controls/IDManager.py
changeset 2334 d1470c052662
child 2335 4262256e1d28
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/controls/IDManager.py	Wed Nov 14 11:32:08 2018 +0100
@@ -0,0 +1,210 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# See COPYING file for copyrights details.
+
+from __future__ import absolute_import
+import os
+import wx
+import wx.dataview as dv
+import json
+
+def _GetInitialData(psk_path):
+    # [(ID, Desc, LastKnownURI, LastConnect)
+    data = []
+
+    data_path = os.path.join(psk_path, 'management.json')
+
+    if os.path.isdir(psk_path):
+        # load known keys metadata
+        # {ID:(Desc, LastKnownURI, LastConnect)}
+        recovered_data = json.loads(open(data_path).read()) \
+                         if os.path.exists(data_path) else {}
+
+        # go through all secret files available an build data
+        # out of data recoverd from json and list of secret.
+        # this implicitly filters IDs out of metadata who's
+        # secret is missing
+        psk_files = os.listdir(psk_path)
+        for filename in psk_files:
+           if filename.endswith('.secret'):
+               ID = filename[:-7]  # strip filename extension
+               meta = recovered_data.get(ID, 
+                   ['', # default description
+                    None, # last known URI
+                    None])  # last connection date
+                   
+               data.append([ID]+meta)
+    return data
+
+def _DeleteID(psk_path, ID):
+    secret_path = os.path.join(psk_path, ID+'.secret')
+    os.remove(secret_path)
+
+def _SaveData(psk_path, data):
+    if not os.path.isdir(psk_path):
+        os.mkdir(psk_path)
+    data_path = os.path.join(psk_path, 'management.json')
+    to_store = {row[0]:row[1:] for row in data}
+    with open(data_path, 'w') as f:
+        f.write(json.dumps(to_store))
+
+class IDManagerModel(dv.PyDataViewIndexListModel):
+    def __init__(self, psk_path, columncount):
+        self.psk_path = psk_path
+        self.columncount = columncount
+        self.data = _GetInitialData(psk_path)
+        dv.PyDataViewIndexListModel.__init__(self, len(self.data))
+
+    def _saveData(self):
+        _SaveData(self.psk_path, self.data)
+
+    def GetColumnType(self, col):
+        return "string"
+
+    def GetValueByRow(self, row, col):
+        return self.data[row][col]
+
+    def SetValueByRow(self, value, row, col):
+        self.data[row][col] = value
+        self._saveData()
+
+    def GetColumnCount(self):
+        return len(self.data[0]) if self.data else self.columncount
+
+    def GetCount(self):
+        return len(self.data)
+    
+    def GetAttrByRow(self, row, col, attr):
+        if col == 3:
+            attr.SetColour('blue')
+            attr.SetBold(True)
+            return True
+        return False
+
+
+    def Compare(self, item1, item2, col, ascending):
+        if not ascending: # swap sort order?
