Examples of javax.faces.model.SelectItemGroup

javax.faces.model.SelectItemGroup

SelectItemGroup is a subclass of {@link SelectItem} thatidentifies a set of options that will be made available as a subordinate "submenu" or "options list", depending upon the requirements of the {@link UISelectMany} or {@link UISelectOne} renderer that is actually used.In general, the value property of this instance will be ignored, and the label property of this instance will be used to label the submenu.

Although it is feasible to incorporate {@link SelectItemGroup} instancesin he selectItems property of this instance (thereby creating a data structure suitable for cascading submenus), some renderers may place restrictions on the level of nesting they support. For example, HTML based renderers that create an <select> element will typically render this instance as an <optgroup> element, but the HTML 4.01 Specification disallows nested option groups.

        SelectItem item2 = new SelectItem("Blue", "Blue", null);
        
        SelectItem item3 = new SelectItem("Green", "Green", null);
        SelectItem item4 = new SelectItem("Yellow", "Yellow", null);
        SelectItem[] itemsArray = {item3, item4};
        SelectItemGroup itemGroup = new SelectItemGroup("group", null, true,
                itemsArray);
        SelectItem[] selectItems = {item1, item2, itemGroup};
        Object selectedValues[] = null;
        uiSelectItems.setValue(selectItems);
        selectMany.getChildren().add(uiSelectItems);

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            writer.startElement(HTML.TD_ELEM, selectOne);


            writer.startElement(HTML.TABLE_ELEM, selectOne);
            writer.writeAttribute(HTML.BORDER_ATTR, "0", null);


            SelectItemGroup group = (SelectItemGroup) selectItem;
            SelectItem[] selectItems = group.getSelectItems();


            for (int i=0; i<selectItems.length; i++) {
                renderGroupOrItemRadio(facesContext, selectOne, selectItems[i], currentValue, converter,
                        pageDirectionLayout, new Integer(i));
            }

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    }




    // Create an options list with nested groups
    protected List setupOptions() {
        SelectItemGroup group, subgroup;
        subgroup = new SelectItemGroup("Group C");
        subgroup.setSelectItems(new SelectItem[]
            { new SelectItem("C1"),
              new SelectItem("C2"),
              new SelectItem("C3") });
        List options = new ArrayList();
        options.add(new SelectItem("A1"));
        group = new SelectItemGroup("Group B");
        group.setSelectItems(new SelectItem[]
            { new SelectItem("B1"),
              subgroup,
              new SelectItem("B2"),
              new SelectItem("B3") });
        options.add(group);

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        return (options);
    }


    // Create an options list with nested groups
    protected Set setupOptionsSet() {
        SelectItemGroup group, subgroup;
        subgroup = new SelectItemGroup("Group C");
        subgroup.setSelectItems(new SelectItem[]
            { new SelectItem("C1"),
              new SelectItem("C2"),
              new SelectItem("C3") });
        Set options = new HashSet();
        options.add(new SelectItem("A1"));
        group = new SelectItemGroup("Group B");
        group.setSelectItems(new SelectItem[]
            { new SelectItem("B1"),
              subgroup,
              new SelectItem("B2"),
              new SelectItem("B3") });
        options.add(group);

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    }




    // Create an options list with nested groups
    protected List setupOptions() {
        SelectItemGroup group, subgroup;
        subgroup = new SelectItemGroup("Group C");
        subgroup.setSelectItems(new SelectItem[]
            { new SelectItem("C1"),
              new SelectItem("C2"),
              new SelectItem("C3") });
        List options = new ArrayList();
        options.add(new SelectItem("A1"));
        group = new SelectItemGroup("Group B");
        group.setSelectItems(new SelectItem[]
            { new SelectItem("B1"),
              subgroup,
              new SelectItem("B2"),
              new SelectItem("B3") });
        options.add(group);

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        else if (value instanceof Collection) {
            Collection collection = (Collection) value;
            for (Iterator iter = collection.iterator(); iter.hasNext();) {
                Object currentItem = (Object) iter.next();
                if (currentItem instanceof SelectItemGroup) {
                    SelectItemGroup itemGroup = (SelectItemGroup) currentItem;        
                    SelectItem[] itemsFromGroup = itemGroup.getSelectItems();
                    for (int i = 0; i < itemsFromGroup.length; i++) {
                        items.add(itemsFromGroup[i]);
                    }
                }
                else {

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        while (selectItemsIter.hasNext())
        {
            SelectItem item = selectItemsIter.next();
            if (item instanceof SelectItemGroup)
            {
                SelectItemGroup itemgroup = (SelectItemGroup) item;
                SelectItem[] selectItems = itemgroup.getSelectItems();
                if (selectItems != null
                                && selectItems.length > 0
                                && matchValue(context, value, Arrays.asList(
                                                selectItems).iterator(), converter))
                {

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            writer.startElement(HTML.TD_ELEM, selectMany);


            writer.startElement(HTML.TABLE_ELEM, selectMany);
            writer.writeAttribute(HTML.BORDER_ATTR, "0", null);


            SelectItemGroup group = (SelectItemGroup) selectItem;
            SelectItem[] selectItems = group.getSelectItems();


            for (int i = 0; i < selectItems.length; i++)
            {
                renderGroupOrItemCheckbox(facesContext, selectMany, selectItems[i], useSubmittedValues, lookupSet, converter, pageDirectionLayout, new Integer(i));
            }

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            writer.startElement(HTML.TD_ELEM, selectOne);


            writer.startElement(HTML.TABLE_ELEM, selectOne);
            writer.writeAttribute(HTML.BORDER_ATTR, "0", null);


            SelectItemGroup group = (SelectItemGroup) selectItem;
            SelectItem[] selectItems = group.getSelectItems();


            for (int i=0; i<selectItems.length; i++) {
                renderGroupOrItemRadio(facesContext, selectOne, selectItems[i], currentValue, converter,
                        pageDirectionLayout, new Integer(i));
            }

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        while (selectItemsIter.hasNext())
        {
            SelectItem item = selectItemsIter.next();
            if (item instanceof SelectItemGroup)
            {
                SelectItemGroup itemgroup = (SelectItemGroup) item;
                SelectItem[] selectItems = itemgroup.getSelectItems();
                if (selectItems != null
                        && selectItems.length > 0
                        && matchValue(context, uiComponent, value, Arrays
                                .asList(selectItems).iterator(), converter))
                {

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Related Classes of javax.faces.model.SelectItemGroup

com.din.din.webapp.beans.PlannerBean

com.sun.faces.renderkit.html_basic.TestRenderers_1

com.sun.faces.renderkit.html_basic.TestRenderers_3

Items

org.apache.myfaces.custom.selectitems.AbstractUISelectItems

org.apache.myfaces.custom.selectitems.UISelectItems

org.apache.myfaces.renderkit.html.ext.HtmlCheckboxRenderer

org.apache.myfaces.renderkit.html.HtmlCheckboxRendererBase

org.apache.myfaces.renderkit.html.HtmlRadioRendererBase

org.apache.myfaces.shared.renderkit.html.HtmlCheckboxRendererBase

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