def OnLayerChangeOpacity(self, event):
"""Opacity of a layer is changing."""
layers = self._layerList.GetSelectedLayers()
if not layers or len(layers) > 1:
return
layer = layers[0]
dlg = SetOpacityDialog(self, opacity=layer.opacity,
title=_("Set opacity of <%s>") % layer.name)
dlg.applyOpacity.connect(lambda value:
self._setLayerOpacity(layer, value))
dlg.CentreOnParent()
if dlg.ShowModal() == wx.ID_OK:
self._setLayerOpacity(layer, dlg.GetOpacity())
dlg.Destroy()
event.Skip()
def OnPopupOpacityLevel(self, event):
"""Popup opacity level indicator"""
cat_id = self.cats_mgr.GetCategories()[self.rightClickedItemIdx]
cat_attrs = self.cats_mgr.GetCategoryAttrs(cat_id)
value = cat_attrs['opacity'] * 100
name = cat_attrs['name']
dlg = SetOpacityDialog(self,
opacity=value,
title=_("Change opacity of class <%s>" % name))
dlg.applyOpacity.connect(lambda value: self._setCatAttrs(
cat_id=cat_id, attrs={'opacity': value}))
dlg.CentreOnParent()
if dlg.ShowModal() == wx.ID_OK:
self._setCatAttrs(cat_id=cat_id, attrs={'opacity': value})
dlg.Destroy()