code.vuplus.com Git - vuplus_dvbapp/blob - skin.py

   1 from enigma import *
   2 import xml.dom.minidom
   3 from xml.dom import EMPTY_NAMESPACE
   4
   5 def dump(x, i=0):
   6         print " " * i + str(x)
   7         try:
   8                 for n in x.childNodes:
   9                         dump(n, i + 1)
  10         except:
  11                 None
  12
  13 dom = xml.dom.minidom.parseString(
  14         """
  15         <skin>
  16                 <screen name="mainMenu" position="300,100" size="300,300" title="real main menu">
  17                         <widget name="okbutton" position="10,190" size="280,50" font="Arial:20" valign="center" halign="center" />
  18                         <widget name="title" position="10,10" size="280,20" />
  19                         <widget name="menu" position="10,30" size="280,140" />
  20                 </screen>
  21                 <screen name="clockDisplay" position="300,100" size="300,300">
  22                         <widget name="okbutton" position="10,10" size="280,40" />
  23                         <widget name="title" position="10,120" size="280,50" />
  24                         <widget name="theClock" position="10,60" size="280,50" />
  25                 </screen>
  26                 <screen name="infoBar" position="80,350" size="540,150" title="InfoBar">
  27                         <widget name="CurrentTime" position="10,10" size="40,30" />
  28                         <widget name="ServiceName" position="50,20" size="200,30" />
  29                         <widget name="Event_Now" position="100,40" size="300,30" valign="top" halign="left" />
  30                         <widget name="Event_Next" position="100,90" size="300,30" valign="top" halign="left" />
  31                         <widget name="Event_Now_Duration" position="440,40" size="80,30" valign="top" halign="left" />
  32                         <widget name="Event_Next_Duration" position="440,90" size="80,30" valign="top" halign="left" />
  33                         <eLabel position="70,0" size="300,30" text=".oO skin Oo." font="Arial:20" />
  34                 </screen>
  35                 <screen name="channelSelection" position="100,80" size="500,240" title="Channel Selection">
  36                         <widget name="list" position="20,50" size="300,150" />
  37                         <widget name="okbutton" position="340,50" size="140,30" />
  38                 </screen>
  39                 <screen name="serviceScan" position="150,100" size="300,200" title="Service Scan">
  40                         <widget name="scan_progress" position="10,10" size="280,50" />
  41                         <widget name="scan_state" position="10,60" size="280,30" />
  42                         <widget name="okbutton" position="10,100" size="280,40" />
  43                 </screen>
  44         </skin>
  45 """)
  46
  47 # filters all elements of childNode with the specified function
  48 # example: nodes = elementsWithTag(childNodes, lambda x: x == "bla")
  49 def elementsWithTag(el, tag):
  50         for x in el:
  51                 if x.nodeType != xml.dom.minidom.Element.nodeType:
  52                         continue
  53                 if tag(x.tagName):
  54                         yield x
  55
  56 def parsePosition(str):
  57         x, y = str.split(',')
  58         return ePoint(int(x), int(y))
  59
  60 def parseSize(str):
  61         x, y = str.split(',')
  62         return eSize(int(x), int(y))
  63
  64 def parseFont(str):
  65         name, size = str.split(':')
  66         return gFont(name, int(size))
  67
  68 def applyAttributes(guiObject, node):
  69         # walk all attributes
  70         for p in range(node.attributes.length):
  71                 a = node.attributes.item(p)
  72
  73                 # convert to string (was: unicode)
  74                 attrib = str(a.name)
  75                 # TODO: proper UTF8 translation?! (for value)
  76                 # TODO: localization? as in e1?
  77                 value = str(a.value)
  78
  79                 # and set attributes
  80                 try:
  81                         if attrib == 'position':
  82                                 guiObject.move(parsePosition(value))
  83                         elif attrib == 'size':
  84                                 guiObject.resize(parseSize(value))
  85                         elif attrib == 'title':
  86                                 guiObject.setTitle(value)
  87                         elif attrib == 'text':
  88                                 guiObject.setText(value)
  89                         elif attrib == 'font':
  90                                 guiObject.setFont(parseFont(value))
  91                         elif attrib == "valign":
  92                                 try:
  93                                         guiObject.setVAlign(
  94                                                 { "top": guiObject.alignTop,
  95                                                         "center": guiObject.alignCenter,
  96                                                         "bottom": guiObject.alignBottom
  97                                                 }[value])
  98                                 except KeyError:
  99                                         print "valign must be either top, center or bottom!"
 100                         elif attrib == "halign":
 101                                 try:
 102                                         guiObject.setHAlign(
 103                                                 { "left": guiObject.alignLeft,
 104                                                         "center": guiObject.alignCenter,
 105                                                         "right": guiObject.alignRight,
 106                                                         "block": guiObject.alignBlock
 107                                                 }[value])
 108                                 except KeyError:
 109                                         print "halign must be either left, center, right or block!"
 110                         elif attrib != 'name':
 111                                 print "unsupported attribute " + attrib + "=" + value
 112                 except AttributeError:
 113                         print "widget %s (%s) doesn't support attribute %s!" % ("", guiObject.__class__.__name__, attrib)
 114
 115 def applyGUIskin(screen, skin, name):
 116         myscreen = None
 117
 118         # first, find the corresponding screen element
 119         skin = dom.childNodes[0]
 120         assert skin.tagName == "skin", "root element in skin must be 'skin'!"
 121
 122         for x in elementsWithTag(skin.childNodes, lambda x: x == "screen"):
 123                 if x.getAttribute('name') == name:
 124                         myscreen = x
 125         del skin
 126
 127         assert myscreen != None, "no skin for screen '" + name + "' found!"
 128
 129         applyAttributes(screen.instance, myscreen)
 130
 131         # now walk all widgets
 132         for widget in elementsWithTag(myscreen.childNodes, lambda x: x == "widget"):
 133                 wname = widget.getAttribute('name')
 134                 if wname == None:
 135                         print "widget has no name!"
 136                         continue
 137
 138                 # get corresponding gui object
 139                 try:
 140                         guiObject = screen[wname].instance
 141                 except:
 142                         raise str("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
 143
 144                 applyAttributes(guiObject, widget)
 145
 146         # now walk additional objects
 147         for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"):
 148                 if widget.tagName == "eLabel":
 149                         guiObject = eLabel(screen.instance)
 150                 else:
 151                         raise "unsupported stuff : %s" % widget.tagName
 152
 153                 applyAttributes(guiObject, widget)
 154                 guiObject.thisown = 0