Don't save form contents to docdata/

But existing saved form from previous Okular versions are preserved

core/document.cpp

@@ -1198,12 +1198,13 @@ void DocumentPrivate::saveDocumentInfo() const
         // 2.1. Save page attributes (bookmark state, annotations, ... ) to DOM
         QDomElement pageList = doc.createElement( "pageList" );
         root.appendChild( pageList );
-        // OriginalAnnotationPageItems tells to store the same unmodified
-        // annotation list that we read when we opened the file and ignore any
-        // change made by the user. Since we don't store annotations in
-        // docdata/ any more, this is necessary to preserve annotations that
-        // previous Okular version had stored there.
-        const PageItems saveWhat = AllPageItems | OriginalAnnotationPageItems;
+        // OriginalAnnotationPageItems and OriginalFormFieldPageItems tell to
+        // store the same unmodified annotation list and form contents that we
+        // read when we opened the file and ignore any change made by the user.
+        // Since we don't store annotations and forms docdata/ any more, this is
+        // necessary to preserve annotations/forms that previous Okular version
+        // had stored there.
+        const PageItems saveWhat = AllPageItems | OriginalAnnotationPageItems | OriginalFormFieldPageItems;
         // <page list><page number='x'>.... </page> save pages that hold data
         QVector< Page * >::const_iterator pIt = m_pagesVector.constBegin(), pEnd = m_pagesVector.constEnd();
         for ( ; pIt != pEnd; ++pIt )
@@ -2921,6 +2922,16 @@ void DocumentPrivate::notifyAnnotationChanges( int page )
     foreachObserverD( notifyPageChanged( page, flags ) );
 }
 
+void DocumentPrivate::notifyFormChanges( int page )
+{
+    // Unless we're still loading initial form contents from metadata, the user
+    // now needs to save or form changes will be lost
+    if ( !m_metadataLoadingCompleted )
+        return;
+
+    foreachObserverD( notifyPageChanged( page, DocumentObserver::NeedSaveAs ) );
+}
+
 void Document::addPageAnnotation( int page, Annotation * annotation )
 {
     // Transform annotation's base boundary rectangle into unrotated coordinates

core/document_p.h

@@ -133,6 +133,7 @@ class DocumentPrivate
         bool savePageDocumentInfo( KTemporaryFile *infoFile, int what ) const;
         DocumentViewport nextDocumentViewport() const;
         void notifyAnnotationChanges( int page );
+        void notifyFormChanges( int page );
         bool canAddAnnotationsNatively() const;
         bool canModifyExternalAnnotations() const;
         bool canRemoveExternalAnnotations() const;

core/documentcommands.cpp

@@ -368,6 +368,7 @@ void EditFormTextCommand::undo()
     moveViewportIfBoundingRectNotFullyVisible( m_form->rect(), m_docPriv, m_pageNumber );
     m_form->setText( m_prevContents );
     emit m_docPriv->m_parent->formTextChangedByUndoRedo( m_pageNumber, m_form, m_prevContents, m_prevCursorPos, m_prevAnchorPos );
+    m_docPriv->notifyFormChanges( m_pageNumber );
 }
 
 void EditFormTextCommand::redo()
@@ -375,6 +376,7 @@ void EditFormTextCommand::redo()
     moveViewportIfBoundingRectNotFullyVisible( m_form->rect(), m_docPriv, m_pageNumber );
     m_form->setText( m_newContents  );
     emit m_docPriv->m_parent->formTextChangedByUndoRedo( m_pageNumber, m_form, m_newContents, m_newCursorPos, m_newCursorPos );
+    m_docPriv->notifyFormChanges( m_pageNumber );
 }
 
 int EditFormTextCommand::id() const
@@ -415,6 +417,7 @@ void EditFormListCommand::undo()
     moveViewportIfBoundingRectNotFullyVisible( m_form->rect(), m_docPriv, m_pageNumber );
     m_form->setCurrentChoices( m_prevChoices );
     emit m_docPriv->m_parent->formListChangedByUndoRedo( m_pageNumber, m_form, m_prevChoices );
+    m_docPriv->notifyFormChanges( m_pageNumber );
 }
 
 void EditFormListCommand::redo()
@@ -422,6 +425,7 @@ void EditFormListCommand::redo()
     moveViewportIfBoundingRectNotFullyVisible( m_form->rect(), m_docPriv, m_pageNumber );
     m_form->setCurrentChoices( m_newChoices );
     emit m_docPriv->m_parent->formListChangedByUndoRedo( m_pageNumber, m_form, m_newChoices );
+    m_docPriv->notifyFormChanges( m_pageNumber );
 }
 
