430 lines
13 KiB
Python
430 lines
13 KiB
Python
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# --------------------------------------------------------------------------- #
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# HYPERLINKSCTRL wxPython IMPLEMENTATION
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# Ported From Angelo Mandato C++ Code By:
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#
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# Andrea Gavana, @ 27 Mar 2005
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# Latest Revision: 27 Apr 2005, 22.30 CET
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#
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#
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# Original Web Site (For The C++ Code):
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#
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# http://www.spaceblue.com/codedetail.php?CodeID=7
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#
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#
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# For all kind of problems, requests of enhancements and bug reports, please
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# write to me at:
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#
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# andrea.gavana@agip.it
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# andrea_gavan@tin.it
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#
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# Or, obviously, to the wxPython mailing list!!!
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#
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#
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# End Of Comments
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# --------------------------------------------------------------------------- #
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"""
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`HyperLinkCtrl` is a control for wxPython that acts like a hyper link
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in a typical browser. Latest features include the ability to capture
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your own Left, Middle, and Right click events to perform your own
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custom event handling and ability to open link in a new or current
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browser window.
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Special thanks to Robin Dunn for the event binder for the 3 mouse buttons.
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Latest Revision: Andrea Gavana @ 11 May 2005, 21.00 CET
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"""
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import wx
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from wx.lib.stattext import GenStaticText as StaticText
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# Import the useful webbrowser module for platform-independent results
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import webbrowser
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# Set no delay time to open the web page
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webbrowser.PROCESS_CREATION_DELAY = 0
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# To show a popup that copies the hyperlinks on the clipboard
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wxHYPERLINKS_POPUP_COPY = 1000
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#-----------------------------------#
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# HyperLinksEvents
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#-----------------------------------#
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# wxEVT_HYPERLINK_LEFT: Respond To A Left Mouse Button Event
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# wxEVT_HYPERLINK_MIDDLE: Respond To A Middle Mouse Button Event
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# wxEVT_HYPERLINK_RIGHT: Respond To A Right Mouse Button Event
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wxEVT_HYPERLINK_LEFT = wx.NewEventType()
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wxEVT_HYPERLINK_MIDDLE = wx.NewEventType()
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wxEVT_HYPERLINK_RIGHT = wx.NewEventType()
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EVT_HYPERLINK_LEFT = wx.PyEventBinder(wxEVT_HYPERLINK_LEFT, 1)
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EVT_HYPERLINK_MIDDLE = wx.PyEventBinder(wxEVT_HYPERLINK_MIDDLE, 1)
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EVT_HYPERLINK_RIGHT = wx.PyEventBinder(wxEVT_HYPERLINK_RIGHT, 1)
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# ------------------------------------------------------------
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# This class implements the event listener for the hyperlinks
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# ------------------------------------------------------------
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class HyperLinkEvent(wx.PyCommandEvent):
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"""
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Event object sent in response to clicking on a `HyperLinkCtrl`.
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"""
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def __init__(self, eventType, id):
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""" Default Class Constructor. """
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wx.PyCommandEvent.__init__(self, eventType, id)
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self._eventType = eventType
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def SetPosition(self, pos):
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""" Sets Event Position """
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self._pos = pos
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def GetPosition(self):
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""" Returns Event Position """
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return self._pos
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# -------------------------------------------------
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# This is the main HyperLinkCtrl implementation
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# it user the StatiText from wx.lib.stattext
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# because of its "quasi-dynamic" behavior
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# -------------------------------------------------
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class HyperLinkCtrl(StaticText):
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"""
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`HyperLinkCtrl` is a control for wxPython that acts like a hyper
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link in a typical browser. Latest features include the ability to
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capture your own Left, Middle, and Right click events to perform
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your own custom event handling and ability to open link in a new
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or current browser window.
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Events
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------
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==================== =======================================
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EVT_HYPERLINK_LEFT Sent when the left mouse button is
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clicked, but only if `AutoBrowse` is set
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to ``False``.
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EVT_HYPERLINK_MIDDLE Sent when the middle mouse button is
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clicked.
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EVT_HYPERLINK_RIGHT Sent when the right mouse button is
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clicked, but only if `DoPopup` is set
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to ``False``.
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==================== =======================================
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"""
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def __init__(self, parent, id=-1, label="", pos=wx.DefaultPosition,
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size=wx.DefaultSize, style=0, name="staticText", URL=""):
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"""
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Default class constructor.
