Bug 82743 [Markers] improved problem filter needed (OR clauses)
when working with large workspaces I find the current problems filter not powerful enough. If I were able to AND and OR the conditions available from the UI then I would solve all my use cases. my most needed one is : I would like to see ERRORS anywhere in the workspace OR WARNINGS in the current selected project
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/DialogMarkerFilter.java
markerLimit.setLayoutData(gridData);
        markerLimit.setFont(font);
        markerLimit.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                markDirty();
            }
        });
    }
    /**
     * This method is intended to be overridden by subclasses of FiltersDialog. The
     * attributes area will be created just above the Restore Defaults button.
     * 
     * @param parent the parent Composite
     */
    protected void createAttributesArea(Composite parent) {
    }
    private ILabelProvider getLabelProvider() {
        return new TypesLabelProvider();
    }
    /**
     * Returns the selected marker types.
     *
     * @return the selected marker types
     */
    protected List getSelectedTypes() {
        return Arrays.asList(typesViewer.getCheckedElements());
    }
    protected ViewerSorter getSorter() {
        return new ViewerSorter() {
            public int compare(Viewer viewer, Object e1, Object e2) {