 EditFormComboCommand::EditFormComboCommand( Okular::DocumentPrivate* docPriv,
@@ -468,6 +472,7 @@ void EditFormComboCommand::undo()
     }
     moveViewportIfBoundingRectNotFullyVisible( m_form->rect(), m_docPriv, m_pageNumber );
     emit m_docPriv->m_parent->formComboChangedByUndoRedo( m_pageNumber, m_form, m_prevContents, m_prevCursorPos, m_prevAnchorPos );
+    m_docPriv->notifyFormChanges( m_pageNumber );
 }
 
 void EditFormComboCommand::redo()
@@ -482,6 +487,7 @@ void EditFormComboCommand::redo()
     }
     moveViewportIfBoundingRectNotFullyVisible( m_form->rect(), m_docPriv, m_pageNumber );
     emit m_docPriv->m_parent->formComboChangedByUndoRedo( m_pageNumber, m_form, m_newContents, m_newCursorPos, m_newCursorPos );
+    m_docPriv->notifyFormChanges( m_pageNumber );
 }
 
 int EditFormComboCommand::id() const
@@ -538,6 +544,7 @@ void EditFormButtonsCommand::undo()
     Okular::NormalizedRect boundingRect = buildBoundingRectangleForButtons( m_formButtons );
     moveViewportIfBoundingRectNotFullyVisible( boundingRect, m_docPriv, m_pageNumber );
     emit m_docPriv->m_parent->formButtonsChangedByUndoRedo( m_pageNumber, m_formButtons );
+    m_docPriv->notifyFormChanges( m_pageNumber );
 }
 
 void EditFormButtonsCommand::redo()
@@ -553,6 +560,7 @@ void EditFormButtonsCommand::redo()
     Okular::NormalizedRect boundingRect = buildBoundingRectangleForButtons( m_formButtons );
     moveViewportIfBoundingRectNotFullyVisible( boundingRect, m_docPriv, m_pageNumber );
     emit m_docPriv->m_parent->formButtonsChangedByUndoRedo( m_pageNumber, m_formButtons );
+    m_docPriv->notifyFormChanges( m_pageNumber );
 }
 
 void EditFormButtonsCommand::clearFormButtonStates()

core/observer.h

@@ -45,7 +45,7 @@ class OKULAR_EXPORT DocumentObserver
             TextSelection = 8,    ///< Text selection has been changed
             Annotations = 16,     ///< Annotations have been changed
             BoundingBox = 32,     ///< Bounding boxes have been changed
-            NeedSaveAs = 64       ///< Set along with Annotations when Save As is needed or annotation changes will be lost @since 0.15 (KDE 4.9)
+            NeedSaveAs = 64       ///< Set when "Save" is needed or annotation/form changes will be lost @since 0.15 (KDE 4.9)
         };
 
         /**

core/page.cpp

@@ -832,6 +832,10 @@ void PagePrivate::restoreLocalContents( const QDomNode & pageNode )
         // parse formList child element
         else if ( childElement.tagName() == "forms" )
         {
+            // Clone forms as root node in restoredFormFieldList
+            const QDomNode clonedNode = restoredFormFieldList.importNode( childElement, true );
+            restoredFormFieldList.appendChild( clonedNode );
+
             if ( formfields.isEmpty() )
                 continue;
 
@@ -927,7 +931,17 @@ void PagePrivate::saveLocalContents( QDomNode & parentNode, QDomDocument & docum
     }
 
     // add forms info if has got any
-    if ( ( what & FormFieldPageItems ) && !formfields.isEmpty() )
+    if ( ( what & FormFieldPageItems ) && ( what & OriginalFormFieldPageItems ) )
+    {
+        const QDomElement savedDocRoot = restoredFormFieldList.documentElement();
+        if ( !savedDocRoot.isNull() )
+        {
+            // Import and append node in target document
+            const QDomNode importedNode = document.importNode( savedDocRoot, true );
+            pageElement.appendChild( importedNode );
+        }
+    }
+    else if ( ( what & FormFieldPageItems ) && !formfields.isEmpty() )
     {
         // create the formList
         QDomElement formListElement = document.createElement( "forms" );

core/page_p.h

@@ -48,7 +48,11 @@ enum PageItem
 
     /* If set along with AnnotationPageItems, tells saveLocalContents to save
      * the original annotations (if any) instead of the modified ones */
-    OriginalAnnotationPageItems = 0x100
+    OriginalAnnotationPageItems = 0x100,
+
+    /* If set along with FormFieldPageItems, tells saveLocalContents to save
+     * the original form contents (if any) instead of the modified one */
+    OriginalFormFieldPageItems = 0x200
 };
 Q_DECLARE_FLAGS(PageItems, PageItem)
 
@@ -142,6 +146,7 @@ class PagePrivate
 
         bool m_isBoundingBoxKnown : 1;
         QDomDocument restoredLocalAnnotationList; // <annotationList>...</annotationList>
+        QDomDocument restoredFormFieldList; // <forms>...</forms>
 };
 
 }