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
fCurrentCallMode = mode;
            fDialogSettings.put(DIALOGSTORE_CALL_MODE, mode);
            updateView();
        }
    }
    /**
     * called from ToggleCallModeAction.
     * @param orientation CALL_MODE_CALLERS or CALL_MODE_CALLEES
     */
    void setJavaLabelFormat(int format) {
        if (fCurrentJavaLabelFormat != format) {
            for (int i = 0; i < fToggleJavaLabelFormatActions.length; i++) {
                fToggleJavaLabelFormatActions[i].setChecked(format == fToggleJavaLabelFormatActions[i].getFormat());
            }
            fCurrentJavaLabelFormat = format;
            fDialogSettings.put(DIALOGSTORE_JAVA_LABEL_FORMAT, format);
            fCallHierarchyViewer.setJavaLabelFormat(fCurrentJavaLabelFormat);
        }
    }
    public IJavaSearchScope getSearchScope() {
        return fSearchScopeActions.getSearchScope();
    }
    public void setShowCallDetails(boolean show) {
        fShowCallDetails = show;
        showOrHideCallDetailsView();
    }
    public void createPartControl(Composite parent) {
        
        fPagebook = new PageBook(parent, SWT.NONE);