ngx-pinch-zoom
Version:
Pinch zoom component for Angular.
255 lines • 33.2 kB
JavaScript
import { Component, ElementRef, HostBinding, Input } from '@angular/core';
import { defaultProperties, backwardCompatibilityProperties } from './properties';
import { IvyPinch } from './ivypinch';
export const _defaultComponentProperties = {
overflow: "hidden",
disableZoomControl: "auto",
backgroundColor: "rgba(0,0,0,0.85)"
};
export class PinchZoomComponent {
constructor(elementRef) {
this.elementRef = elementRef;
this.defaultComponentProperties = this.getDefaultComponentProperties();
this.applyPropertiesDefault(this.defaultComponentProperties, {});
}
set properties(value) {
if (value) {
this._properties = value;
}
}
get properties() {
return this._properties;
}
// transitionDuration
set transitionDurationBackwardCompatibility(value) {
if (value) {
this._transitionDuration = value;
}
}
set transitionDuration(value) {
if (value) {
this._transitionDuration = value;
}
}
get transitionDuration() {
return this._transitionDuration;
}
// doubleTap
set doubleTapBackwardCompatibility(value) {
if (value) {
this._doubleTap = value;
}
}
set doubleTap(value) {
if (value) {
this._doubleTap = value;
}
}
get doubleTap() {
return this._doubleTap;
}
// doubleTapScale
set doubleTapScaleBackwardCompatibility(value) {
if (value) {
this._doubleTapScale = value;
}
}
set doubleTapScale(value) {
if (value) {
this._doubleTapScale = value;
}
}
get doubleTapScale() {
return this._doubleTapScale;
}
// autoZoomOut
set autoZoomOutBackwardCompatibility(value) {
if (value) {
this._autoZoomOut = value;
}
}
set autoZoomOut(value) {
if (value) {
this._autoZoomOut = value;
}
}
get autoZoomOut() {
return this._autoZoomOut;
}
// limitZoom
set limitZoomBackwardCompatibility(value) {
if (value) {
this._limitZoom = value;
}
}
set limitZoom(value) {
if (value) {
this._limitZoom = value;
}
}
get limitZoom() {
return this._limitZoom;
}
get hostOverflow() {
return this.properties['overflow'];
}
get hostBackgroundColor() {
return this.properties['backgroundColor'];
}
get isTouchScreen() {
var prefixes = ' -webkit- -moz- -o- -ms- '.split(' ');
var mq = function (query) {
return window.matchMedia(query).matches;
};
if (('ontouchstart' in window)) {
return true;
}
// include the 'heartz' as a way to have a non matching MQ to help terminate the join
// https://git.io/vznFH
var query = ['(', prefixes.join('touch-enabled),('), 'heartz', ')'].join('');
return mq(query);
}
get isDragging() {
return this.pinchZoom ? this.pinchZoom.isDragging() : undefined;
}
get isDisabled() {
return this.properties['disabled'];
}
get scale() {
return this.pinchZoom.scale;
}
get isZoomedIn() {
return this.scale > 1;
}
get scaleLevel() {
return Math.round(this.scale / this._zoomControlScale);
}
get maxScale() {
return this.pinchZoom.maxScale;
}
get isZoomLimitReached() {
return this.scale >= this.maxScale;
}
get _zoomControlScale() {
return this.getPropertiesValue('zoomControlScale');
}
ngOnInit() {
this.initPinchZoom();
/* Calls the method until the image size is available */
this.detectLimitZoom();
}
ngOnChanges(changes) {
let changedProperties = this.getProperties(changes);
changedProperties = this.renameProperties(changedProperties);
this.applyPropertiesDefault(this.defaultComponentProperties, changedProperties);
}
ngOnDestroy() {
this.destroy();
}
initPinchZoom() {
if (this.properties['disabled']) {
return;
}
this.properties['element'] = this.elementRef.nativeElement.querySelector('.pinch-zoom-content');
this.pinchZoom = new IvyPinch(this.properties);
}
getProperties(changes) {
let properties = {};
for (var prop in changes) {
if (prop !== 'properties') {
