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@ng-matero/extensions

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{"version":3,"file":"mtxSplit.mjs","sources":["../../../projects/extensions/split/utils.ts","../../../projects/extensions/split/split.ts","../../../projects/extensions/split/split.html","../../../projects/extensions/split/split-pane.ts","../../../projects/extensions/split/split-module.ts","../../../projects/extensions/split/mtxSplit.ts"],"sourcesContent":["import { ElementRef } from '@angular/core';\n\nimport {\n MtxSplitArea,\n MtxSplitPoint,\n MtxSplitAreaSnapshot,\n MtxSplitSideAbsorptionCapacity,\n MtxSplitAreaAbsorptionCapacity,\n} from './interfaces';\n\nexport function getPointFromEvent(event: MouseEvent | TouchEvent): MtxSplitPoint | null {\n // TouchEvent\n if (\n (event as TouchEvent).changedTouches !== undefined &&\n (event as TouchEvent).changedTouches.length > 0\n ) {\n return {\n x: (event as TouchEvent).changedTouches[0].clientX,\n y: (event as TouchEvent).changedTouches[0].clientY,\n };\n }\n // MouseEvent\n else if (\n (event as MouseEvent).clientX !== undefined &&\n (event as MouseEvent).clientY !== undefined\n ) {\n return {\n x: (event as MouseEvent).clientX,\n y: (event as MouseEvent).clientY,\n };\n }\n return null;\n}\n\nexport function getElementPixelSize(\n elRef: ElementRef,\n direction: 'horizontal' | 'vertical'\n): number {\n const rect = (elRef.nativeElement as HTMLElement).getBoundingClientRect();\n\n return direction === 'horizontal' ? rect.width : rect.height;\n}\n\nexport function getInputPositiveNumber<T>(v: any, defaultValue: T): number | T {\n if (v === null || v === undefined) {\n return defaultValue;\n }\n\n v = Number(v);\n return !isNaN(v) && v >= 0 ? v : defaultValue;\n}\n\nexport function isUserSizesValid(\n unit: 'percent' | 'pixel',\n sizes: number[]\n): boolean | number | void {\n // All sizes have to be not null and total should be 100\n if (unit === 'percent') {\n const total = sizes.reduce((_total, s) => (s !== null ? _total + s : _total), 0);\n return sizes.every(s => s !== null) && total && total > 99.9 && total < 100.1;\n }\n\n // A size at null is mandatory but only one.\n if (unit === 'pixel') {\n return sizes.filter(s => s === null).length === 1;\n }\n}\n\nexport function getAreaMinSize(a: MtxSplitArea): null | number {\n if (a.size === null) {\n return null;\n }\n\n if (a.component.lockSize === true) {\n return a.size;\n }\n\n if (a.component.minSize === null) {\n return null;\n }\n\n if (a.component.minSize > a.size) {\n return a.size;\n }\n\n return a.component.minSize;\n}\n\nexport function getAreaMaxSize(a: MtxSplitArea): null | number {\n if (a.size === null) {\n return null;\n }\n\n if (a.component.lockSize === true) {\n return a.size;\n }\n\n if (a.component.maxSize === null) {\n return null;\n }\n\n if (a.component.maxSize < a.size) {\n return a.size;\n }\n\n return a.component.maxSize;\n}\n\nexport function getGutterSideAbsorptionCapacity(\n unit: 'percent' | 'pixel',\n sideAreas: MtxSplitAreaSnapshot[],\n pixels: number,\n allAreasSizePixel: number\n): MtxSplitSideAbsorptionCapacity {\n return sideAreas.reduce(\n (acc: any, area) => {\n const res = getAreaAbsorptionCapacity(unit, area, acc.remain, allAreasSizePixel);\n acc.list.push(res);\n acc.remain = res && res.pixelRemain;\n return acc;\n },\n { remain: pixels, list: [] }\n );\n}\n\nexport function getAreaAbsorptionCapacity(\n unit: 'percent' | 'pixel',\n areaSnapshot: MtxSplitAreaSnapshot,\n pixels: number,\n allAreasSizePixel: number\n): MtxSplitAreaAbsorptionCapacity | void {\n // No pain no gain\n if (pixels === 0) {\n return {\n areaSnapshot,\n pixelAbsorb: 0,\n percentAfterAbsorption: areaSnapshot.sizePercentAtStart,\n pixelRemain: 0,\n };\n }\n\n // Area start at zero and need to be reduced, not possible\n if (areaSnapshot.sizePixelAtStart === 0 && pixels < 0) {\n return {\n areaSnapshot,\n pixelAbsorb: 0,\n percentAfterAbsorption: 0,\n pixelRemain: pixels,\n };\n }\n\n if (unit === 'percent') {\n return getAreaAbsorptionCapacityPercent(areaSnapshot, pixels, allAreasSizePixel);\n }\n\n if (unit === 'pixel') {\n return getAreaAbsorptionCapacityPixel(areaSnapshot, pixels, allAreasSizePixel);\n }\n}\n\nexport function getAreaAbsorptionCapacityPercent(\n areaSnapshot: MtxSplitAreaSnapshot,\n pixels: number,\n allAreasSizePixel: number\n): MtxSplitAreaAbsorptionCapacity | void {\n const tempPixelSize = areaSnapshot.sizePixelAtStart + pixels;\n const tempPercentSize = (tempPixelSize / allAreasSizePixel) * 100;\n\n // ENLARGE AREA\n\n if (pixels > 0) {\n // If maxSize & newSize bigger than it > absorb to max and return remaining pixels\n if (areaSnapshot.area.maxSize !