primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ • 20.8 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common'), require('primeng/dom'), require('@angular/forms')) :
typeof define === 'function' && define.amd ? define('primeng/slider', ['exports', '@angular/core', '@angular/common', 'primeng/dom', '@angular/forms'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.primeng = global.primeng || {}, global.primeng.slider = {}), global.ng.core, global.ng.common, global.primeng.dom, global.ng.forms));
}(this, (function (exports, core, common, dom, forms) { 'use strict';
var SLIDER_VALUE_ACCESSOR = {
provide: forms.NG_VALUE_ACCESSOR,
useExisting: core.forwardRef(function () { return Slider; }),
multi: true
};
var Slider = /** @class */ (function () {
function Slider(el, renderer, ngZone, cd) {
this.el = el;
this.renderer = renderer;
this.ngZone = ngZone;
this.cd = cd;
this.min = 0;
this.max = 100;
this.orientation = 'horizontal';
this.tabindex = 0;
this.onChange = new core.EventEmitter();
this.onSlideEnd = new core.EventEmitter();
this.handleValues = [];
this.onModelChange = function () { };
this.onModelTouched = function () { };
this.handleIndex = 0;
}
Slider.prototype.onMouseDown = function (event, index) {
if (this.disabled) {
return;
}
this.dragging = true;
this.updateDomData();
this.sliderHandleClick = true;
if (this.range && this.handleValues && this.handleValues[0] === this.max) {
this.handleIndex = 0;
}
else {
this.handleIndex = index;
}
this.bindDragListeners();
event.target.focus();
event.preventDefault();
if (this.animate) {
dom.DomHandler.removeClass(this.el.nativeElement.children[0], 'p-slider-animate');
}
};
Slider.prototype.onTouchStart = function (event, index) {
if (this.disabled) {
return;
}
var touchobj = event.changedTouches[0];
this.startHandleValue = (this.range) ? this.handleValues[index] : this.handleValue;
this.dragging = true;
if (this.range && this.handleValues && this.handleValues[0] === this.max) {
this.handleIndex = 0;
}
else {
this.handleIndex = index;
}
if (this.orientation === 'horizontal') {
this.startx = parseInt(touchobj.clientX, 10);
this.barWidth = this.el.nativeElement.children[0].offsetWidth;
}
else {
this.starty = parseInt(touchobj.clientY, 10);
this.barHeight = this.el.nativeElement.children[0].offsetHeight;
}
if (this.animate) {
dom.DomHandler.removeClass(this.el.nativeElement.children[0], 'p-slider-animate');
}
event.preventDefault();
};
Slider.prototype.onTouchMove = function (event, index) {
if (this.disabled) {
return;
}
var touchobj = event.changedTouches[0], handleValue = 0;
if (this.orientation === 'horizontal') {
handleValue = Math.floor(((parseInt(touchobj.clientX, 10) - this.startx) * 100) / (this.barWidth)) + this.startHandleValue;
}
else {
handleValue = Math.floor(((this.starty - parseInt(touchobj.clientY, 10)) * 100) / (this.barHeight)) + this.startHandleValue;
}
this.setValueFromHandle(event, handleValue);
event.preventDefault();
};
Slider.prototype.onTouchEnd = function (event, index) {
if (this.disabled) {
return;
}
this.dragging = false;
if (this.range)
this.onSlideEnd.emit({ originalEvent: event, values: this.values });
else
this.onSlideEnd.emit({ originalEvent: event, value: this.value });
if (this.animate) {
dom.DomHandler.addClass(this.el.nativeElement.children[0], 'p-slider-animate');
}
event.preventDefault();
};
Slider.prototype.onBarClick = function (event) {
if (this.disabled) {
return;
}
if (!this.sliderHandleClick) {
this.updateDomData();
this.handleChange(event);
}
this.sliderHandleClick = false;
};
Slider.prototype.onHandleKeydown = function (event, handleIndex) {
if (this.disabled) {
return;
}
if (event.which == 38 || event.which == 39) {
this.spin(event, 1, handleIndex);
}
else if (event.which == 37 || event.which == 40) {
