Class: Glimmer::SWT::Custom::RefinedTable

Inherits:
Object
  • Object
show all
Includes:
UI::CustomWidget
Defined in:
lib/glimmer/swt/custom/refined_table.rb

Overview

RefinedTable is a customization of Table with support for Filtering/Pagination

Instance Attribute Summary collapse

Attributes included from UI::CustomWidget

#body_root, #options, #parent, #parent_proxy, #swt_style_symbols

Instance Method Summary collapse

Methods included from UI::CustomWidget

add_custom_widget_namespaces_for, #add_observer, after_body, #async_exec, #attribute_setter, before_body, body, #can_add_observer?, #can_handle_observation_request?, #children_owner, #content, custom_widget_namespaces, def_option_attr_accessors, #disposed?, flyweight_custom_widget_classes, for, #get_attribute, #handle_observation_request, #has_attribute?, #has_instance_method?, #has_style?, #initialize, keyword, #local_respond_to?, #method_missing, namespaces_for_class, #observer_registrations, option, options, #post_add_content, #post_initialize_child, reset_custom_widget_namespaces, #respond_to?, #set_attribute, #shell_proxy, shortcut_keyword, #swt_style, #swt_widget, #sync_exec, #timer_exec

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glimmer::UI::CustomWidget

Instance Attribute Details

#filtered_model_array ⇒ Object

Returns the value of attribute filtered_model_array.



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 36

def filtered_model_array
  @filtered_model_array
end

#first_button_proxy ⇒ Object (readonly)

Returns the value of attribute first_button_proxy.



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 38

def first_button_proxy
  @first_button_proxy
end

#last_button_proxy ⇒ Object (readonly)

Returns the value of attribute last_button_proxy.



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 38

def last_button_proxy
  @last_button_proxy
end

#next_button_proxy ⇒ Object (readonly)

Returns the value of attribute next_button_proxy.



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 38

def next_button_proxy
  @next_button_proxy
end

#page_text_proxy ⇒ Object (readonly)

Returns the value of attribute page_text_proxy.



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 38

def page_text_proxy
  @page_text_proxy
end

#previous_button_proxy ⇒ Object (readonly)

Returns the value of attribute previous_button_proxy.



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 38

def previous_button_proxy
  @previous_button_proxy
end

#refined_model_array ⇒ Object

Returns the value of attribute refined_model_array.



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 37

def refined_model_array
  @refined_model_array
end

#table_proxy ⇒ Object (readonly)

Returns the value of attribute table_proxy.



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 38

def table_proxy
  @table_proxy
end

Instance Method Details

#clear_query_cache ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 243

def clear_query_cache
  @query_to_filtered_model_array_hash = {}
  @query_to_page_hash = {}
end

#corrected_page(initial_page_value = nil) ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 183

def corrected_page(initial_page_value = nil)
  correct_page = initial_page_value || page
  correct_page = [correct_page, page_count].min
  correct_page = [correct_page, 1].max
  correct_page = (filtered_model_array&.count.to_i > 0) ? (correct_page > 0 ? correct_page : 1) : 0
  correct_page
end

#filter ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 204

def filter
  new_query = query.to_s.strip
  new_filtered_model_array = query_to_filtered_model_array_hash[new_query]
  if new_filtered_model_array.nil?
    if new_query.empty?
      query_to_filtered_model_array_hash[new_query] = new_filtered_model_array = model_array.dup
    else
      new_filtered_model_array = model_array.select do |model|
        @table_proxy.cells_for(model).any? do |cell_text|
          cell_text.to_s.downcase.include?(new_query.downcase)
        end
      end
      query_to_filtered_model_array_hash[new_query] = new_filtered_model_array
    end
  end
  self.filtered_model_array = new_filtered_model_array
  restore_query_page
  @last_query = new_query
end

#filter_and_paginate ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 199

def filter_and_paginate
  filter
  paginate
end

#first_button_block=(block) ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 163

def first_button_block=(block)
  @first_button_proxy.content(&block)
end

#first_page ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 191

def first_page
  (filtered_model_array&.count.to_i > 0) ? 1 : 0
end

#last_button_block=(block) ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 175

def last_button_block=(block)
  @last_button_proxy.content(&block)
end

#last_page ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 195

def last_page
  page_count
end

#next_button_block=(block) ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 171

def next_button_block=(block)
  @next_button_proxy.content(&block)
end

#page_count ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 179

def page_count
  (filtered_model_array && (filtered_model_array.count / per_page.to_f).ceil) || 0
end

#page_text_block=(block) ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 159

def page_text_block=(block)
  @page_text_proxy.content(&block)
end

#paginate ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 224

def paginate
  self.page = corrected_page(page)
  self.refined_model_array = filtered_model_array[(page - 1) * per_page, per_page]
end

#pagination ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 84

def pagination
  composite {
    layout_data(:fill, :center, true, false)
    
    fill_layout(:horizontal) {
      margin_width 0
      margin_height 0
    }
    
    @first_button_proxy = button {
      text '<<'
      enabled <= [self, :page, on_read: ->(value) {value > first_page}]
      
      on_widget_selected do
        self.page = first_page
        filter_and_paginate
      end
    }
    
    @previous_button_proxy = button {
      text '<'
      enabled <= [self, :page, on_read: ->(value) {value > first_page}]
      
      on_widget_selected do
        self.page -= 1
        filter_and_paginate
      end
    }
    
    @page_text_proxy = text(:border, :center) {
      text <= [self, :page, on_read: ->(value) { "#{value} of #{page_count}" }]
      
      on_focus_gained do
        @page_text_proxy.select_all
      end
      
      on_focus_lost do
        self.page = @page_text_proxy.text.to_i
        filter_and_paginate
      end
      
      on_key_pressed do |key_event|
        if key_event.keyCode == swt(:cr)
          self.page = @page_text_proxy.text.to_i
          filter_and_paginate
        end
      end
    }
    
    @next_button_proxy = button {
      text '>'
      enabled <= [self, :page, on_read: ->(value) {value < last_page}]
      
      on_widget_selected do
        self.page += 1
        filter_and_paginate
      end
    }
    
    @last_button_proxy = button {
      text '>>'
      enabled <= [self, :page, on_read: ->(value) {value < last_page}]
      
      on_widget_selected do
        self.page = last_page
        filter_and_paginate
      end
    }
  }
end

#previous_button_block=(block) ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 167

def previous_button_block=(block)
  @previous_button_proxy.content(&block)
end

#query_to_filtered_model_array_hash ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 248

def query_to_filtered_model_array_hash
  @query_to_filtered_model_array_hash ||= {}
end

#query_to_page_hash ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 252

def query_to_page_hash
  @query_to_page_hash ||= {}
end

#restore_query_page ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 229

def restore_query_page
  new_query = query.to_s.strip
  last_query = @last_query.to_s.strip
  if last_query != new_query
    query_to_page_hash[last_query] = page
  else
    query_to_page_hash[new_query] = page
  end
  if last_query != new_query && last_query.include?(new_query)
    new_page = query_to_page_hash[new_query]
    self.page = corrected_page(new_page) if new_page
  end
end

#table_block=(block) ⇒ Object 



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# File 'lib/glimmer/swt/custom/refined_table.rb', line 155

def table_block=(block)
  @table_proxy.content(&block)
end