Code

Check that objects are of the right type before casting them.
[inkscape.git] / src / file.cpp
index b41d61426f831c51ba496679f2f8a87b52320904..633dc08ceea7f38dfc887d29696a7a23124bb439 100644 (file)
@@ -8,9 +8,10 @@
  *   Chema Celorio <chema@celorio.com>
  *   bulia byak <buliabyak@users.sf.net>
  *   Bruno Dilly <bruno.dilly@gmail.com>
+ *   Stephen Silver <sasilver@users.sourceforge.net>
  *
  * Copyright (C) 2006 Johan Engelen <johan@shouraizou.nl>
- * Copyright (C) 1999-2005 Authors
+ * Copyright (C) 1999-2008 Authors
  * Copyright (C) 2004 David Turner
  * Copyright (C) 2001-2002 Ximian, Inc.
  *
@@ -65,6 +66,7 @@
 #include "application/editor.h"
 #include "inkscape.h"
 #include "uri.h"
+#include "id-clash.h"
 
 #ifdef WITH_GNOME_VFS
 # include <libgnomevfs/gnome-vfs.h>
@@ -74,6 +76,9 @@
 #include "jabber_whiteboard/session-manager.h"
 #endif
 
+#ifdef WIN32
+#include <windows.h>
+#endif
 
 //#define INK_DUMP_FILENAME_CONV 1
 #undef INK_DUMP_FILENAME_CONV
@@ -376,33 +381,63 @@ sp_file_open_dialog(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*d
 {
     //# Get the current directory for finding files
     static Glib::ustring open_path;
-       
-       if(open_path.empty())
-       {
-           gchar const *attr = prefs_get_string_attribute("dialogs.open", "path");
-           if (attr)
-               open_path = attr;
-       }
-       
+
+    if(open_path.empty())
+    {
+        gchar const *attr = prefs_get_string_attribute("dialogs.open", "path");
+        if (attr)
+            open_path = attr;
+    }
+
     //# Test if the open_path directory exists
     if (!Inkscape::IO::file_test(open_path.c_str(),
               (GFileTest)(G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)))
         open_path = "";
-               
+
+#ifdef WIN32
+    //# If no open path, default to our win32 documents folder
+    if (open_path.empty())
+    {
+        // The path to the My Documents folder is read from the
+        // value "HKEY_CURRENT_USER\Software\Windows\CurrentVersion\Explorer\Shell Folders\Personal"
+        HKEY key = NULL;
+        if(RegOpenKeyExA(HKEY_CURRENT_USER,
+            "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders",
+            0, KEY_QUERY_VALUE, &key) == ERROR_SUCCESS)
+        {
+            WCHAR utf16path[_MAX_PATH];
+            DWORD value_type;
+            DWORD data_size = sizeof(utf16path);
+            if(RegQueryValueExW(key, L"Personal", NULL, &value_type,
+                (BYTE*)utf16path, &data_size) == ERROR_SUCCESS)
+            {
+                g_assert(value_type == REG_SZ);
+                gchar *utf8path = g_utf16_to_utf8(
+                    (const gunichar2*)utf16path, -1, NULL, NULL, NULL);
+                if(utf8path)
+                {
+                    open_path = Glib::ustring(utf8path);
+                    g_free(utf8path);
+                }
+            }
+        }
+    }
+#endif
+
     //# If no open path, default to our home directory
     if (open_path.empty())
     {
         open_path = g_get_home_dir();
         open_path.append(G_DIR_SEPARATOR_S);
     }
-       
+
     //# Create a dialog if we don't already have one
     Inkscape::UI::Dialog::FileOpenDialog *openDialogInstance =
               Inkscape::UI::Dialog::FileOpenDialog::create(
                  parentWindow, open_path,
                  Inkscape::UI::Dialog::SVG_TYPES,
                  _("Select file to open"));
-                 
+
     //# Show the dialog
     bool const success = openDialogInstance->show();
 
@@ -414,27 +449,27 @@ sp_file_open_dialog(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*d
         delete openDialogInstance;
         return;
     }
-    
+
     //# User selected something.  Get name and type
     Glib::ustring fileName = openDialogInstance->getFilename();
 
     Inkscape::Extension::Extension *selection =
             openDialogInstance->getSelectionType();
-                       
+
     //# Code to check & open if multiple files.
     std::vector<Glib::ustring> flist = openDialogInstance->getFilenames();
-               
+
     //# We no longer need the file dialog object - delete it
     delete openDialogInstance;
     openDialogInstance = NULL;
-    
+
     //# Iterate through filenames if more than 1
     if (flist.size() > 1)
     {
         for (unsigned int i = 0; i < flist.size(); i++)
         {
             fileName = flist[i];
-            
+
             Glib::ustring newFileName = Glib::filename_to_utf8(fileName);
             if ( newFileName.size() > 0 )
                 fileName = newFileName;
@@ -446,7 +481,7 @@ sp_file_open_dialog(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*d
 #endif
             sp_file_open(fileName, selection);
         }
-        
+
         return;
     }
 
