Class: JSON::Editor::EditMenu

Inherits:
Object
  • Object
show all
Includes:
MenuExtension
Defined in:
lib/json/editor.rb

Overview

This class creates the Edit pulldown menu.

Instance Attribute Summary

Attributes included from MenuExtension

#menu, #treeview

Instance Method Summary collapse

Methods included from MenuExtension

#add_item, #add_separator, #initialize, #method_missing

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class JSON::Editor::MenuExtension

Instance Method Details

#create ⇒ Object

Create the menu.



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# File 'lib/json/editor.rb', line 594

def create
  title = MenuItem.new('Edit')
  title.submenu = menu
  add_item('Find', &method(:find))
  add_item('Find Again', &method(:find_again))
  add_separator
  add_item('Sort', &method(:sort))
  title
end

#find(item) ⇒ Object

Find a string in all nodes’ contents and select the found node in the treeview.



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# File 'lib/json/editor.rb', line 513

def find(item)
  search = ask_for_find_term or return
  begin
    @search = Regexp.new(search)
  rescue => e
    Editor.error_dialog(self, "Evaluation of regex /#{search}/ failed: #{e}!")
    return
  end
  iter = model.get_iter('0')
  iter.recursive_each do |i|
    if @iter
      if @iter != i
        next
      else
        @iter = nil
        next
      end
    elsif @search.match(i[CONTENT_COL])
       set_cursor(i.path, nil, false)
       @iter = i
       break
    end
  end
end

#find_again(item) ⇒ Object

Repeat the last search given by #find.



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# File 'lib/json/editor.rb', line 539

def find_again(item)
  @search or return
  iter = model.get_iter('0')
  iter.recursive_each do |i|
    if @iter
      if @iter != i
        next
      else
        @iter = nil
        next
      end
    elsif @search.match(i[CONTENT_COL])
       set_cursor(i.path, nil, false)
       @iter = i
       break
    end
  end
end

#sort(item) ⇒ Object

Sort (Reverse sort) all elements of the selected array by the given expression. x is the element in question.



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# File 'lib/json/editor.rb', line 560

def sort(item)
  if current = selection.selected
    if current.type == 'Array'
      parent = current.parent
      ary = Editor.model2data(current)
      order, reverse = ask_for_order
      order or return
      begin
        block = eval "lambda { |x| #{order} }"
        if reverse
          ary.sort! { |a,b| block[b] <=> block[a] }
        else
          ary.sort! { |a,b| block[a] <=> block[b] }
        end
      rescue => e
        Editor.error_dialog(self, "Failed to sort Array with #{order}: #{e}!")
      else
        Editor.data2model(ary, model, parent) do |m|
          m.insert_before(parent, current)
        end
        model.remove(current)
        expand_collapse(parent)
        window.change
        toplevel.display_status("Array has been sorted.")
      end
    else
      toplevel.display_status("Only Array nodes can be sorted!")
    end
  else
      toplevel.display_status("Select an Array to sort first!")
  end
end