empire-db-jakarta-faces/src/main/java/org/apache/empire/jakarta/controls/SelectInputControl.java [51:288]:
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public class SelectInputControl extends InputControl
{
    private static final Logger log                   = LoggerFactory.getLogger(SelectInputControl.class);

    public static final String  COLATTR_ABBR_OPTIONS  = "ABBR_OPTIONS";                                   // Option list for abbreviations

    public static final String  VALUE_EXPRESSION_TYPE = "VALUE_EXPRESSION_TYPE";

    public static final String  FORMAT_SIZE           = "size:";

    public static final String  FORMAT_SIZE_ATTR      = "format:size";
    
    public static final String  NAME                  = "select";

    private final Class<? extends HtmlSelectOneMenu> menuComponentClass;

    private final Class<? extends HtmlSelectOneListbox> listComponentClass;
    
    public SelectInputControl(String name, Class<? extends HtmlSelectOneMenu> menuComponentClass, Class<? extends HtmlSelectOneListbox> listComponentClass)
    {
        super(name);
        this.menuComponentClass = menuComponentClass;
        this.listComponentClass = listComponentClass;
    }

    public SelectInputControl()
    {
        this(SelectInputControl.NAME, HtmlSelectOneMenu.class, HtmlSelectOneListbox.class);
    }

    /* for SelectTag (when no column is available) */ 
    public UISelectOne createSelectComponent(UIComponent parent, FacesContext context, Object formatSize)
    {
        Class<? extends UISelectOne> selectOneClass;
        int listSize = ObjectUtils.getInteger(formatSize, 1);
        if (listSize==-1 || listSize>1)
            selectOneClass = this.listComponentClass;
        else
            selectOneClass = this.menuComponentClass;
        // create now
        UISelectOne selectOne = InputControlManager.createComponent(context, selectOneClass);
        // set list size
        if ((selectOne instanceof HtmlSelectOneListbox) && listSize>1)
            ((HtmlSelectOneListbox)selectOne).setSize(listSize);
        // done
        return selectOne;
    }

    @Override
    protected void createInputComponents(UIComponent parent, InputInfo ii, FacesContext context, List<UIComponent> compList)
    {
        // check params
        if (!compList.isEmpty())
            throw new InvalidArgumentException("compList", compList);
        // create list or menu
        Object formatSize = getFormatOption(ii, FORMAT_SIZE, FORMAT_SIZE_ATTR);
        UISelectOne input = createSelectComponent(parent, context, formatSize);
        // set ValueExpressionType
        Object value = ii.getValue(false);
        if (value instanceof ValueExpression)
        {   // Set target class
            Class<?> exprType = ((ValueExpression)value).getType(context.getELContext());
            input.getAttributes().put(SelectInputControl.VALUE_EXPRESSION_TYPE, exprType);
        }
        // copy Attributes
        copyAttributes(parent, ii, input);
        // disabled
        boolean disabled = setDisabled(input, ii);
        // Options
        initOptions(input, ii.getTextResolver(), ii);
        // add
        compList.add(input);
        // style
        addRemoveDisabledStyle(input, disabled);
        addRemoveInvalidStyle(input, ii.hasError());
        // Set Value
        setInputValue(input, ii);
    }
    
    @Override
    protected void updateInputState(List<UIComponent> compList, InputInfo ii, FacesContext context, PhaseId phaseId)
    {
        UIComponent comp = compList.get(0);
        if (!(comp instanceof UISelectOne))
        {
            throw new UnexpectedReturnValueException(comp.getClass().getName(), "parent.getChildren()");
        }
        UISelectOne input = (UISelectOne)comp;
        // required
        addRemoveStyle(input, TagStyleClass.INPUT_REQ, ii.isRequired());
        // disabled
        boolean disabled = setDisabled(input, ii);
        // check phase
        if (phaseId!=PhaseId.APPLY_REQUEST_VALUES)
        {   // Options (sync)
            syncOptions(input, ii.getTextResolver(), ii);
        }
        if (phaseId==PhaseId.RENDER_RESPONSE)
        {   // style
            addRemoveDisabledStyle(input, disabled);
            addRemoveInvalidStyle(input, ii.hasError());
            // set value
            setInputValue(input, ii);
        }
    }
    
