ng-zorro-antd-mobile
Version:
An enterprise-class mobile UI components based on Ant Design and Angular
390 lines (389 loc) • 30.9 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
import { Component, ElementRef, Input, Output, EventEmitter, HostListener, ViewEncapsulation } from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
export class SliderHandle {
/**
* @param {?} _elf
* @param {?} _sanitizer
*/
constructor(_elf, _sanitizer) {
this._elf = _elf;
this._sanitizer = _sanitizer;
this._disabled = false;
this._marks = {};
this._isDraging = false;
this.onChange = new EventEmitter();
this.onAfterChange = new EventEmitter();
this.mouseDown = event => {
if (!this._disabled && this.isMouseTarget(event)) {
this._startX = event.clientX;
this._handleStatus = 'start';
this._isDraging = true;
document.addEventListener('mousemove', this.mouseMove, false);
document.addEventListener('mouseup', this.mouseUp, false);
this.pauseEvent(event);
}
};
this.mouseMove = event => {
if (!this._disabled && this._isDraging) {
this.pauseEvent(event);
/** @type {?} */
const pos = event.clientX;
this._value = Math.round(this.calcValueByPos(pos));
this.left = this.calcOffset(this._value);
if (this._oldValue !== this._value) {
this._oldValue = this._value;
this.onChange.emit(this._value);
}
}
};
this.mouseUp = event => {
if (!this._disabled && this._isDraging) {
this._handleStatus = 'end';
this._isDraging = false;
/** @type {?} */
const pos = event.clientX;
this._value = Math.round(this.calcValueByPos(pos));
this.left = this.calcOffset(this._value);
this.onAfterChange.emit(this._value);
}
};
}
/**
* @param {?} value
* @return {?}
*/
set min(value) {
this._min = value;
}
/**
* @param {?} value
* @return {?}
*/
set max(value) {
this._max = value;
}
/**
* @param {?} value
* @return {?}
*/
set minBound(value) {
this._minBound = value;
}
/**
* @param {?} value
* @return {?}
*/
set maxBound(value) {
this._maxBound = value;
}
/**
* @param {?} value
* @return {?}
*/
set step(value) {
this._step = value;
}
/**
* @param {?} value
* @return {?}
*/
set value(value) {
this._value = value;
if (this._value) {
this.left = this.calcOffset(this._value);
}
}
/**
* @param {?} value
* @return {?}
*/
set disabled(value) {
this._disabled = value;
}
/**
* @param {?} value
* @return {?}
*/
set sliderLength(value) {
this._sliderLength = value;
}
/**
* @param {?} value
* @return {?}
*/
set sliderStart(value) {
this._sliderStart = value;
}
/**
* @return {?}
*/
get handleStyle() {
return this._handleStyle;
}
/**
* @param {?} value
* @return {?}
*/
set handleStyle(value) {
this._handleStyle = value;
}
/**
* @param {?} event
* @return {?}
*/
panstart(event) {
event.preventDefault();
if (!this._disabled) {
this._startX = event && event.changedTouches && event.changedTouches[0] && event.changedTouches[0].clientX;
this._handleStatus = 'start';
this._isDraging = true;
}
}
/**
* @param {?} event
* @return {?}
*/
panmove(event) {
event.preventDefault();
if (!this._disabled && this._isDraging) {
/** @type {?} */
const pos = event.changedTouches[0].clientX;
this._value = Math.round(this.calcValueByPos(pos));
this.left = this.calcOffset(this._value);
if (this._oldValue !== this._value) {
this._oldValue = this._value;
this.onChange.emit(this._value);
}
}
}
/**
* @param {?} event
* @return {?}
*/
panend(event) {
event.preventDefault();
if (!this._disabled && this._isDraging) {
this._handleStatus = 'end';
this._isDraging = false;
/** @type {?} */
const pos = event.changedTouches[0].clientX;
this._value = Math.round(this.calcValueByPos(pos));
this.left = this.calcOffset(this._value);
this.onAfterChange.emit(this._value);
}
}
/**
* @param {?} pos
* @return {?}
*/
calcValueByPos(pos) {
/** @type {?} */
const offset = pos - this._sliderStart;
/** @type {?} */
let value = this.calcValue(offset);
if (value <= this._minBound) {
value = this._minBound;
}
if (value >= this._maxBound) {
value = this._maxBound;
}
/** @type {?} */
