Session 3Module 5: Swing Advanced ControlsModule 6: Internationalization

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Module 3 Review

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Module 4 Review

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Module 5: Swing Advanced Controls Objectives

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javax.swing.JColorChooser class

Swatches: sample colorsHSB: Hue, Saturation, BrightnessRGB: Red Green Blue

Constructors:JColorChooser()JColorChooser(java.awt.Color initColor)

Methods:ColorSelectionModel getSelectionModel()Color getColor()void setColor (Color c)Color showDialog(Component container ,String title ,Color initColor)

Event handling:javax.swing.event.ChangeEventjavax.swing.event.ChangeListenerpublic void stateChanged(ChangeEvent e)

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javax.swing.JList class• JList displays a groups of items in one or more columns.• JList does not support scrolling inherently.• Add JList to a JScrollPane to support scrolling functionality.

ConstructorsJList()JList ( Object[] dataItems)JList ( Vector vectorItems)

Common used Methods

Event handling:ListSelectionEventListSelectionListenerpublic void valueChanged(ListSelectionEvent e)

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javax.swing.JComboBox class

Common used methods

Event handling:ActionEventActionListenerpublic void actionPerformed(ActionEvent e)

ItemEventItemListenerpublic void itemStateChanged(ItemEvent e)

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javax.swingJTable class

Column Headers

data

Event handling:MouseEventMouseListener public void mouseClicked( MouseEvent e)

Common used methods

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javax.swing.JTree class

Event Handlingjavax.swing.event.TreeSelectionEventjavax.swing.event.TreeSelectionListenerpublic void valueChanged(TreeSelectionEvent e)

javax.swing.event.TreeExpansionEventjavax.swing.event.TreeExpansionListenerpublic void treeExpanded(TreeExpansionEvent e)public void treeCollapsed(TreeExpansionEvent e)

javax.swing.event.TreeWillExpandEventjavax.swing.event.TreeWillExpandListenerpublic void treeWillExpand(TreeWillExpandEvent e)public void treeWillCollapse(TreeWillExpandEvent e)

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Event HandlingChangeEventChangeListenerpublic void stateChanged(ChangeEvent e

javax.swing.JTabbedPane class

ConstructorsJTabbedPane()JTabbedPane( int direction)

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javax.swing.JSplitPane classConstructors:JSplitPane() // side by side, no continuous layoutJSplitPane(int direction )JSplitPane(int direction , boolean continuous)JSplitPane(int direction, boolean continuous, Component comp1, Component comp2)

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Module 5 Summary

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Module 6: Internationalization

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Need of Internationalization

X Internationalization

• Component Captions • Formatting numbers• Formatting date and time• Messages

Where should you use internationalization?

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Unicode

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Creating a Properties File

Examples

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Defining Locale: Locale Class

Example:

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ResourceBundle Class

public static ResourceBundle getBundle (String propertiesFileName, Locale obj)

Fetching the text from ResourceBundle

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Classes for formatting

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Class java.text.NumberFormat:Format numbers, currencies, percentages

• Abstract class• static NumberFormat getInstance() // default locale• static NumberFormat getInstance(Locale inLocale) • static NumberFormat getNumberInstance() • static NumberFormat getNumberInstance(Locale inLocale) • static NumberFormat getIntegerInstance() • static NumberFormat getIntegerInstance(Locale inLocale) • static NumberFormat getCurrencyInstance() • static NumberFormat getCurrencyInstance(Locale inLocale ) • static NumberFormat getPercentInstance() • static NumberFormat getPercentInstance(Locale inLocale) • String format(double number) • String format(long number)• get/set minimumFractionDigits• get/set maximunFractionDigits• get/set minimumIntegerDigits

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public asbtract class java.text.DateFormat

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Class public java.text.SimpleDateFormat

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Class public java.text.SimpleDateFormat

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Class java.text.MessageFormat

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Procedure to use MessageFormat class

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MessageFormat class

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Module 6 Summary