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The Java Developers Almanac 1.4Order this book from Amazon. |
e954. Preventing Invalid Values in a Cell in a JTable ComponentThis example demonstrates how to modify a custom table cell editor to prevent invalid values from being saved. See e953 Creating a Custom Table Cell Editor in a JTable Component for more information about table cell editors.public class MyTableCellEditor extends AbstractCellEditor implements TableCellEditor { // See e953 Creating a Custom Table Cell Editor in a JTable Component // for other methods that need to be implemented. // This method is called just before the cell value // is saved. If the value is not valid, false should be returned. public boolean stopCellEditing() { String s = (String)getCellEditorValue(); if (!isValid(s)) { // Should display an error message at this point return false; } return super.stopCellEditing(); } }
e955. Setting the Activation Click Count for a Table Cell Editor in a JTable Component e956. Programmatically Starting and Stopping Cell Editing in a JTable Component e957. Creating a Text Field That Mirrors the Value in the Anchor Cell in a JTable Component e958. Disabling User Edits in a JTable Component e959. Using a JComboBox in a Cell in a JTable Component e960. Using a List JSpinner as a Cell Editor in a JTable Component
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