Class: AsposeCellsCloud::Trendline

Inherits:
Object
  • Object
show all
Defined in:
lib/aspose_cells_cloud/models/trendline.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}) ⇒ Trendline

Initializes the object

Parameters:

  • attributes (Hash) (defaults to: {}) —

    Model attributes in the form of hash



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 177

def initialize(attributes = {})
  return unless attributes.is_a?(Hash)

  # convert string to symbol for hash key
  attributes = attributes.each_with_object({}){|(k,v), h| h[k.to_sym] = v}

  if attributes.has_key?(:'link')
      self.link = attributes[:'link']
  end
  if attributes.has_key?(:'Backward')
      self.backward = attributes[:'Backward']
  end
  if attributes.has_key?(:'DataLabels')
      self.data_labels = attributes[:'DataLabels']
  end
  if attributes.has_key?(:'DisplayEquation')
      self.display_equation = attributes[:'DisplayEquation']
  end
  if attributes.has_key?(:'DisplayRSquared')
      self.display_r_squared = attributes[:'DisplayRSquared']
  end
  if attributes.has_key?(:'Forward')
      self.forward = attributes[:'Forward']
  end
  if attributes.has_key?(:'Intercept')
      self.intercept = attributes[:'Intercept']
  end
  if attributes.has_key?(:'IsNameAuto')
      self.is_name_auto = attributes[:'IsNameAuto']
  end
  if attributes.has_key?(:'LegendEntry')
      self.legend_entry = attributes[:'LegendEntry']
  end
  if attributes.has_key?(:'Name')
      self.name = attributes[:'Name']
  end
  if attributes.has_key?(:'Order')
      self.order = attributes[:'Order']
  end
  if attributes.has_key?(:'Period')
      self.period = attributes[:'Period']
  end
  if attributes.has_key?(:'Type')
      self.type = attributes[:'Type']
  end
  if attributes.has_key?(:'BeginArrowLength')
      self.begin_arrow_length = attributes[:'BeginArrowLength']
  end
  if attributes.has_key?(:'BeginArrowWidth')
      self.begin_arrow_width = attributes[:'BeginArrowWidth']
  end
  if attributes.has_key?(:'BeginType')
      self.begin_type = attributes[:'BeginType']
  end
  if attributes.has_key?(:'CapType')
      self.cap_type = attributes[:'CapType']
  end
  if attributes.has_key?(:'Color')
      self.color = attributes[:'Color']
  end
  if attributes.has_key?(:'CompoundType')
      self.compound_type = attributes[:'CompoundType']
  end
  if attributes.has_key?(:'DashType')
      self.dash_type = attributes[:'DashType']
  end
  if attributes.has_key?(:'EndArrowLength')
      self.end_arrow_length = attributes[:'EndArrowLength']
  end
  if attributes.has_key?(:'EndArrowWidth')
      self.end_arrow_width = attributes[:'EndArrowWidth']
  end
  if attributes.has_key?(:'EndType')
      self.end_type = attributes[:'EndType']
  end
  if attributes.has_key?(:'GradientFill')
      self.gradient_fill = attributes[:'GradientFill']
  end
  if attributes.has_key?(:'IsAuto')
      self.is_auto = attributes[:'IsAuto']
  end
  if attributes.has_key?(:'IsAutomaticColor')
      self.is_automatic_color = attributes[:'IsAutomaticColor']
  end
  if attributes.has_key?(:'IsVisible')
      self.is_visible = attributes[:'IsVisible']
  end
  if attributes.has_key?(:'JoinType')
      self.join_type = attributes[:'JoinType']
  end
  if attributes.has_key?(:'Style')
      self.style = attributes[:'Style']
  end
  if attributes.has_key?(:'Transparency')
      self.transparency = attributes[:'Transparency']
  end
  if attributes.has_key?(:'Weight')
      self.weight = attributes[:'Weight']
  end
  if attributes.has_key?(:'WeightPt')
      self.weight_pt = attributes[:'WeightPt']
  end

end

Instance Attribute Details

#backward ⇒ Object

Returns or sets the number of periods (or units on a scatter chart) that the trendline extends backward. The number of periods must be greater than or equal to zero. If the chart type is column ,the number of periods must be between 0 and 0.5