const closestPoint = this.getClosestPoint(value);
return this._step === null ? closestPoint : parseFloat(closestPoint.toFixed(this.getPrecision(this._step)));
}
/**
* @param {?} offset
* @return {?}
*/
calcValue(offset) {
/** @type {?} */
const ratio = Math.abs(Math.max(offset, 0) / this._sliderLength);
/** @type {?} */
const value = ratio * (this._max - this._min) + this._min;
return value;
}
/**
* @param {?} val
* @return {?}
*/
getClosestPoint(val) {
/** @type {?} */
const points = Object.keys(this._marks).map(parseFloat);
if (this._step !== null) {
/** @type {?} */
const closestStep = Math.round((val - this._min) / this._step) * this._step + this._min;
points.push(closestStep);
}
/** @type {?} */
const diffs = points.map(function (point) {
return Math.abs(val - point);
});
return points[diffs.indexOf(Math.min.apply(Math, this.toConsumableArray(diffs)))];
}
/**
* @param {?} step
* @return {?}
*/
getPrecision(step) {
/** @type {?} */
const stepString = step.toString();
/** @type {?} */
let precision = 0;
if (stepString.indexOf('.') >= 0) {
precision = stepString.length - stepString.indexOf('.') - 1;
}
return precision;
}
/**
* @param {?} value
* @return {?}
*/
calcOffset(value) {
/** @type {?} */
const ratio = (value - this._min) / (this._max - this._min);
return ratio * 100;
}
/**
* @param {?} e
* @return {?}
*/
pauseEvent(e) {
e.stopPropagation();
e.preventDefault();
}
/**
* @param {?} event
* @return {?}
*/
isMouseTarget(event) {
/** @type {?} */
let target = event.target;
/** @type {?} */
let parentFound = false;
while (target !== null && !parentFound) {
if (target === this._elf.nativeElement) {
parentFound = true;
}
target = target.parentElement;
}
return parentFound;
}
/**
* @param {?} arr
* @return {?}
*/
toConsumableArray(arr) {
if (Array.isArray(arr)) {
/** @type {?} */
const arr2 = Array(arr.length);
for (let i = 0; i < arr.length; i++) {
arr2[i] = arr[i];
}
return arr2;
}
}
/**
* @return {?}
*/
ngOnInit() {
/** @type {?} */
const self = this;
this._elf.nativeElement.addEventListener('mousedown', this.mouseDown, false);
this._handleOffsetX = this._elf.nativeElement.getBoundingClientRect().x;
this.left = this.calcOffset(this._value);
this._minBound = this._minBound === undefined ? this._min : this._minBound;
this._maxBound = this._maxBound === undefined ? this._max : this._maxBound;
this.onAfterChange.emit(this._value);
}
/**
* @return {?}
*/
ngOnDestroy() {
document.removeEventListener('mousemove', this.mouseMove, false);
document.removeEventListener('mouseup', this.mouseUp, false);
}
}
SliderHandle.decorators = [
{ type: Component, args: [{
selector: 'SliderHandle, nzm-slider-handle',
template: "<div role=\"slider\"\n class=\"am-slider-handle\"\n [ngStyle]=\"handleStyle\"\n [style.left.%]=\"left\">\n</div>",
encapsulation: ViewEncapsulation.None
}] }
];
/** @nocollapse */
SliderHandle.ctorParameters = () => [
{ type: ElementRef },
{ type: DomSanitizer }
];
SliderHandle.propDecorators = {
min: [{ type: Input }],
max: [{ type: Input }],
minBound: [{ type: Input }],
maxBound: [{ type: Input }],
step: [{ type: Input }],
value: [{ type: Input }],
disabled: [{ type: Input }],
sliderLength: [{ type: Input }],
sliderStart: [{ type: Input }],
handleStyle: [{ type: Input }],
onChange: [{ type: Output }],
onAfterChange: [{ type: Output }],
panstart: [{ type: HostListener, args: ['touchstart', ['$event'],] }],
panmove: [{ type: HostListener, args: ['touchmove', ['$event'],] }],
panend: [{ type: HostListener, args: ['touchend', ['$event'],] }]
};
if (false) {
/** @type {?} */
SliderHandle.prototype.left;
/** @type {?} */
SliderHandle.prototype._min;
/** @type {?} */
SliderHandle.prototype._max;
/** @type {?} */
SliderHandle.prototype._step;
/** @type {?} */
SliderHandle.prototype._value;
/** @type {?} */
SliderHandle.prototype._disabled;
/** @type {?} */
SliderHandle.prototype._marks;
/** @type {?} */
SliderHandle.prototype._handleStyle;
/** @type {?} */
