Class: Glimmer::SWT::TextProxy

Inherits:
WidgetProxy show all
Defined in:
lib/glimmer/swt/text_proxy.rb

Direct Known Subclasses

StyledTextProxy

Constant Summary

Constants inherited from WidgetProxy

WidgetProxy::DEFAULT_INITIALIZERS, WidgetProxy::JS_KEY_CODE_TO_SWT_KEY_CODE_MAP, WidgetProxy::JS_LOCATION_TO_SWT_KEY_LOCATION_MAP, WidgetProxy::SWT_CURSOR_TO_CSS_CURSOR_MAP

Instance Attribute Summary collapse

Attributes inherited from WidgetProxy

#args, #background, #children, #cursor, #disposed?, #enabled, #focus, #font, #foreground, #menu, #menu_requested, #menu_x, #menu_y, #parent, #path, #rendered

Instance Method Summary collapse

Methods inherited from WidgetProxy

#add_content_on_render, #add_css_class, #add_css_classes, #add_observer, #apply_property_type_converters, #attach, #build_dom, #can_handle_observation_request?, #clear_css_classes, #content, #content_on_render_blocks, #css_classes, #default_observation_request_to_event_mapping, #dialog_ancestor, #dispose, #dom_element, #effective_observation_request_to_event_mapping, #event_handling_suspended?, #event_listener_proxies, for, #get_data, #handle_javascript_observation_request, #handle_observation_request, #has_style?, #id, #id=, #listener_dom_element, #listener_path, #listeners, #listeners_for, max_id_number_for, max_id_numbers, #method_missing, #name, next_id_number_for, #observation_requests, #parent_dom_element, #parent_path, #parents, #post_add_content, #post_dispose_child, #post_initialize_child, #print, #property_type_converters, #reattach, #remove_all_listeners, #remove_css_class, #remove_css_classes, #remove_event_listener_proxies, #render, reset_max_id_numbers!, #resume_event_handling, #selector, #set_attribute, #set_data, #set_focus, #shell, #skip_content_on_render_blocks?, #style_element, #suspend_event_handling, #swt_data, #swt_widget, underscored_widget_name, widget_class, widget_exists?, widget_handling_listener, #widget_property_listener_installers

Methods included from PropertyOwner

#attribute_getter, #attribute_setter, #get_attribute, #set_attribute

Constructor Details

#initialize(parent, args, block) ⇒ TextProxy

Returns a new instance of TextProxy.



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# File 'lib/glimmer/swt/text_proxy.rb', line 15

def initialize(parent, args, block)
  args << :border if args.empty?
  @border = !!args.detect { |arg| SWTProxy[arg] == SWTProxy[:border] }
  @left = !!args.detect { |arg| SWTProxy[arg] == SWTProxy[:left] }
  @center = !!args.detect { |arg| SWTProxy[arg] == SWTProxy[:center] }
  @right = !!args.detect { |arg| SWTProxy[arg] == SWTProxy[:right] }
  @read_only = !!args.detect { |arg| SWTProxy[arg] == SWTProxy[:read_only] }
  @wrap = !!args.detect { |arg| SWTProxy[arg] == SWTProxy[:wrap] }
  @multi = !!args.detect { |arg| SWTProxy[arg] == SWTProxy[:multi] }
  super(parent, args, block)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glimmer::SWT::WidgetProxy

Instance Attribute Details

#border ⇒ Object (readonly) Also known as: border?

Returns the value of attribute border.



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# File 'lib/glimmer/swt/text_proxy.rb', line 6

def border
  @border
end

#center ⇒ Object (readonly) Also known as: center?

Returns the value of attribute center.



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# File 'lib/glimmer/swt/text_proxy.rb', line 6

def center
  @center
end

#left ⇒ Object (readonly) Also known as: left?

Returns the value of attribute left.



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# File 'lib/glimmer/swt/text_proxy.rb', line 6

def left
  @left
end

#multi ⇒ Object (readonly) Also known as: multi?

Returns the value of attribute multi.



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# File 'lib/glimmer/swt/text_proxy.rb', line 6

def multi
  @multi
end

#read_only ⇒ Object (readonly) Also known as: read_only?

Returns the value of attribute read_only.



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# File 'lib/glimmer/swt/text_proxy.rb', line 6

def read_only
  @read_only
end

#right ⇒ Object (readonly) Also known as: right?

Returns the value of attribute right.



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# File 'lib/glimmer/swt/text_proxy.rb', line 6

def right
  @right
end

#text ⇒ Object

Returns the value of attribute text.



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# File 'lib/glimmer/swt/text_proxy.rb', line 6

def text
  @text
end

#wrap ⇒ Object (readonly) Also known as: wrap?

Returns the value of attribute wrap.



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# File 'lib/glimmer/swt/text_proxy.rb', line 6

def wrap
  @wrap
end

Instance Method Details

#dom ⇒ Object 



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# File 'lib/glimmer/swt/text_proxy.rb', line 97

def dom
  text_text = @text
  text_id = id
  text_style = 'min-width: 27px; '
  text_style += 'border: none; ' if !@border
  text_style += 'text-align: left; ' if @left
  text_style += 'text-align: center; ' if @center
  text_style += 'text-align: right; ' if @right
  text_class = name
  options = {type: 'text', id: text_id, style: text_style, class: text_class, value: text_text}
  options = options.merge('disabled': 'disabled') unless @enabled
  options = options.merge('readonly': 'readonly') if @read_only
  options = options.merge('contenteditable': 'true')
  options = options.merge(type: 'password') if has_style?(:password)
  @dom ||= html {
    send(element, options)
  }.to_s
end

#element ⇒ Object 



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# File 'lib/glimmer/swt/text_proxy.rb', line 32

def element
  @wrap || @multi ? 'textarea' : 'input'
end

#observation_request_to_event_mapping ⇒ Object 



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

def observation_request_to_event_mapping
  myself = self
  {
    'on_verify_text' => [
      {
        event: 'beforeinput',
        event_handler: -> (event_listener) {
          -> (event) {
            event.define_singleton_method(:widget) {myself}
            event.define_singleton_method(:text) {`#{event.to_n}.originalEvent.data` || ''}
            selection_start = `#{event.target}[0].selectionStart`
            selection_end = `#{event.target}[0].selectionEnd`
            if `#{event.to_n}.originalEvent.inputType` == 'deleteContentBackward' && selection_start == selection_end
              selection_start -= 1
              selection_start = 0 if selection_start < 0
            end
            event.define_singleton_method(:start) do
              selection_start
            end
            event.define_singleton_method(:end) {selection_end}
            doit = true
            event.define_singleton_method(:doit=) do |value|
              doit = value
            end
            event.define_singleton_method(:doit) { doit }
            event_listener.call(event)
            
            if !doit
              `#{event.to_n}.originalEvent.returnValue = false`
            end
            
            doit
          }
        }
      },
      {
        event: 'input',
        event_handler: -> (event_listener) {
          -> (event) {
            event.define_singleton_method(:widget) {myself}
            @text = event.target.value
          }
        }
      }
    ],
    'on_modify_text' => [
      {
        event: 'input',
        event_handler: -> (event_listener) {
          -> (event) {
            # TODO add all attributes for on_modify_text modify event
            event.define_singleton_method(:widget) {myself}
            @text = event.target.value
            event_listener.call(event)
          }
        }
      }
    ],
  }
end