@catull/igniteui-angular
Version:
Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
266 lines • 22.4 kB
JavaScript
import { __decorate, __metadata } from "tslib";
import { Component, Input, HostListener, ElementRef, HostBinding, Output, EventEmitter, OnInit, OnDestroy, TemplateRef } from '@angular/core';
import { takeUntil } from 'rxjs/operators';
import { SliderHandle } from '../slider.common';
import { Subject } from 'rxjs';
/**
* @hidden
*/
let IgxSliderThumbComponent = class IgxSliderThumbComponent {
constructor(_elementRef) {
this._elementRef = _elementRef;
this._isActive = false;
this._isPressed = false;
this._destroy$ = new Subject();
this.isActive = false;
this.onThumbValueChange = new EventEmitter();
this.onChange = new EventEmitter();
this.onHoverChange = new EventEmitter();
this.tabindex = 0;
this.zIndex = 0;
}
get thumbPositionX() {
const thumbBounderies = this.nativeElement.getBoundingClientRect();
const thumbCenter = (thumbBounderies.right - thumbBounderies.left) / 2;
return thumbBounderies.left + thumbCenter;
}
get thumbFromClass() {
return this.type === SliderHandle.FROM;
}
get thumbToClass() {
return this.type === SliderHandle.TO;
}
get thumbFromActiveClass() {
return this.type === SliderHandle.FROM && this._isActive;
}
get thumbToActiveClass() {
return this.type === SliderHandle.TO && this._isActive;
}
get thumbPressedClass() {
return this.isActive && this._isPressed;
}
get nativeElement() {
return this._elementRef.nativeElement;
}
get destroy() {
return this._destroy$;
}
/**
* @hidden
*/
ngOnInit() {
this.onPan
.pipe(takeUntil(this._destroy$))
.subscribe(mouseX => this.updateThumbValue(mouseX));
}
/**
* @hidden
*/
ngOnDestroy() {
this._destroy$.next(true);
this._destroy$.complete();
}
onPinterEnter() {
this.onHoverChange.emit(true);
}
onPointerLeave() {
this.onHoverChange.emit(false);
}
onKeyDown(event) {
if (this.disabled) {
return;
}
let increment = 0;
if (event.key.endsWith('Left')) {
increment = this.step * -1;
}
else if (event.key.endsWith('Right')) {
increment = this.step;
}
else {
return;
}
this.onChange.emit();
this.onThumbValueChange.emit(increment);
}
onBlur() {
this.isActive = false;
this.zIndex = 0;
}
onFocusListener() {
this.isActive = true;
this.zIndex = 1;
}
/**
* Show thumb label and ripple.
*/
showThumbIndicators() {
this.toggleThumbIndicators(true);
}
/**
* Hide thumb label and ripple.
*/
hideThumbIndicators() {
this.toggleThumbIndicators(false);
}
updateThumbValue(mouseX) {
const updateValue = this.calculateTrackUpdate(mouseX);
if (this.isActive && updateValue !== 0) {
this.onThumbValueChange.emit(updateValue);
}
}
calculateTrackUpdate(mouseX) {
const scaleX = mouseX - this.thumbPositionX;
const stepDistanceCenter = this.stepDistance / 2;
// If the thumb scale range (slider update) is less thàn a half step,
// the position stays the same.
const scaleXPositive = Math.abs(scaleX);
if (scaleXPositive < stepDistanceCenter) {
return 0;
}
return this.stepToProceed(scaleX, this.stepDistance);
}
stepToProceed(scaleX, stepDist) {
return Math.round(scaleX / stepDist) * this.step;
}
toggleThumbIndicators(visible) {
this._isPressed = visible;
if (this.continuous || this.deactiveState) {
this._isActive = false;
}
else {
this._isActive = visible;
}
}
};
IgxSliderThumbComponent.ctorParameters = () => [
{ type: ElementRef }
];
__decorate([
Input(),
__metadata("design:type", Number)
], IgxSliderThumbComponent.prototype, "value", void 0);
__decorate([
Input(),
__metadata("design:type", Boolean)
], IgxSliderThumbComponent.prototype, "continuous", void 0);
__decorate([
Input(),
__metadata("design:type", Object)
], IgxSliderThumbComponent.prototype, "thumbLabelVisibilityDuration", void 0);
__decorate([
Input(),
__metadata("design:type", Boolean)
], IgxSliderThumbComponent.prototype, "disabled", void 0);
__decorate([
Input(),
__metadata("design:type", Subject)
], IgxSliderThumbComponent.prototype, "onPan", void 0);
__decorate([
Input(),
__metadata("design:type", Number)
], IgxSliderThumbComponent.prototype, "stepDistance", void 0);
__decorate([
Input(),
__metadata("design:type", Number)
], IgxSliderThumbComponent.prototype, "step", void 0);
__decorate([
Input(),
__metadata("design:type", TemplateRef)
], IgxSliderThumbComponent.prototype, "templateRef", void 0);
__decorate([
Input(),
