wxPython/demo/HtmlWindow.py

   1
   2 import  os
   3 import  sys
   4
   5 import  wx
   6 import  wx.html as  html
   7 import  wx.lib.wxpTag
   8
   9 from Main import opj
  10
  11 #----------------------------------------------------------------------
  12
  13 # This shows how to catch the OnLinkClicked non-event.  (It's a virtual
  14 # method in the C++ code...)
  15 class MyHtmlWindow(html.HtmlWindow):
  16     def __init__(self, parent, id, log):
  17         html.HtmlWindow.__init__(self, parent, id, style=wx.NO_FULL_REPAINT_ON_RESIZE)
  18         self.log = log
  19         self.Bind(wx.EVT_SCROLLWIN, self.OnScroll )
  20
  21     def OnScroll( self, event ):
  22         #print 'event.GetOrientation()',event.GetOrientation()
  23         #print 'event.GetPosition()',event.GetPosition()
  24         event.Skip()
  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(html.HtmlFilter):
  48     def __init__(self, log):
  49         html.HtmlFilter.__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(wx.Panel):
  64     def __init__(self, parent, frame, log):
  65         wx.Panel.__init__(self, parent, -1, style=wx.NO_FULL_REPAINT_ON_RESIZE)
  66         self.log = log
  67         self.frame = frame
  68         self.cwd = os.path.split(sys.argv[0])[0]
  69
  70         if not self.cwd:
  71             self.cwd = os.getcwd()
  72         if frame:
  73             self.titleBase = frame.GetTitle()
  74
  75         html.HtmlWindow_AddFilter(MyHtmlFilter(log))
  76
  77         self.html = MyHtmlWindow(self, -1, log)
  78         self.html.SetRelatedFrame(frame, self.titleBase + " -- %s")
  79         self.html.SetRelatedStatusBar(0)
  80
  81         self.printer = html.HtmlEasyPrinting()
  82
  83         self.box = wx.BoxSizer(wx.VERTICAL)
  84         self.box.Add(self.html, 1, wx.GROW)
  85
  86         subbox = wx.BoxSizer(wx.HORIZONTAL)
  87
  88         btn = wx.Button(self, -1, "Load File")
  89         self.Bind(wx.EVT_BUTTON, self.OnLoadFile, btn)
  90         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
  91
  92         btn = wx.Button(self, -1, "Load URL")
  93         self.Bind(wx.EVT_BUTTON, self.OnLoadURL, btn)
  94         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
  95
  96         btn = wx.Button(self, -1, "With Widgets")
  97         self.Bind(wx.EVT_BUTTON, self.OnWithWidgets, btn)
  98         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
  99
 100         btn = wx.Button(self, -1, "Back")
 101         self.Bind(wx.EVT_BUTTON, self.OnBack, btn)
 102         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 103
 104         btn = wx.Button(self, -1, "Forward")
 105         self.Bind(wx.EVT_BUTTON, self.OnForward, btn)
 106         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 107
 108         btn = wx.Button(self, -1, "Print")
 109         self.Bind(wx.EVT_BUTTON, self.OnPrint, btn)
 110         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 111
 112         btn = wx.Button(self, -1, "View Source")
 113         self.Bind(wx.EVT_BUTTON, self.OnViewSource, btn)
 114         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 115
 116         self.box.Add(subbox, 0, wx.GROW)
 117         self.SetSizer(self.box)
 118         self.SetAutoLayout(True)
 119
 120         # A button with this ID is created on the widget test page.
 121         self.Bind(wx.EVT_BUTTON, self.OnOk, id=wx.ID_OK)
 122
 123         self.OnShowDefault(None)
 124
 125
 126     def ShutdownDemo(self):
 127         # put the frame title back
 128         if self.frame:
 129             self.frame.SetTitle(self.titleBase)
 130
 131
 132     def OnShowDefault(self, event):
 133         name = os.path.join(self.cwd, opj('data/test.htm'))
 134         self.html.LoadPage(name)
 135
 136
 137     def OnLoadFile(self, event):
 138         dlg = wx.FileDialog(self, wildcard = '*.htm*', style=wx.OPEN)
 139
 140         if dlg.ShowModal():
 141             path = dlg.GetPath()
 142             self.html.LoadPage(path)
 143
 144         dlg.Destroy()
 145
 146
 147     def OnLoadURL(self, event):
 148         dlg = wx.TextEntryDialog(self, "Enter a URL")
 149
 150         if dlg.ShowModal():
 151             url = dlg.GetValue()
 152             self.html.LoadPage(url)
 153
 154         dlg.Destroy()
 155
 156
 157     def OnWithWidgets(self, event):
 158         os.chdir(self.cwd)
 159         name = os.path.join(self.cwd, opj('data/widgetTest.htm'))
 160         self.html.LoadPage(name)
 161
 162
 163     def OnOk(self, event):
 164         self.log.WriteText("It works!\n")
 165
 166     def OnBack(self, event):
 167         if not self.html.HistoryBack():
 168             wx.MessageBox("No more items in history!")
 169
 170
 171     def OnForward(self, event):
 172         if not self.html.HistoryForward():
 173             wx.MessageBox("No more items in history!")
 174
 175
 176     def OnViewSource(self, event):
 177         import  wx.lib.dialogs
 178
 179         source = self.html.GetParser().GetSource()
 180
 181         dlg = wx.lib.dialogs.ScrolledMessageDialog(self, source, 'HTML Source')
 182         dlg.ShowModal()
 183         dlg.Destroy()
 184
 185
 186     def OnPrint(self, event):
 187         self.printer.GetPrintData().SetPaperId(wx.PAPER_LETTER)
 188         self.printer.PrintFile(self.html.GetOpenedPage())
 189
 190 #----------------------------------------------------------------------
 191
 192 def runTest(frame, nb, log):
 193     win = TestHtmlPanel(nb, frame, log)
 194     print wx.Window_FindFocus()
 195     return win
 196
 197
 198 #----------------------------------------------------------------------
 199
 200
 201 overview = """<html><body>
 202 <h2>wx.HtmlWindow</h2>
 203
 204 <p>wx.HtmlWindow is capable of parsing and rendering most
 205 simple HTML tags.
 206
 207 <p>It is not intended to be a high-end HTML browser.  If you're
 208 looking for something like that see the IEHtmlWin class, which
 209 wraps the core MSIE HTML viewer.
 210
 211 </body></html>
 212 """
 213
 214
 215
 216 if __name__ == '__main__':
 217     import sys,os
 218     import run
 219     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
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