share/extensions/jessyInk_view.py

   1 #!/usr/bin/env python
   2 # Copyright 2008, 2009 Hannes Hochreiner
   3 # This program is free software: you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation, either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see http://www.gnu.org/licenses/.
  15
  16 # These lines are only needed if you don't put the script directly into
  17 # the installation directory
  18 import sys
  19 # Unix
  20 sys.path.append('/usr/share/inkscape/extensions')
  21 # OS X
  22 sys.path.append('/Applications/Inkscape.app/Contents/Resources/extensions')
  23 # Windows
  24 sys.path.append('C:\Program Files\Inkscape\share\extensions')
  25
  26 # We will use the inkex module with the predefined Effect base class.
  27 import inkex
  28 import gettext
  29 _ = gettext.gettext
  30
  31 def propStrToList(str):
  32         list = []
  33         propList = str.split(";")
  34         for prop in propList:
  35                 if not (len(prop) == 0):
  36                         list.append(prop.strip())
  37         return list
  38
  39 def propListToDict(list):
  40         dictio = {}
  41
  42         for prop in list:
  43                 keyValue = prop.split(":")
  44
  45                 if len(keyValue) == 2:
  46                         dictio[keyValue[0].strip()] = keyValue[1].strip()
  47
  48         return dictio
  49
  50 class JessyInk_Effects(inkex.Effect):
  51         def __init__(self):
  52                 # Call the base class constructor.
  53                 inkex.Effect.__init__(self)
  54
  55                 self.OptionParser.add_option('--tab', action = 'store', type = 'string', dest = 'what')
  56                 self.OptionParser.add_option('--viewOrder', action = 'store', type = 'string', dest = 'viewOrder', default = 1)
  57                 self.OptionParser.add_option('--viewDuration', action = 'store', type = 'float', dest = 'viewDuration', default = 0.8)
  58                 self.OptionParser.add_option('--removeView', action = 'store', type = 'inkbool', dest = 'removeView', default = False)
  59
  60                 inkex.NSS[u"jessyink"] = u"https://launchpad.net/jessyink"
  61
  62         def effect(self):
  63                 # Check version.
  64                 scriptNodes = self.document.xpath("//svg:script[@jessyink:version='1.5.5']", namespaces=inkex.NSS)
  65
  66                 if len(scriptNodes) != 1:
  67                         inkex.errormsg(_("The JessyInk script is not installed in this SVG file or has a different version than the JessyInk extensions. Please select \"install/update...\" from the \"JessyInk\" sub-menu of the \"Extensions\" menu to install or update the JessyInk script.\n\n"))
  68
  69                 rect = None
  70
  71                 for id, node in self.selected.items():
  72                         if rect == None:
  73                                 rect = node
  74                         else:
  75                                 inkex.errormsg(_("More than one object selected. Please select only one object.\n"))
  76                                 exit()
  77
  78                 if rect == None:
  79                         inkex.errormsg(_("No object selected. Please select the object you want to assign a view to and then press apply.\n"))
  80                         exit()
  81
  82                 if not self.options.removeView:
  83                         # Remove the view that currently has the requested order number.
  84                         for node in rect.xpath("ancestor::svg:g[@inkscape:groupmode='layer']/descendant::*[@jessyink:view]", namespaces=inkex.NSS):
  85                                 propDict = propListToDict(propStrToList(node.attrib["{" + inkex.NSS["jessyink"] + "}view"]))
  86
  87                                 if propDict["order"] == self.options.viewOrder:
  88                                         del node.attrib["{" + inkex.NSS["jessyink"] + "}view"]
  89
  90                         # Set the new view.
  91                         rect.set("{" + inkex.NSS["jessyink"] + "}view","name:view;order:" + self.options.viewOrder + ";length:" + str(int(self.options.viewDuration * 1000)))
  92
  93                         # Remove possible effect arguments.
  94                         if rect.attrib.has_key("{" + inkex.NSS["jessyink"] + "}effectIn"):
  95                                 del rect.attrib["{" + inkex.NSS["jessyink"] + "}effectIn"]
  96
  97                         if rect.attrib.has_key("{" + inkex.NSS["jessyink"] + "}effectOut"):
  98                                 del rect.attrib["{" + inkex.NSS["jessyink"] + "}effectOut"]
  99                 else:
 100                         if node.attrib.has_key("{" + inkex.NSS["jessyink"] + "}view"):
 101                                 del node.attrib["{" + inkex.NSS["jessyink"] + "}view"]
 102
 103 # Create effect instance
 104 effect = JessyInk_Effects()
 105 effect.affect()
 106