diff -r 6be032177e2a -r ecf4d203c4d4 py_ext/modules/svgui/svguilib.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/py_ext/modules/svgui/svguilib.py	Tue May 08 17:08:45 2012 +0200
@@ -0,0 +1,117 @@
+
+class button:
+    
+    def __init__(self, parent, id, args):
+        self.parent = parent
+        self.id = id
+        self.back_elt = getSVGElementById(args.back_id)
+        self.sele_elt = getSVGElementById(args.sele_id)
+        self.toggle = args.toggle
+        self.active = args.active
+        if args.state != undefined:
+            self.state = args.state
+        else:
+            self.state = False
+        self.dragging = False
+        if self.toggle:
+            self.up = not self.state
+        else:
+            self.up = True
+        
+        # Add event on each element of the button
+        if self.active:
+            self.back_elt.addEventListener("mouseup", self, False)
+            self.back_elt.addEventListener("mousedown", self, False)
+            self.back_elt.addEventListener("mouseover", self, False)
+            self.back_elt.addEventListener("mouseout", self, False)
+            
+            self.sele_elt.addEventListener("mouseup", self, False)
+            self.sele_elt.addEventListener("mousedown", self, False)
+            self.sele_elt.addEventListener("mouseover", self, False)
+            self.sele_elt.addEventListener("mouseout", self, False)
+        
+        blockSVGElementDrag(self.back_elt)
+        blockSVGElementDrag(self.sele_elt)
+
+        self.updateElements()
+
+    # method to display the current state of interface
+    def updateElements(self):
+        if self.up:
+            self.sele_elt.setAttribute("display", "none")
+            self.back_elt.removeAttribute("display")
+        else:
+            self.sele_elt.removeAttribute("display")
+            self.back_elt.setAttribute("display", "none")
+            
+    def updateValues(self, values):
+        if values.state != self.state:
+            self.state = values.state
+            self.up = not self.state
+            updateAttr(self.id, 'state', self.state)
+            self.updateElements()
+
+    def handleEvent(self, evt):
+        # Quand le bouton de la souris est presse
+        if evt.type == "mousedown":
+            evt.stopPropagation()
+            setCurrentObject(self)
+            
+            self.dragging = True
+            
+            if self.toggle:
+                self.up = self.state
+            else:
+                self.up = False
+                self.state = True
+                updateAttr(self.id, 'state', self.state)
+            self.updateElements()
+        
+        if isCurrentObject(self) and self.dragging:
+            # Quand le bouton est survole
+            if evt.type == "mouseover" and self.toggle:
+                self.up = self.state
+                self.updateElements()
+            
+            # Quand le curseur quitte la zone du bouton
+            elif evt.type == "mouseout" and self.toggle:       
+                self.up = not self.state
+                self.updateElements()
+            
+            # Quand le bouton de la souris est relache
+            elif evt.type == "mouseup":
+                evt.stopPropagation()
+                if self.toggle and self.up == self.state:
+                    self.state = not self.state
+                    updateAttr(self.id, 'state', self.state)
+                elif not self.toggle:
+                    self.up = True
+                    self.state = False
+                    updateAttr(self.id, 'state', self.state)
+                    self.updateElements()
+                self.dragging = False
+
+class textControl:
+    
+    def __init__(self, parent, id, args):
+        self.parent = parent
+        self.id = id
+        self.back_elt = getSVGElementById(args.back_id)
+        if args.text != undefined:
+            self.text = args.text
+        else:
+            self.text = ""
+        self.updateElements()
+    
+    def updateValues(self, values):
+        if values.text != self.value:
+            self.text = values.text
+            updateAttr(self.id, 'text', self.text)
+            self.updateElements()
+    
+    def updateElements(self):
+        self.back_elt.firstChild.firstChild.textContent = self.text
+    
+    def handleEvent(self, evt):
+        pass
+    
\ No newline at end of file