== null && tempPercentSize > areaSnapshot.area.maxSize) {\n // Use area.area.maxSize as newPercentSize and return calculate pixels remaining\n const maxSizePixel = (areaSnapshot.area.maxSize / 100) * allAreasSizePixel;\n return {\n areaSnapshot,\n pixelAbsorb: maxSizePixel,\n percentAfterAbsorption: areaSnapshot.area.maxSize,\n pixelRemain: areaSnapshot.sizePixelAtStart + pixels - maxSizePixel,\n };\n }\n return {\n areaSnapshot,\n pixelAbsorb: pixels,\n percentAfterAbsorption: tempPercentSize > 100 ? 100 : tempPercentSize,\n pixelRemain: 0,\n };\n }\n\n // REDUCE AREA\n else if (pixels < 0) {\n // If minSize & newSize smaller than it > absorb to min and return remaining pixels\n if (areaSnapshot.area.minSize !== null && tempPercentSize < areaSnapshot.area.minSize) {\n // Use area.area.minSize as newPercentSize and return calculate pixels remaining\n const minSizePixel = (areaSnapshot.area.minSize / 100) * allAreasSizePixel;\n return {\n areaSnapshot,\n pixelAbsorb: minSizePixel,\n percentAfterAbsorption: areaSnapshot.area.minSize,\n pixelRemain: areaSnapshot.sizePixelAtStart + pixels - minSizePixel,\n };\n }\n // If reduced under zero > return remaining pixels\n else if (tempPercentSize < 0) {\n // Use 0 as newPercentSize and return calculate pixels remaining\n return {\n areaSnapshot,\n pixelAbsorb: -areaSnapshot.sizePixelAtStart,\n percentAfterAbsorption: 0,\n pixelRemain: pixels + areaSnapshot.sizePixelAtStart,\n };\n }\n return {\n areaSnapshot,\n pixelAbsorb: pixels,\n percentAfterAbsorption: tempPercentSize,\n pixelRemain: 0,\n };\n }\n}\n\nexport function getAreaAbsorptionCapacityPixel(\n areaSnapshot: MtxSplitAreaSnapshot,\n pixels: number,\n containerSizePixel: number\n): MtxSplitAreaAbsorptionCapacity | void {\n const tempPixelSize = areaSnapshot.sizePixelAtStart + pixels;\n\n // ENLARGE AREA\n\n if (pixels > 0) {\n // If maxSize & newSize bigger than it > absorb to max and return remaining pixels\n if (areaSnapshot.area.maxSize !== null && tempPixelSize > areaSnapshot.area.maxSize) {\n return {\n areaSnapshot,\n pixelAbsorb: areaSnapshot.area.maxSize - areaSnapshot.sizePixelAtStart,\n percentAfterAbsorption: -1,\n pixelRemain: tempPixelSize - areaSnapshot.area.maxSize,\n };\n }\n return {\n areaSnapshot,\n pixelAbsorb: pixels,\n percentAfterAbsorption: -1,\n pixelRemain: 0,\n };\n }\n\n // REDUCE AREA\n else if (pixels < 0) {\n // If minSize & newSize smaller than it > absorb to min and return remaining pixels\n if (areaSnapshot.area.minSize !== null && tempPixelSize < areaSnapshot.area.minSize) {\n return {\n areaSnapshot,\n pixelAbsorb: areaSnapshot.area.minSize + pixels - tempPixelSize,\n percentAfterAbsorption: -1,\n pixelRemain: tempPixelSize - areaSnapshot.area.minSize,\n };\n }\n // If reduced under zero > return remaining pixels\n else if (tempPixelSize < 0) {\n return {\n areaSnapshot,\n pixelAbsorb: -areaSnapshot.sizePixelAtStart,\n percentAfterAbsorption: -1,\n pixelRemain: pixels + areaSnapshot.sizePixelAtStart,\n };\n }\n return {\n areaSnapshot,\n pixelAbsorb: pixels,\n percentAfterAbsorption: -1,\n pixelRemain: 0,\n };\n }\n}\n\nexport function updateAreaSize(unit: 'percent' | 'pixel', item: MtxSplitAreaAbsorptionCapacity) {\n if (unit === 'percent') {\n item.areaSnapshot.area.size = item.percentAfterAbsorption;\n } else if (unit === 'pixel') {\n // Update size except for the wildcard size area\n if (item.areaSnapshot.area.size !== null) {\n item.areaSnapshot.area.size = item.areaSnapshot.sizePixelAtStart + item.pixelAbsorb;\n }\n }\n}\n","import {\n AfterViewInit,\n ChangeDetectionStrategy,\n ChangeDetectorRef,\n Component,\n ElementRef,\n EventEmitter,\n InjectionToken,\n Input,\n NgZone,\n OnDestroy,\n Output,\n QueryList,\n Renderer2,\n ViewChildren,\n ViewEncapsulation,\n booleanAttribute,\n inject,\n} from '@angular/core';\nimport { ThemePalette } from '@angular/material/core';\nimport { Observable, Subject, Subscriber } from 'rxjs';\nimport { debounceTime } from 'rxjs/operators';\n\nimport {\n MtxSplitArea,\n MtxSplitAreaSnapshot,\n MtxSplitDefaultOptions,\n MtxSplitOutputAreaSizes,\n MtxSplitOutputData,\n MtxSplitPoint,\n MtxSplitSnapshot,\n} from './interfaces';\nimport { MtxSplitPane } from './split-pane';\nimport {\n getAreaMaxSize,\n getAreaMinSize,\n getElementPixelSize,\n getGutterSideAbsorptionCapacity,\n getInputPositiveNumber,\n getPointFromEvent,\n isUserSizesValid,\n updateAreaSize,\n} from './utils';\n\n/** Injection token that can be used to specify default split options. */\nexport const MTX_SPLIT_DEFAULT_OPTIONS = new InjectionToken<MtxSplitDefaultOptions>(\n 'mtx-split-default-options'\n);\n\n/**\n * mtx-split\n *\n *\n * PERCENT MODE ([unit]=\"'percent'\")\n * ___________________________________________________________________________________________\n * | A [g1] B [g2] C [g3] D [g4] E |\n * |-------------------------------------------------------------------------------------------|\n * | 20 30 20 15 15 | <-- [size]=\"x\"\n * | 10px 10px 10px 10px | <-- [gutterSize]=\"10\"\n * |calc(20% - 8px) calc(30% - 12px) calc(20% - 