+#!/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()
+
+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
+ st = yaffs_stat_struct()
+ result = yaffs_stat(fullname,byref(st))
+ perms = st.st_mode & 0777
+ isFile = True if st.st_mode & 0x8000 else False
+ isDir = True if st.st_mode & 0x4000 else False
+
+ if isFile :
+ ls_dict.append ({"type" :"file", "inodes" : str(se.d_ino), "permissions" : str(hex(perms)), "size": str(st.st_size), "path": fullname})
+ elif isDir :
+ 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 ls_dict
+ else:
+ print "Could not open directory"
+ return -1
+
+
+
+##toolbar
+toolbar_frame=tk.Frame(root_window)
+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)
+
+
+
+##mount list entry box init
+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_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)
+
+
+
+
+list_frame=tk.Frame(root_window)
+
+
+
+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"
+