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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | 4x 4x 4x 4x 4x 4x 4x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 4x 4x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 16x 4x 4x 4x 4x 4x 16x 16x 2x 2x 2x 2x 2x 2x | import { Component, ElementRef, Input, OnChanges, SimpleChanges, ViewChild } from "@angular/core"
import { calculateSliderRangePosition, SliderRangePosition, updateLeftThumb, updateRightThumb } from "./utils/SliderRangePosition"
import { parseNumberInput } from "../../../../util/parseNumberInput"
import { MatFormField } from "@angular/material/form-field"
import { MatInput } from "@angular/material/input"
import { RangeSliderLabelsComponent } from "./rangeSliderLabels/rangeSliderLabels.component"
export type HandleValueChange = (changedValue: { newLeftValue?: number; newRightValue?: number }) => void
export type CurrentlySliding = undefined | "leftThumb" | "rightThumb"
@Component({
selector: "cc-metric-color-range-slider",
templateUrl: "./metricColorRangeSlider.component.html",
styleUrls: ["./metricColorRangeSlider.component.scss"],
standalone: true,
imports: [MatFormField, MatInput, RangeSliderLabelsComponent]
})
export class MetricColorRangeSliderComponent implements OnChanges {
@Input() minValue: number
@Input() maxValue: number
@Input() currentLeftValue: number
@Input() currentRightValue: number
@Input() leftColor: string
@Input() middleColor: string
@Input() rightColor: string
@Input() handleValueChange: HandleValueChange
@Input() sliderWidth = 150
@Input() isAttributeDirectionInversed: boolean
@ViewChild("rangeSliderContainer") sliderContainer: ElementRef<HTMLDivElement>
@ViewChild("leftThumb") leftThumb: ElementRef<HTMLDivElement>
@ViewChild("rightThumb") rightThumb: ElementRef<HTMLDivElement>
sliderRangePosition: SliderRangePosition = { leftEnd: 0, rightStart: 0 }
thumbRadius = 7
upcomingLeftValue: number
upcomingRightValue: number
private currentlySliding: CurrentlySliding = undefined
ngOnChanges(changes: SimpleChanges) {
if (!this.currentlySliding) {
this.sliderRangePosition = calculateSliderRangePosition({
minValue: this.minValue,
maxValue: this.maxValue,
currentLeftValue: this.currentLeftValue,
currentRightValue: this.currentRightValue,
sliderWidth: this.sliderWidth
})
if (changes.currentLeftValue) {
this.upcomingLeftValue = this.currentLeftValue
}
if (changes.currentRightValue) {
this.upcomingRightValue = this.currentRightValue
}
}
}
setCurrentlySliding(currentlySliding: CurrentlySliding) {
this.currentlySliding = currentlySliding
switch (this.currentlySliding) {
case "leftThumb":
document.addEventListener("mousemove", this.handleLeftThumbMoved)
this.rightThumb.nativeElement.style.zIndex = "0"
this.leftThumb.nativeElement.style.zIndex = "1"
this.resetCurrentlySlidingOnNextMouseUp(this.handleLeftThumbMoved)
break
case "rightThumb":
document.addEventListener("mousemove", this.handleRightThumbMoved)
this.leftThumb.nativeElement.style.zIndex = "0"
this.rightThumb.nativeElement.style.zIndex = "1"
this.resetCurrentlySlidingOnNextMouseUp(this.handleRightThumbMoved)
break
}
}
resetCurrentlySlidingOnNextMouseUp = (handler: (event: MouseEvent) => void) => {
const mouseUpHandler = () => {
this.currentlySliding = undefined
document.removeEventListener("mouseup", mouseUpHandler)
document.removeEventListener("mousemove", handler)
}
document.addEventListener("mouseup", mouseUpHandler)
}
handleLeftThumbMoved = (event: MouseEvent) => {
const updates = updateLeftThumb({
deltaX: event.movementX,
thumbScreenX: this.leftThumb.nativeElement.getBoundingClientRect().x,
thumbRadius: this.thumbRadius,
otherThumbScreenX: this.rightThumb.nativeElement.getBoundingClientRect().x,
sliderBoundingClientRectX: this.sliderContainer.nativeElement.getBoundingClientRect().x,
sliderWidth: this.sliderWidth,
minValue: this.minValue,
maxValue: this.maxValue
})
this.sliderRangePosition = {
leftEnd: updates.updatedThumbX,
rightStart: this.sliderRangePosition.rightStart
}
this.upcomingLeftValue = updates.upcomingValue
this.handleValueChange({ newLeftValue: updates.upcomingValue })
}
handleRightThumbMoved = (event: MouseEvent) => {
const updates = updateRightThumb({
deltaX: event.movementX,
thumbScreenX: this.rightThumb.nativeElement.getBoundingClientRect().x,
thumbRadius: this.thumbRadius,
otherThumbScreenX: this.leftThumb.nativeElement.getBoundingClientRect().x,
sliderBoundingClientRectX: this.sliderContainer.nativeElement.getBoundingClientRect().x,
sliderWidth: this.sliderWidth,
minValue: this.minValue,
maxValue: this.maxValue
})
this.sliderRangePosition = {
leftEnd: this.sliderRangePosition.leftEnd,
rightStart: updates.updatedThumbX
}
this.upcomingRightValue = updates.upcomingValue
this.handleValueChange({ newRightValue: updates.upcomingValue })
}
handleCurrentLeftInputChanged($event: Event) {
const newLeftValue = parseNumberInput($event, this.minValue, this.currentRightValue)
if (newLeftValue !== this.currentLeftValue) {
this.handleValueChange({ newLeftValue })
}
}
handleCurrentRightInputChanged($event: Event) {
const newRightValue = parseNumberInput($event, this.currentLeftValue, this.maxValue)
if (newRightValue !== this.currentRightValue) {
this.handleValueChange({ newRightValue })
}
}
}
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