Example usage for org.eclipse.jdt.core IJavaElementDelta F

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In this page you can find the example usage for org.eclipse.jdt.core IJavaElementDelta F_SOURCEDETACHED.

Prototype

int F_SOURCEDETACHED

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Change flag indicating that the source attachment path or the source attachment root path of a classpath entry corresponding to the element was removed.

Usage

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

License:Open Source License

protected boolean toDebugString(StringBuffer buffer, int flags) {
    boolean prev = super.toDebugString(buffer, flags);

    if ((flags & IJavaElementDelta.F_CHILDREN) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("CHILDREN"); //$NON-NLS-1$
        prev = true;//from  w  ww.  j a v a 2 s  . co m
    }
    if ((flags & IJavaElementDelta.F_CONTENT) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("CONTENT"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_MOVED_FROM) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("MOVED_FROM(" + ((JavaElement) getMovedFromElement()).toStringWithAncestors() + ")"); //$NON-NLS-1$ //$NON-NLS-2$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_MOVED_TO) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("MOVED_TO(" + ((JavaElement) getMovedToElement()).toStringWithAncestors() + ")"); //$NON-NLS-1$ //$NON-NLS-2$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_ADDED_TO_CLASSPATH) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("ADDED TO CLASSPATH"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("REMOVED FROM CLASSPATH"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_REORDER) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("REORDERED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_ARCHIVE_CONTENT_CHANGED) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("ARCHIVE CONTENT CHANGED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_SOURCEATTACHED) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("SOURCE ATTACHED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_SOURCEDETACHED) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("SOURCE DETACHED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_FINE_GRAINED) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("FINE GRAINED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_PRIMARY_WORKING_COPY) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("PRIMARY WORKING COPY"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_CLASSPATH_CHANGED) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("RAW CLASSPATH CHANGED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_RESOLVED_CLASSPATH_CHANGED) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("RESOLVED CLASSPATH CHANGED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_PRIMARY_RESOURCE) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("PRIMARY RESOURCE"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_OPENED) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("OPENED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_CLOSED) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("CLOSED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_AST_AFFECTED) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("AST AFFECTED"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_CATEGORIES) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("CATEGORIES"); //$NON-NLS-1$
        prev = true;
    }
    if ((flags & IJavaElementDelta.F_ANNOTATIONS) != 0) {
        if (prev)
            buffer.append(" | "); //$NON-NLS-1$
        buffer.append("ANNOTATIONS"); //$NON-NLS-1$
        prev = true;
    }
    return prev;
}

From source file:com.redhat.ceylon.eclipse.code.explorer.PackageExplorerContentProvider.java

License:Open Source License

/**
 * Processes a delta recursively. When more than two children are affected the
 * tree is fully refreshed starting at this node.
 *
 * @param delta the delta to process//from w  w  w . j a v a  2s. co m
 * @param runnables the resulting view changes as runnables (type {@link Runnable})
 * @return true is returned if the conclusion is to refresh a parent of an element. In that case no siblings need
 * to be processed
 * @throws JavaModelException thrown when the access to an element failed
 */
private boolean processDelta(IJavaElementDelta delta, Collection<Runnable> runnables)
        throws JavaModelException {

    int kind = delta.getKind();
    int flags = delta.getFlags();
    IJavaElement element = delta.getElement();
    int elementType = element.getElementType();

    if (elementType != IJavaElement.JAVA_MODEL && elementType != IJavaElement.JAVA_PROJECT) {
        IJavaProject proj = element.getJavaProject();
        if (proj == null || !proj.getProject().isOpen()) // TODO: Not needed if parent already did the 'open' check!
            return false;
    }

    if (elementType == IJavaElement.PACKAGE_FRAGMENT) {
        if ((flags & (IJavaElementDelta.F_CONTENT
                | IJavaElementDelta.F_CHILDREN)) == IJavaElementDelta.F_CONTENT) {
            // TODO: This should never be true for folders (F_CONTENT is only for files)
            if (!fIsFlatLayout) {
                Object parent = getHierarchicalPackageParent((IPackageFragment) element);
                if (!(parent instanceof IPackageFragmentRoot)) {
                    postRefresh(internalGetParent(parent), GRANT_PARENT, element, runnables);
                    return true;
                }
            }
            // content change, without children info (for example resource added/removed to class folder package)
            postRefresh(internalGetParent(element), PARENT, element, runnables);
            return true;
        }

