411 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Ruby
		
	
	
	
		
		
			
		
	
	
			411 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Ruby
		
	
	
	
|  | module ActionView | ||
|  |   module Helpers | ||
|  |      | ||
|  |     module JavaScriptHelper | ||
|  |        | ||
|  |       # This function can be used to render rjs inline | ||
|  |       # | ||
|  |       # <%= javascript_function do |page| | ||
|  |       #   page.replace_html :list, :partial => 'list', :object => @list | ||
|  |       # end %> | ||
|  |       # | ||
|  |       def javascript_function(*args, &block) | ||
|  |         html_options = args.extract_options! | ||
|  |         function = args[0] || '' | ||
|  | 
 | ||
|  |         html_options.symbolize_keys! | ||
|  |         function = update_page(&block) if block_given? | ||
|  |         javascript_tag(function) | ||
|  |       end | ||
|  |        | ||
|  |       def jquery_id(id) | ||
|  |         id.to_s.count('#.*,>+~:[/ ') == 0 ? "##{id}" : id | ||
|  |       end | ||
|  |            | ||
|  |       def jquery_ids(ids) | ||
|  |         Array(ids).map{|id| jquery_id(id)}.join(',') | ||
|  |       end | ||
|  | 
 | ||
|  |     end | ||
|  |      | ||
|  |     module PrototypeHelper | ||
|  |        | ||
|  |       unless const_defined? :JQUERY_VAR | ||
|  |         JQUERY_VAR = '$' | ||
|  |       end | ||
|  |            | ||
|  |       unless const_defined? :JQCALLBACKS | ||
|  |         JQCALLBACKS = Set.new([ :beforeSend, :complete, :error, :success ] + (100..599).to_a) | ||
|  |         AJAX_OPTIONS = Set.new([ :before, :after, :condition, :url, | ||
|  |                          :asynchronous, :method, :insertion, :position, | ||
|  |                          :form, :with, :update, :script ]).merge(JQCALLBACKS) | ||
|  |       end | ||
|  |        | ||
|  |       def periodically_call_remote(options = {}) | ||
|  |         frequency = options[:frequency] || 10 # every ten seconds by default | ||
|  |         code = "setInterval(function() {#{remote_function(options)}}, #{frequency} * 1000)" | ||
|  |         javascript_tag(code) | ||
|  |       end | ||
|  |        | ||
|  |       def remote_function(options) | ||
|  |         javascript_options = options_for_ajax(options) | ||
|  | 
 | ||
|  |         update = '' | ||
|  |         if options[:update] && options[:update].is_a?(Hash) | ||
|  |           update  = [] | ||
|  |           update << "success:'#{options[:update][:success]}'" if options[:update][:success] | ||
|  |           update << "failure:'#{options[:update][:failure]}'" if options[:update][:failure] | ||
|  |           update  = '{' + update.join(',') + '}' | ||
|  |         elsif options[:update] | ||
|  |           update << "'#{options[:update]}'" | ||
|  |         end | ||
|  | 
 | ||
|  |         function = "#{JQUERY_VAR}.ajax(#{javascript_options})" | ||
|  | 
 | ||
|  |         function = "#{options[:before]}; #{function}" if options[:before] | ||
|  |         function = "#{function}; #{options[:after]}"  if options[:after] | ||
|  |         function = "if (#{options[:condition]}) { #{function}; }" if options[:condition] | ||
|  |         function = "if (confirm('#{escape_javascript(options[:confirm])}')) { #{function}; }" if options[:confirm] | ||
|  |         return function | ||
|  |       end | ||
|  |        | ||
|  |       class JavaScriptGenerator | ||
|  |         module GeneratorMethods | ||
|  |            | ||
|  |           def insert_html(position, id, *options_for_render) | ||
|  |             insertion = position.to_s.downcase | ||
|  |             insertion = 'append' if insertion == 'bottom' | ||
|  |             insertion = 'prepend' if insertion == 'top' | ||
|  |             call "#{JQUERY_VAR}(\"#{jquery_id(id)}\").#{insertion}", render(*options_for_render) | ||
|  |           end | ||
|  |            | ||
|  |           def replace_html(id, *options_for_render) | ||
|  |             insert_html(:html, id, *options_for_render) | ||
|  |           end | ||
|  |            | ||
|  |           def replace(id, *options_for_render) | ||
|  |             call "#{JQUERY_VAR}(\"#{jquery_id(id)}\").replaceWith", render(*options_for_render) | ||