this.spin(event, -1, handleIndex);
}
};
Slider.prototype.spin = function (event, dir, handleIndex) {
var step = (this.step || 1) * dir;
if (this.range) {
this.handleIndex = handleIndex;
this.updateValue(this.values[this.handleIndex] + step);
this.updateHandleValue();
}
else {
this.updateValue(this.value + step);
this.updateHandleValue();
}
event.preventDefault();
};
Slider.prototype.handleChange = function (event) {
var handleValue = this.calculateHandleValue(event);
this.setValueFromHandle(event, handleValue);
};
Slider.prototype.bindDragListeners = function () {
var _this = this;
this.ngZone.runOutsideAngular(function () {
var documentTarget = _this.el ? _this.el.nativeElement.ownerDocument : 'document';
if (!_this.dragListener) {
_this.dragListener = _this.renderer.listen(documentTarget, 'mousemove', function (event) {
if (_this.dragging) {
_this.ngZone.run(function () {
_this.handleChange(event);
});
}
});
}
if (!_this.mouseupListener) {
_this.mouseupListener = _this.renderer.listen(documentTarget, 'mouseup', function (event) {
if (_this.dragging) {
_this.dragging = false;
_this.ngZone.run(function () {
if (_this.range)
_this.onSlideEnd.emit({ originalEvent: event, values: _this.values });
else
_this.onSlideEnd.emit({ originalEvent: event, value: _this.value });
if (_this.animate) {
dom.DomHandler.addClass(_this.el.nativeElement.children[0], 'p-slider-animate');
}
});
}
});
}
});
};
Slider.prototype.unbindDragListeners = function () {
if (this.dragListener) {
this.dragListener();
}
if (this.mouseupListener) {
this.mouseupListener();
}
};
Slider.prototype.setValueFromHandle = function (event, handleValue) {
this.sliderHandleClick = false;
var newValue = this.getValueFromHandle(handleValue);
if (this.range) {
if (this.step) {
this.handleStepChange(newValue, this.values[this.handleIndex]);
}
else {
this.handleValues[this.handleIndex] = handleValue;
this.updateValue(newValue, event);
}
}
else {
if (this.step) {
this.handleStepChange(newValue, this.value);
}
else {
this.handleValue = handleValue;
this.updateValue(newValue, event);
}
}
this.cd.markForCheck();
};
Slider.prototype.handleStepChange = function (newValue, oldValue) {
var diff = (newValue - oldValue);
var val = oldValue;
if (diff < 0) {
val = oldValue + Math.ceil(newValue / this.step - oldValue / this.step) * this.step;
}
else if (diff > 0) {
val = oldValue + Math.floor(newValue / this.step - oldValue / this.step) * this.step;
}
this.updateValue(val);
this.updateHandleValue();
};
Slider.prototype.writeValue = function (value) {
if (this.range)
this.values = value || [0, 0];
else
this.value = value || 0;
this.updateHandleValue();
this.cd.markForCheck();
};
Slider.prototype.registerOnChange = function (fn) {
this.onModelChange = fn;
};
Slider.prototype.registerOnTouched = function (fn) {
this.onModelTouched = fn;
};
Slider.prototype.setDisabledState = function (val) {
this.disabled = val;
this.cd.markForCheck();
};
Object.defineProperty(Slider.prototype, "rangeStartLeft", {
get: function () {
return this.isVertical() ? 'auto' : this.handleValues[0] + '%';
},
enumerable: false,
configurable: true
});
Object.defineProperty(Slider.prototype, "rangeStartBottom", {
get: function () {
return this.isVertical() ? this.handleValues[0] + '%' : 'auto';
},
enumerable: false,
configurable: true
});
Object.defineProperty(Slider.prototype, "rangeEndLeft", {
get: function () {
return this.isVertical() ? 'auto' : this.handleValues[1] + '%';
},
enumerable: false,
configurable: true
});
Object.defineProperty(Slider.prototype, "rangeEndBottom", {
get: function () {
return this.isVertical() ? this.handleValues[1] + '%' : 'auto';
},
enumerable: false,
configurable: true
});
Slider.prototype.isVertical = function () {
return this.orientation === 'vertical';
};
Slider.prototype.updateDomData = function () {
