Mercurial > libervia-backend
diff frontends/wix/xmlui.py @ 103:6be927a465ed
XMLUI refactoring, step 1
author | Goffi <goffi@goffi.org> |
---|---|
date | Wed, 23 Jun 2010 00:23:26 +0800 |
parents | frontends/wix/form.py@2503de7fb4c7 |
children | 5458ac1380cc |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/frontends/wix/xmlui.py Wed Jun 23 00:23:26 2010 +0800 @@ -0,0 +1,176 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +""" +wix: a SAT frontend +Copyright (C) 2009, 2010 Jérôme Poisson (goffi@goffi.org) + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +""" + + + +import wx +import pdb +from xml.dom import minidom +from logging import debug, info, warning, error +from tools.jid import JID + + +class XMLUI(wx.Frame): + """Create an user interface from a SàT xml""" + + def __init__(self, host, xml_data='', title="Form", options=[], misc={}): + style = wx.DEFAULT_FRAME_STYLE & ~wx.CLOSE_BOX if 'NO_CANCEL' in options else wx.DEFAULT_FRAME_STYLE #FIXME: gof: Q&D tmp hack + super(XMLUI, self).__init__(None, title=title, style=style) + + self.host = host + self.options = options + self.misc = misc + self.ctl_list = [] # usefull to access ctrl + + self.sizer = wx.BoxSizer(wx.VERTICAL) + self.SetSizer(self.sizer) + self.SetAutoLayout(True) + + #events + if not 'NO_CANCEL' in self.options: + self.Bind(wx.EVT_CLOSE, self.onClose, self) + + self.MakeModal() + + self.constructUI(xml_data) + + self.Show() + + def __parse_elems(self, childs, parent, sizer): + """Parse elements inside a <layout> tags, and add them to the sizer""" + for elem in childs: + if elem.nodeName != "elem": + message=_("Unmanaged tag") + error(message) + raise Exception(message) + _proportion = 0 + name = elem.getAttribute("name") + type = elem.getAttribute("type") + value = elem.getAttribute("value") if elem.hasAttribute('value') else u'' + if type=="empty": + ctrl = wx.Window(parent, -1) + elif type=="text": + try: + value = elem.childNodes[0].wholeText + except KeyError: + warning (_("text node has no child !")) + ctrl = wx.StaticText(parent, -1, value) + elif type=="label": + ctrl = wx.StaticText(parent, -1, value+": ") + elif type=="string": + ctrl = wx.TextCtrl(parent, -1, value) + self.ctl_list.append({'name':name, 'type':type, 'control':ctrl}) + _proportion = 1 + elif type=="password": + ctrl = wx.TextCtrl(parent, -1, value, style=wx.TE_PASSWORD) + self.ctl_list.append({'name':name, 'type':type, 'control':ctrl}) + _proportion = 1 + elif type=="list": + ctrl = wx.ListBox(parent, -1, choices=[option.getAttribute("value") for option in elem.getElementsByTagName("option")], style=wx.LB_SINGLE) + self.ctl_list.append({'name':name, 'type':type, 'control':ctrl}) + _proportion = 1 + else: + error(_("FIXME FIXME FIXME: type [%s] is not implemented") % type) #FIXME ! + raise NotImplementedError + sizer.Add(ctrl, _proportion, flag=wx.EXPAND) + + + + def constructUI(self, xml_data): + panel=wx.Panel(self) + panel.sizer = wx.BoxSizer(wx.VERTICAL) + + cat_dom = minidom.parseString(xml_data.encode('utf-8')) + top= cat_dom.documentElement + self.type = top.getAttribute("type") + if top.nodeName != "sat_xmlui" or not self.type in ['form', 'param', 'window']: + message = _("XML UI received is invalid") + error(message) + raise Exception(message) + + for node in cat_dom.documentElement.childNodes: + if node.nodeName == "layout": + layout_panel = wx.Panel(panel, -1) + if node.getAttribute('type') == "vertical": + current_sizer = wx.BoxSizer(wx.VERTICAL) + elif node.getAttribute('type') == "pairs": + current_sizer = wx.FlexGridSizer(cols=2) + current_sizer.AddGrowableCol(1) #The growable column need most of time to be the right one in pairs + else: + warning(_("Unknown layout, using default one")) + current_sizer = wx.BoxSizer(wx.VERTICAL) + layout_panel.SetSizer(current_sizer) + self.__parse_elems(node.childNodes, layout_panel, current_sizer) + panel.sizer.Add(layout_panel, flag=wx.EXPAND) + else: + message=_("Unknown tag") + error(message) + raise Exception(message) #TODO: raise a custom exception here + + if self.type == 'form': + dialogButtons = wx.StdDialogButtonSizer() + submitButton = wx.Button(panel,wx.ID_OK, label=_("Submit")) + dialogButtons.AddButton(submitButton) + panel.Bind(wx.EVT_BUTTON, self.onFormSubmitted, submitButton) + if not 'NO_CANCEL' in self.options: + cancelButton = wx.Button(panel,wx.ID_CANCEL) + dialogButtons.AddButton(cancelButton) + panel.Bind(wx.EVT_BUTTON, self.onFormCancelled, cancelButton) + dialogButtons.Realize() + panel.sizer.Add(dialogButtons, flag=wx.ALIGN_CENTER_HORIZONTAL) + + panel.SetSizer(panel.sizer) + panel.SetAutoLayout(True) + panel.sizer.Fit(self) + self.sizer.Add(panel, 1, flag=wx.EXPAND) + cat_dom.unlink() + + def onFormSubmitted(self, event): + """Called when submit button is clicked""" + debug(_("Submitting form")) + data = [] + for ctrl in self.ctl_list: + if isinstance(ctrl['control'], wx.ListBox): + data.append((ctrl['name'], ctrl['control'].GetStringSelection())) + else: + data.append((ctrl["name"], ctrl["control"].GetValue())) + if self.misc.has_key('action_back'): #FIXME FIXME FIXME: WTF ! Must be cleaned + id = self.misc['action_back']("SUBMIT",self.misc['target'], data) + self.host.current_action_ids.add(id) + elif self.misc.has_key('callback'): + self.misc['callback'](data) + else: + warning (_("The form data is not sent back, the type is not managed properly")) + self.MakeModal(False) + self.Destroy() + + def onFormCancelled(self, event): + """Called when cancel button is clicked""" + debug(_("Cancelling form")) + self.MakeModal(False) + self.Close() + + def onClose(self, event): + """Close event: we have to send the form.""" + debug(_("close")) + self.MakeModal(False) + event.Skip() +