Mercurial > libervia-backend
view frontends/src/wix/xmlui.py @ 751:1def5b7edf9f
core, bridge: better GenericException handling
author | Goffi <goffi@goffi.org> |
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date | Tue, 17 Dec 2013 00:56:39 +0100 |
parents | 84a6e83157c2 |
children | 93bd868b8fb6 |
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#!/usr/bin/python # -*- coding: utf-8 -*- # wix: a SAT frontend # Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero 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 Affero General Public License for more details. # You should have received a copy of the GNU Affero 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 sat.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 = None, misc = None): 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 or [] self.misc = misc or {} self.ctrl_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 __parseElems(self, node, parent): """Parse elements inside a <layout> tags, and add them to the parent sizer""" for elem in node.childNodes: if elem.nodeName != "elem": message=_("Unmanaged tag") error(message) raise Exception(message) _proportion = 0 id = elem.getAttribute("id") 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 IndexError: 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.ctrl_list[name] = ({'type':type, 'control':ctrl}) _proportion = 1 elif type=="password": ctrl = wx.TextCtrl(parent, -1, value, style=wx.TE_PASSWORD) self.ctrl_list[name] = ({'type':type, 'control':ctrl}) _proportion = 1 elif type=="textbox": ctrl = wx.TextCtrl(parent, -1, value, style=wx.TE_MULTILINE) self.ctrl_list[name] = ({'type':type, 'control':ctrl}) _proportion = 1 elif type=="bool": ctrl = wx.CheckBox(panel, -1, "", style = wx.CHK_2STATE) ctrl.SetValue(value=="true") self.ctrl_list[name] = ({'type':type, 'control':ctrl}) _proportion = 1 elif type=="list": style=wx.LB_MULTIPLE if elem.getAttribute("multi")=='yes' else wx.LB_SINGLE ctrl = wx.ListBox(parent, -1, choices=[option.getAttribute("value") for option in elem.getElementsByTagName("option")], style=style) self.ctrl_list[name] = ({'type':type, 'control':ctrl}) _proportion = 1 elif type=="button": callback_id = elem.getAttribute("callback_id") ctrl = wx.Button(parent, -1, value) ctrl.param_id = (callback_id,[field.getAttribute('name') for field in elem.getElementsByTagName("field_back")]) parent.Bind(wx.EVT_BUTTON, self.onButtonClicked, ctrl) else: error(_("FIXME FIXME FIXME: type [%s] is not implemented") % type) #FIXME ! raise NotImplementedError parent.sizer.Add(ctrl, _proportion, flag=wx.EXPAND) def __parseChilds(self, parent, current_param, elem, wanted = ['layout']): """Recursively parse childNodes of an elemen @param parent: parent wx.Window @param current_param: current wx.Window (often wx.Panel) or None if we must create one @param elem: element from which childs will be parsed @param wanted: list of tag names that can be present in the childs to be SàT XMLUI compliant""" for node in elem.childNodes: if wanted and not node.nodeName in wanted: raise Exception("Invalid XMLUI") #TODO: make a custom exception if node.nodeName == "layout": _proportion = 0 type = node.getAttribute('type') if type == "tabs": current = wx.Notebook(parent, -1, style=wx.NB_LEFT if self.type=='param' else 0) self.__parseChilds(current, None, node, ['category']) _proportion = 1 else: if current_param == None: current = wx.Panel(parent, -1) else: current = current_param if type == "vertical": current.sizer = wx.BoxSizer(wx.VERTICAL) elif 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) current.SetSizer(current.sizer) self.__parseElems(node, current) if parent: parent.sizer.Add(current, _proportion, flag=wx.EXPAND) elif node.nodeName == "category": name = node.getAttribute('name') label = node.getAttribute('label') if not node.nodeName in wanted or not name or not isinstance(parent,wx.Notebook): raise Exception("Invalid XMLUI") #TODO: make a custom exception notebook = parent tab_panel = wx.Panel(notebook, -1) tab_panel.sizer = wx.BoxSizer(wx.VERTICAL) tab_panel.SetSizer(tab_panel.sizer) notebook.AddPage(tab_panel, label or name) self.__parseChilds(tab_panel, None, node, ['layout']) else: message=_("Unknown tag") error(message) raise Exception(message) #TODO: raise a custom exception here 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") self.title = top .getAttribute("title") if self.title: self.SetTitle(self.title) if top.nodeName != "sat_xmlui" or not self.type in ['form', 'param', 'window']: raise Exception("Invalid XMLUI") #TODO: make a custom exception self.__parseChilds(panel, None, cat_dom.documentElement) 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() ###events def onButtonClicked(self, event): """Called when a button is pushed""" callback_id, fields = event.GetEventObject().param_id data = {"callback_id":callback_id} for field in fields: ctrl = self.ctrl_list[field] if isinstance(ctrl['control'], wx.ListBox): data[field] = '\t'.join([ctrl['control'].GetString(idx) for idx in ctrl['control'].GetSelections()]) else: data[field] = ctrl['control'].GetValue() id = self.host.bridge.launchAction("button", data, profile_key = self.host.profile) self.host.current_action_ids.add(id) event.Skip() def onFormSubmitted(self, event): """Called when submit button is clicked""" debug(_("Submitting form")) data = [] for ctrl_name in self.ctrl_list: ctrl = self.ctrl_list[ctrl_name] if isinstance(ctrl['control'], wx.ListBox): data.append((ctrl_name, ctrl['control'].GetStringSelection())) elif isinstance(ctrl['control'], wx.CheckBox): data.append((ctrl_name, "true" if ctrl['control'].GetValue() else "false")) 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()