Examples with IMarkupFragment org.apache.wicket.markup.IMarkupFragment used on opensource projects

Example 21 with IMarkupFragment

use of org.apache.wicket.markup.IMarkupFragment in project wicket by apache.

the class AbstractMarkupSourcingStrategy method searchMarkupInTransparentResolvers.

/**
 * If the child has not been directly added to the container, but via a
 * TransparentWebMarkupContainer, then we are in trouble. In general Wicket iterates over the
 * markup elements and searches for associated components, not the other way around. Because of
 * TransparentWebMarkupContainer (or more generally resolvers), there is no "synchronous" search
 * possible.
 *
 * @param container
 *            the parent container.
 * @param
 * 		  containerMarkup
 * 			  the markup of the parent container.
 * @param child
 *            The component to find the markup for.
 * @return the markup fragment for the child, or {@code null}.
 */
protected IMarkupFragment searchMarkupInTransparentResolvers(MarkupContainer container, IMarkupFragment containerMarkup, Component child) {
    IMarkupFragment childMarkupFound = null;
    Iterator<Component> childrenIterator = container.iterator();
    final List<MarkupContainer> componentResolvers = new ArrayList<>();
    // collect all "transparent" (i.e. component resolvers) children
    container.visitChildren(IComponentResolver.class, new IVisitor<MarkupContainer, Void>() {

        @Override
        public void component(MarkupContainer child, IVisit<Void> visit) {
            componentResolvers.add(child);
        }
    });
    while (childrenIterator.hasNext() && childMarkupFound == null) {
        Component sibling = childrenIterator.next();
        if (sibling == child || !sibling.isVisible() || !(sibling instanceof MarkupContainer)) {
            continue;
        }
        IMarkupFragment siblingMarkup = containerMarkup.find(sibling.getId());
        if (siblingMarkup != null) {
            if (sibling instanceof IComponentResolver) {
                childMarkupFound = searchInNestedTransparentResolvers(containerMarkup, child, componentResolvers);
            } else {
                childMarkupFound = searchMarkupInTransparentResolvers((MarkupContainer) sibling, siblingMarkup, child);
            }
        }
    }
    return childMarkupFound;
}

Example 22 with IMarkupFragment

use of org.apache.wicket.markup.IMarkupFragment in project wicket by apache.

the class AbstractMarkupSourcingStrategy method searchInNestedTransparentResolvers.

/**
 * Search for the markup of a child that might be nested inside
 * transparent siblings. For example:
 *
 * <pre>
 * &lt;div wicket:id=&quot;outerTransparent&quot;&gt;
 *	&lt;div wicket:id=&quot;innerTransparent&quot;&gt;
 *	 &lt;span wicket:id=&quot;childComponent&quot;&gt;&lt;/span&gt;
 *	&lt;/div&gt;
 * &lt;/div&gt;
 * </pre>
 *
 * @param
 * 		  containerMarkup
 * 			  the markup of the parent container.
 * @param child
 *            The component to find the markup for.
 * @param componentResolvers
 * 			  the transparent siblings
 *
 * @return the markup fragment for the child, or {@code null}.
 */
protected IMarkupFragment searchInNestedTransparentResolvers(IMarkupFragment containerMarkup, Component child, List<MarkupContainer> componentResolvers) {
    IMarkupFragment childMarkupFound = null;
    for (MarkupContainer componentResolver : componentResolvers) {
        IMarkupFragment resolverMarkup = containerMarkup.find(componentResolver.getId());
        IMarkupFragment childMarkup = resolverMarkup != null ? resolverMarkup.find(child.getId()) : null;
        if (childMarkup != null) {
            IComponentResolver resolverContainer = (IComponentResolver) componentResolver;
            MarkupStream stream = new MarkupStream(childMarkup);
            ComponentTag tag = stream.getTag();
            Component resolvedComponent = componentResolver.get(tag.getId());
            if (resolvedComponent == null) {
                resolvedComponent = resolverContainer.resolve(componentResolver, stream, tag);
            }
            if (child == resolvedComponent) {
                childMarkupFound = childMarkup;
            }
        } else if (resolverMarkup != null) {
            List<MarkupContainer> otherResolvers = new ArrayList<>(componentResolvers);
            otherResolvers.remove(componentResolver);
            childMarkupFound = searchInNestedTransparentResolvers(resolverMarkup, child, otherResolvers);
        }
        if (childMarkupFound != null) {
            break;
        }
    }
    return childMarkupFound;
}

Example 23 with IMarkupFragment

use of org.apache.wicket.markup.IMarkupFragment in project wicket by apache.

the class AssociatedMarkupSourcingStrategy method getMarkup.

