drHtmlBrowser.py :  » Editor » DrPython » drpython_3.11.1 » Python Open Source

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Python Open Source » Editor » DrPython 
DrPython » drpython_3.11.1 » drHtmlBrowser.py
# drHtmlBrowser.py
# Programmer: Eur Ing Christopher Thoday.
# Copyright: assigned to the DrPython project

import wx, os
import wx.html
"""This module provides a browser for displaying HTML files composed in
   the DrPython text editor.  Links are displayed within separate pages
   within the browser. The tab name for the page is the HTML title if given,
   else it is the file name."""

note = None
history = {}

def _AddPage(href):
    if href[0:5] != "http:":
        if not os.path.exists(href):
            href = os.path.normpath(os.path.join(dir, href))
            if not os.path.exists(href):
                wx.MessageBox("File does not exist: " + href, "DrPython HTML Browser")
                return
    if href in history:
        note.SetSelection(history[href])
        return
    np = note.GetPageCount()
    history[href] = np
    page = HtmlPage(note, -1)
    note.AddPage(page, "", True)
    page.LoadPage(href)
    title = page.GetOpenedPageTitle()
    (fname, ext) = os.path.splitext(title)
    if ext[0:4] == ".htm" or ext[0:5] == ".html":
        title = fname.title()
    note.SetPageText(np, title)
    
class HtmlPage(wx.html.HtmlWindow):
    def __init__(self, parent, id):
        wx.html.HtmlWindow.__init__(self, parent, id,
            style=wx.NO_FULL_REPAINT_ON_RESIZE)
        if "gtk2" in wx.PlatformInfo: self.SetStandardFonts()
            
    def OnLinkClicked(self, link):
        href = link.GetHref()
        #print href
        _AddPage(href)
    
class HtmlBrowser(wx.Dialog):
    def __init__(self,  parent, file, title):
        global note, dir
        dir = os.path.dirname(file)
        wx.Dialog.__init__(self, parent, -1, title, size=(500, 600), style=wx.DEFAULT_DIALOG_STYLE | wx.THICK_FRAME)
        note = wx.Notebook(self, -1)
        history.clear()
        _AddPage(file)
        note.SetSelection(0)
        #else nothing is displayed
        event = wx.SizeEvent()
        self.GetEventHandler().ProcessEvent(event)


def ShowHtmlFile(parent, file, title=""):
    if title == "":
        title = file
    d = HtmlBrowser(parent, file, title)
    d.ShowModal()
    d.Destroy()
    


                        
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