| 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 = 1 |
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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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