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 from Main import opj
   9
  10 #----------------------------------------------------------------------
  11
  12 # This shows how to catch the OnLinkClicked non-event.  (It's a virtual
  13 # method in the C++ code...)
  14 class MyHtmlWindow(wxHtmlWindow):
  15     def __init__(self, parent, id, log):
  16         wxHtmlWindow.__init__(self, parent, id, style=wxNO_FULL_REPAINT_ON_RESIZE)
  17         self.log = log
  18         EVT_SCROLLWIN( self, self.OnScroll )
  19
  20     def OnScroll( self, event ):
  21         #print 'event.GetOrientation()',event.GetOrientation()
  22         #print 'event.GetPosition()',event.GetPosition()
  23         event.Skip()
  24
  25
  26     def OnLinkClicked(self, linkinfo):
  27         self.log.WriteText('OnLinkClicked: %s\n' % linkinfo.GetHref())
  28
  29         # Virtuals in the base class have been renamed with base_ on the front.
  30         self.base_OnLinkClicked(linkinfo)
  31
  32
  33     def OnSetTitle(self, title):
  34         self.log.WriteText('OnSetTitle: %s\n' % title)
  35         self.base_OnSetTitle(title)
  36
  37     def OnCellMouseHover(self, cell, x, y):
  38         self.log.WriteText('OnCellMouseHover: %s, (%d %d)\n' % (cell, x, y))
  39         self.base_OnCellMouseHover(cell, x, y)
  40
  41     def OnCellClicked(self, cell, x, y, evt):
  42         self.log.WriteText('OnCellClicked: %s, (%d %d)\n' % (cell, x, y))
  43         self.base_OnCellClicked(cell, x, y, evt)
  44
  45
  46 # This filter doesn't really do anything but show how to use filters
  47 class MyHtmlFilter(wxHtmlFilter):
  48     def __init__(self, log):
  49         wxHtmlFilter.__init__(self)
  50         self.log = log
  51
  52     # This method decides if this filter is able to read the file
  53     def CanRead(self, fsfile):
  54         self.log.write("CanRead: %s\n" % fsfile.GetMimeType())
  55         return False
  56
  57     # If CanRead returns True then this method is called to actually
  58     # read the file and return the contents.
  59     def ReadFile(self, fsfile):
  60         return ""
  61
  62
  63 class TestHtmlPanel(wxPanel):
  64     def __init__(self, parent, frame, log):
  65         wxPanel.__init__(self, parent, -1, style=wxNO_FULL_REPAINT_ON_RESIZE)
  66         self.log = log
  67         self.frame = frame
  68         self.cwd = os.path.split(sys.argv[0])[0]
  69         if not self.cwd:
  70             self.cwd = os.getcwd()
  71         if frame:
  72             self.titleBase = frame.GetTitle()
  73
  74         wxHtmlWindow_AddFilter(MyHtmlFilter(log))
  75
  76         self.html = MyHtmlWindow(self, -1, log)
  77         self.html.SetRelatedFrame(frame, self.titleBase + " -- %s")
  78         self.html.SetRelatedStatusBar(0)
  79
  80         self.printer = wxHtmlEasyPrinting()
  81
  82         self.box = wxBoxSizer(wxVERTICAL)
  83         self.box.Add(self.html, 1, wxGROW)
  84
  85         subbox = wxBoxSizer(wxHORIZONTAL)
  86
  87         btn = wxButton(self, -1, "Load File")
  88         EVT_BUTTON(self, btn.GetId(), self.OnLoadFile)
  89         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  90
  91         btn = wxButton(self, -1, "Load URL")
  92         EVT_BUTTON(self, btn.GetId(), self.OnLoadURL)
  93         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  94
  95         btn = wxButton(self, -1, "With Widgets")
  96         EVT_BUTTON(self, btn.GetId(), self.OnWithWidgets)
  97         subbox.Add(btn, 1, wxGROW | wxALL, 2)
  98
  99         btn = wxButton(self, -1, "Back")
 100         EVT_BUTTON(self, btn.GetId(), self.OnBack)
 101         subbox.Add(btn, 1, wxGROW | wxALL, 2)
 102
 103         btn = wxButton(self, -1, "Forward")
 104         EVT_BUTTON(self, btn.GetId(), self.OnForward)
 105         subbox.Add(btn, 1, wxGROW | wxALL, 2)
 106
 107         btn = wxButton(self, -1, "Print")
 108         EVT_BUTTON(self, btn.GetId(), self.OnPrint)
 109         subbox.Add(btn, 1, wxGROW | wxALL, 2)
 110
 111         btn = wxButton(self, -1, "View Source")
 112         EVT_BUTTON(self, btn.GetId(), self.OnViewSource)
 113         subbox.Add(btn, 1, wxGROW | wxALL, 2)
 114
 115         self.box.Add(subbox, 0, wxGROW)
 116         self.SetSizer(self.box)
 117         self.SetAutoLayout(True)
 118
 119         # A button with this ID is created on the widget test page.
