Implement "Save a copy..." menu item

2005-01-05  Marco Pesenti Gritti  <marco@gnome.org>

        * backend/ev-document.c: (ev_document_save):
        * backend/ev-document.h:
        * data/evince-ui.xml:
        * pdf/xpdf/pdf-document.cc:
        * shell/ev-window.c: (save_error_dialog), (ev_window_cmd_save_as):

        Implement "Save a copy..." menu item

6 files changed, 166 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index 2f57ed0..0bf5393 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,15 @@
 2005-01-05  Marco Pesenti Gritti  <marco@gnome.org>
 
+	* backend/ev-document.c: (ev_document_save):
+	* backend/ev-document.h:
+	* data/evince-ui.xml:
+	* pdf/xpdf/pdf-document.cc:
+	* shell/ev-window.c: (save_error_dialog), (ev_window_cmd_save_as):
+
+	Implement "Save a copy..." menu item
+
+2005-01-05  Marco Pesenti Gritti  <marco@gnome.org>
+
 	* shell/ev-view.c: (ev_view_zoom):
 
 	Queue a resize when zoom changes
diff --git a/backend/ev-document.c b/backend/ev-document.c
index e80f95f..2306a21 100644
--- a/backend/ev-document.c
+++ b/backend/ev-document.c
@@ -86,6 +86,15 @@ ev_document_load (EvDocument  *document,
 	return iface->load (document, uri, error);
 }
 
+gboolean
+ev_document_save (EvDocument  *document,
+		  const char  *uri,
+		  GError     **error)
+{
+	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
+	return iface->save (document, uri, error);
+}
+
 char *
 ev_document_get_title (EvDocument  *document)
 {
diff --git a/backend/ev-document.h b/backend/ev-document.h
index 84b9e97..c0a4b46 100644
--- a/backend/ev-document.h
+++ b/backend/ev-document.h
@@ -49,6 +49,9 @@ struct _EvDocumentIface
 	gboolean    (* load)	        (EvDocument *document,
 					 const char *uri,
 					 GError    **error);
+	gboolean    (* save)	        (EvDocument *document,
+					 const char *uri,
+					 GError    **error);
 	int         (* get_n_pages)     (EvDocument *document);
 	void	    (* set_page)	(EvDocument  *document,
 					 int          page);
@@ -75,6 +78,9 @@ GType ev_document_get_type (void);
 gboolean ev_document_load            (EvDocument   *document,
 				      const char   *uri,
 				      GError      **error);
+gboolean ev_document_save            (EvDocument   *document,
+				      const char   *uri,
+				      GError      **error);
 char    *ev_document_get_title       (EvDocument   *document);
 int      ev_document_get_n_pages     (EvDocument   *document);
 void     ev_document_set_page        (EvDocument   *document,
diff --git a/data/evince-ui.xml b/data/evince-ui.xml
index be37be0..8452c68 100644
--- a/data/evince-ui.xml
+++ b/data/evince-ui.xml
@@ -2,9 +2,11 @@
   <menubar name="MainMenu">
     <menu name="FileMenu" action="File">
       <menuitem name="FileOpenMenu" action="FileOpen"/>
-      <separator name="FileSep1"/>
+      <separator/>
+      <menuitem name="FileSaveAsMenu" action="FileSaveAs"/>
+      <separator/>
       <menuitem name="FilePrintMenu" action="FilePrint"/>
-      <separator name="FileSep2"/>
+      <separator/>
       <menuitem name="FileCloseWindowMenu" action="FileCloseWindow"/>
     </menu>
 
diff --git a/pdf/xpdf/pdf-document.cc b/pdf/xpdf/pdf-document.cc
index 76229db..ed3b505 100644
--- a/pdf/xpdf/pdf-document.cc
+++ b/pdf/xpdf/pdf-document.cc
@@ -197,6 +197,25 @@ pdf_document_load (EvDocument  *document,
 	return TRUE;
 }
 
+static gboolean
+pdf_document_save (EvDocument  *document,
+		   const char  *uri,
+		   GError     **error)
+{
+	PdfDocument *pdf_document = PDF_DOCUMENT (document);
+	char *filename;
+	gboolean retval = FALSE;
+
+	filename = g_filename_from_uri (uri, NULL, error);
+	if (filename != NULL) {
+		GString *fname = new GString (filename);
+
+		retval = pdf_document->doc->saveAs (fname);
+	}
+
+	return retval;
+}
+
 static int
 pdf_document_get_n_pages (EvDocument  *document)
 {
@@ -975,6 +994,7 @@ static void
 pdf_document_document_iface_init (EvDocumentIface *iface)
 {
 	iface->load = pdf_document_load;
+	iface->save = pdf_document_save;
 	iface->get_n_pages = pdf_document_get_n_pages;
 	iface->set_page = pdf_document_set_page;
 	iface->get_page = pdf_document_get_page;
diff --git a/shell/ev-window.c b/shell/ev-window.c
index 007ca88..5b1375c 100644
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -348,6 +348,119 @@ ev_window_cmd_file_open (GtkAction *action, EvWindow *ev_window)
 	ev_application_open (EV_APP, NULL);
 }
 
