ng-zorro-antd/fesm2015/ng-zorro-antd-slider.js

An enterprise-class UI components based on Ant Design and Angular

import { __decorate, __metadata } from 'tslib';
import { Directionality, BidiModule } from '@angular/cdk/bidi';
import { RIGHT_ARROW, UP_ARROW, LEFT_ARROW, DOWN_ARROW } from '@angular/cdk/keycodes';
import { Platform, PlatformModule } from '@angular/cdk/platform';
import { Injectable, Component, ChangeDetectionStrategy, ViewEncapsulation, ChangeDetectorRef, ViewChild, Input, EventEmitter, forwardRef, Optional, ViewChildren, Output, NgModule } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { InputBoolean, ensureNumberInRange, silentEvent, getPrecision, getPercent, getElementOffset, InputNumber, arraysEqual } from 'ng-zorro-antd/core/util';
import { Subject, fromEvent, merge } from 'rxjs';
import { takeUntil, filter, tap, pluck, map, distinctUntilChanged } from 'rxjs/operators';
import { NzTooltipDirective, NzToolTipModule } from 'ng-zorro-antd/tooltip';
import { CommonModule } from '@angular/common';

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
class NzSliderService {
    constructor() {
        this.isDragging = false;
    }
}
NzSliderService.decorators = [
    { type: Injectable }
];

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
class NzSliderHandleComponent {
    constructor(sliderService, cdr) {
        this.sliderService = sliderService;
        this.cdr = cdr;
        this.tooltipVisible = 'default';
        this.active = false;
        this.dir = 'ltr';
        this.style = {};
        this.enterHandle = () => {
            if (!this.sliderService.isDragging) {
                this.toggleTooltip(true);
                this.updateTooltipPosition();
                this.cdr.detectChanges();
            }
        };
        this.leaveHandle = () => {
            if (!this.sliderService.isDragging) {
                this.toggleTooltip(false);
                this.cdr.detectChanges();
            }
        };
    }
    ngOnChanges(changes) {
        const { offset, value, active, tooltipVisible, reverse, dir } = changes;
        if (offset || reverse || dir) {
            this.updateStyle();
        }
        if (value) {
            this.updateTooltipTitle();
            this.updateTooltipPosition();
        }
        if (active) {
            if (active.currentValue) {
                this.toggleTooltip(true);
            }
            else {
                this.toggleTooltip(false);
            }
        }
        if ((tooltipVisible === null || tooltipVisible === void 0 ? void 0 : tooltipVisible.currentValue) === 'always') {
            Promise.resolve().then(() => this.toggleTooltip(true, true));
        }
    }
    focus() {
        var _a;
        (_a = this.handleEl) === null || _a === void 0 ? void 0 : _a.nativeElement.focus();
    }
    toggleTooltip(show, force = false) {
        var _a, _b;
        if (!force && (this.tooltipVisible !== 'default' || !this.tooltip)) {
            return;
        }
        if (show) {
            (_a = this.tooltip) === null || _a === void 0 ? void 0 : _a.show();
        }
        else {
            (_b = this.tooltip) === null || _b === void 0 ? void 0 : _b.hide();
        }
    }
    updateTooltipTitle() {
        this.tooltipTitle = this.tooltipFormatter ? this.tooltipFormatter(this.value) : `${this.value}`;
    }
    updateTooltipPosition() {
        if (this.tooltip) {
            Promise.resolve().then(() => { var _a; return (_a = this.tooltip) === null || _a === void 0 ? void 0 : _a.updatePosition(); });
        }
    }
    updateStyle() {
        const vertical = this.vertical;
        const reverse = this.reverse;
        const offset = this.offset;
        const positionStyle = vertical
            ? {
                [reverse ? 'top' : 'bottom']: `${offset}%`,
                [reverse ? 'bottom' : 'top']: 'auto',
                transform: reverse ? null : `translateY(+50%)`
            }
            : Object.assign(Object.assign({}, this.getHorizontalStylePosition()), { transform: `translateX(${reverse ? (this.dir === 'rtl' ? '-' : '+') : this.dir === 'rtl' ? '+' : '-'}50%)` });
        this.style = positionStyle;
        this.cdr.markForCheck();
    }
    getHorizontalStylePosition() {
        let left = this.reverse ? 'auto' : `${this.offset}%`;
        let right = this.reverse ? `${this.offset}%` : 'auto';
        if (this.dir === 'rtl') {
            const tmp = left;
            left = right;
            right = tmp;
        }
        return { left, right };
    }
}
NzSliderHandleComponent.decorators = [
