billingerp/admin/libs/tom-select/dist/js/plugins/remove_button.js

/**
* Tom Select v2.4.2
* Licensed under the Apache License, Version 2.0 (the "License");
*/

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.remove_button = factory());
})(this, (function () { 'use strict';

	/**
	 * Converts a scalar to its best string representation
	 * for hash keys and HTML attribute values.
	 *
	 * Transformations:
	 *   'str'     -> 'str'
	 *   null      -> ''
	 *   undefined -> ''
	 *   true      -> '1'
	 *   false     -> '0'
	 *   0         -> '0'
	 *   1         -> '1'
	 *
	 */

	/**
	 * Escapes a string for use within HTML.
	 *
	 */
	const escape_html = str => {
	  return (str + '').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
	};

	/**
	 * Prevent default
	 *
	 */
	const preventDefault = (evt, stop = false) => {
	  if (evt) {
	    evt.preventDefault();
	    if (stop) {
	      evt.stopPropagation();
	    }
	  }
	};

	/**
	 * Add event helper
	 *
	 */
	const addEvent = (target, type, callback, options) => {
	  target.addEventListener(type, callback, options);
	};

	/**
	 * Return a dom element from either a dom query string, jQuery object, a dom element or html string
	 * https://stackoverflow.com/questions/494143/creating-a-new-dom-element-from-an-html-string-using-built-in-dom-methods-or-pro/35385518#35385518
	 *
	 * param query should be {}
	 */
	const getDom = query => {
	  if (query.jquery) {
	    return query[0];
	  }
	  if (query instanceof HTMLElement) {
	    return query;
	  }
	  if (isHtmlString(query)) {
	    var tpl = document.createElement('template');
	    tpl.innerHTML = query.trim(); // Never return a text node of whitespace as the result
	    return tpl.content.firstChild;
	  }
	  return document.querySelector(query);
	};
	const isHtmlString = arg => {
	  if (typeof arg === 'string' && arg.indexOf('<') > -1) {
	    return true;
	  }
	  return false;
	};

	/**
	 * Plugin: "remove_button" (Tom Select)
	 * Copyright (c) contributors
	 *
	 * Licensed 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.
	 *
	 */

	function plugin (userOptions) {
	  const options = Object.assign({
	    label: '&times;',
	    title: 'Remove',
	    className: 'remove',
	    append: true
	  }, userOptions);

	  //options.className = 'remove-single';
	  var self = this;

	  // override the render method to add remove button to each item
	  if (!options.append) {
	    return;
	  }
	  var html = '<a href="javascript:void(0)" class="' + options.className + '" tabindex="-1" title="' + escape_html(options.title) + '">' + options.label + '</a>';
	  self.hook('after', 'setupTemplates', () => {
	    var orig_render_item = self.settings.render.item;
	    self.settings.render.item = (data, escape) => {
	      var item = getDom(orig_render_item.call(self, data, escape));
	      var close_button = getDom(html);
	      item.appendChild(close_button);
	      addEvent(close_button, 'mousedown', evt => {
	        preventDefault(evt, true);
	      });
	      addEvent(close_button, 'click', evt => {
	        if (self.isLocked) return;

	        // propagating will trigger the dropdown to show for single mode
	        preventDefault(evt, true);
	        if (self.isLocked) return;
	        if (!self.shouldDelete([item], evt)) return;
	        self.removeItem(item);
	        self.refreshOptions(false);
	        self.inputState();
	      });
	      return item;
	    };
	  });
	}

	return plugin;

}));
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