    protected boolean setDisabled(UISelectOne input, InputInfo ii)
    {
        boolean disabled = ii.isDisabled();
        if (input instanceof HtmlSelectOneMenu)
            ((HtmlSelectOneMenu)input).setDisabled(disabled);
        else if (input instanceof HtmlSelectOneListbox)
            ((HtmlSelectOneListbox)input).setDisabled(disabled);
        else
            log.warn("Unable to set disabled attribute!");
        return disabled;
    }

    protected boolean isEmptyEntryRequired(UISelectOne input, Options options, InputInfo ii, Object currentValue)
    {
        if (input instanceof HtmlSelectOneListbox)
            return false; // not for listbox
        if (options!=null && options.containsNull())
        {   // already has an empty option
            return false;
        }
        // check required
        if (ii.isRequired()==false)
        {   // not required!   
            /* 
             * Old code: Why check this?
             * 
            Column column = ii.getColumn(); 
            if (column==null || !(ii.isDisabled() && !column.isRequired()))
            {   // add empty entry
                return true;
            }
            */
            return true;
        }
        // Check Value
        return ObjectUtils.isEmpty(currentValue);
    }

    /**
     * SelectGroup
     * helper class for building SelectItemGroups
     */
    protected static class SelectGroup
    {
        private final SelectItemGroup  selectItemGroup;
        private final List<SelectItem> groupItemList;
        public SelectGroup(SelectItemGroup  selectItemGroup)
        {
            this.selectItemGroup = selectItemGroup;
            this.groupItemList = new ArrayList<SelectItem>();
        }
        public List<SelectItem> getItemList()
        {
            return groupItemList;
        }
        public void peg()
        {
            SelectItem[] items = ObjectUtils.listToArray(SelectItem[].class, groupItemList);
            selectItemGroup.setSelectItems(items);
        }
    }
    
    public void initOptions(UISelectOne input, TextResolver textResolver, InputInfo ii)
    {
        // get the options
        Options options = ii.getOptions();
        if (options==null)
        {   // invalid options
            if (ii.getColumn()!=null)
                log.warn("No options given for column {}", ii.getColumn().getName());
            else
                log.warn("No options given for select tag {}", input.getClientId());
            options = new Options();
        }
        // list and type
        Class<?> exprType = (Class<?>)input.getAttributes().get(SelectInputControl.VALUE_EXPRESSION_TYPE);
        List<SelectItem> selectItemList = getSelectItemList(input);
        // current 
        Object currentValue = ii.getValue(true);
        if (isEmptyEntryRequired(input, options, ii, currentValue))
        {   // Empty entry
            addSelectItem(selectItemList, textResolver, new OptionEntry(null, getNullText(ii)), exprType);
        }
        if (options != null && options.size() > 0)
        {   // Option grouping?
            OptionGroupResolver optionGroupResolver = options.getOptionGroupResolver();
            Map<Object, SelectGroup> groupMap = (optionGroupResolver!=null ? new HashMap<Object, SelectGroup>() : null);
            // Add options
            for (OptionEntry oe : options)
            {   // Option entries
                if (oe.isActive() || ObjectUtils.compareEqual(oe.getValue(), currentValue))
                {   // add active or current item
                    List<SelectItem> list = selectItemList; 
                    if (optionGroupResolver!=null)
                    {   // get the option group
                        Object group = optionGroupResolver.getGroup(oe);
                        if (group!=null)
                        {   // We have a group
                            SelectGroup selectGroup = groupMap.get(group);
                            if (selectGroup==null)
                            {   // Create a new group
                                String groupLabel = (group!=null ? textResolver.resolveText(group.toString()) : null); 
                                SelectItemGroup selectItemGroup = new SelectItemGroup(groupLabel);
                                selectItemList.add(selectItemGroup);
                                // add group to map
                                selectGroup = new SelectGroup(selectItemGroup);
                                groupMap.put(group, selectGroup);
                            }
                            list = selectGroup.getItemList();
                        }
                    }
                    addSelectItem(list, textResolver, oe, exprType);
                }
                else if (log.isDebugEnabled())
                {   // not active, ignore this one
                    log.debug("Select item {} is not active.", oe.getValue());
                }
            }
            // complete groups
            if (groupMap!=null)
            {   // Peg all SelectItemGroups
                for (SelectGroup group : groupMap.values())
                    group.peg();
                groupMap.clear();
            }
        }
    }
    
