Class: ScreenController

Inherits:
UIViewController
  • Object
show all
Includes:
AppConstants
Defined in:
app/controllers/screen_controller.rb

Constant Summary

Constants included from AppConstants

AppConstants::ITEMS_PER_ROW, AppConstants::NUMBER_OF_SECTIONS, AppConstants::ROW_HEIGHT, AppConstants::STATUS_BAR_HEIGHT, AppConstants::VERTICAL_ROW_OFFSET

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#items ⇒ Object

Returns the value of attribute items.



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# File 'app/controllers/screen_controller.rb', line 4

def items
  @items
end

Instance Method Details

#create_new_horizontal_scroll_cell(row_number) ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 26

def create_new_horizontal_scroll_cell row_number
  horizontal_row = HorizontalTableContainerCell.alloc.initWithStyle(UITableViewCellStyleSubtitle, reuseIdentifier: self.class.name)
  horizontal_row.delegate = self
  horizontal_row.vertical_row_offset = VERTICAL_ROW_OFFSET
  cell = horizontal_row.set_dimensions_with_row_offset      
  cell.items_list = extract_subset_of_data row_number
  cell.selectionStyle = UITableViewCellSelectionStyleNone
  cell
end

#extract_subset_of_data(row_number) ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 36

def extract_subset_of_data row_number
  start_index = ITEMS_PER_ROW * row_number
  end_index = start_index + ITEMS_PER_ROW - 1
  self.items[start_index..end_index]
end

#fetch_data ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 68

def fetch_data
  generate_sample_models "city"
  generate_sample_models "transport"
  generate_sample_models "cats"
  @table_view.reloadData
end

#generate_sample_models(category) ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 75

def generate_sample_models category
  5.times do |n|
    model = Model.new
    model.name = "#{category} #{n}"
    model.image_url = "http://lorempixel.com/130/207/#{category}/#{n}"
    self.items << model
  end    
end

#get_row_count ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 59

def get_row_count
  return 1 if self.items.nil?
  (self.items.count.to_f/5).ceil
end

#horizontal_scroll_cell_selected(item, index) ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 42

def horizontal_scroll_cell_selected(item, index)
  App.alert "#{item.name} at index #{index}"
end

#numberOfSectionsInTableView(table_view) ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 64

def numberOfSectionsInTableView(table_view)
  NUMBER_OF_SECTIONS
end

#set_item_details_for_horizontal_scroll_cell(cell, item) ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 46

def set_item_details_for_horizontal_scroll_cell cell, item
  cell.set_title_label_text item.name
  cell.set_thumbnail_image_with_url item.image_url, "img.jpeg"
end

#tableView(table_view, numberOfRowsInSection: section) ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 17

def tableView(table_view, cellForRowAtIndexPath: index_path)
  cell = table_view.dequeueReusableCellWithIdentifier(self.class.name)
  unless cell
    cell = create_new_horizontal_scroll_cell index_path.row
  end
  cell.reload_content
  cell
end

#viewDidLoad ⇒ Object 



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# File 'app/controllers/screen_controller.rb', line 6

def viewDidLoad
  super
  self.items = []
  self.view.backgroundColor = UIColor.whiteColor
  @table_view = UITableView.alloc.initWithFrame([[0, STATUS_BAR_HEIGHT],[Device.screen.width, Device.screen.height - STATUS_BAR_HEIGHT]], style: UITableViewStylePlain)
  @table_view.delegate = self
  @table_view.dataSource = self
  self.view.addSubview(@table_view)
  fetch_data
end