javax.swing.JComboBox#setBackground ( )源码实例Demo

/** Create a choice menu.
 *  @param name The name used to identify the entry (when calling get).
 *  @param label The label to attach to the entry.
 *  @param values The list of possible choices.
 *  @param defaultChoice Default choice.
 *  @param editable True if an arbitrary choice can be entered, in addition
 *   to the choices in values.
 *  @param background The background color for the editable part.
 */
public void addChoice(
        String name,
        String label,
        String[] values,
        String defaultChoice,
        boolean editable,
        Color background) {
    JLabel lbl = new JLabel(label + ": ");
    lbl.setBackground(_background);
    JComboBox combobox = new JComboBox(values);
    combobox.setEditable(editable);
    // FIXME: Typical of Swing, the following does not set
    // the background color.  How does one set the background
    // color?
    combobox.setBackground(background);
    combobox.setSelectedItem(defaultChoice);
    _addPair(name, lbl, combobox, combobox);
    // Add the listener last so that there is no notification
    // of the first value.
    combobox.addItemListener(new QueryItemListener(name));
}
 

@Override
public TableCellEditor getCellEditor(int row, int column) {
	List<String> usedTypes = new LinkedList<String>();
	for (int i = 0; i < Ontology.VALUE_TYPE_NAMES.length; i++) {
		if ((i != Ontology.ATTRIBUTE_VALUE) && (i != Ontology.FILE_PATH)
				&& (!Ontology.ATTRIBUTE_VALUE_TYPE.isA(i, Ontology.DATE_TIME))) {
			usedTypes.add(Ontology.ATTRIBUTE_VALUE_TYPE.mapIndex(i));
		}
	}
	String[] valueTypes = new String[usedTypes.size()];
	int vCounter = 0;
	for (String type : usedTypes) {
		valueTypes[vCounter++] = type;
	}
	JComboBox<String> typeBox = new JComboBox<>(valueTypes);
	typeBox.setBackground(javax.swing.UIManager.getColor("Table.cellBackground"));
	return new DefaultCellEditor(typeBox);
}
 

private static JComboBox<String> buildProductFormatNamesComboBox(Insets defaultListItemMargins, int textFieldPreferredHeight, String[] availableFormatNames) {
    JComboBox<String> productFormatNameComboBox = new JComboBox<String>(availableFormatNames);
    Dimension formatNameComboBoxSize = productFormatNameComboBox.getPreferredSize();
    formatNameComboBoxSize.height = textFieldPreferredHeight;
    productFormatNameComboBox.setPreferredSize(formatNameComboBoxSize);
    productFormatNameComboBox.setMinimumSize(formatNameComboBoxSize);
    LabelListCellRenderer<String> renderer = new LabelListCellRenderer<String>(defaultListItemMargins) {
        @Override
        protected String getItemDisplayText(String value) {
            return value;
        }
    };
    productFormatNameComboBox.setMaximumRowCount(5);
    productFormatNameComboBox.setRenderer(renderer);
    productFormatNameComboBox.setBackground(new Color(0, 0, 0, 0)); // set the transparent color
    productFormatNameComboBox.setOpaque(true);

    return productFormatNameComboBox;
}
 

@Override
public TableCellEditor getCellEditor(int row, int column) {
	JComboBox<String> typeBox = new JComboBox<>(Attributes.KNOWN_ATTRIBUTE_TYPES);
	typeBox.setEditable(true);
	typeBox.setBackground(javax.swing.UIManager.getColor("Table.cellBackground"));
	return new DefaultCellEditor(typeBox);
}
 

private static<T> void setComboBoxProperties(JComboBox<T> comboBox, ImageInfoReader imageInfoReader) {
	comboBox.setOpaque(false);
	comboBox.setBackground(ColorPalette.FOREGROUND_COLOR);
	comboBox.setForeground(ColorPalette.FOREGROUND_COLOR);
	comboBox.setFont(Fonts.FONT);
	
	comboBox.setUI(new MetalComboBoxUI() {

		@Override
		protected ComboPopup createPopup() {
			return new TiledImageComboPopup( comboBox, imageInfoReader );
		}
	});
}
 

public static JComboBox<String> createJComboBox(String[] items, int width, int height, String toolTip) {

