Example usage for org.eclipse.jdt.core IPackageFragmentRoot getElementType

Introduction

In this page you can find the example usage for org.eclipse.jdt.core IPackageFragmentRoot getElementType.

Prototype

int getElementType();

Source Link

Document

Returns this element's kind encoded as an integer.

Usage

From source file:com.motorola.studio.android.model.BuildingBlockModel.java

License:Apache License

/**
 * Extract source folder from selection.
 * @param selection/*w  w w.j  a  v  a2 s . com*/
 * @return
 * @throws CoreException
 */
private static IPackageFragmentRoot extractPackageFragmentRoot(IStructuredSelection selection)
        throws CoreException {
    IPackageFragmentRoot pack = null;
    Object selectionElement = selection.getFirstElement();

    if (selectionElement instanceof IPackageFragmentRoot) {
        pack = (IPackageFragmentRoot) selectionElement;
    } else if (selectionElement instanceof IJavaElement) {
        pack = (IPackageFragmentRoot) ((IJavaElement) selectionElement)
                .getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
        if (pack == null) {
            IJavaProject element = ((IJavaElement) selectionElement).getJavaProject();

            for (IPackageFragmentRoot root : element.getPackageFragmentRoots()) {
                if (root.getResource() != null) {
                    boolean isSrc = (root.getElementType()
                            & IPackageFragmentRoot.K_SOURCE) == IPackageFragmentRoot.K_SOURCE;
                    boolean isGen = root.getElementName().equals(IAndroidConstants.GEN_SRC_FOLDER)
                            && (root.getParent() instanceof IJavaProject);
                    if (isSrc && !isGen) {
                        pack = root;
                        break;
                    }
                }
            }
        }
    } else if (selectionElement instanceof IResource) {
        IJavaProject element = JavaCore.create(((IResource) selectionElement).getProject());

        if (element.isOpen()) {
            for (IPackageFragmentRoot root : element.getPackageFragmentRoots()) {
                if (root.getResource() != null) {
                    boolean isSrc = (root.getElementType()
                            & IPackageFragmentRoot.K_SOURCE) == IPackageFragmentRoot.K_SOURCE;
                    boolean isGen = root.getElementName().equals(IAndroidConstants.GEN_SRC_FOLDER)
                            && (root.getParent() instanceof IJavaProject);
                    if (isSrc && !isGen) {
                        pack = root;
                        break;
                    }
                }
            }
        }
    } else {
        IJavaProject[] allProjects = JavaCore.create(ResourcesPlugin.getWorkspace().getRoot())
                .getJavaProjects();
        if ((allProjects != null) && (allProjects.length > 0)) {
            for (IJavaProject project : allProjects) {
                if (project.getResource().getProject().hasNature(IAndroidConstants.ANDROID_NATURE)) {
                    IPackageFragmentRoot[] roots = project.getPackageFragmentRoots();

                    if ((roots != null) && (roots.length > 0)) {
                        boolean found = false;

                        for (IPackageFragmentRoot root : roots) {
                            boolean isSrc = (root.getElementType()
                                    & IPackageFragmentRoot.K_SOURCE) == IPackageFragmentRoot.K_SOURCE;
                            boolean isGen = root.getElementName().equals(IAndroidConstants.GEN_SRC_FOLDER)
                                    && (root.getParent() instanceof IJavaProject);
                            if (isSrc && !isGen) {
                                found = true;
                                pack = root;
                                break;
                            }
                        }

                        if (found) {
                            break;
                        }
                    }
                }
            }
        }
    }

    if (pack != null) {
        if (!pack.getJavaProject().getProject().hasNature(IAndroidConstants.ANDROID_NATURE)) {
            pack = extractPackageFragmentRoot(new TreeSelection());
        }
    }
    return pack;
}

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