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 front.
  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     def __del__(self):
  30         print 'MyHtmlWindow.__del__'
  31
  32
  33 class TestHtmlPanel(wxPanel):
  34     def __init__(self, parent, frame, log):
  35         wxPanel.__init__(self, parent, -1)
  36         self.log = log
  37         self.frame = frame
  38         self.cwd = os.path.split(sys.argv[0])[0]
  39         if not self.cwd:
  40             self.cwd = os.getcwd()
  41
  42         self.html = MyHtmlWindow(self, -1, log)
  43         self.html.SetRelatedFrame(frame, "wxPython: (A Demonstration) -- %s")
  44         self.html.SetRelatedStatusBar(0)
  45
  46         self.printer = wxHtmlEasyPrinting()
  47
  48         self.box = wxBoxSizer(wxVERTICAL)
  49         self.box.Add(self.html, 1, wxGROW)
  50
  51         subbox = wxBoxSizer(wxHORIZONTAL)
  52         btn = wxButton(self, 1201, "Show Default")
  53         EVT_BUTTON(self, 1201, self.OnShowDefault)
  54         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  55
  56         btn = wxButton(self, 1202, "Load File")
  57         EVT_BUTTON(self, 1202, self.OnLoadFile)
  58         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  59
  60         btn = wxButton(self, 1203, "With Widgets")
  61         EVT_BUTTON(self, 1203, self.OnWithWidgets)
  62         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  63
  64         btn = wxButton(self, 1204, "Back")
  65         EVT_BUTTON(self, 1204, self.OnBack)
  66         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  67
  68         btn = wxButton(self, 1205, "Forward")
  69         EVT_BUTTON(self, 1205, self.OnForward)
  70         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  71
  72         btn = wxButton(self, 1207, "Print")
  73         EVT_BUTTON(self, 1207, self.OnPrint)
  74         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  75
  76         btn = wxButton(self, 1206, "View Source")
  77         EVT_BUTTON(self, 1206, self.OnViewSource)
  78         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  79
  80         self.box.Add(subbox, 0, wxGROW)
  81         self.SetSizer(self.box)
  82         self.SetAutoLayout(true)
  83
  84         # A button with this ID is created on the widget test page.
  85         EVT_BUTTON(self, wxID_OK, self.OnOk)
  86
  87         self.OnShowDefault(None)
  88
  89
  90     def __del__(self):
  91         print 'TestHtmlPanel.__del__'
  92
  93
  94
  95     def OnShowDefault(self, event):
  96         name = os.path.join(self.cwd, 'data/test.htm')
  97         self.html.LoadPage(name)
  98
  99
 100     def OnLoadFile(self, event):
 101         dlg = wxFileDialog(self, wildcard = '*.htm*', style=wxOPEN)
 102         if dlg.ShowModal():
 103             path = dlg.GetPath()
 104             self.html.LoadPage(path)
 105         dlg.Destroy()
 106
 107
 108     def OnWithWidgets(self, event):
 109         os.chdir(self.cwd)
 110         name = os.path.join(self.cwd, 'data/widgetTest.htm')
 111         self.html.LoadPage(name)
 112
 113
 114     def OnOk(self, event):
 115         self.log.WriteText("It works!\n")
 116
 117     def OnBack(self, event):
 118         if not self.html.HistoryBack():
 119             wxMessageBox("No more items in history!")
 120
 121
 122     def OnForward(self, event):
 123         if not self.html.HistoryForward():
 124             wxMessageBox("No more items in history!")
 125
 126
 127     def OnViewSource(self, event):
 128         from wxPython.lib.dialogs import wxScrolledMessageDialog
 129         source = self.html.GetParser().GetSource()
 130         dlg = wxScrolledMessageDialog(self, source, 'HTML Source')
 131         dlg.ShowModal()
 132         dlg.Destroy()
 133
 134
 135     def OnPrint(self, event):
 136         self.printer.PrintFile(self.html.GetOpenedPage())
 137
 138 #----------------------------------------------------------------------
 139
 140 def runTest(frame, nb, log):
 141     win = TestHtmlPanel(nb, frame, log)
 142     return win
 143
 144
 145 #----------------------------------------------------------------------
 146
 147
 148
 149
 150
 151 overview = """\
 152 wxHtmlWindow is capable of parsing and rendering most simple HTML tags.
 153
 154 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...
 155
 156 """
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