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package com.vaadin.tests.components.javascriptcomponent;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import com.vaadin.annotations.JavaScript;
import com.vaadin.server.ConnectorResource;
import com.vaadin.server.DownloadStream;
import com.vaadin.server.Resource;
import com.vaadin.server.ResourceReference;
import com.vaadin.server.VaadinRequest;
import com.vaadin.shared.communication.ClientRpc;
import com.vaadin.shared.communication.ServerRpc;
import com.vaadin.shared.communication.URLReference;
import com.vaadin.shared.ui.JavaScriptComponentState;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.tests.util.Log;
import com.vaadin.ui.AbstractJavaScriptComponent;
import com.vaadin.ui.Button;
import com.vaadin.ui.HasComponents;
import com.vaadin.ui.JavaScriptFunction;
import elemental.json.JsonArray;
import elemental.json.JsonObject;
import elemental.json.JsonValue;
public class BasicJavaScriptComponent extends AbstractReindeerTestUI {
public interface TestRpc extends ServerRpc, ClientRpc {
public void sendRpc(String message);
}
public static class TestState extends JavaScriptComponentState {
private List<String> messages = new ArrayList<>();
private URLReference url;
public List<String> getMessages() {
return messages;
}
public void setMessages(List<String> messages) {
this.messages = messages;
}
public URLReference getUrl() {
return url;
}
public void setUrl(URLReference url) {
this.url = url;
}
}
@JavaScript("BasicJavaScriptComponentConnector.js")
public class ExampleWidget extends AbstractJavaScriptComponent {
public ExampleWidget() {
registerRpc(new TestRpc() {
@Override
public void sendRpc(String message) {
log.log("Got RPC message: " + message);
}
});
addFunction("messageToServer", new JavaScriptFunction() {
@Override
public void call(JsonArray arguments) {
log.log("Got callback message: " + arguments.getString(0));
}
});
addFunction("reportParentIds", new JavaScriptFunction() {
@Override
public void call(JsonArray arguments) {
JsonArray parentIds = arguments.getArray(0);
if (!parentIds.getString(0).equals(getConnectorId())) {
log.log("Connector ids doesn't match");
}
HasComponents parent = getParent();
int i = 1;
while (parent != null) {
if (!parentIds.getString(i)
.equals(parent.getConnectorId())) {
log.log("parentIds[" + i + "] doesn't match");
}
i++;
parent = parent.getParent();
}
log.log("Parent ids checked");
}
});
addFunction("sendDifferentTypeOfData", new JavaScriptFunction() {
@Override
public void call(JsonArray arguments) {
for (int i = 0; i < arguments.length(); i++) {
JsonValue arg = arguments.get(i);
if (arg instanceof JsonObject) {
JsonObject o = (JsonObject) arg;
log.log("Argument[" + i + "] type: "
+ arg.getClass().getName());
for (String key : o.keys()) {
JsonValue v = o.get(key);
log.log("Argument[" + i + "][" + key
+ "] type: " + v.getClass().getName()
+ ", value: " + v.asString());
}
} else {
log.log("Argument[" + i + "] type: "
+ arg.getClass().getName() + ", value: "
+ arg.asString());
}
}
}
});
getRpcProxy(TestRpc.class).sendRpc("RPC message");
callFunction("messageToClient", "Callback message");
getState().setMessages(Arrays.asList("First state message",
"Second state message"));
// Dummy resource used to test URL translation
Resource resource = new ConnectorResource() {
@Override
public String getMIMEType() {
return null;
}
@Override
public DownloadStream getStream() {
return null;
}
@Override
public String getFilename() {
return null;
}
};
getState().setUrl(new ResourceReference(resource, this, "test"));
}
@Override
public TestState getState() {
return (TestState) super.getState();
}
}
private final Log log = new Log(15);
@Override
protected void setup(VaadinRequest request) {
addComponent(log);
final ExampleWidget c = new ExampleWidget();
c.setCaption("Component caption");
addComponent(c);
Button removeButton = new Button("Remove component",
event -> removeComponent(c));
removeButton.setId("RemoveButton");
addComponent(removeButton);
}
@Override
protected String getTestDescription() {
return "Test for basic JavaScript component functionality.";
}
@Override
protected Integer getTicketNumber() {
return Integer.valueOf(8888);
}
}
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