|  |           end | ||
|  |            | ||
|  |           def remove(*ids) | ||
|  |             call "#{JQUERY_VAR}(\"#{jquery_ids(ids)}\").remove" | ||
|  |           end | ||
|  |            | ||
|  |           def show(*ids) | ||
|  |             call "#{JQUERY_VAR}(\"#{jquery_ids(ids)}\").show" | ||
|  |           end | ||
|  |            | ||
|  |           def hide(*ids) | ||
|  |             call "#{JQUERY_VAR}(\"#{jquery_ids(ids)}\").hide" | ||
|  |           end | ||
|  | 
 | ||
|  |           def toggle(*ids) | ||
|  |             call "#{JQUERY_VAR}(\"#{jquery_ids(ids)}\").toggle" | ||
|  |           end | ||
|  |            | ||
|  |           def jquery_id(id) | ||
|  |             id.to_s.count('#.*,>+~:[/ ') == 0 ? "##{id}" : id | ||
|  |           end | ||
|  |            | ||
|  |           def jquery_ids(ids) | ||
|  |             Array(ids).map{|id| jquery_id(id)}.join(',') | ||
|  |           end | ||
|  |            | ||
|  |         end | ||
|  |       end | ||
|  |        | ||
|  |     protected | ||
|  |       def options_for_ajax(options) | ||
|  |         js_options = build_callbacks(options) | ||
|  |          | ||
|  |         url_options = options[:url] | ||
|  |         url_options = url_options.merge(:escape => false) if url_options.is_a?(Hash) | ||
|  |         js_options['url'] = "'#{url_for(url_options)}'" | ||
|  |         js_options['async'] = false if options[:type] == :synchronous | ||
|  |         js_options['type'] = options[:method] ? method_option_to_s(options[:method]) : ( options[:form] ? "'post'" : nil ) | ||
|  |         js_options['dataType'] = options[:datatype] ? "'#{options[:datatype]}'" : (options[:update] ? nil : "'script'") | ||
|  |          | ||
|  |         if options[:form] | ||
|  |           js_options['data'] = "#{JQUERY_VAR}.param(#{JQUERY_VAR}(this).serializeArray())" | ||
|  |         elsif options[:submit] | ||
|  |           js_options['data'] = "#{JQUERY_VAR}(\"##{options[:submit]} :input\").serialize()" | ||
|  |         elsif options[:with] | ||
|  |           js_options['data'] = options[:with].gsub("Form.serialize(this.form)","#{JQUERY_VAR}.param(#{JQUERY_VAR}(this.form).serializeArray())") | ||
|  |         end | ||
|  |          | ||
|  |         js_options['type'] ||= "'post'" | ||
|  |         if options[:method] | ||
|  |           if method_option_to_s(options[:method]) == "'put'" || method_option_to_s(options[:method]) == "'delete'" | ||
|  |             js_options['type'] = "'post'" | ||
|  |             if js_options['data'] | ||
|  |               js_options['data'] << " + '&" | ||
|  |             else | ||
|  |               js_options['data'] = "'" | ||
|  |             end | ||
|  |             js_options['data'] << "_method=#{options[:method]}'" | ||
|  |           end | ||
|  |         end | ||
|  |          | ||
|  |         if respond_to?('protect_against_forgery?') && protect_against_forgery? | ||
|  |           if js_options['data'] | ||
|  |             js_options['data'] << " + '&" | ||
|  |           else | ||
|  |             js_options['data'] = "'" | ||
|  |           end | ||
|  |           js_options['data'] << "#{request_forgery_protection_token}=' + encodeURIComponent('#{escape_javascript form_authenticity_token}')" | ||
|  |         end | ||
|  |         js_options['data'] = "''" if js_options['type'] == "'post'" && js_options['data'].nil? | ||
|  |         options_for_javascript(js_options.reject {|key, value| value.nil?}) | ||
|  |       end | ||
|  |        | ||
|  |       def build_update_for_success(html_id, insertion=nil) | ||
|  |         insertion = build_insertion(insertion) | ||
|  |         "#{JQUERY_VAR}('#{jquery_id(html_id)}').#{insertion}(request);" | ||
|  |       end | ||
|  | 
 | ||
|  |       def build_update_for_error(html_id, insertion=nil) | ||
|  |         insertion = build_insertion(insertion) | ||
|  |         "#{JQUERY_VAR}('#{jquery_id(html_id)}').#{insertion}(request.responseText);" | ||
|  |       end | ||
|  | 
 | ||
|  |       def build_insertion(insertion) | ||
|  |         insertion = insertion ? insertion.to_s.downcase : 'html' | ||
|  |         insertion = 'append' if insertion == 'bottom' | ||
