Java Code Examples for org.eclipse.jdt.core.IMember#getSourceRange()

public static ISourceRange getNameRange(IJavaElement element) throws JavaModelException {
	ISourceRange nameRange = null;
	if (element instanceof IMember) {
		IMember member = (IMember) element;
		nameRange = member.getNameRange();
		if ((!SourceRange.isAvailable(nameRange))) {
			nameRange = member.getSourceRange();
		}
	} else if (element instanceof ITypeParameter || element instanceof ILocalVariable) {
		nameRange = ((ISourceReference) element).getNameRange();
	} else if (element instanceof ISourceReference) {
		nameRange = ((ISourceReference) element).getSourceRange();
	}
	if (!SourceRange.isAvailable(nameRange) && element.getParent() != null) {
		nameRange = getNameRange(element.getParent());
	}
	return nameRange;
}
 

@Override
public boolean canEnable() throws JavaModelException {
	if (!super.canEnable() || fJavaElements.length == 0) {
		return false;
	}

	for (int i= 0; i < fJavaElements.length; i++) {
		if (fJavaElements[i] instanceof IMember) {
			IMember member= (IMember) fJavaElements[i];
			// we can copy some binary members, but not all
			if (member.isBinary() && member.getSourceRange() == null) {
				return false;
			}
		}
	}

	return true;
}
 

@Override
public boolean canEnable() throws JavaModelException {
	if (!super.canEnable() || fJavaElements.length == 0)
		return false;

	for (int i= 0; i < fJavaElements.length; i++) {
		if (fJavaElements[i] instanceof IMember) {
			IMember member= (IMember) fJavaElements[i];
			// we can copy some binary members, but not all
			if (member.isBinary() && member.getSourceRange() == null)
				return false;
		}
	}

	return true;
}
 

private static ISourceRange getSourceRange(IJavaElement element) throws JavaModelException {
	ISourceRange sourceRange = null;
	if (element instanceof IMember) {
		IMember member = (IMember) element;
		sourceRange = member.getSourceRange();
	} else if (element instanceof ITypeParameter || element instanceof ILocalVariable) {
		sourceRange = ((ISourceReference) element).getSourceRange();
	} else if (element instanceof ISourceReference) {
		sourceRange = ((ISourceReference) element).getSourceRange();
	}
	if (!SourceRange.isAvailable(sourceRange) && element.getParent() != null) {
		sourceRange = getSourceRange(element.getParent());
	}
	return sourceRange;
}
 

CalleeAnalyzerVisitor(IMember member, CompilationUnit compilationUnit, IProgressMonitor progressMonitor) {
    fSearchResults = new CallSearchResultCollector();
    this.fMember = member;
    this.fCompilationUnit= compilationUnit;
    this.fProgressMonitor = progressMonitor;

    try {
        ISourceRange sourceRange = member.getSourceRange();
        this.fMethodStartPosition = sourceRange.getOffset();
        this.fMethodEndPosition = fMethodStartPosition + sourceRange.getLength();
    } catch (JavaModelException jme) {
        JavaPlugin.log(jme);
    }
}
 

private int getElementAfterCursorPosition(CompilationUnitEditor editor, IJavaElement[] members) throws JavaModelException {
	if (editor == null) {
		return -1;
	}
	int offset= ((ITextSelection) editor.getSelectionProvider().getSelection()).getOffset();

	for (int i= 0; i < members.length; i++) {
		IMember curr= (IMember) members[i];
		ISourceRange range= curr.getSourceRange();
		if (offset < range.getOffset()) {
			return i;
		}
	}
	return members.length;
}
 

public MatchLocator(
	SearchPattern pattern,
	SearchRequestor requestor,
	IJavaSearchScope scope,
	IProgressMonitor progressMonitor) {

