Examples with VisitCallback jakarta.faces.component.visit.VisitCallback used on opensource projects

Example 1 with VisitCallback

use of jakarta.faces.component.visit.VisitCallback in project myfaces by apache.

the class IdSearchKeywordResolver method resolve.

@Override
public void resolve(SearchKeywordContext expressionContext, UIComponent current, String keyword) {
    FacesContext facesContext = expressionContext.getSearchExpressionContext().getFacesContext();
    final String targetId = extractId(keyword);
    if (expressionContext.getSearchExpressionContext().getExpressionHints() != null && expressionContext.getSearchExpressionContext().getExpressionHints().contains(SearchExpressionHint.SKIP_VIRTUAL_COMPONENTS)) {
        // Avoid visit tree because in this case we need real component instances.
        // This means components inside UIData will not be scanned.
        withId(facesContext, targetId, current, expressionContext.getCallback());
        expressionContext.setKeywordResolved(true);
    } else {
        current.visitTree(VisitContext.createVisitContext(facesContext, null, expressionContext.getSearchExpressionContext().getVisitHints()), new VisitCallback() {

            @Override
            public VisitResult visit(VisitContext context, UIComponent target) {
                if (targetId.equals(target.getId())) {
                    expressionContext.invokeContextCallback(target);
                    if (expressionContext.getSearchExpressionContext().getExpressionHints() != null && expressionContext.getSearchExpressionContext().getExpressionHints().contains(SearchExpressionHint.RESOLVE_SINGLE_COMPONENT)) {
                        return VisitResult.COMPLETE;
                    }
                    return VisitResult.ACCEPT;
                } else {
                    return VisitResult.ACCEPT;
                }
            }
        });
    }
}

Example 2 with VisitCallback

use of jakarta.faces.component.visit.VisitCallback in project myfaces by apache.

the class UISelectOne method processValidators.

/**
 * Verify that when ever there is a ValueExpression and submitted value is not empty, then
 * visit all the UISelectItem elements within the UISelectOne radio components to check if
 * the submitted value exists in any of the select items.
 *
 * @see jakarta.faces.component.UIInput#processValidators(jakarta.faces.context.FacesContext)
 */
@Override
public void processValidators(FacesContext context) {
    String group = getGroup();
    ValueExpression ve = getValueExpression("value");
    String submittedValue = (String) getSubmittedValue();
    if (group != null && !group.isEmpty() && ve != null && !isEmpty(submittedValue)) {
        final UIComponent form = getRadioNestingForm(context, this);
        form.visitTree(VisitContext.createVisitContext(context), new VisitCallback() {

            @Override
            public VisitResult visit(VisitContext visitContext, UIComponent target) {
                if (target instanceof UISelectOne && ((UISelectOne) target).getGroup().equals(group)) {
                    UISelectOne radio = (UISelectOne) target;
                    // and verify if the submitted value exists
                    for (Iterator<UIComponent> iter = radio.getChildren().iterator(); iter.hasNext(); ) {
                        UIComponent component = iter.next();
                        if (component instanceof UISelectItem) {
                            UISelectItem item = (UISelectItem) component;
                            if (item.getItemValue().equals(submittedValue)) {
                                selectItemValueFound = true;
                                return VisitResult.COMPLETE;
                            }
                        }
                    }
                    return VisitResult.REJECT;
                }
                return VisitResult.ACCEPT;
            }
        });
    }
    super.processValidators(context);
}

Example 3 with VisitCallback

use of jakarta.faces.component.visit.VisitCallback in project myfaces by apache.

the class PartialStateManagementStrategy method saveStateOnMapVisitTree.

private void saveStateOnMapVisitTree(final FacesContext facesContext, final Map<String, Object> states, final UIViewRoot uiViewRoot) {
    facesContext.getAttributes().put(MyFacesVisitHints.SKIP_ITERATION_HINT, Boolean.TRUE);
    try {
        uiViewRoot.visitTree(getVisitContextFactory().getVisitContext(facesContext, null, MyFacesVisitHints.SET_SKIP_ITERATION), new VisitCallback() {