    { type: Component, args: [{
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                selector: 'nz-slider-handle',
                exportAs: 'nzSliderHandle',
                preserveWhitespaces: false,
                template: `
    <div
      #handle
      class="ant-slider-handle"
      tabindex="0"
      nz-tooltip
      [ngStyle]="style"
      [nzTooltipTitle]="tooltipFormatter === null || tooltipVisible === 'never' ? null : tooltipTitle"
      [nzTooltipTrigger]="null"
      [nzTooltipPlacement]="tooltipPlacement"
    ></div>
  `,
                host: {
                    '(mouseenter)': 'enterHandle()',
                    '(mouseleave)': 'leaveHandle()'
                }
            },] }
];
NzSliderHandleComponent.ctorParameters = () => [
    { type: NzSliderService },
    { type: ChangeDetectorRef }
];
NzSliderHandleComponent.propDecorators = {
    handleEl: [{ type: ViewChild, args: ['handle', { static: false },] }],
    tooltip: [{ type: ViewChild, args: [NzTooltipDirective, { static: false },] }],
    vertical: [{ type: Input }],
    reverse: [{ type: Input }],
    offset: [{ type: Input }],
    value: [{ type: Input }],
    tooltipVisible: [{ type: Input }],
    tooltipPlacement: [{ type: Input }],
    tooltipFormatter: [{ type: Input }],
    active: [{ type: Input }],
    dir: [{ type: Input }]
};
__decorate([
    InputBoolean(),
    __metadata("design:type", Object)
], NzSliderHandleComponent.prototype, "active", void 0);

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
class NzSliderComponent {
    constructor(sliderService, cdr, platform, directionality) {
        this.sliderService = sliderService;
        this.cdr = cdr;
        this.platform = platform;
        this.directionality = directionality;
        this.nzDisabled = false;
        this.nzDots = false;
        this.nzIncluded = true;
        this.nzRange = false;
        this.nzVertical = false;
        this.nzReverse = false;
        this.nzMarks = null;
        this.nzMax = 100;
        this.nzMin = 0;
        this.nzStep = 1;
        this.nzTooltipVisible = 'default';
        this.nzTooltipPlacement = 'top';
        this.nzOnAfterChange = new EventEmitter();
        this.value = null;
        this.cacheSliderStart = null;
        this.cacheSliderLength = null;
        this.activeValueIndex = undefined; // Current activated handle's index ONLY for range=true
        this.track = { offset: null, length: null }; // Track's offset and length
        this.handles = []; // Handles' offset
        this.marksArray = null; // "steps" in array type with more data & FILTER out the invalid mark
        this.bounds = { lower: null, upper: null }; // now for nz-slider-step
        this.dir = 'ltr';
        this.destroy$ = new Subject();
    }
    ngOnInit() {
        var _a;
        this.dir = this.directionality.value;
        (_a = this.directionality.change) === null || _a === void 0 ? void 0 : _a.pipe(takeUntil(this.destroy$)).subscribe((direction) => {
            this.dir = direction;
            this.cdr.detectChanges();
            this.updateTrackAndHandles();
            this.onValueChange(this.getValue(true));
        });
        this.handles = generateHandlers(this.nzRange ? 2 : 1);
        this.marksArray = this.nzMarks ? this.generateMarkItems(this.nzMarks) : null;
        this.bindDraggingHandlers();
        this.toggleDragDisabled(this.nzDisabled);
        if (this.getValue() === null) {
            this.setValue(this.formatValue(null));
        }
    }
    ngOnChanges(changes) {
        const { nzDisabled, nzMarks, nzRange } = changes;
        if (nzDisabled && !nzDisabled.firstChange) {
            this.toggleDragDisabled(nzDisabled.currentValue);
        }
        else if (nzMarks && !nzMarks.firstChange) {
            this.marksArray = this.nzMarks ? this.generateMarkItems(this.nzMarks) : null;
        }
        else if (nzRange && !nzRange.firstChange) {
            this.setValue(this.formatValue(null));
        }
    }
    ngOnDestroy() {
        this.unsubscribeDrag();
        this.destroy$.next();
        this.destroy$.complete();
    }
    writeValue(val) {
        this.setValue(val, true);
    }
    onValueChange(_value) { }
    onTouched() { }
    registerOnChange(fn) {
        this.onValueChange = fn;
    }
    registerOnTouched(fn) {
        this.onTouched = fn;
    }
    setDisabledState(isDisabled) {
        this.nzDisabled = isDisabled;
        this.toggleDragDisabled(isDisabled);
    }
    /**
     * Event handler is only triggered when a slider handler is focused.