    public void syncOptions(UISelectOne input, TextResolver textResolver, InputInfo ii)
    {
        // get the options
        Options options = ii.getOptions();
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empire-db-jsf2/src/main/java/org/apache/empire/jsf2/controls/SelectInputControl.java [51:288]:
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public class SelectInputControl extends InputControl
{
    private static final Logger log                   = LoggerFactory.getLogger(SelectInputControl.class);

    public static final String  COLATTR_ABBR_OPTIONS  = "ABBR_OPTIONS";                                   // Option list for abbreviations

    public static final String  VALUE_EXPRESSION_TYPE = "VALUE_EXPRESSION_TYPE";

    public static final String  FORMAT_SIZE           = "size:";

    public static final String  FORMAT_SIZE_ATTR      = "format:size";
    
    public static final String  NAME                  = "select";

    private final Class<? extends HtmlSelectOneMenu> menuComponentClass;

    private final Class<? extends HtmlSelectOneListbox> listComponentClass;
    
    public SelectInputControl(String name, Class<? extends HtmlSelectOneMenu> menuComponentClass, Class<? extends HtmlSelectOneListbox> listComponentClass)
    {
        super(name);
        this.menuComponentClass = menuComponentClass;
        this.listComponentClass = listComponentClass;
    }

    public SelectInputControl()
    {
        this(SelectInputControl.NAME, HtmlSelectOneMenu.class, HtmlSelectOneListbox.class);
    }

    /* for SelectTag (when no column is available) */ 
    public UISelectOne createSelectComponent(UIComponent parent, FacesContext context, Object formatSize)
    {
        Class<? extends UISelectOne> selectOneClass;
        int listSize = ObjectUtils.getInteger(formatSize, 1);
        if (listSize==-1 || listSize>1)
            selectOneClass = this.listComponentClass;
        else
            selectOneClass = this.menuComponentClass;
        // create now
        UISelectOne selectOne = InputControlManager.createComponent(context, selectOneClass);
        // set list size
        if ((selectOne instanceof HtmlSelectOneListbox) && listSize>1)
            ((HtmlSelectOneListbox)selectOne).setSize(listSize);
        // done
        return selectOne;
    }

    @Override
    protected void createInputComponents(UIComponent parent, InputInfo ii, FacesContext context, List<UIComponent> compList)
    {
        // check params
        if (!compList.isEmpty())
            throw new InvalidArgumentException("compList", compList);
        // create list or menu
        Object formatSize = getFormatOption(ii, FORMAT_SIZE, FORMAT_SIZE_ATTR);
        UISelectOne input = createSelectComponent(parent, context, formatSize);
        // set ValueExpressionType
        Object value = ii.getValue(false);
        if (value instanceof ValueExpression)
        {   // Set target class
            Class<?> exprType = ((ValueExpression)value).getType(context.getELContext());
            input.getAttributes().put(SelectInputControl.VALUE_EXPRESSION_TYPE, exprType);
        }
        // copy Attributes
        copyAttributes(parent, ii, input);
        // disabled
        boolean disabled = setDisabled(input, ii);
        // Options
        initOptions(input, ii.getTextResolver(), ii);
        // add
        compList.add(input);
        // style
        addRemoveDisabledStyle(input, disabled);
        addRemoveInvalidStyle(input, ii.hasError());
        // Set Value
        setInputValue(input, ii);
    }
    
    @Override
    protected void updateInputState(List<UIComponent> compList, InputInfo ii, FacesContext context, PhaseId phaseId)
    {
        UIComponent comp = compList.get(0);
        if (!(comp instanceof UISelectOne))
        {
            throw new UnexpectedReturnValueException(comp.getClass().getName(), "parent.getChildren()");
        }
        UISelectOne input = (UISelectOne)comp;
        // required
        addRemoveStyle(input, TagStyleClass.INPUT_REQ, ii.isRequired());
        // disabled
        boolean disabled = setDisabled(input, ii);
        // check phase
        if (phaseId!=PhaseId.APPLY_REQUEST_VALUES)
        {   // Options (sync)
            syncOptions(input, ii.getTextResolver(), ii);
        }
        if (phaseId==PhaseId.RENDER_RESPONSE)
        {   // style
            addRemoveDisabledStyle(input, disabled);
            addRemoveInvalidStyle(input, ii.hasError());
            // set value
            setInputValue(input, ii);
        }
    }
    
