Support scriptable URLs for matrixbox cells, similar to listbox URL columns

(with the difference that matrixbox does not make automatically and URL to the
document if no URL column are defined).


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@37277 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/MatrixBox.py

@@ -27,8 +27,11 @@
 #
 ##############################################################################
 
+import sys
 from AccessControl import ClassSecurityInfo
 from AccessControl.ZopeGuards import guarded_getattr
+from ZODB.POSException import ConflictError
+from zLOG import LOG, WARNING
 from Products.Formulator.DummyField import fields
 from Products.Formulator import Widget, Validator
 from Products.Formulator.Errors import FormValidationError, ValidationError
@@ -55,8 +58,7 @@ class MatrixBoxWidget(Widget.Widget):
                      ['cell_base_id', 'cell_portal_type', 'lines', 'columns',
                       'tabs', 'as_cell_range_script_id', 'getter_method',
                       'editable_attributes', 'global_attributes',
-                      'cell_getter_method',
-                      'update_cell_range' ]
+                      'cell_getter_method', 'update_cell_range', 'url_cells' ]
 
     default = fields.TextAreaField('default',
                                    title='Default',
@@ -182,6 +184,14 @@ class MatrixBoxWidget(Widget.Widget):
         "The cell range should be updated upon edit."),
                                   default=0)
 
+    url_cells = fields.ListTextAreaField('url_cells',
+                                 title="URL Cells",
+                                 description=(
+        "An optional list of cells which can provide a custom URL."
+        "If no url cell is used, then no link is displayed."),
+                                 default=[],
+                                 required=0)
+
     def render(self, field, key, value, REQUEST, render_format='html', render_prefix=None):
         """
           This is where most things happen. This method renders a list
@@ -237,6 +247,8 @@ class MatrixBoxWidget(Widget.Widget):
         else:
           cell_getter_method = context.getCell
         editable_attributes = field.get_value('editable_attributes')
+        url_cells = field.get_value('url_cells')
+        url_cell_dict = dict(url_cells)
 
         # This is required when we have no tabs
         if len(tabs) == 0:
@@ -335,7 +347,7 @@ class MatrixBoxWidget(Widget.Widget):
                 list_result_lines = [ str(l[1]) ]
               
               for c in columns:
-                has_error = 0
+                has_error = False
                 column_id = c[0]
                 if (column_id is not None) and \
                    (not isinstance(column_id, (list, tuple))):
@@ -352,8 +364,28 @@ class MatrixBoxWidget(Widget.Widget):
                 REQUEST['cell'] = cell
                 
                 cell_body = ''
+                cell_url = None
 
                 for attribute_id in editable_attribute_ids:
+                  if attribute_id in url_cell_dict:
+                    url_method_id = url_cell_dict[attribute_id]
+                    if url_method_id not in (None, ''):
+                      url_method = getattr(cell, url_method_id, None)
+                      if url_method is not None:
+                        try:
+                          cell_url = url_method(brain=cell,
+                                                cell_index=kw,
+                                                cell_position=((i,j,k) + extra_dimension_position))
+                        except (ConflictError, RuntimeError):
+                          raise
+                        except:
+                          LOG('MatrixBox', WARNING, 'Could not evaluate the url '
+                              'method %r with %r' % (url_method, cell),
+                              error=sys.exc_info())
+                      else:
+                        LOG('MatrixBox', WARNING,
+                            'Could not find the url method %s' % (url_method_id,))
+
                   my_field_id = '%s_%s' % (field.id, attribute_id)
                   if form.has_field(my_field_id):
                     my_field = form.get_field(my_field_id)
@@ -372,20 +404,24 @@ class MatrixBoxWidget(Widget.Widget):
                                                     attribute_value)
                         else:
                           display_value = attribute_value
+                        cell_html = my_field.render(value=display_value,
+                                              REQUEST=REQUEST,
+                                              key=key)
+                        if cell_url:
+                          # don't make a link if widget is editable
+                          if not my_field.get_value('editable',
+                             cell=cell, cell_index=kw,
+                             cell_position=((i,j,k)+extra_dimension_position)):
+                            cell_html = "<a href='%s'>%s</a>" % (cell_url,
+                                                                 cell_html)
                         if field_errors.has_key(key):
                           # Display error message if this cell has an error
-                          has_error = 1
+                          has_error = True
                           cell_body += '<span class="input">%s</span>%s' % (
-                              my_field.render(value=display_value,
-                                              REQUEST=REQUEST,
-                                              key=key),
-                              translateString(field_errors[key].error_text))
+                              cell_html, translateString(field_errors[key].error_text))
                         else:
-                          cell_body += '<span class="input">%s</span>' %\
-                                           my_field.render(
-                                              value=display_value,
-                                              REQUEST=REQUEST,
-                                              key=key)
+                          cell_body += '<span class="input">%s</span>' % (
+                                          cell_html )
                         
                       elif render_format == 'list':
                         if not my_field.get_value('hidden'):
@@ -405,7 +441,7 @@ class MatrixBoxWidget(Widget.Widget):
                           display_value = attribute_value
                         if field_errors.has_key(key):
                           # Display error message if this cell has an error
-                          has_error = 1
+                          has_error = True
                           cell_body += '<span class="input">%s</span>%s' % (
                               my_field.render(value=display_value,
                                               REQUEST=REQUEST,
@@ -421,7 +457,7 @@ class MatrixBoxWidget(Widget.Widget):
                         list_result_lines.append(None)
                         
                 css = td_css
-                if has_error :
+                if has_error:
                   css = 'error'
                 list_body = list_body + \
                       ('<td class=\"%s\">%s</td>' % (css, cell_body))