341 lines
13 KiB
JavaScript
Executable file
341 lines
13 KiB
JavaScript
Executable file
import { attachShadow, createEvent, writeTask, h, Host, proxyCustomElement } from '@stencil/core/internal/client';
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import { c as config, b as getIonMode } from './ionic-global.js';
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import { p as pointerCoord } from './helpers.js';
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import { c as createColorClasses, h as hostContext } from './theme.js';
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const segmentIosCss = ":host{--ripple-color:currentColor;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:-ms-flexbox;display:flex;position:relative;-ms-flex-align:stretch;align-items:stretch;-ms-flex-pack:center;justify-content:center;width:100%;background:var(--background);font-family:var(--ion-font-family, inherit);text-align:center;contain:paint;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host(.segment-scrollable){-ms-flex-pack:start;justify-content:start;width:auto;overflow-x:auto}:host(.segment-scrollable::-webkit-scrollbar){display:none}:host{--background:rgba(var(--ion-text-color-rgb, 0, 0, 0), 0.065);border-radius:8px;overflow:hidden;z-index:0}:host(.ion-color){background:rgba(var(--ion-color-base-rgb), 0.065)}:host(.in-toolbar){margin-left:auto;margin-right:auto;margin-top:0;margin-bottom:0;width:auto}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){:host(.in-toolbar){margin-left:unset;margin-right:unset;-webkit-margin-start:auto;margin-inline-start:auto;-webkit-margin-end:auto;margin-inline-end:auto}}:host(.in-toolbar:not(.ion-color)){background:var(--ion-toolbar-segment-background, var(--background))}:host(.in-toolbar-color:not(.ion-color)){background:rgba(var(--ion-color-contrast-rgb), 0.11)}";
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const segmentMdCss = ":host{--ripple-color:currentColor;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:-ms-flexbox;display:flex;position:relative;-ms-flex-align:stretch;align-items:stretch;-ms-flex-pack:center;justify-content:center;width:100%;background:var(--background);font-family:var(--ion-font-family, inherit);text-align:center;contain:paint;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host(.segment-scrollable){-ms-flex-pack:start;justify-content:start;width:auto;overflow-x:auto}:host(.segment-scrollable::-webkit-scrollbar){display:none}:host{--background:transparent}:host(.segment-scrollable) ::slotted(ion-segment-button){min-width:auto}";
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const Segment = class extends HTMLElement {
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constructor() {
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super();
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this.__registerHost();
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attachShadow(this);
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this.ionChange = createEvent(this, "ionChange", 7);
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this.ionSelect = createEvent(this, "ionSelect", 7);
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this.ionStyle = createEvent(this, "ionStyle", 7);
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this.didInit = false;
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this.activated = false;
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/**
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* If `true`, the user cannot interact with the segment.
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*/
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this.disabled = false;
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/**
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* If `true`, the segment buttons will overflow and the user can swipe to see them.
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* In addition, this will disable the gesture to drag the indicator between the buttons
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* in order to swipe to see hidden buttons.
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*/
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this.scrollable = false;
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/**
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* If `true`, users will be able to swipe between segment buttons to activate them.
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*/
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this.swipeGesture = true;
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this.onClick = (ev) => {
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const current = ev.target;
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const previous = this.checked;
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// If the current element is a segment then that means
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// the user tried to swipe to a segment button and
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// click a segment button at the same time so we should
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// not update the checked segment button
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if (current.tagName === 'ION-SEGMENT') {
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return;
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}
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this.value = current.value;
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if (this.scrollable || !this.swipeGesture) {
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if (previous) {
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this.checkButton(previous, current);
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}
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else {
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this.setCheckedClasses();
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}
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}
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this.checked = current;
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};
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}
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colorChanged(value, oldValue) {
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/**
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* If color is set after not having
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* previously been set (or vice versa),
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* we need to emit style so the segment-buttons
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* can apply their color classes properly.