+            item2, item1 = item1, item2
+        row1 = self.GetRow(item1)
+        row2 = self.GetRow(item2)
+        if col == 0:
+            return cmp(int(self.data[row1][col]), int(self.data[row2][col]))
+        else:
+            return cmp(self.data[row1][col], self.data[row2][col])
+
+    def DeleteRows(self, rows):
+        rows = list(rows)
+        rows.sort(reverse=True)
+        
+        for row in rows:
+            del self.data[row]
+            _DeleteID(self.psk_path, ID)
+            self.RowDeleted(row)
+        self._saveData()
+            
+    def AddRow(self, value):
+        self.data.append(value)
+        self.RowAppended()
+        self._saveData()
+
+colflags = dv.DATAVIEW_COL_RESIZABLE|dv.DATAVIEW_COL_SORTABLE
+
+class IDManager(wx.Panel):
+    def __init__(self, parent, ctr, SelectURICallBack, *args, **kwargs):
+        wx.Panel.__init__(self, parent, -1, size=(400,200))
+
+        self.isManager = SelectURICallBack is None 
+        self.SelectURICallBack = SelectURICallBack
+
+        dvStyle = wx.BORDER_THEME | dv.DV_ROW_LINES
+        if self.isManager :
+            # no multiple selection in selector mode
+            dvStyle |= dv.DV_MULTIPLE
+        self.dvc = dv.DataViewCtrl(self, style = dvStyle)
+                    
+        args = lambda *a,**k:(a,k)
+
+        ColumnsDesc = [
+            args(_("ID"), 0, width = 100),
+            args(_("Last URI"), 1, width = 80),
+            args(_("Description"), 2, width = 200, 
+                mode = dv.DATAVIEW_CELL_EDITABLE 
+                       if self.isManager 
+                       else dv.DATAVIEW_CELL_INERT),
+            args(_("Last connection"),  3, width = 100),
+        ]
+
+        self.model = IDManagerModel(
+            os.path.join(str(ctr.ProjectPath), 'psk'),
+            len(ColumnsDesc))
+        self.dvc.AssociateModel(self.model)
+
+        for a,k in ColumnsDesc:
+            self.dvc.AppendTextColumn(*a,**dict(k, flags = colflags))
+
+        # TODO : when select,
+        #  - update ID field of scheme editor
+        #  - enable use URI button
+
+        self.Sizer = wx.BoxSizer(wx.VERTICAL) 
+        self.Sizer.Add(self.dvc, 1, wx.EXPAND)
+
+        btnbox = wx.BoxSizer(wx.HORIZONTAL)
+        if self.isManager :
+
+            # deletion of secret and metadata
+            deleteButton = wx.Button(self, label=_("Delete ID"))
+            self.Bind(wx.EVT_BUTTON, self.OnDeleteButton, deleteButton)
+            btnbox.Add(deleteButton, 0, wx.LEFT|wx.RIGHT, 5)
+
+            # export all
+            exportButton = wx.Button(self, label=_("Export all"))
+            self.Bind(wx.EVT_BUTTON, self.OnExportButton, exportButton)
+            btnbox.Add(exportButton, 0, wx.LEFT|wx.RIGHT, 5)
+
+            # import with a merge -> duplicates are asked for
+            importButton = wx.Button(self, label=_("Import"))
+            self.Bind(wx.EVT_BUTTON, self.OnImportButton, importButton)
+            btnbox.Add(importButton, 0, wx.LEFT|wx.RIGHT, 5)
+
+        else :
+            # selector mode
+            # use last known URI button
+            # TODO : disable use URI button until something selected
+            selectButton = wx.Button(self, label=_("Use last URI"))
+            self.Bind(wx.EVT_BUTTON, self.OnSelectButton, selectButton)
+            btnbox.Add(selectButton, 0, wx.LEFT|wx.RIGHT, 5)
+
+        self.Sizer.Add(btnbox, 0, wx.TOP|wx.BOTTOM, 5)
+
+    def OnDeleteButton(self, evt):
+        items = self.dvc.GetSelections()
+        rows = [self.model.GetRow(item) for item in items]
+
+        # Ask if user really wants to delete
+        if wx.MessageBox(_('Are you sure to delete selected IDs?'),
+                         _('Delete IDs'),
+                             wx.YES_NO | wx.CENTRE | wx.NO_DEFAULT) != wx.YES:
+            return
+
+        self.model.DeleteRows(rows)
+
+    def OnSelectButton(self, evt):
+        # TODO : call SetURICallback with URI from curent selection.
+        wx.MessageBox(_('?'),
+                      _('Mhe'),
+                      wx.YES_NO | wx.CENTRE | wx.NO_DEFAULT)
+
+    def OnExportButton(self, evt):
+        # TODO 
+        wx.MessageBox(_('?'),
+                      _('Mhe'),
+                      wx.YES_NO | wx.CENTRE | wx.NO_DEFAULT)
+
+    def OnImportButton(self, evt):
+        # TODO 
+        wx.MessageBox(_('?'),
+                      _('Mhe'),
+                      wx.YES_NO | wx.CENTRE | wx.NO_DEFAULT)
+