            @Override
            public VisitResult visit(VisitContext context, UIComponent target) {
                FacesContext facesContext = context.getFacesContext();
                Object state;
                if ((target == null) || target.isTransient()) {
                    return VisitResult.REJECT;
                }
                ComponentState componentAddedAfterBuildView = (ComponentState) target.getAttributes().get(COMPONENT_ADDED_AFTER_BUILD_VIEW);
                // Note if UIViewRoot has this marker, JSF 1.2 like state saving is used.
                if (componentAddedAfterBuildView != null && (target.getParent() != null)) {
                    if (ComponentState.REMOVE_ADD.equals(componentAddedAfterBuildView)) {
                        registerOnAddRemoveList(facesContext, target.getClientId(facesContext));
                        target.getAttributes().put(COMPONENT_ADDED_AFTER_BUILD_VIEW, ComponentState.ADDED);
                    } else if (ComponentState.ADD.equals(componentAddedAfterBuildView)) {
                        registerOnAddList(facesContext, target.getClientId(facesContext));
                        target.getAttributes().put(COMPONENT_ADDED_AFTER_BUILD_VIEW, ComponentState.ADDED);
                    } else if (ComponentState.ADDED.equals(componentAddedAfterBuildView)) {
                        registerOnAddList(facesContext, target.getClientId(facesContext));
                    }
                    ensureClearInitialState(target);
                    // Save all required info to restore the subtree.
                    // This includes position, structure and state of subtree
                    int childIndex = target.getParent().getChildren().indexOf(target);
                    if (childIndex >= 0) {
                        states.put(target.getClientId(facesContext), new AttachedFullStateWrapper(new Object[] { target.getParent().getClientId(facesContext), null, childIndex, internalBuildTreeStructureToSave(target), target.processSaveState(facesContext) }));
                    } else {
                        String facetName = null;
                        if (target.getParent().getFacetCount() > 0) {
                            for (Map.Entry<String, UIComponent> entry : target.getParent().getFacets().entrySet()) {
                                if (target.equals(entry.getValue())) {
                                    facetName = entry.getKey();
                                    break;
                                }
                            }
                        }
                        states.put(target.getClientId(facesContext), new AttachedFullStateWrapper(new Object[] { target.getParent().getClientId(facesContext), facetName, null, internalBuildTreeStructureToSave(target), target.processSaveState(facesContext) }));
                    }
                    return VisitResult.REJECT;
                } else if (target.getParent() != null) {
                    state = target.saveState(facesContext);
                    if (state != null) {
                        // Save by client ID into our map.
                        states.put(target.getClientId(facesContext), state);
                    }
                    return VisitResult.ACCEPT;
                } else {
                    // Only UIViewRoot has no parent in a component tree.
                    return VisitResult.ACCEPT;
                }
            }
        });
    } finally {
        facesContext.getAttributes().remove(MyFacesVisitHints.SKIP_ITERATION_HINT);
    }
    if (!uiViewRoot.isTransient()) {
        Object state = uiViewRoot.saveState(facesContext);
        if (state != null) {
            // Save by client ID into our map.
            states.put(uiViewRoot.getClientId(facesContext), state);
        }
    }
}

Example 4 with VisitCallback

use of jakarta.faces.component.visit.VisitCallback in project myfaces by apache.

the class MockMyFacesClient method internalSubmit.

protected void internalSubmit(UICommand command) {
    if (command instanceof HtmlCommandButton) {
        final FacesContext facesContext = testCase.getFacesContext();
        UIForm form = getParentForm(command);
        VisitContext visitContext = VisitContext.createVisitContext(facesContext);
        form.visitTree(visitContext, new VisitCallback() {

            public VisitResult visit(VisitContext context, UIComponent target) {
                if (target instanceof UIInput) {
                    if (!parameters.containsKey(target.getClientId(facesContext))) {
                        parameters.put(target.getClientId(facesContext), RendererUtils.getStringValue(facesContext, target));
                    }
                }
                return VisitResult.ACCEPT;
            }
        });
        parameters.put(form.getClientId(facesContext) + "_SUBMIT", "1");
        Object value = command.getValue();
        parameters.put(command.getClientId(), value == null ? "" : value.toString());
        applyStateFromPreviousRequest();
    /*
            parameters.put(ResponseStateManager.VIEW_STATE_PARAM, 
                facesContext.getApplication().getStateManager().getViewState(facesContext));
            if (facesContext.getExternalContext().getClientWindow() != null)
            {
                parameters.put(ResponseStateManager.CLIENT_WINDOW_URL_PARAM, 
                facesContext.getExternalContext().getClientWindow().getId());
            }
            MockHttpServletResponse response = (MockHttpServletResponse) 
                facesContext.getExternalContext().getResponse(); 
            Cookie cookie = response.getCookie("oam.Flash.RENDERMAP.TOKEN");
            getCookies().put("oam.Flash.RENDERMAP.TOKEN", cookie);*/
    }
}

Example 5 with VisitCallback

use of jakarta.faces.component.visit.VisitCallback in project myfaces by apache.

the class UIDataTest method testVisitTree.

