Example usage for javax.swing JTextField select

Introduction

In this page you can find the example usage for javax.swing JTextField select.

Prototype

public void select(int selectionStart, int selectionEnd) 

Source Link

Document

Selects the text between the specified start and end positions.

Usage

From source file:com.osparking.osparking.Settings_System.java

/**
 * Checks if natural number is entered and give warning when non-numeric entered.
 * @param textField field whose text is supposed to contain a number
 * @param dialogTitle title of the dialog box that will be shown when non-natural number string is entered
 * @return <b>true</b> when a natural number is in the <code>textField</code>, 
 * <b>false</b> otherwise/*from  ww  w.  ja  v a2s.c om*/
 */
private boolean TextFieldNumericValueOK(JTextField textField, String dialogTitle) {
    // Check if empty string or numeric 0 were entered. 
    String input = textField.getText().trim();

    input = removeNonNumeric(input);

    if (input.length() == 0 || Integer.parseInt(input) == 0) {
        JOptionPane.showConfirmDialog(this, "Enter a value of 1 or more ..", dialogTitle,
                JOptionPane.PLAIN_MESSAGE, WARNING_MESSAGE);
        textField.requestFocusInWindow();
        textField.select(0, input.length());
        return false;
    } else {
        return true;
    }
}

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