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An Ionic component similar to Ionic Select, that allows to search items, including async search, group, add, edit, delete items, and much more.

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'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); const index = require('./index-366d4dde.js'); const ionicGlobal = require('./ionic-global-53907587.js'); const helpers = require('./helpers-41dfb43a.js'); const haptic = require('./haptic-88c261ab.js'); const pickerColumnIosCss = ".picker-col{display:-ms-flexbox;display:flex;position:relative;-ms-flex:1;flex:1;-ms-flex-pack:center;justify-content:center;height:100%;-webkit-box-sizing:content-box;box-sizing:content-box;contain:content}.picker-opts{position:relative;-ms-flex:1;flex:1;max-width:100%}.picker-opt{left:0;top:0;display:block;position:absolute;width:100%;border:0;text-align:center;text-overflow:ellipsis;white-space:nowrap;contain:strict;overflow:hidden;will-change:transform}[dir=rtl] .picker-opt,:host-context([dir=rtl]) .picker-opt{left:unset;right:unset;right:0}.picker-opt.picker-opt-disabled{pointer-events:none}.picker-opt-disabled{opacity:0}.picker-opts-left{-ms-flex-pack:start;justify-content:flex-start}.picker-opts-right{-ms-flex-pack:end;justify-content:flex-end}.picker-opt:active,.picker-opt:focus{outline:none}.picker-prefix{position:relative;-ms-flex:1;flex:1;text-align:end;white-space:nowrap}.picker-suffix{position:relative;-ms-flex:1;flex:1;text-align:start;white-space:nowrap}.picker-col{padding-left:4px;padding-right:4px;padding-top:0;padding-bottom:0;-webkit-transform-style:preserve-3d;transform-style:preserve-3d}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.picker-col{padding-left:unset;padding-right:unset;-webkit-padding-start:4px;padding-inline-start:4px;-webkit-padding-end:4px;padding-inline-end:4px}}.picker-prefix,.picker-suffix,.picker-opts{top:77px;-webkit-transform-style:preserve-3d;transform-style:preserve-3d;color:inherit;font-size:20px;line-height:42px;pointer-events:none}.picker-opt{padding-left:0;padding-right:0;padding-top:0;padding-bottom:0;margin-left:0;margin-right:0;margin-top:0;margin-bottom:0;-webkit-transform-origin:center center;transform-origin:center center;height:46px;-webkit-transform-style:preserve-3d;transform-style:preserve-3d;-webkit-transition-timing-function:ease-out;transition-timing-function:ease-out;background:transparent;color:inherit;font-size:20px;line-height:42px;-webkit-backface-visibility:hidden;backface-visibility:hidden;pointer-events:auto}[dir=rtl] .picker-opt,:host-context([dir=rtl]) .picker-opt{-webkit-transform-origin:calc(100% - center) center;transform-origin:calc(100% - center) center}"; const pickerColumnMdCss = ".picker-col{display:-ms-flexbox;display:flex;position:relative;-ms-flex:1;flex:1;-ms-flex-pack:center;justify-content:center;height:100%;-webkit-box-sizing:content-box;box-sizing:content-box;contain:content}.picker-opts{position:relative;-ms-flex:1;flex:1;max-width:100%}.picker-opt{left:0;top:0;display:block;position:absolute;width:100%;border:0;text-align:center;text-overflow:ellipsis;white-space:nowrap;contain:strict;overflow:hidden;will-change:transform}[dir=rtl] .picker-opt,:host-context([dir=rtl]) .picker-opt{left:unset;right:unset;right:0}.picker-opt.picker-opt-disabled{pointer-events:none}.picker-opt-disabled{opacity:0}.picker-opts-left{-ms-flex-pack:start;justify-content:flex-start}.picker-opts-right{-ms-flex-pack:end;justify-content:flex-end}.picker-opt:active,.picker-opt:focus{outline:none}.picker-prefix{position:relative;-ms-flex:1;flex:1;text-align:end;white-space:nowrap}.picker-suffix{position:relative;-ms-flex:1;flex:1;text-align:start;white-space:nowrap}.picker-col{padding-left:8px;padding-right:8px;padding-top:0;padding-bottom:0;-webkit-transform-style:preserve-3d;transform-style:preserve-3d}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.picker-col{padding-left:unset;padding-right:unset;-webkit-padding-start:8px;padding-inline-start:8px;-webkit-padding-end:8px;padding-inline-end:8px}}.picker-prefix,.picker-suffix,.picker-opts{top:77px;-webkit-transform-style:preserve-3d;transform-style:preserve-3d;color:inherit;font-size:22px;line-height:42px;pointer-events:none}.picker-opt{margin-left:0;margin-right:0;margin-top:0;margin-bottom:0;padding-left:0;padding-right:0;padding-top:0;padding-bottom:0;height:43px;-webkit-transition-timing-function:ease-out;transition-timing-function:ease-out;background:transparent;color:inherit;font-size:22px;line-height:42px;-webkit-backface-visibility:hidden;backface-visibility:hidden;pointer-events:auto}.picker-prefix,.picker-suffix,.picker-opt.picker-opt-selected{color:var(--ion-color-primary, #3880ff)}"; const