wxPython/demo/wxHtmlWindow.py

   1 # 11/18/2003 - Jeff Grimmett (grimmtooth@softhome.net)
   2 #
   3 # o Updated for wx namespace
   4 #
   5
   6 import  os
   7 import  sys
   8
   9 import  wx
  10 import  wx.html         as  html
  11
  12 from Main import opj
  13
  14 ##wxTrap()
  15
  16 #----------------------------------------------------------------------
  17
  18 # This shows how to catch the OnLinkClicked non-event.  (It's a virtual
  19 # method in the C++ code...)
  20 class MyHtmlWindow(html.HtmlWindow):
  21     def __init__(self, parent, id, log):
  22         html.HtmlWindow.__init__(self, parent, id, style=wx.NO_FULL_REPAINT_ON_RESIZE)
  23         self.log = log
  24         self.Bind(wx.EVT_SCROLLWIN, self.OnScroll )
  25
  26     def OnScroll( self, event ):
  27         #print 'event.GetOrientation()',event.GetOrientation()
  28         #print 'event.GetPosition()',event.GetPosition()
  29         event.Skip()
  30
  31     def OnLinkClicked(self, linkinfo):
  32         self.log.WriteText('OnLinkClicked: %s\n' % linkinfo.GetHref())
  33
  34         # Virtuals in the base class have been renamed with base_ on the front.
  35         self.base_OnLinkClicked(linkinfo)
  36
  37
  38     def OnSetTitle(self, title):
  39         self.log.WriteText('OnSetTitle: %s\n' % title)
  40         self.base_OnSetTitle(title)
  41
  42     def OnCellMouseHover(self, cell, x, y):
  43         self.log.WriteText('OnCellMouseHover: %s, (%d %d)\n' % (cell, x, y))
  44         self.base_OnCellMouseHover(cell, x, y)
  45
  46     def OnCellClicked(self, cell, x, y, evt):
  47         self.log.WriteText('OnCellClicked: %s, (%d %d)\n' % (cell, x, y))
  48         self.base_OnCellClicked(cell, x, y, evt)
  49
  50
  51 # This filter doesn't really do anything but show how to use filters
  52 class MyHtmlFilter(html.HtmlFilter):
  53     def __init__(self, log):
  54         html.HtmlFilter.__init__(self)
  55         self.log = log
  56
  57     # This method decides if this filter is able to read the file
  58     def CanRead(self, fsfile):
  59         self.log.write("CanRead: %s\n" % fsfile.GetMimeType())
  60         return False
  61
  62     # If CanRead returns True then this method is called to actually
  63     # read the file and return the contents.
  64     def ReadFile(self, fsfile):
  65         return ""
  66
  67
  68 class TestHtmlPanel(wx.Panel):
  69     def __init__(self, parent, frame, log):
  70         wx.Panel.__init__(self, parent, -1, style=wx.NO_FULL_REPAINT_ON_RESIZE)
  71         self.log = log
  72         self.frame = frame
  73         self.cwd = os.path.split(sys.argv[0])[0]
  74
  75         if not self.cwd:
  76             self.cwd = os.getcwd()
  77         if frame:
  78             self.titleBase = frame.GetTitle()
  79
  80         html.HtmlWindow_AddFilter(MyHtmlFilter(log))
  81
  82         self.html = MyHtmlWindow(self, -1, log)
  83         self.html.SetRelatedFrame(frame, self.titleBase + " -- %s")
  84         self.html.SetRelatedStatusBar(0)
  85
  86         self.printer = html.HtmlEasyPrinting()
  87
  88         self.box = wx.BoxSizer(wx.VERTICAL)
  89         self.box.Add(self.html, 1, wx.GROW)
  90
  91         subbox = wx.BoxSizer(wx.HORIZONTAL)
  92
  93         btn = wx.Button(self, -1, "Load File")
  94         self.Bind(wx.EVT_BUTTON, self.OnLoadFile, btn)
  95         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
  96
  97         btn = wx.Button(self, -1, "Load URL")
  98         self.Bind(wx.EVT_BUTTON, self.OnLoadURL, btn)
  99         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 100
 101         btn = wx.Button(self, -1, "With Widgets")
 102         self.Bind(wx.EVT_BUTTON, self.OnWithWidgets, btn)
 103         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 104
 105         btn = wx.Button(self, -1, "Back")
 106         self.Bind(wx.EVT_BUTTON, self.OnBack, btn)
 107         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 108
 109         btn = wx.Button(self, -1, "Forward")
 110         self.Bind(wx.EVT_BUTTON, self.OnForward, btn)
 111         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 112
 113         btn = wx.Button(self, -1, "Print")
 114         self.Bind(wx.EVT_BUTTON, self.OnPrint, btn)
 115         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 116
 117         btn = wx.Button(self, -1, "View Source")
 118         self.Bind(wx.EVT_BUTTON, self.OnViewSource, btn)
 119         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 120
 121         self.box.Add(subbox, 0, wx.GROW)
 122         self.SetSizer(self.box)
 123         self.SetAutoLayout(True)
 124
 125         # A button with this ID is created on the widget test page.
