"""Support for simplified access to data on nodes of type omni.graph.ui.ReadViewportScrollState

Read the state of the last viewport scroll event from the specified viewport. Note that viewport mouse events must be enabled
on the specified viewport using a SetViewportMode node.
"""

import omni.graph.core as og
import omni.graph.core._omni_graph_core as _og
import omni.graph.tools.ogn as ogn
import numpy
class OgnReadViewportScrollStateDatabase(og.Database):
    """Helper class providing simplified access to data on nodes of type omni.graph.ui.ReadViewportScrollState

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.useNormalizedCoords
            inputs.viewport
        Outputs:
            outputs.isValid
            outputs.position
            outputs.scrollValue
    """
    # 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: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.DEFAULT: 'false'}, True, False, False, ''),
        ('inputs:viewport', 'token', 0, 'Viewport', 'Name of the viewport window to watch for scroll events', {ogn.MetadataKeys.DEFAULT: '"Viewport"'}, True, 'Viewport', False, ''),
        ('outputs:isValid', 'bool', 0, 'Is Valid', 'True if a valid event state was detected and the outputs of this node are valid, and false otherwise', {}, True, None, False, ''),
        ('outputs:position', 'double2', 0, 'Position', 'The last position at which a viewport scroll event occurred in the specified viewport', {}, 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, ''),
    ])
    class ValuesForInputs(og.DynamicAttributeAccess):
        LOCAL_PROPERTY_NAMES = {"useNormalizedCoords", "viewport", "_setting_locked", "_batchedReadAttributes", "_batchedReadValues"}
        """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._attributes.useNormalizedCoords, self._attributes.viewport]
            self._batchedReadValues = [False, "Viewport"]

        @property
        def useNormalizedCoords(self):
            return self._batchedReadValues[0]

        @useNormalizedCoords.setter
        def useNormalizedCoords(self, value):
            self._batchedReadValues[0] = value

        @property
        def viewport(self):
            return self._batchedReadValues[1]

        @viewport.setter
        def viewport(self, value):
            self._batchedReadValues[1] = value

        def __getattr__(self, item: str):
            if item in self.LOCAL_PROPERTY_NAMES:
                return object.__getattribute__(self, item)
            else:
                return super().__getattr__(item)

        def __setattr__(self, item: str, new_value):
            if item in self.LOCAL_PROPERTY_NAMES:
                object.__setattr__(self, item, new_value)
            else:
                super().__setattr__(item, new_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 = {"isValid", "position", "scrollValue", "_batchedWriteValues"}
        """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 isValid(self):
            value = self._batchedWriteValues.get(self._attributes.isValid)
            if value:
                return value
            else:
                data_view = og.AttributeValueHelper(self._attributes.isValid)
                return data_view.get()

        @isValid.setter
        def isValid(self, value):
            self._batchedWriteValues[self._attributes.isValid] = value

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

        @position.setter
        def position(self, value):
            self._batchedWriteValues[self._attributes.position] = value

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

        @scrollValue.setter
        def scrollValue(self, value):
            self._batchedWriteValues[self._attributes.scrollValue] = value

        def __getattr__(self, item: str):
            if item in self.LOCAL_PROPERTY_NAMES:
                return object.__getattribute__(self, item)
            else:
                return super().__getattr__(item)

        def __setattr__(self, item: str, new_value):
            if item in self.LOCAL_PROPERTY_NAMES:
                object.__setattr__(self, item, new_value)
            else:
                super().__setattr__(item, new_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 = OgnReadViewportScrollStateDatabase.ValuesForInputs(node, self.attributes.inputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_OUTPUT)
        self.outputs = OgnReadViewportScrollStateDatabase.ValuesForOutputs(node, self.attributes.outputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_STATE)
        self.state = OgnReadViewportScrollStateDatabase.ValuesForState(node, self.attributes.state, dynamic_attributes)
