Ejemplo n.º 1
0
  class SqlPage:
    name="SQL"
    order=800

    def __init__(self, notebook):
      from _sqledit import SqlEditor
      self.control=SqlEditor(notebook)
      self.control.SetMarginWidth(1, 2)
      self.notebook=notebook
      self.lastNode=None
    
    def GetControl(self):
      return self.control
  
    def Display(self, node, _detached):
      if hasattr(node, "GetSql"):
        sql=node.GetSql().strip().replace("\n\r", "\n").replace("\r\n", "\n")
      else:
        sql=xlt("No SQL query available.")
      self.control.SetReadOnly(False)
      self.control.SetValue(sql)
      self.control.SetReadOnly(True)
      self.control.SetSelection(0,0)
Ejemplo n.º 2
0
class FilterPanel(adm.NotebookPanel):
  def __init__(self, dlg, notebook):
    adm.NotebookPanel.__init__(self, dlg, notebook)
    self.Bind("LimitCheck", self.OnLimitCheck)
    self.Bind("FilterCheck", self.OnFilterCheck)
    self.Bind("FilterValidate", self.OnFilterValidate)
    self.FilterValue.BindProcs(self.OnFilterValueChanged, None)
    self.Bind("FilterPreset", wx.EVT_COMBOBOX, self.OnPresetSelect)
    self.Bind("FilterPreset", wx.EVT_TEXT, self.OnPresetChange)
    self.Bind("FilterSave", self.OnFilterSave)
    self['SortCols'].Bind(wx.EVT_LISTBOX_DCLICK, self.OnDclickSort)
    # TODO unfortunately we need 3.x here
    if True: # wx.Platform == "__WXMAC__" and wx.VERSION < (3,0):
      event=wx.EVT_LEFT_DOWN
    else:
      event=wx.EVT_MOTION
    self['DisplayCols'].Bind(event, self.OnBeginDrag)
    self['SortCols'].Bind(event, self.OnBeginDrag)
    self['DisplayCols'].Bind(wx.EVT_CHECKLISTBOX, self.OnClickCol)
    self.OnLimitCheck()
    self.OnFilterCheck()
    self.valid=True
    self.dialog=dlg
    self.EnableControls("FilterPreset", dlg.querypreset_table)
    self.EnableControls("FilterSave", False)

  def AddExtraControls(self, res):
    self.FilterValue=SqlEditor(self)
    res.AttachUnknownControl("FilterValuePlaceholder", self.FilterValue)
    self.FilterValue.SetMarginWidth(1, 0)

  def OnPresetSelect(self, evt):
    preset=self.FilterPreset.strip()
    if not preset:
      return
    query=pgQuery(self.dialog.querypreset_table, self.dialog.server.GetCursor())
    query.AddCol('querylimit')
    query.AddCol('filter')
    query.AddCol('sort')
    query.AddCol('display')
    query.AddCol('sql')
    query.AddWhere('dbname', self.tableSpecs.dbName)
    query.AddWhere('tabname', self.tableSpecs.tabName)
    query.AddWhere('presetname', preset)
    
    res=query.Select()
    for row in res:
      limit=row['querylimit']
      filter=row['filter']
      sort=evalAsPython(row['sort'])
      display=evalAsPython(row['display'])
      sql=row['sql']
      if limit:
        self.LimitCheck=True
        self.OnLimitCheck()
        self.LimitValue=limit
      else:
        self.LimitCheck=False
      if sql:
        self.dialog.editor.SetText(sql)
      
      if sort:
        sc=self['SortCols']
        sc.Clear()
        cols=self.tableSpecs.colNames[:]
        for col in sort:
          if col.endswith(' DESC'): colpure=col[:-5]
          else:                     colpure=col
          if colpure in cols:
            id=sc.Append(col)
            sc.Check(id, True)
            cols.remove(colpure)
        sc.AppendItems(cols)
      if display:
        dc=self['DisplayCols']
        dc.Clear()
        cols=self.tableSpecs.colNames[:]
        for col in display:
          if col in cols:
            id=dc.Append(col)
            dc.Check(id, True)
            cols.remove(col)
        dc.AppendItems(cols)
          
      if filter:
        self.FilterCheck=True
        self.OnFilterCheck()
        self.FilterValue.SetText(filter)
        self.OnFilterValidate(evt)
      else:
        self.FilterCheck=False

      break # only one row, hopefully
    
    self.OnPresetChange(evt)
    
  def OnPresetChange(self, evt):
    self.EnableControls("FilterSave", self.FilterPreset)
    
