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         if "gtk2" in wx.PlatformInfo:
  21             self.NormalizeFontSizes()
  22
  23     def OnScroll( self, event ):
  24         #print 'event.GetOrientation()',event.GetOrientation()
  25         #print 'event.GetPosition()',event.GetPosition()
  26         event.Skip()
  27
  28     def OnLinkClicked(self, linkinfo):
  29         self.log.WriteText('OnLinkClicked: %s\n' % linkinfo.GetHref())
  30
  31         # Virtuals in the base class have been renamed with base_ on the front.
  32         self.base_OnLinkClicked(linkinfo)
  33
  34
  35     def OnSetTitle(self, title):
  36         self.log.WriteText('OnSetTitle: %s\n' % title)
  37         self.base_OnSetTitle(title)
  38
  39     def OnCellMouseHover(self, cell, x, y):
  40         self.log.WriteText('OnCellMouseHover: %s, (%d %d)\n' % (cell, x, y))
  41         self.base_OnCellMouseHover(cell, x, y)
  42
  43     def OnCellClicked(self, cell, x, y, evt):
  44         self.log.WriteText('OnCellClicked: %s, (%d %d)\n' % (cell, x, y))
  45         self.base_OnCellClicked(cell, x, y, evt)
  46
  47
  48 # This filter doesn't really do anything but show how to use filters
  49 class MyHtmlFilter(html.HtmlFilter):
  50     def __init__(self, log):
  51         html.HtmlFilter.__init__(self)
  52         self.log = log
  53
  54     # This method decides if this filter is able to read the file
  55     def CanRead(self, fsfile):
  56         self.log.write("CanRead: %s\n" % fsfile.GetMimeType())
  57         return False
  58
  59     # If CanRead returns True then this method is called to actually
  60     # read the file and return the contents.
  61     def ReadFile(self, fsfile):
  62         return ""
  63
  64
  65 class TestHtmlPanel(wx.Panel):
  66     def __init__(self, parent, frame, log):
  67         wx.Panel.__init__(self, parent, -1, style=wx.NO_FULL_REPAINT_ON_RESIZE)
  68         self.log = log
  69         self.frame = frame
  70         self.cwd = os.path.split(sys.argv[0])[0]
  71
  72         if not self.cwd:
  73             self.cwd = os.getcwd()
  74         if frame:
  75             self.titleBase = frame.GetTitle()
  76
  77         html.HtmlWindow_AddFilter(MyHtmlFilter(log))
  78
  79         self.html = MyHtmlWindow(self, -1, log)
  80         self.html.SetRelatedFrame(frame, self.titleBase + " -- %s")
  81         self.html.SetRelatedStatusBar(0)
  82
  83         self.printer = html.HtmlEasyPrinting()
  84
  85         self.box = wx.BoxSizer(wx.VERTICAL)
  86         self.box.Add(self.html, 1, wx.GROW)
  87
  88         subbox = wx.BoxSizer(wx.HORIZONTAL)
  89
  90         btn = wx.Button(self, -1, "Load File")
  91         self.Bind(wx.EVT_BUTTON, self.OnLoadFile, btn)
  92         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
  93
  94         btn = wx.Button(self, -1, "Load URL")
  95         self.Bind(wx.EVT_BUTTON, self.OnLoadURL, btn)
  96         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
  97
  98         btn = wx.Button(self, -1, "With Widgets")
  99         self.Bind(wx.EVT_BUTTON, self.OnWithWidgets, btn)
 100         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 101
 102         btn = wx.Button(self, -1, "Back")
 103         self.Bind(wx.EVT_BUTTON, self.OnBack, btn)
 104         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 105
 106         btn = wx.Button(self, -1, "Forward")
 107         self.Bind(wx.EVT_BUTTON, self.OnForward, btn)
 108         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 109
 110         btn = wx.Button(self, -1, "Print")
 111         self.Bind(wx.EVT_BUTTON, self.OnPrint, btn)
 112         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 113
 114         btn = wx.Button(self, -1, "View Source")
 115         self.Bind(wx.EVT_BUTTON, self.OnViewSource, btn)
 116         subbox.Add(btn, 1, wx.GROW | wx.ALL, 2)
 117
 118         self.box.Add(subbox, 0, wx.GROW)
 119         self.SetSizer(self.box)
 120         self.SetAutoLayout(True)
 121
 122         # A button with this ID is created on the widget test page.
 123         self.Bind(wx.EVT_BUTTON, self.OnOk, id=wx.ID_OK)
 124
 125         self.OnShowDefault(None)
 126
 127
 128     def ShutdownDemo(self):
 129         # put the frame title back
 130         if self.frame:
 131             self.frame.SetTitle(self.titleBase)
 132
 133
 134     def OnShowDefault(self, event):
 135         name = os.path.join(self.cwd, opj('data/test.htm'))
 136         self.html.LoadPage(name)
 137
 138
 139     def OnLoadFile(self, event):
 140         dlg = wx.FileDialog(self, wildcard = '*.htm*', style=wx.OPEN)
 141
 142         if dlg.ShowModal():
 143             path = dlg.GetPath()
 144             self.html.LoadPage(path)
 145
 146         dlg.Destroy()
 147
 148
 149     def OnLoadURL(self, event):
 150         dlg = wx.TextEntryDialog(self, "Enter a URL")
 151
 152         if dlg.ShowModal():
 153             url = dlg.GetValue()
 154             self.html.LoadPage(url)
 155
 156         dlg.Destroy()
 157
 158
 159     def OnWithWidgets(self, event):
 160         os.chdir(self.cwd)
 161         name = os.path.join(self.cwd, opj('data/widgetTest.htm'))
 162         self.html.LoadPage(name)
 163
 164
 165     def OnOk(self, event):
 166         self.log.WriteText("It works!\n")
 167
 168     def OnBack(self, event):
 169         if not self.html.HistoryBack():
 170             wx.MessageBox("No more items in history!")
 171
 172
 173     def OnForward(self, event):
 174         if not self.html.HistoryForward():
 175             wx.MessageBox("No more items in history!")
 176
 177
 178     def OnViewSource(self, event):
 179         import  wx.lib.dialogs
 180
 181         source = self.html.GetParser().GetSource()
 182
 183         dlg = wx.lib.dialogs.ScrolledMessageDialog(self, source, 'HTML Source')
 184         dlg.ShowModal()
 185         dlg.Destroy()
 186
 187
 188     def OnPrint(self, event):
 189         self.printer.GetPrintData().SetPaperId(wx.PAPER_LETTER)
 190         self.printer.PrintFile(self.html.GetOpenedPage())
 191
 192 #----------------------------------------------------------------------
 193
 194 def runTest(frame, nb, log):
 195     win = TestHtmlPanel(nb, frame, log)
 196     return win
 197
 198
 199 #----------------------------------------------------------------------
 200
 201
 202 overview = """<html><body>
 203 <h2>wx.HtmlWindow</h2>
 204
 205 <p>wx.HtmlWindow is capable of parsing and rendering most
 206 simple HTML tags.
 207
 208 <p>It is not intended to be a high-end HTML browser.  If you're
 209 looking for something like that see the IEHtmlWin class, which
 210 wraps the core MSIE HTML viewer.
 211
 212 </body></html>
 213 """
 214
 215
 216
 217 if __name__ == '__main__':
 218     import sys,os
 219     import run
 220     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
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