Created
January 25, 2011 09:17
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2dc_jqgrid + rails3
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| class UsersController < ApplicationController | |
| extend ActiveSupport::Memoizable | |
| ... | |
| def index | |
| @@index_columns ||= ['username', 'email', 'comments'] | |
| @users = User.scoped | |
| if params[:_search] == "true" | |
| @@index_columns.each do |param| | |
| if params[param].present? | |
| @users = @users.where(param.matches("%#{params[param]}%")) | |
| end | |
| end | |
| end | |
| if order_by | |
| @users = @users.order(order_by) | |
| end | |
| @users = @users.paginate(:page => params[:page], :per_page => params[:rows] || 10) | |
| respond_to do |format| | |
| format.html | |
| format.json do | |
| render :json => @users.to_jqgrid_json( | |
| @@index_columns, | |
| params[:page], params[:rows], @users.total_entries | |
| ) | |
| end | |
| end | |
| end | |
| private | |
| def order_by | |
| if sort_index and sort_order | |
| sort_index + " " + sort_order | |
| else | |
| nil | |
| end | |
| end | |
| def sort_index | |
| if @@index_columns.include?(params[:sidx]) | |
| params[:sidx] | |
| else | |
| nil | |
| end | |
| end | |
| def sort_order | |
| if %w[asc desc].include?(params[:sord]) | |
| params[:sord] | |
| else | |
| nil | |
| end | |
| end | |
| memoize :order_by, :sort_index, :sort_order | |
| end |
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