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*/
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if ((oldValue === undefined && value !== undefined) ||
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(oldValue !== undefined && value === undefined)) {
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this.emitStyle();
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}
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}
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swipeGestureChanged() {
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this.gestureChanged();
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}
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valueChanged(value, oldValue) {
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this.ionSelect.emit({ value });
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if (oldValue !== '' || this.didInit) {
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if (!this.activated) {
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this.ionChange.emit({ value });
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}
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else {
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this.valueAfterGesture = value;
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}
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}
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}
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disabledChanged() {
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this.gestureChanged();
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const buttons = this.getButtons();
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for (const button of buttons) {
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button.disabled = this.disabled;
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}
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}
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gestureChanged() {
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if (this.gesture) {
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this.gesture.enable(!this.scrollable && !this.disabled && this.swipeGesture);
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}
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}
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connectedCallback() {
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this.emitStyle();
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}
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componentWillLoad() {
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this.emitStyle();
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}
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async componentDidLoad() {
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this.setCheckedClasses();
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this.gesture = (await import('./index2.js')).createGesture({
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el: this.el,
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gestureName: 'segment',
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gesturePriority: 100,
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threshold: 0,
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passive: false,
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onStart: ev => this.onStart(ev),
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onMove: ev => this.onMove(ev),
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onEnd: ev => this.onEnd(ev),
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});
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this.gestureChanged();
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if (this.disabled) {
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this.disabledChanged();
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}
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this.didInit = true;
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}
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onStart(detail) {
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this.activate(detail);
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}
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onMove(detail) {
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this.setNextIndex(detail);
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}
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onEnd(detail) {
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this.setActivated(false);
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const checkedValidButton = this.setNextIndex(detail, true);
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detail.event.stopImmediatePropagation();
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if (checkedValidButton) {
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this.addRipple(detail);
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}
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const value = this.valueAfterGesture;
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if (value !== undefined) {
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this.ionChange.emit({ value });
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this.valueAfterGesture = undefined;
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}
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}
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getButtons() {
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return Array.from(this.el.querySelectorAll('ion-segment-button'));
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}
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/**
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* The gesture blocks the segment button ripple. This
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* function adds the ripple based on the checked segment
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* and where the cursor ended.
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*/
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addRipple(detail) {
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const useRippleEffect = config.getBoolean('animated', true) && config.getBoolean('rippleEffect', true);
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if (!useRippleEffect) {
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return;
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}
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const buttons = this.getButtons();
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const checked = buttons.find(button => button.value === this.value);
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const root = checked.shadowRoot || checked;
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const ripple = root.querySelector('ion-ripple-effect');
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if (!ripple) {
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return;
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}
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const { x, y } = pointerCoord(detail.event);
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ripple.addRipple(x, y).then(remove => remove());
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}
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/*
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* Activate both the segment and the buttons
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* due to a bug with ::slotted in Safari
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*/
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setActivated(activated) {
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const buttons = this.getButtons();
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buttons.forEach(button => {
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if (activated) {
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button.classList.add('segment-button-activated');
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}
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else {
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button.classList.remove('segment-button-activated');
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}
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});
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this.activated = activated;
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}
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activate(detail) {
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const clicked = detail.event.target;
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const buttons = this.getButtons();
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const checked = buttons.find(button => button.value === this.value);
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// Make sure we are only checking for activation on a segment button
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// since disabled buttons will get the click on the segment
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if (clicked.tagName !== 'ION-SEGMENT-BUTTON') {
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return;
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}
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// If there are no checked buttons, set the current button to checked
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if (!checked) {
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this.value = clicked.value;
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this.setCheckedClasses();
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}
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// If the gesture began on the clicked button with the indicator
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// then we should activate the indicator
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if (this.value === clicked.value) {
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this.setActivated(true);
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}
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}
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getIndicator(button) {
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const root = button.shadowRoot || button;
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return root.querySelector('.segment-button-indicator');
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}
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checkButton(previous, current) {
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const previousIndicator = this.getIndicator(previous);
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const currentIndicator = this.getIndicator(current);
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if (previousIndicator === null || currentIndicator === null) {
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return;
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}
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const previousClientRect = previousIndicator.getBoundingClientRect();
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const currentClientRect = currentIndicator.getBoundingClientRect();
