * Creates a new additional information controller.
 * 
 * @param creator
 *            the information control creator to be used by this controller
 * @param delay
 *            time in milliseconds after which additional info should be displayed
 */
AdditionalInfoController(IInformationControlCreator creator, int delay)
{
	super(creator);
	setCloser(new Closer());
	fDelay = delay;
	setAnchor(ANCHOR_RIGHT);
	setFallbackAnchors(new Anchor[] { ANCHOR_RIGHT, ANCHOR_LEFT, ANCHOR_BOTTOM });

	/*
	 * Adjust the location by one pixel towards the proposal popup, so that the single pixel border of the
	 * additional info popup overlays with the border of the popup. This avoids having a double black line.
	 */
	int spacing = -1;
	setMargins(spacing, spacing); // see also adjustment in #computeLocation

	InformationControlReplacer replacer = new InformationControlReplacer(new DefaultPresenterControlCreator());
	getInternalAccessor().setInformationControlReplacer(replacer);
}
 

/**
   * Content assistant
   */
  public IContentAssistant getContentAssistant(ISourceViewer sourceViewer)
  {
      ContentAssistant assistant = new ContentAssistant();
      assistant.setDocumentPartitioning(getConfiguredDocumentPartitioning(sourceViewer));
      assistant.setContentAssistProcessor(new TLACompletionProcessor(), IDocument.DEFAULT_CONTENT_TYPE);
      assistant.setContentAssistProcessor(new PCalCompletionProcessor(), TLAPartitionScanner.TLA_PCAL);
      assistant.enableColoredLabels(true);
      assistant.enableAutoActivation(true);
      assistant.setAutoActivationDelay(500);
assistant.setInformationControlCreator(new IInformationControlCreator() {
	public IInformationControl createInformationControl(final Shell parent) {
		return new DefaultInformationControl(parent, (DefaultInformationControl.IInformationPresenter) null);
	}
});
assistant.setSorter(new ICompletionProposalSorter() {
	public int compare(ICompletionProposal p1, ICompletionProposal p2) {
		return 0;
	}
});
      assistant.setProposalPopupOrientation(IContentAssistant.PROPOSAL_OVERLAY);
      assistant.setContextInformationPopupOrientation(IContentAssistant.CONTEXT_INFO_ABOVE);
      assistant.setContextInformationPopupBackground(TLAEditorActivator.getDefault().getTLAColorProvider().getColor(
              TLAColorProvider.CONTENT_ASSIST_BACKGROUND_KEY));
      return assistant;
  }
 

/**
 * Creates the content assistant.
 * 
 * @return the content assistant
 */
private SubjectControlContentAssistant createContentAssistant() {

  final SubjectControlContentAssistant contentAssistant = new SubjectControlContentAssistant();

  contentAssistant
          .setRestoreCompletionProposalSize(CheckstyleUIPlugin.getDefault().getDialogSettings());

  IContentAssistProcessor processor = new PropertiesContentAssistProcessor();
  contentAssistant.setContentAssistProcessor(processor, IDocument.DEFAULT_CONTENT_TYPE);
  contentAssistant.setContextInformationPopupOrientation(IContentAssistant.CONTEXT_INFO_ABOVE);
  contentAssistant.setInformationControlCreator(new IInformationControlCreator() {
    /*
     * @see IInformationControlCreator#createInformationControl(Shell)
     */
    @Override
    public IInformationControl createInformationControl(Shell parent) {
      return new DefaultInformationControl(parent);
    }
  });

  return contentAssistant;
}
 

/**
 * Creates the content assistant.
 *
 * @return the content assistant
 */
private SubjectControlContentAssistant createContentAssistant() {

  final SubjectControlContentAssistant contentAssistant = new SubjectControlContentAssistant();

  contentAssistant
          .setRestoreCompletionProposalSize(CheckstyleUIPlugin.getDefault().getDialogSettings());

