Examples with TemplateNode com.vaadin.flow.template.angular.TemplateNode used on opensource projects

Example 26 with TemplateNode

use of com.vaadin.flow.template.angular.TemplateNode in project flow by vaadin.

the class TemplateElementStateProviderTest method setProperty_regularProperty_elementDelegatesPropertyToOverrideNode.

@Test
public void setProperty_regularProperty_elementDelegatesPropertyToOverrideNode() {
    TemplateNode node = TemplateParser.parse("<div></div>", new NullTemplateResolver());
    Element element = createElement(node);
    element.setProperty("prop", "foo");
    StateNode overrideNode = element.getNode().getFeature(TemplateOverridesMap.class).get(node, false);
    Assert.assertTrue(BasicElementStateProvider.get().hasProperty(overrideNode, "prop"));
    Assert.assertEquals("foo", BasicElementStateProvider.get().getProperty(overrideNode, "prop"));
    List<String> props = BasicElementStateProvider.get().getPropertyNames(overrideNode).collect(Collectors.toList());
    Assert.assertEquals(1, props.size());
    Assert.assertEquals("prop", props.get(0));
}

Example 27 with TemplateNode

use of com.vaadin.flow.template.angular.TemplateNode in project flow by vaadin.

the class TemplateElementStateProviderTest method removeAttribute_templateHasOneMoreAttribute_hasNoAttribute.

@Test
public void removeAttribute_templateHasOneMoreAttribute_hasNoAttribute() {
    TemplateNode node = TemplateParser.parse("<div foo='bar' attr='value'></div>", new NullTemplateResolver());
    Element element = createElement(node);
    element.removeAttribute("foo");
    Assert.assertFalse(element.hasAttribute("foo"));
    Assert.assertTrue(element.hasAttribute("attr"));
    List<String> attrs = element.getAttributeNames().collect(Collectors.toList());
    Assert.assertEquals(1, attrs.size());
    Assert.assertEquals("attr", attrs.get(0));
    Assert.assertEquals("value", element.getAttribute("attr"));
}

Example 28 with TemplateNode

use of com.vaadin.flow.template.angular.TemplateNode in project flow by vaadin.

the class TemplateElementStateProviderTest method removeAttribute_regularAttribute_elementDelegatesAttributeToOverrideNode.

@Test
public void removeAttribute_regularAttribute_elementDelegatesAttributeToOverrideNode() {
    TemplateNode node = TemplateParser.parse("<div></div>", new NullTemplateResolver());
    Element element = createElement(node);
    element.setAttribute("attr", "foo");
    element.removeAttribute("attr");
    StateNode overrideNode = element.getNode().getFeature(TemplateOverridesMap.class).get(node, false);
    Assert.assertFalse(BasicElementStateProvider.get().hasAttribute(overrideNode, "attr"));
    List<String> attrs = BasicElementStateProvider.get().getAttributeNames(overrideNode).collect(Collectors.toList());
    Assert.assertEquals(0, attrs.size());
}

Example 29 with TemplateNode

use of com.vaadin.flow.template.angular.TemplateNode in project flow by vaadin.

the class TemplateElementStateProvider method getChild.

@Override
public Element getChild(StateNode node, int index) {
    int templateChildCount = templateNode.getChildCount();
    if (templateChildCount == 0) {
        // No children according to the template, could still have an
        // override node with children
        Optional<StateNode> overrideNode = getOverrideNode(node);
        if (overrideNode.isPresent()) {
            return BasicElementStateProvider.get().getChild(overrideNode.get(), index);
        }
    }
    int currentChildIndex = 0;
    for (int i = 0; i < templateChildCount; i++) {
        TemplateNode templateChild = templateNode.getChild(i);
        int generateCount = templateChild.getGeneratedElementCount(node);
        int indexInChild = index - currentChildIndex;
        if (indexInChild < generateCount) {
            return templateChild.getElement(indexInChild, node);
        }
        currentChildIndex += generateCount;
    }
    throw new IndexOutOfBoundsException();
}

Example 30 with TemplateNode

use of com.vaadin.flow.template.angular.TemplateNode in project flow by vaadin.

the class TemplateElementStateProvider method getChildCount.

@Override
public int getChildCount(StateNode node) {
    int templateChildCount = templateNode.getChildCount();
    if (templateChildCount == 0) {
        // No children according to the template, could still have an
        // override node with children
        Optional<StateNode> overrideNode = getOverrideNode(node);
        if (overrideNode.isPresent()) {
            return BasicElementStateProvider.get().getChildCount(overrideNode.get());
        }
    }
    int elementChildCount = 0;
    for (int i = 0; i < templateChildCount; i++) {
        TemplateNode templateChild = templateNode.getChild(i);
        elementChildCount += templateChild.getGeneratedElementCount(node);
    }
    return elementChildCount;
}