Java Doc for WindowsComboBoxUI.java in » Swing-Library » jgoodies-looks » com » jgoodies » looks » windows » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Swing Library » jgoodies looks » com.jgoodies.looks.windows

Source Cross Reference Class Diagram Java Document (Java Doc)

com.jgoodies.looks.windows .WindowsComboBoxUI

WindowsComboBoxUI
public class WindowsComboBoxUI extends com.sun.java.swing.plaf.windows.WindowsComboBoxUI (Code)
	The JGoodies Windows Look&Feel implementation of javax.swing.plaf.ComboBoxUI . Corrects the editor insets for editable combo boxes as well as the render insets for non-editable combos. And it has the same height as text fields - unless you change the renderer. Also, this class offers to use the combo's popup prototype display value to compute the popup menu width. This is an optional feature of the JGoodies Windows L&f implemented via a client property key. author: Karsten Lentzsch version: $Revision: 1.19 $ See Also: Options.COMBO_POPUP_PROTOTYPE_DISPLAY_VALUE_KEY

Method Summary
protected void	configureEditor()
protected JButton	createArrowButton() Creates the arrow button that is to be used in the combo box. Overridden to paint black triangles.
protected ComboBoxEditor	createEditor() Creates the editor that is to be used in editable combo boxes.
protected LayoutManager	createLayoutManager() Creates a layout manager for managing the components which make up the combo box. Overriden to use a layout that has a fixed width arrow button.
protected ComboPopup	createPopup() Creates a ComboPopup that honors the optional combo popup display value that is used to compute the popup menu width.
protected ListCellRenderer	createRenderer() Creates the default renderer that will be used in a non-editiable combo box.
public static ComponentUI	createUI(JComponent b)
public Dimension	getMinimumSize(JComponent c) The minumum size is the size of the display area plus insets plus the button.
public Dimension	getPreferredSize(JComponent c) Delegates to #getMinimumSize(Component).
protected void	installListeners()
public void	installUI(JComponent c)
protected boolean	isRendererBorderRemovable(JComponent rendererComponent) Checks and answer whether the border of the given renderer component can be removed temporarily, so the combo's selection background will be consistent with the default renderer and native appearance. This test is invoked from `#paintCurrentValue`. It is safe to remove an EmptyBorder if the component doesn't override `#update`, `#paint` and `#paintBorder`. Since we know the default renderer, we can remove its border. Custom renderers may set a hint to make their border removable. To do so, set the client property "isBorderRemovable" to `Boolean.TRUE`.
public void	paintCurrentValue(Graphics g, Rectangle bounds, boolean hasFocus) Paints the currently selected item.
protected Rectangle	rectangleForCurrentValue() Returns the area that is reserved for drawing the currently selected item.
protected void	uninstallListeners()

Method Detail

configureEditor
protected void configureEditor()(Code)

createArrowButton
protected JButton createArrowButton()(Code)
	Creates the arrow button that is to be used in the combo box. Overridden to paint black triangles.

createEditor
protected ComboBoxEditor createEditor()(Code)
	Creates the editor that is to be used in editable combo boxes. This method only gets called if a custom editor has not already been installed in the JComboBox.

createLayoutManager
protected LayoutManager createLayoutManager()(Code)
	Creates a layout manager for managing the components which make up the combo box. Overriden to use a layout that has a fixed width arrow button. an instance of a layout manager

createPopup
protected ComboPopup createPopup()(Code)
	Creates a ComboPopup that honors the optional combo popup display value that is used to compute the popup menu width.

createRenderer
protected ListCellRenderer createRenderer()(Code)
	Creates the default renderer that will be used in a non-editiable combo box. A default renderer will used only if a renderer has not been explicitly set with `setRenderer`. This method differs from the superclass implementation in that it uses an empty border with the default left and right text insets, the same as used by a combo box editor. a `ListCellRender` used for the combo box See Also: javax.swing.JComboBox.setRenderer

createUI
public static ComponentUI createUI(JComponent b)(Code)

getMinimumSize
public Dimension getMinimumSize(JComponent c)(Code)
	The minumum size is the size of the display area plus insets plus the button.

getPreferredSize
public Dimension getPreferredSize(JComponent c)(Code)
	Delegates to #getMinimumSize(Component). Overridden to return the same result in JDK 1.5 as in JDK 1.4.

installListeners
protected void installListeners()(Code)

installUI
public void installUI(JComponent c)(Code)

isRendererBorderRemovable

protected boolean isRendererBorderRemovable(JComponent rendererComponent)(Code)

Checks and answer whether the border of the given renderer component can be removed temporarily, so the combo's selection background will be consistent with the default renderer and native appearance. This test is invoked from #paintCurrentValue.

It is safe to remove an EmptyBorder if the component doesn't override #update, #paint and #paintBorder. Since we know the default renderer, we can remove its border.

Custom renderers may set a hint to make their border removable. To do so, set the client property "isBorderRemovable" to Boolean.TRUE. If this client property is set, its value will be returned. If it is not set, true is returned if and only if the component's border is an EmptyBorder.
Parameters:
rendererComponent - the renderer component to check true if the component's border can be removed, false if not
See Also: WindowsComboBoxUI.paintCurrentValue(Graphics,Rectangle,boolean)

paintCurrentValue
public void paintCurrentValue(Graphics g, Rectangle bounds, boolean hasFocus)(Code)
	Paints the currently selected item.

rectangleForCurrentValue
protected Rectangle rectangleForCurrentValue()(Code)
	Returns the area that is reserved for drawing the currently selected item.

uninstallListeners
protected void uninstallListeners()(Code)

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