@@ -460,7 +495,7 @@ sp_file_open_dialog(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*d
         else
             g_warning( "ERROR CONVERTING OPEN FILENAME TO UTF-8" );
 
-        open_path = fileName;
+        open_path = Glib::path_get_dirname (fileName);
         open_path.append(G_DIR_SEPARATOR_S);
         prefs_set_string_attribute("dialogs.open", "path", open_path.c_str());
 
@@ -629,8 +664,8 @@ file_save_remote(SPDocument */*doc*/,
     }
     return true;
 #else
-       // in case we do not have GNOME_VFS
-       return false;
+    // in case we do not have GNOME_VFS
+    return false;
 #endif
 
 }
@@ -706,7 +741,7 @@ sp_file_save_dialog(Gtk::Window &parentWindow, SPDocument *doc, bool is_copy)
 
     if ( save_loc_local.size() > 0)
         save_loc = save_loc_local;
-               
+
     //# Show the SaveAs dialog
     char const * dialog_title;
     if (is_copy) {
@@ -716,15 +751,15 @@ sp_file_save_dialog(Gtk::Window &parentWindow, SPDocument *doc, bool is_copy)
     }
     Inkscape::UI::Dialog::FileSaveDialog *saveDialog =
         Inkscape::UI::Dialog::FileSaveDialog::create(
-               parentWindow,
+            parentWindow,
             save_loc,
             Inkscape::UI::Dialog::SVG_TYPES,
             dialog_title,
             default_extension
             );
-                       
+
     saveDialog->setSelectionType(extension);
-       
+
     bool success = saveDialog->show();
     if (!success) {
         delete saveDialog;
@@ -858,80 +893,79 @@ file_import(SPDocument *in_doc, const Glib::ustring &uri,
     }
 
     if (doc != NULL) {
-        // move imported defs to our document's defs
-        SPObject *in_defs = SP_DOCUMENT_DEFS(in_doc);
-        SPObject *defs = SP_DOCUMENT_DEFS(doc);
-
         Inkscape::IO::fixupHrefs(doc, in_doc->base, true);
-        Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
+        Inkscape::XML::Document *xml_in_doc = sp_document_repr_doc(in_doc);
 
+        prevent_id_clashes(doc, in_doc);
+        
+        SPObject *in_defs = SP_DOCUMENT_DEFS(in_doc);
         Inkscape::XML::Node *last_def = SP_OBJECT_REPR(in_defs)->lastChild();
-        for (SPObject *child = sp_object_first_child(defs);
-             child != NULL; child = SP_OBJECT_NEXT(child))
-        {
-            // FIXME: in case of id conflict, newly added thing will be re-ided and thus likely break a reference to it from imported stuff
-            SP_OBJECT_REPR(in_defs)->addChild(SP_OBJECT_REPR(child)->duplicate(xml_doc), last_def);
-        }
+        
+        SPCSSAttr *style = sp_css_attr_from_object(SP_DOCUMENT_ROOT(doc));
 
+        // Count the number of top-level items in the imported document.
         guint items_count = 0;
         for (SPObject *child = sp_object_first_child(SP_DOCUMENT_ROOT(doc));
-             child != NULL; child = SP_OBJECT_NEXT(child)) {
-            if (SP_IS_ITEM(child))
-                items_count ++;
+             child != NULL; child = SP_OBJECT_NEXT(child))
+        {
+            if (SP_IS_ITEM(child)) items_count++;
         }
-        SPCSSAttr *style = sp_css_attr_from_object (SP_DOCUMENT_ROOT (doc));
-
-        SPObject *new_obj = NULL;
 
+        // Create a new group if necessary.
+        Inkscape::XML::Node *newgroup = NULL;
         if ((style && style->firstChild()) || items_count > 1) {
-            // create group
-            Inkscape::XML::Document *xml_doc = sp_document_repr_doc(in_doc);
-            Inkscape::XML::Node *newgroup = xml_doc->createElement("svg:g");
-            sp_repr_css_set (newgroup, style, "style");
-
-            for (SPObject *child = sp_object_first_child(SP_DOCUMENT_ROOT(doc)); child != NULL; child = SP_OBJECT_NEXT(child) ) {
-                if (SP_IS_ITEM(child)) {
-                    Inkscape::XML::Node *newchild = SP_OBJECT_REPR(child)->duplicate(xml_doc);
+            newgroup = xml_in_doc->createElement("svg:g");
+            sp_repr_css_set(newgroup, style, "style");
+        }
 
