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

Introduction

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

Prototype

IJavaElement getParent();

Source Link

Document

Returns the element directly containing this element, or null if this element has no parent.

Usage

From source file:org.eclipse.ltk.internal.ui.refactoring.CompilationUnitChangeNode.java

License:Open Source License

private IJavaElement getModifiedJavaElement(TextEditBasedChangeGroup edit, ICompilationUnit cunit)
        throws JavaModelException {
    IRegion range = edit.getRegion();/* w  ww.j  av a 2  s.c  om*/
    if (range.getOffset() == 0 && range.getLength() == 0)
        return cunit;
    IJavaElement result = cunit.getElementAt(range.getOffset());
    if (result == null)
        return cunit;

    try {
        while (true) {
            ISourceReference ref = (ISourceReference) result;
            IRegion sRange = new Region(ref.getSourceRange().getOffset(), ref.getSourceRange().getLength());
            if (result.getElementType() == IJavaElement.COMPILATION_UNIT || result.getParent() == null
                    || coveredBy(edit, sRange))
                break;
            result = result.getParent();
        }
    } catch (JavaModelException e) {
        // Do nothing, use old value.
    } catch (ClassCastException e) {
        // Do nothing, use old value.
    }
    return result;
}

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From source file:org.eclipse.ltk.internal.ui.refactoring.CompilationUnitChangeNode.java

License:Open Source License

private JavaLanguageNode getChangeElement(Map<IJavaElement, JavaLanguageNode> map, IJavaElement element,
        List<ChildNode> children, TextEditChangeNode cunitChange) {
    JavaLanguageNode result = map.get(element);
    if (result != null)
        return result;
    IJavaElement parent = element.getParent();
    if (parent instanceof ICompilationUnit) {
        result = new JavaLanguageNode(cunitChange, element);
        children.add(result);//from w  w  w.  j  av a 2s. c  om
        map.put(element, result);
    } else {
        JavaLanguageNode parentChange = getChangeElement(map, parent, children, cunitChange);
        result = new JavaLanguageNode(parentChange, element);
        parentChange.addChild(result);
        map.put(element, result);
    }
    return result;
}

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From source file:org.eclipse.m2e.jdt.internal.DownloadSourcesActionDelegate.java

License:Open Source License

public void setActiveEditor(IAction action, IEditorPart part) {

    if (part != null) {
        try {/*w  w  w .  ja v  a 2s .co  m*/
            IClasspathManager buildpathManager = MavenJdtPlugin.getDefault().getBuildpathManager();

            IClassFileEditorInput input = (IClassFileEditorInput) part.getEditorInput();
            IJavaElement element = input.getClassFile();
            while (element.getParent() != null) {
                element = element.getParent();
                if (element instanceof IPackageFragmentRoot) {
                    IPackageFragmentRoot root = (IPackageFragmentRoot) element;

                    if (root.getSourceAttachmentPath() != null) {
                        // do nothing if sources attached already
                        break;
                    }

                    buildpathManager.scheduleDownload(root, true/*sources*/, false/*javadoc*/);
                }
            }
        } catch (Exception ex) {
            log.error("Could not schedule source download", ex); //$NON-NLS-1$
        }
    }
}

---

From source file:org.eclipse.m2e.jdt.ui.internal.DownloadSourcesActionDelegate.java

License:Open Source License

public void setActiveEditor(IAction action, IEditorPart part) {

    if (part != null && part.getEditorInput() instanceof IClassFileEditorInput) {
        try {//w  ww .j  a v  a 2s .  c  om
            IClasspathManager buildpathManager = MavenJdtPlugin.getDefault().getBuildpathManager();
            IClassFileEditorInput input = (IClassFileEditorInput) part.getEditorInput();
            IJavaElement element = input.getClassFile();
            while (element.getParent() != null) {
                element = element.getParent();
                if (element instanceof IPackageFragmentRoot) {
                    IPackageFragmentRoot root = (IPackageFragmentRoot) element;

                    if (root.getSourceAttachmentPath() != null) {
                        // do nothing if sources attached already
                        break;
                    }

                    buildpathManager.scheduleDownload(root, true/*sources*/, false/*javadoc*/);
                }
            }
        } catch (Exception ex) {
            log.error("Could not schedule source download", ex); //$NON-NLS-1$
        }
    }
}

---

From source file:org.eclipse.m2e.refactoring.exclude.DependencyExcludeAction.java

