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Diffstat (limited to 'libjava/classpath/javax/swing/text/LabelView.java')
-rw-r--r-- | libjava/classpath/javax/swing/text/LabelView.java | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/libjava/classpath/javax/swing/text/LabelView.java b/libjava/classpath/javax/swing/text/LabelView.java deleted file mode 100644 index 7cfeae8..0000000 --- a/libjava/classpath/javax/swing/text/LabelView.java +++ /dev/null @@ -1,322 +0,0 @@ -/* LabelView.java -- A view to render styled text - Copyright (C) 2005 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package javax.swing.text; - -import java.awt.Color; -import java.awt.Container; -import java.awt.Font; -import java.awt.FontMetrics; -import java.awt.Shape; -import java.awt.Toolkit; - -import javax.swing.event.DocumentEvent; - -/** - * A {@link GlyphView} that caches the textattributes for most effective - * rendering. - * - * @author Roman Kennke (kennke@aicas.com) - */ -public class LabelView extends GlyphView -{ - - /** - * The background color. - */ - Color background; - - /** - * The foreground color. - */ - Color foreground; - - /** - * The background color. - */ - Font font; - - /** - * The strikethrough flag. - */ - boolean strikeThrough; - - /** - * The underline flag. - */ - boolean underline; - - /** - * The subscript flag. - */ - boolean subscript; - - /** - * The superscript flag. - */ - boolean superscript; - - /** - * Indicates if the attributes must be refetched. - */ - private boolean valid; - - /** - * Creates a new <code>GlyphView</code> for the given <code>Element</code>. - * - * @param element the element that is rendered by this GlyphView - */ - public LabelView(Element element) - { - super(element); - valid = false; - } - - /** - * Loads the properties of this label view from the element's text - * attributes. This method is called from the constructor and the - * {@link #changedUpdate} method - */ - protected void setPropertiesFromAttributes() - { - AttributeSet atts = getAttributes(); - setStrikeThrough(StyleConstants.isStrikeThrough(atts)); - setSubscript(StyleConstants.isSubscript(atts)); - setSuperscript(StyleConstants.isSuperscript(atts)); - setUnderline(StyleConstants.isUnderline(atts)); - - // Determine the font and colors. - Document d = getDocument(); - if (d instanceof StyledDocument) - { - StyledDocument doc = (StyledDocument) d; - font = doc.getFont(atts); - if (atts.isDefined(StyleConstants.Background)) - background = doc.getBackground(atts); - else - background = null; - foreground = doc.getForeground(atts); - } - valid = true; - } - - /** - * Receives notification when text attributes change in the chunk of - * text that this view is responsible for. This simply calls - * {@link #setPropertiesFromAttributes()}. - * - * @param e the document event - * @param a the allocation of this view - * @param vf the view factory to use for creating new views - */ - public void changedUpdate(DocumentEvent e, Shape a, ViewFactory vf) - { - valid = false; - super.changedUpdate(e, a, vf); - } - - /** - * Returns the background color for the glyphs. - * - * @return the background color for the glyphs - */ - public Color getBackground() - { - if (! valid) - setPropertiesFromAttributes(); - return background; - } - - /** - * Sets the background color for the glyphs. A value of <code>null</code> - * means the background of the parent view should shine through. - * - * @param bg the background to set or <code>null</code> - * - * @since 1.5 - */ - protected void setBackground(Color bg) - { - background = bg; - } - - /** - * Returns the foreground color for the glyphs. - * - * @return the foreground color for the glyphs - */ - public Color getForeground() - { - if (! valid) - setPropertiesFromAttributes(); - return foreground; - } - - /** - * Returns the font for the glyphs. - * - * @return the font for the glyphs - */ - public Font getFont() - { - if (! valid) - setPropertiesFromAttributes(); - return font; - } - - /** - * Returns the font metrics of the current font. - * - * @return the font metrics of the current font - * - * @deprecated this is not used anymore - */ - protected FontMetrics getFontMetrics() - { - if (! valid) - setPropertiesFromAttributes(); - - Container c = getContainer(); - FontMetrics fm; - if (c != null) - fm = c.getFontMetrics(font); - else - fm = Toolkit.getDefaultToolkit().getFontMetrics(font); - return fm; - } - - /** - * Returns <code>true</code> if the glyphs are rendered underlined, - * <code>false</code> otherwise. - * - * @return <code>true</code> if the glyphs are rendered underlined, - * <code>false</code> otherwise - */ - public boolean isUnderline() - { - if (! valid) - setPropertiesFromAttributes(); - return underline; - } - - /** - * Sets the underline flag. - * - * @param flag <code>true</code> if the glyphs are rendered underlined, - * <code>false</code> otherwise - */ - protected void setUnderline(boolean flag) - { - underline = flag; - } - - /** - * Returns <code>true</code> if the glyphs are rendered as subscript, - * <code>false</code> otherwise. - * - * @return <code>true</code> if the glyphs are rendered as subscript, - * <code>false</code> otherwise - */ - public boolean isSubscript() - { - if (! valid) - setPropertiesFromAttributes(); - return subscript; - } - - /** - * Sets the subscript flag. - * - * @param flag <code>true</code> if the glyphs are rendered as subscript, - * <code>false</code> otherwise - */ - protected void setSubscript(boolean flag) - { - subscript = flag; - } - - /** - * Returns <code>true</code> if the glyphs are rendered as superscript, - * <code>false</code> otherwise. - * - * @return <code>true</code> if the glyphs are rendered as superscript, - * <code>false</code> otherwise - */ - public boolean isSuperscript() - { - if (! valid) - setPropertiesFromAttributes(); - return superscript; - } - - /** - * Sets the superscript flag. - * - * @param flag <code>true</code> if the glyphs are rendered as superscript, - * <code>false</code> otherwise - */ - protected void setSuperscript(boolean flag) - { - superscript = flag; - } - - /** - * Returns <code>true</code> if the glyphs are rendered strike-through, - * <code>false</code> otherwise. - * - * @return <code>true</code> if the glyphs are rendered strike-through, - * <code>false</code> otherwise - */ - public boolean isStrikeThrough() - { - if (! valid) - setPropertiesFromAttributes(); - return strikeThrough; - } - - /** - * Sets the strike-through flag. - * - * @param flag <code>true</code> if the glyphs are rendered strike-through, - * <code>false</code> otherwise - */ - protected void setStrikeThrough(boolean flag) - { - strikeThrough = flag; - } -} |