function edit_list() {
  var category_id = '';
  $("input[@type=radio]").each(
    function () {
      if (this.checked == true) {
        category_id =  this.value;
      }
    }
  );
  var ajax_url = 'ajax_links.php?action=edit_list&category_id='+category_id;
  $('#edit_list').html('<div class="required">loading ...</div>').load(ajax_url); 
}

var list = {
  selected_list : function () {
      var category_id = '-1';
      $("input[@type=radio]").each(
        function () {
          if (this.checked == true) {
          	if(!isNaN(this.value))//added by guozhu 0716
            	category_id =  this.value;
          }
        }
      );
      return category_id;
  },
  remove : function () {
    if (confirm('文件夹下面的所有链接将会被删除，确认删除？')) {
      post_data = 'category_id='+list.selected_list()+'&form_action=remove_list';      
      $.ajax({
        type: "POST",
        url: "ajax_links.php",
        data: post_data,
        success: function(msg) {          
          var json_data = eval('(' + msg + ')');
          if (json_data.is_error) {
            $('#error_message').html(json_data.errors);
          } else {
            $('#message_form').attr('action', 'links_management.php');
            $('#messages').attr('value', json_data.errors);
            document.forms['message_form'].submit();
          }
        }
      });
    }
  },
  create : function (is_submit) {
    
    if (is_submit) {
      if (trim($('#category_name').val()) == '') {
        //alert('Please enter a name for the new list');
        $('#error_message').html('Please enter a name for the new list');
        return false;
      }
      $('#form_action').attr('value', 'create_list');
      var post_data = $("input[@type=text]").serialize();
      post_data += '&'+$("input[@type=hidden]").serialize();
      $.ajax({
        type: "POST",
        url: "ajax_links.php",
        data: post_data,
        success: function(msg) {
          var json_data = eval('(' + msg + ')');
          if (json_data.is_error) {
            $('#error_message').html(json_data.errors);
          } else {
            $('#message_form').attr('action', 'links_management.php');
            $('#messages').attr('value', json_data.errors);
            $('#updated_category_id').attr('value', json_data.updated_category_id);
            document.forms['message_form'].submit();
          }          
        }
      });
      
    } else {
      var obj = document.getElementById("new_link_category");
      if (obj.className == "display_false") {
        obj.className = "display_true";
      } else if (obj.className == "display_true") {
        obj.className = "display_false";
      }
    }
  },
  update : function (is_submit) {
    if (is_submit) {
      if (trim($('#updated_category_name').val()) == '') {
        //alert('Please enter a name for the new list');
        $('#error_message').html('List name can not be empty');
        return false;
      }
      $('#form_action').attr('value', 'edit_list');
      var post_data = $("input[@type=text]").serialize();
      post_data += '&'+$("input[@type=hidden]").serialize();      
      $.ajax({
        type: "POST",
        url: "ajax_links.php",
        data: post_data,
        success: function(msg) {          
          var json_data = eval('(' + msg + ')');
          if (json_data.is_error) {
            $('#error_message').html(json_data.errors);
          } else {
            $('#message_form').attr('action', 'links_management.php');
            $('#messages').attr('value', json_data.errors);
            $('#updated_category_id').attr('value', json_data.updated_category_id);
            document.forms['message_form'].submit();
          }
        }
      });
      
    } else {
      var obj = document.getElementById("new_link_category");
      if (obj.className == "display_false") {
        obj.className = "display_true";
      } else if (obj.className == "display_true") {
        obj.className = "display_false";
      }
    }
  },
  highlight : function (cat_id) {
    $("input[@type='radio']").each(
      function () {
        if (this.value == cat_id) {
          this.checked = true;
        }
      }
    );
  }
}


