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bulk-actions.js
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bulk-actions.js
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/* global wagtailConfig */
import { range } from '../utils/range';
const BULK_ACTION_PAGE_CHECKBOX_INPUT = '[data-bulk-action-checkbox]';
const BULK_ACTION_SELECT_ALL_CHECKBOX =
'[data-bulk-action-select-all-checkbox]';
const BULK_ACTIONS_CHECKBOX_PARENT = '[data-bulk-action-parent-id]';
const BULK_ACTION_FOOTER = '[data-bulk-action-footer]';
const BULK_ACTION_NUM_OBJECTS = '[data-bulk-action-num-objects]';
const BULK_ACTION_NUM_OBJECTS_IN_LISTING =
'[data-bulk-action-num-objects-in-listing]';
let checkedState = {};
/**
* Utility function to get the appropriate string for display in action bar
*/
function getStringForListing(key) {
if (wagtailConfig.STRINGS.BULK_ACTIONS[wagtailConfig.BULK_ACTION_ITEM_TYPE]) {
return wagtailConfig.STRINGS.BULK_ACTIONS[
wagtailConfig.BULK_ACTION_ITEM_TYPE
][key];
}
return wagtailConfig.STRINGS.BULK_ACTIONS.ITEM[key];
}
/**
* Event listener for the `Select All` checkbox
*/
function onSelectAllChange(e) {
document.querySelectorAll(BULK_ACTION_SELECT_ALL_CHECKBOX).forEach((el) => {
el.checked = e.target.checked; // eslint-disable-line no-param-reassign
});
const changeEvent = new Event('change');
document.querySelectorAll(BULK_ACTION_PAGE_CHECKBOX_INPUT).forEach((el) => {
if (el.checked !== e.target.checked) {
// eslint-disable-next-line no-param-reassign
el.checked = e.target.checked;
if (e.target.checked) {
el.dispatchEvent(changeEvent);
} else {
el.classList.remove('show');
}
}
});
if (!e.target.checked) {
// when deselecting all checkbox, simply hide the footer for smooth transition
checkedState.checkedObjects.clear();
document.querySelector(BULK_ACTION_FOOTER).classList.add('hidden');
}
}
/**
* Event listener for clicking individual checkbox and checking if shift key is pressed
*
* @param {Event} event
*/
function onClickIndividualCheckbox(event) {
if (event.shiftKey && checkedState.prevCheckedObject) {
const individualCheckboxList = [
...document.querySelectorAll(BULK_ACTION_PAGE_CHECKBOX_INPUT),
];
const prevCheckedObjectIndex = individualCheckboxList.findIndex(
(el) => el.dataset.objectId === checkedState.prevCheckedObject,
);
const shiftClickedObjectIndex = individualCheckboxList.findIndex(
(el) => el.dataset.objectId === event.target.dataset.objectId,
);
const startingIndex =
(prevCheckedObjectIndex > shiftClickedObjectIndex
? shiftClickedObjectIndex
: prevCheckedObjectIndex) + 1;
const endingIndex =
prevCheckedObjectIndex <= shiftClickedObjectIndex
? shiftClickedObjectIndex
: prevCheckedObjectIndex;
range(startingIndex, endingIndex).forEach((i) => {
const changeEvent = new Event('change');
individualCheckboxList[i].checked =
individualCheckboxList[prevCheckedObjectIndex].checked;
individualCheckboxList[i].dispatchEvent(changeEvent);
});
checkedState.prevCheckedObject = event.target.dataset.objectId;
}
}
/**
* Event listener for individual checkbox
*/
function onSelectIndividualCheckbox(e) {
if (checkedState.selectAllInListing) checkedState.selectAllInListing = false;
const prevLength = checkedState.checkedObjects.size;
if (e.target.checked) {
checkedState.checkedObjects.add(e.target.dataset.objectId);
} else {
/* unchecks `Select all` checkbox as soon as one page is unchecked */
document.querySelectorAll(BULK_ACTION_SELECT_ALL_CHECKBOX).forEach((el) => {
el.checked = false; // eslint-disable-line no-param-reassign
});
checkedState.checkedObjects.delete(e.target.dataset.objectId);
}
const numCheckedObjects = checkedState.checkedObjects.size;
if (numCheckedObjects === 0) {
document.querySelector(BULK_ACTION_FOOTER).classList.add('hidden');
document
.querySelectorAll(BULK_ACTION_PAGE_CHECKBOX_INPUT)
.forEach((el) => el.classList.remove('show'));
} else if (numCheckedObjects === 1 && prevLength === 0) {
document.querySelectorAll(BULK_ACTION_PAGE_CHECKBOX_INPUT).forEach((el) => {
el.classList.add('show');
});
document.querySelector(BULK_ACTION_FOOTER).classList.remove('hidden');
}
if (numCheckedObjects === checkedState.numObjects) {
/* when all checkboxes in the page are checked */
document.querySelectorAll(BULK_ACTION_SELECT_ALL_CHECKBOX).forEach((el) => {
el.checked = true; // eslint-disable-line no-param-reassign
});
if (checkedState.shouldShowAllInListingText) {
document
.querySelector(BULK_ACTION_NUM_OBJECTS_IN_LISTING)
.classList.remove('w-hidden');
}
} else if (checkedState.shouldShowAllInListingText) {
document
.querySelector(BULK_ACTION_NUM_OBJECTS_IN_LISTING)
.classList.add('w-hidden');
}
if (numCheckedObjects > 0) {
/* Update text on number of pages */
let numObjectsSelected = '';
if (numCheckedObjects === 1) {
numObjectsSelected = getStringForListing('SINGULAR');
} else if (numCheckedObjects === checkedState.numObjects) {
numObjectsSelected = getStringForListing('ALL').replace(
'%(objects)s',
numCheckedObjects,
);
} else {
numObjectsSelected = getStringForListing('PLURAL').replace(
'%(objects)s',
numCheckedObjects,
);
}
document.querySelector(BULK_ACTION_NUM_OBJECTS).textContent =
numObjectsSelected;
}
// Updating previously checked object
checkedState.prevCheckedObject = e.target.dataset.objectId;
}
/**
* Event listener to select all objects in listing
*/
function onClickSelectAllInListing(e) {
e.preventDefault();
checkedState.selectAllInListing = true;
document.querySelector(BULK_ACTION_NUM_OBJECTS).textContent =
`${getStringForListing('ALL_IN_LISTING')}.`;
document
.querySelector(BULK_ACTION_NUM_OBJECTS_IN_LISTING)
.classList.add('w-hidden');
}
/**
* Event listener for bulk actions which appends selected ids to the corresponding action url
*/
function onClickActionButton(e) {
e.preventDefault();
const url = e.target.getAttribute('href');
const urlParams = new URLSearchParams(window.location.search);
if (checkedState.selectAllInListing) {
urlParams.append('id', 'all');
const parentElement = document.querySelector(BULK_ACTIONS_CHECKBOX_PARENT);
if (parentElement) {
const parentPageId = parentElement.dataset.bulkActionParentId;
urlParams.append('childOf', parentPageId);
}
} else {
checkedState.checkedObjects.forEach((objectId) => {
urlParams.append('id', objectId);
});
}
window.location.href = `${url}&${urlParams.toString()}`;
}
/**
* Adds all event listeners
*/
function addBulkActionListeners() {
checkedState = {
checkedObjects: new Set(),
numObjects: 0,
selectAllInListing: false,
shouldShowAllInListingText: true,
prevCheckedObject: null,
};
const changeEvent = new Event('change');
document.querySelectorAll(BULK_ACTION_PAGE_CHECKBOX_INPUT).forEach((el) => {
checkedState.numObjects += 1;
el.addEventListener('change', onSelectIndividualCheckbox);
el.addEventListener('click', onClickIndividualCheckbox);
});
document.querySelectorAll(BULK_ACTION_SELECT_ALL_CHECKBOX).forEach((el) => {
el.addEventListener('change', onSelectAllChange);
});
document
.querySelectorAll(`${BULK_ACTION_FOOTER} [data-bulk-action-button]`)
.forEach((elem) => elem.addEventListener('click', onClickActionButton));
document.addEventListener('w-dropdown:shown', () => {
document
.querySelectorAll(`${BULK_ACTION_FOOTER} [data-bulk-action-button]`)
.forEach((elem) => {
elem.removeEventListener('click', onClickActionButton);
elem.addEventListener('click', onClickActionButton);
});
});
const selectAllInListingText = document.querySelector(
BULK_ACTION_NUM_OBJECTS_IN_LISTING,
);
if (selectAllInListingText)
selectAllInListingText.addEventListener('click', onClickSelectAllInListing);
else checkedState.shouldShowAllInListingText = false;
document.querySelectorAll(BULK_ACTION_PAGE_CHECKBOX_INPUT).forEach((el) => {
if (el.checked) {
el.dispatchEvent(changeEvent);
}
});
}
function rebindBulkActionsEventListeners() {
// when deselecting all checkbox, simply hide the footer for smooth transition
document.querySelectorAll(BULK_ACTION_SELECT_ALL_CHECKBOX).forEach((el) => {
el.checked = false; // eslint-disable-line no-param-reassign
});
document.querySelector(BULK_ACTION_FOOTER).classList.add('hidden');
document.querySelectorAll(BULK_ACTION_SELECT_ALL_CHECKBOX).forEach((el) => {
// remove already attached event listener first
el.removeEventListener('change', onSelectAllChange);
el.addEventListener('change', onSelectAllChange);
});
checkedState.checkedObjects.clear();
checkedState.numObjects = 0;
document.querySelectorAll(BULK_ACTION_PAGE_CHECKBOX_INPUT).forEach((el) => {
checkedState.numObjects += 1;
el.addEventListener('change', onSelectIndividualCheckbox);
});
}
export { addBulkActionListeners, rebindBulkActionsEventListeners };