Examples with Computation com.vaadin.client.flow.reactive.Computation used on opensource projects

Example 6 with Computation

use of com.vaadin.client.flow.reactive.Computation in project flow by vaadin.

the class TextBindingStrategy method bind.

@Override
public void bind(StateNode stateNode, Text htmlNode, BinderContext nodeFactory) {
    assert stateNode.hasFeature(NodeFeatures.TEXT_NODE);
    if (BOUND.has(stateNode)) {
        return;
    }
    BOUND.set(stateNode, true);
    NodeMap textMap = stateNode.getMap(NodeFeatures.TEXT_NODE);
    MapProperty textProperty = textMap.getProperty(NodeProperties.TEXT);
    Computation computation = Reactive.runWhenDependenciesChange(() -> htmlNode.setData((String) textProperty.getValue()));
    stateNode.addUnregisterListener(e -> unbind(stateNode, computation));
}

Example 7 with Computation

use of com.vaadin.client.flow.reactive.Computation in project flow by vaadin.

the class AbstractTemplateStrategy method bind.

/**
 * Binds the {@code modelNode} using the given {@code binding} and
 * {@code executor} to set the {@code binding} data to the node.
 *
 * @param modelNode
 *            the state node containing model data, not {@code null}
 * @param binding
 *            binding data to set, not {@code null}
 * @param executor
 *            the operation to set the binding data to the node
 */
protected void bind(StateNode modelNode, Binding binding, Consumer<Optional<Object>> executor) {
    if (ModelValueBindingProvider.TYPE.equals(binding.getType())) {
        Computation computation = Reactive.runWhenDependenciesChange(() -> executor.accept(getModelBindingValue(modelNode, binding)));
        modelNode.addUnregisterListener(event -> computation.stop());
    } else {
        // Only static bindings is known as a final call
        assert binding.getType().equals(StaticBindingValueProvider.TYPE);
        executor.accept(Optional.of(getStaticBindingValue(binding)));
    }
}

Example 8 with Computation

use of com.vaadin.client.flow.reactive.Computation in project flow by vaadin.

the class ForTemplateBindingStrategy method bind.

@Override
protected void bind(StateNode modelNode, Node anchor, int templateId, TemplateBinderContext context) {
    ForTemplateNode templateNode = (ForTemplateNode) getTemplateNode(modelNode.getTree(), templateId);
    Computation computation = Reactive.runWhenDependenciesChange(new ForTemplateNodeUpdate(context, anchor, modelNode, templateNode));
    modelNode.addUnregisterListener(event -> computation.stop());
}