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# Source code for camelot.view.controls.editors.manytomanyeditor

    #  ============================================================================
    #
    #  Copyright (C) 2007-2011 Conceptive Engineering bvba. All rights reserved.
    #  www.conceptive.be / project-camelot@conceptive.be
    #
    #  This file is part of the Camelot Library.
    #
    #  This file may be used under the terms of the GNU General Public
    #  License version 2.0 as published by the Free Software Foundation
    #  and appearing in the file license.txt included in the packaging of
    #  this file.  Please review this information to ensure GNU
    #  General Public Licensing requirements will be met.
    #
    #  If you are unsure which license is appropriate for your use, please
    #  visit www.python-camelot.com or contact project-camelot@conceptive.be
    #
    #  This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    #  WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    #
    #  For use of this library in commercial applications, please contact
    #  project-camelot@conceptive.be
    #
    #  ============================================================================

    from PyQt4 import QtGui

    from one2manyeditor import One2ManyEditor
    from abstractmanytooneeditor import AbstractManyToOneEditor

    from camelot.view.art import Icon
    from camelot.view.model_thread import model_function, post
    from camelot.core.utils import ugettext as _

    class ManyToManyEditor( One2ManyEditor, AbstractManyToOneEditor ):

        remove_icon = Icon( 'tango/16x16/actions/list-remove.png' )
        add_icon = Icon( 'tango/16x16/actions/list-add.png' )

        def setupButtons( self, layout, _table ):
            button_layout = QtGui.QVBoxLayout()
            button_layout.setSpacing( 0 )

            self.remove_button = QtGui.QToolButton()
            self.remove_button.setIcon( self.remove_icon.getQIcon() )
            self.remove_button.setAutoRaise( True )
            self.remove_button.setToolTip(_('Remove'))
            self.remove_button.setFixedHeight( self.get_height() )
            self.remove_button.clicked.connect(self.removeSelectedRows)

            self.add_button = QtGui.QToolButton()
            self.add_button.setIcon( self.add_icon.getQIcon() )
            self.add_button.setAutoRaise( True )
            self.add_button.setToolTip(_('Add'))
            self.add_button.setFixedHeight( self.get_height() )
            self.add_button.clicked.connect(self.createSelectView)

            """
            self.delete_button = QtGui.QToolButton()
            self.delete_button.setIcon( self.delete_icon.getQIcon() )
            self.delete_button.setAutoRaise( True )
            self.delete_button.setToolTip(_('Delete'))
            table = self.findChild(QtGui.QWidget, 'table')
            if table:
                self.delete_button.clicked.connect( table.delete_selected_rows )
            """
            self.new_button = QtGui.QToolButton()
            self.new_button.setIcon( self.new_icon.getQIcon() )
            self.new_button.setAutoRaise( True )
            self.new_button.setToolTip(_('New'))
            self.new_button.clicked.connect(self.newRow)
            """
            self.copy_button = QtGui.QToolButton()
            self.copy_button.setIcon( self.copy_icon.getQIcon() )
            self.copy_button.setAutoRaise( True )
            self.copy_button.setToolTip(_('Copy'))
            if table:
                self.copy_button.clicked.connect( table.copy_selected_rows )
            """
            export_button = QtGui.QToolButton()
            export_button.setIcon( self.spreadsheet_icon.getQIcon() )
            export_button.setAutoRaise( True )
            export_button.setToolTip(_('Export as spreadsheet'))
            export_button.clicked.connect(self.exportToExcel)

            button_layout.addStretch()
            button_layout.addWidget( self.add_button )
            button_layout.addWidget( self.remove_button )
            button_layout.addSpacing( 8 )
            button_layout.addWidget( self.new_button )
            #button_layout.addWidget( self.copy_button )
            #button_layout.addWidget( self.delete_button )
            button_layout.addWidget( export_button )
            layout.addLayout( button_layout )

        def set_field_attributes(self, editable=True, **kwargs):
            self.add_button.setEnabled(editable)
            self.remove_button.setEnabled(editable)

        def selectEntity( self, entity_instance_getter ):

            @model_function
            def insert():
                o = entity_instance_getter()
                self.model.append_object( o )

            post( insert, self.emit_editing_finished )

        def emit_editing_finished(self, *args):
            self.editingFinished.emit()

        def removeSelectedRows( self ):
            """Remove the selected rows in this tableview, but don't delete them"""
            table = self.findChild(QtGui.QWidget, 'table')
            if table:
                self.model.remove_rows( set( map( lambda x: x.row(), table.selectedIndexes() ) ), delete=False)
                self.editingFinished.emit()

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