yaffs Use file emulator for python test
[yaffs2.git] / direct / python / yaffs_browser.py
old mode 100644 (file)
new mode 100755 (executable)
index e8fc660..9d5f505
+#!/usr/bin/python 
 import Tkinter as tk
 from yaffsfs import *
+#import examples
+import ctypes
 
 yaffs_StartUp()
 yaffs_mount("yaffs2/")
 root_window =tk.Tk()
+root_window.title("YAFFS Browser")
+mount_list_text_variable=tk.StringVar()
 
-def load_file(self=0):
-    print "youloaded a file"
-def back_a_directory(self=0):
+mount_list_text_variable.set("yaffs2/")
+current_directory_dict={}
+open_windows_list=[]
+
+class editor():
+    yaffs_handle=0
+    file_editor_root =0
+    save_button=[]
+    file_contents=0
+    file_path=0
+    def save_file(self):
+        #global current_directory_dict
+        print "saving the file"
+        print self.file_editor_text.get("1.0", tk.END) ##"1.0" is the index of the first line of text
+        yaffs_lseek(self.yaffs_handle, 0, 0)
+        data_to_be_written=self.file_editor_text.get("1.0", tk.END)
+        print "data to be saved", data_to_be_written
+        x=len(data_to_be_written)
+        print "length of data to be written",x  
+        output=yaffs_write(self.yaffs_handle,data_to_be_written , x)
+        print "output", output
+        yaffs_close(self.yaffs_handle)
+        self.yaffs_handle = yaffs_open(self.file_path,66,0666)
+        
+    def __init__(self):
+        global current_directory_dict
+        x=name_list_box.curselection()
+        self.id=int(x[0])
+        self.file_editor_root =tk.Toplevel()
+        self.save_button=tk.Button(self.file_editor_root, text="save", command=self.save_file)
+        self.save_button.pack()
+
+        self.file_path=current_directory_dict[self.id]["path"]
+        print "file path", self.file_path
+        self.file_editor_root.title(current_directory_dict[self.id]["path"])
+        self.file_editor_text=tk.Text(self.file_editor_root)
+        self.yaffs_handle = yaffs_open(current_directory_dict[self.id]["path"],66,0666)
+        length_of_file=yaffs_lseek(self.yaffs_handle, 0, 2) ##seeks to the end of the file
+        yaffs_lseek(self.yaffs_handle, 0, 0)## returns the handle to the front of th file
+        self.file_contents=ctypes.create_string_buffer(length_of_file)
+        yaffs_read(self.yaffs_handle,self.file_contents,length_of_file)
+        print "file contents", self.file_contents.raw
+        self.file_editor_text.insert(tk.END, self.file_contents.raw)
+        self.file_editor_text.pack()
+
+
+def load_dir():
+    global current_directory_dict
+    print "loading a new directory*******************************************************************"
+    name_list_box.delete(0, tk.END)
+    current_directory_dict=yaffs_ls(mount_list_text_variable.get())
+    print "new directory", current_directory_dict
+    ##copy directory into file box
+    for x in range(0,len(current_directory_dict)):
+        name_list_box.insert(x,(current_directory_dict[x]["inodes"]+"  "+ current_directory_dict[x]["type"]+"  "+ current_directory_dict[x]["size"]+"  "+ current_directory_dict[x]["path"]))
+    name_list_box.grid(column=0, row=1)
+    return current_directory_dict
+def save_file():
+    print file_editor_text.get(0, end)
     pass
+def load_file():
+    global open_windows_list
+    open_windows_list.append(editor())
+    
+
+
+    
+
+   # file_editor_text.insert(0, "this is a text box\n")
+    #use file_editor_text_box.get(0,  END) to retreve text
+    
+def load_command(self=0):
+    global current_directory_dict
+    print "you loaded a file/dir"
+    x=name_list_box.curselection()
+    x=int(x[0])
+    print "cursor selection", x
+    print "dict", current_directory_dict
+
+    print "file inode is:", current_directory_dict[x]["inodes"]
+    
+    
+    print "file path is:", current_directory_dict[x]["path"]
+    if current_directory_dict[x]["type"]=="dir":
+        ##open dir
+        print "open directory"
+        mount_list_text_variable.set(current_directory_dict[x]["path"])
+        print mount_list_text_variable.get()
+        print "old directory dict", current_directory_dict
+        current_directory_dict=load_dir()
+        print "new directory dict passed back"
+
+    elif current_directory_dict[x]["type"]=="file" :
+        ##open file
+        print "open file"
+        load_file()
+    
+
+    ##mount_list_text_variable.set(mount_list_text_variable.get()+str(list[0][0]))
+    
+def back_a_directory(self=0):
+    x=len(mount_list_text_variable.get())
+    string=mount_list_text_variable.get()
+    slashes_id=[]
+    #print "length of path", x 
+    #print "string been sorted:",  string
+    for i in range(0, x):
+        if string[i]=='/':
+            slashes_id.append(i)
+            #print "slash found at:", i
+        
+    print slashes_id
+    ##slashes_id.sort() not needed because the list is already in acending order
+    ##print "sorted",slashes_id
+
+    string=string[0: slashes_id[len(slashes_id)-2]+1]
+    print string
+    mount_list_text_variable.set(string)
+    load_dir()
+
+
     
