Class: Writexlsx::Chart::Column

Inherits:
Writexlsx::Chart show all
Includes:
Utility
Defined in:
lib/write_xlsx/chart/column.rb

Overview

The Column chart module also supports the following sub-types:

stacked
percent_stacked

These can be specified at creation time via the add_chart() Worksheet method:

chart = workbook.add_chart( :type => 'column', :subtype => 'stacked' )

Constant Summary

Constants included from Utility

Utility::COL_MAX, Utility::ROW_MAX, Utility::SHEETNAME_MAX, Utility::STR_MAX

Instance Attribute Summary

Attributes inherited from Writexlsx::Chart

#already_inserted, #axis2_ids, #combined, #date_category, #embedded, #formula_data, #formula_ids, #height, #id, #index, #label_position_default, #label_positions, #name, #palette, #protection, #series_index, #width, #writer, #x2_axis, #x_offset, #x_scale, #y2_axis, #y_offset, #y_scale

Instance Method Summary collapse

Methods included from Utility

#absolute_char, #check_dimensions, #check_dimensions_and_update_max_min_values, #check_parameter, #convert_date_time, #dash_types, delete_files, #fill_properties, #float_to_str, #layout_properties, #line_fill_properties, #line_properties, #palette_color, #pixels_to_points, #process_workbook_options, #ptrue?, #put_deprecate_message, #quote_sheetname, #r_id_attributes, #row_col_notation, #shape_style_base, #store_col_max_min_values, #store_row_max_min_values, #substitute_cellref, #underline_attributes, #v_shape_attributes_base, #v_shape_style_base, #value_or_raise, #write_anchor, #write_auto_fill, #write_color, #write_comment_path, #write_div, #write_fill, #write_font, #write_stroke, #write_xml_declaration, #xl_cell_to_rowcol, #xl_col_to_name, #xl_range, #xl_range_formula, #xl_rowcol_to_cell, #xml_str

Methods inherited from Writexlsx::Chart

#add_series, #already_inserted?, #assemble_xml_file, #combine, #convert_font_args, #data_id, factory, #is_secondary?, #params_to_font, #process_names, #set_chartarea, #set_drop_lines, #set_embedded_config_data, #set_high_low_lines, #set_legend, #set_plotarea, #set_size, #set_style, #set_table, #set_title, #set_up_down_bars, #set_x2_axis, #set_x_axis, #set_xml_writer, #set_y2_axis, #set_y_axis, #show_blanks_as, #show_hidden_data, #write_bar_chart, #write_val_axis

Constructor Details

#initialize(subtype) ⇒ Column


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# File 'lib/write_xlsx/chart/column.rb', line 31

def initialize(subtype)
  super(subtype)
  @subtype = subtype || 'clustered'
  @horiz_val_axis = 0

  # Override and reset the default axis values.
  if @subtype == 'percent_stacked'
    @y_axis.defaults[:num_format] = '0%'
  end

  set_y_axis

  # Set the available data label positions for this chart type.
  @label_position_default = 'outside_end'
  @label_positions = {
    'center'      => 'ctr',
    'inside_base' => 'inBase',
    'inside_end'  => 'inEnd',
    'outside_end' => 'outEnd'
  }
end

Instance Method Details

#write_bar_dirObject

Write the <c:barDir> element.


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# File 'lib/write_xlsx/chart/column.rb', line 64

def write_bar_dir
  @writer.empty_tag('c:barDir', [ ['val', 'col'] ])
end

#write_chart_type(params) ⇒ Object

Override the virtual superclass method with a chart specific method.


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# File 'lib/write_xlsx/chart/column.rb', line 56

def write_chart_type(params)
  # Write the c:barChart element.
  write_bar_chart(params)
end

#write_err_dir(direction) ⇒ Object

Write the <c:errDir> element. Overridden from Chart class since it is not used in Bar charts.


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# File 'lib/write_xlsx/chart/column.rb', line 72

def write_err_dir(direction)
  # do nothing
end