Example usage for org.apache.wicket.markup MarkupStream atCloseTag

Introduction

In this page you can find the example usage for org.apache.wicket.markup MarkupStream atCloseTag.

Prototype

public boolean atCloseTag() 

Source Link

Usage

From source file:com.servoy.j2db.server.headlessclient.dataui.SortableCellViewHeaders.java

License:Open Source License

/**
 * Renders the next element of markup in the given markup stream.
 * /* w w w .j  a  va  2s.  co  m*/
 * @param markupStream The markup stream
 */
private final void _renderNext(final MarkupStream markupStream) {
    // Get the current markup element
    final MarkupElement element = markupStream.get();

    // If it a tag like <wicket..> or <span wicket:id="..." >
    if ((element instanceof ComponentTag) && !markupStream.atCloseTag()) {
        // Get element as tag
        final ComponentTag tag = (ComponentTag) element;

        // Get component id
        final String id = tag.getId();

        // Get the component for the id from the given container
        final Component component = get(id);

        // Failed to find it?
        if (component != null && orderedHeaders.get(renderColumnIdx) != null) {
            if (component instanceof SortableCellViewHeader) {
                int currentIdx = markupStream.getCurrentIndex();
                renderHeader(renderColumnIdx, markupStream);
                renderColumnIdx++;
                markupStream.setCurrentIndex(currentIdx);
                markupStream.skipComponent();
            }
        } else {
            // 2rd try: Components like Border and Panel might implement
            // the ComponentResolver interface as well.
            MarkupContainer container = this;
            while (container != null) {
                if (container instanceof SortableCellViewHeaders) {
                    // we should created the corect header, use the id from the orderedHeaders
                    String headerId = orderedHeaderIds.get(renderColumnIdx);
                    renderColumnIdx++;
                    if (resolve(markupStream, tag, headerId)) {
                        return;
                    }

                }

                if (container instanceof IComponentResolver) {
                    if (((IComponentResolver) container).resolve(this, markupStream, tag)) {
                        return;
                    }
                }

                container = container.findParent(MarkupContainer.class);
            }

            // 3rd try: Try application's component resolvers
            final List<IComponentResolver> componentResolvers = getApplication().getPageSettings()
                    .getComponentResolvers();
            final Iterator<IComponentResolver> iterator = componentResolvers.iterator();
            while (iterator.hasNext()) {
                final IComponentResolver resolver = iterator.next();
                if (resolver.resolve(this, markupStream, tag)) {
                    return;
                }
            }

            if (tag instanceof WicketTag) {
                if (((WicketTag) tag).isChildTag()) {
                    markupStream.throwMarkupException("Found " + tag.toString() + " but no <wicket:extend>"); //$NON-NLS-1$ //$NON-NLS-2$
                } else {
                    markupStream.throwMarkupException("Failed to handle: " + tag.toString()); //$NON-NLS-1$
                }
            }

            // No one was able to handle the component id
            markupStream.throwMarkupException("Unable to find component with id '" + id + "' in " + this //$NON-NLS-1$//$NON-NLS-2$
                    + ". This means that you declared wicket:id=" + //$NON-NLS-1$
                    id + " in your markup, but that you either did not add the " //$NON-NLS-1$
                    + "component to your page at all, or that the hierarchy does not match."); //$NON-NLS-1$
        }
    } else {
        getResponse().write(element.toCharSequence());
        markupStream.next();
    }
}

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From source file:com.servoy.j2db.server.headlessclient.dataui.SortableCellViewHeaders.java

License:Open Source License

private void renderHeader(int headerIdx, final MarkupStream markupStream) {
    Component header = orderedHeaders.get(headerIdx);

    markupStream.setCurrentIndex(headerMarkupStartIdx);
    boolean found = false;
    MarkupElement element;//from  w w  w  .  jav a  2 s  . c  o m

    while (!found) {
        element = markupStream.next();
        if ((element instanceof ComponentTag) && !markupStream.atCloseTag()) {
            // Get element as tag
            final ComponentTag tag = (ComponentTag) element;

            // Get component id
            final String id = tag.getId();

            // Get the component for the id from the given container
            final Component component = get(id);

            // Failed to find it?
            if (component != null) {
                if (component.equals(header)) {
                    component.render(markupStream);
                    found = true;
                }
            }
        }
    }
}

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