properties[prop] = changes[prop].currentValue;
}
if (prop === 'properties') {
properties = changes[prop].currentValue;
}
}
return properties;
}
renameProperties(properties) {
for (var prop in properties) {
if (backwardCompatibilityProperties[prop]) {
properties[backwardCompatibilityProperties[prop]] = properties[prop];
delete properties[prop];
}
}
return properties;
}
applyPropertiesDefault(defaultProperties, properties) {
this.properties = Object.assign({}, defaultProperties, properties);
}
toggleZoom() {
this.pinchZoom.toggleZoom();
}
isControl() {
if (this.isDisabled) {
return false;
}
if (this.properties['disableZoomControl'] === "disable") {
return false;
}
if (this.isTouchScreen && this.properties['disableZoomControl'] === "auto") {
return false;
}
return true;
}
detectLimitZoom() {
if (this.pinchZoom) {
this.pinchZoom.detectLimitZoom();
}
}
destroy() {
this.pinchZoom.destroy();
}
getPropertiesValue(propertyName) {
if (this.properties && this.properties[propertyName]) {
return this.properties[propertyName];
}
else {
return this.defaultComponentProperties[propertyName];
}
}
getDefaultComponentProperties() {
return Object.assign(Object.assign({}, defaultProperties), _defaultComponentProperties);
}
}
PinchZoomComponent.decorators = [
{ type: Component, args: [{
selector: 'pinch-zoom, [pinch-zoom]',
exportAs: 'pinchZoom',
template: "<div class=\"pinch-zoom-content\" [class.pz-dragging]=\"isDragging\">\n\t<ng-content></ng-content>\n</div>\n\n<!-- Control: one button -->\n<div class=\"pz-zoom-button pz-zoom-control-position-bottom\" \n\t[class.pz-zoom-button-out]=\"isZoomedIn\" \n\t*ngIf=\"isControl()\" \n\t(click)=\"toggleZoom()\"></div>",
styles: [":host{display:block;overflow:hidden;position:relative}.pinch-zoom-content{height:inherit}.pz-dragging{cursor:all-scroll}.pz-zoom-button{-webkit-user-select:none;background-color:rgba(0,0,0,.8);background-image:url(data:image/svg+xml;base64,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),url(data:image/svg+xml;base64,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);background-position:50%,-1000px;background-repeat:no-repeat,no-repeat;background-size:40px;border-radius:4px;color:#fff;cursor:pointer;height:56px;opacity:.5;position:absolute;transition:opacity .1s;user-select:none;width:56px;z-index:1000}.pz-zoom-button-out{background-position:-1000px,50%}.pz-zoom-button:hover{opacity:.7}.pz-zoom-button.pz-zoom-control-position-right{margin-top:-28px;right:16px;top:50%}.pz-zoom-button.pz-zoom-control-position-right-bottom{bottom:32px;right:16px}.pz-zoom-button.pz-zoom-control-position-bottom{bottom:16px;left:50%;margin-left:-28px}.pz-zoom-control{background-color:rgba(0,0,0,.8);border-radius:4px;overflow:hidden;position:absolute}.pz-zoom-control.pz-zoom-control-position-right{margin-top:-48px;right:16px;top:50%}.pz-zoom-control.pz-zoom-control-position-right-bottom{bottom:32px;right:16px}.pz-zoom-control.pz-zoom-control-position-bottom{bottom:16px;left:50%;margin-left:-48px}.pz-zoom-in,.pz-zoom-out{background-position:50%;background-repeat:no-repeat;cursor:pointer;height:48px;opacity:1;width:48px}.pz-zoom-in:hover,.pz-zoom-out:hover{background-color:hsla(0,0%,100%,.2)}.pz-zoom-control-position-bottom .pz-zoom-in,.pz-zoom-control-position-bottom .pz-zoom-out{float:right}.pz-disabled{cursor:default;opacity:.5}.pz-disabled:hover{background-color:hsla(0,0%,100%,0)}.pz-zoom-in{background-image:url(data:image/svg+xml;base64,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)}.pz-zoom-out{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCI+PHJlY3QgaWQ9ImJhY2tncm91bmRyZWN0IiB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4PSIwIiB5PSIwIiBmaWxsPSJub25lIiBzdHJva2U9Im5vbmUiLz48ZyBjbGFzcz0iY3VycmVudExheWVyIiBzdHlsZT0iIj48dGl0bGU+TGF5ZXIgMTwvdGl0bGU+PHBhdGggZD0iTTE5IDEzSDV2LTJoMTR2MnoiIGlkPSJzdmdfMSIgY2xhc3M9IiIgZmlsbD0iI2ZmZmZmZiIgZmlsbC1vcGFjaXR5PSIxIi8+PC9nPjwvc3ZnPg==)}"]
