Class: ExplorerController

Inherits:
ApplicationController show all
Defined in:
app/controllers/explorer_controller.rb

Overview

require “rdb_concat”

Instance Method Summary collapse

Instance Method Details

#add_keyname ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 22

def add_keyname
    @results=session[:results]
    @results.keynames.push(params[:keyname])
    @results.keynames.uniq!
    session[:results]=@results
    valuelist=@results.get_keyvalue_list(params[:keyname])
    if valuelist.size>0 then
      render :update do |page|
       valuelist.each{ |v|
         page.insert_html(:bottom,"kw_#{params[:keyname]}","<li><a href=\"/explorer/search_kw?keyname=#{params[:keyname]}&keyvalue=#{v.value}\">#{v.value}(#{v.cnt})</a></li>")
       }
      page.show("kw_#{params[:keyname]}_close")       
      end
    end     
end

#categorized_search ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 158

def categorized_search

  descriptions=Array.new
  queries=params[:query]
  queries.keys.each{|k|
   if queries[k]!=nil then
     descriptions.push(queries[k])
   end
  }
  options=Hash.new
  if params["show_kwfacets"] then
    options["show_kwfacets"]=params["show_kwfacets"]
  else
    options["show_kwfacets"]=0   
  end
  if params["show_kwvalues"] then
    options["show_kwvalues"]=params["show_kwvalues"]
  else
    options["show_kwvalue"]=0   
  end
  if params["show_spfacets"] then
    options["show_spfacets"]=params["show_spfacets"]
  else
    options["show_spfacets"]=0   
  end

  user = (=session[:user]) && User.()

  eq=ExplorerQuery.new
  qstr = eq.make_query(descriptions,user)
  rnodes=Node.find_by_sql(qstr)
  expres=ExplorerResult.new(-1)
  expres.put_results(rnodes)
  session[:result]=expres   
  results=eq.generate_results(rnodes,expres,options)
  render :xml => results
end

#del_keyname ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 38

def del_keyname
    @results=session[:results]
    @results.keynames.delete(params[:keyname])
    session[:results]=@results
    render :update do |page|
      page.replace_html("kw_#{params[:keyname]}","")
      page.hide("kw_#{params[:keyname]}_close")
    end
end

#get_keyvalue ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 47

def get_keyvalue
      @results=ExplorerResult.new(0)
 
    # @results=session[:result]
     @results.keynames.push(params["keyname"])
    @results.keynames.uniq!
 
	session[:result]=@results
	@valuelist=@results.get_keyvalue_list(params["keyname"])
	

render :xml=>@valuelist
end

#index ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 7

def index 
  session[:previd]=nil
  @previd=nil
  @qargs=nil
  @results=ExplorerResult.new(0)
  @queryconditions=Array.new
  session[:results]=@results
   session[:result]=@results
  session[:qsetid]=1
  session[:queryconditions]=@queryconditions
  session[:qcond_selection]=Array.new
  session[:nodetype_selection]=Array.new
  session[:qcno]=0
end

#nodetype_selection ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 110

def nodetype_selection
  num=0
  types=Array.new
  @nodetypes=Hash.new
  ntypes=["data","knowledge","function","draw_method"]
  ntypes.each{ |nt|
    value=params["nodetype_#{nt}"]
    if value then
      if params["nodetype_#{nt}"]=="1" then
        types.push(nt)
        num=num+1
        @nodetypes[nt]=1
      else
        @nodetypes[nt]=0
      end
    else
      @nodetypes[nt]=0
    end
  }
  if num==0 then
    redirect_to :action=>"index"
  else
    types_str=types.join(",")
    search("nodetype","[N]#{types_str}")
  end
end

#queryconditions_selection ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 93

def queryconditions_selection
  num=0
  for i in 0..session[:qcno].to_i-1
    if params["qcond_selection_#{i}"]=="1" then
      session[:qcond_selection][i]=1
      num=num+1
    else
      session[:qcond_selection][i]=0
    end
  end
  if num==0 then
    redirect_to :action=>"index"
  else
    search("qcond_selection",params[:queryset_id].to_i)
  end
end

#search(querytype, desc) ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 137

def search(querytype,desc)
  if session[:queryconditions] then
    @queryconditions=session[:queryconditions]
    if querytype!="qcond_selection" then
      @queryconditions.push(desc)
    end
  end
  
  user = (=session[:user]) && User.()

  eq=ExplorerQuery.new
  qstr = eq.make_query(@queryconditions,user)
  if qstr!="" then
    @results=ExplorerResult.new(@qsetid)
    @results.put_results(Node.find_by_sql(qstr))
  end
  session[:results]=@results
  render :action=>"index.rhtml"
end

#search_freeword ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 66

def search_freeword
  desc="[F]#{params[:freeword]}"
  search("freeword",desc)
end

#search_kname ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 78

def search_kname
  desc="[K]#{params[:keyname]}"
  search("keyname",desc) 
end

#search_kw ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 72

def search_kw 
  desc="[K]#{params[:keyname]}=#{params[:keyvalue]}"
  search("keyword",desc)
end

#search_path ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 61

def search_path
  desc="[P]#{params[:path]}"
  search("path",desc)
end

#search_space ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 83

def search_space    
   desc = "[S](#{params[:start_lon]},#{params[:start_lat]})-(#{params[:end_lon]},#{params[:end_lat]})"
   search("space",desc)
end

#search_time ⇒ Object 



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# File 'app/controllers/explorer_controller.rb', line 88

def search_time
  desc="[T]#{params[:starttime]}~#{params[:endtime]}"
  search("time",desc)
end