* InsetGraphics.{cpp.h}:

[features.git] / src / frontends / qt4 / GuiGraphics.cpp

diff --git a/src/frontends/qt4/GuiGraphics.cpp b/src/frontends/qt4/GuiGraphics.cpp
index f4a3928feb1dbd10f86f7719059776530b2d7906..0ca3ebb55c715f391d8f385cc14c41e353f50f3f 100644 (file)
--- a/src/frontends/qt4/GuiGraphics.cpp
+++ b/src/frontends/qt4/GuiGraphics.cpp
@@ -296,15 +296,53 @@ void GuiGraphics::change_adaptor()
 
 void GuiGraphics::change_group(int index)
 {
-       QString const group = groupCO->itemData(
+       QString const new_group = groupCO->itemData(
                groupCO->currentIndex()).toString();
+       
+       // check if the old group consisted only of this member
+       if (current_group_ != fromqstr(new_group)
+           && graphics::countGroupMembers(buffer(), current_group_) == 1) {
+               if (!new_group.isEmpty()) {
+                       if (Alert::prompt(_("Dissolve previous group?"), 
+                               bformat(_("If you assign this graphic to group '%2$s',\n"
+                                         "the previously assigned group '%1$s' will be dissolved,\n"
+                                         "because this graphic was its only member.\n"
+                                         "How do you want to proceed?"),
+                                       from_utf8(current_group_), qstring_to_ucs4(new_group)),
+                                       0, 0,
+                                       bformat(_("Stick with group '%1$s'"),
+                                               from_utf8(current_group_)),
+                                       bformat(_("Assign to group '%1$s' anyway"),
+                                               qstring_to_ucs4(new_group))) == 0) {
+                               groupCO->setCurrentIndex(
+                                       groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
+                               return;
+                       }
+               } else {
+                       if (Alert::prompt(_("Dissolve previous group?"), 
+                       bformat(_("If you sign off this graphic from group '%1$s',\n"
+                                 "the group will be dissolved,\n"
+                                 "because this graphic was its only member.\n"
+                                 "How do you want to proceed?"),
+                               from_utf8(current_group_)),
+                               0, 0,
+                               bformat(_("Stick with group '%1$s'"),
+                               from_utf8(current_group_)),
+                               bformat(_("Sign off from group '%1$s'"),
+                               from_utf8(current_group_))) == 0) {
+                       groupCO->setCurrentIndex(
+                               groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
+                       return;
+                       }
+               }
+       } 
 
-       if (group.isEmpty()) {
+       if (new_group.isEmpty()) {
                changed();
                return;
        }
 
-       string grp = graphics::getGroupParams(buffer(), fromqstr(group));
+       string grp = graphics::getGroupParams(buffer(), fromqstr(new_group));
        if (grp.empty()) {
                // group does not exist yet
                changed();
@@ -745,6 +783,7 @@ void GuiGraphics::applyView()
 
        igp.groupId = fromqstr(groupCO->itemData(
                groupCO->currentIndex()).toString());
+       current_group_ = igp.groupId;
 }
 
 
@@ -780,6 +819,7 @@ bool GuiGraphics::initialiseParams(string const & data)
 {
        InsetGraphics::string2params(data, buffer(), params_);
        paramsToDialog(params_);
+       current_group_ = params_.groupId;
        return true;
 }