wxPython/demo/wxHtmlWindow.py

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