|  |         insertion = 'prepend' if insertion == 'top' | ||
|  |         insertion | ||
|  |       end | ||
|  | 
 | ||
|  |       def build_observer(klass, name, options = {}) | ||
|  |         if options[:with] && (options[:with] !~ /[\{=(.]/) | ||
|  |           options[:with] = "'#{options[:with]}=' + value" | ||
|  |         else | ||
|  |           options[:with] ||= 'value' unless options[:function] | ||
|  |         end | ||
|  | 
 | ||
|  |         callback = options[:function] || remote_function(options) | ||
|  |         javascript  = "#{JQUERY_VAR}('#{jquery_id(name)}').delayedObserver(" | ||
|  |         javascript << "#{options[:frequency] || 0}, " | ||
|  |         javascript << "function(element, value) {" | ||
|  |         javascript << "#{callback}}" | ||
|  |         #javascript << ", '#{options[:on]}'" if options[:on] | ||
|  |         javascript << ")" | ||
|  |         javascript_tag(javascript) | ||
|  |       end | ||
|  |        | ||
|  |       def build_callbacks(options) | ||
|  |         callbacks = {} | ||
|  |         options[:beforeSend] = ''; | ||
|  |         [:uninitialized,:loading,:loaded].each do |key| | ||
|  |           options[:beforeSend] << (options[key].last == ';' ? options.delete(key) : options.delete(key) << ';') if options[key] | ||
|  |         end | ||
|  |         options.delete(:beforeSend) if options[:beforeSend].blank? | ||
|  |         options[:error] = options.delete(:failure) if options[:failure] | ||
|  |         if options[:update] | ||
|  |           if options[:update].is_a?(Hash) | ||
|  |             options[:update][:error] = options[:update].delete(:failure) if options[:update][:failure] | ||
|  |             if options[:update][:success] | ||
|  |               options[:success] = build_update_for_success(options[:update][:success], options[:position]) << (options[:success] ? options[:success] : '') | ||
|  |             end | ||
|  |             if options[:update][:error] | ||
|  |               options[:error] = build_update_for_error(options[:update][:error], options[:position]) << (options[:error] ? options[:error] : '') | ||
|  |             end | ||
|  |           else | ||
|  |             options[:success] = build_update_for_success(options[:update], options[:position]) << (options[:success] ? options[:success] : '') | ||
|  |           end | ||
|  |         end | ||
|  |         options.each do |callback, code| | ||
|  |           if JQCALLBACKS.include?(callback) | ||
|  |             callbacks[callback] = "function(request){#{code}}" | ||
|  |           end | ||
|  |         end | ||
|  |         callbacks | ||
|  |       end | ||
|  |        | ||
|  |     end | ||
|  |      | ||
|  |     class JavaScriptElementProxy < JavaScriptProxy #:nodoc: | ||
|  |        | ||
|  |       unless const_defined? :JQUERY_VAR | ||
|  |         JQUERY_VAR = ActionView::Helpers::PrototypeHelper::JQUERY_VAR | ||
|  |       end | ||
|  |        | ||
|  |       def initialize(generator, id) | ||
|  |         id = id.to_s.count('#.*,>+~:[/ ') == 0 ? "##{id}" : id | ||
|  |         @id = id | ||
|  |         super(generator, "#{JQUERY_VAR}(\"#{id}\")") | ||
|  |       end | ||
|  |        | ||
|  |       def replace_html(*options_for_render) | ||
|  |         call 'html', @generator.send(:render, *options_for_render) | ||
|  |       end | ||
|  | 
 | ||
|  |       def replace(*options_for_render) | ||
|  |         call 'replaceWith', @generator.send(:render, *options_for_render) | ||
|  |       end | ||
|  |        | ||
|  |       def reload(options_for_replace={}) | ||
|  |         replace(options_for_replace.merge({ :partial => @id.to_s.sub(/^#/,'') })) | ||
|  |       end | ||
|  |        | ||
|  |       def value() | ||
|  |         call 'val()' | ||
|  |       end | ||
|  | 
 | ||
|  |       def value=(value) | ||
|  |         call 'val', value | ||
|  |       end | ||
|  |        | ||
|  |     end | ||
|  |      | ||
|  |     class JavaScriptElementCollectionProxy < JavaScriptCollectionProxy #:nodoc:\ | ||
|  |        | ||
|  |       unless const_defined? :JQUERY_VAR | ||
|  |         JQUERY_VAR = ActionView::Helpers::PrototypeHelper::JQUERY_VAR | ||
