# Alchemy.js is a graph drawing application for the web.
    # Copyright (C) 2014  GraphAlchemist, Inc.

    # This program is free software: you can redistribute it and/or modify
    # it under the terms of the GNU Affero General Public License as published by
    # the Free Software Foundation, either version 3 of the License, or
    # (at your option) any later version.

    # This program is distributed in the hope that it will be useful,
    # but WITHOUT ANY WARRANTY; without even the implied warranty of
    # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    # GNU Affero General Public License for more details.

    # You should have received a copy of the GNU Affero General Public License
    # along with this program.  If not, see <http://www.gnu.org/licenses/>.

    alchemy.search = 
        init: () ->
            searchBox = alchemy.dash
                               .select "#search input"

            searchBox.on "keyup", ()->
                input = searchBox[0][0].value.toLowerCase()

                alchemy.vis
                       .selectAll ".node"
                       .classed "inactive", false
                alchemy.vis
                       .selectAll "text"
                       .attr "style", -> "display: inline;" if input != ""
                alchemy.vis
                       .selectAll ".node"
                       .classed "inactive", (node) ->
                           DOMtext = d3.select @
                                       .text()
       
                           switch alchemy.conf.searchMethod
                               when 'contains'
                                   hidden = DOMtext.toLowerCase().indexOf(input) < 0
                               when 'begins'
                                   hidden = DOMtext.toLowerCase().indexOf(input) != 0
       
                           if hidden
                               alchemy.vis
                                      .selectAll "[source-target*='#{node.id}']"
                                      .classed "inactive", hidden
                           else
                               alchemy.vis
                                      .selectAll "[source-target*='#{node.id}']"
                                      .classed "inactive", (edge)-> 
                                           nodeIDs = [edge.source.id, edge.target.id]
                                           
                                           sourceHidden = alchemy.vis.select("#node-#{nodeIDs[0]}").classed "inactive"
                                           targetHidden = alchemy.vis.select("#node-#{nodeIDs[1]}").classed "inactive"
                                           
                                           targetHidden or sourceHidden
                           hidden