8px) calc(15% - 6px) calc(15% - 6px)| <-- CSS flex-basis property (with flex-grow&shrink at 0)\n * | 152px 228px 152px 114px 114px | <-- el.getBoundingClientRect().width\n * |___________________________________________________________________________________________|\n * 800px <-- el.getBoundingClientRect().width\n * flex-basis = calc( { area.size }% - { area.size/100 * nbGutter*gutterSize }px );\n *\n *\n * PIXEL MODE ([unit]=\"'pixel'\")\n * ___________________________________________________________________________________________\n * | A [g1] B [g2] C [g3] D [g4] E |\n * |-------------------------------------------------------------------------------------------|\n * | 100 250 * 150 100 | <-- [size]=\"y\"\n * | 10px 10px 10px 10px | <-- [gutterSize]=\"10\"\n * | 0 0 100px 0 0 250px 1 1 auto 0 0 150px 0 0 100px | <-- CSS flex property (flex-grow/flex-shrink/flex-basis)\n * | 100px 250px 200px 150px 100px | <-- el.getBoundingClientRect().width\n * |___________________________________________________________________________________________|\n * 800px <-- el.getBoundingClientRect().width\n *\n */\n\n@Component({\n selector: 'mtx-split',\n exportAs: 'mtxSplit',\n host: {\n class: 'mtx-split',\n },\n encapsulation: ViewEncapsulation.None,\n changeDetection: ChangeDetectionStrategy.OnPush,\n styleUrl: './split.scss',\n templateUrl: './split.html',\n})\nexport class MtxSplit implements AfterViewInit, OnDestroy {\n private ngZone = inject(NgZone);\n private elRef = inject(ElementRef);\n private cdRef = inject(ChangeDetectorRef);\n private renderer = inject(Renderer2);\n protected _defaultOptions = inject<MtxSplitDefaultOptions>(MTX_SPLIT_DEFAULT_OPTIONS, {\n optional: true,\n });\n\n @Input() color: ThemePalette;\n\n /** The split direction. */\n @Input()\n get direction() {\n return this._direction;\n }\n set direction(v: 'horizontal' | 'vertical') {\n this._direction = v === 'vertical' ? 'vertical' : 'horizontal';\n\n this.renderer.addClass(this.elRef.nativeElement, `mtx-split-${this._direction}`);\n this.renderer.removeClass(\n this.elRef.nativeElement,\n `mtx-split-${this._direction === 'vertical' ? 'horizontal' : 'vertical'}`\n );\n\n this.build(false, false);\n }\n private _direction: 'horizontal' | 'vertical' = 'horizontal';\n\n /** The unit you want to specify area sizes. */\n @Input()\n get unit() {\n return this._unit;\n }\n set unit(v: 'percent' | 'pixel') {\n this._unit = v === 'pixel' ? 'pixel' : 'percent';\n\n this.renderer.addClass(this.elRef.nativeElement, `mtx-split-${this._unit}`);\n this.renderer.removeClass(\n this.elRef.nativeElement,\n `mtx-split-${this._unit === 'pixel' ? 'percent' : 'pixel'}`\n );\n\n this.build(false, true);\n }\n private _unit: 'percent' | 'pixel' = 'percent';\n\n /** Gutters's size (dragging elements) in pixels. */\n @Input()\n get gutterSize() {\n return this._gutterSize;\n }\n set gutterSize(v: number) {\n this._gutterSize = getInputPositiveNumber(v, 4);\n\n this.build(false, false);\n }\n private _gutterSize = 4;\n\n /** Gutter step while moving in pixels. */\n @Input()\n get gutterStep() {\n return this._gutterStep;\n }\n set gutterStep(v: number) {\n this._gutterStep = getInputPositiveNumber(v, 1);\n }\n private _gutterStep = 1;\n\n /** Set to true if you want to limit gutter move to adjacent areas only. */\n @Input({ transform: booleanAttribute }) restrictMove = false;\n\n /** Add transition when toggling visibility using `visible` or `size` changes. */\n @Input({ transform: booleanAttribute })\n get useTransition() {\n return this._useTransition;\n }\n set useTransition(v: boolean) {\n this._useTransition = v;\n\n if (this._useTransition) {\n this.renderer.addClass(this.elRef.nativeElement, 'mtx-split-transition');\n } else {\n this.renderer.removeClass(this.elRef.nativeElement, 'mtx-split-transition');\n }\n }\n private _useTransition = false;\n\n /**\n * Disable the dragging feature (remove cursor/image on gutters).\n * `gutterClick`/`gutterDblClick` still emits.\n */\n @Input({ transform: booleanAttribute })\n get disabled() {\n return this._disabled;\n }\n set disabled(v: boolean) {\n this._disabled = v;\n\n if (this._disabled) {\n this.renderer.addClass(this.elRef.nativeElement, 'mtx-split-disabled');\n } else {\n this.renderer.removeClass(this.elRef.nativeElement, 'mtx-split-disabled');\n }\n }\n private _disabled = false;\n\n /** Indicates the directionality of the areas. */\n @Input()\n get dir() {\n return this._dir;\n }\n set dir(v: 'ltr' | 'rtl') {\n this._dir = v === 'rtl' ? 'rtl' : 'ltr';\n\n this.renderer.setAttribute(this.elRef.nativeElement, 'dir', this._dir);\n }\n private _dir: 'ltr' | 'rtl' = 'ltr';\n\n /**\n * Milliseconds to detect a double click on a gutter. Set it around 300-500ms if\n * you want to use `gutterDblClick` event.