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Pass URL == "" to use the label as the url link to navigate to
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"""
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StaticText.__init__(self, parent, id, label, pos, size,
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style, name)
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if URL.strip() == "":
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self._URL = label
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else:
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self._URL = URL
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# Set Tooltip
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self.SetToolTip(wx.ToolTip(self._URL))
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# Set default properties
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# default: True
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self.ReportErrors()
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# default: True, True, True
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self.SetUnderlines()
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# default: blue, violet, blue
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self.SetColours()
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# default: False
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self.SetVisited()
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# default: False
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self.EnableRollover()
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# default: False
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self.SetBold()
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# default: wx.CURSOR_HAND
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self.SetLinkCursor()
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# default True
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self.AutoBrowse()
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# default True
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self.DoPopup()
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# default False
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self.OpenInSameWindow()
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# Set control properties and refresh
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self.UpdateLink(True)
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self.Bind(wx.EVT_MOUSE_EVENTS, self.OnMouseEvent)
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self.Bind(wx.EVT_MOTION, self.OnMouseEvent)
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def GotoURL(self, URL, ReportErrors=True, NotSameWinIfPossible=False):
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"""
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Goto The Specified URL.
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:param ReportErrors: Use True to display error dialog if an
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error occurrs navigating to the URL.
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:param NotSameWinIfPossible: Use True to attempt to open the
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URL in new browser window.
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"""
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logOff = wx.LogNull()
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try:
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webbrowser.open(URL, new=NotSameWinIfPossible)
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self.SetVisited(True)
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self.UpdateLink(True)
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return True
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except:
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self.DisplayError("Unable To Launch Browser.", ReportErrors)
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return False
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def OnMouseEvent(self, event):
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""" Captures mouse events for cursor, link colors and underlines. """
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if event.Moving():
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# Mouse Is Moving On The StaticText
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# Set The Hand Cursor On The Link
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self.SetCursor(self._CursorHand)
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if self._EnableRollover:
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self.SetForegroundColour(self._LinkRolloverColor)
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fontTemp = self.GetFont()
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fontTemp.SetUnderlined(self._RolloverUnderline)
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if self._Bold:
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fontTemp.SetWeight(wx.BOLD)
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self.SetFont(fontTemp)
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self.Refresh()
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else:
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# Restore The Original Cursor
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self.SetCursor(wx.NullCursor)
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if self._EnableRollover:
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self.UpdateLink(True)
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if event.LeftUp():
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# Left Button Was Pressed
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if self._AutoBrowse:
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self.GotoURL(self._URL, self._ReportErrors,
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self._NotSameWinIfPossible)
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else:
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eventOut = HyperLinkEvent(wxEVT_HYPERLINK_LEFT, self.GetId())
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eventOut.SetEventObject(self)
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eventOut.SetPosition(event.GetPosition())
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self.GetEventHandler().ProcessEvent(eventOut)
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self.SetVisited(True)
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elif event.RightUp():
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# Right Button Was Pressed
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if self._DoPopup:
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# Popups A Menu With The "Copy HyperLynks" Feature
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menuPopUp = wx.Menu("", wx.MENU_TEAROFF)
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menuPopUp.Append(wxHYPERLINKS_POPUP_COPY, "Copy HyperLink")
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self.Bind(wx.EVT_MENU, self.OnPopUpCopy, id=wxHYPERLINKS_POPUP_COPY)
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self.PopupMenu(menuPopUp, wx.Point(event.m_x, event.m_y))
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menuPopUp.Destroy()
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self.Unbind(wx.EVT_MENU, id=wxHYPERLINKS_POPUP_COPY)
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else:
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eventOut = HyperLinkEvent(wxEVT_HYPERLINK_RIGHT, self.GetId())
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eventOut.SetEventObject(self)
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eventOut.SetPosition(event.GetPosition())
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self.GetEventHandler().ProcessEvent(eventOut)
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elif event.MiddleUp():
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# Middle Button Was Pressed
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eventOut = HyperLinkEvent(wxEVT_HYPERLINK_MIDDLE, self.GetId())
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eventOut.SetEventObject(self)
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eventOut.SetPosition(event.GetPosition())
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self.GetEventHandler().ProcessEvent(eventOut)
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event.Skip()
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def OnPopUpCopy(self, event):
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""" Copy data from the HyperLink to the clipboard. """
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wx.TheClipboard.UsePrimarySelection(False)
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if not wx.TheClipboard.Open():
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return
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data = wx.TextDataObject(self._URL)
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wx.TheClipboard.SetData(data)
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wx.TheClipboard.Close()
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def UpdateLink(self, OnRefresh=True):
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"""
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Updates the link.
