--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/p4l/semantictree/forms/widgets.py	Wed Sep 04 16:56:55 2013 +0200
@@ -0,0 +1,86 @@
+"""
+Some useful form widgets
+"""
+
+from django import forms
+from django.core.exceptions import ValidationError
+from django.forms.util import flatatt
+from django.utils.html import format_html
+from django.utils.encoding import force_text
+from django.utils.translation import ugettext as _
+
+import logging
+logger = logging.getLogger(__name__)
+
+class SemanticTreeWidget(forms.TextInput):
+    """
+    A widget that enables to request semantic trees
+    """
+    
+    class Media:
+        css = {
+            'all': ('semantictree/semantictree.css',)
+        }
+        js = ('semantictree/semantictree.js',)
+    
+    # The user can add css classes but we always add "semantic-tree" class
+    def render(self, name, value, attrs=None):
+        if value is None:
+            value = ''
+        final_attrs = self.build_attrs(attrs, type=self.input_type, name=name)
+        # Test if class attr is here
+        if "class" in final_attrs:
+            final_attrs["class"] += " semantic-tree"
+        else:
+            final_attrs["class"] = "semantic-tree"
+        if value != '':
+            # Only add the 'value' attribute if a value is non-empty.
+            final_attrs['value'] = force_text(self._format_value(value))
+        final_attrs['placeholder'] = _("Search")
+        input_res = format_html('<input{0} />', flatatt(final_attrs))
+        
+        if "data-url" not in final_attrs or "data-query" not in final_attrs or "data-root-query" not in final_attrs or "data-childs-query" not in final_attrs or "data-child-count-query" not in final_attrs:
+            raise ValidationError(_('"data-url", "data-query", "data-root-query", "data-childs-query" and "data-child-count-query" must be set in CharField configuration'))
+        dialog_text = _("Browse")
+        
+        dialog_res = "<span id=\"dialog-link-container-" + final_attrs["name"] + "\" class=\"dialog-link-container ui-state-default ui-corner-all\"><a href=\"#\" id=\"dialog-link-" + final_attrs["name"] + "\" class=\"dialog-link\" title=\"%s\">%s</a></span>" % (dialog_text,dialog_text)
+        dialog_res += '<span id="dialog-' + final_attrs["name"] + '" class="dialog" title="Select term"><span id="term-tree-' + final_attrs["name"] + '"></span></span>'
+        
+        return input_res + " " + _("or") + " " + dialog_res
+
+
+class SemanticTagItWidget(forms.TextInput):
+    """
+    A widget that enables to request semantic trees
+    """
+    
+    class Media:
+        css = {
+            'all': ('semantictree/semantictree.css',)
+        }
+        js = ('semantictree/semantictree.js',)
+    
+    # The user can add css classes but we always add "semantic-tree" class
+    def render(self, name, value, attrs=None):
+        if value is None:
+            value = ''
+        final_attrs = self.build_attrs(attrs, type=self.input_type, name=name)
+        # Test if class attr is here
+        if "class" in final_attrs:
+            final_attrs["class"] += " semantic-tree-tagit"
+        else:
+            final_attrs["class"] = "semantic-tree-tagit"
+        if value != '':
+            # Only add the 'value' attribute if a value is non-empty.
+            final_attrs['value'] = force_text(self._format_value(value))
+        
+        input_res = format_html('<input{0} />', flatatt(final_attrs))
+        
+        if "data-url" not in final_attrs or "data-query" not in final_attrs or "data-root-query" not in final_attrs or "data-childs-query" not in final_attrs or "data-child-count-query" not in final_attrs:
+            raise ValidationError(_('"data-url", "data-query", "data-root-query", "data-childs-query" and "data-child-count-query" must be set in CharField configuration'))
+        dialog_text = _("Browse")
+        
+        dialog_res = "<span id=\"dialog-link-container-" + final_attrs["name"] + "\" class=\"dialog-link-container ui-state-default ui-corner-all\"><a href=\"#\" id=\"dialog-link-" + final_attrs["name"] + "\" class=\"dialog-link\" title=\"%s\">%s</a></span>" % (dialog_text,dialog_text)
+        dialog_res += '<span id="dialog-' + final_attrs["name"] + '" class="dialog" title="Select term"><span id="term-tree-' + final_attrs["name"] + '"></span></span>'
+        
+        return input_res + " " + _("or") + " " + dialog_res
\ No newline at end of file