Add symbols dialog. See: http://wiki.inkscape.org/wiki/index.php/SymbolsDialog

(bzr r11782)

1 files changed, 158 insertions, 0 deletions

diff --git a/src/selection-chemistry.cpp b/src/selection-chemistry.cpp
index 332e9a34e..904e21960 100644
--- a/src/selection-chemistry.cpp
+++ b/src/selection-chemistry.cpp
@@ -11,6 +11,7 @@
  *   Martin Sucha <martin.sucha-inkscape@jts-sro.sk>
  *   Abhishek Sharma
  *   Kris De Gussem <Kris.DeGussem@gmail.com>
+ *   Tavmjong Bah <tavmjong@free.fr> (Symbol additions)
  *
  * Copyright (C) 1999-2010,2012 authors
  * Copyright (C) 2001-2002 Ximian, Inc.
@@ -71,6 +72,7 @@ SPCycleType SP_CYCLING = SP_CYCLE_FOCUS;
 #include "sp-gradient-reference.h"
 #include "sp-linear-gradient-fns.h"
 #include "sp-pattern.h"
+#include "sp-symbol.h"
 #include "sp-radial-gradient-fns.h"
 #include "gradient-context.h"
 #include "sp-namedview.h"
@@ -2887,6 +2889,162 @@ void sp_selection_to_guides(SPDesktop *desktop)
     DocumentUndo::done(doc, SP_VERB_EDIT_SELECTION_2_GUIDES, _("Objects to guides"));
 }
 
+/*
+ * Convert <g> to <symbol>, leaving all <use> elements referencing group unchanged.
+ */
+void sp_selection_symbol(SPDesktop *desktop, bool apply )
+{
+
+    if (desktop == NULL) {
+        return;
+    }
+
+    SPDocument *doc = sp_desktop_document(desktop);
+    Inkscape::XML::Document *xml_doc = doc->getReprDoc();
+
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
+
+    // Check if something is selected.
+    if (selection->isEmpty()) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select one <b>group</b> to convert to symbol."));
+        return;
+    }
+
+    SPObject* group = selection->single();
+
+    // Make sure we have only one object in selection.
+    if( group == NULL ) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select only one <b>group</b> to convert to symbol."));
+        return;
+    }
+
+    // Make sure we convert the original.
+    if( SP_IS_USE( group ) ) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select original (<b>Shift+D</b>) to convert to symbol."));
+        return;
+    }
+
+    // Require that we really have a group.
+    if( !SP_IS_GROUP( group ) ) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Group selection first to convert to symbol."));
+        return;
+    }
+
+    doc->ensureUpToDate();
+
+    Inkscape::XML::Node *symbol = xml_doc->createElement("svg:symbol");
+    symbol->setAttribute("style",     group->getAttribute("style"));
+    symbol->setAttribute("title",     group->getAttribute("title"));
+    symbol->setAttribute("transform", group->getAttribute("transform"));
+
+    Glib::ustring id = group->getAttribute("id");
+
+    // Now we need to copy all children of group
+    GSList* children = group->childList(false);
+    children = g_slist_reverse(children);
+    for (GSList* i = children; i != NULL; i = i->next ) {
+        SPObject* child = SP_OBJECT(i->data);
+        Inkscape::XML::Node *dup = child->getRepr()->duplicate(xml_doc);
+        symbol->appendChild(dup);
+        child->deleteObject(true);
+    }
+
+    // Need to delete <g>; all <use> elements that referenced <g> should
+    // auto-magically reference <symbol>.
+    doc->getDefs()->getRepr()->appendChild(symbol);
+    symbol->setAttribute("id",id.c_str()); // After we delete group with same id.
+    // Mysterious, must set symbol ID before deleting group or all <use>
+    // refering to symbol get turned into groups. (Linked to unlinking clones?)
+    group->deleteObject(true);
+
+    Inkscape::GC::release(symbol);
+    selection->clear();
+    // Group just disappears, nothing to select.
+
+    // Need to signal Symbol dialog to update
+
+    g_slist_free(children);
+
+    DocumentUndo::done(doc, SP_VERB_EDIT_SYMBOL, _("Group to symbol"));
+}
+
+/*
+ * Convert <symbol> to <g>. All <use> elements referencing symbol remain unchanged.
+ */
+void sp_selection_unsymbol(SPDesktop *desktop)
+{
+
+    if (desktop == NULL) {
+        return;
+    }
+
+    SPDocument *doc = sp_desktop_document(desktop);
+    Inkscape::XML::Document *xml_doc = doc->getReprDoc();
+
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
+
+    // Check if something is selected.
+    if (selection->isEmpty()) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>symbol</b> to extract objects from."));
+        return;
+    }
+
+    SPObject* use = selection->single();
+ 
+    // Make sure we have only one object in selection.
+   if( use == NULL ) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select only one <b>symbol</b> to convert to group."));
+        return;
+    }
+
+    // Require that we really have a <use> that references a <symbol>.
+    if( !SP_IS_USE( use ) && !SP_IS_SYMBOL( use->firstChild() ) ) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select only one <b>symbol</b> to convert to group."));
+        return;
+    }
+
+    doc->ensureUpToDate();
+
+    SPObject* symbol = use->firstChild();
+
+    Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
+    group->setAttribute("style",     symbol->getAttribute("style"));
+    group->setAttribute("title",     symbol->getAttribute("title"));
+    group->setAttribute("transform", symbol->getAttribute("transform"));
+
+    Glib::ustring id = symbol->getAttribute("id");
+
+    // Now we need to copy all children of symbol
+    GSList* children = symbol->childList(false);
+    children = g_slist_reverse(children);
+    for (GSList* i = children; i != NULL; i = i->next ) {
+        SPObject* child = SP_OBJECT(i->data);
+        Inkscape::XML::Node *dup = child->getRepr()->duplicate(xml_doc);
+        group->appendChild(dup);
+        child->deleteObject(true);
+    }
+
+    SPObject* parent = use->parent; // So we insert <g> next to <use> (easier to find)
+
+    // Need to delete <symbol>; all other <use> elements that referenced <symbol> should
+    // auto-magically reference <g>.
+    symbol->deleteObject(true);
+    group->setAttribute("id",id.c_str()); // After we delete symbol with same id.
+    parent->getRepr()->appendChild(group);
+    //use->deleteObject(true);
+
+    SPItem *group_item = static_cast<SPItem *>(sp_desktop_document(desktop)->getObjectByRepr(group));
+    Inkscape::GC::release(group);
+    selection->clear();
+    selection->set(group_item);
+
+    // Need to signal Symbol dialog to update
+
+    g_slist_free(children);
+
+    DocumentUndo::done(doc, SP_VERB_EDIT_UNSYMBOL, _("Group from symbol"));
+}
+
 void
 sp_selection_tile(SPDesktop *desktop, bool apply)
 {