Fix issue, that the details-view has no size and date column in the following case:

- Use icons-view as default view
- Create a new directory
- Change view-properties of directory to show e.g. the owner
- Switch to the details-view

svn path=/trunk/KDE/kdebase/apps/; revision=1178311

diff --git a/src/views/viewproperties.cpp b/src/views/viewproperties.cpp
index 72042179b2757254b95ff367bfa7c783ee8aa3e3..d6d5bfd941ba9f8159b2b6ce306dd3ea59ef04b0 100644 (file)
--- a/src/views/viewproperties.cpp
+++ b/src/views/viewproperties.cpp
@@ -35,6 +35,13 @@
 
 #include "settings/dolphinsettings.h"
 
+namespace {
+    // String representation to mark the additional properties of
+    // the details view as customized by the user. See
+    // ViewProperties::additionalInfoV2() for more information.
+    const char* CustomizedDetailsString = "CustomizedDetails";
+}
+
 ViewProperties::ViewProperties(const KUrl& url) :
     m_changedProps(false),
     m_autoSave(true),
@@ -224,6 +231,17 @@ void ViewProperties::setAdditionalInfo(const KFileItemDelegate::InformationList&
         if (m_node->version() < 2) {
             m_node->setVersion(2);
         }
+
+        const bool markCustomizedDetails = (m_node->viewMode() == DolphinView::DetailsView)
+                                           && !newInfoStringList.contains(CustomizedDetailsString);
+        if (markCustomizedDetails) {
+            // The additional information of the details-view has been modified. Set a marker,
+            // so that it is allowed to also show no additional information
+            // (see fallback in ViewProperties::additionalInfoV2, if no additional information is
+            // available).
+            newInfoStringList.append(CustomizedDetailsString);
+        }
+
         m_node->setAdditionalInfoV2(newInfoStringList);
         update();
     }
@@ -355,6 +373,12 @@ KFileItemDelegate::InformationList ViewProperties::additionalInfoV2() const
     //
     // To get the representation as KFileItemDelegate::InformationList, the current
     // view-mode must be checked and the values of this mode added to the list.
+    //
+    // For the details-view a special case must be respected: Per default the size
+    // and date should be shown without creating a .directory file. Only if
+    // the user explictly has modified the properties of the details view (marked
+    // by "CustomizedDetails"), also a details-view with no additional information
+    // is accepted.
 
     KFileItemDelegate::InformationList usedInfo;
 
@@ -382,6 +406,16 @@ KFileItemDelegate::InformationList ViewProperties::additionalInfoV2() const
         }
     }
 
+    // For the details view the size and date should be shown per default
+    // until the additional information has been explicitly changed by the user
+    const bool useDefaultValues = usedInfo.isEmpty()
+                                  && (m_node->viewMode() == DolphinView::DetailsView)
+                                  && !infoStringList.contains(CustomizedDetailsString);
+    if (useDefaultValues) {
+        usedInfo.append(KFileItemDelegate::Size);
+        usedInfo.append(KFileItemDelegate::ModificationTime);
+    }
+
     return usedInfo;
 }