Examples of IChoiceRenderer

org.apache.wicket.markup.html.form.IChoiceRenderer
Renders one choice. Separates the 'id' values used for internal representation from 'display values' which are the values shown to the user of components that use this renderer. @author jcompagner @param < T> The model object type

Examples of org.apache.wicket.markup.html.form.IChoiceRenderer

  /**
   * @return iterator over unselected choices
   */
  public Iterator getUnselectedChoices()
  {
    IChoiceRenderer renderer = getPalette().getChoiceRenderer();
    Collection choices = getPalette().getChoices();


    if (choices.size() - ids.length == 0)
    {
      return Collections.EMPTY_LIST.iterator();
    }


    List unselected = new ArrayList(Math.max(1, choices.size() - ids.length));
    Iterator it = choices.iterator();
    while (it.hasNext())
    {
      final Object choice = it.next();
      final String choiceId = renderer.getIdValue(choice, 0);
      boolean selected = false;
      for (int i = 0; i < ids.length; i++)
      {
        if (ids[i].equals(choiceId))
        {

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Examples of org.apache.wicket.markup.html.form.IChoiceRenderer

        List choices = (List)getChoicesMethod.invoke(formComponent, (Object[])null);


        Method getChoiceRendererMethod = formComponent.getClass().getMethod(
            "getChoiceRenderer", (Class[])null);
        getChoiceRendererMethod.setAccessible(true);
        IChoiceRenderer choiceRenderer = (IChoiceRenderer)getChoiceRendererMethod.invoke(
            formComponent, (Object[])null);


        return choiceRenderer.getIdValue(choices.get(index), index);
      }
      catch (SecurityException e)
      {
        throw new WicketRuntimeException("unexpect select failure", e);
      }

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Examples of org.apache.wicket.markup.html.form.IChoiceRenderer

    // more control over it. You achieve this by providing an instance of
    // IChoiceRenderer,
    // like the example below. Don't forget to check out the default
    // implementation of
    // IChoiceRenderer, ChoiceRenderer.
    form.add(new DropDownChoice("integer", INTEGERS, new IChoiceRenderer()
    {
      /**
       * Gets the display value that is visible to the end user.
       * 
       * @see org.apache.wicket.markup.html.form.IChoiceRenderer#getDisplayValue(java.lang.Object)

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Examples of org.apache.wicket.markup.html.form.IChoiceRenderer

   * Constructor
   */
  public PalettePage()
  {
    List persons = ComponentReferenceApplication.getPersons();
    IChoiceRenderer renderer = new ChoiceRenderer("fullName", "fullName");


    final Palette palette = new Palette("palette", new Model(new ArrayList()), new Model(
        (Serializable)persons), renderer, 10, true);

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Examples of org.apache.wicket.markup.html.form.IChoiceRenderer


  protected void onComponentTagBody(MarkupStream markupStream, ComponentTag openTag)
  {
    final AppendingStringBuffer buffer = new AppendingStringBuffer(128);
    Iterator options = getOptionsIterator();
    IChoiceRenderer renderer = getPalette().getChoiceRenderer();


    while (options.hasNext())
    {
      final Object choice = options.next();
      String id = renderer.getIdValue(choice, 0);
      Object displayValue = renderer.getDisplayValue(choice);
      Class displayClass = displayValue == null ? null : displayValue.getClass();
      String value = getConverter(displayClass).convertToString(displayValue, getLocale());
      value = getLocalizer().getString(id + "." + value, this, value);


      buffer.append("\n<option value=\"").append(id).append("\"");

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Examples of org.apache.wicket.markup.html.form.IChoiceRenderer

    // more control over it. You achieve this by providing an instance of
    // IChoiceRenderer,
    // like the example below. Don't forget to check out the default
    // implementation of
    // IChoiceRenderer, ChoiceRenderer.
    form.add(new DropDownChoice("integer", INTEGERS, new IChoiceRenderer()
    {
      /**
       * Gets the display value that is visible to the end user.
       * 
       * @see org.apache.wicket.markup.html.form.IChoiceRenderer#getDisplayValue(java.lang.Object)

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Examples of org.apache.wicket.markup.html.form.IChoiceRenderer

   * Synchronize ids collection from the palette's model
   */
  private void initIds()
  {
    // construct the model string based on selection collection
    IChoiceRenderer renderer = getPalette().getChoiceRenderer();
    StringBuffer modelStringBuffer = new StringBuffer();
    Iterator selection = getPalette().getModelCollection().iterator();


    int i = 0;
    while (selection.hasNext())
    {
      modelStringBuffer.append(renderer.getIdValue(selection.next(), i++));
      if (selection.hasNext())
      {
        modelStringBuffer.append(",");
      }
    }

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Examples of org.apache.wicket.markup.html.form.IChoiceRenderer

  /**
   * @return iterator over selected choices
   */
  public Iterator getSelectedChoices()
  {
    IChoiceRenderer renderer = getPalette().getChoiceRenderer();


    if (ids.length == 0)
    {
      return Collections.EMPTY_LIST.iterator();
    }


    List selected = new ArrayList(ids.length);
    for (int i = 0; i < ids.length; i++)
    {
      Iterator it = getPalette().getChoices().iterator();
      while (it.hasNext())
      {
        final Object choice = it.next();
        if (renderer.getIdValue(choice, 0).equals(ids[i]))
        {
          selected.add(choice);
          break;
        }
      }

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Examples of org.apache.wicket.markup.html.form.IChoiceRenderer

  /**
   * @return iterator over unselected choices
   */
  public Iterator getUnselectedChoices()
  {
    IChoiceRenderer renderer = getPalette().getChoiceRenderer();
    Collection choices = getPalette().getChoices();


    if (choices.size() - ids.length == 0)
    {
      return Collections.EMPTY_LIST.iterator();
    }


    List unselected = new ArrayList(Math.max(1, choices.size() - ids.length));
    Iterator it = choices.iterator();
    while (it.hasNext())
    {
      final Object choice = it.next();
      final String choiceId = renderer.getIdValue(choice, 0);
      boolean selected = false;
      for (int i = 0; i < ids.length; i++)
      {
        if (ids[i].equals(choiceId))
        {

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Examples of org.apache.wicket.markup.html.form.IChoiceRenderer

        List choices = (List)getChoicesMethod.invoke(formComponent, (Object[])null);


        Method getChoiceRendererMethod = formComponent.getClass().getMethod(
          "getChoiceRenderer", (Class[])null);
        getChoiceRendererMethod.setAccessible(true);
        IChoiceRenderer choiceRenderer = (IChoiceRenderer)getChoiceRendererMethod.invoke(
          formComponent, (Object[])null);


        return choiceRenderer.getIdValue(choices.get(index), index);
      }
      catch (SecurityException e)
      {
        throw new WicketRuntimeException("unexpect select failure", e);
      }

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