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Changing text properties if:
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- User Specific Setting
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- Link Visited
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- New Link
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"""
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fontTemp = self.GetFont()
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if self._Visited:
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self.SetForegroundColour(self._VisitedColour)
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fontTemp.SetUnderlined(self._VisitedUnderline)
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else:
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self.SetForegroundColour(self._LinkColour)
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fontTemp.SetUnderlined(self._LinkUnderline)
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if self._Bold:
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fontTemp.SetWeight(wx.BOLD)
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self.SetFont(fontTemp)
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self.Refresh(OnRefresh)
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def DisplayError(self, ErrorMessage, ReportErrors=True):
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"""
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Displays an error message (according to ReportErrors variable)
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in a MessageBox.
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"""
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if ReportErrors:
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wx.MessageBox(ErrorMessage, "HyperLinks Error", wx.OK | wx.CENTRE | wx.ICON_ERROR)
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def SetColours(self,
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link=wx.Colour(0, 0, 255),
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visited=wx.Colour(79, 47, 79),
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rollover=wx.Colour(0, 0, 255)):
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""" Sets the colours for the link, the visited link and the mouse rollover.
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Defaults Are:
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- New Link: RED
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- Visited Link: VIOLET
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- Rollover: BLUE
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"""
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self._LinkColour = link
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self._VisitedColour = visited
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self._LinkRolloverColor = rollover
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def GetColours(self):
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"""
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Gets the colours for the link, the visited link and the mouse
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rollover.
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"""
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return self._LinkColour, self._VisitedColour, self._LinkRolloverColor
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def SetUnderlines(self, link=True, visited=True, rollover=True):
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""" Underlines Properties. """
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self._LinkUnderline = link
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self._RolloverUnderline = rollover
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self._VisitedUnderline = visited
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def GetUnderlines(self):
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"""
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Returns if link is underlined, if the mouse rollover is
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underlined and if the visited link is underlined.
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"""
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return self._LinkUnderline, self._RolloverUnderline, self._VisitedUnderline
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def SetLinkCursor(self, cur=wx.CURSOR_HAND):
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""" Sets link cursor properties. """
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self._CursorHand = wx.StockCursor(cur)
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def GetLinkCursor(self):
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""" Gets the link cursor. """
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return self._CursorHand
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def SetVisited(self, Visited=False):
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""" Sets a link as visited. """
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self._Visited = Visited
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def GetVisited(self):
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""" Returns whether a link has been visited or not. """
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return self._Visited
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def SetBold(self, Bold=False):
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""" Sets the HyperLink in bold text. """
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self._Bold = Bold
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def GetBold(self):
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""" Returns whether the HyperLink has text in bold or not. """
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return self._Bold
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def SetURL(self, URL):
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""" Sets the HyperLink text to the specified URL. """
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self._URL = URL
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def GetURL(self):
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""" Retrieve the URL associated to the HyperLink. """
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return self._URL
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def OpenInSameWindow(self, NotSameWinIfPossible=False):
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""" Open multiple URL in the same window (if possible). """
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self._NotSameWinIfPossible = NotSameWinIfPossible
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def EnableRollover(self, EnableRollover=False):
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""" Enable/disable rollover. """
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|
self._EnableRollover = EnableRollover
|
||
|
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|
||
|
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|
||
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|
def ReportErrors(self, ReportErrors=True):
|
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|
|
""" Set whether to report browser errors or not. """
|
||
|
|
self._ReportErrors = ReportErrors
|
||
|
|
|
||
|
|
|
||
|
|
def AutoBrowse(self, AutoBrowse=True):
|
||
|
|
"""
|
||
|
|
Automatically browse to URL when clicked. set to False to
|
||
|
|
receive EVT_HYPERLINK_LEFT event.
|
||
|
|
"""
|
||
|
|
self._AutoBrowse = AutoBrowse
|
||
|
|
|
||
|
|
|
||
|
|
def DoPopup(self, DoPopup=True):
|
||
|
|
""" Sets whether to show popup menu on right click or not. """
|
||
|
|
self._DoPopup = DoPopup
|
||
|
|
|
||
|
|
|