| 1 | # This program is free software; you can redistribute it and/or modify
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| 2 | # it under the terms of the GNU General Public License as published by
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| 3 | # the Free Software Foundation; version 2 of the License.
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| 4 | #
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| 5 | # This program is distributed in the hope that it will be useful,
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| 6 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 7 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 8 | # GNU General Public License for more details.
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| 9 | #
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| 10 | # Author: Emanuel Fonseca
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| 11 | # Email: emdfonseca<at>gmail<dot>com
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| 12 | # Date: 25 August 2008
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| 13 |
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| 14 | import cherrypy
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| 15 | from string import Template
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| 16 |
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| 17 | import datetime
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| 18 |
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| 19 | import ofc2
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| 20 | from ofc2_element import Line, Bar, BarStack
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| 21 |
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| 22 | xhtml_template = """
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| 23 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
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| 24 | "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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| 25 | <html xmlns="http://www.w3.org/1999/xhtml">
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| 26 | <script type="text/javascript" src="/static/swfobject.js"></script>
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| 27 | <script type="text/javascript">
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| 28 | $js
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| 29 | </script>
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| 30 | <head>
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| 31 |
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| 32 | <title>$title</title>
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| 33 |
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| 34 | </head>
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| 35 |
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| 36 | <body>
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| 37 | $body
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| 38 | </body>
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| 39 |
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| 40 | </html>
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| 41 | """
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| 42 |
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| 43 | jstpl = Template('swfobject.embedSWF("/static/open-flash-chart.swf","$title", "$width", "$height", "$flash_ver", "expressInstall.swf", {"data-file": "$data_src"});\n')
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| 44 | dvtpl = Template('<h1>$title</h1><div id="$title"></div><br/>\n')
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| 45 |
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| 46 | class Chart(object):
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| 47 | type = ''
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| 48 | title = 'chart'
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| 49 |
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| 50 | width=400
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| 51 | height=200
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| 52 | flash_ver='9.0.0'
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| 53 |
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| 54 | data_src = None
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| 55 |
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| 56 | chart = None
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| 57 |
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| 58 | def index(self):
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| 59 | return self.chart.encode()
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| 60 | index.exposed = True
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| 61 |
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| 62 | def __init__(self, type, name):
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| 63 | self.title = name
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| 64 | self.data_src='/'+name
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| 65 |
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| 66 | def get_js(self):
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| 67 | return jstpl.substitute(title=self.title, width=self.width, height=self.height, flash_ver = self.flash_ver, data_src = self.data_src)
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| 68 |
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| 69 | def get_div(self):
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| 70 | return dvtpl.substitute(title=self.title)
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| 71 |
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| 72 | class BarChart(Chart):
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| 73 | def __init__(self, type, name):
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| 74 | Chart.__init__(self, type, name)
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| 75 |
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| 76 | # create the bar element and set its values
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| 77 | element = Bar(values=[9,8,7,6,5,4,3,2,1])
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| 78 |
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| 79 | # create the chart and set its title
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| 80 | self.chart = ofc2.open_flash_chart(title=str(datetime.datetime.now()))
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| 81 | self.chart.add_element(element)
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| 82 |
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| 83 | class BarStackChart(Chart):
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| 84 | def __init__(self, type, name):
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| 85 | Chart.__init__(self, type, name)
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| 86 |
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| 87 | # create the bar element and set its values
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| 88 | element = BarStack(values=[ [ 2.5, 5 ], [ 7.5 ], [ 5, { 'val': 5, 'colour': '#ff0000' } ], [ 2, 2, 2, 2, { "val": 2, 'colour': '#ff00ff' } ] ])
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| 89 |
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| 90 | # create the chart and set its title
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| 91 | self.chart = ofc2.open_flash_chart(title=str(datetime.datetime.now()))
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| 92 | self.chart.set_y_axis(min=0, max=14, steps=7)
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| 93 | self.chart.set_x_axis(labels=['a', 'b', 'c', 'd'])
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| 94 | self.chart.add_element(element)
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| 95 |
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| 96 | class LineChart(Chart):
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| 97 | def __init__(self, type, name):
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| 98 | Chart.__init__(self, type, name)
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| 99 |
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| 100 | # create the bar element and set its values
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| 101 | element = Line(values=[9,8,7,6,5,4,3,2,1])
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| 102 |
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| 103 | # create the chart and set its title
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| 104 | self.chart = ofc2.open_flash_chart(title=str(datetime.datetime.now()))
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| 105 | self.chart.add_element(element)
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| 106 |
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| 107 | class OFC2Demo(object):
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| 108 | tpl = Template(xhtml_template)
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| 109 | swfobjs = ''
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| 110 | divs = ''
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| 111 |
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| 112 | linechart = LineChart('line_chart', 'linechart') # var name must be the same as the second param
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| 113 | barchart = BarChart('bar_chart', 'barchart') # var name must be the same as the second param
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| 114 | barstackchart = BarStackChart('bar_stack', 'barstackchart') # var name must be the same as the second param
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| 115 |
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| 116 | def index(self):
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| 117 | self.load_charts()
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| 118 | response = self.tpl.substitute(title='Open Flash Charts 2 - Python Library Demo', js=self.swfobjs, body=self.divs)
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| 119 | return response
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| 120 |
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| 121 | def load_charts(self):
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| 122 | self.swfobjs = ''
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| 123 | self.divs = ''
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| 124 | self.add_chart(self.linechart)
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| 125 | self.add_chart(self.barchart)
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| 126 | self.add_chart(self.barstackchart)
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| 127 |
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| 128 | def add_chart(self, chart):
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| 129 | self.swfobjs += chart.get_js()
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| 130 | self.divs += chart.get_div()
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| 131 |
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| 132 | # Expose methods
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| 133 | index.exposed = True
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| 134 |
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| 135 | cherrypy.quickstart(OFC2Demo(), '/', 'cherrypy.conf')
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| 136 |
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