javax.swing.text.html
Class FormView
- java.lang.Object
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- javax.swing.text.View
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- javax.swing.text.ComponentView
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- javax.swing.text.html.FormView
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- All Implemented Interfaces:
- ActionListener, EventListener, SwingConstants
public class FormView extends ComponentView implements ActionListener
Component decorator that implements the view interface for form elements, <input>, <textarea>, and <select>. The model for the component is stored as an attribute of the the element (using StyleConstants.ModelAttribute), and is used to build the component of the view. The type of the model is assumed to of the type that would be set byHTMLDocument.HTMLReader.FormAction. If there are multiple views mapped over the document, they will share the embedded component models.The following table shows what components get built by this view.
Element Type Component built input, type button JButton input, type checkbox JCheckBox input, type image JButton input, type password JPasswordField input, type radio JRadioButton input, type reset JButton input, type submit JButton input, type text JTextField select, size > 1 or multiple attribute defined JList in a JScrollPane select, size unspecified or 1 JComboBox textarea JTextArea in a JScrollPane input, type file JTextField
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Nested Class Summary
Nested Classes Modifier and Type Class and Description protected classFormView.MouseEventListenerMouseEventListener class to handle form submissions when an input with type equal to image is clicked on.
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Field Summary
Fields Modifier and Type Field and Description static StringRESETDeprecated.As of 1.3, value comes from UIManager UIManager property FormView.resetButtonTextstatic StringSUBMITDeprecated.As of 1.3, value now comes from UIManager property FormView.submitButtonText-
Fields inherited from class javax.swing.text.View
BadBreakWeight, ExcellentBreakWeight, ForcedBreakWeight, GoodBreakWeight, X_AXIS, Y_AXIS
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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
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Constructor Summary
Constructors Constructor and Description FormView(Element elem)Creates a new FormView object.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description voidactionPerformed(ActionEvent evt)Responsible for processing the ActionEvent.protected ComponentcreateComponent()Create the component.floatgetMaximumSpan(int axis)Determines the maximum span for this view along an axis.protected voidimageSubmit(String imageData)This method is called to submit a form in response to a click on an image -- an <INPUT> form element of type "image".protected voidsubmitData(String data)This method is responsible for submitting the form data.-
Methods inherited from class javax.swing.text.ComponentView
getAlignment, getComponent, getMinimumSpan, getPreferredSpan, modelToView, paint, setParent, viewToModel
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Methods inherited from class javax.swing.text.View
append, breakView, changedUpdate, createFragment, 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
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Field Detail
SUBMIT
@Deprecated public static final String SUBMIT
Deprecated. As of 1.3, value now comes from UIManager property FormView.submitButtonTextIf a value attribute is not specified for a FORM input element of type "submit", then this default string is used.
RESET
@Deprecated public static final String RESET
Deprecated. As of 1.3, value comes from UIManager UIManager property FormView.resetButtonTextIf a value attribute is not specified for a FORM input element of type "reset", then this default string is used.
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Constructor Detail
FormView
public FormView(Element elem)
Creates a new FormView object.- Parameters:
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elem- the element to decorate
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Method Detail
createComponent
protected Component createComponent()
Create the component. This is basically a big switch statement based upon the tag type and html attributes of the associated element.- Overrides:
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createComponentin classComponentView
getMaximumSpan
public float getMaximumSpan(int axis)
Determines the maximum span for this view along an axis. For certain components, the maximum and preferred span are the same. For others this will return the value returned by Component.getMaximumSize along the axis of interest.- Overrides:
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getMaximumSpanin classComponentView - Parameters:
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axis- may be either View.X_AXIS or View.Y_AXIS - Returns:
- the span the view would like to be rendered into >= 0. Typically the view is told to render into the span that is returned, although there is no guarantee. The parent may choose to resize or break the view.
- Throws:
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IllegalArgumentException- for an invalid axis - See Also:
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View.getPreferredSpan(int)
actionPerformed
public void actionPerformed(ActionEvent evt)
Responsible for processing the ActionEvent. If the element associated with the FormView, has a type of "submit", "reset", "text" or "password" then the action is processed. In the case of a "submit" the form is submitted. In the case of a "reset" the form is reset to its original state. In the case of "text" or "password", if the element is the last one of type "text" or "password", the form is submitted. Otherwise, focus is transferred to the next component in the form.- Specified by:
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actionPerformedin interfaceActionListener - Parameters:
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evt- the ActionEvent.
submitData
protected void submitData(String data)
This method is responsible for submitting the form data. A thread is forked to undertake the submission.
imageSubmit
protected void imageSubmit(String imageData)
This method is called to submit a form in response to a click on an image -- an <INPUT> form element of type "image".- Parameters:
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imageData- the mouse click coordinates.
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Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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