## mark a section (Learn more)

# Controller: def show respond_to do |format| format.html format.json { render :json => @photo.to_json(:only => [:id, :caption, :title]) } end end def update @photo.attributes = params[:photo] if @photo.save flash[:notice] = "Photo saved." respond_to do |format| format.html { redirect_to [@photo.member, @photo] and return } format.js end else flash[:error] = "Could not save photo." respond_to do |format| format.html { render :action => "edit" } format.js end end end # Helper: def in_place_editor(object, field, options = {}) options[:url] ||= object function = "new Ajax.InPlaceEditor(" function << "'#{object.class.to_s.downcase}_#{object.id}_#{field}', " function << "'#{url_for(options[:url])}'" js_options = {} if protect_against_forgery? options[:with] ||= "Form.serialize(form)" options[:with] += " + '&authenticity_token=' + encodeURIComponent('#{form_authenticity_token}')" end options[:options] ||= '{method: "put"}' js_options["paramName"] = "'#{object.class.to_s.downcase}[#{field}]'" js_options['cancelText'] = %('#{options[:cancel_text]}') if options[:cancel_text] js_options['okText'] = %('#{options[:save_text]}') if options[:save_text] js_options['loadingText'] = %('#{options[:loading_text]}') if options[:loading_text] js_options['savingText'] = %('#{options[:saving_text]}') if options[:saving_text] js_options['rows'] = options[:rows] if options[:rows] js_options['cols'] = options[:cols] if options[:cols] js_options['size'] = options[:size] if options[:size] js_options['externalControl'] = "'#{options[:external_control]}'" if options[:external_control] js_options['loadTextURL'] = "'#{url_for(options[:load_text_url])}'" if options[:load_text_url] js_options['ajaxOptions'] = options[:options] if options[:options] js_options['htmlResponse'] = !options[:script] if options[:script] js_options['callback'] = "function(form) { return #{options[:with]} }" if options[:with] js_options['clickToEditText'] = %('#{options[:click_to_edit_text]}') if options[:click_to_edit_text] js_options['textBetweenControls'] = %('#{options[:text_between_controls]}') if options[:text_between_controls] js_options['onComplete'] = "function(transport, element) { eval(transport.responseText); }" js_options['onFailure'] = "function(transport) { eval(transport.responseText); }" function << (', ' + options_for_javascript(js_options)) unless js_options.empty? function << ").loadExternalText = function() { this._form.addClassName(this.options.loadingClassName); this._controls.editor.disabled = true; var options = Object.extend({ method: 'get' }, this.options.ajaxOptions); options.method = \"get\"; Object.extend(options, { parameters: 'editorId=' + encodeURIComponent(this.element.id), onComplete: Prototype.emptyFunction, onSuccess: function(transport) { this._form.removeClassName(this.options.loadingClassName); var text = transport.responseText.evalJSON()['#{object.class.to_s.downcase}']['#{field}']; this._controls.editor.value = text; this._controls.editor.disabled = false; this.postProcessEditField(); }.bind(this), onFailure: this._boundFailureHandler }); new Ajax.Request(this.options.loadTextURL, options); };" javascript_tag(function) end # View: <%= in_place_editor(@photo, :caption, :url => [@photo.member, @photo], :load_text_url => formatted_member_photo_path(@photo.member, @photo, :json)) %> # Fugly, embarassing code by Norman Clarke (http://randomba.org)

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