Implement <d:cut-here /> for cutting long entries.

4 files changed, 83 insertions, 2 deletions

diff --git a/org/madore/damlengine/Context.java b/org/madore/damlengine/Context.java
index 6674c76..9249fe5 100644
--- a/org/madore/damlengine/Context.java
+++ b/org/madore/damlengine/Context.java
@@ -76,16 +76,19 @@ public class Context implements Cloneable {
 	public String date;
 	public String number;
 	public String dow;
+	public String doSinglePage;
 	public ArrayList<String> catList;
 	public Element headerNode;
 	public Element headlinkNode;
+	public Element mainDivNode;
 	public EntryContext(String year, String month, String day,
-			    String number, String dow,
+			    String number, String dow, String doSinglePage,
 			    ArrayList<String> catList) {
 	    this.year = year;  this.month = month;  this.day = day;
 	    this.yandm = year+"-"+month;
 	    this.date = yandm+"-"+day;
 	    this.number = number;  this.dow = dow;
+	    this.doSinglePage = doSinglePage;
 	    this.catList = catList;
 	}
     }
diff --git a/org/madore/damlengine/TodoCutHere.java b/org/madore/damlengine/TodoCutHere.java
new file mode 100644
index 0000000..a28eb9f
--- /dev/null
+++ b/org/madore/damlengine/TodoCutHere.java
@@ -0,0 +1,74 @@
+package org.madore.damlengine;
+
+import org.w3c.dom.*;
+
+public final class TodoCutHere extends TodoDefaultElement {
+
+    public static class Factory extends TodoElement.Factory {
+	@Override
+	public TodoCutHere newItem(Element node,
+				   Context ctx,
+				   TodoItem caller) {
+	    return new TodoCutHere(node, ctx, caller);
+	}
+    }
+
+    public TodoCutHere(Element node,
+		       Context ctx,
+		       TodoItem caller) {
+	super(node, ctx, caller);
+    }
+
+    @Override
+    public void handleNodeOnly() {
+	if ( ctx.ent == null )
+	    throw new IllegalStateException("entry context not defined in cut-here element");
+	if ( ctx.ent.doSinglePage == null )
+	    throw new IllegalStateException("cut-here element found in non single-page entry");
+	String lang = LangHelper.getLangRec(node);
+	String explicitLang = LangHelper.getLangNorec(node);
+	if ( ctx.wsc == null
+	     || ctx.wsc instanceof Context.WeblogSingleSelectionContext ) {
+	    Element div = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "div");
+	    div.setAttributeNS(null, "id",
+			       "d." + ctx.ent.date + "." + ctx.ent.number
+			       + ".CUT");
+	    div.setAttributeNS(null, "class", "cut-anchor");
+	    div.appendChild(ctx.doc.createComment(" EMPTY "));
+	    node.getParentNode().replaceChild(div, node);
+	} else {
+	    Element a = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "a");
+	    a.setAttributeNS(null, "href",
+			       ((ctx.gc.uriToTop==null)?"":(ctx.gc.uriToTop+"weblog/"))
+			       + ctx.ent.date + "-" + ctx.ent.doSinglePage + ".html"
+			       + "#d." + ctx.ent.date + "." + ctx.ent.number
+			       + ".CUT");
+	    if ( explicitLang != null )
+		LangHelper.setLangNorec(a, explicitLang);
+	    a.setAttributeNS(null, "class", "cut-link");
+	    if ( lang.equals("en") )
+		a.appendChild(ctx.doc.createTextNode("[Continue reading\u2026]"));
+	    else if ( lang.equals("fr") )
+		a.appendChild(ctx.doc.createTextNode("[Lire la suite\u2026]"));
+	    else if ( lang.equals("de") )
+		a.appendChild(ctx.doc.createTextNode("[Weiter lesen\u2026]"));
+	    else if ( lang.equals("ia") )
+		a.appendChild(ctx.doc.createTextNode("[Leger ultra\u2026]"));
+	    else
+		a.appendChild(ctx.doc.createTextNode("[\u2026]"));
+	    node.getParentNode().replaceChild(a, node);
+	    Node killPoint = a;
+	    while ( ! killPoint.isSameNode(ctx.ent.mainDivNode) ) {
+		Node parent = killPoint.getParentNode();
+		while ( killPoint.getNextSibling() != null )
+		    parent.removeChild(killPoint.getNextSibling());
+		// FIXME: deleted node may already have found its way
+		// in the todo deque, which means it could cause a
+		// null pointer exception by trying to access its
+		// parent node.  Do something about this!
+		killPoint = parent;
+	    }
+	}
+    }
+
+}
diff --git a/org/madore/damlengine/TodoElement.java b/org/madore/damlengine/TodoElement.java
index 5f4fe3c..0b2baf5 100644
--- a/org/madore/damlengine/TodoElement.java
+++ b/org/madore/damlengine/TodoElement.java
@@ -70,6 +70,7 @@ public abstract class TodoElement extends TodoItem {
 	damlFactories.put("weblog-selection-cat-name", new TodoWeblogSelectionElement.Factory(TodoWeblogSelectionElement.Type.CATEGORY_NAME));
 	damlFactories.put("weblog-selection-single-number", new TodoWeblogSelectionElement.Factory(TodoWeblogSelectionElement.Type.SINGLE_NUMBER));
 	damlFactories.put("weblog-selection-single-title", new TodoWeblogSelectionElement.Factory(TodoWeblogSelectionElement.Type.SINGLE_TITLE));
+	damlFactories.put("cut-here", new TodoCutHere.Factory());
     }
 
     protected final static Factory killAFactory
diff --git a/org/madore/damlengine/TodoEntryElement.java b/org/madore/damlengine/TodoEntryElement.java
index 712e121..4b844a9 100644
--- a/org/madore/damlengine/TodoEntryElement.java
+++ b/org/madore/damlengine/TodoEntryElement.java
@@ -112,9 +112,12 @@ public final class TodoEntryElement extends TodoDefaultElement {
 	Context ctx2 = ctx.clone();
 	ctx2.ent
 	    = new Context.EntryContext(entryYearStr, entryMonthStr, entryDayStr,
-				       entryNumberStr, entryDowStr, entryCatList);
+				       entryNumberStr, entryDowStr,
+				       entryDoSinglePageStr,
+				       entryCatList);
 	ctx2.ent.headerNode = header;
 	ctx2.ent.headlinkNode = headlink;
+	ctx2.ent.mainDivNode = mainDiv;
 
 	ArrayList<Node> childList = getChildList(this.node);
 	ArrayList<TodoElement> toProcess = new ArrayList<TodoElement>(childList.size()+8);