SliderHandle.prototype._sliderLength;
/** @type {?} */
SliderHandle.prototype._sliderStart;
/** @type {?} */
SliderHandle.prototype._minBound;
/** @type {?} */
SliderHandle.prototype._maxBound;
/** @type {?} */
SliderHandle.prototype._startX;
/** @type {?} */
SliderHandle.prototype._isDraging;
/** @type {?} */
SliderHandle.prototype._handleStatus;
/** @type {?} */
SliderHandle.prototype._handleOffsetX;
/** @type {?} */
SliderHandle.prototype._oldValue;
/** @type {?} */
SliderHandle.prototype.onChange;
/** @type {?} */
SliderHandle.prototype.onAfterChange;
/** @type {?} */
SliderHandle.prototype.mouseDown;
/** @type {?} */
SliderHandle.prototype.mouseMove;
/** @type {?} */
SliderHandle.prototype.mouseUp;
/** @type {?} */
SliderHandle.prototype._elf;
/** @type {?} */
SliderHandle.prototype._sanitizer;
}
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{\n  Component,\n  OnInit,\n  ElementRef,\n  Input,\n  Output,\n  EventEmitter,\n  HostListener,\n  OnDestroy,\n  ViewEncapsulation\n} from '@angular/core';\nimport { DomSanitizer } from '@angular/platform-browser';\n\n@Component({\n  selector: 'SliderHandle, nzm-slider-handle',\n  templateUrl: './slider-handle.component.html',\n  encapsulation: ViewEncapsulation.None\n})\nexport class SliderHandle implements OnInit, OnDestroy {\n  left: number;\n\n  private _min: number;\n  private _max: number;\n  private _step: number;\n  private _value: number;\n  private _disabled: boolean = false;\n  private _marks: object = {};\n  private _handleStyle: object;\n  private _sliderLength: number;\n  private _sliderStart: number;\n  private _minBound: number;\n  private _maxBound: number;\n  private _startX: number;\n  private _isDraging: boolean = false;\n  private _handleStatus: string;\n  private _handleOffsetX: number;\n  private _oldValue: number;\n\n  @Input()\n  set min(value: number) {\n    this._min = value;\n  }\n  @Input()\n  set max(value: number) {\n    this._max = value;\n  }\n  @Input()\n  set minBound(value: number) {\n    this._minBound = value;\n  }\n  @Input()\n  set maxBound(value: number) {\n    this._maxBound = value;\n  }\n  @Input()\n  set step(value: number) {\n    this._step = value;\n  }\n  @Input()\n  set value(value: number) {\n    this._value = value;\n    if (this._value) {\n      this.left = this.calcOffset(this._value);\n    }\n  }\n  @Input()\n  set disabled(value: boolean) {\n    this._disabled = value;\n  }\n  @Input()\n  set sliderLength(value: number) {\n    this._sliderLength = value;\n  }\n  @Input()\n  set sliderStart(value: number) {\n    this._sliderStart = value;\n  }\n  @Input()\n  get handleStyle(): object {\n    return this._handleStyle;\n  }\n  set handleStyle(value: object) {\n    this._handleStyle = value;\n  }\n  @Output()\n  onChange = new EventEmitter<any>();\n  @Output()\n  onAfterChange = new EventEmitter<any>();\n\n  /* 手势操作 */\n  @HostListener('touchstart', ['$event'])\n  panstart(event) {\n    event.preventDefault();\n    if (!this._disabled) {\n      this._startX = event && event.changedTouches && event.changedTouches[0] && event.changedTouches[0].clientX;\n      this._handleStatus = 'start';\n      this._isDraging = true;\n    }\n  }\n\n  @HostListener('touchmove', ['$event'])\n  panmove(event) {\n    event.preventDefault();\n    if (!this._disabled && this._isDraging) {\n      const pos = event.changedTouches[0].clientX;\n      this._value = Math.round(this.calcValueByPos(pos));\n      this.left = this.calcOffset(this._value);\n      if (this._oldValue !