Starting work on extended attributes.

* `Issue` implementation is tentatively complete.
* Started ona direction for implementation with `FileIssue`.
* Revisiting the code for `XmlIssue` to polish it up. The XML code was never
  really finished, but it should be for 3.0.x

libpit/src/com/jdbernard/pit/Issue.groovy

@@ -9,8 +9,9 @@ public abstract class Issue {
     protected Status status
     protected int priority
     protected String text
-    protected Date deliveryDate
-    protected Date creationDate
+    protected String title
+
+    protected Map extendedPropeties = [:]
 
     Issue(String id, Category c = Category.TASK, Status s = Status.NEW,
     int p = 9) {
@@ -18,8 +19,6 @@ public abstract class Issue {
         this.category = c
         this.status = s
         this.priority = p
-        this.creationDate = new Date()
-        this.deliveryDate = null
     }
 
     public String getId() { return id; }
@@ -48,19 +47,18 @@ public abstract class Issue {
         priority = Math.min(9, Math.max(0, p))
     }
 
-    public String getTitle() { return text.readLines()[0] }
+    public String getTitle() { return title }
+
+    public String setTitle(String t) throws IOException { title = t }
 
     public String getText() { return text }
 
     public void setText(String t) throws IOException { text = t }
 
-    public boolean hasDelivery() { return deliveryDate == null }
+    public def propertyMissing(String name) { extendedProperties[name] }
 
-    public Date getCreationDate() { return creationDate }
-
-    public Date getDeliveryDate() { return deliveryDate }
-
-    public void setDeliveryDate(Date dd) { deliveryDate = dd }
+    public def propertyMissing(String name, def value) {
+        extendedProperties[name] = value }
 
     @Override
     public String toString() {

libpit/src/com/jdbernard/pit/file/FileIssue.groovy

@@ -25,6 +25,7 @@ public class FileIssue extends Issue {
         this.source = file
 
         super.@text = file.text
+        super.@title = super.@text.readLines()[0]
     }
 
     public void setCategory(Category c) throws IOException {
@@ -73,15 +74,14 @@ public class FileIssue extends Issue {
         return makeFilename(id, category, status, priority)
     }
 
-    public void setText(String text) throws IOException {
-        try { source.write(text) }
-        catch (IOException ioe) {
-            throw new IOException("I could not save the new text for this "
-                + "issue. I can not write to the file for this issue. I do not"
-                + " know why, I am sorry (maybe the file can not be reached).")
+    public void setTitle(String title) throws IOException {
+        super.setTitle(title)
+        writeFile()
     }
 
+    public void setText(String text) throws IOException {
         super.setText(text)
+        writeFile()
     }
 
     boolean deleteFile() { return source.deleteDir() }
@@ -107,4 +107,51 @@ public class FileIssue extends Issue {
         return id + category.symbol + status.symbol + priority + ".rst";
     }
 
+    public static String formatIssue(Issue issue) {
+        def result = new StringBuilder()
+        result.append(title)
+        result.append("\n")
+        result.append("=".multiply(title.length()))
+        result.append("\n")
+        result.append(text)
+        result.append("\n----\n")
+
+        // If there are any extended properties, let's write those.
+        if (super.@extendedProperties.size() > 0) {
+            def extOutput = [:]
+            def maxKeyLen = 0
+            def maxValLen = 0
+
+            // Find the longest key and value, convert all to strings.
+            super.@extendedProperties.each { key, val ->
+                def ks = key.toString(), vs = val.toString()
+                extOutput[ks] = vs
+                if (ks.length() > maxKeyLen) { maxKeyLen = ks.length() }
+                if (vs.length() > maxKeyLen) { maxValLen = vs.length() } }
+
+            result.append("=".multiply(maxKeyLen + 1))
+            result.append(" ")
+            result.append("=".multiply(maxValLen))
+            result.append("\n")
+
+            extOutput.sort().each { key, val ->
+                result.append(key.padRight(maxKeyLen))
+                result.append(": ")
+                result.append(val.padRight(maxValLen))
+                result.append("\n") }
+
+            result.append("=".multiply(maxKeyLen + 1))
+            result.append(" ")
+            result.append("=".multiply(maxValLen))
+            result.append("\n") }}
+
+    protected void writeFile() {
+        try { source.write(formatIssue(this) }
+        catch (IOException ioe) {
+            throw new IOException("I could not save the new text for this "
+                + "issue. I can not write to the file for this issue. I do not"
+                + " know why, I am sorry (maybe the file can not be reached).")
+        }
+    }
+
 }

libpit/src/com/jdbernard/pit/xml/XmlIssue.groovy

@@ -18,7 +18,8 @@ public class XmlIssue extends Issue {
     }
 
     XmlIssue(String id, Category c = Category.TASK, Status s = Status.NEW,
-    int p = 9, String text, XmlRepository repository, XmlProject project) {
+    int p = 9, String title, String text, XmlRepository repository,
+    XmlProject project) {
         super(id, c, s, p)
 
         this.project = project
@@ -26,9 +27,10 @@ public class XmlIssue extends Issue {
 
         // Node constructor adds the node to the parent node
         issueNode = new Node(project.projectNode, "Issue", 
-            [id: id, category: c, status: s, priority: p])
+            [id: id, category: c, status: s, priority: p, title: title])
 
-        this.text = text
+        super.@title = title
+        super.@text = text
         issueNode.value = text
 
         repository.persist()
@@ -62,4 +64,11 @@ public class XmlIssue extends Issue {
         repository.persist()
     }
 
+    public void setTitle(String t) {
+        super.setTitle(t)
+
+        issueNode.@title = t
+        repository.persist()
+    }
+
 }