diff options
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java b/BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java deleted file mode 100644 index 7da0bd8..0000000 --- a/BJC-Utils2/src/main/java/bjc/utils/gui/SimpleFileChooser.java +++ /dev/null @@ -1,198 +0,0 @@ -package bjc.utils.gui; - -import java.awt.Component; -import java.io.File; - -import javax.swing.JFileChooser; - -import bjc.utils.exceptions.FileNotChosenException; - -/** - * Utility class for easily prompting user for files. - * - * Built for Swing. - * - * @author ben - * - */ -public class SimpleFileChooser { - private static File doOpenFile(final Component parent, final String title, final JFileChooser files) { - if (title == null) throw new NullPointerException("Title must not be null"); - - files.setDialogTitle(title); - - boolean success = false; - - while (!success) { - try { - maybeDoOpenFile(parent, files); - - success = true; - } catch (final FileNotChosenException fncx) { - // We don't care about specifics - SimpleDialogs.showError(parent, "I/O Error", "Please pick a file to open"); - } - } - - return files.getSelectedFile(); - } - - private static File doSaveFile(final Component parent, final String title, final JFileChooser files) { - if (title == null) throw new NullPointerException("Title must not be null"); - - files.setDialogTitle(title); - - final boolean success = false; - - while (!success) { - try { - maybeDoSaveFile(parent, files); - - return files.getSelectedFile(); - } catch (final FileNotChosenException fncex) { - // We don't care about specifics - SimpleDialogs.showError(parent, "I/O Error", "Please pick a file to save to"); - } - } - } - - /** - * Prompt the user with a "Open File..." dialog. Keeps prompting them - * until they pick a file. - * - * @param parent - * The component to use as the parent for the dialog. - * @param title - * The title of the dialog to prompt with. - * @return The file the user has chosen. - */ - public static File getOpenFile(final Component parent, final String title) { - final JFileChooser files = new JFileChooser(); - - return doOpenFile(parent, title, files); - } - - /** - * Prompt the user with a "Open File..." dialog. Keeps prompting them - * until they pick a file. - * - * @param parent - * The component to use as the parent for the dialog. - * @param title - * The title of the dialog to prompt with. - * @param extensions - * The list of file extensions the file should have. - * @return The file the user has chosen. - */ - public static File getOpenFile(final Component parent, final String title, final String... extensions) { - final JFileChooser files = new JFileChooser(); - - files.addChoosableFileFilter(new ExtensionFileFilter(extensions)); - - return doOpenFile(parent, title, files); - } - - /** - * Prompt the user with a "Save File..." dialog. - * - * @param parent - * The component to use as the parent for the dialog. - * @param title - * The title of the dialog to prompt with. - * @return The file the user chose. - */ - public static File getSaveFile(final Component parent, final String title) { - final JFileChooser files = new JFileChooser(); - - return doSaveFile(parent, title, files); - } - - /** - * Prompt the user with a "Save File..." dialog. - * - * @param parent - * The component to use as the parent for the dialog. - * @param title - * The title of the dialog to prompt with. - * @param extensions - * The extensions of the files the user can choose. - * @return The file the user chose. - */ - public static File getSaveFile(final Component parent, final String title, final String... extensions) { - final JFileChooser files = new JFileChooser(); - - files.addChoosableFileFilter(new ExtensionFileFilter(extensions)); - - return doSaveFile(parent, title, files); - } - - private static void maybeDoOpenFile(final Component parent, final JFileChooser files) - throws FileNotChosenException { - if (parent == null) - throw new NullPointerException("Parent must not be null"); - else if (files == null) throw new NullPointerException("File chooser must not be null"); - - final int result = files.showSaveDialog(parent); - - if (result != JFileChooser.APPROVE_OPTION) throw new FileNotChosenException(); - } - - private static void maybeDoSaveFile(final Component parent, final JFileChooser files) - throws FileNotChosenException { - if (parent == null) - throw new NullPointerException("Parent must not be null"); - else if (files == null) throw new NullPointerException("File chooser must not be null"); - - final int result = files.showSaveDialog(parent); - - if (result != JFileChooser.APPROVE_OPTION) throw new FileNotChosenException(); - } - - /** - * Prompt the user with a "Open File..." dialog. - * - * @param parent - * The component to use as the parent for the dialog. - * @param title - * The title of the dialog to prompt with. - * @return The file if the user chose one or null if they didn't. - */ - public static File maybeOpenFile(final Component parent, final String title) { - if (title == null) throw new NullPointerException("Title must not be null"); - - final JFileChooser files = new JFileChooser(); - files.setDialogTitle(title); - - try { - maybeDoOpenFile(parent, files); - } catch (final FileNotChosenException fncex) { - // We don't care about specifics - } - - return files.getSelectedFile(); - } - - /** - * Prompt the user with a "Save File..." dialog. - * - * @param parent - * The component to use as the parent for the dialog. - * @param title - * The title of the dialog to prompt with. - * @return The file if the user chose one or null if they didn't. - */ - public static File maybeSaveFile(final Component parent, final String title) { - if (title == null) throw new NullPointerException("Title must not be null"); - - final JFileChooser files = new JFileChooser(); - files.setDialogTitle(title); - - try { - maybeDoSaveFile(parent, files); - } catch (final FileNotChosenException fncex) { - // We don't care about specifics - } - - return files.getSelectedFile(); - } -} |