  def OnClickCol(self, evt):
    if evt.String in self.dialog.tableSpecs.keyCols:
      # don't un-display key colums; we need them
      evt.EventObject.Check(evt.Selection, True)
    pass
  
  def OnBeginDrag(self, evt):
    if evt.GetPosition().x < 30 or not evt.LeftDown():
      evt.Skip()
      return
    
    lb=evt.EventObject
    i=lb.HitTest(evt.GetPosition())
    if i >= 0:
      lb.SetDropTarget(TextDropTarget(lb))
      data=wx.PyTextDataObject(str(i))
      ds=wx.DropSource(lb)
      ds.SetData(data)
      ds.DoDragDrop(False)
      lb.SetDropTarget(None)
    
  def OnDclickSort(self, evt):
    colname=self['SortCols'].GetString(evt.Selection)
    if colname.endswith(" DESC"):
      colname=colname[:-5]
    else:
      colname = colname+" DESC"
    self['SortCols'].SetString(evt.Selection, colname)
  
  
  def OnFilterSave(self, evt):
    preset=self.FilterPreset
    if self.LimitCheck:   limit=self.LimitValue
    else:                 limit=None
    if self.FilterCheck:  filter=self.FilterValue.GetText()
    else:                 filter=None
    sort=self['SortCols'].GetCheckedStrings()
    display=self['DisplayCols'].GetCheckedStrings()
    sql=self.dialog.editor.GetText()
    
    query=pgQuery(self.dialog.querypreset_table, self.dialog.server.GetCursor())
    query.AddColVal('querylimit', limit)
    query.AddColVal('filter', filter)
    query.AddColVal('sort', unicode(sort))
    query.AddColVal('display', unicode(display))
    query.AddColVal('sql', sql)
    
    fp=self['FilterPreset']
    if fp.FindString(preset) < 0:
      query.AddColVal('dbname', self.tableSpecs.dbName)
      query.AddColVal('tabname', self.tableSpecs.tabName)
      query.AddColVal('presetname', preset)
      query.Insert()
      fp.Append(preset)
    else:
      query.AddWhere('dbname', self.tableSpecs.dbName)
      query.AddWhere('tabname', self.tableSpecs.tabName)
      query.AddWhere('presetname', preset)
      query.Update()
    
  def OnLimitCheck(self, evt=None):
    self.EnableControls("LimitValue", self.LimitCheck)

  def OnFilterCheck(self, evt=None):
    self.EnableControls("FilterValidate", self.FilterCheck)
    self.FilterValue.Enable(self.FilterCheck)
    self.OnFilterValueChanged(evt)

  def OnFilterValueChanged(self, evt):
    self.valid=not self.FilterCheck
    self.dialog.updateMenu()
  
  def OnFilterValidate(self, evt):
    self.valid=False
    
    sql="EXPLAIN " + self.GetQuery()
    cursor=self.tableSpecs.GetCursor()
    cursor.ExecuteSet(sql)  # will throw and show exception if invalid

    self.dialog.SetStatus(xlt("Filter expression valid"))
    self.valid=True
    self.dialog.updateMenu()

  def Go(self, tableSpecs):
    self.tableSpecs=tableSpecs
    dc=self['DisplayCols']
    sc=self['SortCols']
    
    for colName in self.tableSpecs.colNames:
      i=dc.Append(colName)
      dc.Check(i, True)
      i=sc.Append(colName)
      if colName in self.tableSpecs.keyCols:
        sc.Check(i, True)
    if self.dialog.querypreset_table:
      query=pgQuery(self.dialog.querypreset_table, self.dialog.server.GetCursor())
      query.AddCol('presetname')
      query.AddWhere('dbname', self.tableSpecs.dbName)
      query.AddWhere('tabname', self.tableSpecs.tabName)
      query.AddOrder('presetname')
      res=query.Select()
      fp=self['FilterPreset']
      for row in res:
        fp.Append(row[0])
      
      default=fp.FindString('default')
      if id >= 0:
        fp.SetSelection(default)
        self.OnPresetSelect(None)
        
  def GetQuery(self):
    query=pgQuery(self.tableSpecs.tabName)
    for colName in self['DisplayCols'].GetCheckedStrings():
      query.AddCol(colName, True)
    for colName in self['SortCols'].GetCheckedStrings():
      if colName.endswith(' DESC'):
        query.AddOrder(query.quoteIdent(colName[:-5]) + " DESC", False)
      else:
        query.AddOrder(colName, True)
    if self.FilterCheck:
      filter=self.FilterValue.GetText().strip()
      query.AddWhere(filter)
    
    sql= query.SelectQueryString()
    if self.LimitCheck:
      sql += "\n LIMIT %d" % self.LimitValue
    return sql