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
line wrap: on
line diff
--- /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()
+