	this.pattern = pattern;
	this.patternLocator = PatternLocator.patternLocator(this.pattern);
	this.matchContainer = this.patternLocator == null ? 0 : this.patternLocator.matchContainer();
	this.requestor = requestor;
	this.scope = scope;
	this.progressMonitor = progressMonitor;
	if (pattern instanceof PackageDeclarationPattern) {
		this.searchPackageDeclaration = true;
	} else if (pattern instanceof OrPattern) {
		this.searchPackageDeclaration = ((OrPattern)pattern).hasPackageDeclaration();
	} else {
		this.searchPackageDeclaration = false;
	}
	if (pattern instanceof MethodPattern) {
	    IType type = ((MethodPattern) pattern).declaringType;
	    if (type != null && !type.isBinary()) {
	    	SourceType sourceType = (SourceType) type;
	    	IMember local = sourceType.getOuterMostLocalContext();
	    	if (local instanceof IMethod) { // remember this method's range so we don't purge its statements.
	    		try {
	    			ISourceRange range = local.getSourceRange();
	    			this.sourceStartOfMethodToRetain  = range.getOffset();
	    			this.sourceEndOfMethodToRetain = this.sourceStartOfMethodToRetain + range.getLength() - 1; // offset is 0 based.
	    		} catch (JavaModelException e) {
	    			// drop silently. 
	    		}
	    	}
	    }
	}
}
 

public static boolean hasSourceAvailable(IMember member) throws JavaModelException{
	return ! member.isBinary() ||
			(member.getSourceRange() != null && ! fgUnknownRange.equals(member.getSourceRange()));
}
 

public static boolean hasSourceAvailable(IMember member) throws JavaModelException{
	return ! member.isBinary() ||
			(member.getSourceRange() != null && ! fgUnknownRange.equals(member.getSourceRange()));
}
 

/**
 * Opens the element in the editor or shows an error dialog if that fails.
 *
 * @param element the element to open
 * @param shell parent shell for error dialog
 * @param activateOnOpen <code>true</code> if the editor should be activated
 * @return <code>true</code> iff no error occurred while trying to open the editor,
 *         <code>false</code> iff an error dialog was raised.
 */
public static boolean openInEditor(Object element, Shell shell, boolean activateOnOpen) {
       CallLocation callLocation= CallHierarchy.getCallLocation(element);

       try {
        IMember enclosingMember;
        int selectionStart;
		int selectionLength;

        if (callLocation != null) {
			enclosingMember= callLocation.getMember();
			selectionStart= callLocation.getStart();
			selectionLength= callLocation.getEnd() - selectionStart;
        } else if (element instanceof MethodWrapper) {
        	enclosingMember= ((MethodWrapper) element).getMember();
        	ISourceRange selectionRange= enclosingMember.getNameRange();
        	if (selectionRange == null)
        		selectionRange= enclosingMember.getSourceRange();
        	if (selectionRange == null)
        		return true;
        	selectionStart= selectionRange.getOffset();
        	selectionLength= selectionRange.getLength();
        } else {
            return true;
        }

		IEditorPart methodEditor = JavaUI.openInEditor(enclosingMember, activateOnOpen, false);
           if (methodEditor instanceof ITextEditor) {
               ITextEditor editor = (ITextEditor) methodEditor;
			editor.selectAndReveal(selectionStart, selectionLength);
           }
           return true;
       } catch (JavaModelException e) {
           JavaPlugin.log(new Status(IStatus.ERROR, JavaPlugin.getPluginId(),
                   IJavaStatusConstants.INTERNAL_ERROR,
                   CallHierarchyMessages.CallHierarchyUI_open_in_editor_error_message, e));

           ErrorDialog.openError(shell, CallHierarchyMessages.OpenLocationAction_error_title,
               CallHierarchyMessages.CallHierarchyUI_open_in_editor_error_message,
               e.getStatus());
           return false;
       } catch (PartInitException x) {
           String name;
       	if (callLocation != null)
       		name= callLocation.getCalledMember().getElementName();
       	else if (element instanceof MethodWrapper)
       		name= ((MethodWrapper) element).getName();
       	else
       		name= "";  //$NON-NLS-1$
           MessageDialog.openError(shell, CallHierarchyMessages.OpenLocationAction_error_title,
               Messages.format(
                   CallHierarchyMessages.CallHierarchyUI_open_in_editor_error_messageArgs,
                   new String[] { name, x.getMessage() }));
           return false;
       }
   }
 

private void performReplace(IMember input, IFile file,
		ITextFileBuffer textFileBuffer, IDocument document, ITypedElement ti)
		throws CoreException, JavaModelException,
		InvocationTargetException, InterruptedException {

	if (ti instanceof IStreamContentAccessor) {

		boolean inEditor= beingEdited(file);

