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Viewing changes to Thuban/UI/layerproperties.py

  • Committer: Bazaar Package Importer
  • Author(s): Francesco Paolo Lovergine
  • Date: 2007-04-07 21:03:28 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20070407210328-9a20n4dmbim3c3yc
Tags: 1.2.0-1
* New upstream release.
* Patchset updated.
* Policy bumped to 3.7.2 (no changes).
* Updated for current Python Policy by using python-support.

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Thuban/UI/layerproperties.py
 
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# Copyright (c) 2005 by Intevation GmbH
 
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# Authors:
 
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# Jonathan Coles <jonathan@intevation.de> 
 
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#
 
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# This program is free software under the GPL (>=v2)
 
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# Read the file COPYING coming with Thuban for details.
 
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"""Base class for Layer Properties dialogs"""
 
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__version__ = "$Revision: 2700 $"
 
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# $Source$
 
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# $Id: layerproperties.py 2700 2006-09-18 14:27:02Z dpinte $
 
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from Thuban import _
 
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import wx
 
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from Thuban.Model.messages import MAP_LAYERS_REMOVED, LAYER_SHAPESTORE_REPLACED
 
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from dialogs import NonModalNonParentDialog
 
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from messages import MAP_REPLACED
 
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ID_PROPERTY_REVERT = 4002
 
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ID_PROPERTY_TRY = 4008
 
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ID_PROPERTY_TITLE = 4012
 
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class LayerProperties(NonModalNonParentDialog):
 
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    def __init__(self, parent, name, layer):
 
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        NonModalNonParentDialog.__init__(self, parent, name, "")
 
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        self.SetTitle(layer.Title())
 
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        self.parent.Subscribe(MAP_REPLACED, self.map_replaced)
 
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        self.layer = layer
 
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        self.map = parent.Map()
 
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        self.map.Subscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)
 
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        self.layout_recurse = False
 
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    def dialog_layout(self, *args, **kw):
 
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        if self.layout_recurse: return
 
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        self.layout_recurse = True
 
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        panel = wx.Panel(self, -1)
 
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        topBox = wx.BoxSizer(wx.VERTICAL)
 
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        panelBox = wx.BoxSizer(wx.VERTICAL)
 
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        # Title
 
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        sizer = wx.BoxSizer(wx.HORIZONTAL)
 
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        sizer.Add(wx.StaticText(panel, -1, _("Title: ")),
 
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            0, wx.ALIGN_LEFT | wx.RIGHT | wx.ALIGN_CENTER_VERTICAL, 4)
 
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        text_title = wx.TextCtrl(panel, ID_PROPERTY_TITLE, self.layer.Title())
 
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        text_title.SetInsertionPointEnd()
 
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        sizer.Add(text_title, 1, wx.GROW | wx.RIGHT, 0)
 
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        panelBox.Add(sizer, 0, wx.GROW | wx.ALL, 4)
 
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        # Type
 
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        panelBox.Add(wx.StaticText(panel, -1,
 
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            _("Layer Type: %s") % self.layer.Type()),
 
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            0, wx.ALIGN_LEFT | wx.ALL, 4)
 
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        # Projection
 
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        proj = self.layer.GetProjection()
 
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        if proj is None:
 
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            text = _("Projection: None")
 
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        else:
 
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            text = _("Projection: %s") % proj.Label()
 
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        panelBox.Add(wx.StaticText(panel, -1, text), 0, wx.ALIGN_LEFT | wx.ALL, 4)
 
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        self.dialog_layout(panel, panelBox)
 
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        button_try = wx.Button(self, ID_PROPERTY_TRY, _("Try"))
 
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        button_revert = wx.Button(self, ID_PROPERTY_REVERT, _("Revert"))
 
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        button_ok = wx.Button(self, wx.ID_OK, _("OK"))
 
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        button_close = wx.Button(self, wx.ID_CANCEL, _("Close"))
 
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        button_ok.SetDefault()
 
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        buttonBox = wx.BoxSizer(wx.HORIZONTAL)
 
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        buttonBox.Add(button_try, 0, wx.RIGHT|wx.EXPAND, 10)
 
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        buttonBox.Add(button_revert, 0, wx.RIGHT|wx.EXPAND, 10)
 
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        buttonBox.Add(button_ok, 0, wx.RIGHT|wx.EXPAND, 10)
 
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        buttonBox.Add(button_close, 0, wx.RIGHT|wx.EXPAND, 0)
 
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        panel.SetAutoLayout(True)
 
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        panel.SetSizer(panelBox)
 
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        panelBox.Fit(panel)
 
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        panelBox.SetSizeHints(panel)
 
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        topBox.Add(panel, 1, wx.GROW | wx.ALL, 4)
 
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        topBox.Add(buttonBox, 0, wx.ALIGN_RIGHT|wx.ALL, 10)
 
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        self.SetAutoLayout(True)
 
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        self.SetSizer(topBox)
 
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        topBox.Fit(self)
 
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        topBox.SetSizeHints(self)
 
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        self.Layout()
 
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        ###########
 
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        self.Bind(wx.EVT_TEXT, self.OnTitleChanged, id=ID_PROPERTY_TITLE)
 
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        self.Bind(wx.EVT_BUTTON, self.OnOK, id=wx.ID_OK)
 
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        self.Bind(wx.EVT_BUTTON, self.OnTry, id=ID_PROPERTY_TRY)
 
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        self.Bind(wx.EVT_BUTTON, self.OnCloseBtn, id=wx.ID_CANCEL)
 
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        self.Bind(wx.EVT_BUTTON, self.OnRevert, id=ID_PROPERTY_REVERT)
 
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        ######################
 
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        text_title.SetFocus()
 
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        self.haveApplied = False
 
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    def unsubscribe_messages(self):
 
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        """Unsubscribe from all messages."""
 
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        self.parent.Unsubscribe(MAP_REPLACED, self.map_replaced)
 
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        self.map.Unsubscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)
 
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    def map_layers_removed(self):
 
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        """Subscribed to MAP_LAYERS_REMOVED. If this layer was removed,
 
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        Close self.
 
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        """
 
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        if self.layer not in self.map.Layers():
 
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            self.Close()
 
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    def map_replaced(self, *args):
 
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        """Subscribed to the mainwindow's MAP_REPLACED message. Close self."""
 
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        self.Close()
 
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    def OnTry(self, event):
 
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        return
 
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    def OnOK(self, event):
 
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        self.Close()
 
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    def OnClose(self, event):
 
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        self.unsubscribe_messages()
 
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        NonModalNonParentDialog.OnClose(self, event)
 
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    def OnCloseBtn(self, event):
 
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        """Close is similar to Cancel except that any changes that were
 
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        made and applied remain applied.
 
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        """
 
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        self.Close()
 
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    def OnRevert(self, event):
 
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        return
 
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    def SetTitle(self, title):
 
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        """Set the title of the dialog."""
 
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        if title != "":
 
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            title = ": " + title
 
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        NonModalNonParentDialog.SetTitle(self, _("Layer Properties") + title)
 
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    def OnTitleChanged(self, event):
 
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        """Update the dialog title when the user changed the layer name."""
 
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        obj = event.GetEventObject()
 
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        self.layer.SetTitle(obj.GetValue())
 
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        self.SetTitle(self.layer.Title())
 
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