working on python dialogs

src/ConnectDialog.py

@@ -0,0 +1,52 @@
+#!/usr/bin/python
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+class ConnectDialog(Gtk.Window):
+
+	host = None
+	port = None
+
+	def __init__(self):
+		Gtk.Window.__init__(self, title="Connect to server")
+		self.connect("delete-event", Gtk.main_quit)
+
+		grid = Gtk.Grid()
+		self.add(grid)
+
+		self.host_label = Gtk.Label('Hostname or IP')
+		
+		self.host_input = Gtk.Entry();
+		self.host_input.set_text('localhost')
+
+		self.port_label = Gtk.Label('Port')
+		self.port_input = Gtk.Entry();
+		self.port_input.set_text('7887')
+
+		self.connect_btn = Gtk.Button(label="Connect")
+		self.connect_btn.connect("clicked", self.finish)
+
+		self.abort_btn = Gtk.Button(label="Abort")
+		self.abort_btn.connect("clicked", self.abort)
+
+		grid.attach(self.host_label,0,0,1,1)
+		grid.attach(self.host_input,1,0,1,1)
+		grid.attach(self.port_label,0,1,1,1)
+		grid.attach(self.port_input,1,1,1,1)
+		grid.attach(self.abort_btn,0,2,1,1)
+		grid.attach(self.connect_btn,1,2,1,1)
+
+
+	def abort(self, widget):
+		Gtk.main_quit()
+
+	def run(self):
+		self.show_all()
+		Gtk.main()
+
+	def finish(self, widget):
+		self.host = self.host_input.get_text()
+		self.port = int(self.port_input.get_text())
+		self.hide()
+		Gtk.main_quit()

src/FileDialog.py

@@ -0,0 +1,52 @@
+#!/usr/bin/python
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+class FileDialog(Gtk.Window):
+
+	def __init__(self,title,hint):
+		Gtk.Window.__init__(self, title=title)
+		self.connect("delete-event", Gtk.main_quit)
+
+		self.hint = Gtk.Label(hint);
+		self.dir_grid = Gtk.Grid()
+		self.dir_input = Gtk.Entry();
+		self.new_btn = Gtk.Button('Create')
+		self.new_btn.connect('clicked',self.new_btn_clck)
+		
+		self.y = 0
+		
+		
+	def add_dir(self,name):
+		btn = Gtk.Button(label=name)
+		btn.connect("clicked",self.select_dir)
+		self.dir_grid.attach(btn,0,self.y,1,1)
+		self.y+=1
+		
+	def new_btn_clck(self,widget):
+		self.dir = self.dir_input.get_text()
+		self.hide()
+		Gtk.main_quit()
+	
+	def run(self):
+		scroll = Gtk.ScrolledWindow(hexpand=True, vexpand=True)
+		
+		
+		grid = Gtk.Grid()		
+		scroll.add(self.dir_grid)
+		
+		grid.attach(self.hint,		0,0,2,1)
+		grid.attach(scroll,			0,1,2,1)
+		grid.attach(self.dir_input,	0,2,1,1)
+		grid.attach(self.new_btn,	1,2,1,1)
+		
+		self.add(grid)
+		self.set_size_request(	300, 900)
+		self.show_all()
+		Gtk.main()
+		
+	def select_dir(self,widget):
+		self.dir = widget.get_label()
+		self.hide()
+		Gtk.main_quit()

src/YesNoDialog.py

@@ -0,0 +1,32 @@
+#!/usr/bin/python
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+class YesNoDialog(Gtk.Window):
+	def __init__(self,question):
+		Gtk.Window.__init__(self)
+		self.connect("delete-event", Gtk.main_quit)
+
+		grid = Gtk.Grid()
+		
+		question = Gtk.Label(question);
+		yes = Gtk.Button('Yes')
+		yes.connect('clicked',self.evaluate)
+		no = Gtk.Button('No')
+		no.connect('clicked',self.evaluate)
+		
+		grid.attach(question,0,0,2,1)
+		grid.attach(yes,0,1,1,1)
+		grid.attach(no,1,1,1,1)
+		self.add(grid)
+		
+		self.answer = None
+		
+		self.show_all()
+		Gtk.main()
+		
+	def evaluate(self,widget):
+		self.answer=widget.get_label() == 'Yes'
+		self.hide()
+		Gtk.main_quit()

src/server.py

@@ -0,0 +1,59 @@
+'''
+    Simple socket server using threads
+'''
+ 
+import socket
+import sys
+from thread import *
+ 
+HOST = ''   # Symbolic name meaning all available interfaces
+PORT = 8888 # Arbitrary non-privileged port
+ 
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+print 'Socket created'
+ 
+#Bind socket to local host and port
+try:
+    s.bind((HOST, PORT))
+except socket.error as msg:
+    print 'Bind failed. Error Code : ' + str(msg[0]) + ' Message ' + msg[1]
+    sys.exit()
+     
+print 'Socket bind complete'
+ 
+#Start listening on socket
+s.listen(10)
+print 'Socket now listening'
+ 
+#Function for handling connections. This will be used to create threads
+def clientthread(conn):
+    #Sending message to connected client
+    conn.send('Welcome to the server. Type something and hit enter\n') #send only takes string
+     
+    #infinite loop so that function do not terminate and thread do not end.
+    while True:
+         
+        #Receiving from client
+        data = conn.recv(1024).strip()
+	if data == 'exit':
+		conn.sendall('Bye!')
+		break
+        reply = 'OK...' + data
+        if not data: 
+            break
+     
+        conn.sendall(reply)
+     
+    #came out of loop
+    conn.close()
+ 
+#now keep talking with the client
+while 1:
+    #wait to accept a connection - blocking call
+    conn, addr = s.accept()
+    print 'Connected with ' + addr[0] + ':' + str(addr[1])
+     
+    #start new thread takes 1st argument as a function name to be run, second is the tuple of arguments to the function.
+    start_new_thread(clientthread ,(conn,))
+ 
+s.close()

