Support to have HTML in LabelField and LinkField

tests/test_widgets.py

@@ -127,13 +127,39 @@ class TestLabelField(WidgetTest):
         value="info" name="hidden_name" id="hid"/></span>"""
     validate_params = [[None, {'hid': 'b'}, EmptyField]]
 
+    def test_escape(self):
+        attrs = {'value': 'line 1<br />line 2'}
+        expected = '<span>line 1&lt;br /&gt;line 2<input value="line 1&lt;br /&gt;line 2" type="hidden"/></span>'
+        for engine in self._get_all_possible_engines():
+            yield (self._check_rendering_vs_expected,
+                engine, attrs, self.params, expected)
+
+        attrs = {'value': 'line 1<br />line 2', 'escape': False}
+        expected = '<span>line 1<br />line 2<input value="line 1<br />line 2" type="hidden"/></span>'
+        for engine in self._get_all_possible_engines():
+            yield (self._check_rendering_vs_expected,
+                engine, attrs, self.params, expected)
+
 
 class TestLinkField(WidgetTest):
     widget = LinkField
     attrs = {'css_class': 'something', 'value': 'info',
         'name': 'hidden_name', 'text': 'some $', 'link': '/some/$'}
     expected = """<a href="/some/info" class="something">some info</a>"""
 
+    def test_escape(self):
+        attrs = {'text': 'line 1<br />line 2'}
+        expected = '<a href="">line 1&lt;br /&gt;line 2</a>'
+        for engine in self._get_all_possible_engines():
+            yield (self._check_rendering_vs_expected,
+                engine, attrs, self.params, expected)
+
+        attrs = {'text': 'line 1<br />line 2', 'escape': False}
+        expected = '<a href="">line 1<br />line 2</a>'
+        for engine in self._get_all_possible_engines():
+            yield (self._check_rendering_vs_expected,
+                engine, attrs, self.params, expected)
+
 
 class TestButton(WidgetTest):
     widget = Button

tw2/forms/templates/label_field.jinja

@@ -1 +1 @@
-<span>{{ w.value|string }}<input {{ w.attrs|xmlattr }}/></span>
+<span>{% if w.escape %}{{ w.value|string }}{% else %}{{ w.value|safe }}{% endif %}<input {{ w.attrs|xmlattr }}/></span>

tw2/forms/templates/label_field.mak

@@ -1,2 +1,8 @@
 <%namespace name="tw" module="tw2.core.mako_util"/>\
-<span>${w.value or ''}<input ${tw.attrs(attrs=w.attrs)}/></span>
+<span>\
+% if w.escape:
+${w.value or ''}\
+% else:
+${w.value or '' | n}\
+% endif
+<input ${tw.attrs(attrs=w.attrs)}/></span>

tw2/forms/templates/link_field.jinja

@@ -1 +1 @@
-<a {{ w.attrs|xmlattr }}>{{ w.text }}</a>
+<a {{ w.attrs|xmlattr }}>{% if w.escape %}{{ w.text }}{% else %}{{ w.text|safe }}{% endif %}</a>

tw2/forms/templates/link_field.mak

@@ -1,2 +1,8 @@
 <%namespace name="tw" module="tw2.core.mako_util"/>\
-<a ${tw.attrs(attrs=w.attrs)}>${w.text}</a>
+<a ${tw.attrs(attrs=w.attrs)}>\
+% if w.escape:
+${w.text}\
+% else:
+${w.text | n}\
+% endif
+</a>

tw2/forms/widgets.py

@@ -195,6 +195,7 @@ class LabelField(InputField):
     """
     type = 'hidden'
     template = "tw2.forms.templates.label_field"
+    escape = twc.Param('Whether text shall be html-escaped or not', default=True)
     validator = twc.BlankValidator
 
 
@@ -208,6 +209,7 @@ class LinkField(twc.Widget):
     link = twc.Param('Link target', default='')
     text = twc.Param('Link text', default='')
     value = twc.Param("Value to replace $ with in the link/text")
+    escape = twc.Param('Whether text shall be html-escaped or not', default=True)
     validator = twc.BlankValidator
 
     def prepare(self):