    protected boolean setDisabled(UISelectOne input, InputInfo ii)
    {
        boolean disabled = ii.isDisabled();
        if (input instanceof HtmlSelectOneMenu)
            ((HtmlSelectOneMenu)input).setDisabled(disabled);
        else if (input instanceof HtmlSelectOneListbox)
            ((HtmlSelectOneListbox)input).setDisabled(disabled);
        else
            log.warn("Unable to set disabled attribute!");
        return disabled;
    }

    protected boolean isEmptyEntryRequired(UISelectOne input, Options options, InputInfo ii, Object currentValue)
    {
        if (input instanceof HtmlSelectOneListbox)
            return false; // not for listbox
        if (options!=null && options.containsNull())
        {   // already has an empty option
            return false;
        }
        // check required
        if (ii.isRequired()==false)
        {   // not required!   
            /* 
             * Old code: Why check this?
             * 
            Column column = ii.getColumn(); 
            if (column==null || !(ii.isDisabled() && !column.isRequired()))
            {   // add empty entry
                return true;
            }
            */
            return true;
        }
        // Check Value
        return ObjectUtils.isEmpty(currentValue);
    }

    /**
     * SelectGroup
     * helper class for building SelectItemGroups
     */
    protected static class SelectGroup
    {
        private final SelectItemGroup  selectItemGroup;
        private final List<SelectItem> groupItemList;
        public SelectGroup(SelectItemGroup  selectItemGroup)
        {
            this.selectItemGroup = selectItemGroup;
            this.groupItemList = new ArrayList<SelectItem>();
        }
        public List<SelectItem> getItemList()
        {
            return groupItemList;
        }
        public void peg()
        {
            SelectItem[] items = ObjectUtils.listToArray(SelectItem[].class, groupItemList);
            selectItemGroup.setSelectItems(items);
        }
    }
    
    public void initOptions(UISelectOne input, TextResolver textResolver, InputInfo ii)
    {
        // get the options
        Options options = ii.getOptions();
        if (options==null)
        {   // invalid options
            if (ii.getColumn()!=null)
                log.warn("No options given for column {}", ii.getColumn().getName());
            else
                log.warn("No options given for select tag {}", input.getClientId());
            options = new Options();
        }
        // list and type
        Class<?> exprType = (Class<?>)input.getAttributes().get(SelectInputControl.VALUE_EXPRESSION_TYPE);
        List<SelectItem> selectItemList = getSelectItemList(input);
        // current 
        Object currentValue = ii.getValue(true);
        if (isEmptyEntryRequired(input, options, ii, currentValue))
        {   // Empty entry
            addSelectItem(selectItemList, textResolver, new OptionEntry(null, getNullText(ii)), exprType);
        }
        if (options != null && options.size() > 0)
        {   // Option grouping?
            OptionGroupResolver optionGroupResolver = options.getOptionGroupResolver();
            Map<Object, SelectGroup> groupMap = (optionGroupResolver!=null ? new HashMap<Object, SelectGroup>() : null);
            // Add options
            for (OptionEntry oe : options)
            {   // Option entries
                if (oe.isActive() || ObjectUtils.compareEqual(oe.getValue(), currentValue))
                {   // add active or current item
                    List<SelectItem> list = selectItemList; 
                    if (optionGroupResolver!=null)
                    {   // get the option group
                        Object group = optionGroupResolver.getGroup(oe);
                        if (group!=null)
                        {   // We have a group
                            SelectGroup selectGroup = groupMap.get(group);
                            if (selectGroup==null)
                            {   // Create a new group
                                String groupLabel = (group!=null ? textResolver.resolveText(group.toString()) : null); 
                                SelectItemGroup selectItemGroup = new SelectItemGroup(groupLabel);
                                selectItemList.add(selectItemGroup);
                                // add group to map
                                selectGroup = new SelectGroup(selectItemGroup);
                                groupMap.put(group, selectGroup);
                            }
                            list = selectGroup.getItemList();
                        }
                    }
                    addSelectItem(list, textResolver, oe, exprType);
                }
                else if (log.isDebugEnabled())
                {   // not active, ignore this one
                    log.debug("Select item {} is not active.", oe.getValue());
                }
            }
            // complete groups
            if (groupMap!=null)
            {   // Peg all SelectItemGroups
                for (SelectGroup group : groupMap.values())
                    group.peg();
                groupMap.clear();
            }
        }
    }
    
    public void syncOptions(UISelectOne input, TextResolver textResolver, InputInfo ii)
    {
        // get the options
        Options options = ii.getOptions();
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