/**
 * Test method for
 * {@link jakarta.faces.component.UIData#visitTree(jakarta.faces.component.visit.VisitContext, jakarta.faces.component.visit.VisitCallback)}.
 */
public void testVisitTree() {
    UIData uidata = new UIData();
    // value
    Collection<String> value = new ArrayList<String>();
    value.add("value#1");
    value.add("value#2");
    uidata.setValue(value);
    // header facet
    UIComponent headerFacet = new HtmlPanelGroup();
    headerFacet.setId("headerFacet");
    uidata.setHeader(headerFacet);
    // footer facet
    UIComponent footerFacet = new HtmlPanelGroup();
    footerFacet.setId("footerFacet");
    uidata.setFooter(footerFacet);
    // first child
    UIComponent child1 = new UIColumn();
    // facet of first child
    UIComponent facetOfChild1 = new HtmlPanelGroup();
    child1.getFacets().put("someFacet", facetOfChild1);
    // child of first child
    UIOutput childOfChild1 = new UIOutput();
    childOfChild1.setId("childOfColumn");
    child1.getChildren().add(childOfChild1);
    uidata.getChildren().add(child1);
    // second child (should not be processed --> != UIColumn)
    UIComponent child2 = new HtmlPanelGroup();
    uidata.getChildren().add(child2);
    VisitCallback callback = null;
    IMocksControl control = EasyMock.createControl();
    VisitContext visitContextMock = control.createMock(VisitContext.class);
    EasyMock.expect(visitContextMock.getFacesContext()).andReturn(facesContext).anyTimes();
    EasyMock.expect(visitContextMock.getHints()).andReturn(Collections.<VisitHint>emptySet()).anyTimes();
    Collection<String> subtreeIdsToVisit = new ArrayList<String>();
    subtreeIdsToVisit.add("1");
    EasyMock.expect(visitContextMock.getSubtreeIdsToVisit(uidata)).andReturn(subtreeIdsToVisit);
    EasyMock.expect(visitContextMock.invokeVisitCallback(uidata, callback)).andReturn(VisitResult.ACCEPT);
    EasyMock.expect(visitContextMock.invokeVisitCallback(headerFacet, callback)).andReturn(VisitResult.ACCEPT);
    EasyMock.expect(visitContextMock.invokeVisitCallback(footerFacet, callback)).andReturn(VisitResult.ACCEPT);
    EasyMock.expect(visitContextMock.invokeVisitCallback(facetOfChild1, callback)).andReturn(VisitResult.ACCEPT);
    EasyMock.expect(visitContextMock.invokeVisitCallback(child1, callback)).andReturn(VisitResult.ACCEPT);
    EasyMock.expect(visitContextMock.invokeVisitCallback(childOfChild1, callback)).andReturn(VisitResult.ACCEPT).times(2);
    control.replay();
    uidata.visitTree(visitContextMock, callback);
    control.verify();
    // VisitHint.SKIP_ITERATION test:
    // (1) uiData with two rows - should iterate over row twice
    MockVisitContext mockVisitContext = new MockVisitContext(facesContext, null);
    CountingVisitCallback countingVisitCallback = new CountingVisitCallback(2);
    uidata.visitTree(mockVisitContext, countingVisitCallback);
    countingVisitCallback.verify();
    // (2) uiData with two values - should iterate over row ones - SKIP_ITERATION is used
    mockVisitContext = new MockVisitContext(facesContext, EnumSet.of(VisitHint.SKIP_ITERATION));
    countingVisitCallback = new CountingVisitCallback(1);
    uidata.visitTree(mockVisitContext, countingVisitCallback);
    countingVisitCallback.verify();
    // (3) uiData with five values - should iterate over row five times
    value = new ArrayList<String>();
    value.add("1");
    value.add("2");
    value.add("3");
    value.add("4");
    value.add("5");
    uidata.setValue(value);
    mockVisitContext = new MockVisitContext(facesContext, null);
    countingVisitCallback = new CountingVisitCallback(5);
    uidata.visitTree(mockVisitContext, countingVisitCallback);
    countingVisitCallback.verify();
    // (4) uiData with five values - should iterate over child ones - SKIP_ITERATION is used
    mockVisitContext = new MockVisitContext(facesContext, EnumSet.of(VisitHint.SKIP_ITERATION));
    countingVisitCallback = new CountingVisitCallback(1);
    uidata.visitTree(mockVisitContext, countingVisitCallback);
    countingVisitCallback.verify();
}