| /* DefaultStyledDocument.java -- |
| Copyright (C) 2004 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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.Font; |
| import java.io.Serializable; |
| |
| /** |
| * @author Michael Koch (konqueror@gmx.de) |
| */ |
| public class DefaultStyledDocument extends AbstractDocument |
| implements StyledDocument |
| { |
| public class ElementBuffer |
| implements Serializable |
| { |
| private Element root; |
| |
| public ElementBuffer(Element root) |
| { |
| this.root = root; |
| } |
| |
| public Element getRootElement() |
| { |
| return root; |
| } |
| } |
| |
| public static final int BUFFER_SIZE_DEFAULT = 4096; |
| |
| protected DefaultStyledDocument.ElementBuffer buffer; |
| |
| public DefaultStyledDocument() |
| { |
| this(new GapContent(BUFFER_SIZE_DEFAULT), new StyleContext()); |
| } |
| |
| public DefaultStyledDocument(StyleContext context) |
| { |
| this(new GapContent(BUFFER_SIZE_DEFAULT), context); |
| } |
| |
| public DefaultStyledDocument(AbstractDocument.Content content, |
| StyleContext context) |
| { |
| super(content, context); |
| buffer = new ElementBuffer(createDefaultRoot()); |
| setLogicalStyle(0, context.getStyle(StyleContext.DEFAULT_STYLE)); |
| } |
| |
| public Style addStyle(String nm, Style parent) |
| { |
| StyleContext context = (StyleContext) getAttributeContext(); |
| return context.addStyle(nm, parent); |
| } |
| |
| protected AbstractDocument.AbstractElement createDefaultRoot() |
| { |
| Element[] tmp; |
| BranchElement section = new BranchElement(null, null); |
| |
| BranchElement paragraph = new BranchElement(section, null); |
| tmp = new Element[1]; |
| tmp[0] = paragraph; |
| section.replace(0, 0, tmp); |
| |
| LeafElement leaf = new LeafElement(paragraph, null, 0, 1); |
| tmp = new Element[1]; |
| tmp[0] = leaf; |
| paragraph.replace(0, 0, tmp); |
| |
| return section; |
| } |
| |
| public Element getCharacterElement(int position) |
| { |
| Element element = getDefaultRootElement(); |
| |
| while (! element.isLeaf()) |
| { |
| int index = element.getElementIndex(position); |
| element = element.getElement(index); |
| } |
| |
| return element; |
| } |
| |
| public Color getBackground(AttributeSet attributes) |
| { |
| StyleContext context = (StyleContext) getAttributeContext(); |
| return context.getBackground(attributes); |
| } |
| |
| public Element getDefaultRootElement() |
| { |
| return buffer.getRootElement(); |
| } |
| |
| public Font getFont(AttributeSet attributes) |
| { |
| StyleContext context = (StyleContext) getAttributeContext(); |
| return context.getFont(attributes); |
| } |
| |
| public Color getForeground(AttributeSet attributes) |
| { |
| StyleContext context = (StyleContext) getAttributeContext(); |
| return context.getForeground(attributes); |
| } |
| |
| public Style getLogicalStyle(int position) |
| { |
| Element paragraph = getParagraphElement(position); |
| AttributeSet attributes = paragraph.getAttributes(); |
| return (Style) attributes.getResolveParent(); |
| } |
| |
| public Element getParagraphElement(int position) |
| { |
| Element element = getCharacterElement(position); |
| return element.getParentElement(); |
| } |
| |
| public Style getStyle(String nm) |
| { |
| StyleContext context = (StyleContext) getAttributeContext(); |
| return context.getStyle(nm); |
| } |
| |
| public void removeStyle(String nm) |
| { |
| StyleContext context = (StyleContext) getAttributeContext(); |
| context.removeStyle(nm); |
| } |
| |
| public void setCharacterAttributes(int offset, int length, |
| AttributeSet attributes, |
| boolean replace) |
| { |
| // FIXME: Implement me. |
| throw new Error("not implemented"); |
| } |
| |
| public void setLogicalStyle(int position, Style style) |
| { |
| // FIXME: Implement me. |
| throw new Error("not implemented"); |
| } |
| |
| public void setParagraphAttributes(int offset, int length, |
| AttributeSet attributes, |
| boolean replace) |
| { |
| // FIXME: Implement me. |
| throw new Error("not implemented"); |
| } |
| } |