From 4ec9169ae7149255d78c1af17ab7550354c9dae9 Mon Sep 17 00:00:00 2001
From: Jan-Hendrik Hühne <jan.huehne@googlemail.com>
Date: Wed, 6 Jun 2012 17:48:03 +0200
Subject: Selection stuff.

---
 lib/axlsx/workbook/worksheet/selection.rb | 111 ++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 lib/axlsx/workbook/worksheet/selection.rb

diff --git a/lib/axlsx/workbook/worksheet/selection.rb b/lib/axlsx/workbook/worksheet/selection.rb
new file mode 100644
index 00000000..6674c55d
--- /dev/null
+++ b/lib/axlsx/workbook/worksheet/selection.rb
@@ -0,0 +1,111 @@
+# encoding: UTF-8
+module Axlsx
+  # Selection options for worksheet panes.
+  #
+  # @note The recommended way to manage the selection pane options is via SheetView#add_selection
+  # @see SheetView#add_selection
+  class Selection
+    
+    # Active Cell Location
+    # Location of the active cell.
+    # @see type
+    # @return [String]
+    # @default nil
+    attr_reader :active_cell
+    
+    
+    # Active Cell Index
+    # 0-based index of the range reference (in the array of references listed in sqref)
+    # containing the active cell. Only used when the selection in sqref is not contiguous.
+    # Therefore, this value needs to be aware of the order in which the range references are
+    # written in sqref.
+    # When this value is out of range then activeCell can be used.
+    # @see type
+    # @return [Integer]
+    # @default nil
+    attr_reader :active_cell_id
+    
+    
+    # Pane
+    # The pane to which this selection belongs.
+    # Options are 
+    #  * bottom_left:  Bottom left pane, when both vertical and horizontal
+    #                  splits are applied. This value is also used when only
+    #                  a horizontal split has been applied, dividing the pane 
+    #                  into upper and lower regions. In that case, this value 
+    #                  specifies the bottom pane.
+    #  * bottom_right: Bottom right pane, when both vertical and horizontal
+    #                  splits are applied.
+    #  * top_left:     Top left pane, when both vertical and horizontal splits
+    #                  are applied. This value is also used when only a horizontal 
+    #                  split has been applied, dividing the pane into upper and lower
+    #                  regions. In that case, this value specifies the top pane.
+    #                  This value is also used when only a vertical split has
+    #                  been applied, dividing the pane into right and left
+    #                  regions. In that case, this value specifies the left pane
+    #  * top_right:    Top right pane, when both vertical and horizontal
+    #                  splits are applied. This value is also used when only
+    #                  a vertical split has been applied, dividing the pane 
+    #                  into right and left regions. In that case, this value 
+    #                  specifies the right pane.
+    # @see type
+    # @return [Symbol]
+    # @default nil
+    attr_reader :pane
+    
+    
+    # Sequence of References
+    # Range of the selection. Can be non-contiguous set of ranges.
+    # @see type
+    # @return [String]
+    # @default nil
+    attr_reader :sqref
+    
+    
+    # Creates a new {Selection} object
+    # @option options [Cell, String] active_cell Active Cell Location
+    # @option options [Integer] active_cell_id Active Cell Index
+    # @option options [Symbol] pane Pane
+    # @option options [String] sqref Sequence of References
+    def initialize(options={})
+      #defaults
+      @active_cell = @active_cell_id = @pane = @sqref = nil
+      
+      # write options to instance variables
+      options.each do |o|
+        self.send("#{o[0]}=", o[1]) if self.respond_to? "#{o[0]}="
+      end
+    end
+    
+    
+    # @see active_cell
+    def active_cell=(v)
+      cell = (v.class == Axlsx::Cell ? v.r_abs : v)
+      Axlsx::validate_string(cell)  
+      @active_cell = cell 
+    end
+    
+    
+    # @see active_cell_id
+    def active_cell_id=(v); Axlsx::validate_unsigned_int(v); @active_cell_id = v end
+    
+    
+    # @see pane
+    def pane=(v); Axlsx::validate_pane_type(v); @pane = v end
+    
+    
+    # @see sqref
+    def sqref=(v); Axlsx::validate_string(v); @sqref = v end
+    
+    
+    # Serializes the data validation
+    # @param [String] str
+    # @return [String]
+    def to_xml_string(str = '')
+      str << '<selection '
+      str << instance_values.map { |key, value| '' << key.gsub(/_(.)/){ $1.upcase } << 
+        %{="#{[:pane].include?(key.to_sym) ? value.to_s.gsub(/_(.)/){ $1.upcase } : value}"} unless value.nil? }.join(' ')
+      str << '/>'
+    end
+  end
+end
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