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package com.vaadin.tests.components;
import java.io.File;
import com.vaadin.annotations.Widgetset;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinServlet;
import com.vaadin.server.WebBrowser;
import com.vaadin.shared.communication.PushMode;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.shared.ui.ui.Transport;
import com.vaadin.ui.Component;
import com.vaadin.ui.Label;
import com.vaadin.ui.Notification;
import com.vaadin.ui.Notification.Type;
import com.vaadin.ui.PushConfiguration;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
public abstract class AbstractTestUI extends UI {
@Override
public void init(VaadinRequest request) {
getPage().setTitle(getClass().getName());
Label label = new Label(getTestDescription(), ContentMode.HTML);
label.setWidth("100%");
VerticalLayout rootLayout = new VerticalLayout();
rootLayout.setMargin(true);
setContent(rootLayout);
layout = new VerticalLayout();
rootLayout.addComponent(label);
rootLayout.addComponent(layout);
((VerticalLayout) getContent()).setExpandRatio(layout, 1);
warnIfWidgetsetMaybeNotCompiled();
setTransport(request);
setup(request);
}
protected void warnIfWidgetsetMaybeNotCompiled() {
// Ignore if using debug mode
String query = getPage().getLocation().getQuery();
if (query != null && query.matches(".*[&?]gwt\\.codesvr.*")) {
return;
}
// Find out the widgetset of this UI based on @Widgetset annotation
Class<?> currentType = getClass();
String usedWidgetset = VaadinServlet.DEFAULT_WIDGETSET;
while (currentType != Object.class) {
Widgetset annotation = currentType.getAnnotation(Widgetset.class);
if (annotation != null) {
usedWidgetset = annotation.value();
break;
} else {
currentType = currentType.getSuperclass();
}
}
// Assuming the same folder structure as in git repo
// Assuming project root is the working dir of this process
File widgetsetsFolder = new File("WebContent/VAADIN/widgetsets");
if (!widgetsetsFolder.isDirectory()) {
return;
}
// Find the most newly compiled widgetset
long newestWidgetsetTimestamp = -1;
String newestWidgetsetName = null;
File[] children = widgetsetsFolder.listFiles();
for (File child : children) {
if (!child.isDirectory() || child.getName().equals("WEB-INF")) {
continue;
}
long lastModified = child.lastModified();
if (lastModified > newestWidgetsetTimestamp) {
newestWidgetsetTimestamp = lastModified;
newestWidgetsetName = child.getName();
}
}
// Compare to currently used widgetset, with a 30 minute grace period
File currentWidgetsetFolder = new File(widgetsetsFolder, usedWidgetset);
long currentWidgetsetTimestamp = currentWidgetsetFolder.lastModified();
int halfHour = 30 * 60 * 1000;
if (currentWidgetsetTimestamp + halfHour < newestWidgetsetTimestamp) {
Notification
.show("The currently used widgetset ("
+ usedWidgetset
+ ") was compiled long before the most recently compiled one ("
+ newestWidgetsetName
+ "). Are you sure you have compiled the right widgetset?",
Type.WARNING_MESSAGE);
}
}
protected void setTransport(VaadinRequest request) {
String transport = request.getParameter("transport");
PushConfiguration config = getPushConfiguration();
PushMode mode = config.getPushMode();
if ("xhr".equals(transport)) {
config.setPushMode(PushMode.DISABLED);
} else if ("websocket".equals(transport)) {
if (!mode.isEnabled()) {
config.setPushMode(PushMode.AUTOMATIC);
}
config.setTransport(Transport.WEBSOCKET);
} else if ("streaming".equals(transport)) {
if (!mode.isEnabled()) {
config.setPushMode(PushMode.AUTOMATIC);
}
config.setTransport(Transport.STREAMING);
}
}
private VerticalLayout layout;
protected VerticalLayout getLayout() {
return layout;
}
protected abstract void setup(VaadinRequest request);
public void addComponent(Component c) {
getLayout().addComponent(c);
}
public void removeComponent(Component c) {
getLayout().removeComponent(c);
}
public void replaceComponent(Component oldComponent, Component newComponent) {
getLayout().replaceComponent(oldComponent, newComponent);
}
protected abstract String getTestDescription();
protected abstract Integer getTicketNumber();
protected WebBrowser getBrowser() {
return getSession().getBrowser();
}
}
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