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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 3x 3x 3x 3x 3x 3x 42x 3x | /** * AnalyticsHelper.ts * @author Abhilash Panwar (abpanwar) Hector Hernandez (hectorh) * @copyright Microsoft 2020 * File containing helper methods for EI Analytics. * Copied from 1DS SDK. */ import { getLocation, getDocument } from '@microsoft/1ds-core-js'; import { _emptyString } from '../properties/Constants'; import { IContent } from './InternalDataModels'; const which = 'which'; const button = 'button'; const keyCode = 'keyCode'; const max_content_name = 200; const A = 'A'; const AREA = 'AREA'; const IMG = 'IMG'; const INPUT = 'INPUT'; export const _clickCaptureInputTypes = { BUTTON: true, CHECKBOX: true, RADIO: true, RESET: true, SUBMIT: true }; /** * Determines whether an event is a right click or not * @param evt - Mouse event * @returns true if the event is a right click */ export function _isRightClick(evt: any): boolean { if (which in evt) { // Chrome, FF, ... return (evt.which === 3); } else if (button in evt) { // IE, ... return (evt.button === 2); } } /** * Determines whether an event is a left click or not * @param evt - Mouse event * @returns true if the event is a left click */ export function _isLeftClick(evt: any): boolean { if (which in evt) { // Chrome, FF, ... return (evt.which === 1); } else if (button in evt) { // IE, ... return (evt.button === 1); } } /** * Determines whether an event is a middle click or not * @param evt - Mouse event * @returns true if the event is a middle click */ export function _isMiddleClick(evt: any): boolean { if (which in evt) { // Chrome, FF, ... return (evt.which === 2); } else if (button in evt) { // IE, ... return (evt.button === 4); } } /** * Determines whether an event is a keyboard enter or not * @param evt - Keyboard event * @returns true if the event is a keyboard enter */ export function _isKeyboardEnter(evt: KeyboardEvent): boolean { if (keyCode in evt) { // Chrome, FF, ... return (evt.keyCode === 13); } } /** * Determines whether an event is a keyboard space or not * @param evt - Keyboard event * @returns true if the event is a space enter */ export function _isKeyboardSpace(evt: KeyboardEvent) { if (keyCode in evt) { // Chrome, FF, ... return (evt.keyCode === 32); } } /** * Gets the content tags in the element. * @param element The element to parse for content. */ export function _getContent(element: Element): IContent { return { c: element.className, id: element.id, n: _getDefaultContentName(element) }; } /** * * Get click target * @returns Click target URI */ export function _getClickTarget(element: any) { let clickTarget = _emptyString; switch (element.tagName) { case A: case AREA: clickTarget = element.href; break; case IMG: clickTarget = _getImageHref(<HTMLImageElement>element); break; case INPUT: const type = element.type; if (type && (_clickCaptureInputTypes[type.toUpperCase()])) { const loc = getLocation() || <Location>{}; if (element.form) { clickTarget = element.form.action || loc.pathname; } else { clickTarget = loc.pathname; } } break; default: break; } return clickTarget; } export function _getPathNameFromUri(uri: string): string { let location = document.createElement('a'); location.href = uri; return location.pathname; } /** * Gets the default content name. * @param element - An html element * @returns Content name */ /*ignore jslint start*/ function _getDefaultContentName(element: any) { if (!element.tagName) { return _emptyString; } const doc = getDocument() || <Document>{}; let contentName; switch (element.tagName) { case A: contentName = doc.all ? element.innerText || element.innerHTML : element.text || element.innerHTML; break; case IMG: case AREA: contentName = element.alt; break; default: contentName = element.value || element.name || element.alt || element.innerText || element.id; } return contentName.substring(0, max_content_name); } /** * Get Image href of a given HTMLImageElement * @param element - An html image element * @returns Href value. */ function _getImageHref(element: HTMLImageElement): string { if (element) { const parent = _findClosestAnchor(<Element>element); if ((<any>parent).length === 1) { if (parent[0].href) { return parent[0].href; } else if (parent[0].src) { return (parent[0].src); } } } return _emptyString; } /** * Walks up DOM tree to find anchor element * @param element - DOM element * @returns Dom element which is an anchor */ function _findClosestAnchor(element: Element): Element { /// <summary> Walks up DOM tree to find anchor element </summary> /// <param type='object'> DOM element </param> /// <returns> Dom element which is an anchor</returns> return _walkUpDomChainWithElementValidation(element, _isElementAnAnchor); } /** * Walks up DOM tree to find element which matches validationMethod * @param el - DOM element * @param validationMethod - DOM element validation method * @param validationMethodParam - DOM element validation method parameters * @returns Dom element which is an anchor */ function _walkUpDomChainWithElementValidation(el: Element, validationMethod: Function, validationMethodParam?: any): Element { let element = el; if (element) { //TODO(abpanwar): Handle element if jQuery //element = _returnDomObjectIfjQuery(element); while (!validationMethod(element, validationMethodParam)) { element = <Element>element.parentNode; //element = _returnDomObjectIfjQuery(element); if (!element || !(element.getAttribute)) { return null; } } return element; } } /** * Determine if DOM element is an anchor * @param element - DOM element * @returns Is element an anchor */ function _isElementAnAnchor(element: Element): boolean { return element.nodeName === A; } /** * Generate hashcode from a string * @param value - The string to generate hashcode * @returns The generated hashcode */ export function _hashCode(value: string) { Eif (value) { let hash = 0; let len = value.length; let i = 0; Eif ( len > 0 ) { while (i < len) { hash = (hash << 5) - hash + value.charCodeAt(i++) | 0; } } return hash; } }; |