198 lines
8.2 KiB
Python
198 lines
8.2 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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"""
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Primitivus: a SAT frontend
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Copyright (C) 2009, 2010 Jérôme Poisson (goffi@goffi.org)
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import urwid
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import custom_widgets
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from xml.dom import minidom
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class Pairs(urwid.WidgetWrap):
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def __init__(self, weight_0='1', weight_1='1'):
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self.idx = 0
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self.weight_0 = weight_0
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self.weight_1 = weight_1
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columns = urwid.Columns([urwid.Text(''), urwid.Text('')])
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#XXX: empty Text hack needed because Pile doesn't support empty list
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urwid.WidgetWrap.__init__(self,columns)
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def append(self, widget):
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pile = self._w.widget_list[self.idx]
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if isinstance(pile, urwid.Text):
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self._w.widget_list[self.idx] = urwid.Pile([widget])
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if self.idx == 1:
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self._w.set_focus(1)
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else:
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pile.widget_list.append(widget)
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pile.item_types.append(('weight',getattr(self,'weight_'+str(self.idx))))
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self.idx = (self.idx + 1) % 2
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class InvalidXMLUI(Exception):
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pass
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class XMLUI(urwid.WidgetWrap):
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def __init__(self, host, xml_data, title = None, options = [], misc={}):
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self.host = host
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self.title = title
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self.options = options
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self.misc = misc
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self.ctrl_list = {} # usefull to access ctrl
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widget = self.constructUI(xml_data)
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urwid.WidgetWrap.__init__(self,widget)
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def __parseElems(self, node, parent):
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"""Parse elements inside a <layout> tags, and add them to the parent"""
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for elem in node.childNodes:
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if elem.nodeName != "elem":
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message=_("Unmanaged tag")
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error(message)
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raise Exception(message)
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id = elem.getAttribute("id")
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name = elem.getAttribute("name")
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type = elem.getAttribute("type")
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value = elem.getAttribute("value") if elem.hasAttribute('value') else u''
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if type=="empty":
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ctrl = urwid.Text('')
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elif type=="text":
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try:
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value = elem.childNodes[0].wholeText
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except IndexError:
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warning (_("text node has no child !"))
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ctrl = urwid.Text(value)
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elif type=="label":
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ctrl = urwid.Text(value+": ")
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elif type=="string":
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ctrl = custom_widgets.AdvancedEdit(edit_text = value)
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self.ctrl_list[name] = ({'type':type, 'control':ctrl})
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elif type=="password":
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ctrl = custom_widgets.Password(edit_text = value)
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self.ctrl_list[name] = ({'type':type, 'control':ctrl})
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elif type=="textbox":
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ctrl = custom_widgets.AdvancedEdit(edit_text = value, multiline=True)
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self.ctrl_list[name] = ({'type':type, 'control':ctrl})
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elif type=="list":
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style=[] if elem.getAttribute("multi")=='yes' else ['single']
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ctrl = custom_widgets.List(options=[option.getAttribute("value") for option in elem.getElementsByTagName("option")], style=style)
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self.ctrl_list[name] = ({'type':type, 'control':ctrl})
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elif type=="button":
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callback_id = elem.getAttribute("callback_id")
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ctrl = custom_widgets.CustomButton(value, on_press=self.onButtonPress)
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ctrl.param_id = (callback_id,[field.getAttribute('name') for field in elem.getElementsByTagName("field_back")])
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else:
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error(_("FIXME FIXME FIXME: type [%s] is not implemented") % type) #FIXME !
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raise NotImplementedError
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parent.append(ctrl)
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def __parseChilds(self, current, elem, wanted = ['layout'], data = None):
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"""Recursively parse childNodes of an elemen
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@param current: widget container with 'append' method
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@param elem: element from which childs will be parsed
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@param wanted: list of tag names that can be present in the childs to be SàT XMLUI compliant"""
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for node in elem.childNodes:
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if wanted and not node.nodeName in wanted:
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raise InvalidXMLUI
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if node.nodeName == "layout":
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type = node.getAttribute('type')
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if type == "tabs":
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tab_cont = custom_widgets.TabsContainer()
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self.__parseChilds(current, node, ['category'], tab_cont)
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current.append(tab_cont)
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elif type == "vertical":
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self.__parseElems(node, current)
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elif type == "pairs":
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pairs = Pairs()
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self.__parseElems(node, pairs)
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current.append(pairs)
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else:
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warning(_("Unknown layout, using default one"))
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self.__parseElems(node, current)
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elif node.nodeName == "category":
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name = node.getAttribute('name')
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if not name or not isinstance(data,custom_widgets.TabsContainer):
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raise InvalidXMLUI
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tab_cont = data
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listbox = tab_cont.addTab(name)
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self.__parseChilds(listbox.body, node, ['layout'])
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else:
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message=_("Unknown tag")
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error(message)
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raise NotImplementedError
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def constructUI(self, xml_data):
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list_box = urwid.ListBox(urwid.SimpleListWalker([]))
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cat_dom = minidom.parseString(xml_data.encode('utf-8'))
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top=cat_dom.documentElement
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self.type = top.getAttribute("type")
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if not self.title:
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self.title = top.getAttribute("title") #TODO: manage title
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if top.nodeName != "sat_xmlui" or not self.type in ['form', 'param', 'window']:
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raise InvalidXMLUI
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self.__parseChilds(list_box.body, cat_dom.documentElement)
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assert list_box.body
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if isinstance(list_box.body[0],custom_widgets.TabsContainer):
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return list_box.body[0] #xxx: awfull hack cause TabsContainer is a BoxWidget, can't be inside a ListBox
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if self.type == 'form':
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buttons = []
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buttons.append(urwid.Button(_('Submit'),self.onFormSubmitted))
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if not 'NO_CANCEL' in self.options:
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buttons.append(urwid.Button(_('Cancel'),self.onFormCancelled))
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max_len = max([len(button.get_label()) for button in buttons])
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grid_wid = urwid.GridFlow(buttons,max_len+4,1,0,'center')
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list_box.body.append(grid_wid)
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return list_box
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def show(self):
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"""Show the constructed UI"""
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decorated = custom_widgets.LabelLine(self, custom_widgets.SurroundedText(self.title or ''))
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self.host.showPopUp(decorated)
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self.host.redraw()
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##EVENTS##
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def onButtonPress(self, button):
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self.host.debug()
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def onFormSubmitted(self, button):
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data = []
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for ctrl_name in self.ctrl_list:
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ctrl = self.ctrl_list[ctrl_name]
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if isinstance(ctrl['control'], custom_widgets.List):
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data.append((ctrl_name, ctrl['control'].getSelectedValue()))
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else:
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data.append((ctrl_name, ctrl['control'].get_edit_text()))
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if self.misc.has_key('action_back'): #FIXME FIXME FIXME: WTF ! Must be cleaned
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raise NotImplementedError
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self.host.debug()
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elif self.misc.has_key('callback'):
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self.misc['callback'](data)
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else:
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warning (_("The form data is not sent back, the type is not managed properly"))
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self.host.removePopUp()
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def onFormCancelled(self, button):
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self.host.removePopUp()
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