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
  29 def propStrToList(str):
  30         list = []
  31         propList = str.split(";")
  32         for prop in propList:
  33                 if not (len(prop) == 0):
  34                         list.append(prop.strip())
  35         return list
  36
  37 def propListToDict(list):
  38         dictio = {}
  39
  40         for prop in list:
  41                 keyValue = prop.split(":")
  42
  43                 if len(keyValue) == 2:
  44                         dictio[keyValue[0].strip()] = keyValue[1].strip()
  45
  46         return dictio
  47
  48 class JessyInk_Effects(inkex.Effect):
  49         def __init__(self):
  50                 # Call the base class constructor.
  51                 inkex.Effect.__init__(self)
  52
  53                 self.OptionParser.add_option('--tab', action = 'store', type = 'string', dest = 'what')
  54                 self.OptionParser.add_option('--viewOrder', action = 'store', type = 'string', dest = 'viewOrder', default = 1)
  55                 self.OptionParser.add_option('--viewDuration', action = 'store', type = 'float', dest = 'viewDuration', default = 0.8)
  56                 self.OptionParser.add_option('--removeView', action = 'store', type = 'inkbool', dest = 'removeView', default = False)
  57
  58                 inkex.NSS[u"jessyink"] = u"https://launchpad.net/jessyink"
  59
  60         def effect(self):
  61                 # Check version.
  62                 scriptNodes = self.document.xpath("//svg:script[@jessyink:version='1.5.1']", namespaces=inkex.NSS)
  63
  64                 if len(scriptNodes) != 1:
  65                         sys.stderr.write("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 \"Effects\" menu to install or update the JessyInk script.\n\n")
  66
  67                 rect = None
  68
  69                 for id, node in self.selected.items():
  70                         if rect == None:
  71                                 rect = node
  72                         else:
  73                                 sys.stderr.write("More than one object selected. Please select only one object.\n")
  74                                 exit()
  75
  76                 if rect == None:
  77                         sys.stderr.write("No object selected. Please select the object you want to assign a view to and then press apply.\n")
  78                         exit()
  79
  80                 if not self.options.removeView:
  81                         # Remove the view that currently has the requested order number.
  82                         for node in rect.xpath("ancestor::svg:g[@inkscape:groupmode='layer']/descendant::*[@jessyink:view]", namespaces=inkex.NSS):
  83                                 propDict = propListToDict(propStrToList(node.attrib["{" + inkex.NSS["jessyink"] + "}view"]))
  84
  85                                 if propDict["order"] == self.options.viewOrder:
  86                                         del node.attrib["{" + inkex.NSS["jessyink"] + "}view"]
  87
  88                         # Set the new view.
  89                         rect.set("{" + inkex.NSS["jessyink"] + "}view","name:view;order:" + self.options.viewOrder + ";length:" + str(int(self.options.viewDuration * 1000)))
  90
  91                         # Remove possible effect arguments.
  92                         if rect.attrib.has_key("{" + inkex.NSS["jessyink"] + "}effectIn"):
  93                                 del rect.attrib["{" + inkex.NSS["jessyink"] + "}effectIn"]
  94
  95                         if rect.attrib.has_key("{" + inkex.NSS["jessyink"] + "}effectOut"):
  96                                 del rect.attrib["{" + inkex.NSS["jessyink"] + "}effectOut"]
  97                 else:
  98                         if node.attrib.has_key("{" + inkex.NSS["jessyink"] + "}view"):
  99                                 del node.attrib["{" + inkex.NSS["jessyink"] + "}view"]
 100
 101 # Create effect instance
 102 effect = JessyInk_Effects()
 103 effect.affect()
 104