JAVAFX WEBENGINE LOAD PDF

The following example shows a callback that resizes a browser window: Stage stage; webEngine. The getDocument method provides access to the root of the model. The following example attaches a Java event listener to an element of a Web page. String method. For example: webEngine.

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The following example shows a callback that resizes a browser window: Stage stage; webEngine. The getDocument method provides access to the root of the model. The following example attaches a Java event listener to an element of a Web page. String method. For example: webEngine. Mapping JavaScript values to Java objects JavaScript values are represented using the obvious Java classes: null becomes Java null; a boolean becomes a java.

Boolean; and a string becomes a java. A number can be java. Double or a java. Integer, depending. The undefined value maps to a specific unique String object whose value is "undefined". As a special case, if the JavaScript object is a JavaRuntimeObject as discussed in the next section, then the original Java object is extracted instead. The JSObject class is a proxy that provides access to methods and properties of its underlying JavaScript object.

The most commonly used JSObject methods are getMember to read a named property , setMember to set or define a property , and call to call a function-valued property. For example if setting a Java String field from a JavaScript expression, then the JavaScript value is converted to a string. Otherwise a JavaRuntimeObject is created. This is a JavaScript object that acts as a proxy for the Java object, in that accessing properties of the JavaRuntimeObject causes the Java field or method with the same name to be accessed.

The Java code establishes a new JavaScript object named app. This object has one public member, the method exit. If there are multiple Java methods with the given name, then the engine selects one matching the number of parameters in the call. Varargs are not handled. An unspecified one is chosen if there are multiple ones with the correct number of parameters.

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