},] }
];
PinchZoomComponent.ctorParameters = () => [
{ type: ElementRef }
];
PinchZoomComponent.propDecorators = {
properties: [{ type: Input, args: ['properties',] }],
transitionDurationBackwardCompatibility: [{ type: Input, args: ['transition-duration',] }],
transitionDuration: [{ type: Input, args: ['transitionDuration',] }],
doubleTapBackwardCompatibility: [{ type: Input, args: ['double-tap',] }],
doubleTap: [{ type: Input, args: ['doubleTap',] }],
doubleTapScaleBackwardCompatibility: [{ type: Input, args: ['double-tap-scale',] }],
doubleTapScale: [{ type: Input, args: ['doubleTapScale',] }],
autoZoomOutBackwardCompatibility: [{ type: Input, args: ['auto-zoom-out',] }],
autoZoomOut: [{ type: Input, args: ['autoZoomOut',] }],
limitZoomBackwardCompatibility: [{ type: Input, args: ['limit-zoom',] }],
limitZoom: [{ type: Input, args: ['limitZoom',] }],
disabled: [{ type: Input }],
disablePan: [{ type: Input }],
overflow: [{ type: Input }],
zoomControlScale: [{ type: Input }],
disableZoomControl: [{ type: Input }],
backgroundColor: [{ type: Input }],
limitPan: [{ type: Input }],
minPanScale: [{ type: Input }],
minScale: [{ type: Input }],
listeners: [{ type: Input }],
wheel: [{ type: Input }],
autoHeight: [{ type: Input }],
wheelZoomFactor: [{ type: Input }],
draggableImage: [{ type: Input }],
hostOverflow: [{ type: HostBinding, args: ['style.overflow',] }],
hostBackgroundColor: [{ type: HostBinding, args: ['style.background-color',] }]
};
//# 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{ChangeDetectorRef, Component, ElementRef, HostBinding, HostListener, Input, OnDestroy, SimpleChanges} from '@angular/core';\r\n\r\nimport {Properties} from './interfaces';\r\nimport {defaultProperties, backwardCompatibilityProperties} from './properties';\r\nimport {IvyPinch} from './ivypinch';\r\n\r\ninterface ComponentProperties extends Properties {\r\n    disabled?:boolean;\r\n    overflow?: \"hidden\" | \"visible\";\r\n    disableZoomControl?: \"disable\" | \"never\" | \"auto\";\r\n    backgroundColor?: string;\r\n}\r\n\r\nexport const _defaultComponentProperties:ComponentProperties = {\r\n    overflow: \"hidden\",\r\n    disableZoomControl: \"auto\",\r\n    backgroundColor: \"rgba(0,0,0,0.85)\"\r\n}\r\n\r\ntype PropertyName = keyof ComponentProperties;\r\n\r\n@Component({\r\n\tselector: 'pinch-zoom, [pinch-zoom]',\r\n    exportAs: 'pinchZoom',\r\n    templateUrl: './pinch-zoom.component.html',\r\n    styleUrls: ['./pinch-zoom.component.sass']\r\n})\r\n\r\nexport class PinchZoomComponent implements OnDestroy {\r\n    pinchZoom: any;\r\n    _properties!: ComponentProperties;\r\n    defaultComponentProperties!: ComponentProperties;\r\n    zoomControlPositionClass: string | undefined;\r\n    _transitionDuration!:number;\r\n    _doubleTap!:boolean;\r\n    _doubleTapScale!:number;\r\n    _autoZoomOut!:boolean;\r\n    _limitZoom!:number | \"original image size\";\r\n\r\n    @Input('properties') set properties(value: ComponentProperties) {\r\n        if (value) {\r\n            this._properties = value;\r\n        }\r\n    }\r\n    get properties() {\r\n        return this._properties;\r\n    }\r\n\r\n    // transitionDuration\r\n    @Input('transition-duration') set transitionDurationBackwardCompatibility(value: number) {\r\n        if (value) {\r\n            this._transitionDuration = value;\r\n        }\r\n    }\r\n    @Input('transitionDuration') set transitionDuration(value: number) {\r\n        if (value) {\r\n            this._transitionDuration = value;\r\n        }\r\n    }\r\n    get transitionDuration() {\r\n        return this._transitionDuration;\r\n    }\r\n\r\n    // doubleTap\r\n    @Input('double-tap') set doubleTapBackwardCompatibility(value: boolean) {\r\n        if (value) {\r\n            this._doubleTap = value;\r\n        }\r\n    }\r\n    @Input('doubleTap') set doubleTap(value: boolean) {\r\n        if (value) {\r\n            this._doubleTap = value;\r\n        }\r\n    }\r\n    get doubleTap() {\r\n        return this._doubleTap;\r\n    }\r\n\r\n    // doubleTapScale\r\n    @Input('double-tap-scale') set doubleTapScaleBackwardCompatibility(value: number) {\r\n        if (value) {\r\n            this._doubleTapScale = value;\r\n        }\r\n    }\r\n    @Input('doubleTapScale') set doubleTapScale(value: number) {\r\n        if (value) {\r\n            this._doubleTapScale = value;\r\n        }\r\n    }\r\n    get doubleTapScale() {\r\n        return this._doubleTapScale;\r\n    }\r\n\r\n    // autoZoomOut\r\n    @Input('auto-zoom-out') set autoZoomOutBackwardCompatibility(value: boolean) {\r\n        if (value) {\r\n            this._autoZoomOut = value;\r\n        }\r\n    }\r\n    @Input('autoZoomOut') set autoZoomOut(value: boolean) {\r\n        if (value) {\r\n            this._autoZoomOut = value;\r\n        }\r\n    }\r\n    get autoZoomOut() {\r\n        return this._autoZoomOut;\r\n    }\r\n\r\n    // limitZoom\r\n    @Input('limit-zoom') set limitZoomBackwardCompatibility(value: number | \"original image size\") {\r\n        if (value) {\r\n            this._limitZoom = value;\r\n        }\r\n    }\r\n    @Input('limitZoom') set limitZoom(value: number | \"original image size\") {\r\n        if (value) {\r\n            this._limitZoom = value;\r\n        }\r\n    }\r\n    get limitZoom() {\r\n        return this._limitZoom;\r\n    }\r\n\r\n    @Input() disabled!: boolean;\r\n    @Input() disablePan!: boolean;\r\n    @Input() overflow!: \"hidden\" | \"visible\";\r\n    @Input() zoomControlScale!: number;\r\n    @Input() disableZoomControl!: \"disable\" | \"never\" | \"auto\";\r\n    @Input() backgroundColor!: string;\r\n    @Input() limitPan!: boolean;\r\n    @Input() minPanScale!: number;\r\n    @Input() minScale!: number;\r\n    @Input() listeners!: 'auto' | 'mouse and touch';\r\n    @Input() wheel!: boolean;\r\n    @Input() autoHeight!: boolean;\r\n    @Input() wheelZoomFactor!: number;\r\n    @Input() draggableImage!: boolean;\r\n\r\n    @HostBinding('style.overflow')\r\n    get hostOverflow() {\r\n        return this.properties['overflow'];\r\n    }\r\n    @HostBinding('style.background-color')\r\n    get hostBackgroundColor() {\r\n        return this.properties['backgroundColor'];\r\n    }\r\n\r\n    get isTouchScreen() {\r\n        var prefixes = ' -webkit- -moz- -o- -ms- '.split(' ');\r\n        var mq = function(query:any) {\r\n            return window.matchMedia(query).matches;\r\n        }\r\n\r\n        if (('ontouchstart' in window)) {\r\n            return true;\r\n        }\r\n\r\n        // include the 'heartz' as a way to have a non matching MQ to help terminate the join\r\n        // https://git.io/vznFH\r\n        var query = ['(', prefixes.join('touch-enabled),('), 'heartz', ')'].join('');\r\n        return mq(query);\r\n    }\r\n\r\n    get isDragging() {\r\n        return this.pinchZoom ? this.pinchZoom.isDragging() : undefined;\r\n    }\r\n\r\n    get isDisabled() {\r\n        return this.properties['disabled'];\r\n    }\r\n\r\n    get