dashboardv2/public/js/utils/Overrides.js

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.
 */

define(['require', 'utils/Utils', 'marionette', 'backgrid', 'asBreadcrumbs', 'jquery-placeholder'], function(require, Utils) {
    'use strict';

    Backbone.$.ajaxSetup({
        cache: false
    });

    var oldBackboneSync = Backbone.sync;
    Backbone.sync = function(method, model, options) {
        var that = this;
        return oldBackboneSync.apply(this, [method, model,
            _.extend(options, {
                error: function(response) {
                    if (!options.skipDefaultError) {
                        Utils.defaultErrorHandler(that, response);
                    }
                    that.trigger("error", that, response);
                    if (options.cust_error) {
                        options.cust_error(that, response);
                    }
                }
            })
        ]);
    }
    _.mixin({
        isEmptyArray: function(val) {
            if (val && _.isArray(val)) {
                return _.isEmpty(val);
            } else {
                return false;
            }
        }
    });
    // For placeholder support 
    if (!('placeholder' in HTMLInputElement.prototype)) {
        var originalRender = Backbone.Marionette.LayoutView.prototype.render;
        Backbone.Marionette.LayoutView.prototype.render = function() {
            originalRender.apply(this, arguments);
            this.$('input, textarea').placeholder();
        }
    }

    String.prototype.trunc = String.prototype.trunc ||
        function(n) {
            return (this.length > n) ? this.substr(0, n - 1) + '...' : this;
        };
    /*
     * Overriding Cell for adding custom className to Cell i.e <td>
     */
    var cellInit = Backgrid.Cell.prototype.initialize;
    Backgrid.Cell.prototype.initialize = function() {
            cellInit.apply(this, arguments);
            var className = this.column.get('className');
            var rowClassName = this.column.get('rowClassName');
            if (rowClassName) this.$el.addClass(rowClassName);
            if (className) this.$el.addClass(className);
        }
        /*
         * Overriding Cell for adding custom width to Cell i.e <td>
         */
    Backgrid.HeaderRow = Backgrid.HeaderRow.extend({
        render: function() {
            var that = this;
            Backgrid.HeaderRow.__super__.render.apply(this, arguments);
            _.each(this.columns.models, function(modelValue) {
                if (modelValue.get('width')) that.$el.find('.' + modelValue.get('name')).css('min-width', modelValue.get('width') + 'px')
                if (modelValue.get('toolTip')) that.$el.find('.' + modelValue.get('name')).attr('title', modelValue.get('toolTip'))
            });
            return this;
        }
    });
    /*
     * HtmlCell renders any html code
     * @class Backgrid.HtmlCell
     * @extends Backgrid.Cell
     */
    var HtmlCell = Backgrid.HtmlCell = Backgrid.Cell.extend({

        /** @property */
        className: "html-cell",

        render: function() {
            this.$el.empty();
            var rawValue = this.model.get(this.column.get("name"));
            var formattedValue = this.formatter.fromRaw(rawValue, this.model);
            this.$el.append(formattedValue);
            this.delegateEvents();
            return this;
        }
    });

    var UriCell = Backgrid.UriCell = Backgrid.Cell.extend({
        className: "uri-cell",
        title: null,
        target: "_blank",

        initialize: function(options) {
            UriCell.__super__.initialize.apply(this, arguments);
            this.title = options.title || this.title;
            this.target = options.target || this.target;
        },

        render: function() {
            this.$el.empty();
            var rawValue = this.model.get(this.column.get("name"));
            var href = _.isFunction(this.column.get("href")) ? this.column.get('href')(this.model) : this.column.get('href');
            var klass = this.column.get("klass");
            var formattedValue = this.formatter.fromRaw(rawValue, this.model);
            this.$el.append($("<a>", {
                tabIndex: -1,
                href: href,
                title: this.title || formattedValue,
                'class': klass
            }).text(formattedValue));

            if (this.column.has("iconKlass")) {
                var iconKlass = this.column.get("iconKlass");
                var iconTitle = this.column.get("iconTitle");
                this.$el.find('a').append('<i class="' + iconKlass + '" title="' + iconTitle + '"></i>');
            }
            this.delegateEvents();
            return this;
        }
    });

    String.prototype.capitalize = function() {
        return this.charAt(0).toUpperCase() + this.slice(1);
    }
});