\n */\n @Input()\n get gutterDblClickDuration() {\n return this._gutterDblClickDuration;\n }\n set gutterDblClickDuration(v: number) {\n this._gutterDblClickDuration = getInputPositiveNumber(v, 0);\n }\n private _gutterDblClickDuration = 0;\n\n /** Event emitted when drag starts. */\n @Output() dragStart = new EventEmitter<MtxSplitOutputData>(false);\n /** Event emitted when drag ends. */\n @Output() dragEnd = new EventEmitter<MtxSplitOutputData>(false);\n /** Event emitted when user clicks on a gutter. */\n @Output() gutterClick = new EventEmitter<MtxSplitOutputData>(false);\n /** Event emitted when user double clicks on a gutter. */\n @Output() gutterDblClick = new EventEmitter<MtxSplitOutputData>(false);\n /**\n * Event emitted when transition ends (could be triggered from `visible` or `size` changes).\n * Only if `useTransition` equals true.\n */\n @Output()\n get transitionEnd(): Observable<MtxSplitOutputAreaSizes> {\n return new Observable(subscriber => (this.transitionEndSubscriber = subscriber)).pipe(\n debounceTime<any>(20)\n );\n }\n private transitionEndSubscriber!: Subscriber<MtxSplitOutputAreaSizes>;\n\n private dragProgressSubject = new Subject<MtxSplitOutputData>();\n dragProgress$: Observable<MtxSplitOutputData> = this.dragProgressSubject.asObservable();\n\n private isDragging = false;\n private dragListeners: (() => void)[] = [];\n private snapshot: MtxSplitSnapshot | null = null;\n private startPoint: MtxSplitPoint | null = null;\n private endPoint: MtxSplitPoint | null = null;\n\n public readonly displayedAreas: MtxSplitArea[] = [];\n private readonly hidedAreas: MtxSplitArea[] = [];\n\n @ViewChildren('gutterEls') private gutterEls!: QueryList<ElementRef>;\n\n constructor() {\n const _defaultOptions = this._defaultOptions;\n\n if (_defaultOptions) {\n this.color = _defaultOptions.color ?? 'primary';\n this.direction = _defaultOptions.direction ?? 'horizontal';\n this.dir = _defaultOptions.dir ?? 'ltr';\n this.unit = _defaultOptions.unit ?? 'percent';\n this.gutterDblClickDuration = _defaultOptions.gutterDblClickDuration ?? 0;\n this.gutterSize = _defaultOptions.gutterSize ?? 4;\n this.gutterStep = _defaultOptions.gutterStep ?? 1;\n this.restrictMove = _defaultOptions.restrictMove ?? false;\n this.useTransition = _defaultOptions.useTransition ?? false;\n }\n }\n\n ngAfterViewInit() {\n this.ngZone.runOutsideAngular(() => {\n // To avoid transition at first rendering\n setTimeout(() => this.renderer.addClass(this.elRef.nativeElement, 'mtx-split-init'));\n });\n }\n\n private getNbGutters(): number {\n return this.displayedAreas.length === 0 ? 0 : this.displayedAreas.length - 1;\n }\n\n addArea(component: MtxSplitPane): void {\n const newArea: MtxSplitArea = {\n component,\n order: 0,\n size: 0,\n minSize: null,\n maxSize: null,\n };\n\n if (component.visible === true) {\n this.displayedAreas.push(newArea);\n\n this.build(true, true);\n } else {\n this.hidedAreas.push(newArea);\n }\n }\n\n removeArea(component: MtxSplitPane): void {\n if (this.displayedAreas.some(a => a.component === component)) {\n const area = this.displayedAreas.find(a => a.component === component) as MtxSplitArea;\n this.displayedAreas.splice(this.displayedAreas.indexOf(area), 1);\n\n this.build(true, true);\n } else if (this.hidedAreas.some(a => a.component === component)) {\n const area = this.hidedAreas.find(a => a.component === component) as MtxSplitArea;\n this.hidedAreas.splice(this.hidedAreas.indexOf(area), 1);\n }\n }\n\n updateArea(component: MtxSplitPane, resetOrders: boolean, resetSizes: boolean): void {\n if (component.visible === true) {\n this.build(resetOrders, resetSizes);\n }\n }\n\n showArea(component: MtxSplitPane): void {\n const area = this.hidedAreas.find(a => a.component === component);\n if (area === undefined) {\n return;\n }\n\n const areas = this.hidedAreas.splice(this.hidedAreas.indexOf(area), 1);\n this.displayedAreas.push(...areas);\n\n this.build(true, true);\n }\n\n hideArea(comp: MtxSplitPane): void {\n const area = this.displayedAreas.find(a => a.component === comp);\n if (area === undefined) {\n return;\n }\n\n const areas = this.displayedAreas.splice(this.displayedAreas.indexOf(area), 1);\n areas.forEach(_area => {\n _area.order = 0;\n _area.size = 0;\n });\n this.hidedAreas.push(...areas);\n\n this.build(true, true);\n }\n\n getVisibleAreaSizes(): MtxSplitOutputAreaSizes {\n return this.displayedAreas.map(a => (a.size === null ? '*' : a.size));\n }\n\n setVisibleAreaSizes(sizes: MtxSplitOutputAreaSizes): boolean {\n if (sizes.length !== this.displayedAreas.length) {\n return false;\n }\n\n const formatedSizes = sizes.map(s => getInputPositiveNumber(s, null)) as number[];\n const isValid = isUserSizesValid(this.unit, formatedSizes);\n\n if (isValid === false) {\n return false;\n }\n\n this.displayedAreas.forEach((area, i) => (area.component.size = formatedSizes[i]));\n\n this.build(false, true);\n return true;\n }\n\n private build(resetOrders: boolean, resetSizes: boolean): void {\n this.stopDragging();\n\n // ¤ AREAS ORDER\n\n if (resetOrders === true) {\n // If user provided 'order' for each area, use it to sort them.