org.itsnat.core.domutil

Interface ElementListRenderer

public interface ElementListRenderer

Used by ElementList objects to render the values associated to child elements.

Author:

Jose Maria Arranz Santamaria

See Also:

ElementList.setElementListRenderer(ElementListRenderer), ElementGroupManager.createDefaultElementListRenderer()

Method Summary

Methods

Modifier and Type	Method and Description
void	renderList(ElementList list, int index, Object value, Element contentElem, boolean isNew) Renders as markup the specified value into the specified child element of the list.
void	unrenderList(ElementList list, int index, Element contentElem) Unrenders the markup of the specified list item.

Method Detail

renderList

void renderList(ElementList list,
              int index,
              Object value,
              Element contentElem,
              boolean isNew)

Renders as markup the specified value into the specified child element of the list.

The content element must be used to render below the value, usually as a text node.

Default implementation renders the specified value inside the first text node found below the specified content element.

Parameters:

list - the target list.

index - the child element position.

value - the value to render.

contentElem - the content element. This element is a hint, if provided, should be obtained by calling ElementListStructure.getContentElement(ElementList,int,Element).

isNew - true if this is the first time the markup is rendered. Default implementation ignores this parameter.

unrenderList

void unrenderList(ElementList list,
                int index,
                Element contentElem)

Unrenders the markup of the specified list item. This method is called before the markup is removed.

Default implementation does nothing.

Parameters:

list - the target list.

index - the child element position.

contentElem - the content element. This element is a hint, if provided, should be obtained by calling ElementListStructure.getContentElement(ElementList,int,Element).