1 | """ |
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2 | Base class for reports. Child classes will need to implement |
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3 | the onSave() method. |
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4 | """ |
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5 | import wx |
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6 | import logging |
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7 | import sys |
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8 | import wx.html as html |
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9 | |
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10 | logger = logging.getLogger(__name__) |
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11 | |
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12 | ISPDF = False |
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13 | if sys.platform == "win32": |
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14 | _STATICBOX_WIDTH = 450 |
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15 | PANEL_WIDTH = 500 |
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16 | PANEL_HEIGHT = 700 |
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17 | FONT_VARIANT = 0 |
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18 | ISPDF = True |
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19 | # For OSX and everything else |
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20 | else: |
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21 | _STATICBOX_WIDTH = 480 |
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22 | PANEL_WIDTH = 530 |
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23 | PANEL_HEIGHT = 700 |
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24 | FONT_VARIANT = 0 |
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25 | ISPDF = True |
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26 | |
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27 | class BaseReportDialog(wx.Dialog): |
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28 | |
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29 | def __init__(self, report_list, *args, **kwds): |
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30 | """ |
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31 | Initialization. The parameters added to Dialog are: |
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32 | |
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33 | :param report_list: list of html_str, text_str, image for report |
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34 | """ |
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35 | kwds["style"] = wx.RESIZE_BORDER|wx.DEFAULT_DIALOG_STYLE |
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36 | super(BaseReportDialog, self).__init__(*args, **kwds) |
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37 | kwds["image"] = 'Dynamic Image' |
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38 | |
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39 | # title |
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40 | self.SetTitle("Report") |
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41 | # size |
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42 | self.SetSize((720, 650)) |
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43 | # font size |
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44 | self.SetWindowVariant(variant=FONT_VARIANT) |
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45 | # check if tit is MAC |
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46 | self.is_pdf = ISPDF |
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47 | # report string |
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48 | self.report_list = report_list |
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49 | # wild card |
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50 | if self.is_pdf: # pdf writer is available |
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51 | self.wild_card = 'PDF files (*.pdf)|*.pdf|' |
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52 | self.index_offset = 0 |
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53 | else: |
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54 | self.wild_card = '' |
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55 | self.index_offset = 1 |
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56 | self.wild_card += 'HTML files (*.html)|*.html|' |
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57 | self.wild_card += 'Text files (*.txt)|*.txt' |
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58 | |
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59 | def _setup_layout(self): |
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60 | """ |
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61 | Set up layout |
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62 | """ |
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63 | hbox = wx.BoxSizer(wx.HORIZONTAL) |
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64 | |
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65 | # buttons |
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66 | button_close = wx.Button(self, wx.ID_OK, "Close") |
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67 | button_close.SetToolTipString("Close this report window.") |
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68 | hbox.Add(button_close) |
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69 | button_close.SetFocus() |
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70 | |
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71 | button_print = wx.Button(self, wx.NewId(), "Print") |
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72 | button_print.SetToolTipString("Print this report.") |
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73 | button_print.Bind(wx.EVT_BUTTON, self.onPrint, |
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74 | id=button_print.GetId()) |
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75 | hbox.Add(button_print) |
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76 | |
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77 | button_save = wx.Button(self, wx.NewId(), "Save") |
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78 | button_save.SetToolTipString("Save this report.") |
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79 | button_save.Bind(wx.EVT_BUTTON, self.onSave, id=button_save.GetId()) |
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80 | hbox.Add(button_save) |
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81 | |
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82 | # panel for report page |
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83 | vbox = wx.BoxSizer(wx.VERTICAL) |
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84 | # html window |
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85 | self.hwindow = html.HtmlWindow(self, style=wx.BORDER) |
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86 | # set the html page with the report string |
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87 | self.hwindow.SetPage(self.report_html) |
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88 | |
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89 | # add panels to boxsizers |
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90 | vbox.Add(hbox) |
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91 | vbox.Add(self.hwindow, 1, wx.EXPAND|wx.ALL,0) |
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92 | |
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93 | self.SetSizer(vbox) |
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94 | self.Centre() |
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95 | self.Show(True) |
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96 | |
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97 | def onPreview(self, event=None): |
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98 | """ |
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99 | Preview |
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100 | : event: Preview button event |
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101 | """ |
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102 | previewh = html.HtmlEasyPrinting(name="Printing", parentWindow=self) |
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103 | previewh.PreviewText(self.report_html) |
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104 | |
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105 | def onPrint(self, event=None): |
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106 | """ |
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107 | Print |
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108 | : event: Print button event |
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109 | """ |
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110 | printh = html.HtmlEasyPrinting(name="Printing", parentWindow=self) |
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111 | printh.PrintText(self.report_html) |
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112 | |
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113 | def OnClose(self, event=None): |
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114 | """ |
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115 | Close the Dialog |
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116 | : event: Close button event |
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117 | """ |
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118 | self.Close() |
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119 | |
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120 | def HTML2PDF(self, data, filename): |
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121 | """ |
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122 | Create a PDF file from html source string. |
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123 | Returns True is the file creation was successful. |
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124 | : data: html string |
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125 | : filename: name of file to be saved |
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126 | """ |
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127 | try: |
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128 | from xhtml2pdf import pisa |
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129 | # open output file for writing (truncated binary) |
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130 | resultFile = open(filename, "w+b") |
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131 | # convert HTML to PDF |
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132 | pisaStatus = pisa.CreatePDF(data, dest=resultFile) |
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133 | # close output file |
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134 | resultFile.close() |
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135 | self.Update() |
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136 | return pisaStatus.err |
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137 | except Exception: |
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138 | logger.error("Error creating pdf: %s" % sys.exc_value) |
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139 | return False |
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