Save/restore business invoice pages.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@12878 57a11ea4-9604-0410-9ed3-97b8803252fd

ChangeLog

@@ -1,5 +1,10 @@
 2006-01-18  David Hampton  <hampton@employees.org>
 
+	* src/business/business-core/gncOwner.[ch]:
+	* src/business/business-gnome/dialog-invoice.[ch]:
+	* src/business/business-gnome/gnc-plugin-page-invoice.c:
+	Save/restore business invoice pages.
+
 	* src/app-utils/gnc-component-manager.c: Tweak a debugging
 	statement.
 

src/business/business-core/gncOwner.c

@@ -489,6 +489,30 @@ reg_lot (void)
   qof_class_register (GNC_ID_LOT, NULL, params);
 }
 
+gboolean gncOwnerGetOwnerFromTypeGuid (QofBook *book, GncOwner *owner, QofIdType type, GUID *guid)
+{
+  if (!book || !owner || !type || !guid) return FALSE;
+
+  if (0 == safe_strcmp(type, GNC_ID_CUSTOMER)) {
+    GncCustomer *customer = gncCustomerLookup(book,guid);
+    gncOwnerInitCustomer(owner, customer);
+    return (NULL != customer);
+  } else if (0 == safe_strcmp(type, GNC_ID_JOB)) {
+    GncJob *job = gncJobLookup(book,guid);
+    gncOwnerInitJob(owner, job);
+    return (NULL != job);
+  } else if (0 == safe_strcmp(type, GNC_ID_VENDOR)) {
+    GncVendor *vendor = gncVendorLookup(book,guid);
+    gncOwnerInitVendor(owner, vendor);
+    return (NULL != vendor);
+  } else if (0 == safe_strcmp(type, GNC_ID_EMPLOYEE)) {
+    GncEmployee *employee = gncEmployeeLookup(book,guid);
+    gncOwnerInitEmployee(owner, employee);
+    return (NULL != employee);
+  }
+  return 0;
+}
+
 gboolean gncOwnerRegister (void)
 {
   static QofParam params[] = {

src/business/business-core/gncOwner.h

@@ -135,6 +135,8 @@ void gncOwnerAttachToLot (GncOwner *owner, GNCLot *lot);
  */
 gboolean gncOwnerGetOwnerFromLot (GNCLot *lot, GncOwner *owner);
 
+gboolean gncOwnerGetOwnerFromTypeGuid (QofBook *book, GncOwner *owner, QofIdType type, GUID *guid);
+
 #define OWNER_TYPE        "type"
 #define OWNER_TYPE_STRING "type-string"  /**< Allows the type to be handled externally. */
 #define OWNER_CUSTOMER    "customer"

src/business/business-gnome/dialog-invoice.c

@@ -51,6 +51,7 @@
 
 #include "gncEntryLedger.h"
 
+#include "gnc-plugin-page.h"
 #include "gnc-general-search.h"
 #include "dialog-date-close.h"
 #include "dialog-invoice.h"
@@ -65,7 +66,6 @@
 #include "dialog-query-list.h"
 
 #include "gnc-plugin-business.h"
-#include "gnc-plugin-page.h"
 #include "gnc-plugin-page-invoice.h"
 #include "gnc-main-window.h"
 
@@ -79,13 +79,18 @@ void gnc_invoice_window_cancel_cb (GtkWidget *widget, gpointer data);
 void gnc_invoice_window_help_cb (GtkWidget *widget, gpointer data);
 void gnc_invoice_id_changed_cb (GtkWidget *widget, gpointer data);
 
-typedef enum
-{
-  NEW_INVOICE,
-  MOD_INVOICE,
-  EDIT_INVOICE,
-  VIEW_INVOICE
-} InvoiceDialogType;
+#define ENUM_INVOICE_TYPE(_) \
+  _(NEW_INVOICE, )  \
+  _(MOD_INVOICE, )  \
+  _(EDIT_INVOICE, ) \
+  _(VIEW_INVOICE, )
+
+DEFINE_ENUM(InvoiceDialogType, ENUM_INVOICE_TYPE)
+AS_STRING_DEC(InvoiceDialogType, ENUM_INVOICE_TYPE)
+FROM_STRING_DEC(InvoiceDialogType, ENUM_INVOICE_TYPE)
+
+FROM_STRING_FUNC(InvoiceDialogType, ENUM_INVOICE_TYPE)
+AS_STRING_FUNC(InvoiceDialogType, ENUM_INVOICE_TYPE)
 
 struct _invoice_select_window {
   GNCBook *	book;
@@ -1655,6 +1660,114 @@ gnc_invoice_new_page (GNCBook *bookp, InvoiceDialogType type,
   return iw;
 }
 
