Example usage for org.apache.wicket Page visitChildren

Introduction

In this page you can find the example usage for org.apache.wicket Page visitChildren.

Prototype

public final <R> R visitChildren(final IVisitor<Component, R> visitor) 

Source Link

Document

Traverses all child components in this container, calling the visitor's visit method at each one.

Usage

From source file:com.googlecode.wicketwebbeans.containers.ContainerModelTest.java

License:Apache License

private void detachModels(Page page) {
    page.visitChildren(new IVisitor<Component>() {
        public Object component(Component component) {
            try {
                // detach any models of the component
                component.detachModels();
            } catch (Exception e) {
                // Ignore
            }/*  ww w  .j ava2  s  . com*/

            return IVisitor.CONTINUE_TRAVERSAL;
        }
    });
}

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From source file:de.inren.frontend.application.InRenApplication.java

License:Apache License

public FeedbackPanel getFeedbackPanel(Page page) {
    return (FeedbackPanel) page.visitChildren(new FeedbackPanelVisitor());
}

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From source file:de.micromata.genome.junittools.wicket.TpsbWicketTools.java

License:Apache License

/**
 * Internal finder./*from ww w.j  ava 2  s.  c o  m*/
 * 
 * @param <X> the generic type
 * @param tester the tester
 * @param startComponent the start component
 * @param componentClass the component class
 * @param matcher the matcher
 * @return the list
 */
private static <X extends Component> List<X> internalFinder(WicketTester tester, MarkupContainer startComponent,
        Class<X> componentClass, final Matcher<Component> matcher) {
    final List<X> results = new LinkedList<X>();
    Page lastRenderedPage = tester.getLastRenderedPage();

    if (lastRenderedPage == null) {
        throw new IllegalStateException("You must call #goToPage before you can find components.");
    }

    if (componentClass == null) {
        componentClass = (Class<X>) Component.class;
    }
    final Class<? extends Component> searchComponent = componentClass;

    IVisitor<Component, Object> visitor = new IVisitor<Component, Object>() {
        @Override
        public void component(Component object, IVisit<Object> visit) {
            if (LOG.isDebugEnabled() == true) {
                LOG.debug("candite for wicket internalFinder: " + object.getClass().getSimpleName() + "|"
                        + object.getId() + "|" + object.getPath());
            }
            if (searchComponent.isAssignableFrom(object.getClass()) == true) {

                if (matcher.match(object) == true) {
                    if (matcher instanceof TpsbWicketMatchSelector) {
                        results.add((X) ((TpsbWicketMatchSelector) matcher).selectMatched(object));
                    } else {
                        results.add((X) object);
                    }
                }
            }
        }
    };
    if (startComponent == null) {
        lastRenderedPage.visitChildren(visitor);
    } else {
        startComponent.visitChildren(visitor);
    }
    return results;
}

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From source file:de.micromata.genome.junittools.wicket.TpsbWicketTools.java

License:Apache License

/**
 * Find components for property model property.
 * //from ww w.  j a  va  2  s. co m
 * @param <X> the generic type
 * @param tester the tester
 * @param startComponent the start component
 * @param componentClass the component class
 * @param property the property
 * @return the list
 * @deprecated use TpsbWicketMatchSelector
 */
@Deprecated
public static <X extends Component> List<X> _findComponentsForPropertyModelProperty(WicketTester tester,
        final MarkupContainer startComponent, final Class<X> componentClass, final String property) {
    final List<X> results = new LinkedList<X>();
    Page lastRenderedPage = tester.getLastRenderedPage();

    if (lastRenderedPage == null) {
        throw new IllegalStateException("You must call #goToPage before you can find components.");
    }

    if (componentClass == null || property == null) {
        throw new IllegalArgumentException("You must provide not null arguments.");
    }

