Example usage for org.eclipse.jdt.core IJavaElement getElementName

List of usage examples for org.eclipse.jdt.core IJavaElement getElementName

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Introduction

In this page you can find the example usage for org.eclipse.jdt.core IJavaElement getElementName.

Prototype

String getElementName();

Source Link

Document

Returns the name of this element.

Usage

From source file:org.codehaus.groovy.eclipse.astviews.ASTView.java

License:Apache License

private void hookGroovy() {
    partListener = new IPartListener() {
        public void partActivated(IWorkbenchPart part) {
        }/*  w  w  w  .j av  a  2  s .  c o m*/

        public void partBroughtToTop(IWorkbenchPart part) {
            try {
                if (part instanceof IEditorPart) {
                    IFile file = (IFile) ((IEditorPart) part).getEditorInput().getAdapter(IFile.class);
                    if (file != null && ContentTypeUtils.isGroovyLikeFileName(file.getName())) {
                        ICompilationUnit unit = JavaCore.createCompilationUnitFrom(file);
                        if (unit instanceof GroovyCompilationUnit) {
                            if (editor != part) {
                                editor = (IEditorPart) part;
                                Object[] treePaths = viewer.getExpandedElements();
                                viewer.setInput(((GroovyCompilationUnit) unit).getModuleNode());
                                viewer.setExpandedElements(treePaths);
                            } else {
                                // nothing to do!
                            }
                            return;
                        }
                    }
                }
            } catch (Exception e) {
                GroovyCore.logException("Error updating AST Viewer", e); //$NON-NLS-1$
            }
            editor = null;
            // This is a guard - the content provider should not be null,
            // but sometimes this happens when the
            // part is disposed of for various reasons (unhandled exceptions
            // AFAIK). Without this guard,
            // error message popups continue until Eclipse if forcefully
            // killed.
            if (viewer.getContentProvider() != null) {
                viewer.setInput(null);
            }
        }

        public void partClosed(IWorkbenchPart part) {
        }

        public void partDeactivated(IWorkbenchPart part) {
        }

        public void partOpened(IWorkbenchPart part) {
        }
    };
    getSite().getPage().addPartListener(partListener);

    // Warm the listener up.
    if (getSite().getPage().getActiveEditor() instanceof GroovyEditor) {
        partListener.partBroughtToTop(getSite().getPage().getActiveEditor());
    }

    listener = new IElementChangedListener() {

        public void elementChanged(ElementChangedEvent event) {
            // The editor is currently not a GroovyEditor, so
            // there is not
            // ASTView to refresh.
            if (editor == null) {
                return;
            }
            IJavaElementDelta delta = event.getDelta();

            IFile file = (IFile) editor.getEditorInput().getAdapter(IFile.class);

            final GroovyCompilationUnit unit = (GroovyCompilationUnit) JavaCore.createCompilationUnitFrom(file);

            // determine if the delta contains the ICompUnit under question
            if (isUnitInDelta(delta, unit)) {
                Display.getDefault().asyncExec(new Runnable() {
                    public void run() {
                        Object[] treePaths = viewer.getExpandedElements();
                        viewer.setInput(unit.getModuleNode());
                        viewer.setExpandedElements(treePaths);
                    }
                });
            }
        }

        private boolean isUnitInDelta(IJavaElementDelta delta, GroovyCompilationUnit unit) {

            IJavaElement elt = delta.getElement();
            if (elt.getElementType() == IJavaElement.COMPILATION_UNIT) {
                // comparing with a compilation unit
                // if test fails, no need to go further
                if (elt.getElementName().equals(unit.getElementName())) {
                    return true;
                } else {
                    return false;
                }
            }

            ICompilationUnit candidateUnit = (ICompilationUnit) elt.getAncestor(IJavaElement.COMPILATION_UNIT);
            if (candidateUnit != null) {
                // now if test fails, no need to go further
                if (candidateUnit.getElementName().equals(unit.getElementName())) {
                    return true;
                } else {
                    return false;
                }
            }

            // delta is a potential ancestor of this compilationUnit
            IJavaElementDelta[] deltas = delta.getAffectedChildren();
            if (deltas != null) {
                for (IJavaElementDelta delta2 : deltas) {
                    if (isUnitInDelta(delta2, unit)) {
                        return true;
                    }
                }
            }
            return false;
        }
    };

    JavaCore.addElementChangedListener(listener, ElementChangedEvent.POST_RECONCILE);

}

From source file:org.codehaus.groovy.eclipse.codeassist.tests.CompletionTestCase.java

License:Open Source License

protected void assertExtendedContextElements(GroovyExtendedCompletionContext context, String signature,
        String... expectedNames) {
    IJavaElement[] visibleElements = context.getVisibleElements(signature);
    assertEquals("Incorrect number of visible elements\nexpected: " + Arrays.toString(expectedNames)
            + "\nfound: " + elementsToNames(visibleElements), expectedNames.length, visibleElements.length);

    for (String name : expectedNames) {
        boolean found = false;
        for (IJavaElement element : visibleElements) {
            if (element.getElementName().equals(name)) {
                found = true;//from  w w  w .ja v  a2  s.  c o m
                break;
            }
        }
        if (!found) {
            fail("couldn't find element named " + name + " in " + elementsToNames(visibleElements));
        }
    }
}

From source file:org.codehaus.groovy.eclipse.codeassist.tests.ExtendedCompletionContextTests.java

