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51 lines
2.1 KiB
Python
51 lines
2.1 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2009-2010 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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from PyQt4 import QtGui
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class ContextMenu (QtGui.QMenu):
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"""Show context menu."""
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def __init__ (self, parent=None):
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super(ContextMenu, self).__init__(parent)
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self.addAction(parent.actionViewOnline)
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self.addAction(parent.actionCopyToClipboard)
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self.addAction(parent.actionViewParentOnline)
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self.addAction(parent.actionViewParentSource)
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self.addAction(parent.actionViewProperties)
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def enableFromItem (self, item):
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"""Enable context menu actions depending on the item content."""
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parent = self.parentWidget()
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data = item.url_data
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# enable view online actions
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parent.actionViewOnline.setEnabled(bool(data.url))
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parent.actionViewParentOnline.setEnabled(bool(data.parent_url))
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# enable view source actions
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enable_parent_url_source = self.can_view_source(data.parent_url)
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parent.actionViewParentSource.setEnabled(enable_parent_url_source)
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def can_view_source (self, url, result=None):
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"""Determine if URL source could be retrieved."""
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if not url:
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return False
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if result and result.startswith(u"Error"):
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return False
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return (url.startswith(u"http:") or
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url.startswith(u"https:") or
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url.startswith(u"ftp:") or
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url.startswith(u"ftps:") or
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url.startswith(u"file:"))
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