Index: javax/swing/text/html/HTMLDocument.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/text/html/HTMLDocument.java,v
retrieving revision 1.2
diff -u -r1.2 HTMLDocument.java
--- javax/swing/text/html/HTMLDocument.java 2 Jul 2005 20:32:51 -0000 1.2
+++ javax/swing/text/html/HTMLDocument.java 21 Sep 2005 18:18:06 -0000
@@ -38,7 +38,10 @@
package javax.swing.text.html;
+import javax.swing.text.AttributeSet;
import javax.swing.text.DefaultStyledDocument;
+import javax.swing.text.ElementIterator;
+import javax.swing.text.html.HTML.Tag;
/**
* TODO: This class is not yet completetely implemented.
@@ -47,7 +50,146 @@
*/
public class HTMLDocument extends DefaultStyledDocument
{
+
+ /**
+ * An iterator to iterate through LeafElements in the document.
+ */
+ class LeafIterator extends Iterator
+ {
+ HTML.Tag tag;
+ HTMLDocument doc;
+ ElementIterator it;
+
+ public LeafIterator (HTML.Tag t, HTMLDocument d)
+ {
+ doc = d;
+ tag = t;
+ it = new ElementIterator(doc);
+ }
+
+ /**
+ * Return the attributes for the tag associated with this iteartor
+ * @return the AttributeSet
+ */
+ public AttributeSet getAttributes()
+ {
+ if (it.current() != null)
+ return it.current().getAttributes();
+ return null;
+ }
+
+ /**
+ * Get the end of the range for the current occurrence of the tag
+ * being defined and having the same attributes.
+ * @return the end of the range
+ */
+ public int getEndOffset()
+ {
+ if (it.current() != null)
+ return it.current().getEndOffset();
+ return -1;
+ }
+
+ /**
+ * Get the start of the range for the current occurrence of the tag
+ * being defined and having the same attributes.
+ * @return the start of the range (-1 if it can't be found).
+ */
+
+ public int getStartOffset()
+ {
+ if (it.current() != null)
+ return it.current().getStartOffset();
+ return -1;
+ }
+
+ /**
+ * Advance the iterator to the next LeafElement .
+ */
+ public void next()
+ {
+ it.next();
+ while (it.current()!= null && !it.current().isLeaf())
+ it.next();
+ }
+
+ /**
+ * Indicates whether or not the iterator currently represents an occurrence
+ * of the tag.
+ * @return true if the iterator currently represents an occurrence of the
+ * tag.
+ */
+ public boolean isValid()
+ {
+ return it.current() != null;
+ }
+
+ /**
+ * Type of tag for this iterator.
+ */
+ public Tag getTag()
+ {
+ return tag;
+ }
+
+ }
+
public void processHTMLFrameHyperlinkEvent(HTMLFrameHyperlinkEvent event)
{
+ }
+
+ /**
+ * Gets an iterator for the given HTML.Tag.
+ * @param t the requested HTML.Tag
+ * @return the Iterator
+ */
+ public HTMLDocument.Iterator getIterator (HTML.Tag t)
+ {
+ return new HTMLDocument.LeafIterator(t, this);
+ }
+
+ /**
+ * An iterator over a particular type of tag.
+ */
+ public abstract static class Iterator
+ {
+ /**
+ * Return the attribute set for this tag.
+ * @return the AttributeSet
(null if none found).
+ */
+ public abstract AttributeSet getAttributes();
+
+ /**
+ * Get the end of the range for the current occurrence of the tag
+ * being defined and having the same attributes.
+ * @return the end of the range
+ */
+ public abstract int getEndOffset();
+
+ /**
+ * Get the start of the range for the current occurrence of the tag
+ * being defined and having the same attributes.
+ * @return the start of the range (-1 if it can't be found).
+ */
+ public abstract int getStartOffset();
+
+ /**
+ * Move the iterator forward.
+ */
+ public abstract void next();
+
+ /**
+ * Indicates whether or not the iterator currently represents an occurrence
+ * of the tag.
+ * @return true if the iterator currently represents an occurrence of the
+ * tag.
+ */
+ public abstract boolean isValid();
+
+ /**
+ * Type of tag this iterator represents.
+ * @return the tag.
+ */
+ public abstract HTML.Tag getTag();
}
}