\n if (this.displayedAreas.every(a => a.component.order !== null)) {\n this.displayedAreas.sort(\n (a, b) => (a.component.order as number) - (b.component.order as number)\n );\n }\n\n // Then set real order with multiples of 2, numbers between will be used by gutters.\n this.displayedAreas.forEach((area, i) => {\n area.order = i * 2;\n area.component.setStyleOrder(area.order);\n });\n }\n\n // ¤ AREAS SIZE\n\n if (resetSizes === true) {\n const useUserSizes = isUserSizesValid(\n this.unit,\n this.displayedAreas.map(a => a.component.size) as number[]\n );\n\n switch (this.unit) {\n case 'percent': {\n const defaultSize = 100 / this.displayedAreas.length;\n\n this.displayedAreas.forEach(area => {\n area.size = useUserSizes ? (area.component.size as number) : defaultSize;\n area.minSize = getAreaMinSize(area);\n area.maxSize = getAreaMaxSize(area);\n });\n break;\n }\n case 'pixel': {\n if (useUserSizes) {\n this.displayedAreas.forEach(area => {\n area.size = area.component.size;\n area.minSize = getAreaMinSize(area);\n area.maxSize = getAreaMaxSize(area);\n });\n } else {\n const wildcardSizeAreas = this.displayedAreas.filter(a => a.component.size === null);\n\n // No wildcard area > Need to select one arbitrarily > first\n if (wildcardSizeAreas.length === 0 && this.displayedAreas.length > 0) {\n this.displayedAreas.forEach((area, i) => {\n area.size = i === 0 ? null : area.component.size;\n area.minSize = i === 0 ? null : getAreaMinSize(area);\n area.maxSize = i === 0 ? null : getAreaMaxSize(area);\n });\n }\n // More than one wildcard area > Need to keep only one arbitrarly > first\n else if (wildcardSizeAreas.length > 1) {\n let alreadyGotOne = false;\n this.displayedAreas.forEach(area => {\n if (area.component.size === null) {\n if (alreadyGotOne === false) {\n area.size = null;\n area.minSize = null;\n area.maxSize = null;\n alreadyGotOne = true;\n } else {\n area.size = 100;\n area.minSize = null;\n area.maxSize = null;\n }\n } else {\n area.size = area.component.size;\n area.minSize = getAreaMinSize(area);\n area.maxSize = getAreaMaxSize(area);\n }\n });\n }\n }\n break;\n }\n }\n }\n\n this.refreshStyleSizes();\n this.cdRef.markForCheck();\n }\n\n private refreshStyleSizes(): void {\n ///////////////////////////////////////////\n // PERCENT MODE\n if (this.unit === 'percent') {\n // Only one area > flex-basis 100%\n if (this.displayedAreas.length === 1) {\n this.displayedAreas[0].component.setStyleFlex(0, 0, `100%`, false, false);\n }\n // Multiple areas > use each percent basis\n else {\n const sumGutterSize = this.getNbGutters() * this.gutterSize;\n\n this.displayedAreas.forEach(area => {\n area.component.setStyleFlex(\n 0,\n 0,\n `calc( ${area.size}% - ${((area.size as number) / 100) * sumGutterSize}px )`,\n area.minSize !== null && area.minSize === area.size ? true : false,\n area.maxSize !== null && area.maxSize === area.size ? true : false\n );\n });\n }\n }\n ///////////////////////////////////////////\n // PIXEL MODE\n else if (this.unit === 'pixel') {\n this.displayedAreas.forEach(area => {\n // Area with wildcard size\n if (area.size === null) {\n if (this.displayedAreas.length === 1) {\n area.component.setStyleFlex(1, 1, `100%`, false, false);\n } else {\n area.component.setStyleFlex(1, 1, `auto`, false, false);\n }\n }\n // Area with pixel size\n else {\n // Only one area > flex-basis 100%\n if (this.displayedAreas.length === 1) {\n area.component.setStyleFlex(0, 0, `100%`, false, false);\n }\n // Multiple areas > use each pixel basis\n else {\n area.component.setStyleFlex(\n 0,\n 0,\n `${area.size}px`,\n area.minSize !== null && area.minSize === area.size ? true : false,\n area.maxSize !== null && area.maxSize === area.size ? true : false\n );\n }\n }\n });\n }\n }\n\n _clickTimeout: number | null = null;\n\n clickGutter(event: MouseEvent | TouchEvent, gutterNum: number): void {\n const tempPoint = getPointFromEvent(event) as MtxSplitPoint;\n\n // Be sure mouseup/touchend happened at same point as mousedown/touchstart to trigger click/dblclick\n if (this.startPoint && this.startPoint.x === tempPoint.x && this.startPoint.y === tempPoint.y) {\n // If timeout in progress and new click > clearTimeout & dblClickEvent\n if (this._clickTimeout !