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