var rect = this.el.nativeElement.children[0].getBoundingClientRect();
this.initX = rect.left + dom.DomHandler.getWindowScrollLeft();
this.initY = rect.top + dom.DomHandler.getWindowScrollTop();
this.barWidth = this.el.nativeElement.children[0].offsetWidth;
this.barHeight = this.el.nativeElement.children[0].offsetHeight;
};
Slider.prototype.calculateHandleValue = function (event) {
if (this.orientation === 'horizontal')
return ((event.pageX - this.initX) * 100) / (this.barWidth);
else
return (((this.initY + this.barHeight) - event.pageY) * 100) / (this.barHeight);
};
Slider.prototype.updateHandleValue = function () {
if (this.range) {
this.handleValues[0] = (this.values[0] < this.min ? 0 : this.values[0] - this.min) * 100 / (this.max - this.min);
this.handleValues[1] = (this.values[1] > this.max ? 100 : this.values[1] - this.min) * 100 / (this.max - this.min);
}
else {
if (this.value < this.min)
this.handleValue = 0;
else if (this.value > this.max)
this.handleValue = 100;
else
this.handleValue = (this.value - this.min) * 100 / (this.max - this.min);
}
};
Slider.prototype.updateValue = function (val, event) {
if (this.range) {
var value = val;
if (this.handleIndex == 0) {
if (value < this.min) {
value = this.min;
this.handleValues[0] = 0;
}
else if (value > this.values[1]) {
value = this.values[1];
this.handleValues[0] = this.handleValues[1];
}
this.sliderHandleStart.nativeElement.focus();
}
else {
if (value > this.max) {
value = this.max;
this.handleValues[1] = 100;
}
else if (value < this.values[0]) {
value = this.values[0];
this.handleValues[1] = this.handleValues[0];
}
this.sliderHandleEnd.nativeElement.focus();
}
this.values[this.handleIndex] = this.getNormalizedValue(value);
this.values = this.values.slice();
this.onModelChange(this.values);
this.onChange.emit({ event: event, values: this.values });
}
else {
if (val < this.min) {
val = this.min;
this.handleValue = 0;
}
else if (val > this.max) {
val = this.max;
this.handleValue = 100;
}
this.value = this.getNormalizedValue(val);
this.onModelChange(this.value);
this.onChange.emit({ event: event, value: this.value });
this.sliderHandle.nativeElement.focus();
}
};
Slider.prototype.getValueFromHandle = function (handleValue) {
return (this.max - this.min) * (handleValue / 100) + this.min;
};
Slider.prototype.getDecimalsCount = function (value) {
if (value && Math.floor(value) !== value)
return value.toString().split(".")[1].length || 0;
return 0;
};
Slider.prototype.getNormalizedValue = function (val) {
var decimalsCount = this.getDecimalsCount(this.step);
if (decimalsCount > 0) {
return +val.toFixed(decimalsCount);
}
else {
return Math.floor(val);
}
};
Slider.prototype.ngOnDestroy = function () {
this.unbindDragListeners();
};
return Slider;
}());
Slider.decorators = [
{ type: core.Component, args: [{
selector: 'p-slider',
template: "\n <div [ngStyle]=\"style\" [class]=\"styleClass\" [ngClass]=\"{'p-slider p-component':true,'p-disabled':disabled,\n 'p-slider-horizontal':orientation == 'horizontal','p-slider-vertical':orientation == 'vertical','p-slider-animate':animate}\"\n (click)=\"onBarClick($event)\">\n <span *ngIf=\"range && orientation == 'horizontal'\" class=\"p-slider-range\" [ngStyle]=\"{'left':handleValues[0] + '%',width: (handleValues[1] - handleValues[0] + '%')}\"></span>\n <span *ngIf=\"range && orientation == 'vertical'\" class=\"p-slider-range\" [ngStyle]=\"{'bottom':handleValues[0] + '%',height: (handleValues[1] - handleValues[0] + '%')}\"></span>\n <span *ngIf=\"!range && orientation=='vertical'\" class=\"p-slider-range\" [ngStyle]=\"{'height': handleValue + '%'}\"></span>\n <span *ngIf=\"!range && orientation=='horizontal'\" class=\"p-slider-range\" [ngStyle]=\"{'width': handleValue + '%'}\"></span>\n <span #sliderHandle *ngIf=\"!range\" [attr.tabindex]=\"disabled ? null : tabindex\" (keydown)=\"onHandleKeydown($event)\" class=\"p-slider-handle\" (mousedown)=\"onMouseDown($event)\" (touchstart)=\"onTouchStart($event)\" (touchmove)=\"onTouchMove($event)\" (touchend)=\"onTouchEnd($event)\"\n [style.transition]=\"dragging ? 