Class: ActiveScaffold::DataStructures::ActionColumns
- Inherits:
-
Set
- Object
- Set
- ActiveScaffold::DataStructures::ActionColumns
show all
- Includes:
- Configurable
- Defined in:
- lib/active_scaffold/data_structures/action_columns.rb
Overview
A set of columns. These structures can be nested for organization.
Instance Attribute Summary collapse
Instance Method Summary
collapse
#configure, #method_missing
Methods inherited from Set
#add, #empty?, #exclude, #find_by_name, #find_by_names, #initialize, #set_values
Instance Attribute Details
this lets us refer back to the action responsible for this link, if it exists. the immediate need here is to get the crud_type so we can dynamically filter columns from the set.
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 8
def action
@action
end
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#collapsed ⇒ Object
Whether this column set is collapsed by default in contexts where collapsing is supported
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 35
def collapsed
@collapsed
end
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 12
def label
as_(@label) if @label
end
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Instance Method Details
#==(other) ⇒ Object
this is so that array.delete and array.include?, etc., will work by column name
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 25
def ==(other) if other.class == self.class
label == other.label
else
@label.to_s == other.to_s
end
end
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#action_name ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 131
def action_name
@action.class.name.demodulize.underscore
end
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#add_subgroup(label, &proc) ⇒ Object
nests a subgroup in the column set
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 38
def add_subgroup(label, &proc)
columns = ActiveScaffold::DataStructures::ActionColumns.new
columns.label = label
columns.action = action
columns.configure(&proc)
exclude columns.collect_columns
add columns
end
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#collect_visible(options = {}, &proc) ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 93
def collect_visible(options = {}, &proc)
columns = []
options[:for] ||= @columns.active_record_class
self.unauthorized_columns = []
@set.each do |item|
unless item.is_a?(ActiveScaffold::DataStructures::ActionColumns) || @columns.nil?
item = (@columns[item] || ActiveScaffold::DataStructures::Column.new(item.to_sym, @columns.active_record_class))
next if skip_column?(item, options)
end
if item.is_a?(ActiveScaffold::DataStructures::ActionColumns) && options.key?(:flatten) && options[:flatten]
columns += item.collect_visible(options, &proc)
else
columns << (block_given? ? yield(item) : item)
end
end
columns
end
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#columns_key ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 135
def columns_key
"#{@action.core.model_id.to_s.underscore}-#{action_name}"
end
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#constraint_columns ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 144
def constraint_columns
constraints = Thread.current[:constraint_columns]
(constraints[columns_key] if constraints) || []
end
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#constraint_columns=(columns) ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 139
def constraint_columns=(columns)
Thread.current[:constraint_columns] ||= {}
Thread.current[:constraint_columns][columns_key] = columns
end
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#css_class ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 20
def css_class
@label.to_s.underscore.gsub(/[^-_0-9a-zA-Z]/, '-')
end
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#each(options = {}, &proc) ⇒ Object
Redefine the each method to yield actual Column objects. It will skip constrained and unauthorized columns.
Options:
* :flatten - whether to recursively iterate on nested sets. default is false.
* :for - the record (or class) being iterated over. used for column-level security. default is the class.
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 73
def each(options = {}, &proc)
options[:for] ||= @columns.active_record_class unless @columns.nil?
self.unauthorized_columns = []
@set.each do |item|
unless item.is_a?(ActiveScaffold::DataStructures::ActionColumns) || @columns.nil?
item = (@columns[item] || ActiveScaffold::DataStructures::Column.new(item.to_sym, @columns.active_record_class))
next if skip_column?(item, options)
end
if item.is_a? ActiveScaffold::DataStructures::ActionColumns
if options[:flatten]
item.each(options, &proc)
elsif !options[:skip_groups]
yield item
end
else
yield item
end
end
end
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#include?(item) ⇒ Boolean
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 47
def include?(item)
@set.each do |c|
return true if !c.is_a?(Symbol) && c.include?(item)
return true if c == item.to_sym
end
false
end
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 159
def length
((@set - constraint_columns) - unauthorized_columns).length
end
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 16
def name
@label.to_s.underscore
end
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 55
def names
if @columns
collect_visible(:flatten => true, &:name)
else
names_without_auth_check
end
end
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#names_without_auth_check ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 63
def names_without_auth_check
Array(@set)
end
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#set_columns(columns) ⇒ Object
registers a set of column objects (recursively, for all nested ActionColumns)
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 123
def set_columns(columns)
@columns = columns
@set.each do |item|
item.set_columns(columns) if item.respond_to? :set_columns
end
end
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#skip_column?(column, options) ⇒ Boolean
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 111
def skip_column?(column, options)
return true if constraint_columns.include?(column.name.to_sym)
unless options[:for].authorized_for?(:action => options[:action], :crud_type => options[:crud_type] || action.try(:crud_type) || :read, :column => column.name)
unauthorized_columns << column.name.to_sym
return true
end
false
end
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#unauthorized_columns ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 154
def unauthorized_columns
Thread.current[:unauthorized_columns] ||= {}
Thread.current[:unauthorized_columns][columns_key] ||= []
end
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#unauthorized_columns=(columns) ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_columns.rb', line 149
def unauthorized_columns=(columns)
Thread.current[:unauthorized_columns] ||= {}
Thread.current[:unauthorized_columns][columns_key] = columns
end
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