utils/wxPython/demo/wxHtmlWindow.py

   1
   2 import sys, os
   3
   4 from   wxPython.wx         import *
   5 from   wxPython.html       import *
   6 import wxPython.lib.wxpTag
   7
   8 #----------------------------------------------------------------------
   9
  10 # This shows how to catch the OnLinkClicked non-event.  (It's a virtual
  11 # method in the C++ code...)
  12 class MyHtmlWindow(wxHtmlWindow):
  13     def __init__(self, parent, id, log):
  14         wxHtmlWindow.__init__(self, parent, id)
  15         self.log = log
  16
  17
  18     def OnLinkClicked(self, linkinfo):
  19         self.log.WriteText('OnLinkClicked: %s\n' % linkinfo.GetHref())
  20
  21         # Virtuals in the base class have been renamed with base_ on the font.
  22         self.base_OnLinkClicked(linkinfo)
  23
  24
  25     def OnSetTitle(self, title):
  26         self.log.WriteText('OnSetTitle: %s\n' % title)
  27         self.base_OnSetTitle(title)
  28
  29
  30
  31 class TestHtmlPanel(wxPanel):
  32     def __init__(self, parent, frame, log):
  33         wxPanel.__init__(self, parent, -1)
  34         self.log = log
  35         self.frame = frame
  36         self.cwd = os.path.split(sys.argv[0])[0]
  37         if not self.cwd:
  38             self.cwd = os.getcwd()
  39
  40
  41         self.html = MyHtmlWindow(self, -1, log)
  42         self.html.SetRelatedFrame(frame, "wxPython: (A Demonstration) -- %s")
  43         self.html.SetRelatedStatusBar(0)
  44
  45         self.printer = wxHtmlEasyPrinting()
  46
  47         self.box = wxBoxSizer(wxVERTICAL)
  48         self.box.Add(self.html, 1, wxGROW)
  49
  50         subbox = wxBoxSizer(wxHORIZONTAL)
  51         btn = wxButton(self, 1201, "Show Default")
  52         EVT_BUTTON(self, 1201, self.OnShowDefault)
  53         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  54
  55         btn = wxButton(self, 1202, "Load File")
  56         EVT_BUTTON(self, 1202, self.OnLoadFile)
  57         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  58
  59         btn = wxButton(self, 1203, "With Widgets")
  60         EVT_BUTTON(self, 1203, self.OnWithWidgets)
  61         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  62
  63         btn = wxButton(self, 1204, "Back")
  64         EVT_BUTTON(self, 1204, self.OnBack)
  65         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  66
  67         btn = wxButton(self, 1205, "Forward")
  68         EVT_BUTTON(self, 1205, self.OnForward)
  69         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  70
  71         btn = wxButton(self, 1207, "Print")
  72         EVT_BUTTON(self, 1207, self.OnPrint)
  73         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  74
  75         btn = wxButton(self, 1206, "View Source")
  76         EVT_BUTTON(self, 1206, self.OnViewSource)
  77         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  78
  79         self.box.Add(subbox, 0, wxGROW)
  80         self.SetSizer(self.box)
  81         self.SetAutoLayout(true)
  82
  83         # A button with this ID is created on the widget test page.
  84         EVT_BUTTON(self, wxID_OK, self.OnOk)
  85
  86         self.OnShowDefault(None)
  87
  88
  89
  90
  91     def OnShowDefault(self, event):
  92         name = os.path.join(self.cwd, 'data/test.htm')
  93         self.html.LoadPage(name)
  94
  95
  96     def OnLoadFile(self, event):
  97         dlg = wxFileDialog(self, wildcard = '*.htm*', style=wxOPEN)
  98         if dlg.ShowModal():
  99             path = dlg.GetPath()
 100             self.html.LoadPage(path)
 101         dlg.Destroy()
 102
 103
 104     def OnWithWidgets(self, event):
 105         os.chdir(self.cwd)
 106         name = os.path.join(self.cwd, 'data/widgetTest.htm')
 107         self.html.LoadPage(name)
 108
 109
 110     def OnOk(self, event):
 111         self.log.WriteText("It works!\n")
 112
 113     def OnBack(self, event):
 114         if not self.html.HistoryBack():
 115             wxMessageBox("No more items in history!")
 116
 117
 118     def OnForward(self, event):
 119         if not self.html.HistoryForward():
 120             wxMessageBox("No more items in history!")
 121
 122
 123     def OnViewSource(self, event):
 124         from wxPython.lib.dialogs import wxScrolledMessageDialog
 125         source = self.html.GetParser().GetSource()
 126         dlg = wxScrolledMessageDialog(self, source, 'HTML Source')
 127         dlg.ShowModal()
 128         dlg.Destroy()
 129
 130
 131     def OnPrint(self, event):
 132         self.printer.PrintFile(self.html.GetOpenedPage())
 133
 134 #----------------------------------------------------------------------
 135
 136 def runTest(frame, nb, log):
 137     win = TestHtmlPanel(nb, frame, log)
 138     return win
 139
 140
 141 #----------------------------------------------------------------------
 142
 143
 144
 145
 146
 147 overview = """\
 148 wxHtmlWindow is capable of parsing and rendering most simple HTML tags.
 149
 150 It is not intended to be a high-end HTML browser.  If you're looking for something like that try http://www.mozilla.org - there's a chance you'll be able to make their widget wxWindows-compatible. I'm sure everyone will enjoy your work in that case...
 151
 152 """
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