|  |       end | ||
|  |        | ||
|  |       def initialize(generator, pattern) | ||
|  |         super(generator, "#{JQUERY_VAR}(#{pattern.to_json})") | ||
|  |       end | ||
|  |     end | ||
|  |      | ||
|  |     module ScriptaculousHelper | ||
|  |        | ||
|  |       unless const_defined? :JQUERY_VAR | ||
|  |         JQUERY_VAR = ActionView::Helpers::PrototypeHelper::JQUERY_VAR | ||
|  |       end | ||
|  |        | ||
|  |       unless const_defined? :SCRIPTACULOUS_EFFECTS | ||
|  |         SCRIPTACULOUS_EFFECTS = { | ||
|  |           :appear => {:method => 'fadeIn'}, | ||
|  |           :blind_down => {:method => 'blind', :mode => 'show', :options => {:direction => 'vertical'}}, | ||
|  |           :blind_up => {:method => 'blind', :mode => 'hide', :options => {:direction => 'vertical'}}, | ||
|  |           :blind_right => {:method => 'blind', :mode => 'show', :options => {:direction => 'horizontal'}}, | ||
|  |           :blind_left => {:method => 'blind', :mode => 'hide', :options => {:direction => 'horizontal'}}, | ||
|  |           :bounce_in => {:method => 'bounce', :mode => 'show', :options => {:direction => 'up'}}, | ||
|  |           :bounce_out => {:method => 'bounce', :mode => 'hide', :options => {:direction => 'up'}}, | ||
|  |           :drop_in => {:method => 'drop', :mode => 'show', :options => {:direction => 'up'}}, | ||
|  |           :drop_out => {:method => 'drop', :mode => 'hide', :options => {:direction => 'down'}}, | ||
|  |           :fade => {:method => 'fadeOut'}, | ||
|  |           :fold_in => {:method => 'fold', :mode => 'hide'}, | ||
|  |           :fold_out => {:method => 'fold', :mode => 'show'}, | ||
|  |           :grow => {:method => 'scale', :mode => 'show'}, | ||
|  |           :shrink => {:method => 'scale', :mode => 'hide'}, | ||
|  |           :slide_down => {:method => 'slide', :mode => 'show', :options => {:direction => 'up'}}, | ||
|  |           :slide_up => {:method => 'slide', :mode => 'hide', :options => {:direction => 'up'}}, | ||
|  |           :slide_right => {:method => 'slide', :mode => 'show', :options => {:direction => 'left'}}, | ||
|  |           :slide_left => {:method => 'slide', :mode => 'hide', :options => {:direction => 'left'}}, | ||
|  |           :squish => {:method => 'scale', :mode => 'hide', :options => {:origin => "['top','left']"}}, | ||
|  |           :switch_on => {:method => 'clip', :mode => 'show', :options => {:direction => 'vertical'}}, | ||
|  |           :switch_off => {:method => 'clip', :mode => 'hide', :options => {:direction => 'vertical'}}, | ||
|  |           :toggle_appear => {:method => 'fadeToggle'}, | ||
|  |           :toggle_slide => {:method => 'slide', :mode => 'toggle', :options => {:direction => 'up'}}, | ||
|  |           :toggle_blind => {:method => 'blind', :mode => 'toggle', :options => {:direction => 'vertical'}}, | ||
|  |         } | ||
|  |       end | ||
|  |        | ||
|  |       def visual_effect(name, element_id = false, js_options = {}) | ||
|  |         element = element_id ? element_id : "this" | ||
|  |          | ||
|  |         if SCRIPTACULOUS_EFFECTS.has_key? name.to_sym | ||
|  |           effect = SCRIPTACULOUS_EFFECTS[name.to_sym] | ||
|  |           name = effect[:method] | ||
|  |           mode = effect[:mode] | ||
|  |           js_options = js_options.merge(effect[:options]) if effect[:options] | ||
|  |         end | ||
|  |          | ||
|  |         [:color, :direction].each do |option| | ||
|  |           js_options[option] = "'#{js_options[option]}'" if js_options[option] | ||
|  |         end | ||
|  |          | ||
|  |         if js_options.has_key? :duration | ||
|  |           speed = js_options.delete :duration | ||
|  |           speed = (speed * 1000).to_i unless speed.nil? | ||
|  |         else | ||
|  |           speed = js_options.delete :speed | ||
|  |         end | ||
|  |          | ||
|  |         if ['fadeIn','fadeOut','fadeToggle'].include?(name) | ||
|  |           javascript = "#{JQUERY_VAR}('#{jquery_id(element_id)}').#{name}(" | ||
|  |           javascript << "#{speed}" unless speed.nil? | ||
|  |           javascript << ");" | ||
|  |         else | ||
