Add support for "new-style grids" and "model master views".

Finally, an API that makes some sense...  We don't yet have feature parity
with the old-style grids and CRUD views, but this is already a significant
improvement to the design.  Still needs a lot of docs though...

tailbone/templates/newgrids/complete.mako

@@ -0,0 +1,7 @@
+## -*- coding: utf-8 -*-
+<div class="newgrid-wrapper">
+  % if grid.filterable:
+      ${grid.render_filters()|n}
+  % endif
+  ${grid.render_grid()|n}
+</div><!-- newgrid-wrapper -->

tailbone/templates/newgrids/filters.mako

@@ -0,0 +1,31 @@
+## -*- coding: utf-8 -*-
+<div class="newfilters">
+
+  ${form.begin(method='get')}
+
+    <fieldset>
+      <legend>Filters</legend>
+      % for filtr in form.iter_filters():
+          <div class="filter" id="filter-${filtr.key}" data-key="${filtr.key}"${' style="display: none;"' if not filtr.active else ''|n}>
+            ${form.checkbox('{0}-active'.format(filtr.key), class_='active', id='filter-active-{0}'.format(filtr.key), checked=filtr.active)}
+            <label for="filter-active-${filtr.key}">${filtr.label}</label>
+            <div class="inputs">
+              ${form.filter_verb(filtr)}
+              ${form.filter_value(filtr)}
+            </div>
+          </div>
+      % endfor
+    </fieldset>
+
+    <div class="buttons">
+      ${form.tag('button', type='submit', id='apply-filters', c="Apply Filters")}
+      <select id="add-filter">
+        <option value="">Add a Filter</option>
+        % for filtr in form.iter_filters():
+            <option value="${filtr.key}"${' disabled="disabled"' if filtr.active else ''|n}>${filtr.label}</option>
+        % endfor
+      </select>
+    </div>
+
+  ${form.end()}
+</div><!-- newfilters -->

tailbone/templates/newgrids/grid.mako

@@ -0,0 +1,50 @@
+## -*- coding: utf-8 -*-
+<div ${format_attrs(**grid.get_div_attrs())}>
+  <table>
+    <thead>
+      <tr>
+##         % if grid.checkboxes:
+##             <th class="checkbox">${h.checkbox('check-all')}</th>
+##         % endif
+        % for column in grid.iter_visible_columns():
+            ${grid.column_header(column)}
+        % endfor
+        % if grid.show_actions_column:
+            <th class="actions">Actions</th>
+        % endif
+      </tr>
+    </thead>
+    <tbody>
+      % for i, row in enumerate(grid.iter_rows(), 1):
+          <tr ${format_attrs(**grid.get_row_attrs(row, i))}>
+##             % if grid.checkboxes:
+##                 <td class="checkbox">${grid.checkbox(row)}</td>
+##             % endif
+            % for column in grid.iter_visible_columns():
+                <td ${format_attrs(**grid.get_cell_attrs(row, column))}>${grid.render_cell(row, column)}</td>
+            % endfor
+            % if grid.show_actions_column:
+                <td class="actions">
+                  ${grid.render_actions(row)}
+                </td>
+            % endif
+          </tr>
+      % endfor
+    </tbody>
+  </table>
+  % if grid.pageable:
+      <div class="pager">
+        <p class="showing">
+          showing ${grid.pager.first_item} thru ${grid.pager.last_item} of ${grid.pager.item_count}
+          % if grid.pager.page_count > 1:
+              (page ${grid.pager.page} of ${grid.pager.page_count})
+          % endif
+        </p>
+        <p class="page-links">
+          ${h.select('pagesize', grid.pager.items_per_page, grid.get_pagesize_options())}
+          per page&nbsp;
+          ${grid.pager.pager('$link_first $link_previous ~1~ $link_next $link_last', symbol_next='next', symbol_previous='prev', partial=1)}
+        </p>
+      </div>
+  % endif
+</div>