  IContentAssistProcessor processor = new PropertiesContentAssistProcessor();
  contentAssistant.setContentAssistProcessor(processor, IDocument.DEFAULT_CONTENT_TYPE);
  contentAssistant.setContextInformationPopupOrientation(IContentAssistant.CONTEXT_INFO_ABOVE);
  contentAssistant.setInformationControlCreator(new IInformationControlCreator() {
    /*
     * @see IInformationControlCreator#createInformationControl(Shell)
     */
    @Override
    public IInformationControl createInformationControl(Shell parent) {
      return new DefaultInformationControl(parent);
    }
  });

  return contentAssistant;
}
 

@Override
public IInformationControlCreator getInformationControlCreator(ISourceViewer sourceViewer) {
	return new IInformationControlCreator() {
		public IInformationControl createInformationControl(Shell parent) {
			return new DefaultInformationControl(parent, JavaPlugin.getAdditionalInfoAffordanceString());
		}
	};
}
 

@Override
public IInformationControl doCreateInformationControl(Shell parent) {
	return new AnnotationInformationControl(parent, EditorsUI.getTooltipAffordanceString()) {

		@Override
		public IInformationControlCreator getInformationPresenterControlCreator() {
			return fPresenterControlCreator;
		}
	};
}
 

public IInformationControlCreator getHoverControlCreator()
{
	if (activeTextHover instanceof ITextHoverExtension)
	{
		return ((ITextHoverExtension) activeTextHover).getHoverControlCreator();
	}
	return new IInformationControlCreator()
	{
		public IInformationControl createInformationControl(Shell parent)
		{
			return createTextHoverInformationControl(parent, EditorsUI.getTooltipAffordanceString());
		}
	};
}
 

protected IInformationControl doCreateBrowserInformationControl(Shell parent, String font) {
	if(statusFieldText == null) {
		return new org.eclipse.jface.internal.text.html.BrowserInformationControl(parent, font, true);
	} else {
		return new org.eclipse.jface.internal.text.html.BrowserInformationControl(parent, font, 
			statusFieldText) {
			@Override
			public IInformationControlCreator getInformationPresenterControlCreator() {
				return getEnrichedInformationPresenterControlCreator();
			}
		};
	}
}
 

/**
 * Delegate method for {@link JavaInformationProvider#getInformationPresenterControlCreator()}
 * 
 * @return the information control creator or null if none is available
 * @since 3.4
 */
public IInformationControlCreator getInformationPresenterControlCreator() {
	return new IInformationControlCreator() {
		public IInformationControl createInformationControl(Shell shell) {
			return new DefaultInformationControl(shell, true);
		}
	};
}
 

protected IInformationControlCreator getInformationPresenterControlCreator(
		@SuppressWarnings("unused") ISourceViewer sourceViewer) {
	return new IInformationControlCreator() {
		@Override
		public IInformationControl createInformationControl(Shell parent) {
			return new DefaultInformationControl(parent, true);
		}
	};
}
 

@Override
public IInformationControl doCreateInformationControl(Shell parent) {
	return new AnnotationInformationControl(parent, EditorsUI.getTooltipAffordanceString()) {
		/*
		 * @see org.eclipse.jface.text.IInformationControlExtension5#getInformationPresenterControlCreator()
		 */
		@Override
		public IInformationControlCreator getInformationPresenterControlCreator() {
			return fPresenterControlCreator;
		}
	};
}
 

public IInformationControlCreator getHoverControlCreator()
{
	return new IInformationControlCreator()
	{
		public IInformationControl createInformationControl(Shell parent)
		{
			return new DefaultInformationControl(parent, AbstractCommonTextHover.this.getTooltipAffordanceString());
		}
	};
}
 

