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How do I create and show common dialogs (Error, Warning, Confirmation) in JavaFX 2.0? I can't find any "standard" classes like Dialog, DialogBox, Message or something.
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The JOptionPane class is used to provide standard dialog boxes such as message dialog box, confirm dialog box and input dialog box. These dialog boxes are used to display information or get input from the user.
A Dialog in JavaFX wraps a DialogPane and provides the necessary API to present it to end users. In JavaFX 8u40, this essentially means that the DialogPane is shown to users inside a Stage , but future releases may offer alternative options (such as 'lightweight' or 'internal' dialogs).
An alert is a dialog which shows pre-built dialog types. You can create an alert by instantiating the javafx.scene.control.Alert class. This class is a subclass of the Dialog class.
Those in-built JavaFX Dialog and Alert classes also have initOwner and initModality and showAndWait methods, so that you can set the modality for them as you wish (note that, by default, the in-built dialogs are application modal).
Recently released JDK 1.8.0_40 added support for JavaFX dialogs, alerts, etc. For example, to show a confirmation dialog, one would use the Alert class:
Alert alert = new Alert(AlertType.CONFIRMATION, "Delete " + selection + " ?", ButtonType.YES, ButtonType.NO, ButtonType.CANCEL); alert.showAndWait(); if (alert.getResult() == ButtonType.YES) { //do stuff } Here's a list of added classes in this release:
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