javax.swing.text.html

Class FormView

java.lang.Object

javax.swing.text.View

javax.swing.text.ComponentView

javax.swing.text.html.FormView

All Implemented Interfaces:

ActionListener, EventListener, SwingConstants

public class FormView
extends ComponentView
implements ActionListener

A View that renders HTML form elements like buttons and input fields. This is implemented as a ComponentView that creates different Swing component depending on the type and setting of the different form elements. Namely, this view creates the following components:

Element type	Swing component
input, button	JButton
input, checkbox	JButton
input, image	JButton
input, password	JButton
input, radio	JButton
input, reset	JButton
input, submit	JButton
input, text	JButton
select, size > 1 or with multiple attribute	JList in JScrollPane
select, size unspecified or == 1	JComboBox
textarea, text	JTextArea in JScrollPane
input, file	JTextField

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	FormView.MouseEventListener

Field Summary

Fields

Modifier and Type	Field and Description
static String	RESET Deprecated. As of JDK1.3 the value is fetched from the UIManager property FormView.resetButtonText.
static String	SUBMIT Deprecated. As of JDK1.3 the value is fetched from the UIManager property FormView.submitButtonText.

Fields inherited from class javax.swing.text.View

BadBreakWeight, ExcellentBreakWeight, ForcedBreakWeight, GoodBreakWeight, X_AXIS, Y_AXIS

Fields inherited from interface javax.swing.SwingConstants

BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST

Constructor Summary

Constructors

Constructor and Description
FormView(Element el) Creates a new FormView.

Method Summary

Methods

Modifier and Type	Method and Description
void	actionPerformed(ActionEvent ev) Processes an action from the Swing component.
protected Component	createComponent() Creates the correct AWT component for rendering the form element.
float	getMaximumSpan(int axis) Determines the maximum span for this view on the specified axis.
protected void	imageSubmit(String imageData) Submits the form data in response to a click on a <input type="image"> element.
protected void	submitData(String data) Submits the form data.

Methods inherited from class javax.swing.text.ComponentView

getAlignment, getComponent, getMinimumSpan, getPreferredSpan, modelToView, paint, setParent, viewToModel

Methods inherited from class javax.swing.text.View

append, breakView, changedUpdate, createFragment, dump, forwardUpdate, forwardUpdateToView, getAttributes, getBreakWeight, getChildAllocation, getContainer, getDocument, getElement, getEndOffset, getGraphics, getNextVisualPositionFrom, getParent, getResizeWeight, getStartOffset, getToolTipText, getView, getViewCount, getViewFactory, getViewIndex, getViewIndex, insert, insertUpdate, isVisible, modelToView, modelToView, preferenceChanged, remove, removeAll, removeUpdate, replace, setSize, updateChildren, updateLayout, viewToModel

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SUBMIT

public static final String SUBMIT

Deprecated. As of JDK1.3 the value is fetched from the UIManager property FormView.submitButtonText.

If the value attribute of an <input type="submit">> tag is not specified, then this string is used.

RESET

public static final String RESET

Deprecated. As of JDK1.3 the value is fetched from the UIManager property FormView.resetButtonText.

If the value attribute of an <input type="reset">> tag is not specified, then this string is used.

Constructor Detail

FormView

public FormView(Element el)

Creates a new FormView.

Parameters:

el - the element that is displayed by this view.

Method Detail

createComponent

protected Component createComponent()

Creates the correct AWT component for rendering the form element.

Overrides:

createComponent in class ComponentView

Returns:

the component that is rendered

getMaximumSpan

public float getMaximumSpan(int axis)

Determines the maximum span for this view on the specified axis.

Overrides:

getMaximumSpan in class ComponentView

Parameters:

axis - the axis along which to determine the span

Returns:

the maximum span for this view on the specified axis

Throws:

IllegalArgumentException - if the axis is invalid

actionPerformed

public void actionPerformed(ActionEvent ev)

Processes an action from the Swing component. If the action comes from a submit button, the form is submitted by calling submitData(java.lang.String). In the case of a reset button, the form is reset to the original state. If the action comes from a password or text field, then the input focus is transferred to the next input element in the form, unless this text/password field is the last one, in which case the form is submitted.

Specified by:

actionPerformed in interface ActionListener

Parameters:

ev - the action event

submitData

protected void submitData(String data)

Submits the form data. A separate thread is created to do the transmission.

Parameters:

data - the form data

imageSubmit

protected void imageSubmit(String imageData)

Submits the form data in response to a click on a <input type="image"> element.

Parameters:

imageData - the mouse click coordinates