License:Apache License

public void testExtendedContextInScript1() throws Exception {
    String contents = "def x = 9\ndef y = ''\ndef z = []\nint a\nString b\nList c\nz";
    GroovyExtendedCompletionContext context = getExtendedCoreContext(create(contents),
            contents.lastIndexOf('z') + 1);
    IJavaElement enclosing = context.getEnclosingElement();
    assertEquals("run", enclosing.getElementName());
    assertExtendedContextElements(context, INTEGER_SIG, "x", "a");
    assertExtendedContextElements(context, STRING_SIG, "y", "b");
    assertExtendedContextElements(context, LIST_SIG, "z", "c");
}

From source file:org.codehaus.groovy.eclipse.codeassist.tests.ExtendedCompletionContextTests.java

License:Apache License

public void testExtendedContextInScript2() throws Exception {
    String contents = "int[] x\nString[] y\nList[] z\nint a\nString b\nList c\nz";
    GroovyExtendedCompletionContext context = getExtendedCoreContext(create(contents),
            contents.lastIndexOf('z') + 1);
    IJavaElement enclosing = context.getEnclosingElement();
    assertEquals("run", enclosing.getElementName());
    assertExtendedContextElements(context, INTEGER_ARR_SIG, "x");
    assertExtendedContextElements(context, STRING_ARR_SIG, "y");
    assertExtendedContextElements(context, LIST_ARR_SIG, "z");
}

From source file:org.codehaus.groovy.eclipse.codeassist.tests.ExtendedCompletionContextTests.java

License:Apache License

public void testExtendedContextInScript3() throws Exception {
    String contents = "class Sub extends Super{ }\nclass Super { }\ndef x = new Super()\ndef y = new Sub()\ndef z\nz";
    GroovyExtendedCompletionContext context = getExtendedCoreContext(create(contents),
            contents.lastIndexOf('z') + 1);
    IJavaElement enclosing = context.getEnclosingElement();
    assertEquals("run", enclosing.getElementName());
    assertExtendedContextElements(context, "LSuper;", "x", "y");
    assertExtendedContextElements(context, "LSub;", "y");
}

From source file:org.codehaus.groovy.eclipse.codeassist.tests.ExtendedCompletionContextTests.java

License:Apache License

public void testExtendedContextInScript4() throws Exception {
    String contents = "class Sub extends Super{ }\nclass Super { }\ndef x = new Super[0]\ndef y = new Sub[0]\ndef z\nz";
    GroovyExtendedCompletionContext context = getExtendedCoreContext(create(contents),
            contents.lastIndexOf('z') + 1);
    IJavaElement enclosing = context.getEnclosingElement();
    assertEquals("run", enclosing.getElementName());
    assertExtendedContextElements(context, "[LSuper;", "x", "y");
    assertExtendedContextElements(context, "[LSub;", "y");
    assertExtendedContextElements(context, "LSuper;");
    assertExtendedContextElements(context, "LSub;");
}

From source file:org.codehaus.groovy.eclipse.codeassist.tests.ExtendedCompletionContextTests.java

License:Apache License

public void testExtendedContextInClass1() throws Exception {
    String contents = "class Sub extends Super{ }\nclass Super {\n def foo() { \ndef x = new Super[0]\ndef y = new Sub[0]\ndef z\nz } }";
    GroovyExtendedCompletionContext context = getExtendedCoreContext(create(contents),
            contents.lastIndexOf('z') + 1);
    IJavaElement enclosing = context.getEnclosingElement();
    assertEquals("foo", enclosing.getElementName());
    assertExtendedContextElements(context, "[LSuper;", "x", "y");
    assertExtendedContextElements(context, "[LSub;", "y");
    assertExtendedContextElements(context, "LSuper;");
    assertExtendedContextElements(context, "LSub;");
}

From source file:org.codehaus.groovy.eclipse.codeassist.tests.ExtendedCompletionContextTests.java

License:Apache License

public void testExtendedContextInClass2() throws Exception {
    String contents = "class Sub extends Super{ }\nclass Super { \nSuper x\nSub y\ndef z\n def foo() { \nz } }";
    GroovyExtendedCompletionContext context = getExtendedCoreContext(create(contents),
            contents.lastIndexOf('z') + 1);
    IJavaElement enclosing = context.getEnclosingElement();
    assertEquals("foo", enclosing.getElementName());
    assertExtendedContextElements(context, "LSuper;", "x", "y");
    assertExtendedContextElements(context, "LSub;", "y");
}

From source file:org.codehaus.groovy.eclipse.codeassist.tests.ExtendedCompletionContextTests.java

License:Apache License

public void testExtendedContextInClass3() throws Exception {
    String contents = "class Super{ \nSuper a\nSub b\ndef c }\nclass Sub extends Super { \nSuper x\nSub y\ndef z\n def foo() { \nSuper z } }";
    GroovyExtendedCompletionContext context = getExtendedCoreContext(create(contents),
            contents.lastIndexOf('z') + 1);
    IJavaElement enclosing = context.getEnclosingElement();
    assertEquals("foo", enclosing.getElementName());
    assertExtendedContextElements(context, "LSub;", "y", "b");
    assertExtendedContextElements(context, "LSuper;", "x", "y", "a", "b", "z");
}

From source file:org.codehaus.groovy.eclipse.codeassist.tests.ExtendedCompletionContextTests.java

License:Apache License

public void testExtendedContextWithGenerics() throws Exception {
    String contents = "Map<Integer, Class> x\n" + "HashMap<Class, Integer> y\n" + "z";
    GroovyExtendedCompletionContext context = getExtendedCoreContext(create(contents),
            contents.lastIndexOf('z') + 1);
    IJavaElement enclosing = context.getEnclosingElement();
    assertEquals("run", enclosing.getElementName());
    assertExtendedContextElements(context, "Ljava.util.Map;", "y", "x");
    assertExtendedContextElements(context, "Ljava.util.HashMap;", "y");
}