function feederKelasPerkuliahan(){  

  var ds_prodireg = store_prodireg();
  var ds_stsmt = store_stsmt();
  var arr_wajib = [['A', 'Wajib'], ['B', 'Pilihan']];
  var ds_wajib = new Ext.data.ArrayStore({
    fields: ['val', 'text'],
    data : arr_wajib 
  });

  var ds_struprogdet = new Ext.data.JsonStore({
    proxy: new Ext.data.HttpProxy({
      url: BASE_URL + 'feeder/feederkelasperkuliahan_controller/get_struprogdet',
      method: 'POST'
    }),
    //autoLoad: true,
    root: 'data',
    fields: [
    {name: 'idstruprogdet', mapping: 'idstruprogdet'},
    {name: 'kdprodi', mapping: 'kdprodi'},
    {name: 'kdstsemester', mapping: 'kdstsemester'},
    {name: 'kdmk', mapping: 'kdmk'},
    {name: 'idkelas', mapping: 'idkelas'},
    {name: 'kdjenjangstudi', mapping: 'kdjenjangstudi'},
    {name: 'silabus', mapping: 'silabus'},
    {name: 'satuanacarakuliah', mapping: 'satuanacarakuliah'},
    {name: 'bahanajar', mapping: 'bahanajar'},
    {name: 'diktat', mapping: 'diktat'},
    {name: 'idsemester', mapping: 'idsemester'},
    {name: 'jmlsks', mapping: 'jmlsks'},
    {name: 'skstatapmuka', mapping: 'skstatapmuka'},
    {name: 'skspraktikum', mapping: 'skspraktikum'},
    {name: 'sksprakteklap', mapping: 'sksprakteklap'},
    {name: 'skssim', mapping: 'skssim'},
    {name: 'jnskurikulum', mapping: 'jnskurikulum'},
    {name: 'jnsmk', mapping: 'jnsmk'},
    {name: 'stmk', mapping: 'stmk'},
    {name: 'nmmkind', mapping: 'nmmkind'},
    {name: 'nmkelas', mapping: 'nmkelas'},
    {name: 'idkelas', mapping: 'idkelas'},
    ]
  });

  var grid_kelaskuliah = new Ext.grid.EditorGridPanel({
    id: 'grid_kelaskuliah',
    title: 'Kelas Perkuliahan',
    store: ds_struprogdet,
    autoScroll: true,
    frame: true,
    clicksToEdit: 1,  //for cell editing (single click =1, dblclick=2)
    view: new Ext.grid.GridView({emptyText: '< Belum ada Data >'}),
    loadMask: true,
    height: 480,
    columnLines: true,
    tbar:[{
      text: 'Export To Feeder', 
      id: 'id_eks_feeder', 
      iconCls: 'silk-book', 
      handler: function() {
        export_kelaskuliah_to_feeder();  
      }
    }],
    listeners:{
      afteredit:function(){
      }
    },
    columns: [new Ext.grid.RowNumberer(),
    {
      header: setHeaderGrid('Kode Mata Kuliah'),
      width: 100,
      dataIndex: 'kdmk',
      sortable: true,
      align:'left',
    },{
      header: setHeaderGrid('Nama Mata Kuliah'),
      width: 200,
      dataIndex: 'nmmkind',
      sortable: true,
      align:'left',
    },{
      header: setHeaderGrid('ID Kelas'),
      width: 70,
      dataIndex: 'idkelas',
      sortable: true,
      align:'left',
    },{
      header: setHeaderGrid('Nama Kelas'),
      width: 100,
      dataIndex: 'nmkelas',
      sortable: true,
      align:'left',
    },{
      header: setHeaderGrid('Jumlah SKS'),
      width: 100,
      dataIndex: 'jmlsks',
      sortable: true,
      align:'left',
      editor: RH.getNumEditor('jmlsks', 'INTEGER', 0, 50, false, function(){}),
      xtype: 'numbercolumn', format:'0,000',
    },{
      header: setHeaderGrid('SKS Tatap Muka'),
      width: 100,
      dataIndex: 'skstatapmuka',
      sortable: true,
      align:'left',
      editor: RH.getNumEditor('skstatapmuka', 'INTEGER', 0, 50, false, function(){}),
      xtype: 'numbercolumn', format:'0,000',
    },{
      header: setHeaderGrid('SKS Praktikum'),
      width: 100,
      dataIndex: 'skspraktikum',
      sortable: true,
      align:'left',
      editor: RH.getNumEditor('skspraktikum', 'INTEGER', 0, 50, false, function(){}),
      xtype: 'numbercolumn', format:'0,000',
    },{
      header: setHeaderGrid('SKS Praktek Lap.'),
      width: 100,
      dataIndex: 'sksprakteklap',
      sortable: true,
      align:'left',
      editor: RH.getNumEditor('sksprakteklap', 'INTEGER', 0, 50, false, function(){}),
      xtype: 'numbercolumn', format:'0,000',
    },{
      header: setHeaderGrid('SKS Simulasi'),
      width: 100,
      dataIndex: 'skssim',
      sortable: true,
      align:'left',
      editor: RH.getNumEditor('skssim', 'INTEGER', 0, 50, false, function(){}),
      xtype: 'numbercolumn', format:'0,000',
    }],
  }); 

