1

#!/usr/bin/env python

     2

# -*- coding: utf-8 -*-

     3

     4

# This file is part of Beremiz, a Integrated Development Environment for

     5

# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

     6

#

     7

# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     8

#

     9

# See COPYING file for copyrights details.

    10

#

    11

# This program is free software; you can redistribute it and/or

    12

# modify it under the terms of the GNU General Public License

    13

# as published by the Free Software Foundation; either version 2

    14

# of the License, or (at your option) any later version.

    15

#

    16

# This program is distributed in the hope that it will be useful,

    17

# but WITHOUT ANY WARRANTY; without even the implied warranty of

    18

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    19

# GNU General Public License for more details.

    20

#

    21

# You should have received a copy of the GNU General Public License

    22

# along with this program; if not, write to the Free Software

    23

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    24

    25

    26

class button:

    27

    28

    def __init__(self, parent, id, args):

    29

        self.parent = parent

    30

        self.id = id

    31

        self.back_elt = getSVGElementById(args.back_id)

    32

        self.sele_elt = getSVGElementById(args.sele_id)

    33

        self.toggle = args.toggle

    34

        self.active = args.active

    35

        if args.state != undefined:

    36

            self.state = args.state

    37

        else:

    38

            self.state = False

    39

        self.dragging = False

    40

        if self.toggle:

    41

            self.up = not self.state

    42

        else:

    43

            self.up = True

    44

    45

        # Add event on each element of the button

    46

        if self.active:

    47

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

    48

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

    49

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

    50

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

    51

    52

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

    53

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

    54

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

    55

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

    56

    57

        blockSVGElementDrag(self.back_elt)

    58

        blockSVGElementDrag(self.sele_elt)

    59

    60

        self.updateElements()

    61

    62

    # method to display the current state of interface

    63

    def updateElements(self):

    64

        if self.up:

    65

            self.sele_elt.setAttribute("display", "none")

    66

            self.back_elt.removeAttribute("display")

    67

        else:

    68

            self.sele_elt.removeAttribute("display")

    69

            self.back_elt.setAttribute("display", "none")

    70

    71

    def updateValues(self, values):

    72

        if values.state != self.state:

    73

            self.state = values.state

    74

            self.up = not self.state

    75

            if self.toggle:

    76

                updateAttr(self.id, 'state', self.state)

    77

            self.updateElements()

    78

    79

    def handleEvent(self, evt):

    80

        # Quand le bouton de la souris est presse

    81

        if evt.type == "mousedown":

    82

            evt.stopPropagation()

    83

            setCurrentObject(self)

    84

    85

            self.dragging = True

    86

    87

            if self.toggle:

    88

                self.up = self.state

    89

            else:

    90

                self.up = False

    91

                self.state = True

    92

                updateAttr(self.id, 'state', self.state)

    93

            self.updateElements()

    94

    95

        if isCurrentObject(self) and self.dragging:

    96

            # Quand le bouton est survole

    97

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

    98

                self.up = self.state

    99

                self.updateElements()

   100

   101

            # Quand le curseur quitte la zone du bouton

   102

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

   103

                self.up = not self.state

   104

                self.updateElements()

   105

   106

            # Quand le bouton de la souris est relache

   107

            elif evt.type == "mouseup":

   108

                evt.stopPropagation()

   109

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

   110

                    self.state = not self.state

   111

                    updateAttr(self.id, 'state', self.state)

   112

                elif not self.toggle:

   113

                    self.up = True

   114

                    self.state = False

   115

                    updateAttr(self.id, 'state', self.state)

   116

                    self.updateElements()

   117

                self.dragging = False

   118

   119

   120

class textControl:

   121

   122

    def __init__(self, parent, id, args):

   123

        self.parent = parent

   124

        self.id = id

   125

        self.back_elt = getSVGElementById(args.back_id)

   126

        if args.text != undefined:

   127

            self.text = args.text

   128

        else:

   129

            self.text = ""

   130

        self.updateElements()

   131

   132

    def updateValues(self, values):

   133

        if values.text != self.value:

   134

            self.text = values.text

   135

            updateAttr(self.id, 'text', self.text)

   136

            self.updateElements()

   137

   138

    def updateElements(self):

   139

        self.back_elt.firstChild.firstChild.textContent = self.text

   140

   141

    def handleEvent(self, evt):

   142

        pass