Bug 36511 call hierarchy: details list should be a table with icons
details list should be a table with icons - we can reuse the icons used by 'find in file'
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyViewPart.java
if (ratio != null) {
            fHierarchyLocationSplitter.setWeights(new int[] {
                    ratio.intValue(), 1000 - ratio.intValue()
                });
        }
    }
    private void initCallMode() {
        int mode;
        try {
            mode = fDialogSettings.getInt(DIALOGSTORE_CALL_MODE);
            if ((mode < 0) || (mode > 1)) {
                mode = CALL_MODE_CALLERS;
            }
        } catch (NumberFormatException e) {
            mode = CALL_MODE_CALLERS;
        }
        
        fCurrentCallMode = -1;
        
        setCallMode(mode);
    }
    private void initOrientation() {
        int orientation;
        try {
            orientation = fDialogSettings.getInt(DIALOGSTORE_VIEWORIENTATION);
            if ((orientation < 0) || (orientation > 2)) {
                orientation = VIEW_ORIENTATION_VERTICAL;
            }
        } catch (NumberFormatException e) {
            orientation = VIEW_ORIENTATION_VERTICAL;