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23 statements  

1#!/usr/bin/python 

2# -*- coding: utf-8 -*- 

3 

4""" 

5Python-nvd3 is a Python wrapper for NVD3 graph library. 

6NVD3 is an attempt to build re-usable charts and chart components 

7for d3.js without taking away the power that d3.js gives you. 

8 

9Project location : https://github.com/areski/python-nvd3 

10""" 

11 

12from .NVD3Chart import NVD3Chart, TemplateMixin 

13 

14 

15class lineWithFocusChart(TemplateMixin, NVD3Chart): 

16 """ 

17 A lineWithFocusChart or line graph is a type of chart which displays information 

18 as a series of data points connected by straight line segments. 

19 The lineWithFocusChart provide a smaller chart that act as a selector, 

20 this is very useful if you want to zoom on a specific time period. 

21 

22 Python example:: 

23 

24 from nvd3 import lineWithFocusChart 

25 chart = lineWithFocusChart(name='lineWithFocusChart', x_is_date=True, x_axis_format="%d %b %Y") 

26 xdata = [1365026400000, 1365026500000, 1365026600000, 1365026700000, 1365026800000, 1365026900000, 1365027000000] 

27 ydata = [-6, 5, -1, 2, 4, 8, 10] 

28 

29 extra_serie = {"tooltip": {"y_start": "", "y_end": " ext"}, 

30 "date_format": "%d %b %Y"} 

31 chart.add_serie(name="Serie 1", y=ydata, x=xdata, extra=extra_serie) 

32 chart.buildhtml() 

33 print(chart.content) 

34 

35 Javascript generated: 

36 

37 .. include:: ./examples/lineWithFocusChart.html 

38 

39 

40 """ 

41 

42 CHART_FILENAME = "./linewfocuschart.html" 

43 template_chart_nvd3 = NVD3Chart.template_environment.get_template(CHART_FILENAME) 

44 

45 def __init__(self, **kwargs): 

46 super(lineWithFocusChart, self).__init__(**kwargs) 

47 self.model = 'lineWithFocusChart' 

48 

49 height = kwargs.get('height', 450) 

50 width = kwargs.get('width', None) 

51 

52 if kwargs.get('x_is_date', False): 

53 self.set_date_flag(True) 

54 self.create_x_axis('xAxis', format=kwargs.get('x_axis_format', 

55 '%d %b %Y %H %S'), 

56 date=True) 

57 self.create_x_axis('x2Axis', format=kwargs.get('x_axis_format', 

58 '%d %b %Y %H %S'), 

59 date=True) 

60 self.set_custom_tooltip_flag(True) 

61 else: 

62 self.create_x_axis('xAxis', format=kwargs.get('x_axis_format', 

63 '.2f')) 

64 self.create_x_axis('x2Axis', format=kwargs.get('x_axis_format', 

65 '.2f')) 

66 

67 self.create_y_axis('yAxis', format=kwargs.get('y_axis_format', '.2f')) 

68 self.create_y_axis('y2Axis', format=kwargs.get('y_axis_format', '.2f')) 

69 

70 self.set_graph_height(height) 

71 if width: 

72 self.set_graph_width(width)