+#define KEY_INVOICE_TYPE	"Invoice Type"
+#define KEY_INVOICE_GUID	"Invoice GUID"
+#define KEY_OWNER_TYPE		"Owner Type"
+#define KEY_OWNER_GUID		"Owner GUID"
+
+GncPluginPage *
+gnc_invoice_recreate_page (GKeyFile *key_file,
+			   const gchar *group_name)
+{
+  InvoiceWindow *iw;
+  GError *error = NULL;
+  char *tmp_string = NULL, *owner_type = NULL;
+  InvoiceDialogType type;
+  GncInvoice *invoice;
+  GUID guid;
+  QofBook *book;
+  GncOwner owner = { 0 };
+
+  /* Get Invoice Type */
+  tmp_string = g_key_file_get_string(key_file, group_name,
+				     KEY_INVOICE_TYPE, &error);
+  if (error) {
+    g_warning("Error reading group %s key %s: %s.",
+	      group_name, KEY_INVOICE_TYPE, error->message);
+    goto give_up;
+  }
+  type = InvoiceDialogTypefromString(tmp_string);
+  g_free(tmp_string);
+
+  /* Get Invoice GUID */
+  tmp_string = g_key_file_get_string(key_file, group_name,
+				     KEY_INVOICE_GUID, &error);
+  if (error) {
+    g_warning("Error reading group %s key %s: %s.",
+	      group_name, KEY_INVOICE_GUID, error->message);
+    goto give_up;
+  }
+  if (!string_to_guid(tmp_string, &guid)) {
+    g_warning("Invalid invoice guid: %s.", tmp_string);
+    goto give_up;
+  }
+  book = gnc_get_current_book();
+  invoice = gncInvoiceLookup(gnc_get_current_book(), &guid);
+  if (invoice == NULL) {
+    g_warning("Can't find invoice %s in current book.", tmp_string);
+    goto give_up;
+  }
+  g_free(tmp_string);
+
+  /* Get Owner Type */
+  owner_type = g_key_file_get_string(key_file, group_name,
+				     KEY_OWNER_TYPE, &error);
+  if (error) {
+    g_warning("Error reading group %s key %s: %s.",
+	      group_name, KEY_OWNER_TYPE, error->message);
+    goto give_up;
+  }
+
+  /* Get Owner GUID */
+  tmp_string = g_key_file_get_string(key_file, group_name,
+				     KEY_OWNER_GUID, &error);
+  if (error) {
+    g_warning("Error reading group %s key %s: %s.",
+	      group_name, KEY_OWNER_GUID, error->message);
+    goto give_up;
+  }
+  if (!string_to_guid(tmp_string, &guid)) {
+    g_warning("Invalid owner guid: %s.", tmp_string);
+    goto give_up;
+  }
+
+  if (!gncOwnerGetOwnerFromTypeGuid(book, &owner, owner_type, &guid)) {
+    g_warning("Can't find owner %s in current book.", tmp_string);
+    goto give_up;
+  }
+  g_free(tmp_string);
+  g_free(owner_type);
+
+  iw = gnc_invoice_new_page (book, type, invoice, &owner);
+  return iw->page;
+
+ give_up:
+  g_warning("Giving up on restoring '%s'.", group_name);
+  if (error)
+    g_error_free(error);
+  if (tmp_string)
+    g_free(tmp_string);
+  if (owner_type)
+    g_free(owner_type);
+  return NULL;
+}
+
+void
+gnc_invoice_save_page (InvoiceWindow *iw,
+		       GKeyFile *key_file,
+		       const gchar *group_name)
+{
+  g_key_file_set_string(key_file, group_name, KEY_INVOICE_TYPE,
+			InvoiceDialogTypeasString(iw->dialog_type));
+  g_key_file_set_string(key_file, group_name, KEY_INVOICE_GUID,
+			guid_to_string(&iw->invoice_guid));
+
+  g_key_file_set_string(key_file, group_name, KEY_OWNER_TYPE,
+			qofOwnerGetType(&iw->owner));
+  g_key_file_set_string(key_file, group_name, KEY_OWNER_GUID,
+			guid_to_string(gncOwnerGetGUID(&iw->owner)));
+}
+
 GtkWidget *
 gnc_invoice_create_page (InvoiceWindow *iw, gpointer page)
 {

src/business/business-gnome/dialog-invoice.h

@@ -77,6 +77,11 @@ gchar *gnc_invoice_get_help (InvoiceWindow *iw);
 
 gchar *gnc_invoice_get_title (InvoiceWindow *iw);
 
