Examples of org.erlide.engine.model.root.IErlElement

org.erlide.engine.model.root.IErlElement
Common protocol for all elements provided by the Erlang model. Erlang model elements are exposed to clients as handles to the actual underlying element. The Erlang model may hand out any number of handles for each element. Handles that refer to the same element are guaranteed to be equal, but not necessarily identical.
Methods annotated as "handle-only" do not require underlying elements to exist. Methods that require underlying elements to exist throw a ErlModelException when an underlying element is missing. ErlModelException.isDoesNotExist can be used to recognize this common special case.
@noimplement This interface is not intended to be implemented by clients. @author jakob

    @Override
    public IErlProject getErlangProject(final IProject project) {
        if (!project.isAccessible()) {
            return null;
        }
        final IErlElement e = getChildWithResource(project);
        if (e instanceof IErlProject) {
            return (IErlProject) e;
        }
        if (NatureUtil.hasErlangNature(project)) {
            return createErlangProject(project);

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    public IErlElement findElement(final IResource rsrc, final boolean openElements) {
        if (rsrc == null) {
            return null;
        }
        final IPath path = rsrc.getFullPath();
        IErlElement p = this;
        for (final String segment : path.segments()) {
            IErlElement c = p.getChildWithResource(rsrc);
            if (c != null) {
                return c;
            }
            c = p.getChildNamed(segment);
            if (c == null) {
                return null;
            }
            if (openElements) {
                final IErlElement o = c;
                try {
                    o.open(null);
                } catch (final ErlModelException e) {
                    return null;
                }
            }
            final IResource resource = c.getResource();

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    @Override
    public IErlElement innermostThat(final IErlElement el,
            final Predicate<IErlElement> firstThat) {
        if (el != null) {
            final IErlElement p = el;
            try {
                for (final IErlElement child : p.getChildren()) {
                    final IErlElement e2 = innermostThat(child, firstThat);
                    if (e2 != null) {
                        return e2;
                    }
                }
            } catch (final ErlModelException e) {

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    public IErlModule findModule(final IFile file) {
        try {
            open(null);
        } catch (final ErlModelException e) {
        }
        IErlElement element = findElement(file, false);
        if (element == null) {
            element = findElement(file, true);
        }
        if (element == null) {
            return (IErlModule) create(file);

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    public IErlProject findProject(final IProject project) {
        try {
            open(null);
        } catch (final ErlModelException e) {
        }
        final IErlElement e = findElement(project);
        if (e == null) {
            return null;
        }
        return (IErlProject) e;
    }

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    private IErlModule getModuleWithoutResource(final IErlElement parent,
            final String name, final String path, final String encoding,
            final String initialText, final String key) {
        IErlModule m = moduleMap.get(key);
        if (m == null) {
            final IErlElement parent2 = parent == null ? this : parent;
            m = new ErlModule(parent2, name, path, encoding, initialText);
            if (key != null) {
                moduleMap.put(key, m);
                mapModule.put(m, key);
            }

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    public IErlElement create(final IResource resource, final IErlElement parent) {
        if (resource == null) {
            return null;
        }
        final IErlElement e = findElement(resource);
        if (e != null) {
            return e;
        }
        final int type = resource.getType();
        switch (type) {

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            return null;
        }
    }


    void remove(final IResource rsrc) {
        final IErlElement element = findElement(rsrc);
        if (element != null) {
            final IErlElement p = element.getParent();
            p.removeChild(element);
            final IErlElement ErlElement = element;
            try {
                ErlElement.close();
            } catch (final ErlModelException e) {
                ErlLogger.error(e);
            }
        }
    }

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            }
        }
    }


    void change(final IResource rsrc, final IResourceDelta delta) {
        final IErlElement e = findElement(rsrc);
        if (e != null) {
            e.resourceChanged(delta);
        }
    }

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     */
    public IErlElement createFile(final IFile file, final IErlElement parent0) {
        if (file == null) {
            return null;
        }
        IErlElement parent = parent0;
        if (parent == null) {
            final IContainer parentResource = file.getParent();
            if (parentResource != null) {
                final IErlElement element = findElement(parentResource);
                if (element != null) {
                    parent = element;
                }
            }
        }

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