    IVisitor<Component, Object> visitor = new IVisitor<Component, Object>() {
        @Override
        public void component(Component object, IVisit<Object> visit) {
            if (LOG.isDebugEnabled() == true) {
                LOG.debug("candite for wicket internalFinder: " + object.getClass().getSimpleName() + "|"
                        + object.getId() + "|" + object.getPath());
            }
            if (componentClass.isAssignableFrom(object.getClass()) == true) {
                IModel<?> defaultModel = object.getDefaultModel();
                if (defaultModel instanceof AbstractPropertyModel == true) {
                    AbstractPropertyModel propertyModel = (AbstractPropertyModel) defaultModel;
                    if (StringUtils.equals(property, propertyModel.getPropertyExpression()) == true) {
                        results.add((X) object);
                    }
                }
            }
        }
    };
    if (startComponent == null) {
        lastRenderedPage.visitChildren(visitor);
    } else {
        startComponent.visitChildren(visitor);
    }
    return results;
}

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From source file:org.apache.isis.viewer.wicket.model.models.WicketComponentUtils.java

License:Apache License

/**
 * Locates a component implementing the required class on the supplied page.
 *//*from  w  w w . j  a  v  a 2  s .  c  om*/
public static <T> T getFrom(Page page, final Class<T> cls) {
    final Object[] pComponent = new Object[1];
    page.visitChildren(new DeepChildFirstVisitor() {
        @Override
        public void component(Component component, IVisit<Void> visit) {
            if (cls.isAssignableFrom(component.getClass())) {
                pComponent[0] = component;
                visit.stop();
            }
        }

        @Override
        public boolean preCheck(Component component) {
            return false;
        }
    });

    return (T) pComponent[0];
}

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From source file:org.apache.isis.viewer.wicket.ui.panels.FormExecutorDefault.java

License:Apache License

private void addComponentsToRedraw(final AjaxRequestTarget target) {
    final List<Component> componentsToRedraw = Lists.newArrayList();
    final List<Component> componentsNotToRedraw = Lists.newArrayList();

    final Page page = target.getPage();
    page.visitChildren(new IVisitor<Component, Object>() {
        @Override/*  www . j av  a  2  s. c o m*/
        public void component(final Component component, final IVisit<Object> visit) {
            if (component.getOutputMarkupId() && !(component instanceof Page)) {
                List<Component> listToAddTo = shouldRedraw(component) ? componentsToRedraw
                        : componentsNotToRedraw;
                listToAddTo.add(component);
            }
        }

        private boolean shouldRedraw(final Component component) {

            // hmm... this doesn't work, because I think that the components
            // get removed after they've been added to target.
            // so.. still getting WARN log messages from XmlPartialPageUpdate

            //                final Page page = component.findParent(Page.class);
            //                if(page == null) {
            //                    // as per logic in XmlPartialPageUpdate, this has already been
            //                    // removed from page so don't attempt to redraw it
            //                    return false;
            //                }

            final Object defaultModel = component.getDefaultModel();
            if (!(defaultModel instanceof ScalarModel)) {
                return true;
            }
            final ScalarModel scalarModel = (ScalarModel) defaultModel;
            final UnchangingFacet unchangingFacet = scalarModel.getFacet(UnchangingFacet.class);
            return unchangingFacet == null || !unchangingFacet.value();
        }
    });

    for (Component componentNotToRedraw : componentsNotToRedraw) {
        MarkupContainer parent = componentNotToRedraw.getParent();
        while (parent != null) {
            parent = parent.getParent();
        }

        componentNotToRedraw.visitParents(MarkupContainer.class, new IVisitor<MarkupContainer, Object>() {
            @Override
            public void component(final MarkupContainer parent, final IVisit<Object> visit) {
                componentsToRedraw.remove(parent); // no-op if not in that list
            }
        });
        if (componentNotToRedraw instanceof MarkupContainer) {
            final MarkupContainer containerNotToRedraw = (MarkupContainer) componentNotToRedraw;
            containerNotToRedraw.visitChildren(new IVisitor<Component, Object>() {
                @Override
                public void component(final Component parent, final IVisit<Object> visit) {
                    componentsToRedraw.remove(parent); // no-op if not in that list
                }
            });
        }
    }

    if (LOG.isDebugEnabled()) {
        debug(componentsToRedraw, componentsNotToRedraw);
    }

    for (Component component : componentsToRedraw) {
        target.add(component);
    }
}

