Added new plugins external-editor, which will make it possible to use an

2007-10-25  Sankar P  <psankar@novell.com>

	* configure.in:
	* plugins/external-editor:
	Added new plugins external-editor, which will
	make it possible to use an external editor as 
	the mail composer.



svn path=/trunk/; revision=34423

1 files changed, 152 insertions, 0 deletions

diff --git a/plugins/external-editor/external-editor.c b/plugins/external-editor/external-editor.c
new file mode 100644
index 0000000000..5cb9068265
--- /dev/null
+++ b/plugins/external-editor/external-editor.c
@@ -0,0 +1,152 @@
+/* Sankar P - <psankar@novell.com> - GPL V3 or Later */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <mail/em-menu.h>
+#include <mail/em-config.h>
+#include <mail/em-composer-utils.h>
+#include <mail/mail-config.h>
+#include <e-util/e-error.h>
+
+#include <e-msg-composer.h>
+
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#define d(x) x
+
+#define TEMPORARY_FILE "/tmp/evolution-composer"
+
+void org_gnome_external_editor (EPlugin *ep, EMMenuTargetSelect *select);
+
+/* Utility function to convert an email address to CamelInternetAddress.
+May be this should belong to CamelInternetAddress file itself. */
+
+static CamelInternetAddress * convert_to_camel_internet_address (char * emails)
+{
+	CamelInternetAddress *cia = camel_internet_address_new();
+	gchar **address_tokens = NULL;
+	int i;
+
+	if (emails && strlen (emails) > 1) {
+		address_tokens = g_strsplit (emails, ",", 0);
+
+		if (address_tokens) {
+			for (i = 1; address_tokens[i]; ++i) {
+				camel_internet_address_add (cia, " ", address_tokens [i]);
+				d(printf ("\nAdding camel_internet_address[%s] \n", address_tokens [i]));
+			}
+
+			return cia;
+		}
+	}
+	camel_object_unref (cia);
+	return NULL;
+}
+
+void org_gnome_external_editor (EPlugin *ep, EMMenuTargetSelect *select)
+{
+	d(printf ("\n\nexternal_editor plugin is launched \n\n"));
+
+	/* The template to be used in the external editor */
+	char template[] = "###|||Insert , seperated TO addresses below this line. Do not delete this line. Optional field\n\n###||| Insert , seperated CC addresses below this line. Do not delete this line. Optional field\n\n###|||Insert , seperated BCC addresses below this line. Do not delete this line. Optional field\n\n###|||Insert SUBJECT below this line. Do not delete this line. Optional field\n\n###|||Insert BODY of mail below this line. Do not delete this line.\n\n";
+
+
+	/* Push the template contents to the intermediate file */
+	g_file_set_contents (TEMPORARY_FILE, template, strlen (template), NULL);
+
+	char *editor;
+
+	editor = (char *) g_getenv ("EDITOR");
+	if (!editor)
+		editor = "gvim";
+
+#if 1
+	int status = 0;
+	gchar *argv[4];
+
+	argv[0] = editor;
+
+	/*  README: The -- params should come via the "Configure" option */
+	argv[1] = "--nofork";
+
+	argv[2] = TEMPORARY_FILE;
+	argv[3] = NULL;
+
+	/* FIXME: I guess NULL should do fine instead of /usr/bin */
+	if (!g_spawn_sync ("/usr/bin", argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL, &status, NULL))
+	{
+		g_warning ("Unable to launch %s: ", argv[0]);
+		return ;
+	}
+
+	if (WEXITSTATUS (status) != 0) {
+		d(printf ("\n\nsome problem here with external editor\n\n"));
+		return ;
+	} else {
+
+		gchar *buf;
+		CamelMimeMessage *message;
+		EMsgComposer *composer;
+
+		message = camel_mime_message_new ();
+
+		d(printf ("\n\nexternal editor works like a charm \n\n"));
+
+		if (g_file_get_contents (TEMPORARY_FILE, &buf, NULL, NULL)) {
+			gchar **tokens;
+			int i, j;
+
+			tokens = g_strsplit (buf, "###|||", 6);
+
+			for (i = 1; tokens[i]; ++i) {
+
+				for (j = 0; tokens[i][j] && tokens[i][j] != '\n'; ++j) {
+					tokens [i][j] = ' ';
+				}
+
+				if (tokens[i][j] == '\n')
+					tokens[i][j] = ' ';
+
+				g_strchug(tokens[i]);
+
+				d(printf ("\nstripped off token[%d] is : %s \n", i, tokens[i]));
+			}
+
+			camel_mime_message_set_recipients (message, "To", convert_to_camel_internet_address(tokens[1]));
+			camel_mime_message_set_recipients (message, "Cc", convert_to_camel_internet_address(tokens[2]));
+			camel_mime_message_set_recipients (message, "Bcc", convert_to_camel_internet_address(tokens[3]));
+
+			camel_mime_message_set_subject (message, tokens[4]);
+
+			camel_mime_part_set_content ((CamelMimePart *)message, tokens [5], strlen (tokens [5]), "text/plain");
+
+
+			/* FIXME: We need to make mail-remote working properly. 
+			   So that we neednot invoke composer widget at all. 
+			   May be we can do it now itself by invoking local CamelTransport. 
+			   But all that is not needed for the first release.
+			 */
+
+			composer = e_msg_composer_new_with_message (message);
+			g_signal_connect (GTK_OBJECT (composer), "send", G_CALLBACK (em_utils_composer_send_cb), NULL);
+
+			g_signal_connect (GTK_OBJECT (composer), "save-draft", G_CALLBACK (em_utils_composer_save_draft_cb), NULL);
+
+			gtk_widget_show (GTK_WIDGET (composer));
+		}
+	}
+#else
+	char *query;
+
+	query = g_strdup_printf ("%s /tmp/evolution-composer", editor);
+	system (query);
+	g_free (query);
+
+#endif	
+}