Création du widget de navigation précédent / suivant.

git-svn-id: https://svn.cri.ensmp.fr/svn/minwii/trunk@284 fe552daf-6dbe-4428-90eb-1537e0879342

diff --git a/src/minwii/logapp.py b/src/minwii/logapp.py
index 1bcd703..b7b749e 100755 (executable)
--- a/src/minwii/logapp.py
+++ b/src/minwii/logapp.py
@@ -14,15 +14,64 @@ class Application(Frame) :
         Frame.__init__(self, master)
         self.grid()
         self.createWidgets()
+        self.logDir = ''
     
     def createWidgets(self) :
+        self.nav = Navbar(self)
         self.chooseLogDir = Button(self, text="Parcourir…", command=self.openFileDialog)
         self.chooseLogDir.grid()
         self.quitButton = Button(self, text='Terminer', command=self.quit)
         self.quitButton.grid()
     
     def openFileDialog(self) :
-        print tkFileDialog.askopenfilename()
+        self.logDir = tkFileDialog.askdirectory()
+
+
+class Navbar(Frame) :
+    def __init__(self, master=None, from_=1, to=10, start=1, step=1) :
+        Frame.__init__(self, master)
+        self.from_ = from_
+        self.to = to
+        self.index = start
+        self.step = step
+        self.grid()
+        self.caption = StringVar()
+        self.caption.set('%d / %d' % (self.index, self.to))
+        self.createWidgets()
+    
+    def createWidgets(self) :
+        self.backBtn = Button(self,
+                              text='◀',
+                              state = DISABLED if self.index==self.from_ else NORMAL,
+                              command = self.dec
+                              )
+        self.backBtn.grid(row=0, column=0)
+        
+        self.lbl = Label(self, textvariable=self.caption)
+        self.lbl.grid(row=0, column=1)
+
+        self.nextBtn = Button(self,
+                              text='▶',
+                              state = DISABLED if self.index==self.to else NORMAL,
+                              command = self.inc)
+        self.nextBtn.grid(row=0, column=2)
+    
+    def dec(self) :
+        self.index = self.index - self.step
+        self.caption.set('%d / %d' % (self.index, self.to))
+        if self.index == self.from_ :
+            self.backBtn.configure(state=DISABLED)
+        if self.index < self.to :
+            self.nextBtn.configure(state=NORMAL)
+    
+    def inc(self) :
+        self.index = self.index + self.step
+        self.caption.set('%d / %d' % (self.index, self.to))
+        if self.index == self.to :
+            self.nextBtn.configure(state=DISABLED)
+        if self.index > self.from_ :
+            self.backBtn.configure(state=NORMAL)
+    
 
 app = Application()
 app.master.title("Analyseur des sessions MINWii")