PickerColumnCmp = class { constructor(hostRef) { index.registerInstance(this, hostRef); this.optHeight = 0; this.rotateFactor = 0; this.scaleFactor = 1; this.velocity = 0; this.y = 0; this.noAnimate = true; this.ionPickerColChange = index.createEvent(this, "ionPickerColChange", 7); } colChanged() { this.refresh(); } async connectedCallback() { let pickerRotateFactor = 0; let pickerScaleFactor = 0.81; const mode = ionicGlobal.getIonMode(this); if (mode === 'ios') { pickerRotateFactor = -0.46; pickerScaleFactor = 1; } this.rotateFactor = pickerRotateFactor; this.scaleFactor = pickerScaleFactor; this.gesture = (await new Promise(function (resolve) { resolve(require('./index-ea0ef88d.js')); })).createGesture({ el: this.el, gestureName: 'picker-swipe', gesturePriority: 100, threshold: 0, passive: false, onStart: ev => this.onStart(ev), onMove: ev => this.onMove(ev), onEnd: ev => this.onEnd(ev), }); this.gesture.enable(); this.tmrId = setTimeout(() => { this.noAnimate = false; this.refresh(true); }, 250); } componentDidLoad() { const colEl = this.optsEl; if (colEl) { // DOM READ // We perfom a DOM read over a rendered item, this needs to happen after the first render this.optHeight = (colEl.firstElementChild ? colEl.firstElementChild.clientHeight : 0); } this.refresh(); } disconnectedCallback() { cancelAnimationFrame(this.rafId); clearTimeout(this.tmrId); if (this.gesture) { this.gesture.destroy(); this.gesture = undefined; } } emitColChange() { this.ionPickerColChange.emit(this.col); } setSelected(selectedIndex, duration) { // if there is a selected index, then figure out it's y position // if there isn't a selected index, then just use the top y position const y = (selectedIndex > -1) ? -(selectedIndex * this.optHeight) : 0; this.velocity = 0; // set what y position we're at cancelAnimationFrame(this.rafId); this.update(y, duration, true); this.emitColChange(); } update(y, duration, saveY) { if (!this.optsEl) { return; } // ensure we've got a good round number :) let translateY = 0; let translateZ = 0; const { col, rotateFactor } = this; const selectedIndex = col.selectedIndex = this.indexForY(-y); const durationStr = (duration === 0) ? '' : duration + 'ms'; const scaleStr = `scale(${this.scaleFactor})`; const children = this.optsEl.children; for (let i = 0; i < children.length; i++) { const button = children[i]; const opt = col.options[i]; const optOffset = (i * this.optHeight) + y; let transform = ''; if (rotateFactor !== 0) { const rotateX = optOffset * rotateFactor; if (Math.abs(rotateX) <= 90) { translateY = 0; translateZ = 90; transform = `rotateX(${rotateX}deg) `; } else { translateY = -9999; } } else { translateZ = 0; translateY = optOffset; } const selected = selectedIndex === i; transform += `translate3d(0px,${translateY}px,${translateZ}px) `; if (this.scaleFactor !== 1 && !selected) { transform += scaleStr; } // Update transition duration if (this.noAnimate) { opt.duration = 0; button.style.transitionDuration = ''; } else if (duration !== opt.duration) { opt.duration = duration; button.style.transitionDuration = durationStr; } // Update transform if (transform !== opt.transform) { opt.transform = transform; button.style.transform = transform; } // Update selected item if (selected !== opt.selected) { opt.selected = selected; if (selected) { button.classList.add(PICKER_OPT_SELECTED); } else { button.classList.remove(PICKER_OPT_SELECTED); } } } this.col.prevSelected = selectedIndex; if (saveY) { this.y = y; } if (this.lastIndex !== selectedIndex) { // have not set a last index yet haptic.hapticSelectionChanged(); this.lastIndex = selectedIndex; } } decelerate() { if (this.velocity !== 0) { // still decelerating this.velocity *= DECELERATION_FRICTION; // do not let it go slower than a velocity of 1 this.velocity = (this.velocity > 0) ? Math.max(this.velocity, 1) : Math.min(this.velocity, -1); let y = this.y + this.velocity; if (y > this.minY) { // whoops, it's trying to scroll up farther than the options we have! y = this.minY; this.velocity = 0; } else if (y < this.maxY) { // gahh, it's trying to scroll down farther than we can! y = this.maxY; this.velocity = 0; } this.update(y, 0, true); const notLockedIn = (Math.round(y) % this.optHeight !