== this._value) {\n        this._oldValue = this._value;\n        this.onChange.emit(this._value);\n      }\n    }\n  }\n  @HostListener('touchend', ['$event'])\n  panend(event) {\n    event.preventDefault();\n    if (!this._disabled && this._isDraging) {\n      this._handleStatus = 'end';\n      this._isDraging = false;\n      const pos = event.changedTouches[0].clientX;\n      this._value = Math.round(this.calcValueByPos(pos));\n      this.left = this.calcOffset(this._value);\n      this.onAfterChange.emit(this._value);\n    }\n  }\n\n  constructor(private _elf: ElementRef, private _sanitizer: DomSanitizer) {}\n\n  mouseDown = event => {\n    if (!this._disabled && this.isMouseTarget(event)) {\n      this._startX = event.clientX;\n      this._handleStatus = 'start';\n      this._isDraging = true;\n      document.addEventListener('mousemove', this.mouseMove, false);\n      document.addEventListener('mouseup', this.mouseUp, false);\n      this.pauseEvent(event);\n    }\n  };\n\n  mouseMove = event => {\n    if (!this._disabled && this._isDraging) {\n      this.pauseEvent(event);\n      const pos = event.clientX;\n      this._value = Math.round(this.calcValueByPos(pos));\n      this.left = this.calcOffset(this._value);\n      if (this._oldValue !== this._value) {\n        this._oldValue = this._value;\n        this.onChange.emit(this._value);\n      }\n    }\n  };\n\n  mouseUp = event => {\n    if (!this._disabled && this._isDraging) {\n      this._handleStatus = 'end';\n      this._isDraging = false;\n      const pos = event.clientX;\n      this._value = Math.round(this.calcValueByPos(pos));\n      this.left = this.calcOffset(this._value);\n      this.onAfterChange.emit(this._value);\n    }\n  };\n\n  calcValueByPos(pos) {\n    const offset = pos - this._sliderStart;\n    let value = this.calcValue(offset);\n    if (value <= this._minBound) {\n      value = this._minBound;\n    }\n    if (value >= this._maxBound) {\n      value = this._maxBound;\n    }\n    const closestPoint = this.getClosestPoint(value);\n    return this._step === null ? closestPoint : parseFloat(closestPoint.toFixed(this.getPrecision(this._step)));\n  }\n\n  calcValue(offset) {\n    const ratio = Math.abs(Math.max(offset, 0) / this._sliderLength);\n    const value = ratio * (this._max - this._min) + this._min;\n    return value;\n  }\n\n  getClosestPoint(val) {\n    const points = Object.keys(this._marks).map(parseFloat);\n    if (this._step !== null) {\n      const closestStep = Math.round((val - this._min) / this._step) * this._step + this._min;\n      points.push(closestStep);\n    }\n    const diffs = points.map(function(point) {\n      return Math.abs(val - point);\n    });\n    return points[diffs.indexOf(Math.min.apply(Math, this.toConsumableArray(diffs)))];\n  }\n\n  getPrecision(step) {\n    const stepString = step.toString();\n    let precision = 0;\n    if (stepString.indexOf('.') >= 0) {\n      precision = stepString.length - stepString.indexOf('.') - 1;\n    }\n    return precision;\n  }\n\n  calcOffset(value) {\n    const ratio = (value - this._min) / (this._max - this._min);\n    return ratio * 100;\n  }\n\n  pauseEvent(e) {\n    e.stopPropagation();\n    e.preventDefault();\n  }\n\n  isMouseTarget(event) {\n    let target = event.target;\n    let parentFound = false;\n    while (target !== null && !parentFound) {\n      if (target === this._elf.nativeElement) {\n        parentFound = true;\n      }\n      target = target.parentElement;\n    }\n    return parentFound;\n  }\n\n  toConsumableArray(arr) {\n    if (Array.isArray(arr)) {\n      const arr2 = Array(arr.length);\n      for (let i = 0; i < arr.length; i++) {\n        arr2[i] = arr[i];\n      }\n      return arr2;\n    }\n  }\n\n  ngOnInit() {\n    const self = this;\n    this._elf.nativeElement.addEventListener('mousedown', this.mouseDown, false);\n    this._handleOffsetX = this._elf.nativeElement.getBoundingClientRect().x;\n    this.left = this.calcOffset(this._value);\n    this._minBound = this._minBound === undefined ? this._min : this._minBound;\n    this._maxBound = this._maxBound === undefined ? this._max : this._maxBound;\n    this.onAfterChange.emit(this._value);\n  }\n\n  ngOnDestroy() {\n    document.removeEventListener('mousemove', this.mouseMove, false);\n    document.removeEventListener('mouseup', this.mouseUp, false);\n  }\n}\n"]}