var list_links = {
  checked_boxes : function () {
    var list_link_ids = new Array();
    $("input[@type=checkbox]").each(
      function () {
        if (this.checked == true) {
          list_link_ids.push(this.value);
        }
      }
    );
    return list_link_ids;
  }, 
	move_links_to_folder: function(form_action, skip) {
	  var form_name = 'formLinkManagement';
	  var form_obj = document.forms[form_name];
	  var condition;
	  if (skip) {
	    condition = true;
	  } else {
	  	var list_link_ids = this.checked_boxes();
	  	if(list_link_ids.length>0)
	  	{
	  		condition = true;
	  	}
	  	else
	  	{
	  		condition = false;
	  	}
	  }
	  switch(form_action) {
	    case 'delete':
	      if (condition) {
	        form_obj.form_action.value = 'delete';
	        form_obj.action='links_management.php';
	        form_obj.submit();
	      } else {
	        alert('Please select link(s) to delete');
	        return false;
	      }
	    break;
	    case 'move':
	      if (!condition) {
	        alert('Please select links(s) to move');
	        return false;
	      } else if (form_obj.sel_folder.value == "0") {
	        alert('Please select a folder.');
	        return false;
	      } else if (form_obj.sel_folder.value == -1) {
	        alert('Please create a folder to hold the link(s)');
	        return false;
	      } else {
	        form_obj.form_action.value = 'move';
	        form_obj.action='links_management.php';
	        form_obj.submit();        
	      }
	    break;    
	  }
	},  
  edit : function () {
    list_link_ids = this.checked_boxes();    
    if (list_link_ids.length == 0) {
      alert('Please select atleast one list link');
      return false;
    }
    //var post_data = '';
    var url = 'ajax_links.php';
    $('#formLinkManagement').attr('action', url);
    var ajax_url = 'ajax_links.php?action=edit_list_link&link_ids='+list_link_ids.join("_");
    $('#edit_list_links').html('<div class="required">loading ...</div>').load(ajax_url);
  },
  create : function (is_submit) {
    if (is_submit) {
      if (list.selected_list() == '-1') {
        //$('#error_message_links').html('请选择文件夹.');
        alert('请选择文件夹.');
        return false;
      }
      if (trim($('#title').val()) == '') {
        //$('#error_message_links').html('请输入收藏标题.');
        alert('请输入收藏标题.');
        return false;
      }
      if (trim($('#url').val()) == '') {
        //$('#error_message_links').html('请输入网址.');
        alert('请输入网址.');
        return false;
      }
      //alert($('textarea[@name^="remark"]').serialize());
      var post_data = $('#title').serialize();
      post_data += '&'+$('#url').serialize();    
      post_data += '&'+$('textarea[@name^="remark"]').serialize(); 
      post_data += '&form_action=create_link&category_id='+list.selected_list();

      $.ajax({
      type: "POST",
      url: "ajax_links.php",
      data: post_data,
      success: function(msg) {
        var json_data = eval('(' + msg + ')');        
        if (json_data.is_error) {
          $('#error_message_links').html(json_data.errors);
        } else {
          $('#message_form').attr('action', 'links_management.php');
          $('#messages').attr('value', json_data.errors);
          $('#updated_category_id').attr('value', json_data.updated_category_id);
          document.forms['message_form'].submit();
        }
      }
    });
      
    } else {
      var obj = document.getElementById("new_link_in_list");    
      if (obj.className == "display_false") {
        obj.className = "display_true";
      } else if (obj.className == "display_true") {
        obj.className = "display_false";
      }
    }
  },
  create_user_pri_favorite : function (is_create, para) {
    if (is_create) {
      
      if ($(document.forms['user_favorite_form']).find('#sel_folder').val() == "0") {
        alert('请选择文件夹。');
        return false;
      } else if ($(document.forms['user_favorite_form']).find('#sel_folder').val() == -1) {
        alert('没有可选文件夹，请先创建。');
        return false;
      }
 
      if (trim($(document.forms['user_favorite_form']).find('#title').val()) == '') {
        //$('#error_message_user_favorite').html('Please enter a caption for the link.');
        alert('请输入标题。');
        return false;
      }
      if (trim($(document.forms['user_favorite_form']).find('#url').val()) == '') {
        //$('#error_message_user_favorite').html('Please enter URL for the link.');
        alert('请输入网址。');
        return false;
      }

	      
      var post_data = $(document.forms['user_favorite_form']).find('#title').serialize();
      post_data += '&'+$(document.forms['user_favorite_form']).find('#url').serialize();    
      post_data += '&'+$(document.forms['user_favorite_form']).find('textarea[@name^="remark"]').serialize();  
      post_data += '&form_action=create_link&category_id='+$(document.forms['user_favorite_form']).find('#sel_folder').val();
      