scale() {\r\n        return this.pinchZoom.scale;\r\n    }\r\n\r\n    get isZoomedIn() {\r\n        return this.scale > 1;\r\n    }\r\n\r\n    get scaleLevel() {\r\n        return Math.round(this.scale / this._zoomControlScale);\r\n    }\r\n\r\n    get maxScale() {\r\n        return this.pinchZoom.maxScale;\r\n    }\r\n\r\n    get isZoomLimitReached() {\r\n        return this.scale >= this.maxScale;\r\n    }\r\n\r\n    get _zoomControlScale() {\r\n        return this.getPropertiesValue('zoomControlScale');\r\n    }\r\n\r\n   constructor(private elementRef: ElementRef) {\r\n        this.defaultComponentProperties = this.getDefaultComponentProperties();\r\n        this.applyPropertiesDefault(this.defaultComponentProperties, {});\r\n    }\r\n\r\n    ngOnInit(){\r\n        this.initPinchZoom();\r\n        \r\n        /* Calls the method until the image size is available */\r\n        this.detectLimitZoom();\r\n    }\r\n\r\n    ngOnChanges(changes:SimpleChanges) {\r\n        let changedProperties = this.getProperties(changes);\r\n        changedProperties = this.renameProperties(changedProperties);\r\n\r\n        this.applyPropertiesDefault(this.defaultComponentProperties, changedProperties);\r\n    }\r\n\r\n    ngOnDestroy() {\r\n        this.destroy();\r\n    }\r\n\r\n    initPinchZoom() {\r\n        if (this.properties['disabled']) {\r\n            return;\r\n        }\r\n\r\n        this.properties['element'] = this.elementRef.nativeElement.querySelector('.pinch-zoom-content');\r\n        this.pinchZoom = new IvyPinch(this.properties);\r\n    }\r\n\r\n    getProperties(changes:SimpleChanges) {\r\n        let properties:any = {};\r\n\r\n        for (var prop in changes) {\r\n            if (prop !== 'properties'){\r\n                properties[prop] = changes[prop].currentValue;\r\n            }\r\n            if (prop === 'properties'){\r\n                properties = changes[prop].currentValue;\r\n            }\r\n        }\r\n        return properties;\r\n    }\r\n\r\n    renameProperties(properties: any) {\r\n        for (var prop in properties) {\r\n            if (backwardCompatibilityProperties[prop]) {\r\n                properties[backwardCompatibilityProperties[prop]] = properties[prop];\r\n                delete properties[prop];\r\n            }\r\n        }\r\n\r\n        return properties;\r\n    }\r\n\r\n    applyPropertiesDefault(defaultProperties:ComponentProperties, properties:ComponentProperties): void {\r\n        this.properties = Object.assign({}, defaultProperties, properties);\r\n    }\r\n\r\n    toggleZoom() {\r\n        this.pinchZoom.toggleZoom();\r\n    }\r\n\r\n    isControl() {\r\n        if (this.isDisabled) {\r\n            return false;\r\n        }\r\n\r\n        if (this.properties['disableZoomControl'] === \"disable\") {\r\n            return false;\r\n        }\r\n\r\n        if (this.isTouchScreen && this.properties['disableZoomControl'] === \"auto\") {\r\n            return false;\r\n        }\r\n\r\n        return true;\r\n    }\r\n\r\n    detectLimitZoom() {\r\n        if (this.pinchZoom) {\r\n            this.pinchZoom.detectLimitZoom();\r\n        }\r\n    }\r\n\r\n    destroy() {\r\n        this.pinchZoom.destroy();\r\n    }\r\n\r\n    getPropertiesValue(propertyName:PropertyName) {\r\n        if (this.properties && this.properties[propertyName]) {\r\n            return this.properties[propertyName]\r\n        } else {\r\n            return this.defaultComponentProperties[propertyName];\r\n        }\r\n    }\r\n\r\n    getDefaultComponentProperties() {\r\n        return {...defaultProperties, ..._defaultComponentProperties};\r\n    }\r\n}"]}