TagUtils (Wicket Core 6.31.0-SNAPSHOT API)

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org.apache.wicket.markup
Class TagUtils

java.lang.Object
  org.apache.wicket.markup.TagUtils

public class TagUtils
extends Object
extends Object

Some utils to handle tags which otherwise would bloat the Tag API.

Author:: Juergen Donnerstag

Field Summary
`static IValueMap`	`ATTRIBUTES_SEPARATORS` A map that keeps the separators which should be used for the different HTML element attributes.

Constructor Summary
`TagUtils()` Constructor

Method Summary
`static void`	`copyAttributes(MarkupContainer component, ComponentTag tag)` Copy attributes from e.g.
`static IMarkupFragment`	`findTagMarkup(IMarkupFragment fragment, String id, String tagName, int streamOffset)` Find the markup fragment of a tag with wicket:id equal to `id` starting at offset `streamOffset`.
`static boolean`	`isBodyTag(ComponentTag tag)`
`static boolean`	`isExtendTag(IMarkupFragment markup, int i)`
`static boolean`	`isHeadTag(MarkupElement elem)`
`static boolean`	`isWicketBodyTag(MarkupElement elem)`
`static boolean`	`isWicketBorderTag(MarkupElement elem)`
`static boolean`	`isWicketHeaderItemsTag(MarkupElement elem)`
`static boolean`	`isWicketHeadTag(MarkupElement elem)`
`static boolean`	`isWicketTag(IMarkupFragment markup, int i)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

ATTRIBUTES_SEPARATORS

public static final IValueMap ATTRIBUTES_SEPARATORS

A map that keeps the separators which should be used for the different HTML element attributes.

Constructor Detail

TagUtils

public TagUtils()

Constructor

Method Detail

isBodyTag

public static final boolean isBodyTag(ComponentTag tag)

Parameters:: tag -
Returns:: True, if tag name equals '<body ...>'

isHeadTag

public static final boolean isHeadTag(MarkupElement elem)

Parameters:: elem -
Returns:: True, if tag name equals '<head ...>'

isWicketTag

public static final boolean isWicketTag(IMarkupFragment markup,
                                        int i)

Parameters:: markup -; i -
Returns:: True if the markup element at index 'i' is a WicketTag

isExtendTag

public static final boolean isExtendTag(IMarkupFragment markup,
                                        int i)

Parameters:: markup -; i -
Returns:: True if the markup element at index 'i' is a <wicket:extend> tag

isWicketHeadTag

public static final boolean isWicketHeadTag(MarkupElement elem)

Parameters:: elem -
Returns:: True if the current markup element is a <wicket:head> tag

isWicketHeaderItemsTag

public static final boolean isWicketHeaderItemsTag(MarkupElement elem)

Parameters:: elem -
Returns:: True if the current markup element is a <wicket:header-items> tag

isWicketBodyTag

public static final boolean isWicketBodyTag(MarkupElement elem)

Parameters:: elem -
Returns:: True if the current markup element is a <wicket:body> tag

isWicketBorderTag

public static final boolean isWicketBorderTag(MarkupElement elem)

Parameters:: elem -
Returns:: True if the current markup element is a <wicket:border> tag

copyAttributes

public static void copyAttributes(MarkupContainer component,
                                  ComponentTag tag)

Copy attributes from e.g. <wicket:panel> (or border) to the "calling" tag.

Parameters:: component - the markup container which attributes will be copied; tag - the component tag where the attributes will be applied
See Also:: WICKET-2874, WICKET-3812

findTagMarkup

public static final IMarkupFragment findTagMarkup(IMarkupFragment fragment,
                                                  String id,
                                                  String tagName,
                                                  int streamOffset)

Find the markup fragment of a tag with wicket:id equal to id starting at offset streamOffset.

Parameters:: id - The wicket:id of the tag being searched for.; tagName - The tag name of the tag being searched for.; streamOffset - The offset in the markup stream from which to start searching.
Returns:: the IMarkupFragment of the component tag if found, null is not found.