117 lines
3.9 KiB
HTML
117 lines
3.9 KiB
HTML
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<HTML>
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<HEAD><TITLE>Python Script sample: Calculator</TITLE></HEAD>
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<BODY><FONT FACE=ARIAL SIZE=3> <!-- global default -->
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<SCRIPT LANGUAGE="Python">
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# globals
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Accum = 0.0 # Previous number (operand) awaiting operation
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FlagNewNum = 1 # Flag to indicate a new number (operand) is being entered
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NullOp = lambda x,y: y
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PendingOp = NullOp# Pending operation waiting for completion of second operand
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numberButNames = ['Zero','One','Two','Three','Four','Five','Six','Seven','Eight','Nine']
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def NumPressed(Num):
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print "NumPressed", Num
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global FlagNewNum
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if FlagNewNum:
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ax.document.Keypad.ReadOut.Value = Num
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FlagNewNum = None
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else:
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if ax.document.Keypad.ReadOut.Value == "0":
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ax.document.Keypad.ReadOut.Value = str(Num)
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else:
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ax.document.Keypad.ReadOut.Value= ax.document.Keypad.ReadOut.Value + str(Num)
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# Dynamically create handlers for all the decimal buttons.
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# (ie, this will dynamically create "One_OnClick()"... etc handlers
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for i in range(len(numberButNames)):
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exec "def %s_OnClick():\tNumPressed(%d)\n" % (numberButNames[i],i)
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def Decimal_OnClick():
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global curReadOut, FlagNewNum
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curReadOut = ax.document.Keypad.ReadOut.Value
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if FlagNewNum:
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curReadOut = "0."
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FlagNewNum = None
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else:
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if not ("." in curReadOut):
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curReadOut = curReadOut + "."
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ax.document.Keypad.ReadOut.Value = curReadOut
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import sys, string
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def Operation(Op, fn):
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global FlagNewNum, PendingOp, Accum
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ReadOut = ax.document.Keypad.ReadOut.Value
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print "Operation", Op, ReadOut, PendingOp, Accum
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if FlagNewNum:
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# User is hitting op keys repeatedly, so don't do anything
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PendingOp = NullOp
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else:
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FlagNewNum = 1
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Accum = PendingOp( Accum, string.atof(ReadOut) )
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ax.document.Keypad.ReadOut.Value = str(Accum)
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PendingOp = fn
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def ClearEntry_OnClick():
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# Remove current number and reset state
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global FlagNewNum
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ax.document.Keypad.ReadOut.Value = "0"
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FlagNewNum = 1
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def Clear_OnClick():
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global Accum, PendingOp
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Accum = 0
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PendingOp = NullOp
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ClearEntry_OnClick()
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def Neg_OnClick():
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ax.document.Keypad.ReadOut.Value = str(-string.atof(ax.document.Keypad.ReadOut.Value))
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</SCRIPT>
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<form action="" Name="Keypad">
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<TABLE>
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<B>
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<TABLE BORDER=2 WIDTH=50 HEIGHT=60 CELLPADDING=1 CELLSPACING=5>
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<CAPTION ALIGN=top> <b>Calculator</b><p> </CAPTION>
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<TR>
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<TD COLSPAN=3 ALIGN=MIDDLE><INPUT NAME="ReadOut" TYPE="Text" SIZE=24 VALUE="0" WIDTH=100%></TD>
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<TD></TD>
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<TD><INPUT NAME="Clear" TYPE="Button" VALUE=" C " ></TD>
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<TD><INPUT NAME="ClearEntry" TYPE="Button" VALUE=" CE " ></TD>
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</TR>
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<TR>
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<TD><INPUT NAME="Seven" TYPE="Button" VALUE=" 7 " ></TD>
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<TD><INPUT NAME="Eight" TYPE="Button" VALUE=" 8 " ></TD>
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<TD><INPUT NAME="Nine" TYPE="Button" VALUE=" 9 " ></TD>
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<TD></TD>
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<TD><INPUT NAME="Neg" TYPE="Button" VALUE=" +/- " ></TD>
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<TD><INPUT NAME="Percent" TYPE="Button" VALUE=" % " OnClick="Operation('%', lambda x,y: x*y/100.0)"></TD>
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</TR>
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<TR>
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<TD><INPUT NAME="Four" TYPE="Button" VALUE=" 4 " ></TD>
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<TD><INPUT NAME="Five" TYPE="Button" VALUE=" 5 " ></TD>
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<TD><INPUT NAME="Six" TYPE="Button" VALUE=" 6 " ></TD>
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<TD></TD>
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<TD ALIGN=MIDDLE><INPUT NAME="Plus" TYPE="Button" VALUE=" + " OnClick="Operation('+', lambda x,y: x+y)"></TD>
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<TD ALIGN=MIDDLE><INPUT NAME="Minus" TYPE="Button" VALUE=" - " OnClick="Operation('-', lambda x,y: x-y)"></TD>
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</TR>
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<TR>
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<TD><INPUT NAME="One" TYPE="Button" VALUE=" 1 " ></TD>
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<TD><INPUT NAME="Two" TYPE="Button" VALUE=" 2 " ></TD>
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<TD><INPUT NAME="Three" TYPE="Button" VALUE=" 3 " ></TD>
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<TD></TD>
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<TD ALIGN=MIDDLE><INPUT NAME="Multiply" TYPE="Button" VALUE=" * " OnClick="Operation('*', lambda x,y: x*y)" ></TD>
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<TD ALIGN=MIDDLE><INPUT NAME="Divide" TYPE="Button" VALUE=" / " OnClick="Operation('/', lambda x,y: x/y)" ></TD>
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</TR>
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<TR>
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<TD><INPUT NAME="Zero" TYPE="Button" VALUE=" 0 " ></TD>
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<TD><INPUT NAME="Decimal" TYPE="Button" VALUE=" . " ></TD>
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<TD COLSPAN=3></TD>
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<TD><INPUT NAME="Equals" TYPE="Button" VALUE=" = " OnClick="Operation('=', lambda x,y: x)"></TD>
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</TR></TABLE></TABLE></B>
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</FORM>
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</FONT></BODY></HTML>
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