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     2

class button:

     3

     5

        self.parent = parent

    12

        self.dragging = False

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        if toggle:

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            self.up = not state

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        else:

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            self.up = True

    17

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        # Add event on each element of the button

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        if self.active:

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            self.back_elt.addEventListener("mouseup", self, False)

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            self.back_elt.addEventListener("mousedown", self, False)

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            self.back_elt.addEventListener("mouseover", self, False)

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            self.back_elt.addEventListener("mouseout", self, False)

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            self.sele_elt.addEventListener("mouseup", self, False)

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            self.sele_elt.addEventListener("mousedown", self, False)

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            self.sele_elt.addEventListener("mouseover", self, False)

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            self.sele_elt.addEventListener("mouseout", self, False)

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    30

        blockSVGElementDrag(self.back_elt)

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        blockSVGElementDrag(self.sele_elt)

    32

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        self.updateElements()

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    35

    # method to display the current state of interface

    36

    def updateElements(self):

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        if self.up:

    38

            self.sele_elt.setAttribute("visibility", "hidden")

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            self.back_elt.setAttribute("visibility", "visible")

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        else:

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            self.sele_elt.setAttribute("visibility", "visible")

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            self.back_elt.setAttribute("visibility", "hidden")

    43

    49

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    def handleEvent(self, evt):

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        # Quand le bouton de la souris est presse

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        if evt.type == "mousedown":

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            evt.stopPropagation()

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            setCurrentObject(self)

    55

    56

            self.dragging = True

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    58

            if self.toggle:

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                self.up = self.state

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            else:

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                self.up = False

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                self.state = True

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            self.updateElements()

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    66

        if isCurrentObject(self) and self.dragging:

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            # Quand le bouton est survole

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            if evt.type == "mouseover" and self.toggle:

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                self.up = self.state

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                self.updateElements()

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    72

            # Quand le curseur quitte la zone du bouton

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            elif evt.type == "mouseout" and self.toggle:       

    74

                self.up = not self.state

    75

                self.updateElements()

    76

    77

            # Quand le bouton de la souris est relache

    78

            elif evt.type == "mouseup":

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                evt.stopPropagation()

    80

                if self.toggle and self.up == self.state:

    81

                    self.state = not self.state

    83

                elif not self.toggle:

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                    self.up = True

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                    self.state = False

    87

                    self.updateElements()

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                self.dragging = False

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    90

class textControl:

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    93

        self.parent = parent

   106

   107

    def handleEvent(self, evt):

   108

        pass

   109