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/* global MouseEvent */ |
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|
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import { default as sweetAlert } from '../sweetalert2.js' |
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import { swalClasses, iconTypes } from './classes.js' |
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import { uniqueArray } from './utils.js' |
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|
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// Remember state in cases where opening and handling a modal will fiddle with it. |
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export const states = { |
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previousWindowKeyDown: null, |
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previousActiveElement: null, |
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previousBodyPadding: null |
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} |
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|
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/* |
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* Add modal + overlay to DOM |
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*/ |
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export const init = (params) => { |
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if (typeof document === 'undefined') { |
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console.error('SweetAlert2 requires document to initialize') |
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return |
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} |
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|
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const container = document.createElement('div') |
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container.className = swalClasses.container |
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container.innerHTML = sweetHTML |
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|
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let targetElement = document.querySelector(params.target) |
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if (!targetElement) { |
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console.warn(`SweetAlert2: Can't find the target "${params.target}"`) |
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targetElement = document.body |
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} |
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targetElement.appendChild(container) |
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|
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const modal = getModal() |
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const input = getChildByClass(modal, swalClasses.input) |
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const file = getChildByClass(modal, swalClasses.file) |
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const range = modal.querySelector(`.${swalClasses.range} input`) |
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const rangeOutput = modal.querySelector(`.${swalClasses.range} output`) |
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const select = getChildByClass(modal, swalClasses.select) |
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const checkbox = modal.querySelector(`.${swalClasses.checkbox} input`) |
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const textarea = getChildByClass(modal, swalClasses.textarea) |
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|
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input.oninput = () => { |
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sweetAlert.resetValidationError() |
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} |
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|
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input.onkeydown = (event) => { |
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setTimeout(() => { |
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if (event.keyCode === 13 && params.allowEnterKey) { |
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event.stopPropagation() |
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sweetAlert.clickConfirm() |
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} |
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}, 0) |
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} |
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|
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file.onchange = () => { |
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sweetAlert.resetValidationError() |
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} |
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|
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range.oninput = () => { |
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sweetAlert.resetValidationError() |
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rangeOutput.value = range.value |
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} |
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|
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range.onchange = () => { |
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sweetAlert.resetValidationError() |
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range.previousSibling.value = range.value |
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} |
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|
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select.onchange = () => { |
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sweetAlert.resetValidationError() |
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} |
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|
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checkbox.onchange = () => { |
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sweetAlert.resetValidationError() |
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} |
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|
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textarea.oninput = () => { |
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sweetAlert.resetValidationError() |
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} |
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|
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return modal |
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} |
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|
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/* |
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* Manipulate DOM |
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*/ |
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|
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const sweetHTML = ` |
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<div role="dialog" aria-labelledby="${swalClasses.title}" aria-describedby="${swalClasses.content}" class="${swalClasses.modal}" tabindex="-1"> |
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<ul class="${swalClasses.progresssteps}"></ul> |
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<div class="${swalClasses.icon} ${iconTypes.error}"> |
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<span class="swal2-x-mark"><span class="swal2-x-mark-line-left"></span><span class="swal2-x-mark-line-right"></span></span> |
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</div> |
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<div class="${swalClasses.icon} ${iconTypes.question}">?</div> |
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<div class="${swalClasses.icon} ${iconTypes.warning}">!</div> |
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<div class="${swalClasses.icon} ${iconTypes.info}">i</div> |
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<div class="${swalClasses.icon} ${iconTypes.success}"> |
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<div class="swal2-success-circular-line-left"></div> |
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<span class="swal2-success-line-tip"></span> <span class="swal2-success-line-long"></span> |
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<div class="swal2-success-ring"></div> <div class="swal2-success-fix"></div> |
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<div class="swal2-success-circular-line-right"></div> |
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</div> |
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<img class="${swalClasses.image}"> |
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<h2 class="${swalClasses.title}" id="${swalClasses.title}"></h2> |
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<div id="${swalClasses.content}" class="${swalClasses.content}"></div> |
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<input class="${swalClasses.input}"> |
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<input type="file" class="${swalClasses.file}"> |
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<div class="${swalClasses.range}"> |
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<output></output> |
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<input type="range"> |
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</div> |
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<select class="${swalClasses.select}"></select> |
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<div class="${swalClasses.radio}"></div> |
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<label for="${swalClasses.checkbox}" class="${swalClasses.checkbox}"> |
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<input type="checkbox"> |
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</label> |
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<textarea class="${swalClasses.textarea}"></textarea> |
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<div class="${swalClasses.validationerror}"></div> |
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<div class="${swalClasses.buttonswrapper}"> |
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<button type="button" class="${swalClasses.confirm}">OK</button> |
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<button type="button" class="${swalClasses.cancel}">Cancel</button> |
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</div> |
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<button type="button" class="${swalClasses.close}" aria-label="Close this dialog">×</button> |
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</div> |
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`.replace(/(^|\n)\s*/g, '') |
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|
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export const getContainer = () => document.body.querySelector('.' + swalClasses.container) |
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|
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export const getModal = () => getContainer() ? getContainer().querySelector('.' + swalClasses.modal) : null |
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|
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export const getIcons = () => { |
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const modal = getModal() |
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return modal.querySelectorAll('.' + swalClasses.icon) |
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} |
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|
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export const elementByClass = (className) => getContainer() ? getContainer().querySelector('.' + className) : null |
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|
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export const getTitle = () => elementByClass(swalClasses.title) |
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|
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export const getContent = () => elementByClass(swalClasses.content) |
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|
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export const getImage = () => elementByClass(swalClasses.image) |
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|
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export const getButtonsWrapper = () => elementByClass(swalClasses.buttonswrapper) |
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|
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export const getProgressSteps = () => elementByClass(swalClasses.progresssteps) |
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|
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export const getValidationError = () => elementByClass(swalClasses.validationerror) |
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|
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export const getConfirmButton = () => elementByClass(swalClasses.confirm) |
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|
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export const getCancelButton = () => elementByClass(swalClasses.cancel) |
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|
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export const getCloseButton = () => elementByClass(swalClasses.close) |
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|
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export const getFocusableElements = (focusCancel) => { |
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const buttons = [getConfirmButton(), getCancelButton()] |
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if (focusCancel) { |
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buttons.reverse() |
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} |
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const focusableElements = buttons.concat(Array.prototype.slice.call( |
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getModal().querySelectorAll('button, input:not([type=hidden]), textarea, select, a, *[tabindex]:not([tabindex="-1"])') |
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)) |
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return uniqueArray(focusableElements) |
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} |
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|
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export const hasClass = (elem, className) => { |
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if (elem.classList) { |
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return elem.classList.contains(className) |
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} |
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return false |
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} |
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|
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export const focusInput = (input) => { |
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input.focus() |
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|
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// place cursor at end of text in text input |
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if (input.type !== 'file') { |
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// http://stackoverflow.com/a/2345915/1331425 |
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const val = input.value |
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input.value = '' |
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input.value = val |
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} |
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} |
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|
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export const addClass = (elem, className) => { |
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if (!elem || !className) { |
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return |
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} |
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const classes = className.split(/\s+/).filter(Boolean) |
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classes.forEach((className) => { |
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elem.classList.add(className) |
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}) |
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} |
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|
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export const removeClass = (elem, className) => { |
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if (!elem || !className) { |
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return |
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} |
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const classes = className.split(/\s+/).filter(Boolean) |
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classes.forEach((className) => { |
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elem.classList.remove(className) |
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}) |
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} |
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|
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export const getChildByClass = (elem, className) => { |
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for (let i = 0; i < elem.childNodes.length; i++) { |
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if (hasClass(elem.childNodes[i], className)) { |
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return elem.childNodes[i] |
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} |
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} |
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} |
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|
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export const show = (elem, display) => { |
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if (!display) { |
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display = 'block' |
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} |
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elem.style.opacity = '' |
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elem.style.display = display |
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} |
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|
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export const hide = (elem) => { |
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elem.style.opacity = '' |
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elem.style.display = 'none' |
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} |
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|
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export const empty = (elem) => { |
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while (elem.firstChild) { |
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elem.removeChild(elem.firstChild) |
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} |
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} |
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|
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// borrowed from jqeury $(elem).is(':visible') implementation |
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export const isVisible = (elem) => elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length |
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|
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export const removeStyleProperty = (elem, property) => { |
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if (elem.style.removeProperty) { |
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elem.style.removeProperty(property) |
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} else { |
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elem.style.removeAttribute(property) |
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} |
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} |
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|
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export const fireClick = (node) => { |
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if (!isVisible(node)) { |
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return false |
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} |
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|
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// Taken from http://www.nonobtrusive.com/2011/11/29/programatically-fire-crossbrowser-click-event-with-javascript/ |
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// Then fixed for today's Chrome browser. |
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if (typeof MouseEvent === 'function') { |
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// Up-to-date approach |
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const mevt = new MouseEvent('click', { |
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view: window, |
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bubbles: false, |
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cancelable: true |
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}) |
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node.dispatchEvent(mevt) |
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} else if (document.createEvent) { |
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// Fallback |
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const evt = document.createEvent('MouseEvents') |
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evt.initEvent('click', false, false) |
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node.dispatchEvent(evt) |
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} else if (document.createEventObject) { |
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node.fireEvent('onclick') |
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} else if (typeof node.onclick === 'function') { |
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node.onclick() |
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} |
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} |
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|
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export const animationEndEvent = (() => { |
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const testEl = document.createElement('div') |
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const transEndEventNames = { |
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'WebkitAnimation': 'webkitAnimationEnd', |
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'OAnimation': 'oAnimationEnd oanimationend', |
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'msAnimation': 'MSAnimationEnd', |
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'animation': 'animationend' |
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} |
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for (const i in transEndEventNames) { |
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if (transEndEventNames.hasOwnProperty(i) && |
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testEl.style[i] !== undefined) { |
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return transEndEventNames[i] |
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} |
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} |
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|
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return false |
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})() |
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|
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// Reset previous window keydown handler and focued element |
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export const resetPrevState = () => { |
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window.onkeydown = states.previousWindowKeyDown |
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if (states.previousActiveElement && states.previousActiveElement.focus) { |
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let x = window.scrollX |
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let y = window.scrollY |
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states.previousActiveElement.focus() |
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if (x && y) { // IE has no scrollX/scrollY support |
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window.scrollTo(x, y) |
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} |
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} |
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} |
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|
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// Measure width of scrollbar |
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// https://github.com/twbs/bootstrap/blob/master/js/modal.js#L279-L286 |
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export const measureScrollbar = () => { |
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var supportsTouch = 'ontouchstart' in window || navigator.msMaxTouchPoints |
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if (supportsTouch) { |
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return 0 |
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} |
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const scrollDiv = document.createElement('div') |
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scrollDiv.style.width = '50px' |
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scrollDiv.style.height = '50px' |
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scrollDiv.style.overflow = 'scroll' |
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document.body.appendChild(scrollDiv) |
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const scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth |
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document.body.removeChild(scrollDiv) |
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return scrollbarWidth |
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} |
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|
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// JavaScript Debounce Function |
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// Simplivied version of https://davidwalsh.name/javascript-debounce-function |
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export const debounce = (func, wait) => { |
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let timeout |
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return () => { |
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const later = () => { |
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timeout = null |
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func() |
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} |
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clearTimeout(timeout) |
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timeout = setTimeout(later, wait) |
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} |
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} |
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|