 126         self.Bind(wx.EVT_BUTTON, self.OnOk, id=wx.ID_OK)
 127
 128         self.OnShowDefault(None)
 129
 130
 131     def ShutdownDemo(self):
 132         # put the frame title back
 133         if self.frame:
 134             self.frame.SetTitle(self.titleBase)
 135
 136
 137     def OnShowDefault(self, event):
 138         name = os.path.join(self.cwd, opj('data/test.htm'))
 139         self.html.LoadPage(name)
 140
 141
 142     def OnLoadFile(self, event):
 143         dlg = wx.FileDialog(self, wildcard = '*.htm*', style=wx.OPEN)
 144
 145         if dlg.ShowModal():
 146             path = dlg.GetPath()
 147             self.html.LoadPage(path)
 148
 149         dlg.Destroy()
 150
 151
 152     def OnLoadURL(self, event):
 153         dlg = wx.TextEntryDialog(self, "Enter a URL")
 154
 155         if dlg.ShowModal():
 156             url = dlg.GetValue()
 157             self.html.LoadPage(url)
 158
 159         dlg.Destroy()
 160
 161
 162     def OnWithWidgets(self, event):
 163         os.chdir(self.cwd)
 164         name = os.path.join(self.cwd, opj('data/widgetTest.htm'))
 165         self.html.LoadPage(name)
 166
 167
 168     def OnOk(self, event):
 169         self.log.WriteText("It works!\n")
 170
 171     def OnBack(self, event):
 172         if not self.html.HistoryBack():
 173             wx.MessageBox("No more items in history!")
 174
 175
 176     def OnForward(self, event):
 177         if not self.html.HistoryForward():
 178             wx.MessageBox("No more items in history!")
 179
 180
 181     def OnViewSource(self, event):
 182         import  wx.lib.dialogs  as  dlgs
 183
 184         source = self.html.GetParser().GetSource()
 185
 186         dlg = dlgs.wxScrolledMessageDialog(self, source, 'HTML Source')
 187         dlg.ShowModal()
 188         dlg.Destroy()
 189
 190
 191     def OnPrint(self, event):
 192         ##self.printer.GetPageSetupData().SetMarginTopLeft((100,100))
 193         self.printer.PrintFile(self.html.GetOpenedPage())
 194
 195 #----------------------------------------------------------------------
 196
 197 def runTest(frame, nb, log):
 198     win = TestHtmlPanel(nb, frame, log)
 199     print wx.Window_FindFocus()
 200     return win
 201
 202
 203 #----------------------------------------------------------------------
 204
 205
 206 overview = """<html><body>
 207 <h2>wxHtmlWindow</h2>
 208
 209 <p>wxHtmlWindow is capable of parsing and rendering most
 210 simple HTML tags.
 211
 212 <p>It is not intended to be a high-end HTML browser.  If you're
 213 looking for something like that see the IEHtmlWin class, which
 214 wraps the core MSIE HTML viewer.
 215
 216 </body></html>
 217 """
 218
 219
 220
 221 if __name__ == '__main__':
 222     import sys,os
 223     import run
 224     run.main(['', os.path.basename(sys.argv[0])])
 225
 226
 227
 228
 229
 230
 231
 232