        if (!fIsFlatLayout) {
            if (kind == IJavaElementDelta.REMOVED) {
                final Object parent = getHierarchicalPackageParent((IPackageFragment) element);
                if (parent instanceof IPackageFragmentRoot) {
                    postRemove(element, runnables);
                    return false;
                } else {
                    postRefresh(internalGetParent(parent), GRANT_PARENT, element, runnables);
                    return true;
                }
            } else if (kind == IJavaElementDelta.ADDED) {
                final Object parent = getHierarchicalPackageParent((IPackageFragment) element);
                if (parent instanceof IPackageFragmentRoot) {
                    if (fFoldPackages) {
                        postRefresh(parent, PARENT, element, runnables);
                        return true;
                    } else {
                        postAdd(parent, element, runnables);
                        return false;
                    }
                } else {
                    postRefresh(internalGetParent(parent), GRANT_PARENT, element, runnables);
                    return true;
                }
            }
            handleAffectedChildren(delta, element, runnables);
            return false;
        }
    }

    if (elementType == IJavaElement.COMPILATION_UNIT) {
        ICompilationUnit cu = (ICompilationUnit) element;
        if (!JavaModelUtil.isPrimary(cu)) {
            return false;
        }

        if (!getProvideMembers() && cu.isWorkingCopy() && kind == IJavaElementDelta.CHANGED) {
            return false;
        }

        if (kind == IJavaElementDelta.CHANGED && !isStructuralCUChange(flags)) {
            return false; // test moved ahead
        }

        if (!isOnClassPath(cu)) { // TODO: isOnClassPath expensive! Should be put after all cheap tests
            return false;
        }

    }

    if (elementType == IJavaElement.JAVA_PROJECT) {
        // handle open and closing of a project
        if ((flags & (IJavaElementDelta.F_CLOSED | IJavaElementDelta.F_OPENED)) != 0) {
            postRefresh(element, ORIGINAL, element, runnables);
            return false;
        }
        // if the class path has changed we refresh the entire project
        if ((flags & IJavaElementDelta.F_RESOLVED_CLASSPATH_CHANGED) != 0) {
            postRefresh(element, ORIGINAL, element, runnables);
            return false;
        }
        // if added it could be that the corresponding IProject is already shown. Remove it first.
        // bug 184296
        if (kind == IJavaElementDelta.ADDED) {
            postRemove(element.getResource(), runnables);
            postAdd(element.getParent(), element, runnables);
            return false;
        }
    }

    if (kind == IJavaElementDelta.REMOVED) {
        Object parent = internalGetParent(element);
        if (element instanceof IPackageFragment) {
            // refresh package fragment root to allow filtering empty (parent) packages: bug 72923
            if (fViewer.testFindItem(parent) != null)
                postRefresh(parent, PARENT, element, runnables);
            return true;

        } else if (element instanceof IPackageFragmentRoot) {
            // libs and class folders can show up twice (in library container and as resource at original location)
            IResource resource = element.getResource();
            if (resource != null && !resource.exists())
                postRemove(resource, runnables);
        }

        postRemove(element, runnables);
        if (parent instanceof IPackageFragment)
            postUpdateIcon((IPackageFragment) parent, runnables);
        // we are filtering out empty subpackages, so we
        // a package becomes empty we remove it from the viewer.
        if (isPackageFragmentEmpty(element.getParent())) {
            if (fViewer.testFindItem(parent) != null)
                postRefresh(internalGetParent(parent), GRANT_PARENT, element, runnables);
            return true;
        }
        return false;
    }

    if (kind == IJavaElementDelta.ADDED) {
        Object parent = internalGetParent(element);
        // we are filtering out empty subpackages, so we
        // have to handle additions to them specially.
        if (parent instanceof IPackageFragment) {
            Object grandparent = internalGetParent(parent);
            // 1GE8SI6: ITPJUI:WIN98 - Rename is not shown in Packages View
            // avoid posting a refresh to an invisible parent
            if (parent.equals(fInput)) {
                postRefresh(parent, PARENT, element, runnables);
            } else {
                // refresh from grandparent if parent isn't visible yet
                if (fViewer.testFindItem(parent) == null)
                    postRefresh(grandparent, GRANT_PARENT, element, runnables);
                else {
                    postRefresh(parent, PARENT, element, runnables);
                }
            }
            return true;
        } else {
            if (element instanceof IPackageFragmentRoot
                    && ((IPackageFragmentRoot) element).getKind() != IPackageFragmentRoot.K_SOURCE) {
                // libs and class folders can show up twice (in library container or under project, and as resource at original location)
                IResource resource = element.getResource();
                if (resource != null) {
                    Object resourceParent = super.internalGetParent(resource);
                    if (resourceParent != null) {
                        IJavaProject proj = element.getJavaProject();
                        if (fShowLibrariesNode || !resourceParent.equals(proj)) {
                            postAdd(resourceParent, resource, runnables);
                        }
                    }
                }
            }
            postAdd(parent, element, runnables);
        }
    }