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 37

def backward
  @backward
end

#begin_arrow_length ⇒ Object

Returns the value of attribute begin_arrow_length.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 61

def begin_arrow_length
  @begin_arrow_length
end

#begin_arrow_width ⇒ Object

Returns the value of attribute begin_arrow_width.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 63

def begin_arrow_width
  @begin_arrow_width
end

#begin_type ⇒ Object

Returns the value of attribute begin_type.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 65

def begin_type
  @begin_type
end

#cap_type ⇒ Object

Returns the value of attribute cap_type.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 67

def cap_type
  @cap_type
end

#color ⇒ Object

Returns the value of attribute color.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 69

def color
  @color
end

#compound_type ⇒ Object

Returns the value of attribute compound_type.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 71

def compound_type
  @compound_type
end

#dash_type ⇒ Object

Returns the value of attribute dash_type.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 73

def dash_type
  @dash_type
end

#data_labels ⇒ Object

Represents the DataLabels object for the specified series.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 39

def data_labels
  @data_labels
end

#display_equation ⇒ Object

Represents if the equation for the trendline is displayed on the chart (in the same data label as the R-squared value). Setting this property to True automatically turns on data labels.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 41

def display_equation
  @display_equation
end

#display_r_squared ⇒ Object

Represents if the R-squared value of the trendline is displayed on the chart (in the same data label as the equation). Setting this property to True automatically turns on data labels.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 43

def display_r_squared
  @display_r_squared
end

#end_arrow_length ⇒ Object

Returns the value of attribute end_arrow_length.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 75

def end_arrow_length
  @end_arrow_length
end

#end_arrow_width ⇒ Object

Returns the value of attribute end_arrow_width.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 77

def end_arrow_width
  @end_arrow_width
end

#end_type ⇒ Object

Returns the value of attribute end_type.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 79

def end_type
  @end_type
end

#forward ⇒ Object

Returns or sets the number of periods (or units on a scatter chart) that the trendline extends forward. The number of periods must be greater than or equal to zero.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 45

def forward
  @forward
end

#gradient_fill ⇒ Object

Returns the value of attribute gradient_fill.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 81

def gradient_fill
  @gradient_fill
end

#intercept ⇒ Object

Returns or sets the point where the trendline crosses the value axis.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 47

def intercept
  @intercept
end

#is_auto ⇒ Object

Returns the value of attribute is_auto.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 83

def is_auto
  @is_auto
end

#is_automatic_color ⇒ Object

Returns the value of attribute is_automatic_color.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 85

def is_automatic_color
  @is_automatic_color
end

#is_name_auto ⇒ Object

Returns if Microsoft Excel automatically determines the name of the trendline.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 49

def is_name_auto
  @is_name_auto
end

#is_visible ⇒ Object

Returns the value of attribute is_visible.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 87

def is_visible
  @is_visible
end

#join_type ⇒ Object

Returns the value of attribute join_type.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 89

def join_type
  @join_type
end

#legend_entry ⇒ Object

Gets the legend entry according to this trendline



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 51

def legend_entry
  @legend_entry
end

#link ⇒ Object

Returns the value of attribute link.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 35

def link
  @link
end

#name ⇒ Object

Returns the name of the trendline.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 53

def name
  @name
end

#order ⇒ Object

Returns or sets the trendline order (an integer greater than 1) when the trendline type is Polynomial. The order must be between 2 and 6.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 55

def order
  @order
end

#period ⇒ Object

Returns or sets the period for the moving-average trendline.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 57

def period
  @period
end

#style ⇒ Object

Returns the value of attribute style.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 91

def style
  @style
end

#transparency ⇒ Object

Returns the value of attribute transparency.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 93

def transparency
  @transparency
end

#type ⇒ Object

Returns the trendline type.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 59

def type
  @type
end

#weight ⇒ Object

Returns the value of attribute weight.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 95

def weight
  @weight
end

#weight_pt ⇒ Object

Returns the value of attribute weight_pt.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 97

def weight_pt
  @weight_pt
end

Class Method Details

.attribute_map ⇒ Object

Attribute mapping from ruby-style variable name to JSON key.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 100