License:Open Source License

public void selectionChanged(IAction action, ISelection selection) {
    file = null;//w w  w. jav  a2 s.  co m
    keys = null;

    // TODO move logic into adapters
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;

        List<ArtifactKey> keys = new ArrayList<ArtifactKey>(structuredSelection.size());
        for (Object selected : structuredSelection.toArray()) {
            if (selected instanceof Artifact) {
                file = getFileFromEditor();
                keys.add(new ArtifactKey((Artifact) selected));
            } else if (selected instanceof org.sonatype.aether.graph.DependencyNode) {
                file = getFileFromEditor();
                keys.add(new ArtifactKey(
                        ((org.sonatype.aether.graph.DependencyNode) selected).getDependency().getArtifact()));
            } else if (selected instanceof RequiredProjectWrapper) {
                RequiredProjectWrapper w = (RequiredProjectWrapper) selected;
                file = getFileFromProject(w.getParentClassPathContainer().getJavaProject());
                keys.add(SelectionUtil.getType(selected, ArtifactKey.class));
            } else {
                keys.add(SelectionUtil.getType(selected, ArtifactKey.class));
                if (selected instanceof IJavaElement) {
                    IJavaElement el = (IJavaElement) selected;
                    file = getFileFromProject(el.getParent().getJavaProject());
                }
            }
        }
        this.keys = keys.toArray(new ArtifactKey[keys.size()]);
    }
    if (keys != null && keys.length > 0 && file != null) {
        action.setEnabled(true);
    } else {
        action.setEnabled(false);
    }
}

---

From source file:org.eclipse.mylyn.internal.java.ui.JavaEditingMonitor.java

License:Open Source License

/**
 * @return null for elements that aren't modeled
 *///from   w ww.jav  a2  s . com
protected IJavaElement checkIfAcceptedAndPromoteIfNecessary(IJavaElement element) {
    // if (element instanceof IPackageDeclaration) return null;
    if (element instanceof IImportContainer) {
        return element.getParent();
    } else if (element instanceof IImportDeclaration) {
        return element.getParent().getParent();
    } else {
        return element;
    }
}

---

From source file:org.eclipse.mylyn.internal.java.ui.JavaStructureBridge.java

License:Open Source License

@Override
public String getParentHandle(String handle) {
    IJavaElement javaElement = (IJavaElement) getObjectForHandle(handle);
    if (javaElement != null && javaElement.getParent() != null) {
        return getHandleIdentifier(javaElement.getParent());
    } else {/*w ww.ja va2  s  .  co m*/
        return null;
    }
}

---

From source file:org.eclipse.mylyn.internal.java.ui.JavaStructureBridge.java

License:Open Source License

@Override
public String getHandleForOffsetInObject(Object object, int offset) {
    IMarker marker;/*www  .j av  a 2 s  .c om*/
    if (object instanceof ConcreteMarker) {
        marker = ((ConcreteMarker) object).getMarker();
    } else if (object instanceof Marker) {
        marker = (Marker) object;
    } else {
        return null;
    }

    try {
        ICompilationUnit compilationUnit = null;
        IResource resource = marker.getResource();
        if (resource instanceof IFile) {
            IFile file = (IFile) resource;
            // TODO: get rid of file extension check
            if (file.getFileExtension().equals("java")) { //$NON-NLS-1$
                compilationUnit = JavaCore.createCompilationUnitFrom(file);
            } else {
                return null;
            }
        }
        if (compilationUnit != null) {
            // first try to resolve the character start, then the line number if not present
            int charStart = 0;
            Object attribute = marker.getAttribute(IMarker.CHAR_START, 0);
            if (attribute instanceof Integer) {
                charStart = ((Integer) attribute).intValue();
            }
            IJavaElement javaElement = null;
            if (charStart != -1) {
                javaElement = compilationUnit.getElementAt(charStart);
            } else {
                int lineNumber = 0;
                Object lineNumberAttribute = marker.getAttribute(IMarker.LINE_NUMBER, 0);
                if (lineNumberAttribute instanceof Integer) {
                    lineNumber = ((Integer) lineNumberAttribute).intValue();
                }
                if (lineNumber != -1) {
                    // could do finer granularity by uncommenting what's below, see bug 132092
                    //                  Document document = new Document(compilationUnit.getSource());
                    //                  IRegion region = document.getLineInformation(lineNumber);
                    //                  javaElement = compilationUnit.getElementAt(region.getOffset());
                    javaElement = compilationUnit;
                }
            }