'none': null\" [ngStyle]=\"{'left': orientation == 'horizontal' ? handleValue + '%' : null,'bottom': orientation == 'vertical' ? handleValue + '%' : null}\"\n [attr.aria-valuemin]=\"min\" [attr.aria-valuenow]=\"value\" [attr.aria-valuemax]=\"max\" [attr.aria-labelledby]=\"ariaLabelledBy\"></span>\n <span #sliderHandleStart *ngIf=\"range\" [attr.tabindex]=\"disabled ? null : tabindex\" (keydown)=\"onHandleKeydown($event,0)\" (mousedown)=\"onMouseDown($event,0)\" (touchstart)=\"onTouchStart($event,0)\" (touchmove)=\"onTouchMove($event,0)\" (touchend)=\"onTouchEnd($event)\" [style.transition]=\"dragging ? 'none': null\" class=\"p-slider-handle\" \n [ngStyle]=\"{'left': rangeStartLeft, 'bottom': rangeStartBottom}\" [ngClass]=\"{'p-slider-handle-active':handleIndex==0}\"\n [attr.aria-valuemin]=\"min\" [attr.aria-valuenow]=\"value ? value[0] : null\" [attr.aria-valuemax]=\"max\" [attr.aria-labelledby]=\"ariaLabelledBy\"></span>\n <span #sliderHandleEnd *ngIf=\"range\" [attr.tabindex]=\"disabled ? null : tabindex\" (keydown)=\"onHandleKeydown($event,1)\" (mousedown)=\"onMouseDown($event,1)\" (touchstart)=\"onTouchStart($event,1)\" (touchmove)=\"onTouchMove($event,1)\" (touchend)=\"onTouchEnd($event)\" [style.transition]=\"dragging ? 'none': null\" class=\"p-slider-handle\" \n [ngStyle]=\"{'left': rangeEndLeft, 'bottom': rangeEndBottom}\" [ngClass]=\"{'p-slider-handle-active':handleIndex==1}\"\n [attr.aria-valuemin]=\"min\" [attr.aria-valuenow]=\"value ? value[1] : null\" [attr.aria-valuemax]=\"max\" [attr.aria-labelledby]=\"ariaLabelledBy\"></span>\n </div>\n ",
providers: [SLIDER_VALUE_ACCESSOR],
changeDetection: core.ChangeDetectionStrategy.OnPush,
encapsulation: core.ViewEncapsulation.None,
styles: [".p-slider{position:relative}.p-slider .p-slider-handle{cursor:grab;touch-action:none}.p-slider-range,.p-slider .p-slider-handle{display:block;position:absolute}.p-slider-horizontal .p-slider-range{height:100%;left:0;top:0}.p-slider-horizontal .p-slider-handle{top:50%}.p-slider-vertical{height:100px}.p-slider-vertical .p-slider-handle{left:50%}.p-slider-vertical .p-slider-range{bottom:0;left:0;width:100%}"]
},] }
];
Slider.ctorParameters = function () { return [
{ type: core.ElementRef },
{ type: core.Renderer2 },
{ type: core.NgZone },
{ type: core.ChangeDetectorRef }
]; };
Slider.propDecorators = {
animate: [{ type: core.Input }],
disabled: [{ type: core.Input }],
min: [{ type: core.Input }],
max: [{ type: core.Input }],
orientation: [{ type: core.Input }],
step: [{ type: core.Input }],
range: [{ type: core.Input }],
style: [{ type: core.Input }],
styleClass: [{ type: core.Input }],
ariaLabelledBy: [{ type: core.Input }],
tabindex: [{ type: core.Input }],
onChange: [{ type: core.Output }],
onSlideEnd: [{ type: core.Output }],
sliderHandle: [{ type: core.ViewChild, args: ["sliderHandle",] }],
sliderHandleStart: [{ type: core.ViewChild, args: ["sliderHandleStart",] }],
sliderHandleEnd: [{ type: core.ViewChild, args: ["sliderHandleEnd",] }]
};
var SliderModule = /** @class */ (function () {
function SliderModule() {
}
return SliderModule;
}());
SliderModule.decorators = [
{ type: core.NgModule, args: [{
imports: [common.CommonModule],
exports: [Slider],
declarations: [Slider]
},] }
];
/**
* Generated bundle index. Do not edit.
*/
exports.SLIDER_VALUE_ACCESSOR = SLIDER_VALUE_ACCESSOR;
exports.Slider = Slider;
exports.SliderModule = SliderModule;
Object.defineProperty(exports, '__esModule', { value: true });
})));
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