src/web4rail.client.py

@@ -1,56 +1,61 @@
-import gi
-gi.require_version('Gtk', '3.0')
-from gi.repository import Gtk
+#!/usr/bin/python
+import socket
+from ConnectDialog import *
+from FileDialog import *
+from YesNoDialog import *
+	
+def readline(socket):
+	buffer = socket.recv(4096)
+	buffering = True
+	while buffering:
+		if "\n" in buffer:
+			(line, buffer) = buffer.split("\n", 1)
+			yield line
+		else:
+			more = socket.recv(4096)
+			if not more:
+				buffering = False
+			else:
+				buffer += more
+	if buffer:
+		yield buffer
 
-class ConnectDialog(Gtk.Window):
-
-	host = None
-	port = None
-
-	def __init__(self):
-		Gtk.Window.__init__(self, title="Connect to server")
-
-		grid = Gtk.Grid()
-		self.add(grid)
+conn_dlg = ConnectDialog()
+conn_dlg.run()
 
-		self.host_label = Gtk.Label('Hostname or IP')
+if conn_dlg.port != None:
+	client_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+	client_sock.connect((conn_dlg.host,conn_dlg.port))
+	client = readline(client_sock)
+	current_dir = ''
+			
+	while True:
+		line = client.next()
 		
-		self.host_input = Gtk.Entry();
-		self.host_input.set_text('localhost')
-
-		self.port_label = Gtk.Label('Port')
-		self.port_input = Gtk.Entry();
-		self.port_input.set_text('7887')
-
-		self.connect_btn = Gtk.Button(label="Connect")
-                self.connect_btn.connect("clicked", self.try_connect)
-
-		self.abort_btn = Gtk.Button(label="Abort")
-                self.abort_btn.connect("clicked", self.abort)
-
-		grid.attach(self.host_label,0,0,1,1)
-		grid.attach(self.host_input,1,0,1,1)
-		grid.attach(self.port_label,0,1,1,1)
-		grid.attach(self.port_input,1,1,1,1)
-		grid.attach(self.abort_btn,0,2,1,1)
-                grid.attach(self.connect_btn,1,2,1,1)
-
-		self.connect("delete-event", Gtk.main_quit)
-
-	def abort(self, widget):
-		Gtk.main_quit()
-
-	def run(self):
-		self.show_all()
-		Gtk.main()
+		if line.startswith('current dir'):
+			current_dir = line
+			continue
+			
+		if line.startswith('select one'):
+			file_dialog = FileDialog(line,current_dir)
+			while True:
+				line = client.next()
+				if line.startswith('--'):
+					break
+				file_dialog.add_dir(line.strip())
+			file_dialog.run()
+			
+			client_sock.send(file_dialog.dir+"\n")
+			continue
 		
-
-	def try_connect(self, widget):
-		self.host = self.host_input.get_text()
-		self.port = self.port_input.get_text()
-		Gtk.main_quit()
-
-conn_dlg = ConnectDialog()
-conn_dlg.run()
-print str(conn_dlg.host)
-print str(conn_dlg.port)
+		if 'does not exist. Create' in line:
+			dir = line.split('does not exist')[0].strip()
+			dialog = YesNoDialog(line)
+			if dialog.answer:
+				client_sock.send("yes\n")
+			else:
+				client_sock.send("no\n")
+			continue
+			
+		print line
+print "Test"

src/web4rail.server.py

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/python
 
 import socket,sys,os
 from thread import *
@@ -25,27 +25,32 @@ class web4rail_server:
 
 	def create_system(self,path):
 		print 'creating new system at '+path
-
+		os.mkdir(path, 0755)
+		file = open(path+'/plan.json', 'w+')
+		
 	def load_system(self,path):
 		print 'loading system from '+path
+		
 
 	def select_system(self,conn):
 		path='/'
 		conn.send("Welcome to the Web2Rail server. Please select a SYSTEM first:\n");
 		while True:
 			conn.send('current dir: '+path+"\n")
-			contents = os.listdir(path)
+			contents = sorted(os.listdir(path))
+			
 			conn.send("select one from\n")
 			for entry in contents:
 				conn.send('  '+entry+"\n")
+			conn.send("--\n")
 			entry = conn.recv(1024).strip()
 			if entry in contents:
-				path += entry
-				if os.path.isfile(path):
+				if os.path.isfile(path+entry):
 					break
-				path += '/'
+				path += entry+'/'
 			else:
-				conn.send(path+entry+' does not exist. Create (yes/no/abort)? ')
+				print entry
+				conn.send(path+entry+' does not exist. Create (yes/no/abort)?\n')
 				input = conn.recv(1024).strip()
 				if input == 'yes':
 					path += entry
@@ -54,6 +59,8 @@ class web4rail_server:
 				if input == 'abort':
 					path = None
 					break
+				path = '/'
+								
 		if path == None:
 			return