gethue/ko/bindings/ko.ellipsis.js

Hue is an Open source SQL Query Editor for Databases/Warehouses

// Licensed to Cloudera, Inc. under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  Cloudera, Inc. licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import $ from 'jquery';
import * as ko from 'knockout';

ko.bindingHandlers.ellipsis = {
  update: function (element, valueAccessor) {
    const value = ko.unwrap(valueAccessor());
    const $element = $(element);
    const chopLength = value.length ? value.length : 30;
    const text = typeof value === 'object' ? ko.unwrap(value.data) : value;
    if (text.length > chopLength) {
      $element.attr('title', text);
      $element.text(text.substr(0, chopLength) + '...');
    } else {
      $element.text(text);
    }
  }
};