== null) {\n window.clearTimeout(this._clickTimeout);\n this._clickTimeout = null;\n this.notify('dblclick', gutterNum);\n this.stopDragging();\n }\n // Else start timeout to call clickEvent at end\n else {\n this._clickTimeout = window.setTimeout(() => {\n this._clickTimeout = null;\n this.notify('click', gutterNum);\n this.stopDragging();\n }, this.gutterDblClickDuration);\n }\n }\n }\n\n startDragging(event: MouseEvent | TouchEvent, gutterOrder: number, gutterNum: number): void {\n event.preventDefault();\n event.stopPropagation();\n\n this.startPoint = getPointFromEvent(event);\n if (this.startPoint === null || this.disabled === true) {\n return;\n }\n\n this.snapshot = {\n gutterNum,\n lastSteppedOffset: 0,\n allAreasSizePixel:\n getElementPixelSize(this.elRef, this.direction) - this.getNbGutters() * this.gutterSize,\n allInvolvedAreasSizePercent: 100,\n areasBeforeGutter: [],\n areasAfterGutter: [],\n };\n\n this.displayedAreas.forEach(area => {\n const areaSnapshot: MtxSplitAreaSnapshot = {\n area,\n sizePixelAtStart: getElementPixelSize(area.component.elRef, this.direction),\n sizePercentAtStart: (this.unit === 'percent' ? area.size : -1) as number, // If pixel mode, anyway, will not be used.\n };\n\n if (area.order < gutterOrder) {\n if (this.restrictMove === true) {\n (this.snapshot as MtxSplitSnapshot).areasBeforeGutter = [areaSnapshot];\n } else {\n (this.snapshot as MtxSplitSnapshot).areasBeforeGutter.unshift(areaSnapshot);\n }\n } else if (area.order > gutterOrder) {\n if (this.restrictMove === true) {\n if ((this.snapshot as MtxSplitSnapshot).areasAfterGutter.length === 0) {\n (this.snapshot as MtxSplitSnapshot).areasAfterGutter = [areaSnapshot];\n }\n } else {\n (this.snapshot as MtxSplitSnapshot).areasAfterGutter.push(areaSnapshot);\n }\n }\n });\n\n this.snapshot.allInvolvedAreasSizePercent = [\n ...this.snapshot.areasBeforeGutter,\n ...this.snapshot.areasAfterGutter,\n ].reduce((t, a) => t + a.sizePercentAtStart, 0);\n\n if (\n this.snapshot.areasBeforeGutter.length === 0 ||\n this.snapshot.areasAfterGutter.length === 0\n ) {\n return;\n }\n\n this.dragListeners.push(\n this.renderer.listen('document', 'mouseup', this.stopDragging.bind(this))\n );\n this.dragListeners.push(\n this.renderer.listen('document', 'touchend', this.stopDragging.bind(this))\n );\n this.dragListeners.push(\n this.renderer.listen('document', 'touchcancel', this.stopDragging.bind(this))\n );\n\n this.ngZone.runOutsideAngular(() => {\n this.dragListeners.push(\n this.renderer.listen('document', 'mousemove', this.dragEvent.bind(this))\n );\n this.dragListeners.push(\n this.renderer.listen('document', 'touchmove', this.dragEvent.bind(this))\n );\n });\n\n this.displayedAreas.forEach(area => area.component.lockEvents());\n\n this.isDragging = true;\n this.renderer.addClass(this.elRef.nativeElement, 'mtx-dragging');\n this.renderer.addClass(\n this.gutterEls.toArray()[this.snapshot.gutterNum - 1].nativeElement,\n 'mtx-dragged'\n );\n\n this.notify('start', this.snapshot.gutterNum);\n }\n\n private dragEvent(event: MouseEvent | TouchEvent): void {\n event.preventDefault();\n event.stopPropagation();\n\n if (this._clickTimeout !== null) {\n window.clearTimeout(this._clickTimeout);\n this._clickTimeout = null;\n }\n\n if (this.isDragging === false) {\n return;\n }\n\n this.endPoint = getPointFromEvent(event);\n if (this.endPoint === null) {\n return;\n }\n\n // Calculate steppedOffset\n\n let offset =\n this.direction === 'horizontal'\n ? (this.startPoint as MtxSplitPoint).x - this.endPoint.x\n : (this.startPoint as MtxSplitPoint).y - this.endPoint.y;\n if (this.dir === 'rtl' && this.direction === 'horizontal') {\n offset = -offset;\n }\n const steppedOffset = Math.round(offset / this.gutterStep) * this.gutterStep;\n\n if (steppedOffset === (this.snapshot as MtxSplitSnapshot).lastSteppedOffset) {\n return;\n }\n\n (this.snapshot as MtxSplitSnapshot).lastSteppedOffset = steppedOffset;\n\n // Need to know if each gutter side areas could reacts to steppedOffset\n\n let areasBefore = getGutterSideAbsorptionCapacity(\n this.unit,\n (this.snapshot as MtxSplitSnapshot).areasBeforeGutter,\n -steppedOffset,\n (this.snapshot as MtxSplitSnapshot).allAreasSizePixel\n );\n let areasAfter = getGutterSideAbsorptionCapacity(\n this.unit,\n (this.snapshot as MtxSplitSnapshot).areasAfterGutter,\n steppedOffset,\n (this.snapshot as MtxSplitSnapshot).allAreasSizePixel\n );\n\n // Each gutter side areas can't absorb all offset\n if (areasBefore.remain !== 0 && areasAfter.remain !== 0) {\n if (Math.abs(areasBefore.remain) === Math.abs(areasAfter.remain)) {\n /** */\n } else if (Math.abs(areasBefore.remain) > Math.abs(areasAfter.remain)) {\n areasAfter = getGutterSideAbsorptionCapacity(\n this.unit,\n (this.snapshot as MtxSplitSnapshot).areasAfterGutter,\n steppedOffset + areasBefore.remain,\n (this.snapshot as MtxSplitSnapshot).allAreasSizePixel\n );\n } else {\n areasBefore = getGutterSideAbsorptionCapacity(\n this.unit,\n (this.snapshot as MtxSplitSnapshot).areasBeforeGutter,\n -(steppedOffset - areasAfter.remain),\n (this.snapshot as MtxSplitSnapshot).allAreasSizePixel\n );\n }\n }\n // Areas before gutter can't absorbs all offset > need to recalculate sizes for areas after gutter.\n else if (areasBefore.remain !