      $('#btn_save_name').get(0).disabled = true;
      
      $.ajax({
      type: "POST",
      url: "ajax_links.php",
      data: post_data,
      success: function(msg) {
        var json_data = eval('(' + msg + ')');        
        if (json_data.is_error) {
          //$('#error_message_user_favorite').html(json_data.errors);
          alert(json_data.errors);
          $('#btn_save_name').get(0).disabled = false;
        } else {
          //$('#add_user_favorite').html(json_data.errors);
          alert(json_data.errors);
          $('#add_user_favorite').remove();
        }
      }
    });
      
    } else {
    	if($('#add_user_favorite'))
    	{
    		$('#add_user_favorite').remove();
    	}
    	$("<div id='add_user_favorite' class='add_user_favorite'></div>").appendTo("body");    	
    	var ajax_url = 'ajax_links.php?action=pop_add_link_ui&'+para;
      	$('#add_user_favorite').html('<div class="required">loading ...</div>').load(ajax_url, null, function(){
      		var fvrt = $('#add_user_favorite');
      		fvrt.Draggable({
				handle:	'#dragTitle'
			});
			var midLeft = screen.width / 2;
			var midHeight = screen.height / 2;
			fvrt.css({
				left: midLeft - 350/2,
				top: midHeight - 400/2
			});
      	});
      	
    }
  },  
  edit_action : function () {
    $('#form_action').attr('value', 'update_links');
    var error_mesg = '', counter = 1;
    $('input[@name^="title_updated"]').each(
      function () {
        if (trim(this.value) == '') {
          error_mesg += 'Link caption can not have empty value for link '+counter+'<br />';
          is_error = true;
          this.focus();
        }
        counter++;
      }
    );
    
    counter = 1;
    $('input[@name^="url_updated"]').each(
      function () {
        if (trim(this.value) == '') {
          error_mesg += 'URL can not be empty for link '+counter+'<br />';
          is_error = true;
          this.focus();
        }
        counter++;
      }
    );
    if (trim(error_mesg) != '') {
      $('#error_message_links').html(error_mesg);
      return false;
    }
    
    var post_data = $('input[@name^="title_updated"]').serialize();
    post_data += '&'+$('input[@name^="url_updated"]').serialize();
    post_data += '&'+$('input[@name^="link_id_updated"]').serialize();
    post_data += '&'+$('textarea[@name^="remark_updated"]').serialize();
    //post_data += '&category_id='+list.selected_list();
    post_data += '&'+$('input[@name^="category_id"]').serialize();
    post_data += '&form_action=update_links';        
    
    $.ajax({
      type: "POST",
      url: "ajax_links.php",
      data: post_data,
      success: function(msg) {        
        var json_data = eval('(' + msg + ')');
        if (json_data.is_error) {
          $('#error_message_links').html(json_data.errors);
        } else {          
          $('#message_form').attr('action', 'links_management.php');
          $('#messages').attr('value', json_data.errors);
          $('#updated_category_id').attr('value', json_data.updated_category_id);
          document.forms['message_form'].submit();
        }
      }
    });
  },
  remove : function () {
    list_link_ids = this.checked_boxes();    
    if (list_link_ids.length == 0) {      
      $('#error_message_links').html('Please select atleast one for deletion.');
      return false;
    }
    
    var post_data = 'link_id='+this.checked_boxes();
    post_data += '&form_action=remove_links';
    post_data += '&category_id='+list.selected_list();
    $.ajax({
      type: "POST",
      url: "ajax_links.php",
      data: post_data,
      success: function(msg) {
        var json_data = eval('(' + msg + ')');
        if (json_data.is_error) {
          $('#error_message_links').html(json_data.errors);
        } else {          
          $('#message_form').attr('action', 'links_management.php');
          $('#messages').attr('value', json_data.errors);
          $('#updated_category_id').attr('value', json_data.updated_category_id);
          document.forms['message_form'].submit();
        }
      }
    });
  }
};

$(document).ready(
  function () {
    if (typeof(cat_id) != 'undefined' && trim(cat_id) != '') {
      list.highlight(cat_id);
      ajax_category_links('manage_data', cat_id);//defined in base_javascript
    }
  }
);