/**
 * getInformationPresenterControlCreator
 * 
 * @param sourceViewer
 * @return
 */
private IInformationControlCreator getInformationPresenterControlCreator(ISourceViewer sourceViewer)
{
	return new IInformationControlCreator()
	{
		public IInformationControl createInformationControl(Shell parent)
		{
			return new DefaultInformationControl(parent, true);
		}
	};
}
 

protected static IInformationControlCreator getHierarchyPresenterControlCreator() {
	return new IInformationControlCreator() {
		@Override
		public IInformationControl createInformationControl(Shell parent) {
			int shellStyle = SWT.RESIZE;
			int treeStyle = SWT.V_SCROLL | SWT.H_SCROLL;
			HierarchyInformationControl hierarchyInformationControl = new HierarchyInformationControl(parent,
					shellStyle, treeStyle);
			return hierarchyInformationControl;
		}
	};
}
 

public IInformationControlCreatorProvider getInformationControlCreatorProvider(ITextViewer textViewer,
		IRegion hoverRegion) {

	if (!IS_JAVA_DEBUG_HOVER_AVAILABLE)
		return null;

	final JavaDebugHover javaDebugHover = injector.getInstance(JavaDebugHover.class);
	final Object hoverInfo = javaDebugHover.getHoverInfo2(textViewer, hoverRegion);
	if (hoverInfo == null)
		return null;

	return new IEObjectHoverProvider.IInformationControlCreatorProvider2() {
		@Override
		public IInformationControlCreator getHoverControlCreator() {
			return javaDebugHover.getHoverControlCreator();
		}

		@Override
		public Object getInfo() {
			return hoverInfo;
		}

		@Override
		public IInformationControlCreator getInformationPresenterControlCreator() {
			return javaDebugHover.getInformationPresenterControlCreator();
		}
	};
}
 

@Override
public IInformationControlCreator getInformationPresenterControlCreator() {
	if(matchedHover == null) {
		return null;
	}
	return matchedHover.getInformationPresenterControlCreator();
}
 

@Override
public IInformationControl doCreateInformationControl(Shell parent) {
	return new AnnotationInformationControl(parent, EditorsUI.getTooltipAffordanceString()) {
		/*
		 * @see org.eclipse.jface.text.IInformationControlExtension5#getInformationPresenterControlCreator()
		 */
		@Override
		public IInformationControlCreator getInformationPresenterControlCreator() {
			return fPresenterControlCreator;
		}
	};
}
 

@Override
public IInformationControlCreator getInformationControlCreator(ISourceViewer sourceViewer)
{
	return new IInformationControlCreator()
	{
		public IInformationControl createInformationControl(Shell parent)
		{
			return new ThemedInformationControl(parent, SWT.NONE, new HTMLTextPresenter(true));
		}
	};
}
 

@Override
public IInformationControlCreator getInformationControlCreator(ISourceViewer sourceViewer) {
	return new IInformationControlCreator() {
		public IInformationControl createInformationControl(Shell parent) {
			return new DefaultInformationControl(parent, false);
		}
	};
}
 

public IInformationControlCreator getInformationControlCreator
(ISourceViewer sourceViewer) {
    return new IInformationControlCreator() {
        public IInformationControl createInformationControl(Shell parent) {
            return new DefaultInformationControl(parent, presenter);
        }
    };
}
 

@Override
public IInformationControl doCreateInformationControl(Shell parent) {
	return new AnnotationInformationControl(parent, EditorsUI.getTooltipAffordanceString()) {
		/*
		 * @see org.eclipse.jface.text.IInformationControlExtension5#
		 * getInformationPresenterControlCreator()
		 */
		@Override
		public IInformationControlCreator getInformationPresenterControlCreator() {
			return fPresenterControlCreator;
		}
	};
}
 

public IInformationControlCreator getHoverControlCreator( )
{
	return new IInformationControlCreator( ) {

		public IInformationControl createInformationControl( Shell parent )
		{
			return new DefaultInformationControl( parent,
					EditorsUI.getTooltipAffordanceString( ) );
		}
	};
}
 

private IInformationControlCreator getInformationControlCreator() {
	return new IInformationControlCreator() {
		public IInformationControl createInformationControl(Shell parent) {
			return new DefaultInformationControl(parent, JavaPlugin.getAdditionalInfoAffordanceString());
		}
	};
}
 

