com.liferay.item.selector

Interface ItemSelectorView<T extends ItemSelectorCriterion>

public interface ItemSelectorView<T extends ItemSelectorCriterion>

Provides an interface to render an item selector view for a particular item selector criterion.

If one item selector view can be displayed for multiple different criteria, it needs as many implementations of this interface as criteria.

Method Summary

Modifier and Type	Method and Description
java.lang.Class<T>	getItemSelectorCriterionClass() Returns the item selector criterion associated to this item selector view.
java.util.List<ItemSelectorReturnType>	getSupportedItemSelectorReturnTypes() Returns the item selector return types that this view supports.
java.lang.String	getTitle(java.util.Locale locale) Returns the localized title of the tab to display in the Item Selector dialog.
boolean	isShowSearch() Returns whether the item selector view should show the search field.
boolean	isVisible(com.liferay.portal.kernel.theme.ThemeDisplay themeDisplay) Returns whether the item selector view is visible.
void	renderHTML(javax.servlet.ServletRequest servletRequest, javax.servlet.ServletResponse servletResponse, T itemSelectorCriterion, javax.portlet.PortletURL portletURL, java.lang.String itemSelectedEventName, boolean search) Renders the HTML code for the item selector view.

Method Detail

getItemSelectorCriterionClass

java.lang.Class<T> getItemSelectorCriterionClass()

Returns the item selector criterion associated to this item selector view.

Returns:

the item selector criterion associated to this item selector view

getSupportedItemSelectorReturnTypes

java.util.List<ItemSelectorReturnType> getSupportedItemSelectorReturnTypes()

Returns the item selector return types that this view supports.

Returns:

the ItemSelectorReturnTypes that this view supports

getTitle

java.lang.String getTitle(java.util.Locale locale)

Returns the localized title of the tab to display in the Item Selector dialog.

Parameters:

locale - the current locale

Returns:

the localized title of the tab

isShowSearch

boolean isShowSearch()

Returns whether the item selector view should show the search field. If the view supports search, this method should return true.

Returns:

true if the item selector view should show the search field

isVisible

boolean isVisible(com.liferay.portal.kernel.theme.ThemeDisplay themeDisplay)

Returns whether the item selector view is visible.

Most of the implementations of this method will return true. However, there are certain cases where the view should not be displayed: the view isn't ready, the view needs some additional third-party configuration, etc.

Parameters:

themeDisplay - the current page ThemeDisplay

Returns:

true if the view is visible

renderHTML

void renderHTML(javax.servlet.ServletRequest servletRequest,
                javax.servlet.ServletResponse servletResponse,
                T itemSelectorCriterion,
                javax.portlet.PortletURL portletURL,
                java.lang.String itemSelectedEventName,
                boolean search)
         throws java.io.IOException,
                javax.servlet.ServletException

Renders the HTML code for the item selector view.

Parameters:

servletRequest - the current ServletRequest

servletResponse - the current ServletResponse

itemSelectorCriterion - the item selector criterion that was used to render this view

portletURL - the portlet render URL to the item selector. This URL should be used to create URLs in the view.

itemSelectedEventName - the event name that the caller will be listening for. When an element is selected, the view should fire a JavaScript event with this name.

search - set to true when the view should render search results because the user performed a search.

Throws:

java.io.IOException

javax.servlet.ServletException