def self.attribute_map
  {
    :'link' => :'link',
    :'backward' => :'Backward',
    :'data_labels' => :'DataLabels',
    :'display_equation' => :'DisplayEquation',
    :'display_r_squared' => :'DisplayRSquared',
    :'forward' => :'Forward',
    :'intercept' => :'Intercept',
    :'is_name_auto' => :'IsNameAuto',
    :'legend_entry' => :'LegendEntry',
    :'name' => :'Name',
    :'order' => :'Order',
    :'period' => :'Period',
    :'type' => :'Type',
    :'begin_arrow_length' => :'BeginArrowLength',
    :'begin_arrow_width' => :'BeginArrowWidth',
    :'begin_type' => :'BeginType',
    :'cap_type' => :'CapType',
    :'color' => :'Color',
    :'compound_type' => :'CompoundType',
    :'dash_type' => :'DashType',
    :'end_arrow_length' => :'EndArrowLength',
    :'end_arrow_width' => :'EndArrowWidth',
    :'end_type' => :'EndType',
    :'gradient_fill' => :'GradientFill',
    :'is_auto' => :'IsAuto',
    :'is_automatic_color' => :'IsAutomaticColor',
    :'is_visible' => :'IsVisible',
    :'join_type' => :'JoinType',
    :'style' => :'Style',
    :'transparency' => :'Transparency',
    :'weight' => :'Weight',
    :'weight_pt' => :'WeightPt'
  }
end

.swagger_types ⇒ Object

Attribute type mapping.



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 138

def self.swagger_types
  {
    :'link' => :'Link',
    :'backward' => :'Float',
    :'data_labels' => :'LinkElement',
    :'display_equation' => :'BOOLEAN',
    :'display_r_squared' => :'BOOLEAN',
    :'forward' => :'Float',
    :'intercept' => :'Float',
    :'is_name_auto' => :'BOOLEAN',
    :'legend_entry' => :'LinkElement',
    :'name' => :'String',
    :'order' => :'Integer',
    :'period' => :'Integer',
    :'type' => :'String',
    :'begin_arrow_length' => :'String',
    :'begin_arrow_width' => :'String',
    :'begin_type' => :'String',
    :'cap_type' => :'String',
    :'color' => :'Color',
    :'compound_type' => :'String',
    :'dash_type' => :'String',
    :'end_arrow_length' => :'String',
    :'end_arrow_width' => :'String',
    :'end_type' => :'String',
    :'gradient_fill' => :'GradientFill',
    :'is_auto' => :'BOOLEAN',
    :'is_automatic_color' => :'BOOLEAN',
    :'is_visible' => :'BOOLEAN',
    :'join_type' => :'String',
    :'style' => :'String',
    :'transparency' => :'Float',
    :'weight' => :'String',
    :'weight_pt' => :'Float'
  }
end

Instance Method Details

#==(o) ⇒ Object

Checks equality by comparing each attribute.

Parameters:

  • Object (Object) —

    to be compared



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 426

def ==(o)
  return true if self.equal?(o)
  self.class == o.class &&
      link == o.link &&
      backward == o.backward &&
      data_labels == o.data_labels &&
      display_equation == o.display_equation &&
      display_r_squared == o.display_r_squared &&
      forward == o.forward &&
      intercept == o.intercept &&
      is_name_auto == o.is_name_auto &&
      legend_entry == o.legend_entry &&
      name == o.name &&
      order == o.order &&
      period == o.period &&
      type == o.type &&
      begin_arrow_length == o.begin_arrow_length &&
      begin_arrow_width == o.begin_arrow_width &&
      begin_type == o.begin_type &&
      cap_type == o.cap_type &&
      color == o.color &&
      compound_type == o.compound_type &&
      dash_type == o.dash_type &&
      end_arrow_length == o.end_arrow_length &&
      end_arrow_width == o.end_arrow_width &&
      end_type == o.end_type &&
      gradient_fill == o.gradient_fill &&
      is_auto == o.is_auto &&
      is_automatic_color == o.is_automatic_color &&
      is_visible == o.is_visible &&
      join_type == o.join_type &&
      style == o.style &&
      transparency == o.transparency &&
      weight == o.weight &&
      weight_pt == o.weight_pt 
      std_dev == o.std_dev
end

#_deserialize(type, value) ⇒ Object

Deserializes the data based on type

Parameters:

  • string —

    type Data type

  • string —

    value Value to be deserialized

Returns:

  • (Object) —

    Deserialized data



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 500

def _deserialize(type, value)
  case type.to_sym
  when :DateTime
    DateTime.parse(value)
  when :Date
    Date.parse(value)
  when :String
    value.to_s
  when :Integer
    value.to_i
  when :Float
    value.to_f
  when :BOOLEAN
    if value.to_s =~ /\A(true|t|yes|y|1)\z/i
      true
    else
      false
    end
  when :Object
    # generic object (usually a Hash), return directly
    value
  when /\AArray<(?<inner_type>.+)>\z/
    inner_type = Regexp.last_match[:inner_type]
    value.map { |v| _deserialize(inner_type, v) }
  when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
    k_type = Regexp.last_match[:k_type]
    v_type = Regexp.last_match[:v_type]
    {}.tap do |hash|
      value.each do |k, v|
        hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
      end
    end
  else # model
    temp_model = AsposeCellsCloud.const_get(type).new
    temp_model.build_from_hash(value)
  end
end