		String content= JavaCompareUtilities.readString((IStreamContentAccessor)ti);
		String newContent= trimTextBlock(content, TextUtilities.getDefaultLineDelimiter(document), input.getJavaProject());
		if (newContent == null) {
			showError();
			return;
		}

		ICompilationUnit compilationUnit= input.getCompilationUnit();
		CompilationUnit root= parsePartialCompilationUnit(compilationUnit);


		ISourceRange nameRange= input.getNameRange();
		if (nameRange == null)
			nameRange= input.getSourceRange();
		// workaround for bug in getNameRange(): for AnnotationMembers length is negative
		int length= nameRange.getLength();
		if (length < 0)
			length= 1;
		ASTNode node2= NodeFinder.perform(root, new SourceRange(nameRange.getOffset(), length));
		ASTNode node;
		if (node2.getNodeType() == ASTNode.INITIALIZER)
			node= node2;
		else
			node= ASTNodes.getParent(node2, BodyDeclaration.class);
		if (node == null)
			node= ASTNodes.getParent(node2, AnnotationTypeDeclaration.class);
		if (node == null)
			node= ASTNodes.getParent(node2, EnumDeclaration.class);

		//ASTNode node= getBodyContainer(root, input);
		if (node == null) {
			showError();
			return;
		}

		ASTRewrite rewriter= ASTRewrite.create(root.getAST());
		rewriter.replace(node, rewriter.createStringPlaceholder(newContent, node.getNodeType()), null);

		if (inEditor) {
			JavaEditor je= getEditor(file);
			if (je != null)
				je.setFocus();
		}

		Map<String, String> options= null;
		IJavaProject javaProject= compilationUnit.getJavaProject();
		if (javaProject != null)
			options= javaProject.getOptions(true);
		applyChanges(rewriter, document, textFileBuffer, getShell(), inEditor, options);

	}
}
 

/**
 * Returns <code>true</code> if the comment being inserted at
 * <code>command.offset</code> is the first comment (the first
 * Javadoc comment if <code>ignoreJavadoc</code> is
 * <code>true</code>) of the given member.
 * <p>
 * see also https://bugs.eclipse.org/bugs/show_bug.cgi?id=55325 (don't add parameters if the member already has a comment)
 * </p>
 * @param document the document
 * @param command the document command
 * @param member the Java member
 * @param ignoreNonJavadoc <code>true</code> if non Javadoc should be ignored
 * @return <code>true</code> if it is the first comment
 * @throws JavaModelException if accessing the Java model fails
 * @throws BadLocationException if accessing the document fails
 */
private boolean isFirstComment(IDocument document, DocumentCommand command, IMember member, boolean ignoreNonJavadoc) throws BadLocationException, JavaModelException {
	IRegion partition= TextUtilities.getPartition(document, fPartitioning, command.offset, false);
	ISourceRange sourceRange= member.getSourceRange();
	if (sourceRange == null)
		return false;
	int srcOffset= sourceRange.getOffset();
	int srcLength= sourceRange.getLength();
	int nameRelativeOffset= member.getNameRange().getOffset() - srcOffset;
	int partitionRelativeOffset= partition.getOffset() - srcOffset;
	String token= ignoreNonJavadoc ? "/**" :  "/*"; //$NON-NLS-1$ //$NON-NLS-2$
	return document.get(srcOffset, srcLength).lastIndexOf(token, nameRelativeOffset) == partitionRelativeOffset;
}