     */
    onKeyDown(e) {
        const code = e.keyCode;
        const isIncrease = code === RIGHT_ARROW || code === UP_ARROW;
        const isDecrease = code === LEFT_ARROW || code === DOWN_ARROW;
        if (!(isIncrease || isDecrease)) {
            return;
        }
        e.preventDefault();
        let step = (isDecrease ? -this.nzStep : this.nzStep) * (this.nzReverse ? -1 : 1);
        step = this.dir === 'rtl' ? step * -1 : step;
        const newVal = this.nzRange ? this.value[this.activeValueIndex] + step : this.value + step;
        this.setActiveValue(ensureNumberInRange(newVal, this.nzMin, this.nzMax));
    }
    setValue(value, isWriteValue = false) {
        if (isWriteValue) {
            this.value = this.formatValue(value);
            this.updateTrackAndHandles();
        }
        else if (!valuesEqual(this.value, value)) {
            this.value = value;
            this.updateTrackAndHandles();
            this.onValueChange(this.getValue(true));
        }
    }
    getValue(cloneAndSort = false) {
        if (cloneAndSort && this.value && isValueRange(this.value)) {
            return [...this.value].sort((a, b) => a - b);
        }
        return this.value;
    }
    /**
     * Clone & sort current value and convert them to offsets, then return the new one.
     */
    getValueToOffset(value) {
        let normalizedValue = value;
        if (typeof normalizedValue === 'undefined') {
            normalizedValue = this.getValue(true);
        }
        return isValueRange(normalizedValue) ? normalizedValue.map(val => this.valueToOffset(val)) : this.valueToOffset(normalizedValue);
    }
    /**
     * Find the closest value to be activated.
     */
    setActiveValueIndex(pointerValue) {
        const value = this.getValue();
        if (isValueRange(value)) {
            let minimal = null;
            let gap;
            let activeIndex = -1;
            value.forEach((val, index) => {
                gap = Math.abs(pointerValue - val);
                if (minimal === null || gap < minimal) {
                    minimal = gap;
                    activeIndex = index;
                }
            });
            this.activeValueIndex = activeIndex;
            this.handlerComponents.toArray()[activeIndex].focus();
        }
        else {
            this.handlerComponents.toArray()[0].focus();
        }
    }
    setActiveValue(pointerValue) {
        if (isValueRange(this.value)) {
            const newValue = [...this.value];
            newValue[this.activeValueIndex] = pointerValue;
            this.setValue(newValue);
        }
        else {
            this.setValue(pointerValue);
        }
    }
    /**
     * Update track and handles' position and length.
     */
    updateTrackAndHandles() {
        const value = this.getValue();
        const offset = this.getValueToOffset(value);
        const valueSorted = this.getValue(true);
        const offsetSorted = this.getValueToOffset(valueSorted);
        const boundParts = isValueRange(valueSorted) ? valueSorted : [0, valueSorted];
        const trackParts = isValueRange(offsetSorted) ? [offsetSorted[0], offsetSorted[1] - offsetSorted[0]] : [0, offsetSorted];
        this.handles.forEach((handle, index) => {
            handle.offset = isValueRange(offset) ? offset[index] : offset;
            handle.value = isValueRange(value) ? value[index] : value || 0;
        });
        [this.bounds.lower, this.bounds.upper] = boundParts;
        [this.track.offset, this.track.length] = trackParts;
        this.cdr.markForCheck();
    }
    onDragStart(value) {
        this.toggleDragMoving(true);
        this.cacheSliderProperty();
        this.setActiveValueIndex(this.getLogicalValue(value));
        this.setActiveValue(this.getLogicalValue(value));
        this.showHandleTooltip(this.nzRange ? this.activeValueIndex : 0);
    }
    onDragMove(value) {
        this.setActiveValue(this.getLogicalValue(value));
        this.cdr.markForCheck();
    }
    getLogicalValue(value) {
        if (this.nzReverse) {
            if (!this.nzVertical && this.dir === 'rtl') {
                return value;
            }
            return this.nzMax - value + this.nzMin;
        }
        if (!this.nzVertical && this.dir === 'rtl') {
            return this.nzMax - value + this.nzMin;
        }
        return value;
    }
    onDragEnd() {
        this.nzOnAfterChange.emit(this.getValue(true));
        this.toggleDragMoving(false);
        this.cacheSliderProperty(true);
        this.hideAllHandleTooltip();
        this.cdr.markForCheck();
    }
    /**
     * Create user interactions handles.
