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