== 0) || (Math.abs(this.velocity) > 1); if (notLockedIn) { // isn't locked in yet, keep decelerating until it is this.rafId = requestAnimationFrame(() => this.decelerate()); } else { this.velocity = 0; this.emitColChange(); } } else if (this.y % this.optHeight !== 0) { // needs to still get locked into a position so options line up const currentPos = Math.abs(this.y % this.optHeight); // create a velocity in the direction it needs to scroll this.velocity = (currentPos > (this.optHeight / 2) ? 1 : -1); this.decelerate(); } } indexForY(y) { return Math.min(Math.max(Math.abs(Math.round(y / this.optHeight)), 0), this.col.options.length - 1); } // TODO should this check disabled? onStart(detail) { // We have to prevent default in order to block scrolling under the picker // but we DO NOT have to stop propagation, since we still want // some "click" events to capture detail.event.preventDefault(); detail.event.stopPropagation(); // reset everything cancelAnimationFrame(this.rafId); const options = this.col.options; let minY = (options.length - 1); let maxY = 0; for (let i = 0; i < options.length; i++) { if (!options[i].disabled) { minY = Math.min(minY, i); maxY = Math.max(maxY, i); } } this.minY = -(minY * this.optHeight); this.maxY = -(maxY * this.optHeight); } onMove(detail) { detail.event.preventDefault(); detail.event.stopPropagation(); // update the scroll position relative to pointer start position let y = this.y + detail.deltaY; if (y > this.minY) { // scrolling up higher than scroll area y = Math.pow(y, 0.8); this.bounceFrom = y; } else if (y < this.maxY) { // scrolling down below scroll area y += Math.pow(this.maxY - y, 0.9); this.bounceFrom = y; } else { this.bounceFrom = 0; } this.update(y, 0, false); } onEnd(detail) { if (this.bounceFrom > 0) { // bounce back up this.update(this.minY, 100, true); this.emitColChange(); return; } else if (this.bounceFrom < 0) { // bounce back down this.update(this.maxY, 100, true); this.emitColChange(); return; } this.velocity = helpers.clamp(-MAX_PICKER_SPEED, detail.velocityY * 23, MAX_PICKER_SPEED); if (this.velocity === 0 && detail.deltaY === 0) { const opt = detail.event.target.closest('.picker-opt'); if (opt && opt.hasAttribute('opt-index')) { this.setSelected(parseInt(opt.getAttribute('opt-index'), 10), TRANSITION_DURATION); } } else { this.y += detail.deltaY; if (Math.abs(detail.velocityY) < 0.05) { const isScrollingUp = detail.deltaY > 0; const optHeightFraction = (Math.abs(this.y) % this.optHeight) / this.optHeight; if (isScrollingUp && optHeightFraction > 0.5) { this.velocity = Math.abs(this.velocity) * -1; } else if (!isScrollingUp && optHeightFraction <= 0.5) { this.velocity = Math.abs(this.velocity); } } this.decelerate(); } } refresh(forceRefresh) { let min = this.col.options.length - 1; let max = 0; const options = this.col.options; for (let i = 0; i < options.length; i++) { if (!options[i].disabled) { min = Math.min(min, i); max = Math.max(max, i); } } /** * Only update selected value if column has a * velocity of 0. If it does not, then the * column is animating might land on * a value different than the value at * selectedIndex */ if (this.velocity !== 0) { return; } const selectedIndex = helpers.clamp(min, this.col.selectedIndex || 0, max); if (this.col.prevSelected !== selectedIndex || forceRefresh) { const y = (selectedIndex * this.optHeight) * -1; this.velocity = 0; this.update(y, TRANSITION_DURATION, true); } } render() { const col = this.col; const Button = 'button'; const mode = ionicGlobal.getIonMode(this); return (index.h(index.Host, { class: { [mode]: true, 'picker-col': true, 'picker-opts-left': this.col.align === 'left', 'picker-opts-right': this.col.align === 'right' }, style: { 'max-width': this.col.columnWidth } }, col.prefix && (index.h("div", { class: "picker-prefix", style: { width: col.prefixWidth } }, col.prefix)), index.h("div", { class: "picker-opts", style: { maxWidth: col.optionsWidth }, ref: el => this.optsEl = el }, col.options.map((o, index$1) => index.h(Button, { type: "button", class: { 'picker-opt': true, 'picker-opt-disabled': !!o.disabled }, "opt-index": index$1 }, o.text))), col.suffix && (index.h("div", { class: "picker-suffix", style: { width: col.suffixWidth } }, col.suffix)))); } get el() { return index.getElement(this); } static get watchers() { return { "col": ["colChanged"] }; } }; const PICKER_OPT_SELECTED = 'picker-opt-selected'; const DECELERATION_FRICTION = 0.97; const MAX_PICKER_SPEED = 90; const TRANSITION_DURATION = 150; PickerColumnCmp.style = { /*STENCIL:MODE:ios*/ ios: pickerColumnIosCss, /*STENCIL:MODE:md*/ md: pickerColumnMdCss }; exports.ion_picker_column = PickerColumnCmp;