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

8 files changed, 265 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 74e23c0814..ecc4a44e8e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+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.
+
 2007-10-23  Chenthill Palanisamy  <pchenthill@novell.com>
 
 	* configure.in
diff --git a/configure.in b/configure.in
index bf0595f7f0..60804fa4b0 100644
--- a/configure.in
+++ b/configure.in
@@ -1690,7 +1690,7 @@ plugins_standard_always="bbdb subject-thread save-calendar select-one-source cop
 plugins_standard="$plugins_standard_always"
 all_plugins_standard="$plugins_standard"
 
-plugins_experimental_always="backup-restore folder-unsubscribe mail-to-meeting mail-remote save-attachments"
+plugins_experimental_always="backup-restore folder-unsubscribe mail-to-meeting mail-remote save-attachments external-editor"
 plugins_experimental="$plugins_experimental_always $IPOD_SYNC $TNEF_ATTACHMENTS"
 all_plugins_experimental="$plugins_experimental_always ipod-sync tnef-attachments"
 
@@ -1986,6 +1986,7 @@ plugins/import-ics-attachments/Makefile
 plugins/imap-features/Makefile
 plugins/tnef-attachments/Makefile
 plugins/face/Makefile
+plugins/external-editor/Makefile
 smime/Makefile
 smime/lib/Makefile
 smime/gui/Makefile
diff --git a/plugins/external-editor/ChangeLog b/plugins/external-editor/ChangeLog
new file mode 100644
index 0000000000..48fd3ad228
--- /dev/null
+++ b/plugins/external-editor/ChangeLog
@@ -0,0 +1,17 @@
+2007-10-25  Sankar P  <psankar@novell.com>
+
+	* Makefile.am:
+	* org-gnome-external-editor.eplug.xml:
+	* org-gnome-external-editor.xml:
+	* org-gnome-external-editor.error.xml:
+	* external-editor.c:
+
+	- Initial files for the plugin. 
+
+	- This plugin allows you to use an external editor 
+	as the composer.
+
+	- I've tested this gvim and it works fine. 
+
+	- Needs a lot of more work before this 
+	moves out of experimental state.
diff --git a/plugins/external-editor/Makefile.am b/plugins/external-editor/Makefile.am
new file mode 100644
index 0000000000..beec48dc29
--- /dev/null
+++ b/plugins/external-editor/Makefile.am
@@ -0,0 +1,38 @@
+INCLUDES =						\
+	-DEVOLUTION_LOCALEDIR=\""$(localedir)"\"	\
+	-DEVOLUTION_TOOLSDIR=\""$(privlibexecdir)"\"	\
+	-DPREFIX=\""$(prefix)"\"			\
+	-DSYSCONFDIR=\""$(sysconfdir)"\"		\
+	-DDATADIR=\""$(datadir)"\"			\
+	-DLIBDIR=\""$(libdir)"\"			\
+	-I$(top_srcdir)					\
+	-I$(top_srcdir)/composer			\
+	$(SHELL_CFLAGS)					\
+	$(EVOLUTION_MAIL_CFLAGS)			\
+	$(E_UTIL_CFLAGS)				
+
+@EVO_PLUGIN_RULE@
+
+error_DATA = org-gnome-external-editor.error
+errordir = $(privdatadir)/errors
+
+plugin_DATA = 						\
+	org-gnome-external-editor.eplug 		\
+	org-gnome-external-editor.xml
+
+plugin_LTLIBRARIES = liborg-gnome-external-editor.la
+
+liborg_gnome_external_editor_la_SOURCES = 		\
+	external-editor.c
+
+liborg_gnome_external_editor_la_LDFLAGS = -module -avoid-version
+
+EXTRA_DIST = 					\
+	org-gnome-external-editor.eplug.xml	\
+	org-gnome-external-editor.error.xml	\
+	org-gnome-external-editor.xml
+
+BUILT_SOURCES = org-gnome-external-editor.eplug \
+		org-gnome-external-editor.error
+
+CLEANFILES = $(BUILT_SOURCES)
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	
+}
diff --git a/plugins/external-editor/org-gnome-external-editor.eplug.xml b/plugins/external-editor/org-gnome-external-editor.eplug.xml
new file mode 100644
index 0000000000..cbe28ab022
--- /dev/null
+++ b/plugins/external-editor/org-gnome-external-editor.eplug.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0"?>
+<e-plugin-list>
+  <!-- the path to the shared library -->
+  <e-plugin
+    id="org.gnome.plugin.external.editor"
+    type="shlib"
+    location="@PLUGINDIR@/liborg-gnome-external-editor@SOEXT@"
+    _name="External Editor">
+    <author name="Sankar P" email="sankar2u@gmail.com"/>
+    <_description>A plugin for using an external editor as the composer. You can send only plain-text mails. </_description>
+
+    <hook class="org.gnome.evolution.shell.bonobomenu:1.0">
+
+      <menu id="org.gnome.evolution.shell" target="shell">
+	<!-- the path to the bonobo menu description -->
+	<ui file="@PLUGINDIR@/org-gnome-external-editor.xml"/>
+	<item
+	  type="item"
+	  verb="EPExtEditor"
+	  path="/commands/EPExtEditor"
+	  activate="org_gnome_external_editor"/>
+      </menu>
+
+    </hook>
+
+  </e-plugin>
+</e-plugin-list>
diff --git a/plugins/external-editor/org-gnome-external-editor.error.xml b/plugins/external-editor/org-gnome-external-editor.error.xml
new file mode 100644
index 0000000000..05fbca60e9
--- /dev/null
+++ b/plugins/external-editor/org-gnome-external-editor.error.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<error-list domain="org.gnome.external-editor">
+
+</error-list>
diff --git a/plugins/external-editor/org-gnome-external-editor.xml b/plugins/external-editor/org-gnome-external-editor.xml
new file mode 100644
index 0000000000..ca7969c4b7
--- /dev/null
+++ b/plugins/external-editor/org-gnome-external-editor.xml
@@ -0,0 +1,17 @@
+<Root>
+  <commands>
+
+    <cmd name="EPExtEditor" _label="Compose in External Editor"
+      _tip="Compose mails using an external editor"
+      pixtype="pixmap"/>
+
+  </commands>
+
+  <menu>
+    <submenu name="File">
+      <placeholder name="FileOps">
+	  <menuitem name="EPExtEditor" verb=""/>
+      </placeholder>
+   </submenu>
+  </menu>
+</Root>