    if (elementType == IJavaElement.COMPILATION_UNIT || elementType == IJavaElement.CLASS_FILE) {
        if (kind == IJavaElementDelta.CHANGED) {
            // isStructuralCUChange already performed above
            postRefresh(element, ORIGINAL, element, runnables);
        }
        return false;
    }

    if (elementType == IJavaElement.PACKAGE_FRAGMENT_ROOT) {
        // the contents of an external JAR has changed
        if ((flags & IJavaElementDelta.F_ARCHIVE_CONTENT_CHANGED) != 0) {
            postRefresh(element, ORIGINAL, element, runnables);
            return false;
        }
        if ((flags & (IJavaElementDelta.F_CONTENT
                | IJavaElementDelta.F_CHILDREN)) == IJavaElementDelta.F_CONTENT) {
            // TODO: This should never be true for folders (F_CONTENT is only for files)
            // content change, without children info (for example resource added/removed to class folder package)
            postRefresh(internalGetParent(element), PARENT, element, runnables);
            return true;
        }

        // the source attachment of a JAR has changed
        if ((flags & (IJavaElementDelta.F_SOURCEATTACHED | IJavaElementDelta.F_SOURCEDETACHED)) != 0)
            postUpdateIcon(element, runnables);

        if (isClassPathChange(delta)) {
            // throw the towel and do a full refresh of the affected java project.
            postRefresh(element.getJavaProject(), PROJECT, element, runnables);
            return true;
        }
    }

    handleAffectedChildren(delta, element, runnables);
    return false;
}

From source file:org.eclipse.xtext.ui.util.JavaProjectClasspathChangeAnalyzer.java

License:Open Source License

private boolean isAttachmentChangeFlagOnly(IJavaElementDelta child) {
    // change is sourceattached or sourcedetached or sourceattached and sourcedetached at the same time
    return child.getFlags() == IJavaElementDelta.F_SOURCEATTACHED
            || child.getFlags() == IJavaElementDelta.F_SOURCEDETACHED
            || child.getFlags() == IJavaElementDelta.F_SOURCEDETACHED + IJavaElementDelta.F_SOURCEATTACHED;
}

From source file:org.summer.dsl.builder.impl.javasupport.ProjectClasspathChangeListener.java

License:Open Source License

protected Set<IJavaProject> getJavaProjectsWithClasspathChange(IJavaElementDelta delta) {
    IJavaElement element = delta.getElement();
    if (element instanceof IPackageFragmentRoot) {
        IPackageFragmentRoot root = (IPackageFragmentRoot) element;
        if (delta.getKind() == IJavaElementDelta.REMOVED || delta.getKind() == IJavaElementDelta.ADDED
                || (delta.getFlags() & IJavaElementDelta.F_REORDER) != 0
                || (delta.getFlags() & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) != 0
                || (delta.getFlags() & IJavaElementDelta.F_ADDED_TO_CLASSPATH) != 0
                || (root.isExternal() && (delta.getFlags() & // external folders change
                        (IJavaElementDelta.F_CONTENT | IJavaElementDelta.F_SOURCEATTACHED
                                | IJavaElementDelta.F_SOURCEDETACHED)) == delta.getFlags())) {
            return Collections.singleton(root.getJavaProject());
        }/*w w  w. j a va 2s  . c o  m*/
    } else if (element instanceof IJavaModel) {
        return getPackageFragmentRootDeltas(delta.getAffectedChildren());
    } else if (element instanceof IJavaProject) {
        if ((delta.getFlags() & IJavaElementDelta.F_CLASSPATH_CHANGED) != 0
                || (delta.getFlags() & IJavaElementDelta.F_RESOLVED_CLASSPATH_CHANGED) != 0)
            return Collections.singleton((IJavaProject) element);
        return getPackageFragmentRootDeltas(delta.getAffectedChildren());
    }
    return Collections.emptySet();
}

Example usage for org.eclipse.jdt.core IJavaElementDelta F_SOURCEDETACHED

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