  var form_bp_general = new Ext.form.FormPanel({
    id: 'form_export_feeder_kelaskuliah',
    title: 'Export Kelas Perkuliahan',
    xtype: 'panel',
    frame: true,
    width: 900, Height: 1000,
    /*
    layout: {
      type: 'form',
      pack: 'center',
      align: 'center'
    },*/
    layout:'anchor',
    autoScroll: true,
    items: [
    {
      xtype: 'fieldset', 
      layout: 'form',
      autoHeight: true,
      boxMaxHeight:330,
      labelWidth: 100, labelAlign: 'right',
      items: [{
        xtype: 'compositefield',
        fieldLabel: 'Program Studi ',
        items: [{
          id: 'cb.prodi',
          xtype: 'combo', 
          store: ds_prodireg, 
          triggerAction: 'all',
          valueField: 'kdprodi',
          displayField: 'lnmprodi',
          forceSelection: true, 
          submitValue: true, 
          mode: 'local',
          allowBlank: false, 
          editable: false,
          width: 300,
          listeners:{
            select:function(){
              reload_kelaskuliah();
            }
          }
        },{
          xtype: 'label', text: 'Tahun Akademik - Semester : ', margins: '3 5 0 15', //top right bottom left
        },{
          id: 'cb.stsemester',
          xtype: 'combo', 
          store: ds_stsmt, 
          triggerAction: 'all',
          valueField: 'kdstsemester',
          displayField: 'nmsmt',
          forceSelection: true, 
          submitValue: true, 
          mode: 'local',
          allowBlank: false, 
          editable: false,
          width: 160,
          listeners:{
            select:function(){
              reload_kelaskuliah();
            }
          }
        }]
      }]
    },
    grid_kelaskuliah]
  });
  SET_PAGE_CONTENT(form_bp_general);

  function setHeaderGrid(text, align){
    var hAlign = 'center';  
    if(align =='c') hAlign = 'center';
    if(align =='l') hAlign = 'left';
    if(align =='r') hAlign = 'right';
    return "<H3 align='"+hAlign+"'>"+text+"</H3>";
  }

  function reload_kelaskuliah(){
    var prodi      = Ext.getCmp('cb.prodi').getValue();
    var stsemester = Ext.getCmp('cb.stsemester').getValue();
    
    if(prodi && stsemester){
      ds_struprogdet.setBaseParam('kdprodi',prodi);
      ds_struprogdet.setBaseParam('kdstsemester',stsemester);
      ds_struprogdet.load();
      
    }
    
  }


  function export_kelaskuliah_to_feeder(){
    
    var prodi = Ext.getCmp("cb.prodi").getValue();
    var stsemester = Ext.getCmp("cb.stsemester").getValue();

    if (grid_kelaskuliah.getStore().getCount() == 0 || !prodi || !stsemester){
      Ext.MessageBox.alert("Informasi", "Data Tidak Boleh Kosong");
    
    }else{
      var waitmsg = Ext.MessageBox.wait('Mengekspor...', 'Info');
      var griddata = [];
      grid_kelaskuliah.getStore().each(function(rec){
        var rowData = rec.data;
        griddata.push(rowData);

      });
      var gridjson = JSON.stringify(griddata);

      Ext.Ajax.request({
        url: BASE_URL + 'feeder/feederkelasperkuliahan_controller/insert_kelas_kuliah',
        params: {
          prodi             : prodi,
          stsemester        : stsemester,
          griddata          : gridjson,
        },
        timeout: 1000000,
        success: function(response){
          waitmsg.hide();
          
          obj = Ext.util.JSON.decode(response.responseText);
          if(obj.success){
            Ext.MessageBox.alert('Informasi', 'Berhasil mengekspor kelas kuliah');
          }else{
            var err_msg = "Terjadi kesalahan <br>";
            for(var i = 0; i < obj.errors.length; i++)
            {
              err_msg += (i+1) + ". " + obj.errors[i] + '<br/>';
            }

            Ext.MessageBox.alert('Informasi', err_msg);

          }
          
        }
      });
    }

  }

}