+#ifdef __GNC_PLUGIN_PAGE_H
+GncPluginPage *gnc_invoice_recreate_page (GKeyFile *key_file, const gchar *group_name);
+void gnc_invoice_save_page (InvoiceWindow *iw, GKeyFile *key_file, const gchar *group_name);
+#endif
+
 GtkWidget * gnc_invoice_create_page (InvoiceWindow *iw, gpointer page);
 
 DialogQueryList *gnc_invoice_show_bills_due (QofBook *book, double days_in_advance);

src/business/business-gnome/gnc-plugin-page-invoice.c

@@ -49,6 +49,8 @@ static void gnc_plugin_page_invoice_finalize (GObject *object);
 
 static GtkWidget *gnc_plugin_page_invoice_create_widget (GncPluginPage *plugin_page);
 static void gnc_plugin_page_invoice_destroy_widget (GncPluginPage *plugin_page);
+static void gnc_plugin_page_invoice_save_page (GncPluginPage *plugin_page, GKeyFile *file, const gchar *group);
+static GncPluginPage *gnc_plugin_page_invoice_recreate_page (GtkWidget *window, GKeyFile *file, const gchar *group);
 static void gnc_plugin_page_invoice_window_changed (GncPluginPage *plugin_page, GtkWidget *window);
 
 
@@ -290,6 +292,8 @@ gnc_plugin_page_invoice_class_init (GncPluginPageInvoiceClass *klass)
 	gnc_plugin_class->plugin_name     = GNC_PLUGIN_PAGE_INVOICE_NAME;
 	gnc_plugin_class->create_widget   = gnc_plugin_page_invoice_create_widget;
 	gnc_plugin_class->destroy_widget  = gnc_plugin_page_invoice_destroy_widget;
+	gnc_plugin_class->save_page       = gnc_plugin_page_invoice_save_page;
+	gnc_plugin_class->recreate_page   = gnc_plugin_page_invoice_recreate_page;
 	gnc_plugin_class->window_changed  = gnc_plugin_page_invoice_window_changed;
 
 	g_type_class_add_private(klass, sizeof(GncPluginPageInvoicePrivate));
@@ -429,6 +433,67 @@ gnc_plugin_page_invoice_destroy_widget (GncPluginPage *plugin_page)
 	priv->widget = NULL;
 }
 
+/** Save enough information about this invoice page that it can be
+ *  recreated next time the user starts gnucash.
+ *
+ *  @param page The page to save.
+ *
+ *  @param key_file A pointer to the GKeyFile data structure where the
+ *  page information should be written.
+ *
+ *  @param group_name The group name to use when saving data. */
+static void
+gnc_plugin_page_invoice_save_page (GncPluginPage *plugin_page,
+				   GKeyFile *key_file,
+				   const gchar *group_name)
+{
+	GncPluginPageInvoice *invoice;
+	GncPluginPageInvoicePrivate *priv;
+	
+	g_return_if_fail (GNC_IS_PLUGIN_PAGE_INVOICE(plugin_page));
+	g_return_if_fail (key_file != NULL);
+	g_return_if_fail (group_name != NULL);
+
+	ENTER("page %p, key_file %p, group_name %s", plugin_page, key_file,
+	      group_name);
+
+	invoice = GNC_PLUGIN_PAGE_INVOICE(plugin_page);
+	priv = GNC_PLUGIN_PAGE_INVOICE_GET_PRIVATE(invoice);
+
+        gnc_invoice_save_page(priv->iw, key_file, group_name);
+	LEAVE(" ");
+}
+
+
+
+/** Create a new invoice page based on the information saved during a
+ *  previous instantiation of gnucash.
+ *
+ *  @param window The window where this page should be installed.
+ *
+ *  @param key_file A pointer to the GKeyFile data structure where the
+ *  page information should be read.
+ *
+ *  @param group_name The group name to use when restoring data. */
+static GncPluginPage *
+gnc_plugin_page_invoice_recreate_page (GtkWidget *window,
+				       GKeyFile *key_file,
+				       const gchar *group_name)
+{
+	GncPluginPage *page;
+	
+	g_return_val_if_fail(key_file, NULL);
+	g_return_val_if_fail(group_name, NULL);
+	ENTER("key_file %p, group_name %s", key_file, group_name);
+
+	/* Create the new page. */
+        page = gnc_invoice_recreate_page(key_file, group_name);
+
+	LEAVE(" ");
+	return page;
+}
+
+
 static void
 gnc_plugin_page_invoice_window_changed (GncPluginPage *plugin_page,
 					GtkWidget *window)