__metadata("design:type", Object)
], IgxSliderThumbComponent.prototype, "context", void 0);
__decorate([
Input(),
__metadata("design:type", Number)
], IgxSliderThumbComponent.prototype, "type", void 0);
__decorate([
Input(),
__metadata("design:type", Boolean)
], IgxSliderThumbComponent.prototype, "deactiveState", void 0);
__decorate([
Output(),
__metadata("design:type", Object)
], IgxSliderThumbComponent.prototype, "onThumbValueChange", void 0);
__decorate([
Output(),
__metadata("design:type", Object)
], IgxSliderThumbComponent.prototype, "onChange", void 0);
__decorate([
Output(),
__metadata("design:type", Object)
], IgxSliderThumbComponent.prototype, "onHoverChange", void 0);
__decorate([
HostBinding('attr.tabindex'),
__metadata("design:type", Object)
], IgxSliderThumbComponent.prototype, "tabindex", void 0);
__decorate([
HostBinding('attr.z-index'),
__metadata("design:type", Object)
], IgxSliderThumbComponent.prototype, "zIndex", void 0);
__decorate([
HostBinding('class.igx-slider__thumb-from'),
__metadata("design:type", Object),
__metadata("design:paramtypes", [])
], IgxSliderThumbComponent.prototype, "thumbFromClass", null);
__decorate([
HostBinding('class.igx-slider__thumb-to'),
__metadata("design:type", Object),
__metadata("design:paramtypes", [])
], IgxSliderThumbComponent.prototype, "thumbToClass", null);
__decorate([
HostBinding('class.igx-slider__thumb-from--active'),
__metadata("design:type", Object),
__metadata("design:paramtypes", [])
], IgxSliderThumbComponent.prototype, "thumbFromActiveClass", null);
__decorate([
HostBinding('class.igx-slider__thumb-to--active'),
__metadata("design:type", Object),
__metadata("design:paramtypes", [])
], IgxSliderThumbComponent.prototype, "thumbToActiveClass", null);
__decorate([
HostBinding('class.igx-slider__thumb--pressed'),
__metadata("design:type", Object),
__metadata("design:paramtypes", [])
], IgxSliderThumbComponent.prototype, "thumbPressedClass", null);
__decorate([
HostListener('pointerenter'),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], IgxSliderThumbComponent.prototype, "onPinterEnter", null);
__decorate([
HostListener('pointerleave'),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], IgxSliderThumbComponent.prototype, "onPointerLeave", null);
__decorate([
HostListener('keydown', ['$event']),
__metadata("design:type", Function),
__metadata("design:paramtypes", [KeyboardEvent]),
__metadata("design:returntype", void 0)
], IgxSliderThumbComponent.prototype, "onKeyDown", null);
__decorate([
HostListener('blur'),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], IgxSliderThumbComponent.prototype, "onBlur", null);
__decorate([
HostListener('focus'),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], IgxSliderThumbComponent.prototype, "onFocusListener", null);
IgxSliderThumbComponent = __decorate([
Component({
selector: 'igx-thumb',
template: "<div class=\"dot\"></div>\n"
}),
__metadata("design:paramtypes", [ElementRef])
], IgxSliderThumbComponent);
export { IgxSliderThumbComponent };
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{\n    Component,\n    Input,\n    HostListener,\n    ElementRef,\n    HostBinding,\n    Output,\n    EventEmitter,\n    OnInit,\n    OnDestroy,\n    TemplateRef\n} from '@angular/core';\nimport { takeUntil } from 'rxjs/operators';\nimport { SliderHandle } from '../slider.common';\nimport { Subject } from 'rxjs';\n\n/**\n * @hidden\n */\n@Component({\n    selector: 'igx-thumb',\n    templateUrl: 'thumb-slider.component.html',\n})\nexport class IgxSliderThumbComponent implements OnInit, OnDestroy {\n\n    private _isActive = false;\n    private _isPressed = false;\n    private _destroy$ = new Subject<boolean>();\n\n    private get thumbPositionX() {\n        const thumbBounderies = this.nativeElement.getBoundingClientRect();\n        const thumbCenter = (thumbBounderies.right - thumbBounderies.left) / 2;\n        return thumbBounderies.left + thumbCenter;\n    }\n\n    public isActive = false;\n\n    @Input()\n    public value: number;\n\n    @Input()\n    public continuous: boolean;\n\n    @Input()\n    public thumbLabelVisibilityDuration;\n\n    @Input()\n    public disabled: boolean;\n\n    @Input()\n    public onPan: Subject<number>;\n\n    @Input()\n    public stepDistance: number;\n\n    @Input()\n    public step: number;\n\n    @Input()\n    public templateRef: TemplateRef<any>;\n\n    @Input()\n    public context: any;\n\n    @Input()\n    public type: SliderHandle;\n\n    @Input()\n    public deactiveState: boolean;\n\n    @Output()\n    public onThumbValueChange = new EventEmitter<number>();\n\n    @Output()\n    public onChange = new EventEmitter<any>();\n\n    @Output()\n    public onHoverChange = new EventEmitter<boolean>();\n\n    @HostBinding('attr.tabindex')\n    public tabindex = 0;\n\n    @HostBinding('attr.z-index')\n    public zIndex = 0;\n\n    @HostBinding('class.igx-slider__thumb-from')\n    public get thumbFromClass() {\n        return this.type === SliderHandle.FROM;\n    }\n\n    @HostBinding('class.igx-slider__thumb-to')\n    public get thumbToClass() {\n        return this.type === SliderHandle.TO;\n    }\n\n    @HostBinding('class.igx-slider__thumb-from--active')\n    public get thumbFromActiveClass() {\n        return this.type === SliderHandle.FROM && this._isActive;\n    }\n\n    @HostBinding('class.igx-slider__thumb-to--active')\n    public get thumbToActiveClass() {\n        return this.type === SliderHandle.TO && this._isActive;\n    }\n\n    @HostBinding('class.igx-slider__thumb--pressed')\n    public get thumbPressedClass() {\n        return this.isActive && this._isPressed;\n    }\n\n    public get nativeElement() {\n        return this._elementRef.nativeElement;\n    }\n\n    public get destroy(): Subject<boolean> {\n        return this._destroy$;\n    }\n\n    constructor(private _elementRef: ElementRef) { }\n\n    /**\n     * @hidden\n     */\n    public ngOnInit() {\n        this.onPan\n            .pipe(takeUntil(this._destroy$))\n            .subscribe(mouseX =>\n                this.updateThumbValue(mouseX)\n            );\n    }\n\n    /**\n     * @hidden\n     */\n    public ngOnDestroy() {\n        this._destroy$.next(true);\n        this._destroy$.complete();\n    }\n\n    @HostListener('pointerenter')\n    public onPinterEnter() {\n        this.onHoverChange.emit(true);\n    }\n\n    @HostListener('pointerleave')\n    public onPointerLeave() {\n        this.onHoverChange.emit(false);\n    }\n\n    @HostListener('keydown', ['$event'])\n    public onKeyDown(event: KeyboardEvent) {\n        if (this.disabled) {\n            return;\n        }\n\n        let increment = 0;\n        if (event.key.endsWith('Left')) {\n            increment = this.step * - 1;\n        } else if (event.key.endsWith('Right')) {\n            increment = this.step;\n        } else {\n            return;\n        }\n\n        this.onChange.emit();\n        this.onThumbValueChange.emit(increment);\n    }\n\n    @HostListener('blur')\n    public onBlur() {\n        this.isActive = false;\n        this.zIndex = 0;\n    }\n\n    @HostListener('focus')\n    public onFocusListener() {\n        this.isActive = true;\n        this.zIndex = 1;\n    }\n\n    /**\n     * Show thumb label and ripple.\n     */\n    public showThumbIndicators() {\n        this.toggleThumbIndicators(true);\n    }\n\n    /**\n     * Hide thumb label and ripple.\n     */\n    public hideThumbIndicators() {\n        this.toggleThumbIndicators(false);\n    }\n\n    private updateThumbValue(mouseX: number) {\n        const updateValue = this.calculateTrackUpdate(mouseX);\n        if (this.isActive && updateValue !== 0) {\n            this.onThumbValueChange.emit(updateValue);\n        }\n    }\n\n    private calculateTrackUpdate(mouseX: number): number {\n        const scaleX = mouseX - this.thumbPositionX;\n        const stepDistanceCenter = this.stepDistance / 2;\n\n        // If the thumb scale range (slider update) is less thàn a half step,\n        // the position stays the same.\n        const scaleXPositive = Math.abs(scaleX);\n        if (scaleXPositive < stepDistanceCenter) {\n            return 0;\n        }\n\n        return this.stepToProceed(scaleX, this.stepDistance);\n    }\n\n    private stepToProceed(scaleX, stepDist) {\n        return Math.round(scaleX / stepDist) * this.step;\n    }\n\n    private toggleThumbIndicators(visible: boolean) {\n        this._isPressed = visible;\n\n        if (this.continuous || this.deactiveState) {\n            this._isActive = false;\n        } else {\n            this._isActive = visible;\n        }\n\n    }\n}\n"]}