+    
+    
+        
 def yaffs_ls(dname):
+    ls_dict=[]
+
     if dname[-1] != "/": dname = dname + "/"
     dc = yaffs_opendir(dname)
     if dc != 0 :
         sep = yaffs_readdir(dc)
         while bool(sep):
+            
             se = sep.contents
             fullname = dname + se.d_name
-            #print fullname, " ", se.d_ino," ",ord(se.d_type)
             st = yaffs_stat_struct()
             result = yaffs_stat(fullname,byref(st))
             perms = st.st_mode & 0777
@@ -26,16 +153,15 @@ def yaffs_ls(dname):
             isDir  = True if st.st_mode & 0x4000 else False
 
             if isFile :
-                print "File ",se.d_ino, hex(perms), st.st_size, fullname
+                ls_dict.append ({"type" :"file",  "inodes" :  str(se.d_ino),   "permissions" : str(hex(perms)),  "size": str(st.st_size), "path":  fullname})
             elif isDir :
-                print "Dir  ",se.d_ino, hex(perms), fullname
-                yaffs_ls(fullname)
-            else :
-               print "Other (",hex(st.st_mode),") ",se.d_ino, hex(perms), fullname
+                ls_dict.append({"type":"dir", "inodes" :str(se.d_ino), "permissions":str( hex(perms)),"size":"0",   "path": fullname+"/"})
 
+#            else :
+#              ls_dict.append( "Other ("+hex(st.st_mode)+") "+se.d_ino, hex(perms)+ fullname)
             sep = yaffs_readdir(dc)
         yaffs_closedir(dc)
-        return 0
+        return ls_dict
     else:
         print "Could not open directory"
         return -1
@@ -44,12 +170,11 @@ def yaffs_ls(dname):
 
 ##toolbar 
 toolbar_frame=tk.Frame(root_window)
-button_open=tk.Button(toolbar_frame, command=load_file, text="load")
+button_open=tk.Button(toolbar_frame, command=load_command, text="load")
 button_open.grid(column=0, row=0)
 button_back=tk.Button(toolbar_frame, command=back_a_directory, text="back")
 button_back.grid(column=1, row=0)
 toolbar_frame.grid(row=0, column=0,  columnspan=3)
-#root_window.bind("<Double-Button-1>", button_open)
 
 
 
@@ -57,9 +182,7 @@ toolbar_frame.grid(row=0, column=0,  columnspan=3)
 mount_list_frame=tk.Frame(root_window)
 mount_list_label=tk.Label(mount_list_frame, text="mount list")
 mount_list_label.pack(side=tk.RIGHT)
-mount_list_text_variable=tk.StringVar()
 
-mount_list_text_variable.set("path")
 mount_list_entry_box= tk.Entry(mount_list_frame,textvariable=mount_list_text_variable)
 mount_list_entry_box.pack(side=tk.RIGHT)
 mount_list_frame.grid(row=1, column=0, columnspan=2)
@@ -69,44 +192,24 @@ mount_list_frame.grid(row=1, column=0, columnspan=2)
 
 list_frame=tk.Frame(root_window)
 
-###header part of the browser
-#
-#name_button=tk.Button(list_frame, text="name")
-#name_button.grid(row=0, column=0)
-#
-#type_button=tk.Button(list_frame, text="file type")
-#type_button.grid(row=0, column=1)
-#
-#size_button=tk.Button(list_frame, text="size")
-#size_button.grid(row=0, column=2)
-
-
-
-
-
-##list part of the browser
-#
-#name_list_box=tk.Listbox(list_frame,exportselection=0, height=20, width=30)
-#
-#
-#
-#displayed_list=[]
-#for x in range(0,list.length_of_list ):
-#
-#    
-#    type_spaces=" "
-#    type_spaces=type_spaces* (10- len(list.type[x])) 
-#    y=(list.name[x]+name_spaces+list.type[x]+list.size[x])
-#    print (list.name[x]+name_spaces+list.type[x]+list.size[x])
-#    name_list_box.insert(x,y)
-#name_list_box.grid(column=0, row=1)
-#
-#
-#list_frame.grid()
-##browser_frame.grid(row=1, column=0,columnspan=3 )
-#name_list_box.bind("<Double-Button-1>", load_file)
-
-
-yaffs_ls("/yaffs2")
+
+
+name_list_box=tk.Listbox(list_frame,exportselection=0, height=20, width=30)
+
+load_dir()
+
+#print "current_dir_dict", current_directory_dict
+
+
+list_frame.grid()
+
+name_list_box.bind("<Double-Button-1>", load_command)
+
+
+
 
 root_window.mainloop()
+yaffs_unmount("yaffs2/")
+
+print"saving"
+