ngx-extended-pdf-viewer/esm2022/lib/toolbar/pdf-zoom-toolbar/pdf-zoom-dropdown/pdf-zoom-dropdown.component.mjs

Embedding PDF files in your Angular application. Highly configurable viewer including the toolbar, sidebar, and all the features you're used to.

import { Component, Input, ViewChild } from '@angular/core';
import * as i0 from "@angular/core";
import * as i1 from "@angular/forms";
import * as i2 from "../../../responsive-visibility";
export class PdfZoomDropdownComponent {
    element;
    showZoomDropdown = true;
    _zoomLevels = [];
    set zoomLevels(levels) {
        this._zoomLevels = levels.map((l) => this.valueToZoomLevel(l));
    }
    sizeSelector;
    constructor(element) {
        this.element = element;
    }
    valueToZoomLevel(value) {
        // const new TranslatePipe().transform('pdfjs-page-scale-percent', '{ $scale } %');
        if (value.toString().endsWith('%')) {
            value = value.toString().replace('%', '');
            value = Number(value) / 100;
        }
        const numericalValue = Number(value);
        if (!numericalValue) {
            const v = String(value);
            return {
                id: this.snakeToCamel(value + 'Option'),
                value: v,
                dataL10nId: 'pdfjs-page-scale-' + v.replace('page-', ''),
                dataL10nArgs: undefined,
                displayValue: v,
            };
        }
        const percentage = Math.round(numericalValue * 100);
        const percentageAsString = isNaN(percentage) ? '' : String(percentage);
        return {
            id: `scale_${percentage}`,
            value: String(numericalValue),
            dataL10nId: 'pdfjs-page-scale-percent',
            dataL10nArgs: `{ "scale": ${percentageAsString} }`,
            displayValue: '',
        };
    }
    snakeToCamel(str) {
        // idea found here: https://hisk.io/javascript-snake-to-camel/
        return str.replace(/([-_][a-z])/g, (group) => group.toUpperCase().replace('-', '').replace('_', ''));
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: PdfZoomDropdownComponent, deps: [{ token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Component });
    static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "17.3.12", type: PdfZoomDropdownComponent, selector: "pdf-zoom-dropdown", inputs: { showZoomDropdown: "showZoomDropdown", zoomLevels: "zoomLevels" }, viewQueries: [{ propertyName: "sizeSelector", first: true, predicate: ["sizeSelector"], descendants: true }], ngImport: i0, template: "<span id=\"scaleSelectContainer\" [class]=\"showZoomDropdown | responsiveCSSClass : 'hiddenTinyView'\">\n  <select id=\"scaleSelect\" title=\"Zoom\" data-l10n-id=\"pdfjs-zoom-select\" #sizeSelector>\n    @for (level of _zoomLevels; track level.id) {\n      <option\n        [id]=\"level.id\"\n        [attr.value]=\"level.value\"\n        [attr.data-l10n-id]=\"level.dataL10nId\"\n        [attr.data-l10n-args]=\"level.dataL10nArgs\"\n        >\n        {{ level.displayValue }}\n      </option>\n    }\n    <option\n      id=\"customScaleOption\"\n      title=\"\"\n      value=\"custom\"\n      disabled=\"disabled\"\n      hidden=\"true\"\n      data-l10n-id=\"pdfjs-page-scale-percent\"\n      data-l10n-args='{ \"scale\": 0 }'\n      >\n      0%\n    </option>\n  </select>\n</span>\n", styles: ["select{font-size:12px;height:26px;cursor:pointer;border-radius:2px;border-width:1px;border-style:solid;padding-top:0;padding-bottom:0}#customScaleOption{display:none}\n"], dependencies: [{ kind: "directive", type: i1.NgSelectOption, selector: "option", inputs: ["ngValue", "value"] }, { kind: "directive", type: i1.ɵNgSelectMultipleOption, selector: "option", inputs: ["ngValue", "value"] }, { kind: "pipe", type: i2.ResponsiveCSSClassPipe, name: "responsiveCSSClass" }] });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: PdfZoomDropdownComponent, decorators: [{
            type: Component,
            args: [{ selector: 'pdf-zoom-dropdown', template: "<span id=\"scaleSelectContainer\" [class]=\"showZoomDropdown | responsiveCSSClass : 'hiddenTinyView'\">\n  <select id=\"scaleSelect\" title=\"Zoom\" data-l10n-id=\"pdfjs-zoom-select\" #sizeSelector>\n    @for (level of _zoomLevels; track level.id) {\n      <option\n        [id]=\"level.id\"\n        [attr.value]=\"level.value\"\n        [attr.data-l10n-id]=\"level.dataL10nId\"\n        [attr.data-l10n-args]=\"level.dataL10nArgs\"\n        >\n        {{ level.displayValue }}\n      </option>\n    }\n    <option\n      id=\"customScaleOption\"\n      title=\"\"\n      value=\"custom\"\n      disabled=\"disabled\"\n      hidden=\"true\"\n      data-l10n-id=\"pdfjs-page-scale-percent\"\n      data-l10n-args='{ \"scale\": 0 }'\n      >\n      0%\n    </option>\n  </select>\n</span>\n", styles: ["select{font-size:12px;height:26px;cursor:pointer;border-radius:2px;border-width:1px;border-style:solid;padding-top:0;padding-bottom:0}#customScaleOption{display:none}\n"] }]
        }], ctorParameters: () => [{ type: i0.ElementRef }], propDecorators: { showZoomDropdown: [{
                type: Input
            }], zoomLevels: [{
                type: Input
            }], sizeSelector: [{
                type: ViewChild,
                args: ['sizeSelector']
            }] } });
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