     */
    bindDraggingHandlers() {
        if (!this.platform.isBrowser) {
            return;
        }
        const sliderDOM = this.slider.nativeElement;
        const orientField = this.nzVertical ? 'pageY' : 'pageX';
        const mouse = {
            start: 'mousedown',
            move: 'mousemove',
            end: 'mouseup',
            pluckKey: [orientField]
        };
        const touch = {
            start: 'touchstart',
            move: 'touchmove',
            end: 'touchend',
            pluckKey: ['touches', '0', orientField],
            filter: (e) => e instanceof TouchEvent
        };
        [mouse, touch].forEach(source => {
            const { start, move, end, pluckKey, filter: filterFunc = () => true } = source;
            source.startPlucked$ = fromEvent(sliderDOM, start).pipe(filter(filterFunc), tap(silentEvent), pluck(...pluckKey), map((position) => this.findClosestValue(position)));
            source.end$ = fromEvent(document, end);
            source.moveResolved$ = fromEvent(document, move).pipe(filter(filterFunc), tap(silentEvent), pluck(...pluckKey), distinctUntilChanged(), map((position) => this.findClosestValue(position)), distinctUntilChanged(), takeUntil(source.end$));
        });
        this.dragStart$ = merge(mouse.startPlucked$, touch.startPlucked$);
        this.dragMove$ = merge(mouse.moveResolved$, touch.moveResolved$);
        this.dragEnd$ = merge(mouse.end$, touch.end$);
    }
    subscribeDrag(periods = ['start', 'move', 'end']) {
        if (periods.indexOf('start') !== -1 && this.dragStart$ && !this.dragStart_) {
            this.dragStart_ = this.dragStart$.subscribe(this.onDragStart.bind(this));
        }
        if (periods.indexOf('move') !== -1 && this.dragMove$ && !this.dragMove_) {
            this.dragMove_ = this.dragMove$.subscribe(this.onDragMove.bind(this));
        }
        if (periods.indexOf('end') !== -1 && this.dragEnd$ && !this.dragEnd_) {
            this.dragEnd_ = this.dragEnd$.subscribe(this.onDragEnd.bind(this));
        }
    }
    unsubscribeDrag(periods = ['start', 'move', 'end']) {
        if (periods.indexOf('start') !== -1 && this.dragStart_) {
            this.dragStart_.unsubscribe();
            this.dragStart_ = null;
        }
        if (periods.indexOf('move') !== -1 && this.dragMove_) {
            this.dragMove_.unsubscribe();
            this.dragMove_ = null;
        }
        if (periods.indexOf('end') !== -1 && this.dragEnd_) {
            this.dragEnd_.unsubscribe();
            this.dragEnd_ = null;
        }
    }
    toggleDragMoving(movable) {
        const periods = ['move', 'end'];
        if (movable) {
            this.sliderService.isDragging = true;
            this.subscribeDrag(periods);
        }
        else {
            this.sliderService.isDragging = false;
            this.unsubscribeDrag(periods);
        }
    }
    toggleDragDisabled(disabled) {
        if (disabled) {
            this.unsubscribeDrag();
        }
        else {
            this.subscribeDrag(['start']);
        }
    }
    findClosestValue(position) {
        const sliderStart = this.getSliderStartPosition();
        const sliderLength = this.getSliderLength();
        const ratio = ensureNumberInRange((position - sliderStart) / sliderLength, 0, 1);
        const val = (this.nzMax - this.nzMin) * (this.nzVertical ? 1 - ratio : ratio) + this.nzMin;
        const points = this.nzMarks === null
            ? []
            : Object.keys(this.nzMarks)
                .map(parseFloat)
                .sort((a, b) => a - b);
        if (this.nzStep !== 0 && !this.nzDots) {
            const closestOne = Math.round(val / this.nzStep) * this.nzStep;
            points.push(closestOne);
        }
        const gaps = points.map(point => Math.abs(val - point));
        const closest = points[gaps.indexOf(Math.min(...gaps))];
        // return parseFloat(closest.toFixed(getPrecision(this.nzStep)));
