Example usage for org.eclipse.jdt.internal.core SourceRefElement getSourceRange

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core SourceRefElement getSourceRange.

Prototype

@Override
public ISourceRange getSourceRange() throws JavaModelException 

Source Link

Usage

From source file:com.codenvy.ide.ext.java.server.internal.core.JavaElement.java

License:Open Source License

/**
 * Returns the element that is located at the given source position
 * in this element.  This is a helper method for <code>ICompilationUnit#getElementAt</code>,
 * and only works on compilation units and types. The position given is
 * known to be within this element's source range already, and if no finer
 * grained element is found at the position, this element is returned.
 *///from  w  w w  .jav  a  2 s.  c  o m
protected IJavaElement getSourceElementAt(int position) throws JavaModelException {
    if (this instanceof ISourceReference) {
        IJavaElement[] children = getChildren();
        for (int i = children.length - 1; i >= 0; i--) {
            IJavaElement aChild = children[i];
            if (aChild instanceof SourceRefElement) {
                SourceRefElement child = (SourceRefElement) children[i];
                ISourceRange range = child.getSourceRange();
                int start = range.getOffset();
                int end = start + range.getLength();
                if (start <= position && position <= end) {
                    if (child instanceof IField) {
                        // check muti-declaration case (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=39943)
                        int declarationStart = start;
                        SourceRefElement candidate = null;
                        do {
                            // check name range
                            range = ((IField) child).getNameRange();
                            if (position <= range.getOffset() + range.getLength()) {
                                candidate = child;
                            } else {
                                return candidate == null ? child.getSourceElementAt(position)
                                        : candidate.getSourceElementAt(position);
                            }
                            child = --i >= 0 ? (SourceRefElement) children[i] : null;
                        } while (child != null && child.getSourceRange().getOffset() == declarationStart);
                        // position in field's type: use first field
                        return candidate.getSourceElementAt(position);
                    } else if (child instanceof IParent) {
                        return child.getSourceElementAt(position);
                    } else {
                        return child;
                    }
                }
            }
        }
    } else {
        // should not happen
        Assert.isTrue(false);
    }
    return this;
}

---

From source file:org.springframework.ide.eclipse.quickfix.jdt.computers.AnnotationArgumentProposalComputer.java

License:Open Source License

private boolean isWithinRange(SourceRefElement element, int invocationOffset) throws JavaModelException {
    int startPosition = element.getSourceRange().getOffset();
    int length = element.getSourceRange().getLength();
    return startPosition < invocationOffset && startPosition + length >= invocationOffset;
}

---