#_to_hash(value) ⇒ Hash

Outputs non-array value in the form of hash For object, use to_hash. Otherwise, just return the value

Parameters:

  • value (Object) —

    Any valid value

Returns:

  • (Hash) —

    Returns the value in the form of hash



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 566

def _to_hash(value)
  if value.is_a?(Array)
    value.compact.map{ |v| _to_hash(v) }
  elsif value.is_a?(Hash)
    {}.tap do |hash|
      value.each { |k, v| hash[k] = _to_hash(v) }
    end
  elsif value.respond_to? :to_hash
    value.to_hash
  else
    value
  end
end

#build_from_hash(attributes) ⇒ Object

Builds the object from hash

Parameters:

  • attributes (Hash) —

    Model attributes in the form of hash

Returns:

  • (Object) —

    Returns the model itself



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 479

def build_from_hash(attributes)
  return nil unless attributes.is_a?(Hash)
  self.class.swagger_types.each_pair do |key, type|
    if type =~ /\AArray<(.*)>/i
      # check to ensure the input is an array given that the the attribute
      # is documented as an array but the input is not
      if attributes[self.class.attribute_map[key]].is_a?(Array)
        self.send("#{key}=", attributes[self.class.attribute_map[key]].map{ |v| _deserialize($1, v) } )
      end
    elsif !attributes[self.class.attribute_map[key]].nil?
      self.send("#{key}=", _deserialize(type, attributes[self.class.attribute_map[key]]))
    end # or else data not found in attributes(hash), not an issue as the data can be optional
  end

  self
end

#eql?(o) ⇒ Boolean

Parameters:

  • Object (Object) —

    to be compared

Returns:

  • (Boolean)

See Also:

  • `==` method


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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 466

def eql?(o)
  self == o
end

#hash ⇒ Fixnum

Calculates hash code according to all attributes.

Returns:

  • (Fixnum) —

    Hash code



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 472

def hash
  [ link , backward , data_labels , display_equation , display_r_squared , forward , intercept , is_name_auto , legend_entry , name , order , period , type , begin_arrow_length , begin_arrow_width , begin_type , cap_type , color , compound_type , dash_type , end_arrow_length , end_arrow_width , end_type , gradient_fill , is_auto , is_automatic_color , is_visible , join_type , style , transparency , weight , weight_pt ].hash
end

#list_invalid_properties ⇒ Object

Show invalid properties with the reasons. Usually used together with valid?

Returns:

  • Array for valid properies with the reasons



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 284

def list_invalid_properties
  invalid_properties = Array.new
  if @link.nil?
      invalid_properties.push("invalid value for 'link', link cannot be nil.")
  end
  if @backward.nil?
      invalid_properties.push("invalid value for 'backward', backward cannot be nil.")
  end
  if @data_labels.nil?
      invalid_properties.push("invalid value for 'data_labels', data_labels cannot be nil.")
  end
  if @display_equation.nil?
      invalid_properties.push("invalid value for 'display_equation', display_equation cannot be nil.")
  end
  if @display_r_squared.nil?
      invalid_properties.push("invalid value for 'display_r_squared', display_r_squared cannot be nil.")
  end
  if @forward.nil?
      invalid_properties.push("invalid value for 'forward', forward cannot be nil.")
  end
  if @intercept.nil?
      invalid_properties.push("invalid value for 'intercept', intercept cannot be nil.")
  end
  if @is_name_auto.nil?
      invalid_properties.push("invalid value for 'is_name_auto', is_name_auto cannot be nil.")
  end
  if @legend_entry.nil?
      invalid_properties.push("invalid value for 'legend_entry', legend_entry cannot be nil.")
  end
  if @name.nil?
      invalid_properties.push("invalid value for 'name', name cannot be nil.")
  end
  if @order.nil?
      invalid_properties.push("invalid value for 'order', order cannot be nil.")
  end
  if @period.nil?
      invalid_properties.push("invalid value for 'period', period cannot be nil.")
  end
  if @type.nil?
      invalid_properties.push("invalid value for 'type', type cannot be nil.")
  end
  if @begin_arrow_length.nil?
      invalid_properties.push("invalid value for 'begin_arrow_length', begin_arrow_length cannot be nil.")
  end
  if @begin_arrow_width.nil?
      invalid_properties.push("invalid value for 'begin_arrow_width', begin_arrow_width cannot be nil.")
  end
  if @begin_type.nil?
      invalid_properties.push("invalid value for 'begin_type', begin_type cannot be nil.")
  end
  if @cap_type.nil?
      invalid_properties.push("invalid value for 'cap_type', cap_type cannot be nil.")
  end
  if @color.nil?
      invalid_properties.push("invalid value for 'color', color cannot be nil.")
  end
  if @compound_type.nil?
      invalid_properties.push("invalid value for 'compound_type', compound_type cannot be nil.")
  end
  if @dash_type.nil?
      invalid_properties.push("invalid value for 'dash_type', dash_type cannot be nil.")
  end
  if @end_arrow_length.nil?
      invalid_properties.push("invalid value for 'end_arrow_length', end_arrow_length cannot be nil.")
  end
  if @end_arrow_width.nil?
      invalid_properties.push("invalid value for 'end_arrow_width', end_arrow_width cannot be nil.")
  end
  if @end_type.nil?
      invalid_properties.push("invalid value for 'end_type', end_type cannot be nil.")
  end
  if @gradient_fill.nil?
      invalid_properties.push("invalid value for 'gradient_fill', gradient_fill cannot be nil.")
  end
  if @is_auto.nil?
      invalid_properties.push("invalid value for 'is_auto', is_auto cannot be nil.")
  end
  if @is_automatic_color.nil?
      invalid_properties.push("invalid value for 'is_automatic_color', is_automatic_color cannot be nil.")
  end
  if @is_visible.nil?
      invalid_properties.push("invalid value for 'is_visible', is_visible cannot be nil.")
  end
  if @join_type.nil?
      invalid_properties.push("invalid value for 'join_type', join_type cannot be nil.")
  end
  if @style.nil?
      invalid_properties.push("invalid value for 'style', style cannot be nil.")
  end
  if @transparency.nil?
      invalid_properties.push("invalid value for 'transparency', transparency cannot be nil.")
  end
  if @weight.nil?
      invalid_properties.push("invalid value for 'weight', weight cannot be nil.")
  end
  if @weight_pt.nil?
      invalid_properties.push("invalid value for 'weight_pt', weight_pt cannot be nil.")
  end

  return invalid_properties
end

#to_body ⇒ Hash

to_body is an alias to to_hash (backward compatibility)

Returns:

  • (Hash) —

    Returns the object in the form of hash



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 546

def to_body
  to_hash
end

#to_hash ⇒ Hash

Returns the object in the form of hash

Returns:

  • (Hash) —

    Returns the object in the form of hash



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 552

def to_hash
  hash = {}
  self.class.attribute_map.each_pair do |attr, param|
    value = self.send(attr)
    next if value.nil?
    hash[param] = _to_hash(value)
  end
  hash
end

#to_s ⇒ String

Returns the string representation of the object

Returns:

  • (String) —

    String presentation of the object



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 540

def to_s
  to_hash.to_s
end

#valid? ⇒ Boolean

Check to see if the all the properties in the model are valid

Returns:

  • (Boolean) —

    true if the model is valid



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# File 'lib/aspose_cells_cloud/models/trendline.rb', line 388

def valid?
  return false if @link.nil?
  return false if @backward.nil?
  return false if @data_labels.nil?
  return false if @display_equation.nil?
  return false if @display_r_squared.nil?
  return false if @forward.nil?
  return false if @intercept.nil?
  return false if @is_name_auto.nil?
  return false if @legend_entry.nil?
  return false if @name.nil?
  return false if @order.nil?
  return false if @period.nil?
  return false if @type.nil?
  return false if @begin_arrow_length.nil?
  return false if @begin_arrow_width.nil?
  return false if @begin_type.nil?
  return false if @cap_type.nil?
  return false if @color.nil?
  return false if @compound_type.nil?
  return false if @dash_type.nil?
  return false if @end_arrow_length.nil?
  return false if @end_arrow_width.nil?
  return false if @end_type.nil?
  return false if @gradient_fill.nil?
  return false if @is_auto.nil?
  return false if @is_automatic_color.nil?
  return false if @is_visible.nil?
  return false if @join_type.nil?
  return false if @style.nil?
  return false if @transparency.nil?
  return false if @weight.nil?
  return false if @weight_pt.nil?
  return true
end