|  |           javascript = "#{JQUERY_VAR}('#{jquery_id(element_id)}').#{mode || 'effect'}('#{name}'" | ||
|  |           javascript << ",#{options_for_javascript(js_options)}" unless speed.nil? && js_options.empty? | ||
|  |           javascript << ",#{speed}" unless speed.nil? | ||
|  |           javascript << ");" | ||
|  |         end | ||
|  |          | ||
|  |       end | ||
|  |        | ||
|  |       def sortable_element_js(element_id, options = {}) #:nodoc: | ||
|  |         #convert similar attributes | ||
|  |         options[:handle] = ".#{options[:handle]}" if options[:handle] | ||
|  |         if options[:tag] || options[:only] | ||
|  |           options[:items] = "> " | ||
|  |           options[:items] << options.delete(:tag) if options[:tag] | ||
|  |           options[:items] << ".#{options.delete(:only)}" if options[:only] | ||
|  |         end | ||
|  |         options[:connectWith] = options.delete(:containment).map {|x| "##{x}"} if options[:containment] | ||
|  |         options[:containment] = options.delete(:container) if options[:container] | ||
|  |         options[:dropOnEmpty] = false unless options[:dropOnEmpty] | ||
|  |         options[:helper] = "'clone'" if options[:ghosting] == true | ||
|  |         options[:axis] = case options.delete(:constraint) | ||
|  |           when "vertical" | ||
|  |             "y" | ||
|  |           when "horizontal" | ||
|  |             "x" | ||
|  |           when false | ||
|  |             nil | ||
|  |           when nil | ||
|  |             "y" | ||
|  |         end | ||
|  |         options.delete(:axis) if options[:axis].nil? | ||
|  |         options.delete(:overlap) | ||
|  |         options.delete(:ghosting) | ||
|  |          | ||
|  |         if options[:onUpdate] || options[:url] | ||
|  |           options[:with] ||= "#{JQUERY_VAR}(this).sortable('serialize',{key:'#{element_id}[]'})" | ||
|  |           options[:onUpdate] ||= "function(){" + remote_function(options) + "}" | ||
|  |         end | ||
|  |          | ||
|  |         options.delete_if { |key, value| PrototypeHelper::AJAX_OPTIONS.include?(key) } | ||
|  |         options[:update] = options.delete(:onUpdate) if options[:onUpdate] | ||
|  |          | ||
|  |         [:axis, :cancel, :containment, :cursor, :handle, :tolerance, :items, :placeholder].each do |option| | ||
|  |           options[option] = "'#{options[option]}'" if options[option] | ||
|  |         end | ||
|  |          | ||
|  |         options[:connectWith] = array_or_string_for_javascript(options[:connectWith]) if options[:connectWith] | ||
|  |          | ||
|  |         %(#{JQUERY_VAR}('#{jquery_id(element_id)}').sortable(#{options_for_javascript(options)});) | ||
|  |       end | ||
|  |        | ||
|  |       def draggable_element_js(element_id, options = {}) | ||
|  |         %(#{JQUERY_VAR}("#{jquery_id(element_id)}").draggable(#{options_for_javascript(options)});) | ||
|  |       end | ||
|  |        | ||
|  |       def drop_receiving_element_js(element_id, options = {}) | ||
|  |         #convert similar options | ||
|  |         options[:hoverClass] = options.delete(:hoverclass) if options[:hoverclass] | ||
|  |         options[:drop] = options.delete(:onDrop) if options[:onDrop] | ||
|  |          | ||
|  |         if options[:drop] || options[:url] | ||
|  |           options[:with] ||= "'id=' + encodeURIComponent(#{JQUERY_VAR}(ui.draggable).attr('id'))" | ||
|  |           options[:drop] ||= "function(ev, ui){" + remote_function(options) + "}" | ||
|  |         end | ||
|  |          | ||
|  |         options.delete_if { |key, value| PrototypeHelper::AJAX_OPTIONS.include?(key) } | ||
|  | 
 | ||
|  |         options[:accept] = array_or_string_for_javascript(options[:accept]) if options[:accept]     | ||
|  |         [:activeClass, :hoverClass, :tolerance].each do |option| | ||
|  |           options[option] = "'#{options[option]}'" if options[option] | ||
|  |         end | ||
|  |          | ||
|  |         %(#{JQUERY_VAR}('#{jquery_id(element_id)}').droppable(#{options_for_javascript(options)});) | ||
|  |       end | ||
|  |        | ||
|  |     end | ||
|  |      | ||
|  |   end | ||
|  | end |