Method saveAs

src/org/opensourcephysics/tools/DataTool.java:2404–2430

Saves the current tab to a file selected with a chooser. @return the name of the saved file, or null if not saved

()

	 * @return the name of the saved file, or null if not saved
	 */
	protected String saveAs() {
		int result = OSPRuntime.getChooser().showSaveDialog(this);
		if (result == JFileChooser.APPROVE_OPTION) {
			OSPRuntime.chooserDir = OSPRuntime.getChooser().getCurrentDirectory().toString();
			File file = OSPRuntime.getChooser().getSelectedFile();
			// check to see if file already exists
			if (file.exists()) {
				int selected = JOptionPane.showConfirmDialog(null,
						ToolsRes.getString("Tool.Dialog.ReplaceFile.Message") + " " + file.getName() + "?", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
						ToolsRes.getString("Tool.Dialog.ReplaceFile.Title"), //$NON-NLS-1$
						JOptionPane.YES_NO_CANCEL_OPTION);
				if (selected != JOptionPane.YES_OPTION) {
					return null;
				}
			}
			String fileName = file.getAbsolutePath();
			if ((fileName == null) || fileName.trim().equals("")) { //$NON-NLS-1$
				return null;
			}
			// add .xml extension if none but don't require it
			if (XML.getExtension(fileName) == null) {
				fileName += ".xml"; //$NON-NLS-1$
			}
			return save(XML.getRelativePath(fileName));
		}
		return null;
	}

	/**
	 * Returns the index of the tab containing the specified Data object.