+/* FIXME
+static gboolean
+overwrite_existing_file (GtkWindow *window, const gchar *file_name)
+{
+	GtkWidget *msgbox;
+	gchar *utf8_file_name;
+	AtkObject *obj;
+	gint ret;
+
+	utf8_file_name = g_filename_to_utf8 (file_name, -1, NULL, NULL, NULL);
+	msgbox = gtk_message_dialog_new (
+		window,
+		(GtkDialogFlags)GTK_DIALOG_DESTROY_WITH_PARENT,
+		GTK_MESSAGE_QUESTION,
+		GTK_BUTTONS_NONE,
+		_("A file named \"%s\" already exists."),
+		utf8_file_name);
+	g_free (utf8_file_name);
+
+	gtk_message_dialog_format_secondary_text (
+		GTK_MESSAGE_DIALOG (msgbox),
+		_("Do you want to replace it with the one you are saving?"));
+
+	gtk_dialog_add_button (GTK_DIALOG (msgbox), 
+			       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
+
+	gtk_dialog_add_button (GTK_DIALOG (msgbox),
+			       _("_Replace"), GTK_RESPONSE_YES);
+
+	gtk_dialog_set_default_response (GTK_DIALOG (msgbox),
+					 GTK_RESPONSE_CANCEL);
+
+	obj = gtk_widget_get_accessible (msgbox);
+
+	if (GTK_IS_ACCESSIBLE (obj))
+		atk_object_set_name (obj, _("Question"));
+
+	ret = gtk_dialog_run (GTK_DIALOG (msgbox));
+	gtk_widget_destroy (msgbox);
+
+	return (ret == GTK_RESPONSE_YES);
+}
+*/
+
+static void
+save_error_dialog (GtkWindow *window, const gchar *file_name)
+{
+	GtkWidget *error_dialog;
+
+	error_dialog = gtk_message_dialog_new (
+		window,
+		(GtkDialogFlags)GTK_DIALOG_DESTROY_WITH_PARENT,
+		GTK_MESSAGE_ERROR,
+		GTK_BUTTONS_CLOSE,
+		_("The file could not be saved as \"%s\"."),
+		file_name);
+
+	/* Easy way to make the text bold while keeping the string
+	 * above free from pango markup (FIXME ?) */
+	gtk_message_dialog_format_secondary_text (
+		GTK_MESSAGE_DIALOG (error_dialog), " ");
+
+	gtk_dialog_run (GTK_DIALOG (error_dialog));
+	gtk_widget_destroy (error_dialog);
+}
+
+static void
+ev_window_cmd_save_as (GtkAction *action, EvWindow *ev_window)
+{
+	GtkWidget *fc;
+	GtkFileFilter *pdf_filter, *all_filter;
+	gchar *uri = NULL; 
+
+	fc = gtk_file_chooser_dialog_new (
+		_("Save a Copy"),
+		NULL, GTK_FILE_CHOOSER_ACTION_SAVE,
+		GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+		GTK_STOCK_SAVE, GTK_RESPONSE_OK,
+		NULL);
+	gtk_window_set_modal (GTK_WINDOW (fc), TRUE);
+
+	pdf_filter = gtk_file_filter_new ();
+	gtk_file_filter_set_name (pdf_filter, _("PDF Documents"));
+	gtk_file_filter_add_mime_type (pdf_filter, "application/pdf");
+	gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (fc), pdf_filter);
+
+	all_filter = gtk_file_filter_new ();
+	gtk_file_filter_set_name (all_filter, _("All Files"));
+	gtk_file_filter_add_pattern (all_filter, "*");
+	gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (fc), all_filter);
+	gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (fc), pdf_filter);
+	
+	gtk_dialog_set_default_response (GTK_DIALOG (fc), GTK_RESPONSE_OK);
+
+	gtk_widget_show (fc);
+
+	while (gtk_dialog_run (GTK_DIALOG (fc)) == GTK_RESPONSE_OK) {
+		uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (fc));
+
+/* FIXME
+		if (g_file_test (uri, G_FILE_TEST_EXISTS) &&  
+		    !overwrite_existing_file (GTK_WINDOW (fc), uri))
+				continue;
+*/
+
+		if (ev_document_save (ev_window->priv->document, uri, NULL))
+			break;
+		else
+			save_error_dialog (GTK_WINDOW (fc), uri);    
+	}
+	gtk_widget_destroy (fc);
+}
+
 static gboolean
 using_postscript_printer (GnomePrintConfig *config)
 {
@@ -1112,7 +1225,10 @@ static GtkActionEntry entries[] = {
 	{ "FileOpen", GTK_STOCK_OPEN, N_("_Open"), "<control>O",
 	  N_("Open a file"),
 	  G_CALLBACK (ev_window_cmd_file_open) },
-        { "FilePrint", GTK_STOCK_PRINT, N_("_Print"), "<control>P",
+       	{ "FileSaveAs", GTK_STOCK_SAVE_AS, N_("_Save a Copy..."), NULL,
+	  N_("Save the current document with a new filename"),
+	  G_CALLBACK (ev_window_cmd_save_as) },
+	{ "FilePrint", GTK_STOCK_PRINT, N_("_Print"), "<control>P",
 	  N_("Print this document"),
 	  G_CALLBACK (ev_window_cmd_file_print) },
 	{ "FileCloseWindow", GTK_STOCK_CLOSE, N_("_Close"), "<control>W",