            if (javaElement != null) {
                if (javaElement instanceof IImportDeclaration) {
                    javaElement = javaElement.getParent().getParent();
                }
                return javaElement.getHandleIdentifier();
            } else {
                return null;
            }
        } else {
            return null;
        }
    } catch (JavaModelException ex) {
        if (!ex.isDoesNotExist()) {
            ExceptionHandler.handle(ex, "error", "could not find java element"); //$NON-NLS-1$ //$NON-NLS-2$
        }
        return null;
    } catch (Throwable t) {
        StatusHandler.log(new Status(IStatus.ERROR, JavaUiBridgePlugin.ID_PLUGIN, "Could not find element for: " //$NON-NLS-1$
                + marker, t));
        return null;
    }
}

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From source file:org.eclipse.mylyn.java.tests.InteractionContextManagerTest.java

License:Open Source License

public void testIncremenOfParentDoi() throws JavaModelException, Exception {
    IWorkbenchPart part = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart();
    IMethod m1 = type1.createMethod("void m1() { }", null, true, null);
    IInteractionElement node = ContextCore.getContextManager().getElement(m1.getHandleIdentifier());
    assertFalse(node.getInterest().isInteresting());

    StructuredSelection sm1 = new StructuredSelection(m1);
    monitor.selectionChanged(part, sm1);
    node = ContextCore.getContextManager().getElement(m1.getHandleIdentifier());
    assertTrue(node.getInterest().isInteresting());

    project.build();//from  w w  w  .  jav  a  2  s.c o  m
    IJavaElement parent = m1.getParent();
    @SuppressWarnings("unused")
    int level = 1;
    do {
        level++;
        IInteractionElement parentNode = ContextCore.getContextManager()
                .getElement(parent.getHandleIdentifier());
        if (!(parent instanceof JavaModel)) {
            assertEquals("failed on: " + parent.getClass(), node.getInterest().getValue(),
                    parentNode.getInterest().getValue());
        }
        parent = parent.getParent();
    } while (parent != null);
}

---

From source file:org.eclipse.mylyn.java.tests.InteractionContextManagerTest.java

License:Open Source License

public void testIncremenOfParentDoiAfterForcedDecay() throws JavaModelException, Exception {
    IWorkbenchPart part = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart();
    IMethod m1 = type1.createMethod("void m1() { }", null, true, null);
    IMethod m2 = type1.createMethod("void m2() { }", null, true, null);
    IInteractionElement node = ContextCore.getContextManager().getElement(m1.getHandleIdentifier());
    assertFalse(node.getInterest().isInteresting());

    monitor.selectionChanged(part, new StructuredSelection(m1));
    node = ContextCore.getContextManager().getElement(m1.getHandleIdentifier());
    assertTrue(node.getInterest().isInteresting());

    // make all the parents interest propated to have negative interest
    IJavaElement parent = m1.getParent();
    @SuppressWarnings("unused")
    int level = 1;
    do {/*from  w w w  .j  a v a  2  s.  c  om*/
        level++;
        IInteractionElement parentNode = ContextCore.getContextManager()
                .getElement(parent.getHandleIdentifier());
        if (!(parent instanceof JavaModel)) {
            assertTrue(parentNode.getInterest().isInteresting());
            ContextCore.getContextManager().processInteractionEvent(mockInterestContribution(
                    parentNode.getHandleIdentifier(), -2 * parentNode.getInterest().getValue()));
            IInteractionElement updatedParent = ContextCore.getContextManager()
                    .getElement(parent.getHandleIdentifier());
            assertFalse(updatedParent.getInterest().isInteresting());
        }
        parent = parent.getParent();
    } while (parent != null);

    //      assertFalse(node.getInterest().isInteresting());

    // select the element, should propagate up
    monitor.selectionChanged(part, new StructuredSelection(m2));
    monitor.selectionChanged(part, new StructuredSelection(m1));
    node = ContextCore.getContextManager().getElement(m1.getHandleIdentifier());
    assertTrue(node.getInterest().isInteresting());

    project.build();
    parent = m1.getParent();
    level = 1;
    do {
        level++;
        IInteractionElement parentNode = ContextCore.getContextManager()
                .getElement(parent.getHandleIdentifier());
        if (!(parent instanceof JavaModel)) {
            assertTrue(parentNode.getInterest().isInteresting());
            //            assertEquals("failed on: " + parent.getClass(), node.getInterest().getValue(), parentNode.getInterest()
            //                  .getValue());
        }
        parent = parent.getParent();
    } while (parent != null);
}

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