The following code is the code of WebViewWrapper:
In order to build a B4J library you need to reference jCore.jar and jFX (for UI library).
WebView is not a subclass of Control so we need to inherit from NodeWrapper. If it was a control then it would have been better to inherit from ControlWrapper (or PaneWrapper for Panes).
Pay attention to the static constructor:
static {
//This line ties the native WebView with this wrapper. It is required for the integration with Scene Builder (FXML layouts).
PaneWrapper.nativeToWrapper.addFirst(new NativeAndWrapper(WebView.class, WebViewWrapper.class));
}
B4X:
package anywheresoftware.b4j.objects;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.concurrent.Worker.State;
import javafx.scene.web.WebView;
import anywheresoftware.b4a.BA;
import anywheresoftware.b4a.BA.Events;
import anywheresoftware.b4a.BA.Hide;
import anywheresoftware.b4a.BA.ShortName;
import anywheresoftware.b4j.objects.PaneWrapper.NativeAndWrapper;
/**
* WebView is an embedded browser.
*LocationChanged event is raised whenever the current location changes.
*PageFinished event is raised after the page is completely loaded.
*/
@ShortName("WebView")
@Events(values={"LocationChanged (Location As String)", "PageFinished (Url As String)"})
public class WebViewWrapper extends NodeWrapper<WebView>{
static {
//This line ties the native WebView with this wrapper. It is required for the integration with Scene Builder (FXML layouts).
PaneWrapper.nativeToWrapper.addFirst(new NativeAndWrapper(WebView.class, WebViewWrapper.class));
}
@Override
@Hide
public void innerInitialize(final BA ba, final String eventName, boolean keepOldObject) {
if (!keepOldObject)
setObject(new WebView());
super.innerInitialize(ba, eventName, true);
if (ba.subExists(eventName + "_locationchanged")) {
getObject().getEngine().locationProperty().addListener(new ChangeListener<String>() {
@Override
public void changed(ObservableValue<? extends String> arg0,
String arg1, String arg2) {
ba.raiseEventFromUI(getObject(), eventName + "_locationchanged", arg2);
}
});
}
if (ba.subExists(eventName + "_pagefinished")) {
getObject().getEngine().getLoadWorker().stateProperty().addListener(new ChangeListener<State>() {
@Override
public void changed(ObservableValue<? extends State> arg0,
State arg1, State arg2) {
if (arg2 == State.SUCCEEDED) {
ba.raiseEventFromUI(getObject(), eventName + "_pagefinished", getObject().getEngine().getLocation());
}
}
});
}
}
/**
* Asynchronously loads the given url.
*/
public void LoadUrl(String Url) {
getObject().getEngine().load(Url);
}
/**
* Asynchronously loads the given html string.
*/
public void LoadHtml(String HtmlString) {
getObject().getEngine().loadContent(HtmlString);
}
/**
* Gets or sets the control preferred height.
*/
public double getPrefHeight() {
return getObject().getPrefHeight();
}
public void setPrefHeight(double d) {
getObject().setPrefHeight(d);
}
/**
* Gets or sets the control preferred width.
*/
public double getPrefWidth() {
return getObject().getPrefWidth();
}
public void setPrefWidth(double d) {
getObject().setPrefWidth(d);
}
}In order to build a B4J library you need to reference jCore.jar and jFX (for UI library).
WebView is not a subclass of Control so we need to inherit from NodeWrapper. If it was a control then it would have been better to inherit from ControlWrapper (or PaneWrapper for Panes).
Pay attention to the static constructor:
static {
//This line ties the native WebView with this wrapper. It is required for the integration with Scene Builder (FXML layouts).
PaneWrapper.nativeToWrapper.addFirst(new NativeAndWrapper(WebView.class, WebViewWrapper.class));
}
) but it's in jFX.jar over here! That's why I thought you would keep it in the B4J forum.
