research/transmission_spectroscopy/simulator/pgu-0.18/build/lib/pgu/gui/dialog.py

   1 """
   2 """
   3 import os
   4
   5 from .const import *
   6 from . import table, area
   7 from . import basic, input, button
   8 from . import pguglobals
   9
  10 class Dialog(table.Table):
  11     """A dialog window with a title bar and an "close" button on the bar.
  12
  13     Example:
  14         title = gui.Label("My Title")
  15         main = gui.Container()
  16         #add stuff to the container...
  17
  18         d = gui.Dialog(title,main)
  19         d.open()
  20
  21     """
  22     def __init__(self,title,main,**params):
  23         """Dialog constructor.
  24
  25         Arguments:
  26             title -- title widget, usually a label
  27             main -- main widget, usually a container
  28
  29         """
  30         params.setdefault('cls','dialog')
  31         table.Table.__init__(self,**params)
  32
  33
  34         self.tr()
  35         self.td(title,align=-1,cls=self.cls+'.bar')
  36         clos = button.Icon(self.cls+".bar.close")
  37         clos.connect(CLICK,self.close,None)
  38         self.td(clos,align=1,cls=self.cls+'.bar')
  39
  40         self.tr()
  41         self.td(main,colspan=2,cls=self.cls+".main")
  42
  43
  44 #         self.tr()
  45 #
  46 #
  47 #         t = table.Table(cls=self.cls+".bar")
  48 #         t.tr()
  49 #         t.td(title)
  50 #         clos = button.Icon(self.cls+".bar.close")
  51 #         t.td(clos,align=1)
  52 #         clos.connect(CLICK,self.close,None)
  53 #         self.add(t,0,0)
  54 #
  55 #         main.rect.w,main.rect.h = main.resize()
  56 #         clos.rect.w,clos.rect.h = clos.resize()
  57 #         title.container.style.width = main.rect.w - clos.rect.w
  58 #
  59 #         self.tr()
  60 #         self.td(main,cls=self.cls+".main")
  61 #
  62
  63
  64 class FileDialog(Dialog):
  65     """A file picker dialog window."""
  66
  67     def __init__(self, title_txt="File Browser", button_txt="Okay", cls="dialog", path=None):
  68         """FileDialog constructor.
  69
  70         Keyword arguments:
  71             title_txt -- title text
  72             button_txt -- button text
  73             path -- initial path
  74
  75         """
  76
  77         cls1 = "filedialog"
  78         if not path: self.curdir = os.getcwd()
  79         else: self.curdir = path
  80         self.dir_img = basic.Image(
  81             pguglobals.app.theme.get(cls1+".folder", "", 'image'))
  82         td_style = {'padding_left': 4,
  83                     'padding_right': 4,
  84                     'padding_top': 2,
  85                     'padding_bottom': 2}
  86         self.title = basic.Label(title_txt, cls=cls+".title.label")
  87         self.body = table.Table()
  88         self.list = area.List(width=350, height=150)
  89         self.input_dir = input.Input()
  90         self.input_file = input.Input()
  91         self._list_dir_()
  92         self.button_ok = button.Button(button_txt)
  93         self.body.tr()
  94         self.body.td(basic.Label("Folder"), style=td_style, align=-1)
  95         self.body.td(self.input_dir, style=td_style)
  96         self.body.tr()
  97         self.body.td(self.list, colspan=3, style=td_style)
  98         self.list.connect(CHANGE, self._item_select_changed_, None)
  99         self.button_ok.connect(CLICK, self._button_okay_clicked_, None)
 100         self.body.tr()
 101         self.body.td(basic.Label("File"), style=td_style, align=-1)
 102         self.body.td(self.input_file, style=td_style)
 103         self.body.td(self.button_ok, style=td_style)
 104         self.value = None
 105         Dialog.__init__(self, self.title, self.body)
 106
 107     def _list_dir_(self):
 108         self.input_dir.value = self.curdir
 109         self.input_dir.pos = len(self.curdir)
 110         self.input_dir.vpos = 0
 111         dirs = []
 112         files = []
 113         try:
 114             for i in os.listdir(self.curdir):
 115                 if os.path.isdir(os.path.join(self.curdir, i)): dirs.append(i)
 116                 else: files.append(i)
 117         except:
 118             self.input_file.value = "Opps! no access"
 119         #if '..' not in dirs: dirs.append('..')
 120         dirs.sort()
 121         dirs = ['..'] + dirs
 122
 123         files.sort()
 124         for i in dirs:
 125             #item = ListItem(image=self.dir_img, text=i, value=i)
 126             self.list.add(i,image=self.dir_img,value=i)
 127         for i in files:
 128             #item = ListItem(image=None, text=i, value=i)
 129             self.list.add(i,value=i)
 130         #self.list.resize()
 131         self.list.set_vertical_scroll(0)
 132         #self.list.repaintall()
 133
 134
 135     def _item_select_changed_(self, arg):
 136         self.input_file.value = self.list.value
 137         fname = os.path.abspath(os.path.join(self.curdir, self.input_file.value))
 138         if os.path.isdir(fname):
 139             self.input_file.value = ""
 140             self.curdir = fname
 141             self.list.clear()
 142             self._list_dir_()
 143
 144
 145     def _button_okay_clicked_(self, arg):
 146         if self.input_dir.value != self.curdir:
 147             if os.path.isdir(self.input_dir.value):
 148                 self.input_file.value = ""
 149                 self.curdir = os.path.abspath(self.input_dir.value)
 150                 self.list.clear()
 151                 self._list_dir_()
 152         else:
 153             self.value = os.path.join(self.curdir, self.input_file.value)
 154             self.send(CHANGE)
 155             self.close()
 156