"""Support for simplified access to data on nodes of type omni.graph.ui_nodes.OnViewportScrolled

Event node which fires when a viewport scroll event occurs in the specified viewport. Note that viewport mouse events must
be enabled on the specified viewport using a SetViewportMode node.
"""

import numpy

import omni.graph.core as og
import omni.graph.core._omni_graph_core as _og
import omni.graph.tools.ogn as ogn



class OgnOnViewportScrolledDatabase(og.Database):
    """Helper class providing simplified access to data on nodes of type omni.graph.ui_nodes.OnViewportScrolled

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.onlyPlayback
            inputs.useNormalizedCoords
            inputs.viewport
        Outputs:
            outputs.position
            outputs.scrollValue
            outputs.scrolled
    """

    # Imprint the generator and target ABI versions in the file for JIT generation
    GENERATOR_VERSION = (1, 41, 3)
    TARGET_VERSION = (2, 139, 12)

    # This is an internal object that provides per-class storage of a per-node data dictionary
    PER_NODE_DATA = {}

    # This is an internal object that describes unchanging attributes in a generic way
    # The values in this list are in no particular order, as a per-attribute tuple
    #     Name, Type, ExtendedTypeIndex, UiName, Description, Metadata,
    #     Is_Required, DefaultValue, Is_Deprecated, DeprecationMsg
    # You should not need to access any of this data directly, use the defined database interfaces
    INTERFACE = og.Database._get_interface([
        ('inputs:onlyPlayback', 'bool', 0, 'Only Simulate On Play', 'When true, the node is only computed while Stage is being played', {ogn.MetadataKeys.LITERAL_ONLY: '1', ogn.MetadataKeys.DEFAULT: 'true'}, True, True, False, ''),
        ('inputs:useNormalizedCoords', 'bool', 0, 'Use Normalized Coords', 'When true, the components of the 2D position output are scaled to between 0 and 1,\nwhere 0 is top/left and 1 is bottom/right.\nWhen false, components are in viewport render resolution pixels.', {ogn.MetadataKeys.LITERAL_ONLY: '1', ogn.MetadataKeys.DEFAULT: 'false'}, True, False, False, ''),
        ('inputs:viewport', 'token', 0, 'Viewport', 'Name of the viewport window to watch for scroll events', {ogn.MetadataKeys.LITERAL_ONLY: '1', ogn.MetadataKeys.DEFAULT: '"Viewport"'}, True, "Viewport", False, ''),
        ('outputs:position', 'double2', 0, 'Position', 'The position at which the viewport scroll event occurred', {}, True, None, False, ''),
        ('outputs:scrollValue', 'float', 0, 'Scroll Value', 'The number of mouse wheel clicks scrolled up if positive, or scrolled down if negative', {}, True, None, False, ''),
        ('outputs:scrolled', 'execution', 0, 'Scrolled', 'Enabled when a viewport scroll event occurs in the specified viewport', {}, True, None, False, ''),
    ])

    @classmethod
    def _populate_role_data(cls):
        """Populate a role structure with the non-default roles on this node type"""
        role_data = super()._populate_role_data()
        role_data.outputs.scrolled = og.AttributeRole.EXECUTION
        return role_data

    class ValuesForInputs(og.DynamicAttributeAccess):
        LOCAL_PROPERTY_NAMES = { }
        """Helper class that creates natural hierarchical access to input attributes"""
        def __init__(self, node: og.Node, attributes, dynamic_attributes: og.DynamicAttributeInterface):
            """Initialize simplified access for the attribute data"""
            context = node.get_graph().get_default_graph_context()
            super().__init__(context, node, attributes, dynamic_attributes)
            self._batchedReadAttributes = []
            self._batchedReadValues = []

        @property
        def onlyPlayback(self):
            data_view = og.AttributeValueHelper(self._attributes.onlyPlayback)
            return data_view.get()

        @onlyPlayback.setter
        def onlyPlayback(self, value):
            if self._setting_locked:
                raise og.ReadOnlyError(self._attributes.onlyPlayback)
            data_view = og.AttributeValueHelper(self._attributes.onlyPlayback)
            data_view.set(value)

        @property
        def useNormalizedCoords(self):
            data_view = og.AttributeValueHelper(self._attributes.useNormalizedCoords)
            return data_view.get()

        @useNormalizedCoords.setter
        def useNormalizedCoords(self, value):
            if self._setting_locked:
                raise og.ReadOnlyError(self._attributes.useNormalizedCoords)
            data_view = og.AttributeValueHelper(self._attributes.useNormalizedCoords)
            data_view.set(value)

        @property
        def viewport(self):
            data_view = og.AttributeValueHelper(self._attributes.viewport)
            return data_view.get()

        @viewport.setter
        def viewport(self, value):
            if self._setting_locked:
                raise og.ReadOnlyError(self._attributes.viewport)
            data_view = og.AttributeValueHelper(self._attributes.viewport)
            data_view.set(value)

        def _prefetch(self):
            readAttributes = self._batchedReadAttributes
            newValues = _og._prefetch_input_attributes_data(readAttributes)
            if len(readAttributes) == len(newValues):
                self._batchedReadValues = newValues

    class ValuesForOutputs(og.DynamicAttributeAccess):
        LOCAL_PROPERTY_NAMES = { }
        """Helper class that creates natural hierarchical access to output attributes"""
        def __init__(self, node: og.Node, attributes, dynamic_attributes: og.DynamicAttributeInterface):
            """Initialize simplified access for the attribute data"""
            context = node.get_graph().get_default_graph_context()
            super().__init__(context, node, attributes, dynamic_attributes)
            self._batchedWriteValues = { }

        @property
        def position(self):
            data_view = og.AttributeValueHelper(self._attributes.position)
            return data_view.get()

        @position.setter
        def position(self, value):
            data_view = og.AttributeValueHelper(self._attributes.position)
            data_view.set(value)

        @property
        def scrollValue(self):
            data_view = og.AttributeValueHelper(self._attributes.scrollValue)
            return data_view.get()

        @scrollValue.setter
        def scrollValue(self, value):
            data_view = og.AttributeValueHelper(self._attributes.scrollValue)
            data_view.set(value)

        @property
        def scrolled(self):
            data_view = og.AttributeValueHelper(self._attributes.scrolled)
            return data_view.get()

        @scrolled.setter
        def scrolled(self, value):
            data_view = og.AttributeValueHelper(self._attributes.scrolled)
            data_view.set(value)

        def _commit(self):
            _og._commit_output_attributes_data(self._batchedWriteValues)
            self._batchedWriteValues = { }

    class ValuesForState(og.DynamicAttributeAccess):
        """Helper class that creates natural hierarchical access to state attributes"""
        def __init__(self, node: og.Node, attributes, dynamic_attributes: og.DynamicAttributeInterface):
            """Initialize simplified access for the attribute data"""
            context = node.get_graph().get_default_graph_context()
            super().__init__(context, node, attributes, dynamic_attributes)

    def __init__(self, node):
        super().__init__(node)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_INPUT)
        self.inputs = OgnOnViewportScrolledDatabase.ValuesForInputs(node, self.attributes.inputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_OUTPUT)
        self.outputs = OgnOnViewportScrolledDatabase.ValuesForOutputs(node, self.attributes.outputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_STATE)
        self.state = OgnOnViewportScrolledDatabase.ValuesForState(node, self.attributes.state, dynamic_attributes)
