# HG changeset patch
# User paulb
# Date 1130803169 0
# Node ID 4b1390c6a1c0a6ea67b6ce6fae6d4ea2303b22f7
# Parent  548e8ffa6ad83ba031a73d7113d843f2b290e7cf
[project @ 2005-10-31 23:59:29 by paulb]
Fixed template-related filenames and added initialisation resource mappings
and usage of initialisation stylesheets.
Introduced the form_populate method.
Fixed various widget/factory wrapper methods.

diff -r 548e8ffa6ad8 -r 4b1390c6a1c0 XSLForms/Resources/PyQtWebResources.py
--- a/XSLForms/Resources/PyQtWebResources.py	Mon Oct 31 23:57:57 2005 +0000
+++ b/XSLForms/Resources/PyQtWebResources.py	Mon Oct 31 23:59:29 2005 +0000
@@ -27,7 +27,8 @@
 import os
 import libxml2dom
 
-class XSLFormsResource(XSLForms.Resources.WebResources.XSLFormsResource):
+class XSLFormsResource(XSLForms.Resources.WebResources.XSLFormsResource,
+    XSLForms.Resources.Common.PyQtCommonResource):
 
     """
     An XSLForms resource supporting PyQt-compatible Web applications for use
@@ -43,8 +44,10 @@
         # NOTE: Filename extended by string concatenation.
 
         self.template_resources = {}
+        self.init_resources = {}
         for design_identifier, design_name in self.design_resources.items():
-            self.template_resources[design_identifier] = (design_name + ".xhtml", design_name + ".xsl")
+            self.template_resources[design_identifier] = (design_name + "_template.xhtml", design_name + "_output.xsl")
+            self.init_resources[design_identifier] = (design_name + "_template.xhtml", design_name + "_input.xsl")
 
     # Resource methods.
 
@@ -63,7 +66,7 @@
         """
 
         design_path = self.prepare_design(design_identifier)
-        template_filename, output_filename = self.template_resources[output_identifier]
+        template_filename, output_filename = self.template_resources[design_identifier]
         output_path = os.path.abspath(os.path.join(self.resource_dir, output_filename))
         template_path = os.path.abspath(os.path.join(self.resource_dir, template_filename))
         XSLForms.Prepare.ensure_qt_template(design_path, template_path)
@@ -89,9 +92,21 @@
     # PyQt structural methods.
 
     def form_init(self):
+
+        "Initialise a newly-created form."
+
         raise NotImplementedError, "form_init"
 
+    def form_populate(self):
+
+        "Populate the values in a form."
+
+        raise NotImplementedError, "form_populate"
+
     def form_refresh(self):
+
+        "Refresh the form."
+
         raise NotImplementedError, "form_refresh"
 
     # Standard XSLFormsResource method, overridden to handle presentation.
@@ -105,15 +120,24 @@
         documents).
         """
 
+        # Ensure the presence of the template.
+
+        self.prepare_output(self.default_design)
+
         # Remember the document since it is accessed independently elsewhere.
 
         doc = form.get_document(self.default_design)
         if doc is None:
-            self.doc = UINode(form.new_document(self.default_design))
+            doc = form.new_document(self.default_design)
+            doc = self._form_init(doc)
+            self.doc = UINode(doc.xpath("*")[0])
+            self.form_init()
         else:
-            self.doc = UINode(doc)
+            doc = self._form_init(doc)
+            self.doc = UINode(doc.xpath("*")[0])
 
-        self.form_init()
+        self.form_populate()
+        #print self.doc._node.toString("iso-8859-1")
 
         # NOTE: Updates happen here.
 
@@ -123,6 +147,10 @@
         design_xsl = self.prepare_output(self.default_design)
         self.send_output(trans, [design_xsl], doc._node)
 
+    def _form_init(self, doc):
+        input_xsl = self.prepare_initialiser(self.default_design, init_enumerations=0)
+        return self.get_result([input_xsl], doc)
+
 class UINode:
 
     "A PyQt widget tree emulation node."
@@ -144,7 +172,7 @@
         return len(self._node.childNodes)
 
     def currentText(self):
-        return self.getAttribute("value")
+        return self._node.getAttribute("value")
 
     def currentItem(self):
         found = self._node.xpath("*[@value=current()/@value]")
@@ -154,18 +182,32 @@
             return 0
 
     def insertItem(self, item, position=-1):
+        # NOTE: Names invented rather than being extracted from the schema.
+        new_element = self._node.ownerDocument.createElement(self._node.localName + "_enum")
+        new_element.setAttribute("value", item)
+        if position == -1:
+            self._node.appendChild(new_element)
+        else:
+            elements = self._node.xpath("*")
+            if position < len(elements) - 1:
+                self._node.insertBefore(new_element, elements[position])
+            else:
+                self._node.appendChild(new_element)
 
     def parent(self):
         return UINode(self._node.parentNode)
 
     def removeItem(self, item):
+        pass # NOTE: Not implemented yet!
 
     def remove(self, item):
+        pass # NOTE: Not implemented yet!
 
     def layout(self):
         return self
 
-    def setCurrentItem(self):
+    def setCurrentItem(self, index):
+        pass # NOTE: Not implemented yet!
 
     def deleteLater(self):
         self._node.parentNode.removeChild(self._node)
@@ -184,6 +226,6 @@
         'name'.
         """
 
-        return widget.getElementsByTagName(name)
+        return [UINode(node) for node in widget.doc._node.getElementsByTagName(name)]
 
 # vim: tabstop=4 expandtab shiftwidth=4