== 0) {\n areasAfter = getGutterSideAbsorptionCapacity(\n this.unit,\n (this.snapshot as MtxSplitSnapshot).areasAfterGutter,\n steppedOffset + areasBefore.remain,\n (this.snapshot as MtxSplitSnapshot).allAreasSizePixel\n );\n }\n // Areas after gutter can't absorbs all offset > need to recalculate sizes for areas before gutter.\n else if (areasAfter.remain !== 0) {\n areasBefore = getGutterSideAbsorptionCapacity(\n this.unit,\n (this.snapshot as MtxSplitSnapshot).areasBeforeGutter,\n -(steppedOffset - areasAfter.remain),\n (this.snapshot as MtxSplitSnapshot).allAreasSizePixel\n );\n }\n\n if (this.unit === 'percent') {\n // Hack because of browser messing up with sizes using calc(X% - Ypx) -> el.getBoundingClientRect()\n // If not there, playing with gutters makes total going down to 99.99875% then 99.99286%, 99.98986%,..\n const all = [...areasBefore.list, ...areasAfter.list];\n const areaToReset = all.find(\n a =>\n a.percentAfterAbsorption !== 0 &&\n a.percentAfterAbsorption !== a.areaSnapshot.area.minSize &&\n a.percentAfterAbsorption !== a.areaSnapshot.area.maxSize\n );\n\n if (areaToReset) {\n areaToReset.percentAfterAbsorption =\n (this.snapshot as MtxSplitSnapshot).allInvolvedAreasSizePercent -\n all\n .filter(a => a !== areaToReset)\n .reduce((total, a) => total + a.percentAfterAbsorption, 0);\n }\n }\n\n // Now we know areas could absorb steppedOffset, time to really update sizes\n\n areasBefore.list.forEach(item => updateAreaSize(this.unit, item));\n areasAfter.list.forEach(item => updateAreaSize(this.unit, item));\n\n this.refreshStyleSizes();\n this.notify('progress', (this.snapshot as MtxSplitSnapshot).gutterNum);\n }\n\n private stopDragging(event?: Event): void {\n if (event) {\n event.preventDefault();\n event.stopPropagation();\n }\n\n if (this.isDragging === false) {\n return;\n }\n\n this.displayedAreas.forEach(area => area.component.unlockEvents());\n\n while (this.dragListeners.length > 0) {\n const fct = this.dragListeners.pop();\n if (fct) {\n fct();\n }\n }\n\n // Warning: Have to be before \"notify('end')\"\n // because \"notify('end')\"\" can be linked to \"[size]='x'\" > \"build()\" > \"stopDragging()\"\n this.isDragging = false;\n\n // If moved from starting point, notify end\n if (\n this.endPoint &&\n ((this.startPoint as MtxSplitPoint).x !== this.endPoint.x ||\n (this.startPoint as MtxSplitPoint).y !== this.endPoint.y)\n ) {\n this.notify('end', (this.snapshot as MtxSplitSnapshot).gutterNum);\n }\n\n this.renderer.removeClass(this.elRef.nativeElement, 'mtx-dragging');\n this.renderer.removeClass(\n this.gutterEls.toArray()[(this.snapshot as MtxSplitSnapshot).gutterNum - 1].nativeElement,\n 'mtx-dragged'\n );\n this.snapshot = null;\n\n // Needed to let (click)=\"clickGutter(...)\" event run and verify if mouse moved or not\n this.ngZone.runOutsideAngular(() => {\n setTimeout(() => {\n this.startPoint = null;\n this.endPoint = null;\n });\n });\n }\n\n notify(\n type: 'start' | 'progress' | 'end' | 'click' | 'dblclick' | 'transitionEnd',\n gutterNum: number\n ): void {\n const sizes = this.getVisibleAreaSizes();\n\n if (type === 'start') {\n this.dragStart.emit({ gutterNum, sizes });\n } else if (type === 'end') {\n this.dragEnd.emit({ gutterNum, sizes });\n } else if (type === 'click') {\n this.gutterClick.emit({ gutterNum, sizes });\n } else if (type === 'dblclick') {\n this.gutterDblClick.emit({ gutterNum, sizes });\n } else if (type === 'transitionEnd') {\n if (this.transitionEndSubscriber) {\n this.ngZone.run(() => this.transitionEndSubscriber.next(sizes));\n }\n } else if (type === 'progress') {\n // Stay outside zone to allow users do what they want about change detection mechanism.\n this.dragProgressSubject.next({ gutterNum, sizes });\n }\n }\n\n ngOnDestroy(): void {\n this.stopDragging();\n }\n}\n","<ng-content></ng-content>\r\n@for (area of displayedAreas; track area; let index = $index; let last = $last) {\r\n @if (!last) {\r\n <div\r\n #gutterEls\r\n class=\"mtx-split-gutter\"\r\n [class]=\"color ? 'mat-' + color : ''\"\r\n [style.flex-basis.px]=\"gutterSize\"\r\n [style.order]=\"index * 2 + 1\"\r\n (mousedown)=\"startDragging($event, index * 2 + 1, index + 1)\"\r\n (touchstart)=\"startDragging($event, index * 2 + 1, index + 1)\"\r\n (mouseup)=\"clickGutter($event, index + 1)\"\r\n (touchend)=\"clickGutter($event, index + 1)\"\r\n >\r\n <div class=\"mtx-split-gutter-handle\"></div>\r\n </div>\r\n }\r\n}\r\n","import {\n Directive,\n ElementRef,\n Input,\n NgZone,\n OnDestroy,\n OnInit,\n Renderer2,\n booleanAttribute,\n inject,\n} from '@angular/core';\n\nimport { MtxSplit } from './split';\nimport { getInputPositiveNumber } from './utils';\n\n@Directive({\n selector: 'mtx-split-pane, [mtx-split-pane]',\n exportAs: 'mtxSplitPane',\n})\nexport class MtxSplitPane implements OnInit, OnDestroy {\n private ngZone = inject(NgZone);\n private renderer = inject(Renderer2);\n private split = inject(MtxSplit);\n\n elRef = inject(ElementRef);\n\n /**\n * Order of the area. Used to maintain the order of areas when toggling their visibility.