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const widthDelta = previousClientRect.width / currentClientRect.width;
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const xPosition = previousClientRect.left - currentClientRect.left;
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// Scale the indicator width to match the previous indicator width
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// and translate it on top of the previous indicator
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const transform = `translate3d(${xPosition}px, 0, 0) scaleX(${widthDelta})`;
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writeTask(() => {
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// Remove the transition before positioning on top of the previous indicator
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currentIndicator.classList.remove('segment-button-indicator-animated');
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currentIndicator.style.setProperty('transform', transform);
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// Force a repaint to ensure the transform happens
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currentIndicator.getBoundingClientRect();
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// Add the transition to move the indicator into place
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currentIndicator.classList.add('segment-button-indicator-animated');
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// Remove the transform to slide the indicator back to the button clicked
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currentIndicator.style.setProperty('transform', '');
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});
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this.value = current.value;
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this.setCheckedClasses();
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}
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setCheckedClasses() {
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const buttons = this.getButtons();
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const index = buttons.findIndex(button => button.value === this.value);
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const next = index + 1;
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// Keep track of the currently checked button
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this.checked = buttons.find(button => button.value === this.value);
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for (const button of buttons) {
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button.classList.remove('segment-button-after-checked');
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}
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if (next < buttons.length) {
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buttons[next].classList.add('segment-button-after-checked');
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}
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}
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setNextIndex(detail, isEnd = false) {
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const isRTL = document.dir === 'rtl';
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const activated = this.activated;
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const buttons = this.getButtons();
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const index = buttons.findIndex(button => button.value === this.value);
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const previous = buttons[index];
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let current;
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let nextIndex;
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if (index === -1) {
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return;
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}
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// Get the element that the touch event started on in case
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// it was the checked button, then we will move the indicator
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const rect = previous.getBoundingClientRect();
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const left = rect.left;
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const width = rect.width;
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// Get the element that the gesture is on top of based on the currentX of the
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// gesture event and the Y coordinate of the starting element, since the gesture
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// can move up and down off of the segment
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const currentX = detail.currentX;
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const previousY = rect.top + (rect.height / 2);
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const nextEl = document.elementFromPoint(currentX, previousY);
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const decreaseIndex = isRTL ? currentX > (left + width) : currentX < left;
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const increaseIndex = isRTL ? currentX < left : currentX > (left + width);
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// If the indicator is currently activated then we have started the gesture
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// on top of the checked button so we need to slide the indicator
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// by checking the button next to it as we move
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if (activated && !isEnd) {
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// Decrease index, move left in LTR & right in RTL
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if (decreaseIndex) {
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const newIndex = index - 1;
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if (newIndex >= 0) {
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nextIndex = newIndex;
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}
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// Increase index, moves right in LTR & left in RTL
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}
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else if (increaseIndex) {
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if (activated && !isEnd) {
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const newIndex = index + 1;
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if (newIndex < buttons.length) {
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nextIndex = newIndex;
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}
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}
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}
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if (nextIndex !== undefined && !buttons[nextIndex].disabled) {
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current = buttons[nextIndex];
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}
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}
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// If the indicator is not activated then we will just set the indicator
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// to the element where the gesture ended
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if (!activated && isEnd) {
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current = nextEl;
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}
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/* tslint:disable-next-line */
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if (current != null) {
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/**
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* If current element is ion-segment then that means
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* user tried to select a disabled ion-segment-button,
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* and we should not update the ripple.
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*/
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if (current.tagName === 'ION-SEGMENT') {
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return false;
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}
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if (previous !== current) {
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this.checkButton(previous, current);
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}
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}
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return true;
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}
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emitStyle() {
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this.ionStyle.emit({
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'segment': true
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});
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}
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render() {
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const mode = getIonMode(this);
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return (h(Host, { role: "tablist", onClick: this.onClick, class: createColorClasses(this.color, {
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[mode]: true,
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'in-toolbar': hostContext('ion-toolbar', this.el),
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'in-toolbar-color': hostContext('ion-toolbar[color]', this.el),
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'segment-activated': this.activated,
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'segment-disabled': this.disabled,
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'segment-scrollable': this.scrollable
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}) }, h("slot", null)));
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}
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get el() { return this; }
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static get watchers() { return {
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"color": ["colorChanged"],
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"swipeGesture": ["swipeGestureChanged"],
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"value": ["valueChanged"],
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"disabled": ["disabledChanged"]
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}; }
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static get style() { return {
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ios: segmentIosCss,
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md: segmentMdCss
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}; }
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};
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const IonSegment = /*@__PURE__*/proxyCustomElement(Segment, [33,"ion-segment",{"color":[513],"disabled":[4],"scrollable":[4],"swipeGesture":[4,"swipe-gesture"],"value":[1025],"activated":[32]}]);
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export { IonSegment };
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