/**
 * Search for the child's markup in the associated markup file.
 *
 * @param parent
 *            The container expected to contain the markup for child
 * @param child
 *            The child component to find the markup for
 * @return The markup associated with the child
 */
@Override
public IMarkupFragment getMarkup(final MarkupContainer parent, final Component child) {
    Args.notNull(tagName, "tagName");
    IMarkupFragment associatedMarkup = parent.getAssociatedMarkup();
    if (associatedMarkup == null) {
        throw new MarkupNotFoundException("Failed to find markup file associated. " + Classes.simpleName(parent.getClass()) + ": " + parent.toString());
    }
    // Find <wicket:panel>
    IMarkupFragment markup = MarkupUtil.findStartTag(associatedMarkup, tagName);
    if (markup == null) {
        throw new MarkupNotFoundException("Expected to find <wicket:" + tagName + "> in associated markup file. Markup: " + associatedMarkup.toString());
    }
    // If child == null, than return the markup fragment starting with <wicket:panel>
    if (child == null) {
        // clean any markup previously loaded for children
        cleanChildrenMarkup(parent);
        return markup;
    }
    // Find the markup for the child component
    associatedMarkup = markup.find(child.getId());
    if (associatedMarkup != null) {
        return associatedMarkup;
    }
    associatedMarkup = searchMarkupInTransparentResolvers(parent, markup, child);
    if (associatedMarkup != null) {
        return associatedMarkup;
    }
    return findMarkupInAssociatedFileHeader(parent, child);
}

Example 24 with IMarkupFragment

use of org.apache.wicket.markup.IMarkupFragment in project wicket by apache.

the class DefaultMarkupSourcingStrategy method getMarkup.

/**
 * Get the markup for the child component, which is assumed to be a child of 'container'.
 */
@Override
public IMarkupFragment getMarkup(final MarkupContainer container, final Component child) {
    // If the sourcing strategy did not provide one, than ask the component.
    // Get the markup for the container
    IMarkupFragment containerMarkup = container.getMarkup();
    if (containerMarkup == null) {
        return null;
    }
    if (child == null) {
        return containerMarkup;
    }
    // Find the child's markup
    IMarkupFragment childMarkup = containerMarkup.find(child.getId());
    if (childMarkup != null) {
        return childMarkup;
    }
    return searchMarkupInTransparentResolvers(container, containerMarkup, child);
}

Example 25 with IMarkupFragment

use of org.apache.wicket.markup.IMarkupFragment in project wicket by apache.

the class FragmentMarkupSourcingStrategy method getMarkup.

/**
 * Search for the child's markup in the fragment markup.
 */
@Override
public IMarkupFragment getMarkup(final MarkupContainer container, final Component child) {
    // Get the markup to search for the fragment markup
    IMarkupFragment markup = chooseMarkup(container);
    if (markup == null) {
        throw new MarkupException("The fragments markup provider has no associated markup. " + "No markup to search for fragment markup with id: " + markupId);
    }
    // Search for the fragment markup
    IMarkupFragment childMarkup = TagUtils.findTagMarkup(markup, markupId, FRAGMENT, 1);
    if (childMarkup == null) {
        // There is one more option if the markup provider has associated markup
        MarkupContainer markupProvider = getMarkupProvider(container);
        Markup associatedMarkup = markupProvider.getAssociatedMarkup();
        if (associatedMarkup != null) {
            markup = associatedMarkup;
            if (markup != null) {
                childMarkup = markup.find(markupId);
            }
        }
    }
    if (childMarkup == null) {
        throw new MarkupNotFoundException("No Markup found for Fragment " + markupId + " in providing markup container " + getMarkupProvider(container));
    } else {
        MarkupElement fragmentTag = childMarkup.get(0);
        if ((fragmentTag instanceof WicketTag && ((WicketTag) fragmentTag).isFragmentTag()) == false) {
            throw new MarkupNotFoundException("Markup found for Fragment '" + markupId + "' in providing markup container " + getMarkupProvider(container) + " is not a <wicket:fragment> tag");
        }
    }
    if (child == null) {
        return childMarkup;
    }
    // search for the child inside the fragment markup
    return childMarkup.find(child.getId());
}