 120         EVT_BUTTON(self, wxID_OK, self.OnOk)
 121
 122         self.OnShowDefault(None)
 123
 124
 125     def ShutdownDemo(self):
 126         # put the frame title back
 127         if self.frame:
 128             self.frame.SetTitle(self.titleBase)
 129
 130
 131     def OnShowDefault(self, event):
 132         name = os.path.join(self.cwd, opj('data/test.htm'))
 133         self.html.LoadPage(name)
 134
 135
 136     def OnLoadFile(self, event):
 137         dlg = wxFileDialog(self, wildcard = '*.htm*', style=wxOPEN)
 138         if dlg.ShowModal():
 139             path = dlg.GetPath()
 140             self.html.LoadPage(path)
 141         dlg.Destroy()
 142
 143
 144     def OnLoadURL(self, event):
 145         dlg = wxTextEntryDialog(self, "Enter a URL")
 146         if dlg.ShowModal():
 147             url = dlg.GetValue()
 148             self.html.LoadPage(url)
 149         dlg.Destroy()
 150
 151
 152     def OnWithWidgets(self, event):
 153         os.chdir(self.cwd)
 154         name = os.path.join(self.cwd, opj('data/widgetTest.htm'))
 155         self.html.LoadPage(name)
 156
 157
 158     def OnOk(self, event):
 159         self.log.WriteText("It works!\n")
 160
 161     def OnBack(self, event):
 162         if not self.html.HistoryBack():
 163             wxMessageBox("No more items in history!")
 164
 165
 166     def OnForward(self, event):
 167         if not self.html.HistoryForward():
 168             wxMessageBox("No more items in history!")
 169
 170
 171     def OnViewSource(self, event):
 172         from wxPython.lib.dialogs import wxScrolledMessageDialog
 173         source = self.html.GetParser().GetSource()
 174         dlg = wxScrolledMessageDialog(self, source, 'HTML Source')
 175         dlg.ShowModal()
 176         dlg.Destroy()
 177
 178
 179     def OnPrint(self, event):
 180         ##self.printer.GetPageSetupData().SetMarginTopLeft((100,100))
 181         self.printer.PrintFile(self.html.GetOpenedPage())
 182
 183 #----------------------------------------------------------------------
 184
 185 def runTest(frame, nb, log):
 186     win = TestHtmlPanel(nb, frame, log)
 187     print wxWindow_FindFocus()
 188     return win
 189
 190
 191 #----------------------------------------------------------------------
 192
 193
 194
 195
 196
 197 overview = """<html><body>
 198 <h2>wxHtmlWindow</h2>
 199
 200 <p>wxHtmlWindow is capable of parsing and rendering most
 201 simple HTML tags.
 202
 203 <p>It is not intended to be a high-end HTML browser.  If you're
 204 looking for something like that try http://www.mozilla.org - there's a
 205 chance you'll be able to make their widget wxWindows-compatible. I'm
 206 sure everyone will enjoy your work in that case...
 207
 208 </body></html>
 209 """
 210
 211
 212
 213 if __name__ == '__main__':
 214     import sys,os
 215     import run
 216     run.main(['', os.path.basename(sys.argv[0])])
 217
 218
 219
 220
 221
 222
 223
 224