Java Code Examples for org.apache.wicket.markup.html.form.FormComponent#add()

@Override
public void addFeatureUpdateBehavior()
{
    // Need to use a AjaxFormChoiceComponentUpdatingBehavior here since we use a RadioGroup
    // here.
    FormComponent focusComponent = getFocusComponent();
    focusComponent.add(new AjaxFormChoiceComponentUpdatingBehavior()
    {
        private static final long serialVersionUID = -5058365578109385064L;

        @Override
        protected void updateAjaxAttributes(AjaxRequestAttributes aAttributes)
        {
            super.updateAjaxAttributes(aAttributes);
            addDelay(aAttributes, 300);
        }

        @Override
        protected void onUpdate(AjaxRequestTarget aTarget)
        {
            send(focusComponent, BUBBLE,
                    new FeatureEditorValueChangedEvent(RatingFeatureEditor.this, aTarget));
        }
    });
}
 

public void addFeatureUpdateBehavior()
{
    FormComponent focusComponent = getFocusComponent();
    focusComponent.add(new AjaxFormComponentUpdatingBehavior("change")
    {
        private static final long serialVersionUID = -8944946839865527412L;
        
        @Override
        protected void updateAjaxAttributes(AjaxRequestAttributes aAttributes)
        {
            super.updateAjaxAttributes(aAttributes);
            addDelay(aAttributes, 250);
        }
        
        @Override
        protected void onUpdate(AjaxRequestTarget aTarget)
        {
            send(focusComponent, BUBBLE,
                    new FeatureEditorValueChangedEvent(FeatureEditor.this, aTarget));
        }
    });
}
 

/**
 * Sets attribute size (only for TextFields) and style="length: width"; The width value is size + 0.5 em and for drop down choices size +
 * 2em;
 * @param component
 * @param size
 * @param important If true then "!important" is appended to the width style (true is default).
 * @return This for chaining.
 */
public static FormComponent< ? > setSize(final FormComponent< ? > component, final int size, final boolean important)
{
  if (component instanceof TextField) {
    component.add(AttributeModifier.replace("size", String.valueOf(size)));
  }
  final StringBuffer buf = new StringBuffer(20);
  buf.append("width: ");
  if (component instanceof DropDownChoice) {
    buf.append(size + 2).append("em");
  } else {
    buf.append(size).append(".5em");
  }
  if (important == true) {
    buf.append(" !important;");
  }
  buf.append(";");
  component.add(AttributeModifier.append("style", buf.toString()));
  return component;
}
 

/**
 * Changes the CSS class of the linked {@link FormComponent} via AJAX.
 *
 * @param ajaxRequestTarget of type AjaxRequestTarget
 * @param valid Was the validation succesful?
 * @param cssClass The CSS class that must be set on the linked {@link FormComponent}
 */
private void changeCssClass(AjaxRequestTarget ajaxRequestTarget, boolean valid, String cssClass) {
    FormComponent formComponent = getFormComponent();

    if(formComponent.isValid() == valid){
        formComponent.add(new AttributeModifier("class", true, new Model("formInputField " + cssClass)));
        ajaxRequestTarget.add(formComponent);
    }

    if(updateComponent!=null){
        ajaxRequestTarget.add(updateComponent);
    }
}
 

/**
 * Changes the CSS class of the linked {@link FormComponent} via AJAX.
 *
 * @param ajaxRequestTarget of type AjaxRequestTarget
 * @param valid Was the validation succesful?
 * @param cssClass The CSS class that must be set on the linked {@link FormComponent}
 */
private void changeCssClass(AjaxRequestTarget ajaxRequestTarget, boolean valid, String cssClass) {
    FormComponent formComponent = getFormComponent();

    if(formComponent.isValid() == valid){
        formComponent.add(new AttributeModifier("class", true, new Model("formInputField " + cssClass)));
        ajaxRequestTarget.add(formComponent);
    }

    if(updateComponent!=null){
        ajaxRequestTarget.add(updateComponent);
    }
}
 

/**
 * Sets readonly="readonly" and "readOnly" as class.
 * @param component
 * @return This for chaining.
 */
public static FormComponent< ? > setReadonly(final FormComponent< ? > component)
{
  component.add(AttributeModifier.append("class", "readonly"));
  component.add(AttributeModifier.replace("readonly", "readonly"));
  return component;
}
 

/**
 * @see org.apache.wicket.extensions.ajax.markup.html.AjaxEditableLabel#newEditor(org.apache.wicket.MarkupContainer, java.lang.String,
 *      org.apache.wicket.model.IModel)
 */
@Override
protected FormComponent<String> newEditor(final MarkupContainer parent, final String componentId, final IModel<String> model)
{
  final FormComponent<String> editor = super.newEditor(parent, componentId, model);
  editor.add(AttributeModifier.append("onkeypress", "if ( event.which == 13 ) { return false; }"));
  return editor;
}
 

public void component(Component object, IVisit<Void> visit) {
	if (!visited.contains(object) && (object instanceof FormComponent) && !(object instanceof Button)) {
		final FormComponent<?> fc = (FormComponent<?>) object;
		visited.add(fc);
		if (!found && fc.isEnabled() && fc.isVisible()
				&& (fc instanceof DropDownChoice || fc instanceof AbstractTextComponent)) {
			found = true;
			fc.add(new DefaultFocusBehavior());
		}
	}
}
 

/**
 * Sets attribute size (only for TextFields) and style="width: x%";
 * @param component
 * @param size
 * @return This for chaining.
 */
public static FormComponent< ? > setPercentSize(final FormComponent< ? > component, final int size)
{
  component.add(AttributeModifier.append("style", "width: " + size + "%;"));
  return component;
}
 

/**
 * Sets attribute style="height: <height>ex;"
 * @param component
 * @param size
 * @return This for chaining.
 */
public static FormComponent< ? > setHeight(final FormComponent< ? > component, final int height)
{
  component.add(AttributeModifier.append("style", "height: " + height + "ex;"));
  return component;
}
 

/**
 * Adds class="focus" to the given component. It's evaluated by the adminica_ui.js. FocusOnLoadBehaviour doesn't work because the focus is
 * set to early (before the components are visible).
 * @param component
 * @return This for chaining.
 */
public static FormComponent< ? > setFocus(final FormComponent< ? > component)
{
  component.add(setFocus());
  return component;
}