# -*- coding: iso-8859-1 -*-
"""
    MoinMoin - BarChart Parser

    This parser is used to create bar charts based on CSS code from http://concepts.waetech.com/bargraph/.
    
    Syntax:
        {{{#!BarChart
           -title title
           -loadcss
           name=value
           ...
        }}}
        
        {{{#!BarChart
           name=value
           ...
        }}}

    Parameters:
        
        -title title: the title of the bar chart
        -loadcss: the css code needs to be loaded ones with the forst bar chart
        name=value: name is used as description. The value is used to set the length of the bar. The sum of all values
                    is 100%. 
    Procedure:                 
        Please remove the version number. 

    Examples:
       {{{#!BarChart
       -loadcss
       yellow=10
       blue=20
       black=50
       white = 90
       orange=10
       green=20
       }}}
       
       {{{#!BarChart
       -title Colors
       yellow=10
       blue=20
       black=50
       white = 90
       orange=10
       green=20
       }}}   

    @copyright:
        Reimar Bauer:
            2006-07-28 intitial version for MoinMoin 1.5.4-1
            2006-07-29 1.5.4-2 PEP 8 and      
                       parameter -title and -loadcss added
    
    @license: GNU GPL, see COPYING for details. 
    
    For the css part I have send a request to joshua@waetech.com
"""



def barcss():
    return """
    <!--
    code from
    http://concepts.waetech.com/bargraph/
    !-->

    <style type="text/css">
      .graph {
        background-color: #C8C8C8;
        border: solid 1px black;
      }

      .graph td {
        font-family: verdana, arial, sans serif;
      }

      .graph thead th {
        border-bottom: double 3px black;
        font-family: verdana, arial, sans serif;
        padding: 1em;
      }

      .graph tfoot td {
        border-top: solid 1px #999999;
        font-size: x-small;
        text-align: center;
        padding: 0.5em;
        color: #666666;
      }

      .bar {
        background-color: white;
        text-align: right;
        border-left: solid 1px black;
        padding-right: 0.5em;
        width: 700px;
      }

      .bar div {
        border-top: solid 2px #0077DD;
        background-color: #004080;
        border-bottom: solid 2px #002266;
        text-align: right;
        color: white;
        float: left;
        padding-top: 0;
        height: 1em;
      }
      body {
        background-color: white;
      }
    </style>"""

class Parser:

    def __init__(self, raw, request, **kw):
        self.raw = raw
        self.request = request

    def format(self, formatter):
        raw = self.raw
        raw = raw.split('\n')
        request = self.request

        title = ''

        html = """
        <table width='730' class='graph' cellspacing='6' cellpadding='0'>
        <thead>"""

        sum = 0
        n = 0
        for arg in raw:
            if '=' in arg:
                name, value = arg.split('=', 1)
                sum += float(value)
                n += 1
            elif arg.startswith('-loadcss'):
                request.write(barcss())
            elif arg.startswith('-title'):
                cmd, title = arg.split(' ', 1)
                html += "<tr><th colspan='3'>%(title)s</th></tr>" % {"title": title}

        html += "</thead><tbody>"

        for arg in raw:
            if '=' in arg:
                name, value = arg.split('=', 1)
                line = """
                <tr>
                <td width='100'>%(name)s</td><td width='700' class='bar'><div style='width: %(value)s'></div>%(value)s</td></tr>""" % {
                "name": name,
                "value": str(round((float(value)/sum) * 100, 1))+'%',
                }

                html += line

        html += "</tbody></table>"

        request.write(html)