/**
 * {@inheritDoc}
 */
@Override
public IInformationPresenter getInformationPresenter(ISourceViewer sourceViewer) {
    IInformationControlCreator icc = new IInformationControlCreator() {
        public IInformationControl createInformationControl(Shell parent) {
            return new DefaultInformationControl(parent, true);
        }
    }; 
    InformationPresenter ip = new InformationPresenter(icc);
    ModulaInformationProvider mip = new ModulaInformationProvider(this);
    ip.setInformationProvider(mip, IModulaPartitions.M2_CONTENT_TYPE_DEFAULT);
    return ip;
    
}
 

public IInformationControlCreator getInformationPresenterControlCreator()
{
	if (fPresenterControlCreator == null)
	{
		fPresenterControlCreator = new PresenterControlCreator(this);
	}
	return fPresenterControlCreator;
}
 

@Override
protected void computeInformation() {
	Display display = getSubjectControl().getDisplay();
	Point mouseLocation = display.getCursorLocation();
	mouseLocation = getSubjectControl().toControl(mouseLocation);

	// Compute information input
	Object info = informationProvider.getInformation(mouseLocation);

	// Find an information control creator for the computed information input
	IInformationControlCreator customControlCreator = null;
	for (ICustomInformationControlCreator controlCreator : customControlCreators) {
		if (controlCreator.isSupported(info)) {
			customControlCreator = controlCreator;
			break;
		}
	}
	setCustomInformationControlCreator(customControlCreator);

	// Convert to String for default TextLabelInformationControl
	// (Fallback, if no custom control creator has been found)
	//if (info != null && customControlCreator == null) {
	//	info = info.toString();
	//}

	// Trigger the presentation of the computed information
	if(customControlCreator != null){
	Rectangle area = informationProvider.getArea(mouseLocation);
	setInformation(info, area);
	}
}
 

private IInformationControlCreator getHierarchyPresenterControlCreator() {
	return new IInformationControlCreator() {
		public IInformationControl createInformationControl(Shell parent) {
			int shellStyle= SWT.RESIZE;
			int treeStyle= SWT.V_SCROLL | SWT.H_SCROLL;
			return new HierarchyInformationControl(parent, shellStyle, treeStyle);
		}
	};
}
 

@Override
public IInformationControlCreator getInformationControlCreator() {
	Shell shell = getActiveWorkbenchShell();
	if (shell == null || !BrowserInformationControl.isAvailable(shell))
		return null;
	if (tsControlCreator == null) {
		PresenterControlCreator presenterControlCreator = new PresenterControlCreator();
		tsControlCreator = new HoverControlCreator(presenterControlCreator, true);
	}
	return tsControlCreator;
}
 

@Override
public IInformationControlCreator getInformationPresenterControlCreator() {
	// Hack: We don't wan't to have auto-enrichment when the mouse moves
	// into the hover,
	// but we do want F2 to persist the hover. The framework has no way to
	// distinguish the
	// two requests, so we have to implement this aspect.
	for (StackTraceElement element : Thread.currentThread().getStackTrace()) {
		if ("canMoveIntoInformationControl".equals(element.getMethodName()) //$NON-NLS-1$
				&& "org.eclipse.jface.text.AbstractHoverInformationControlManager".equals(element.getClassName())) //$NON-NLS-1$
			return null; // do not enrich bracket hover
	}
	return super.getInformationPresenterControlCreator();
}
 

public static SubjectControlContentAssistant createJavaContentAssistant(IContentAssistProcessor processor) {
	final SubjectControlContentAssistant contentAssistant= new SubjectControlContentAssistant();

	contentAssistant.setContentAssistProcessor(processor, IDocument.DEFAULT_CONTENT_TYPE);

	ContentAssistPreference.configure(contentAssistant, JavaPlugin.getDefault().getPreferenceStore());
	contentAssistant.setContextInformationPopupOrientation(IContentAssistant.CONTEXT_INFO_ABOVE);
	contentAssistant.setInformationControlCreator(new IInformationControlCreator() {
		public IInformationControl createInformationControl(Shell parent) {
			return new DefaultInformationControl(parent, JavaPlugin.getAdditionalInfoAffordanceString());
		}
	});

	return contentAssistant;
}