# ***************************************************************************
# *                                                                         *
# *   Copyright (c) 2016 - Bernd Hahnebach <bernd@bimstatik.org>            *
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# *   This program is free software; you can redistribute it and/or modify  *
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# *   GNU Library General Public License for more details.                  *
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__title__ = "_ViewProviderFemMeshGmsh"
__author__ = "Bernd Hahnebach"
__url__ = "http://www.freecadweb.org"

## @package ViewProviderFemMeshGmsh
#  \ingroup FEM

import FreeCAD
import FreeCADGui
import FemGui


class _ViewProviderFemMeshGmsh:
    "A View Provider for the FemMeshGmsh object"
    def __init__(self, vobj):
        vobj.Proxy = self

    def getIcon(self):
        return ":/icons/fem-fem-mesh-from-shape.svg"

    def attach(self, vobj):
        self.ViewObject = vobj
        self.Object = vobj.Object

    def updateData(self, obj, prop):
        return

    def onChanged(self, vobj, prop):
        return

    def setEdit(self, vobj, mode):
        self.ViewObject.show()  # show the mesh on edit if it is hided
        import _TaskPanelFemMeshGmsh
        taskd = _TaskPanelFemMeshGmsh._TaskPanelFemMeshGmsh(self.Object)
        taskd.obj = vobj.Object
        FreeCADGui.Control.showDialog(taskd)
        return True

    def unsetEdit(self, vobj, mode):
        FreeCADGui.Control.closeDialog()
        return

    def doubleClicked(self, vobj):
        # Group meshing is only active on active analysis, we should make sure the analysis the mesh belongs too is active
        gui_doc = FreeCADGui.getDocument(vobj.Object.Document)
        if not gui_doc.getInEdit():
            # may be go the other way around and just activate the analysis the user has doubleClicked on ?!
            # not a fast one, we need to iterate over all member of all analysis to know to which analyis the object belongs too!!!
            if FemGui.getActiveAnalysis() is not None:
                if FemGui.getActiveAnalysis().Document is FreeCAD.ActiveDocument:
                    if self.Object in FemGui.getActiveAnalysis().Member:
                        if not gui_doc.getInEdit():
                            FreeCAD.Console.PrintError('TaskPanel test not yet implemented\n')
                            # gui_doc.setEdit(vobj.Object.Name)
                        else:
                            FreeCAD.Console.PrintError('Activate the analysis this mesh belongs to!\n')
                    else:
                        print('Mesh does not belong to the active analysis.')
                        for o in gui_doc.Document.Objects:
                            if o.isDerivedFrom('Fem::FemAnalysisPython'):
                                for m in o.Member:
                                    if m == self.Object:
                                        FemGui.setActiveAnalysis(o)
                                        print('Analysis the Mesh belongs too was activated.')
                                        FreeCAD.Console.PrintError('TaskPanel test not yet implemented\n')
                                        # gui_doc.setEdit(vobj.Object.Name)
                                        break
                else:
                    FreeCAD.Console.PrintError('Active Analysis is not in active Document!\n')
            else:
                # no active analysis, we gone have a look if the obj belongs to a non active analysis,
                for o in gui_doc.Document.Objects:
                    if o.isDerivedFrom('Fem::FemAnalysisPython'):
                        for m in o.Member:
                            if m == self.Object:
                                FemGui.setActiveAnalysis(o)
                                print('Analysis the Mesh belongs too was activated.')
                                FreeCAD.Console.PrintError('TaskPanel test not yet implemented\n')
                                # gui_doc.setEdit(vobj.Object.Name)
                                break
                else:
                    print('Mesh GMSH object does not belong to an analysis. Group meshing will is deactivated.')
                    gui_doc.setEdit(vobj.Object.Name)
        else:
            FreeCAD.Console.PrintError('Active Task Dialog found! Please close this one first!\n')
        return True

    def __getstate__(self):
        return None

    def __setstate__(self, state):
        return None