        return this.nzStep === 0 ? closest : parseFloat(closest.toFixed(getPrecision(this.nzStep)));
    }
    valueToOffset(value) {
        return getPercent(this.nzMin, this.nzMax, value);
    }
    getSliderStartPosition() {
        if (this.cacheSliderStart !== null) {
            return this.cacheSliderStart;
        }
        const offset = getElementOffset(this.slider.nativeElement);
        return this.nzVertical ? offset.top : offset.left;
    }
    getSliderLength() {
        if (this.cacheSliderLength !== null) {
            return this.cacheSliderLength;
        }
        const sliderDOM = this.slider.nativeElement;
        return this.nzVertical ? sliderDOM.clientHeight : sliderDOM.clientWidth;
    }
    /**
     * Cache DOM layout/reflow operations for performance (may not necessary?)
     */
    cacheSliderProperty(remove = false) {
        this.cacheSliderStart = remove ? null : this.getSliderStartPosition();
        this.cacheSliderLength = remove ? null : this.getSliderLength();
    }
    formatValue(value) {
        if (!value) {
            return this.nzRange ? [this.nzMin, this.nzMax] : this.nzMin;
        }
        else if (assertValueValid(value, this.nzRange)) {
            return isValueRange(value)
                ? value.map(val => ensureNumberInRange(val, this.nzMin, this.nzMax))
                : ensureNumberInRange(value, this.nzMin, this.nzMax);
        }
        else {
            return this.nzDefaultValue ? this.nzDefaultValue : this.nzRange ? [this.nzMin, this.nzMax] : this.nzMin;
        }
    }
    /**
     * Show one handle's tooltip and hide others'.
     */
    showHandleTooltip(handleIndex = 0) {
        this.handles.forEach((handle, index) => {
            handle.active = index === handleIndex;
        });
    }
    hideAllHandleTooltip() {
        this.handles.forEach(handle => (handle.active = false));
    }
    generateMarkItems(marks) {
        const marksArray = [];
        for (const key in marks) {
            const mark = marks[key];
            const val = typeof key === 'number' ? key : parseFloat(key);
            if (val >= this.nzMin && val <= this.nzMax) {
                marksArray.push({ value: val, offset: this.valueToOffset(val), config: mark });
            }
        }
        return marksArray.length ? marksArray : null;
    }
}
NzSliderComponent.decorators = [
    { type: Component, args: [{
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                selector: 'nz-slider',
                exportAs: 'nzSlider',
                preserveWhitespaces: false,
                providers: [
                    {
                        provide: NG_VALUE_ACCESSOR,
                        useExisting: forwardRef(() => NzSliderComponent),
                        multi: true
                    },
                    NzSliderService
                ],
                host: {
                    '(keydown)': 'onKeyDown($event)'
                },
                template: `
    <div
      #slider
      class="ant-slider"
      [class.ant-slider-rtl]="dir === 'rtl'"
      [class.ant-slider-disabled]="nzDisabled"
      [class.ant-slider-vertical]="nzVertical"
      [class.ant-slider-with-marks]="marksArray"
    >
      <div class="ant-slider-rail"></div>
      <nz-slider-track
        [vertical]="nzVertical"
        [included]="nzIncluded"
        [offset]="track.offset!"
        [length]="track.length!"
        [reverse]="nzReverse"
        [dir]="dir"
      ></nz-slider-track>
      <nz-slider-step
        *ngIf="marksArray"
        [vertical]="nzVertical"
        [min]="nzMin"
        [max]="nzMax"
        [lowerBound]="$any(bounds.lower)"
        [upperBound]="$any(bounds.upper)"
        [marksArray]="marksArray"
        [included]="nzIncluded"
        [reverse]="nzReverse"
      ></nz-slider-step>
      <nz-slider-handle
        *ngFor="let handle of handles"
        [vertical]="nzVertical"
        [reverse]="nzReverse"
        [offset]="handle.offset!"
