1

     2

TYPECONVERSION = {"BOOL" : "X", "SINT" : "B", "INT" : "W", "DINT" : "D", "LINT" : "L",

     3

    "USINT" : "B", "UINT" : "W", "UDINT" : "D", "ULINT" : "L", "REAL" : "D", "LREAL" : "L",

     4

    "STRING" : "B", "BYTE" : "B", "WORD" : "W", "DWORD" : "D", "LWORD" : "L", "WSTRING" : "W"}

     5

     6

def GetBlockGenerationFunction(beremiz):

     7

    def generate_svgui_block(generator, block, body, link):

     8

        controller = generator.GetController()

     9

        name = block.getInstanceName()

    10

        type = block.getTypeName()

    11

        block_infos = GetBlockType(type)

    12

        bus_id, name = [word for word in name.split("_") if word != ""]

    13

        block_id = beremiz.GetSVGUIElementId(bus_id, name)

    14

        if block_id == None:

    15

            raise ValueError, "No corresponding block found"

    16

        if not generator.ComputedBlocks.get(name, False):

    17

            for num, variable in enumerate(block.inputVariables.getVariable()):

    18

                connections = variable.connectionPointIn.getConnections()

    19

                if connections and len(connections) == 1:

    20

                    parameter = "__I%s%d_%d_%d"%(TYPECONVERSION[block_infos["inputs"][num][1]], bus_id, block_id, num)

    21

                    value = generator.ComputeFBDExpression(body, connections[0])

    22

                    generator.Program += ("  %s := %s;\n"%(parameter, generator.ExtractModifier(variable, value)))

    23

            generator.ComputedBlocks[name] = True

    24

        if link:

    25

            connectionPoint = link.getPosition()[-1]

    26

            for num, variable in enumerate(block.outputVariables.getVariable()):

    27

                blockPointx, blockPointy = variable.connectionPointOut.getRelPosition()

    28

                if block.getX() + blockPointx == connectionPoint.getX() and block.getY() + blockPointy == connectionPoint.getY():

    29

                    return "__Q%s%d_%d_%d"%(TYPECONVERSION[block_infos["outputs"][num][1]], bus_id, block_id, num)

    30

            raise ValueError, "No output variable found"

    31

        else:

    32

            return None

    33

    return generate_svgui_block

    34

    35

BlockList = {"name" : "SVGUI function blocks", "list" :

    36

               [{"name" : "Container", "type" : "functionBlock", "extensible" : False, 

    37

                 "inputs" : [("X","FLOAT","none"),("SetX","BOOL","none"),("Y","FLOAT","none"),("SetY","BOOL","none"),("Angle","FLOAT","none"),("SetAngle","BOOL","none")], 

    38

                 "outputs" : [("X","FLOAT","none"),("X Changed","BOOL","none"),("Y","FLOAT","none"),("Y Changed","BOOL","none"),("Angle","FLOAT","none"),("Angle Changed","BOOL","none")],

    39

                 "comment" : "SVGUI Container"},

    40

                {"name" : "Button", "type" : "functionBlock", "extensible" : False, 

    41

                 "inputs" : [("Show","BOOL","none"),("Toggle","BOOL","none")], 

    42

                 "outputs" : [("Visible","BOOL","none"),("State","BOOL","none")],

    43

                 "comment" : "SVGUI Button"},

    44

                {"name" : "TextCtrl", "type" : "functionBlock", "extensible" : False, 

    45

                 "inputs" : [("Text","STRING","none"),("Set Text","BOOL","none")], 

    46

                 "outputs" : [("Text","STRING","none"),("Text Changed","BOOL","none")],

    47

                 "comment" : "SVGUI Text Control"},

    48

                {"name" : "ScrollBar", "type" : "functionBlock", "extensible" : False, 

    49

                 "inputs" : [("Position","UINT","none"),("Set Position","BOOL","none")], 

    50

                 "outputs" : [("Position","UINT","none"),("Position Changed","BOOL","none")],

    51

                 "comment" : "SVGUI ScrollBar"},

    52

                {"name" : "NoteBook", "type" : "functionBlock", "extensible" : False, 

    53

                 "inputs" : [("Selected","UINT","none"),("Set Selected","BOOL","none")], 

    54

                 "outputs" : [("Selected","UINT","none"),("Selected Changed","BOOL","none")],

    55

                 "comment" : "SVGUI Notebook"},

    56

                {"name" : "RotatingCtrl", "type" : "functionBlock", "extensible" : False, 

    57

                 "inputs" : [("Angle","FLOAT","none"),("Set Angle","BOOL","none")], 

    58

                 "outputs" : [("Angle","FLOAT","none"),("Angle changed","BOOL","none")],

    59

                 "comment" : "SVGUI Rotating Control"},

    60

               ]}