Implement comments (talkback) link.

4 files changed, 95 insertions, 6 deletions

diff --git a/org/madore/damlengine/Context.java b/org/madore/damlengine/Context.java
index 6321ca2..22912a7 100644
--- a/org/madore/damlengine/Context.java
+++ b/org/madore/damlengine/Context.java
@@ -3,9 +3,9 @@ package org.madore.damlengine;
 import java.util.ArrayList;
 import org.w3c.dom.*;
 
-public class Context {
+public class Context implements Cloneable {
 
-    public Document doc;
+    public final Document doc;
     public Element htmlNode;
     public Element headNode;
     public String uriToTop;
@@ -20,8 +20,35 @@ public class Context {
     public String subtitleLang;
     public ArrayList<String> translations;
 
+    public static class EntryContext {
+	public String year;
+	public String month;
+	public String day;
+	public String yandm;
+	public String date;
+	public String number;
+	public String dow;
+	public EntryContext(String year, String month, String day,
+			    String number, String dow) {
+	    this.year = year;  this.month = month;  this.day = day;
+	    this.yandm = year+"-"+month;
+	    this.date = yandm+"-"+day;
+	    this.number = number;  this.dow = dow;
+	}
+    }
+
+    public EntryContext entryCtx;
+
     public Context(Document doc) {
 	this.doc = doc;
     }
 
+    public Context clone() {
+	try {
+	    return (Context) super.clone();
+	} catch (CloneNotSupportedException e) {
+	    throw new RuntimeException(e);
+	}
+    }
+
 }
diff --git a/org/madore/damlengine/TodoComments.java b/org/madore/damlengine/TodoComments.java
new file mode 100644
index 0000000..e1dd027
--- /dev/null
+++ b/org/madore/damlengine/TodoComments.java
@@ -0,0 +1,57 @@
+package org.madore.damlengine;
+
+import java.util.Map;
+import java.util.HashMap;
+import org.w3c.dom.*;
+
+public final class TodoComments extends TodoElement {
+
+    public TodoComments(Element node,
+			Context ctx,
+			TodoItem caller) {
+	super(node, ctx, caller);
+    }
+
+    protected final static Map<String,String> linkNameTable;
+
+    static {
+	linkNameTable = new HashMap<String,String>();
+	linkNameTable.put("en", "Comments");
+	linkNameTable.put("fr", "Commentaires");
+	linkNameTable.put("de", "Kommentare");
+	linkNameTable.put("ia", "Commentos");
+    }
+
+    @Override
+    public void handle() {
+	Element p = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "p");
+	String lang = LangHelper.getLangRec(node);
+	String explicitLang = LangHelper.getLangNorec(node);
+	if ( lang == null || linkNameTable.get(lang) == null ) {
+	    System.err.println("warning: will use English comments link");
+	    lang = "en";
+	    explicitLang = "en";
+	}
+	if ( explicitLang != null )
+	    LangHelper.setLangNorec(p, explicitLang);
+	p.setAttributeNS(null, "class", "talkback-link");
+	node.getParentNode().replaceChild(p, node);
+	Element a = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "a");
+	if ( ctx.entryCtx == null )
+	    throw new IllegalStateException("entry context not defined in comments element");
+	String commentURL = "http://www.madore.org/cgi-bin/comment.pl/"
+	    + "showcomments?href=http%3a%2f%2fwww.madore.org%2f"
+	    + "%7edavid%2fweblog%2f"
+	    + ctx.entryCtx.yandm + ".html%23d." + ctx.entryCtx.date
+	    + "." + ctx.entryCtx.number;
+	a.setAttributeNS(null, "href", commentURL);
+	p.appendChild(a);
+	a.appendChild(ctx.doc.createTextNode(linkNameTable.get(lang)));
+	Element span = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "span");
+	span.setAttributeNS(null, "id",
+			    "d." + ctx.entryCtx.date + "."
+			    + ctx.entryCtx.number + ".numcomments");
+	p.appendChild(span);
+	span.appendChild(ctx.doc.createComment(" EMPTY "));
+    }
+}
diff --git a/org/madore/damlengine/TodoEntryElement.java b/org/madore/damlengine/TodoEntryElement.java
index 7e6f384..14560a5 100644
--- a/org/madore/damlengine/TodoEntryElement.java
+++ b/org/madore/damlengine/TodoEntryElement.java
@@ -42,7 +42,7 @@ public final class TodoEntryElement extends TodoDefaultElement {
 	    throw new IllegalArgumentException("title date attribute must be of the form YYYY-MM-DD");
 	String entryYearStr = entryDateMatcher.group(1);
 	String entryMonthStr = entryDateMatcher.group(2);
-	// String entryDayStr = entryDateMatcher.group(3);
+	String entryDayStr = entryDateMatcher.group(3);
 	String entryDowStr = node.getAttributeNS(null, "day_of_week");
 
 	String entryIdStr = "d."+entryDateStr+"."+entryNumberStr;
@@ -69,6 +69,11 @@ public final class TodoEntryElement extends TodoDefaultElement {
 	if ( ! entryDowStr.equals("") )
 	    header.appendChild(ctx.doc.createTextNode(" ("+entryDowStr+")"));
 
+	Context ctx2 = ctx.clone();
+	ctx2.entryCtx
+	    = new Context.EntryContext(entryYearStr, entryMonthStr, entryDayStr,
+				       entryNumberStr, entryDowStr);
+
 	ArrayList<Node> childList = getChildList(this.node);
 	ArrayList<TodoElement> toProcess = new ArrayList<TodoElement>(childList.size()+8);
 	for ( Node child : childList ) {
@@ -80,7 +85,7 @@ public final class TodoEntryElement extends TodoDefaultElement {
 	    } else if ( child.getNodeType() == Node.ELEMENT_NODE ) {
 		div.appendChild(child);
 		TodoElement it
-		    = TodoElement.getTodoElement((Element)child, this.ctx, this);
+		    = TodoElement.getTodoElement((Element)child, ctx2, this);
 		toProcess.add(it);
 	    }
 	}
@@ -89,7 +94,7 @@ public final class TodoEntryElement extends TodoDefaultElement {
 						    "d:implicit-do-comments");
 	    div.appendChild(token);
 	    div.appendChild(ctx.doc.createTextNode("\n"));
-	    //	    toProcess.add(new TodoComments(token, this.ctx, this));
+	    toProcess.add(new TodoComments(token, ctx2, this));
 	}
 	this.ownerDeque.registerAtStart(toProcess);
     }
diff --git a/org/madore/damlengine/TodoWrefAttr.java b/org/madore/damlengine/TodoWrefAttr.java
index 5737577..5a15045 100644
--- a/org/madore/damlengine/TodoWrefAttr.java
+++ b/org/madore/damlengine/TodoWrefAttr.java
@@ -26,7 +26,7 @@ public class TodoWrefAttr extends TodoAttr {
 	String wrefStr = attr.getValue();
 	Matcher wrefMatcher = Pattern.compile("^\\#d\\.(\\d{4})-(\\d{2})-(\\d{2})\\.(\\d{4})(|\\..*)$").matcher(wrefStr);
 	if ( ! wrefMatcher.matches() )
-	    throw new IllegalArgumentException("wref attribute ("+wrefStr+") must be of the form #d.YYYY-MM-DD.NNNN[.xxx]");
+	    throw new IllegalArgumentException("wref attribute must be of the form #d.YYYY-MM-DD.NNNN[.xxx]");
 	String wrefYearStr = wrefMatcher.group(1);
 	String wrefMonthStr = wrefMatcher.group(2);
 	String wrefDayStr = wrefMatcher.group(3);