        [value]="handle.value!"
        [active]="handle.active"
        [tooltipFormatter]="nzTipFormatter"
        [tooltipVisible]="nzTooltipVisible"
        [tooltipPlacement]="nzTooltipPlacement"
        [dir]="dir"
      ></nz-slider-handle>
      <nz-slider-marks
        *ngIf="marksArray"
        [vertical]="nzVertical"
        [min]="nzMin"
        [max]="nzMax"
        [lowerBound]="$any(bounds.lower)"
        [upperBound]="$any(bounds.upper)"
        [marksArray]="marksArray"
        [included]="nzIncluded"
        [reverse]="nzReverse"
      ></nz-slider-marks>
    </div>
  `
            },] }
];
NzSliderComponent.ctorParameters = () => [
    { type: NzSliderService },
    { type: ChangeDetectorRef },
    { type: Platform },
    { type: Directionality, decorators: [{ type: Optional }] }
];
NzSliderComponent.propDecorators = {
    slider: [{ type: ViewChild, args: ['slider', { static: true },] }],
    handlerComponents: [{ type: ViewChildren, args: [NzSliderHandleComponent,] }],
    nzDisabled: [{ type: Input }],
    nzDots: [{ type: Input }],
    nzIncluded: [{ type: Input }],
    nzRange: [{ type: Input }],
    nzVertical: [{ type: Input }],
    nzReverse: [{ type: Input }],
    nzDefaultValue: [{ type: Input }],
    nzMarks: [{ type: Input }],
    nzMax: [{ type: Input }],
    nzMin: [{ type: Input }],
    nzStep: [{ type: Input }],
    nzTooltipVisible: [{ type: Input }],
    nzTooltipPlacement: [{ type: Input }],
    nzTipFormatter: [{ type: Input }],
    nzOnAfterChange: [{ type: Output }]
};
__decorate([
    InputBoolean(),
    __metadata("design:type", Object)
], NzSliderComponent.prototype, "nzDisabled", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Boolean)
], NzSliderComponent.prototype, "nzDots", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Boolean)
], NzSliderComponent.prototype, "nzIncluded", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Boolean)
], NzSliderComponent.prototype, "nzRange", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Boolean)
], NzSliderComponent.prototype, "nzVertical", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Boolean)
], NzSliderComponent.prototype, "nzReverse", void 0);
__decorate([
    InputNumber(),
    __metadata("design:type", Object)
], NzSliderComponent.prototype, "nzMax", void 0);
__decorate([
    InputNumber(),
    __metadata("design:type", Object)
], NzSliderComponent.prototype, "nzMin", void 0);
__decorate([
    InputNumber(),
    __metadata("design:type", Object)
], NzSliderComponent.prototype, "nzStep", void 0);
function getValueTypeNotMatchError() {
    return new Error(`The "nzRange" can't match the "ngModel"'s type, please check these properties: "nzRange", "ngModel", "nzDefaultValue".`);
}
function isValueRange(value) {
    if (value instanceof Array) {
        return value.length === 2;
    }
    else {
        return false;
    }
}
function generateHandlers(amount) {
    return Array(amount)
        .fill(0)
        .map(() => ({ offset: null, value: null, active: false }));
}
/**
 * Check if value is valid and throw error if value-type/range not match.
 */
function assertValueValid(value, isRange) {
    if ((!isValueRange(value) && isNaN(value)) || (isValueRange(value) && value.some(v => isNaN(v)))) {
        return false;
    }
    return assertValueTypeMatch(value, isRange);
}
/**
 * Assert that if `this.nzRange` is `true`, value is also a range, vice versa.
