Restructure examples folder (#47)

Split examples into separate markdown files, each containing a description, sample code, and a screenshot of the resulting xlsx document.

The script `generate.rb` is provided to actually generate the example documents by executing the sample code contained in the markdown files.

1 files changed, 38 insertions, 0 deletions

diff --git a/examples/surrounding_borders_example.md b/examples/surrounding_borders_example.md
new file mode 100644
index 00000000..d3135768
--- /dev/null
+++ b/examples/surrounding_borders_example.md
@@ -0,0 +1,38 @@
+## Description
+
+More programmatic way to set the borders
+
+## Code
+
+```ruby
+require 'axlsx'
+
+p = Axlsx::Package.new
+wb = p.workbook
+s = wb.styles
+
+defaults = { style: :thick, color: '000000' }
+borders = Hash.new do |hash, key|
+  hash[key] = s.add_style border: defaults.merge({ edges: key.to_s.split('_').map(&:to_sym) })
+end
+
+top_row = [0, borders[:top_left], borders[:top], borders[:top], borders[:top_right]]
+middle_row = [0, borders[:left], 0, 0, borders[:right]]
+bottom_row = [0, borders[:bottom_left], borders[:bottom], borders[:bottom], borders[:bottom_right]]
+
+wb.add_worksheet(name: 'Surrounding Border') do |sheet|
+  sheet.add_row []
+  sheet.add_row ['', 1, 2, 3, 4], style: top_row
+  sheet.add_row ['', 5, 6, 7, 8], style: middle_row
+  sheet.add_row ['', 9, 10, 11, 12]
+
+  #This works too!
+  sheet.rows.last.style = bottom_row
+end
+
+p.serialize 'surrounding_borders_example.xlsx'
+```
+
+## Output
+
+![Output](images/surrounding_borders_example.png "Output")