bb/ui/crumbs/tasklistmodel: track the PN for each entry in the model

Now that we've switched to packages in the model, rather than PN, it makes
sense to add an extra field to store the PN of the package.

This patch includes a convenience method to retrieve a list of selected PN's.

Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

bitbake/lib/bb/ui/crumbs/tasklistmodel.py

@@ -89,7 +89,7 @@ class TaskListModel(gtk.ListStore):
     providing convenience functions to access gtk.TreeModel subclasses which
     provide filtered views of the data.
     """
-    (COL_NAME, COL_DESC, COL_LIC, COL_GROUP, COL_DEPS, COL_BINB, COL_TYPE, COL_INC, COL_IMG, COL_PATH) = range(10)
+    (COL_NAME, COL_DESC, COL_LIC, COL_GROUP, COL_DEPS, COL_BINB, COL_TYPE, COL_INC, COL_IMG, COL_PATH, COL_PN) = range(11)
 
     __gsignals__ = {
         "tasklist-populated" : (gobject.SIGNAL_RUN_LAST,
@@ -122,6 +122,7 @@ def __init__(self):
                                 gobject.TYPE_STRING,
                                 gobject.TYPE_BOOLEAN,
                                 gobject.TYPE_BOOLEAN,
+                                gobject.TYPE_STRING,
                                 gobject.TYPE_STRING)
 
     """
@@ -265,7 +266,8 @@ def populate(self, event_model):
                          self.COL_LIC, lic, self.COL_GROUP, group,
                          self.COL_DEPS, " ".join(packages[p]), self.COL_BINB, "",
                          self.COL_TYPE, atype, self.COL_INC, False,
-                         self.COL_IMG, False, self.COL_PATH, filename)
+                         self.COL_IMG, False, self.COL_PATH, filename,
+                         self.COL_PN, item)
 
 	self.emit("tasklist-populated")
 
@@ -527,6 +529,20 @@ def get_selected_packages(self):
             it = self.contents.iter_next(it)
         return userpkgs, allpkgs
 
+    """
+    Return a squished (uniquified) list of the PN's of all selected items
+    """
+    def get_selected_pn(self):
+        pns = []
+
+        it = self.contents.get_iter_first()
+        while it:
+            if self.contents.get_value(it, self.COL_BINB):
+                pns.append(self.contents.get_value(it, self.COL_PN))
+            it = self.contents.iter_next(it)
+
+        return self.squish(pns)
+
     def image_contents_removed(self):
         it = self.get_iter_first()
         while it: