@ionic/core
Version:
Base components for Ionic
319 lines (312 loc) • 12.8 kB
JavaScript
/*!
* (C) Ionic http://ionicframework.com - MIT License
*/
import { r as registerInstance, h, e as Host, f as getElement, c as createEvent } from './index-527b9e34.js';
import { j as reorderThreeOutline, k as reorderTwoSharp } from './index-e2cf2ceb.js';
import { b as getIonMode } from './ionic-global-ca86cf32.js';
import { f as findClosestIonContent, g as getScrollElement } from './index-e919e353.js';
import { r as raf } from './helpers-78efeec3.js';
import { a as hapticSelectionStart, b as hapticSelectionChanged, h as hapticSelectionEnd } from './haptic-ac164e4c.js';
import './index-738d7504.js';
import './capacitor-59395cbd.js';
import './index-a5d50daf.js';
const reorderIosCss = ":host([slot]){display:none;line-height:0;z-index:100}.reorder-icon{display:block}::slotted(ion-icon){font-size:dynamic-font(16px)}.reorder-icon{font-size:2.125rem;opacity:0.4}";
const IonReorderIosStyle0 = reorderIosCss;
const reorderMdCss = ":host([slot]){display:none;line-height:0;z-index:100}.reorder-icon{display:block}::slotted(ion-icon){font-size:dynamic-font(16px)}.reorder-icon{font-size:1.9375rem;opacity:0.3}";
const IonReorderMdStyle0 = reorderMdCss;
const Reorder = class {
constructor(hostRef) {
registerInstance(this, hostRef);
}
onClick(ev) {
const reorderGroup = this.el.closest('ion-reorder-group');
ev.preventDefault();
// Only stop event propagation if the reorder is inside of an enabled
// reorder group. This allows interaction with clickable children components.
if (!reorderGroup || !reorderGroup.disabled) {
ev.stopImmediatePropagation();
}
}
render() {
const mode = getIonMode(this);
const reorderIcon = mode === 'ios' ? reorderThreeOutline : reorderTwoSharp;
return (h(Host, { key: '17adf3165f4e09283d5d6434d7cd47bd23519048', class: mode }, h("slot", { key: 'd00d1cd97c689fc5c7b7175a2051cf697fe22871' }, h("ion-icon", { key: 'eec219aebde6083de98358be3e75965c5a5dc3d0', icon: reorderIcon, lazy: false, class: "reorder-icon", part: "icon", "aria-hidden": "true" }))));
}
get el() { return getElement(this); }
};
Reorder.style = {
ios: IonReorderIosStyle0,
md: IonReorderMdStyle0
};
const reorderGroupCss = ".reorder-list-active>*{display:block;-webkit-transition:-webkit-transform 300ms;transition:-webkit-transform 300ms;transition:transform 300ms;transition:transform 300ms, -webkit-transform 300ms;will-change:transform}.reorder-enabled{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.reorder-enabled ion-reorder{display:block;cursor:-webkit-grab;cursor:grab;pointer-events:all;-ms-touch-action:none;touch-action:none}.reorder-selected,.reorder-selected ion-reorder{cursor:-webkit-grabbing;cursor:grabbing}.reorder-selected{position:relative;-webkit-transition:none !important;transition:none !important;-webkit-box-shadow:0 0 10px rgba(0, 0, 0, 0.4);box-shadow:0 0 10px rgba(0, 0, 0, 0.4);opacity:0.8;z-index:100}.reorder-visible ion-reorder .reorder-icon{-webkit-transform:translate3d(0, 0, 0);transform:translate3d(0, 0, 0)}";
const IonReorderGroupStyle0 = reorderGroupCss;
const ReorderGroup = class {
constructor(hostRef) {
registerInstance(this, hostRef);
this.ionItemReorder = createEvent(this, "ionItemReorder", 7);
this.lastToIndex = -1;
this.cachedHeights = [];
this.scrollElTop = 0;
this.scrollElBottom = 0;
this.scrollElInitial = 0;
this.containerTop = 0;
this.containerBottom = 0;
this.state = 0 /* ReorderGroupState.Idle */;
this.disabled = true;
}
disabledChanged() {
if (this.gesture) {
this.gesture.enable(!this.disabled);
}
}
async connectedCallback() {
const contentEl = findClosestIonContent(this.el);
if (contentEl) {
this.scrollEl = await getScrollElement(contentEl);
}
this.gesture = (await import('./index-39782642.js')).createGesture({
el: this.el,
gestureName: 'reorder',
gesturePriority: 110,
threshold: 0,
direction: 'y',
passive: false,
canStart: (detail) => this.canStart(detail),
onStart: (ev) => this.onStart(ev),
onMove: (ev) => this.onMove(ev),
onEnd: () => this.onEnd(),
});
this.disabledChanged();
}
disconnectedCallback() {
this.onEnd();
if (this.gesture) {
this.gesture.destroy();
this.gesture = undefined;
}
}
/**
* Completes the reorder operation. Must be called by the `ionItemReorder` event.
*
* If a list of items is passed, the list will be reordered and returned in the
* proper order.
*
* If no parameters are passed or if `true` is passed in, the reorder will complete
* and the item will remain in the position it was dragged to. If `false` is passed,
* the reorder will complete and the item will bounce back to its original position.
*
* @param listOrReorder A list of items to be sorted and returned in the new order or a
* boolean of whether or not the reorder should reposition the item.
*/
complete(listOrReorder) {
return Promise.resolve(this.completeReorder(listOrReorder));
}
canStart(ev) {
if (this.selectedItemEl || this.state !== 0 /* ReorderGroupState.Idle */) {
return false;
}
const target = ev.event.target;
const reorderEl = target.closest('ion-reorder');
if (!reorderEl) {
return false;
}
const item = findReorderItem(reorderEl, this.el);
if (!item) {
return false;
}
ev.data = item;
return true;
}
onStart(ev) {
ev.event.preventDefault();
const item = (this.selectedItemEl = ev.data);
const heights = this.cachedHeights;
heights.length = 0;
const el = this.el;
const children = el.children;
if (!children || children.length === 0) {
return;
}
let sum = 0;
for (let i = 0; i < children.length; i++) {
const child = children[i];
sum += child.offsetHeight;
heights.push(sum);
child.$ionIndex = i;
}
const box = el.getBoundingClientRect();
this.containerTop = box.top;
this.containerBottom = box.bottom;
if (this.scrollEl) {
const scrollBox = this.scrollEl.getBoundingClientRect();
this.scrollElInitial = this.scrollEl.scrollTop;
this.scrollElTop = scrollBox.top + AUTO_SCROLL_MARGIN;
this.scrollElBottom = scrollBox.bottom - AUTO_SCROLL_MARGIN;
}
else {
this.scrollElInitial = 0;
this.scrollElTop = 0;
this.scrollElBottom = 0;
}
this.lastToIndex = indexForItem(item);
this.selectedItemHeight = item.offsetHeight;
this.state = 1 /* ReorderGroupState.Active */;
item.classList.add(ITEM_REORDER_SELECTED);
hapticSelectionStart();
}
onMove(ev) {
const selectedItem = this.selectedItemEl;
if (!selectedItem) {
return;
}
// Scroll if we reach the scroll margins
const scroll = this.autoscroll(ev.currentY);
// // Get coordinate
const top = this.containerTop - scroll;
const bottom = this.containerBottom - scroll;
const currentY = Math.max(top, Math.min(ev.currentY, bottom));
const deltaY = scroll + currentY - ev.startY;
const normalizedY = currentY - top;
const toIndex = this.itemIndexForTop(normalizedY);
if (toIndex !== this.lastToIndex) {
const fromIndex = indexForItem(selectedItem);
this.lastToIndex = toIndex;
hapticSelectionChanged();
this.reorderMove(fromIndex, toIndex);
}
// Update selected item position
selectedItem.style.transform = `translateY(${deltaY}px)`;
}
onEnd() {
const selectedItemEl = this.selectedItemEl;
this.state = 2 /* ReorderGroupState.Complete */;
if (!selectedItemEl) {
this.state = 0 /* ReorderGroupState.Idle */;
return;
}
const toIndex = this.lastToIndex;
const fromIndex = indexForItem(selectedItemEl);
if (toIndex === fromIndex) {
this.completeReorder();
}
else {
this.ionItemReorder.emit({
from: fromIndex,
to: toIndex,
complete: this.completeReorder.bind(this),
});
}
hapticSelectionEnd();
}
completeReorder(listOrReorder) {
const selectedItemEl = this.selectedItemEl;
if (selectedItemEl && this.state === 2 /* ReorderGroupState.Complete */) {
const children = this.el.children;
const len = children.length;
const toIndex = this.lastToIndex;
const fromIndex = indexForItem(selectedItemEl);
/**
* insertBefore and setting the transform
* needs to happen in the same frame otherwise
* there will be a duplicate transition. This primarily
* impacts Firefox where insertBefore and transform operations
* are happening in two separate frames.
*/
raf(() => {
if (toIndex !== fromIndex && (listOrReorder === undefined || listOrReorder === true)) {
const ref = fromIndex < toIndex ? children[toIndex + 1] : children[toIndex];
this.el.insertBefore(selectedItemEl, ref);
}
for (let i = 0; i < len; i++) {
children[i].style['transform'] = '';
}
});
if (Array.isArray(listOrReorder)) {
listOrReorder = reorderArray(listOrReorder, fromIndex, toIndex);
}
selectedItemEl.style.transition = '';
selectedItemEl.classList.remove(ITEM_REORDER_SELECTED);
this.selectedItemEl = undefined;
this.state = 0 /* ReorderGroupState.Idle */;
}
return listOrReorder;
}
itemIndexForTop(deltaY) {
const heights = this.cachedHeights;
for (let i = 0; i < heights.length; i++) {
if (heights[i] > deltaY) {
return i;
}
}
return heights.length - 1;
}
/********* DOM WRITE ********* */
reorderMove(fromIndex, toIndex) {
const itemHeight = this.selectedItemHeight;
const children = this.el.children;
for (let i = 0; i < children.length; i++) {
const style = children[i].style;
let value = '';
if (i > fromIndex && i <= toIndex) {
value = `translateY(${-itemHeight}px)`;
}
else if (i < fromIndex && i >= toIndex) {
value = `translateY(${itemHeight}px)`;
}
style['transform'] = value;
}
}
autoscroll(posY) {
if (!this.scrollEl) {
return 0;
}
let amount = 0;
if (posY < this.scrollElTop) {
amount = -SCROLL_JUMP;
}
else if (posY > this.scrollElBottom) {
amount = SCROLL_JUMP;
}
if (amount !== 0) {
this.scrollEl.scrollBy(0, amount);
}
return this.scrollEl.scrollTop - this.scrollElInitial;
}
render() {
const mode = getIonMode(this);
return (h(Host, { key: '6ca009dd65302a914d459aec638e62977440db20', class: {
[mode]: true,
'reorder-enabled': !this.disabled,
'reorder-list-active': this.state !== 0 /* ReorderGroupState.Idle */,
} }));
}
get el() { return getElement(this); }
static get watchers() { return {
"disabled": ["disabledChanged"]
}; }
};
const indexForItem = (element) => {
return element['$ionIndex'];
};
const findReorderItem = (node, container) => {
let parent;
while (node) {
parent = node.parentElement;
if (parent === container) {
return node;
}
node = parent;
}
return undefined;
};
const AUTO_SCROLL_MARGIN = 60;
const SCROLL_JUMP = 10;
const ITEM_REORDER_SELECTED = 'reorder-selected';
const reorderArray = (array, from, to) => {
const element = array[from];
array.splice(from, 1);
array.splice(to, 0, element);
return array.slice();
};
ReorderGroup.style = IonReorderGroupStyle0;
export { Reorder as ion_reorder, ReorderGroup as ion_reorder_group };