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From source file:org.odlabs.wiquery.core.commons.WiQueryCoreHeaderContributor.java

License:Open Source License

private void renderResponse(final IHeaderResponse response) {
    Page page = RequestCycle.get().getResponsePage();
    Boolean rendered;//from w w w. j av a2 s  .c o m
    if (page == null) {
        rendered = RequestCycle.get().getMetaData(WIQUERY_KEY);
    } else {
        Long renderTime = page.getMetaData(WIQUERY_PAGE_KEY);
        rendered = renderTime != null && renderTime.equals(RequestCycle.get().getStartTime());
        page.setMetaData(WIQUERY_PAGE_KEY, RequestCycle.get().getStartTime());
    }
    RequestCycle.get().setMetaData(WIQUERY_KEY, Boolean.TRUE);
    if (rendered == null || !rendered) {
        WiQuerySettings settings = WiQuerySettings.get();

        final List<WiQueryPluginRenderingListener> pluginRenderingListeners = getRenderingListeners(settings);

        WiQueryPluginCollector visitor = new WiQueryPluginCollector();
        if (page != null) {
            page.visitChildren(visitor);
            visitor.component(page);
        }

        WiQueryHeaderResponse wiQueryHeaderResponse;
        IHeaderResponse headerResponse;
        if (settings.isEnableResourcesMerging() && page != null) {
            wiQueryHeaderResponse = page.getMetaData(WIQUERY_MERGER);

            if (wiQueryHeaderResponse == null) {
                wiQueryHeaderResponse = new WiQueryHeaderResponse();
                page.setMetaData(WIQUERY_MERGER, wiQueryHeaderResponse);
            }

            wiQueryHeaderResponse.setIHeaderResponse(response); // Preserved already used
            // references
            headerResponse = wiQueryHeaderResponse;

        } else {
            wiQueryHeaderResponse = null;
            headerResponse = response;
        }

        WiQueryResourceManager manager = new WiQueryResourceManager();

        JsStatement jsStatement = new JsStatement();
        for (IWiQueryPlugin plugin : visitor.getPlugins()) {
            JsStatement tempStatement = plugin.statement();

            if (tempStatement != null) {
                jsStatement.append("\t" + tempStatement.render() + "\n");
            }

            // calling listeners to compute specific stuff
            for (WiQueryPluginRenderingListener listener : pluginRenderingListeners) {
                listener.onRender(plugin, manager, headerResponse);
            }

            plugin.contribute(manager);
        }

        initializeResourceManager(headerResponse, manager);

        mergeResources(response, settings, wiQueryHeaderResponse);

        JsQuery jsq = new JsQuery();
        jsq.setStatement(jsStatement);
        jsq.renderHead(response, RequestCycle.get().getRequestTarget());
    }
}

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From source file:org.odlabs.wiquery.tester.WiQueryTester.java

License:Open Source License

public List<IHeaderContributor> getHeaderContributors() {
    Page renderedPage = getLastRenderedPage();
    final List<IHeaderContributor> contributors = new ArrayList<IHeaderContributor>();

    renderedPage.visitChildren(new IVisitor<Component, Void>() {
        public void component(Component component, IVisit<Void> visit) {
            for (Behavior behavior : component.getBehaviors())
                if (behavior instanceof IHeaderContributor)
                    contributors.add((IHeaderContributor) behavior);

        }/*from  w  w w.  ja  v a  2s  .c o  m*/
    });

    return contributors;
}

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From source file:sf.wicklet.wicketext.util.WicketExtrasUtil.java

License:Apache License

public static Collection<Component> getComponents(final Page page) {
    final List<Component> data = new ArrayList<Component>();
    if (page == null) {
        return data;
    }//www .  j a  va 2s. c  om
    page.visitChildren(new IVisitor<Component, Void>() {
        @Override
        public void component(final Component component, final IVisit<Void> visit) {
            data.add(component);
        }
    });
    return data;
}

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