 */
function assertValueTypeMatch(value, isRange = false) {
    if (isValueRange(value) !== isRange) {
        throw getValueTypeNotMatchError();
    }
    return true;
}
function valuesEqual(valA, valB) {
    if (typeof valA !== typeof valB) {
        return false;
    }
    return isValueRange(valA) && isValueRange(valB) ? arraysEqual(valA, valB) : valA === valB;
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
class NzSliderMarksComponent {
    constructor() {
        this.lowerBound = null;
        this.upperBound = null;
        this.marksArray = [];
        this.vertical = false;
        this.included = false;
        this.marks = [];
    }
    ngOnChanges(changes) {
        const { marksArray, lowerBound, upperBound, reverse } = changes;
        if (marksArray || reverse) {
            this.buildMarks();
        }
        if (marksArray || lowerBound || upperBound || reverse) {
            this.togglePointActive();
        }
    }
    trackById(_index, mark) {
        return mark.value;
    }
    buildMarks() {
        const range = this.max - this.min;
        this.marks = this.marksArray.map(mark => {
            const { value, offset, config } = mark;
            const style = this.getMarkStyles(value, range, config);
            const label = isConfigObject(config) ? config.label : config;
            return {
                label,
                offset,
                style,
                value,
                config,
                active: false
            };
        });
    }
    getMarkStyles(value, range, config) {
        let style;
        const markValue = this.reverse ? this.max + this.min - value : value;
        if (this.vertical) {
            style = {
                marginBottom: '-50%',
                bottom: `${((markValue - this.min) / range) * 100}%`
            };
        }
        else {
            style = {
                transform: `translate3d(-50%, 0, 0)`,
                left: `${((markValue - this.min) / range) * 100}%`
            };
        }
        if (isConfigObject(config) && config.style) {
            style = Object.assign(Object.assign({}, style), config.style);
        }
        return style;
    }
    togglePointActive() {
        if (this.marks && this.lowerBound !== null && this.upperBound !== null) {
            this.marks.forEach(mark => {
                const value = mark.value;
                const isActive = (!this.included && value === this.upperBound) || (this.included && value <= this.upperBound && value >= this.lowerBound);
                mark.active = isActive;
            });
        }
    }
}
NzSliderMarksComponent.decorators = [
    { type: Component, args: [{
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                preserveWhitespaces: false,
                selector: 'nz-slider-marks',
                exportAs: 'nzSliderMarks',
                template: `
    <div class="ant-slider-mark">
      <span
        class="ant-slider-mark-text"
        *ngFor="let attr of marks; trackBy: trackById"
        [class.ant-slider-mark-active]="attr.active"
        [ngStyle]="attr.style!"
        [innerHTML]="attr.label"
      ></span>
    </div>
  `
            },] }
];
NzSliderMarksComponent.propDecorators = {
    lowerBound: [{ type: Input }],
    upperBound: [{ type: Input }],
    marksArray: [{ type: Input }],
    min: [{ type: Input }],
    max: [{ type: Input }],
    vertical: [{ type: Input }],
    included: [{ type: Input }],
    reverse: [{ type: Input }]
};
__decorate([
    InputBoolean(),
    __metadata("design:type", Object)
], NzSliderMarksComponent.prototype, "vertical", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Object)
], NzSliderMarksComponent.prototype, "included", void 0);
function isConfigObject(config) {
    return typeof config !== 'string';
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
class NzSliderStepComponent {
    constructor() {
        this.lowerBound = null;
        this.upperBound = null;
        this.marksArray = [];
        this.vertical = false;
        this.included = false;
        this.steps = [];
    }
    ngOnChanges(changes) {
        const { marksArray, lowerBound, upperBound, reverse } = changes;
        if (marksArray || reverse) {
            this.buildSteps();
        }
        if (marksArray || lowerBound || upperBound || reverse) {
            this.togglePointActive();
        }
    }
    trackById(_index, step) {
        return step.value;
    }
    buildSteps() {
        const orient = this.vertical ? 'bottom' : 'left';
        this.steps = this.marksArray.map(mark => {
            const { value, config } = mark;
            let offset = mark.offset;
            const range = this.max - this.min;
            if (this.reverse) {
                offset = ((this.max - value) / range) * 100;
            }
            return {
                value,
                offset,
                config,
                active: false,
                style: {
                    [orient]: `${offset}%`
                }
            };
        });
    }
    togglePointActive() {
        if (this.steps && this.lowerBound !== null && this.upperBound !== null) {
            this.steps.forEach(step => {
                const value = step.value;
                const isActive = (!this.included && value === this.upperBound) || (this.included && value <= this.upperBound && value >= this.lowerBound);
                step.active = isActive;
            });
        }
    }
}
NzSliderStepComponent.decorators = [
    { type: Component, args: [{
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                selector: 'nz-slider-step',
                exportAs: 'nzSliderStep',
                preserveWhitespaces: false,
                template: `
    <div class="ant-slider-step">
      <span
        class="ant-slider-dot"
        *ngFor="let mark of steps; trackBy: trackById"
        [class.ant-slider-dot-active]="mark.active"
        [ngStyle]="mark.style!"
