File Extension Stage

1. File Tax Extension

Provides support for standard platform file dialogs. These dialogs have look and feel of the platform UI components which is independent of JavaFX.

On some platforms where file access may be restricted or not part of the user model (for example, on some mobile or embedded devices), opening a file dialog may always result in a no-op (that is, null file(s) being returned).

A FileChooser can be used to invoke file open dialogs for selecting single file (showOpenDialog), file open dialogs for selecting multiple files (showOpenMultipleDialog) and file save dialogs (showSaveDialog). The configuration of the displayed dialog is controlled by the values of the FileChooser properties set before the corresponding show*Dialog method is called. This configuration includes the dialog's title, the initial directory displayed in the dialog and the extension filter(s) for the listed files. For configuration properties which values haven't been set explicitly, the displayed dialog uses their platform default values. A call to a show dialog method is blocked until the user makes a choice or cancels the dialog. The return value specifies the selected file(s) or equals to null if the dialog has been canceled.

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Example:

File Tax Extension

• • Constructor Detail

    • FileChooser.ExtensionFilter

      Creates an ExtensionFilter with the specified description and the file name extensions.

      File name extension should be specified in the *.<extension> format.

      Parameters:

      description - the textual description for the filter

      extensions - the accepted file name extensions

      Throws:

      java.lang.NullPointerException - if the description or the extensions are null

      java.lang.IllegalArgumentException - if the description or the extensions are empty

    • FileChooser.ExtensionFilter

      Creates an ExtensionFilter with the specified description and the file name extensions.

      File name extension should be specified in the *.<extension> format.

      Parameters:

      description - the textual description for the filter

      extensions - the accepted file name extensions

      Throws:

      java.lang.NullPointerException - if the description or the extensions are null

      java.lang.IllegalArgumentException - if the description or the extensions are empty

  • Method Detail

    • getDescription

      Returns:

      the description

    • getExtensions

      Gets the file name extensions for this ExtensionFilter.

      The returned list is unmodifiable and will throw UnsupportedOperationException on each modification attempt.

      Returns:

      the file name extensions