		JComboBox<String> comboBox = new JComboBox<String>(items);
		comboBox.setPreferredSize(new java.awt.Dimension(width, height));
		comboBox.setBackground(java.awt.Color.white);
		comboBox.setFont(JPlagCreator.SYSTEM_FONT);
		if (toolTip != null)
			comboBox.setToolTipText(toolTip);
		return comboBox;

	}
 

public JComboBox addChoice(String label, String[] items, int selected, Setter setter) {
	addLabel(label);
	JComboBox choice = new JComboBox(items);
	choice.setBackground(Color.white);
	choice.setSelectedIndex(selected);
	choice.addActionListener(tl);
	all.add(choice);
	addField(choice, setter);
	return choice;
}
 

public URLImportDialog(SwingClientApplication client) {
	super(client.getMainFrame(), true);
	if(recentURLs == null){
		recentURLs = new LinkedList<String>();
	}
	
	this.client = client;
	this.setTitle("Import data from URL");
	this.setModal(true);
	
	label = new JLabel("Insert URL");
	label.setFont(label.getFont().deriveFont(Font.BOLD));
	label.setPreferredSize(LABEL_SIZE);
	
	folderNameCombo = new JComboBox(ImportUtils.getFolderNames(true).toArray());
	folderNameCombo.setEditable(true);
	
	skipCheckBox = new JCheckBox(VisualConstants.getImportDirectlyText());
	if (!Session.getSession().getApplication().isStandalone()) {
		skipCheckBox.setSelected(true);
	} else {
		skipCheckBox.setSelected(false);
	}
	
	okButton = new JButton("OK");
	okButton.setPreferredSize(BUTTON_SIZE);
	okButton.addActionListener(this);
	
	cancelButton = new JButton("Cancel");
	cancelButton.setPreferredSize(BUTTON_SIZE);
	cancelButton.addActionListener(this);
	
	String[] comboValues = new String[recentURLs.size() + 1];
	comboValues[0] = "http://";
	for(int i = 0; i < recentURLs.size(); i++){
		comboValues[i+1] = recentURLs.get(i);
	}
	URLComboBox = new JComboBox(comboValues);
	URLComboBox.setBackground(Color.WHITE);
	URLComboBox.setPreferredSize(COMBO_SIZE);
	URLComboBox.setEditable(true);
			
	GridBagConstraints c = new GridBagConstraints();
	
	this.setLayout(new GridBagLayout());
	// Label
	c.anchor = GridBagConstraints.WEST;
	c.insets.set(10, 10, 5, 10);
	c.gridx = 0; 
	c.gridy = 0;
	this.add(label, c);
	
	// Combobox
	c.insets.set(0,10,10,10);		
	c.gridy++;
	this.add(URLComboBox, c);
	
	c.insets.set(10,10,5,10);
	c.gridy++;
	this.add(new JLabel("Insert in folder"),c);
	
	c.fill = GridBagConstraints.HORIZONTAL;
	c.insets.set(0,10,10,10);
	c.gridy++;
	this.add(folderNameCombo,c);
	

	c.insets.set(10, 10, 10, 10);
	c.anchor = GridBagConstraints.EAST;
	c.gridy++;
	this.add(skipCheckBox,c);
	c.fill = GridBagConstraints.HORIZONTAL;
	c.gridy++;
	JPanel keepButtonsRightPanel = new JPanel();
	keepButtonsRightPanel.add(okButton);
	keepButtonsRightPanel.add(cancelButton);
	this.add(keepButtonsRightPanel, c);
	
	this.pack();
	this.setLocationRelativeTo(null);
	URLComboBox.requestFocusInWindow();
	this.setVisible(true);
}