      ></span>
    </div>
  `
            },] }
];
NzSliderStepComponent.propDecorators = {
    lowerBound: [{ type: Input }],
    upperBound: [{ type: Input }],
    marksArray: [{ type: Input }],
    min: [{ type: Input }],
    max: [{ type: Input }],
    vertical: [{ type: Input }],
    included: [{ type: Input }],
    reverse: [{ type: Input }]
};
__decorate([
    InputBoolean(),
    __metadata("design:type", Object)
], NzSliderStepComponent.prototype, "vertical", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Object)
], NzSliderStepComponent.prototype, "included", void 0);

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
class NzSliderTrackComponent {
    constructor() {
        this.offset = 0;
        this.reverse = false;
        this.dir = 'ltr';
        this.length = 0;
        this.vertical = false;
        this.included = false;
        this.style = {};
    }
    ngOnChanges() {
        const vertical = this.vertical;
        const reverse = this.reverse;
        const visibility = this.included ? 'visible' : 'hidden';
        const offset = this.offset;
        const length = this.length;
        const positonStyle = vertical
            ? {
                [reverse ? 'top' : 'bottom']: `${offset}%`,
                [reverse ? 'bottom' : 'top']: 'auto',
                height: `${length}%`,
                visibility
            }
            : Object.assign(Object.assign({}, this.getHorizontalStylePosition()), { width: `${length}%`, visibility });
        this.style = positonStyle;
    }
    getHorizontalStylePosition() {
        let left = this.reverse ? 'auto' : `${this.offset}%`;
        let right = this.reverse ? `${this.offset}%` : 'auto';
        if (this.dir === 'rtl') {
            const tmp = left;
            left = right;
            right = tmp;
        }
        return { left, right };
    }
}
NzSliderTrackComponent.decorators = [
    { type: Component, args: [{
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                selector: 'nz-slider-track',
                exportAs: 'nzSliderTrack',
                preserveWhitespaces: false,
                template: `
    <div class="ant-slider-track" [ngStyle]="style"></div>
  `
            },] }
];
NzSliderTrackComponent.propDecorators = {
    offset: [{ type: Input }],
    reverse: [{ type: Input }],
    dir: [{ type: Input }],
    length: [{ type: Input }],
    vertical: [{ type: Input }],
    included: [{ type: Input }]
};
__decorate([
    InputNumber(),
    __metadata("design:type", Number)
], NzSliderTrackComponent.prototype, "offset", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Boolean)
], NzSliderTrackComponent.prototype, "reverse", void 0);
__decorate([
    InputNumber(),
    __metadata("design:type", Number)
], NzSliderTrackComponent.prototype, "length", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Object)
], NzSliderTrackComponent.prototype, "vertical", void 0);
__decorate([
    InputBoolean(),
    __metadata("design:type", Object)
], NzSliderTrackComponent.prototype, "included", void 0);

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
class NzSliderModule {
}
NzSliderModule.decorators = [
    { type: NgModule, args: [{
                exports: [NzSliderComponent, NzSliderTrackComponent, NzSliderHandleComponent, NzSliderStepComponent, NzSliderMarksComponent],
                declarations: [NzSliderComponent, NzSliderTrackComponent, NzSliderHandleComponent, NzSliderStepComponent, NzSliderMarksComponent],
                imports: [BidiModule, CommonModule, PlatformModule, NzToolTipModule]
            },] }
];

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
class NzMarks {
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */

/**
 * Generated bundle index. Do not edit.
 */

export { NzMarks, NzSliderComponent, NzSliderModule, NzSliderHandleComponent as ɵNzSliderHandleComponent, NzSliderMarksComponent as ɵNzSliderMarksComponent, NzSliderService as ɵNzSliderService, NzSliderStepComponent as ɵNzSliderStepComponent, NzSliderTrackComponent as ɵNzSliderTrackComponent };
//# sourceMappingURL=ng-zorro-antd-slider.js.map