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Class com.sun.java.swing.JTextField

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Container
                   |
                   +----com.sun.java.swing.JComponent
                           |
                           +----com.sun.java.swing.text.JTextComponent
                                   |
                                   +----com.sun.java.swing.JTextField

public class JTextField

extends JTextComponent

notifyAction

Name of the action to send notification that the contents of the field have been accepted.

JTextField()

Constructs a new TextField.

JTextField(Document, String, int)

Constructs a new JTextField that uses the given text storage model and the given number of columns.

JTextField(int)

Constructs a new empty TextField with the specified number of columns.

JTextField(String)

Constructs a new TextField initialized with the specified text.

JTextField(String, int)

Constructs a new TextField initialized with the specified text and columns.

addActionListener(ActionListener)

Adds the specified action listener to recieve action events from this textfield.

createDefaultModel()

Creates the default implementation of the model to be used at construction if one isn't explicitly given.

getActions()

Fetch the command list for the editor.

getColumns()

Returns the number of columns in this TextField.

getColumnWidth()

The meaning of what a column is can be considered a fairly weak notion for some fonts.

getMinimumSize()

Returns the minimum size Dimensions needed for this TextField.

getPreferredSize()

Returns the preferred size Dimensions needed for this TextField.

paramString()

Returns the String of parameters for this JTextField.

postActionEvent()

Processes action events occurring on this textfield by dispatching them to any registered ActionListener objects.

removeActionListener(ActionListener)

Removes the specified action listener so that it no longer receives action events from this textfield.

setActionCommand(String)

Sets the command string used for action events.

setColumns(int)

Sets the number of columns in this TextField.

setFont(Font)

Sets the current font.

updateUI()

Reload the pluggable UI.

 public static final String notifyAction

Name of the action to send notification that the contents of the field have been accepted. Typically this is bound to a carriage-return.

 public JTextField()

Constructs a new TextField.

 public JTextField(String text)

Constructs a new TextField initialized with the specified text.

Parameters:

text - the text to be displayed

 public JTextField(int columns)

Constructs a new empty TextField with the specified number of columns.

Parameters:

columns - the number of columns

 public JTextField(String text,
                   int columns)

Constructs a new TextField initialized with the specified text and columns.

Parameters:

text - the text to be displayed

columns - the number of columns

 public JTextField(Document doc,
                   String text,
                   int columns)

Constructs a new JTextField that uses the given text storage model and the given number of columns. This is the constructor through which the other constructors feed.

Parameters:

doc - The text storage to use.

columns - The number of columns to use to calculate the preferred width. If columns is set to zero, the preferred width will be whatever naturally results from the component implementation.

text - The initial string to display.

 public void updateUI()

Reload the pluggable UI. The key used to fetch the new interface is TextFieldUI.

Overrides:

updateUI in class JComponent

 protected Document createDefaultModel()

Creates the default implementation of the model to be used at construction if one isn't explicitly given.

 public int getColumns()

Returns the number of columns in this TextField.

 public void setColumns(int columns)

Sets the number of columns in this TextField.

Parameters:

columns - the number of columns

Throws: IllegalArgumentException

If columns is less than 0.

 protected int getColumnWidth()

The meaning of what a column is can be considered a fairly weak notion for some fonts. This method is used to define the width of a column. By default this is defined to be the width of the character m for the font used. This method can be redefined to be some alternative amount

 public Dimension getPreferredSize()

Returns the preferred size Dimensions needed for this TextField. If a non-zero number of columns has been set, the

Overrides:

getPreferredSize in class JComponent

 public Dimension getMinimumSize()

Returns the minimum size Dimensions needed for this TextField. This defaults to the preferred size.

Overrides:

getMinimumSize in class JComponent

 public void setFont(Font f)

Sets the current font. This removes cached row height and column width so the new font will be reflected.

Overrides:

setFont in class Component

 public synchronized void addActionListener(ActionListener l)

Adds the specified action listener to recieve action events from this textfield.

Parameters:

l - the action listener

 public synchronized void removeActionListener(ActionListener l)

Removes the specified action listener so that it no longer receives action events from this textfield.

Parameters:

l - the action listener

 public void setActionCommand(String command)

Sets the command string used for action events.

 public Action[] getActions()

Fetch the command list for the editor. This is the list of commands supported by the plugged-in UI augmented by the collection of commands that the editor itself supports. These are useful for binding to events, such as in a keymap.

Overrides:

getActions in class JTextComponent

 public void postActionEvent()

Processes action events occurring on this textfield by dispatching them to any registered ActionListener objects. This is normally called by the controller registered with textfield.

 protected String paramString()

Returns the String of parameters for this JTextField.

Overrides:

paramString in class Container

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