\n * Toggling area visibility without specifying an `order` leads to weird behavior.\n */\n @Input()\n get order() {\n return this._order;\n }\n set order(v: number | null) {\n this._order = getInputPositiveNumber(v, null);\n\n this.split.updateArea(this, true, false);\n }\n private _order: number | null = null;\n\n /**\n * Size of the area in selected unit (percent/pixel).\n * - Percent: All areas sizes should equal to `100`, If not, all areas will have the same size.\n * - Pixel: An area with wildcard size (`size=\"*\"`) is mandatory (only one) and\n * can't have `visible=\"false\"` or `minSize`/`maxSize`/`lockSize` properties.\n */\n @Input()\n get size() {\n return this._size;\n }\n set size(v: number | null) {\n this._size = getInputPositiveNumber(v, null);\n\n this.split.updateArea(this, false, true);\n }\n private _size: number | null = null;\n\n /** Minimum pixel or percent size, should be equal to or smaller than provided `size`. */\n @Input()\n get minSize() {\n return this._minSize;\n }\n set minSize(v: number | null) {\n this._minSize = getInputPositiveNumber(v, null);\n\n this.split.updateArea(this, false, true);\n }\n private _minSize: number | null = null;\n\n /** Maximum pixel or percent size, should be equal to or larger than provided `size`. */\n @Input()\n get maxSize() {\n return this._maxSize;\n }\n set maxSize(v: number | null) {\n this._maxSize = getInputPositiveNumber(v, null);\n\n this.split.updateArea(this, false, true);\n }\n private _maxSize: number | null = null;\n\n /** Lock area size, same as `minSize`=`maxSize`=`size`. */\n @Input({ transform: booleanAttribute })\n get lockSize() {\n return this._lockSize;\n }\n set lockSize(v: boolean) {\n this._lockSize = v;\n\n this.split.updateArea(this, false, true);\n }\n private _lockSize = false;\n\n /** Hide area visually but still present in the DOM, use `ngIf` to completely remove it. */\n @Input({ transform: booleanAttribute })\n get visible() {\n return this._visible;\n }\n set visible(v: boolean) {\n this._visible = v;\n\n if (this._visible) {\n this.split.showArea(this);\n this.renderer.removeClass(this.elRef.nativeElement, 'mtx-split-pane-hidden');\n } else {\n this.split.hideArea(this);\n this.renderer.addClass(this.elRef.nativeElement, 'mtx-split-pane-hidden');\n }\n }\n private _visible = true;\n\n private transitionListener!: () => void;\n private readonly lockListeners: (() => void)[] = [];\n\n constructor() {\n this.renderer.addClass(this.elRef.nativeElement, 'mtx-split-pane');\n }\n\n ngOnInit(): void {\n this.split.addArea(this);\n\n this.ngZone.runOutsideAngular(() => {\n this.transitionListener = this.renderer.listen(\n this.elRef.nativeElement,\n 'transitionend',\n (event: TransitionEvent) => {\n // Limit only flex-basis transition to trigger the event\n if (event.propertyName === 'flex-basis') {\n this.split.notify('transitionEnd', -1);\n }\n }\n );\n });\n }\n\n setStyleOrder(value: number): void {\n this.renderer.setStyle(this.elRef.nativeElement, 'order', value);\n }\n\n setStyleFlex(grow: number, shrink: number, basis: string, isMin: boolean, isMax: boolean): void {\n // Need 3 separated properties to work on IE11 (https://github.com/angular/flex-layout/issues/323)\n this.renderer.setStyle(this.elRef.nativeElement, 'flex-grow', grow);\n this.renderer.setStyle(this.elRef.nativeElement, 'flex-shrink', shrink);\n this.renderer.setStyle(this.elRef.nativeElement, 'flex-basis', basis);\n\n if (isMin === true) {\n this.renderer.addClass(this.elRef.nativeElement, 'mtx-min');\n } else {\n this.renderer.removeClass(this.elRef.nativeElement, 'mtx-min');\n }\n\n if (isMax === true) {\n this.renderer.addClass(this.elRef.nativeElement, 'mtx-max');\n } else {\n this.renderer.removeClass(this.elRef.nativeElement, 'mtx-max');\n }\n }\n\n lockEvents(): void {\n this.ngZone.runOutsideAngular(() => {\n this.lockListeners.push(\n this.renderer.listen(this.elRef.nativeElement, 'selectstart', (e: Event) => false)\n );\n this.lockListeners.push(\n this.renderer.listen(this.elRef.nativeElement, 'dragstart', (e: Event) => false)\n );\n });\n }\n\n unlockEvents(): void {\n while (this.lockListeners.length > 0) {\n const fct = this.lockListeners.pop();\n if (fct) {\n fct();\n }\n }\n }\n\n ngOnDestroy(): void {\n this.unlockEvents();\n\n if (this.transitionListener) {\n this.transitionListener();\n }\n\n this.split.removeArea(this);\n }\n}\n","import { NgModule } from '@angular/core';\nimport { CommonModule } from '@angular/common';\n\nimport { MtxSplit } from './split';\nimport { MtxSplitPane } from './split-pane';\n\n@NgModule({\n imports: [CommonModule, MtxSplit, MtxSplitPane],\n exports: [MtxSplit, MtxSplitPane],\n})\nexport class MtxSplitModule {}\n","/**\n * Generated bundle index. Do not edit.\n */\n\nexport * from 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