-                    // convert layers to groups; FIXME: add "preserve layers" mode where each layer
-                    // from impot is copied to the same-named layer in host
-                    newchild->setAttribute("inkscape:groupmode", NULL);
+        // Determine the place to insert the new object.
+        // This will be the current layer, if possible.
+        // FIXME: If there's no desktop (command line run?) we need
+        //        a document:: method to return the current layer.
+        //        For now, we just use the root in this case.
+        SPObject *place_to_insert;
+        if (desktop) place_to_insert = desktop->currentLayer();
+        else         place_to_insert = SP_DOCUMENT_ROOT(in_doc);
+
+        // Construct a new object representing the imported image,
+        // and insert it into the current document.
+        SPObject *new_obj = NULL;
+        for (SPObject *child = sp_object_first_child(SP_DOCUMENT_ROOT(doc));
+             child != NULL; child = SP_OBJECT_NEXT(child) )
+        {
+            if (SP_IS_ITEM(child)) {
+                Inkscape::XML::Node *newitem = SP_OBJECT_REPR(child)->duplicate(xml_in_doc);
 
-                    newgroup->appendChild(newchild);
-                }
-            }
+                // convert layers to groups, and make sure they are unlocked
+                // FIXME: add "preserve layers" mode where each layer from
+                //        import is copied to the same-named layer in host
+                newitem->setAttribute("inkscape:groupmode", NULL);
+                newitem->setAttribute("sodipodi:insensitive", NULL);
 
-            if (desktop) {
-                // Add it to the current layer
-                new_obj = desktop->currentLayer()->appendChildRepr(newgroup);
-            } else {
-                // There's no desktop (command line run?)
-                // FIXME: For such cases we need a document:: method to return the current layer
-                new_obj = SP_DOCUMENT_ROOT(in_doc)->appendChildRepr(newgroup);
+                if (newgroup) newgroup->appendChild(newitem);
+                else new_obj = place_to_insert->appendChildRepr(newitem);
             }
-
-            Inkscape::GC::release(newgroup);
-        } else {
-            // just add one item
-            for (SPObject *child = sp_object_first_child(SP_DOCUMENT_ROOT(doc)); child != NULL; child = SP_OBJECT_NEXT(child) ) {
-                if (SP_IS_ITEM(child)) {
-                    Inkscape::XML::Node *newitem = SP_OBJECT_REPR(child)->duplicate(xml_doc);
-                    newitem->setAttribute("inkscape:groupmode", NULL);
-
-                    if (desktop) {
-                        // Add it to the current layer
-                        new_obj = desktop->currentLayer()->appendChildRepr(newitem);
-                    } else {
-                        // There's no desktop (command line run?)
-                        // FIXME: For such cases we need a document:: method to return the current layer
-                        new_obj = SP_DOCUMENT_ROOT(in_doc)->appendChildRepr(newitem);
+            
+            // don't lose top-level defs or style elements
+            else if (SP_OBJECT_REPR(child)->type() == Inkscape::XML::ELEMENT_NODE) {
+                const gchar *tag = SP_OBJECT_REPR(child)->name();
+                if (!strcmp(tag, "svg:defs")) {
+                    for (SPObject *x = sp_object_first_child(child);
+                         x != NULL; x = SP_OBJECT_NEXT(x))
+                    {
+                        SP_OBJECT_REPR(in_defs)->addChild(SP_OBJECT_REPR(x)->duplicate(xml_in_doc), last_def);
                     }
-
+                }
+                else if (!strcmp(tag, "svg:style")) {
+                    SP_DOCUMENT_ROOT(in_doc)->appendChildRepr(SP_OBJECT_REPR(child)->duplicate(xml_in_doc));
                 }
             }
         }
+        if (newgroup) new_obj = place_to_insert->appendChildRepr(newgroup);
 
-        if (style) sp_repr_css_attr_unref (style);
+        // release some stuff
+        if (newgroup) Inkscape::GC::release(newgroup);
+        if (style) sp_repr_css_attr_unref(style);
 
         // select and move the imported item
         if (new_obj && SP_IS_ITEM(new_obj)) {
@@ -985,7 +1019,7 @@ sp_file_import(Gtk::Window &parentWindow)
         importDialogInstance =
              Inkscape::UI::Dialog::FileOpenDialog::create(
                  parentWindow,
-                import_path,
+                 import_path,
                  Inkscape::UI::Dialog::IMPORT_TYPES,
                  (char const *)_("Select file to import"));
     }
@@ -1184,6 +1218,7 @@ sp_file_export_to_ocal_dialog(Gtk::Window &parentWindow)
     static bool gotSuccess = false;
 
     Inkscape::XML::Node *repr = sp_document_repr_root(doc);
+    (void)repr;
 
     if (!doc->uri && !doc->isModifiedSinceSave())
         return false;
@@ -1281,7 +1316,7 @@ sp_file_export_to_ocal_dialog(Gtk::Window &parentWindow)
     remove(fileName.c_str());
     if (!success)
     {
-        gchar *text = g_strdup_printf(_("Error exporting the document. Verify if the server name, username and password are correct. If the server have support for webdav and verify if you didn't forget to choose a license too."));
+        gchar *text = g_strdup_printf(_("Error exporting the document. Verify if the server name, username and password are correct, if the server has support for webdav and verify if you didn't forget to choose a license."));
         sp_ui_error_dialog(text);
     }
     else