tdf#130199 sw Confirm deletion of hidden sections

To enhance the existing discoverability of hidden sections
via Navigator by a confirmation box when a hidden section
is to be deleted.

Also add an option to switch on/off this warning message named
"ShowWarningHiddenSection". The default setting is on.

Change-Id: I91a1a32524f8d8d8fd0f230c142654df4367e729
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/150231
Tested-by: Jenkins
Reviewed-by: Balazs Varga <balazs.varga.extern@allotropia.de>

4 files changed, 19 insertions, 0 deletions

diff --git a/sw/inc/crsrsh.hxx b/sw/inc/crsrsh.hxx
index ddb7b301beef..319911a33e65 100644
--- a/sw/inc/crsrsh.hxx
+++ b/sw/inc/crsrsh.hxx
@@ -486,6 +486,7 @@ public:
     // Cursor is placed in something that is protected or selection contains
     // something that is protected.
     bool HasReadonlySel(bool isReplace = false) const;
+    bool HasHiddenSections() const;
 
     // Can the cursor be set to read only ranges?
     bool IsReadOnlyAvailable() const { return m_bSetCursorInReadOnly; }
diff --git a/sw/inc/editsh.hxx b/sw/inc/editsh.hxx
index 663a0ffc35f7..8711b132c745 100644
--- a/sw/inc/editsh.hxx
+++ b/sw/inc/editsh.hxx
@@ -81,6 +81,7 @@ class SwLineNumberInfo;
 class SwAuthEntry;
 class SwRewriter;
 class SwView;
+class SwWrtShell;
 struct SwConversionArgs;
 struct SvxSwAutoFormatFlags;
 struct SwInsertTableOptions;
@@ -623,6 +624,19 @@ public:
     /// Apply ViewOptions with Start-/EndAction.
     virtual void ApplyViewOptions( const SwViewOption &rOpt ) override;
 
+    /// Selected area has readonly content
+    virtual void InfoReadOnlyDialog(bool /*bAsync*/) const
+    {
+        // override in SwWrtShell
+    }
+
+    /// Selected area has hidden content
+    virtual bool WarnHiddenSectionDialog() const
+    {
+        // override in SwWrtShell
+        return true;
+    }
+
     /** Query text within selection. */
     void GetSelectedText( OUString &rBuf,
                         ParaBreakType nHndlParaBreak = ParaBreakType::ToBlank );
diff --git a/sw/inc/pam.hxx b/sw/inc/pam.hxx
index 746fa22840c0..2a7a0cdb8bd3 100644
--- a/sw/inc/pam.hxx
+++ b/sw/inc/pam.hxx
@@ -309,6 +309,8 @@ public:
     /** Is in something protected (readonly) or selection contains
        something protected. */
     bool HasReadonlySel(bool bFormView, bool isReplace) const;
+    /** Is there hidden sections in the selected area. */
+    bool HasHiddenSections() const;
 
     bool ContainsPosition(const SwPosition & rPos) const
     {
diff --git a/sw/inc/swcrsr.hxx b/sw/inc/swcrsr.hxx
index 486507b23c4e..570780080f5e 100644
--- a/sw/inc/swcrsr.hxx
+++ b/sw/inc/swcrsr.hxx
@@ -283,6 +283,8 @@ public:
     SwCursor* MakeBoxSels( SwCursor* pCurrentCursor );
     // Any boxes protected?
     bool HasReadOnlyBoxSel() const;
+    // Any boxes hidden?
+    bool HasHiddenBoxSel() const;
 
     // Has table cursor been changed? If so, save new values immediately.
     bool IsCursorMovedUpdate();