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import wx

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from zope.interface import Interface, Attribute

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from zope.interface.verify import verifyObject

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from connectors import connectors_dialog, ConnectorDialog, GetConnectorFromURI

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[ID_URIWIZARDDIALOG,ID_URITYPECHOICE] = [wx.NewId() for _init_ctrls in range(2)]

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class IConnectorPanel(Interface):

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    """This is interface for panel of seperate connector type"""

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    uri = Attribute("""uri of connections""")

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    type = Attribute("""type of connector""")

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    def SetURI(uri):

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        """methode for set uri"""

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    def GetURI():

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        """metohde for get uri"""

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class UriLocationEditor(wx.Dialog):

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    def _init_ctrls(self, parent):

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        wx.Dialog.__init__(self, id=ID_URIWIZARDDIALOG,

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              name='UriLocationEditor', parent=parent,

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              title='Uri location')

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        self.UriTypeChoice = wx.Choice(parent=self, id=ID_URIWIZARDDIALOG, choices = self.URITYPES)

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        self.UriTypeChoice.SetSelection(0)

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        self.Bind(wx.EVT_CHOICE, self.OnTypeChoice, self.UriTypeChoice)

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        self.PanelSizer = wx.BoxSizer(wx.HORIZONTAL)

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        self.ButtonSizer = self.CreateButtonSizer(wx.OK|wx.CANCEL)

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    def _init_sizers(self):

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        self.mainSizer = wx.BoxSizer(wx.VERTICAL)

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        typeSizer = wx.BoxSizer(wx.HORIZONTAL)

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        typeSizer.Add(wx.StaticText(self,wx.ID_ANY,"URI type:"), border=5, flag=wx.ALIGN_CENTER_VERTICAL|wx.ALL)

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        typeSizer.Add(self.UriTypeChoice, border=5, flag=wx.ALL)

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        self.mainSizer.Add(typeSizer)

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        self.mainSizer.Add(self.PanelSizer, border=5, flag=wx.ALL)

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        self.mainSizer.Add(self.ButtonSizer, border=5, flag=wx.BOTTOM|wx.ALIGN_CENTER_HORIZONTAL)

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        self.SetSizer(self.mainSizer)

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    def __init__(self, parent, uri):

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        self.URITYPES = ["- Select URI type -"]

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        for connector_type, connector_function in connectors_dialog.iteritems():

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            try:

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                connector_function['function']()

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                self.URITYPES.append(connector_type)

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            except Exception as e:

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                pass

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        self.selected = None

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        self.parrent = parent

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        self.logger = self.parrent.CTR.logger

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        self._init_ctrls(parent)

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        self._init_sizers()

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        self.SetURI(uri)

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        self.CenterOnParent()

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    def OnTypeChoice(self, event):

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        self._removePanelType()

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        index = event.GetSelection()

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        if index > 0:

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            self.selected = event.GetString()

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            self.panelType = self._getConnectorDialog(self.selected)

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            if self.panelType:

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                self.PanelSizer.Add(self.panelType)

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                self.mainSizer.Layout()

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                self.Fit()

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                self.panelType.Refresh()

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    def SetURI(self, uri):

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        self._removePanelType()

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        uri_list = uri.strip().split(":")

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        if uri_list:

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            uri_type = uri_list[0].upper()

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            type = GetConnectorFromURI(uri_type)

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            if type:

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                self.selected = type

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                self.UriTypeChoice.SetStringSelection(self.selected)

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                self.panelType = self._getConnectorDialog(self.selected)

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                if self.panelType:

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                    self.panelType.SetURI(uri)

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                    self.PanelSizer.Add(self.panelType)

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                    self.PanelSizer.Layout()

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                    self.mainSizer.Layout()

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                    self.Fit()

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                    self.panelType.Refresh()

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    def GetURI(self):

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        if not self.selected or not self.panelType:

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            return ""

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        else:

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            return self.panelType.GetURI()

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    def _removePanelType(self):

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        for i in range(self.PanelSizer.GetItemCount()):

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            item = self.PanelSizer.GetItem(i)

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            item.DeleteWindows()

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            self.PanelSizer.Remove(i)

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            self.Fit()

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        self.PanelSizer.Layout()

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    def _getConnectorDialog(self, connectorType):

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        connector = ConnectorDialog(connectorType, self)

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        if connector and IConnectorPanel.providedBy(connector):

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            if verifyObject(IConnectorPanel, connector):

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                return connector

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        else:

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            return None