fontdialog.java

具有不同语法高亮的编辑器实例

			else {
				String old = sampleTextLabel.getText();
				sampleTextLabel.setText(old.substring(9, old.length()-4));
			}
		}

		else if (actionCommand.equals("Color")) {
			Color tempColor = JColorChooser.showDialog(null, "Font Color", sampleTextLabel.getForeground());
			if (tempColor != null) {
				sampleTextLabel.setForeground(tempColor);
				this.repaint();
			}
		}

		else if (actionCommand.equals("OK")) {
			selectedFont = sampleTextLabel.getFont();
			selectedColor = sampleTextLabel.getForeground();
			this.setVisible(false);
		}

		else if (actionCommand.equals("Cancel")) {
			selectedFont = null;
			selectedColor = null;
			this.setVisible(false);
		}

	}


/*****************************************************************************/


	/**
	 * Returns the label being used for the font list.
	 *
	 * @return The label for the font list.
	 * @see #setFontLabel
	 */
	public final String getFontLabel() {
		return fontChooserLabel.getText();
	}


/*****************************************************************************/


	/**
	 * Returns the label being used for the font sample area.
	 *
	 * @return The label for the font sample area.
	 * @see #setFontSampleLabel
	 */
	public final String getFontSampleLabel() {
		return sampleLabel;
	}


/*****************************************************************************/


	/**
	 * Returns the text being used for the font sample.
	 *
	 * @return The text being used for the font sample.
	 * @see #setFontSampleText
	 */
	public final String getFontSampleText() {
		return sampleTextLabel.getText();
	}


/*****************************************************************************/


	/**
	 * Returns the label being used for the font size list.
	 *
	 * @return The label for the font size list.
	 * @see #setFontSizeLabel
	 */
	public final String getFontSizeLabel() {
		return sizeLabel.getText();
	}


/*****************************************************************************/


	/**
	 * Returns the label being used for the font style checkbox area.
	 *
	 * @return The label for the font style checkbox area.
	 * @see #setFontStyleLabel
	 */
	public final String getFontStyleLabel() {
		return styleLabel;
	}


/*****************************************************************************/


	/**
	 * Gets the color last chosen to use for fonts.
	 *
	 * @return The color to use for the current font, or <code>null</code> if
	 *         the dialog was cancelled.
	 */
	public Color getSelectedColor() {
		return selectedColor;
	}


/*****************************************************************************/


	/**
	 * Gets the font last selected to use.
	 *
	 * @return The font to use for the current font, or <code>null</code>
	 *         if the dialog was cancelled.
	 * @see #getUnderlineSelected
	 */
	public Font getSelectedFont() {
		return selectedFont;
	}


/*****************************************************************************/


	/**
	 * Returns whether or not the user checked the "Underline" check box.
	 * Note that if this dialog was created such that "Underline" is not
	 * selectable, this method will always return <code>false</code>.
	 *
	 * @return Whether or not "underline" was selected.
	 * @see #setUnderlineSelected
	 */
	public boolean getUnderlineSelected() {
		return underlineCheckBox==null ? false :
								underlineCheckBox.isSelected();
	}


/*****************************************************************************/


	/**
	 * Sets the label being used for the font list.
	 *
	 * @param text The label for the font list.
	 * @see #getFontLabel
	 */
	public void setFontLabel(String text) {
		fontChooserLabel.setText(text);
	}


/*****************************************************************************/


	/**
	 * Sets the label being used for the font sample area.
	 *
	 * @param text The label for the font sample area.
	 * @see #getFontSampleLabel
	 */
	public void setFontSampleLabel(String text) {
		sampleLabel = text;
		samplePanel.setBorder(BorderFactory.createCompoundBorder(
					UIUtilities.getEmpty5Border(),
					BorderFactory.createCompoundBorder(
						BorderFactory.createTitledBorder(sampleLabel),
						BorderFactory.createCompoundBorder(
							UIUtilities.getEmpty5Border(),
							BorderFactory.createBevelBorder(BevelBorder.LOWERED)))));
	}


/*****************************************************************************/


	/**
	 * Sets the text being used for the font sample.
	 *
	 * @param text The text to use for the font sample.
	 * @see #getFontSampleText
	 */
	public void setFontSampleText(String text) {
		sampleTextLabel.setText(text);
	}


/*****************************************************************************/


	/**
	 * Sets the label to use for the font size list.
	 *
	 * @param text The label to usefor the font size list.
	 * @see #getFontSizeLabel
	 */
	public void setFontSizeLabel(String text) {
		sizeLabel.setText(text);
	}


/*****************************************************************************/


	/**
	 * Sets the label to use for the font style checkbox area.
	 *
	 * @param text The label for the font style checkbox area.
	 * @see #getFontStyleLabel
	 */
	public void setFontStyleLabel(String text) {
		styleLabel = text;
		fontFormatPanel.setBorder(
			BorderFactory.createCompoundBorder(
							BorderFactory.createTitledBorder(styleLabel),
							UIUtilities.getEmpty5Border()));
	}


/*****************************************************************************/


	/**
	 * Sets the currently selected font.
	 *
	 * @param toSelect The new currently-selected font.
	 * @param color The color to use as the font color.
	 */
	public void setSelectedFont(Font toSelect, Color color) {

		// Null is not a valid font.
		if (toSelect==null)
			return;

		// TODO: Find index of font to select with a case-insensitive
		// string comparator.
		sampleTextLabel.setForeground(color!=null ? color : Color.BLACK);
		fontList.setSelectedValue(toSelect.getFamily(), true);
		fontList.ensureIndexIsVisible(fontList.getSelectedIndex());
		boldCheckBox.setSelected(toSelect.isBold());
		italicCheckBox.setSelected(toSelect.isItalic());
		//underlineCheckBox.setSelected(toSelect.isUnderline());
		fontSizeList.setSelectedValue((new Integer(toSelect.getSize())).toString(), true);
		fontSizeList.ensureIndexIsVisible(fontSizeList.getSelectedIndex());

	}


/*****************************************************************************/


	/**
	 * Sets or clears the "Underline" check box.
	 * Note that if this dialog was created such that "Underline" is not
	 * selectable, this method does nothing.
	 *
	 * @param underline Whether or not the Underline check box should be
	 *        selected.
	 * @see #getUnderlineSelected
	 */
	public void setUnderlineSelected(boolean underline) {
		if (underlineCheckBox.isEnabled())
			underlineCheckBox.setSelected(underline);
	}


/*****************************************************************************/


	// Listen for when they change font or font size.
	public void valueChanged(ListSelectionEvent e) {

		ListSelectionModel lsm = (ListSelectionModel)e.getSource();

		// If they've chosen a new font, update the sample.
		if (lsm == fontList.getSelectionModel()) {
			Font newFont = new Font((String)fontList.getSelectedValue(), properties, size);
			sampleTextLabel.setFont(newFont);
		}

		// If they've chosen a new font size, also update the sample.
		else if (lsm == fontSizeList.getSelectionModel()) {
			size = Integer.parseInt((String)fontSizeList.getSelectedValue() );
			Font newFont = sampleTextLabel.getFont().deriveFont(properties, size);
			sampleTextLabel.setFont(newFont);
		}

	}


/*****************************************************************************/

}