# HG changeset patch
# User Thierry Florac <thierry.florac@onf.fr>
# Date 1510311821 -3600
# Node ID 8af313b5b59036a88d7cbfa35dd4374f8dfb4248
# Parent  b8b918680c52ef811ce39cd551154dcbedde0a6a
Added imagemap paragraph preview checker

diff -r b8b918680c52 -r 8af313b5b590 src/pyams_content/shared/imagemap/paragraph.py
--- a/src/pyams_content/shared/imagemap/paragraph.py	Fri Nov 10 12:03:07 2017 +0100
+++ b/src/pyams_content/shared/imagemap/paragraph.py	Fri Nov 10 12:03:41 2017 +0100
@@ -17,12 +17,17 @@
 
 # import interfaces
 from pyams_content.component.paragraph.interfaces import IParagraphFactory
+from pyams_content.features.checker.interfaces import IContentChecker, ERROR_VALUE, MISSING_VALUE, MISSING_LANG_VALUE
 from pyams_content.shared.imagemap.interfaces import IImageMapParagraph
+from pyams_i18n.interfaces import II18nManager, INegotiator, II18n
+from pyams_workflow.interfaces import IWorkflow
 
 # import packages
-from pyams_content.component.paragraph import BaseParagraph
+from pyams_content.component.paragraph import BaseParagraph, BaseParagraphContentChecker
 from pyams_sequence.utility import get_reference_target
-from pyams_utils.registry import utility_config
+from pyams_utils.adapter import adapter_config
+from pyams_utils.registry import utility_config, get_utility
+from pyams_utils.traversing import get_parent
 from zope.interface import implementer
 from zope.schema.fieldproperty import FieldProperty
 
@@ -48,3 +53,34 @@
 
     name = _("Image map")
     content_type = ImageMapParagraph
+
+
+@adapter_config(context=IImageMapParagraph, provides=IContentChecker)
+class ImageMapParagraphContentChecker(BaseParagraphContentChecker):
+    """ImageMap paragraph content checker"""
+
+    def inner_check(self, request):
+        output = []
+        translate = request.localizer.translate
+        manager = get_parent(self.context, II18nManager)
+        if manager is not None:
+            langs = manager.get_languages()
+        else:
+            negotiator = get_utility(INegotiator)
+            langs = (negotiator.server_language, )
+        i18n = II18n(self.context)
+        for lang in langs:
+            value = i18n.get_attribute('title', lang, request)
+            if not value:
+                field_title = translate(IImageMapParagraph['title'].title)
+                if len(langs) == 1:
+                    output.append(translate(MISSING_VALUE).format(field=field_title))
+                else:
+                    output.append(translate(MISSING_LANG_VALUE).format(field=field_title, lang=lang))
+        target = self.context.get_target()
+        if target is not None:
+            workflow = IWorkflow(target, None)
+            if workflow is not None:
+                output.append(translate(ERROR_VALUE).format(field=translate(IImageMapParagraph['reference'].title),
+                                                            message=translate(_("target is not published"))))
+        return output