Fixed several type errors in subtasks code

astrid/plugin-src/com/todoroo/astrid/subtasks/AstridOrderedListFragmentHelper.java

@@ -33,6 +33,7 @@ import com.todoroo.astrid.activity.TaskListFragment;
 import com.todoroo.astrid.adapter.TaskAdapter;
 import com.todoroo.astrid.adapter.TaskAdapter.OnCompletedTaskListener;
 import com.todoroo.astrid.api.Filter;
+import com.todoroo.astrid.data.RemoteModel;
 import com.todoroo.astrid.data.Task;
 import com.todoroo.astrid.service.MetadataService;
 import com.todoroo.astrid.service.TaskService;
@@ -117,13 +118,13 @@ public class AstridOrderedListFragmentHelper<LIST> implements OrderedListFragmen
     private final DropListener dropListener = new DropListener() {
         @Override
         public void drop(int from, int to) {
-            long targetTaskId = taskAdapter.getItemId(from);
-            if (targetTaskId <= 0) return; // This can happen with gestures on empty parts of the list (e.g. extra space below tasks)
-            long destinationTaskId = taskAdapter.getItemId(to);
+            String targetTaskId = taskAdapter.getItemUuid(from);
+            if (!RemoteModel.isValidUuid(targetTaskId)) return; // This can happen with gestures on empty parts of the list (e.g. extra space below tasks)
+            String destinationTaskId = taskAdapter.getItemUuid(to);
 
             try {
                 if(to >= getListView().getCount())
-                    updater.moveTo(list, getFilter(), targetTaskId, -1);
+                    updater.moveTo(list, getFilter(), targetTaskId, "-1"); //$NON-NLS-1$
                 else
                     updater.moveTo(list, getFilter(), targetTaskId, destinationTaskId);
             } catch (Exception e) {
@@ -147,8 +148,8 @@ public class AstridOrderedListFragmentHelper<LIST> implements OrderedListFragmen
         }
 
         protected void indent(int which, int delta) {
-            long targetTaskId = taskAdapter.getItemId(which);
-            if (targetTaskId <= 0) return; // This can happen with gestures on empty parts of the list (e.g. extra space below tasks)
+            String targetTaskId = taskAdapter.getItemUuid(which);
+            if (!RemoteModel.isValidUuid(targetTaskId)) return; // This can happen with gestures on empty parts of the list (e.g. extra space below tasks)
             try {
                 updater.indent(list, getFilter(), targetTaskId, delta);
             } catch (Exception e) {
@@ -218,7 +219,7 @@ public class AstridOrderedListFragmentHelper<LIST> implements OrderedListFragmen
             super.setFieldContentsAndVisibility(view);
 
             ViewHolder vh = (ViewHolder) view.getTag();
-            int indent = updater.getIndentForTask(vh.task.getId());
+            int indent = updater.getIndentForTask(vh.task.getUuid());
             vh.rowBody.setPadding(Math.round(indent * 20 * metrics.density), 0, 0, 0);
         }
 

astrid/plugin-src/com/todoroo/astrid/subtasks/AstridOrderedListUpdater.java

@@ -34,16 +34,13 @@ public abstract class AstridOrderedListUpdater<LIST> {
     }
 
     public static class Node {
-//        public long taskId;
-        public String uuid; // For parsing and syncing -- not used elsewhere
+        public String uuid;
         public Node parent;
         public int indent;
         public final ArrayList<Node> children = new ArrayList<Node>();
 
         public Node(String uuid, Node parent, int indent) {
-//            this.taskId = taskId;
             this.uuid = uuid;
-//            this.uuid = "-1"; //$NON-NLS-1$
             this.parent = parent;
             this.indent = indent;
         }
@@ -57,7 +54,7 @@ public abstract class AstridOrderedListUpdater<LIST> {
     protected abstract void writeSerialization(LIST list, String serialized, boolean shouldQueueSync);
     protected abstract void applyToFilter(Filter filter);
 
-    public int getIndentForTask(long targetTaskId) {
+    public int getIndentForTask(String targetTaskId) {
         Node n = idToNode.get(targetTaskId);
         if (n == null)
             return 0;
@@ -184,7 +181,7 @@ public abstract class AstridOrderedListUpdater<LIST> {
         applyToDescendantsHelper(treeRoot, visitor);
     }
 
-    public void indent(LIST list, Filter filter, long targetTaskId, int delta) {
+    public void indent(LIST list, Filter filter, String targetTaskId, int delta) {
         Node node = idToNode.get(targetTaskId);
         indentHelper(list, filter, node, delta);
     }
@@ -242,12 +239,12 @@ public abstract class AstridOrderedListUpdater<LIST> {
         }
     }
 
-    public void moveTo(LIST list, Filter filter, long targetTaskId, long beforeTaskId) {
+    public void moveTo(LIST list, Filter filter, String targetTaskId, String beforeTaskId) {
         Node target = idToNode.get(targetTaskId);
         if (target == null)
             return;
 
-        if (beforeTaskId == -1) {
+        if ("-1".equals(beforeTaskId)) { //$NON-NLS-1$
             moveToEndOfList(list, filter, target);
             return;
         }

astrid/plugin-src/com/todoroo/astrid/subtasks/SubtasksTagUpdater.java

@@ -28,7 +28,7 @@ public class SubtasksTagUpdater extends SubtasksFilterUpdater {
     }
 
     @Override
-    public int getIndentForTask(long targetTaskId) {
+    public int getIndentForTask(String targetTaskId) {
         if (isBeingFiltered.get())
             return 0;
         return super.getIndentForTask(targetTaskId);

astrid/src/com/todoroo/astrid/adapter/TaskAdapter.java

@@ -430,6 +430,19 @@ public class TaskAdapter extends CursorAdapter implements Filterable {
         setTaskAppearance(viewHolder, task);
     }
 
+    public String getItemUuid(int position) {
+        TodorooCursor<Task> c = (TodorooCursor<Task>) getCursor();
+        if (c != null) {
+            if (c.moveToPosition(position)) {
+                return c.get(Task.UUID);
+            } else {
+                return RemoteModel.NO_UUID;
+            }
+        } else {
+            return RemoteModel.NO_UUID;
+        }
+    }
+
     /**
      * View Holder saves a lot of findViewById lookups.
      *