ng-devui
Version:
DevUI components based on Angular
126 lines • 20.1 kB
JavaScript
import { DOCUMENT } from '@angular/common';
import { Inject, Injectable } from '@angular/core';
import { I18nService } from 'ng-devui/i18n';
import { Observable, from } from 'rxjs';
import { mergeMap } from 'rxjs/operators';
import * as i0 from "@angular/core";
import * as i1 from "ng-devui/i18n";
export class SelectFiles {
constructor(i18n, doc) {
this.i18n = i18n;
this.doc = doc;
this.selectFiles = ({ multiple, accept, webkitdirectory }) => {
return new Promise((resolve) => {
const tempNode = this.document.getElementById('d-upload-temp');
if (tempNode) {
this.document.body.removeChild(tempNode);
}
const input = this.document.createElement('input');
input.style.position = 'fixed';
input.style.left = '-2000px';
input.style.top = '-2000px';
input.setAttribute('id', 'd-upload-temp');
input.setAttribute('type', 'file');
if (multiple) {
input.setAttribute('multiple', '');
}
if (accept) {
input.setAttribute('accept', accept);
}
if (webkitdirectory) {
input.setAttribute('webkitdirectory', '');
}
input.addEventListener('change', event => {
resolve(Array.prototype.slice.call(event.target.files));
});
this.document.body.appendChild(input); // Fix compatibility issue with Internet Explorer 11
this.simulateClickEvent(input);
});
};
this.isAllowedFileType = (accept, file) => {
if (accept) {
const acceptArr = accept.split(',');
const baseMimeType = file.type.replace(/\/.*$/, '');
return acceptArr.some((type) => {
const validType = type.trim();
// suffix name (e.g. '.png,.xlsx')
if (validType.startsWith('.')) {
return (file.name.toLowerCase().indexOf(validType.toLowerCase(), file.name.toLowerCase().length - validType.toLowerCase().length) > -1);
// mime type like 'image/*'
}
else if (/\/\*$/.test(validType)) {
return baseMimeType === validType.replace(/\/.*$/, '');
}
// mime type like 'text/plain,application/json'
return file.type === validType;
});
}
return true;
};
this.beyondMaximalSize = (fileSize, maximumSize) => {
if (maximumSize) {
return fileSize > 1024 * 1024 * maximumSize;
}
return false;
};
this.beyondAllFilesMaximalSize = (fileSize, maximumSize) => {
if (maximumSize) {
return fileSize > 1024 * 1024 * maximumSize;
}
return false;
};
this.beyondMaximumFileCount = (files, maximumCount) => {
if (maximumCount) {
return files > maximumCount;
}
return false;
};
this.triggerSelectFiles = (fileOptions, uploadOptions) => {
const { multiple, accept, webkitdirectory } = fileOptions;
return from(this.selectFiles({ multiple, accept, webkitdirectory })).pipe(mergeMap(file => file));
};
this.triggerDropFiles = (fileOptions, uploadOptions, files) => {
return new Observable(observer => observer.next(files)).pipe(mergeMap(file => file));
};
this.document = this.doc;
this.i18nText = this.i18n.getI18nText().upload;
this.i18nSubscription = this.i18n.langChange().subscribe((data) => {
this.i18nText = data.upload;
});
}
checkAllFilesSize(fileSize, maximumSize) {
if (this.beyondMaximalSize(fileSize, maximumSize)) {
this.BEYOND_MAXIMAL_FILE_SIZE_MSG = this.i18nText.getAllFilesBeyondMaximalFileSizeMsg(maximumSize);
return { checkError: true, errorMsg: this.BEYOND_MAXIMAL_FILE_SIZE_MSG };
}
}
_validateFiles(filesLen, currentFile, accept, uploadOptions) {
if (!this.isAllowedFileType(accept, currentFile)) {
this.NOT_ALLOWED_FILE_TYPE_MSG = this.i18nText.getNotAllowedFileTypeMsg(currentFile.name, accept);
return { checkError: true, errorMsg: this.NOT_ALLOWED_FILE_TYPE_MSG };
}
if (this.beyondMaximalSize(currentFile.size, uploadOptions.maximumSize)) {
this.BEYOND_MAXIMAL_FILE_SIZE_MSG = this.i18nText.getBeyondMaximalFileSizeMsg(currentFile.name, uploadOptions.maximumSize);
return { checkError: true, errorMsg: this.BEYOND_MAXIMAL_FILE_SIZE_MSG };
}
if (this.beyondMaximumFileCount(filesLen, uploadOptions.maximumCount)) {
this.BEYOND_MAXIMAL_FILE_COUNT_MSG = this.i18nText.getBeyondMaximumFileCountMsg(uploadOptions.maximumCount);
return { checkError: true, errorMsg: this.BEYOND_MAXIMAL_FILE_COUNT_MSG };
}
return { checkError: false, errorMsg: undefined };
}
simulateClickEvent(input) {
const evt = new MouseEvent('click');
evt.stopPropagation();
input.dispatchEvent(evt);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: SelectFiles, deps: [{ token: i1.I18nService }, { token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: SelectFiles }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: SelectFiles, decorators: [{
type: Injectable
}], ctorParameters: () => [{ type: i1.I18nService }, { type: undefined, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }] });
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{ DOCUMENT } from '@angular/common';\nimport { Inject, Injectable } from '@angular/core';\nimport { I18nInterface, I18nService } from 'ng-devui/i18n';\nimport { Observable, Subscription, from } from 'rxjs';\nimport { mergeMap } from 'rxjs/operators';\nimport { IFileOptions, IUploadOptions } from './file-uploader.types';\n\n@Injectable()\nexport class SelectFiles {\n  NOT_ALLOWED_FILE_TYPE_MSG: string;\n  BEYOND_MAXIMAL_FILE_SIZE_MSG: string;\n  BEYOND_MAXIMAL_FILE_COUNT_MSG: string;\n  i18nText: I18nInterface['upload'];\n  i18nSubscription: Subscription;\n  document: Document;\n\n  constructor(private i18n: I18nService, @Inject(DOCUMENT) private doc: any) {\n    this.document = this.doc;\n    this.i18nText = this.i18n.getI18nText().upload;\n    this.i18nSubscription = this.i18n.langChange().subscribe((data) => {\n      this.i18nText = data.upload;\n    });\n  }\n\n  selectFiles = ({ multiple, accept, webkitdirectory }: IFileOptions): Promise<File[]> => {\n    return new Promise((resolve) => {\n      const tempNode = this.document.getElementById('d-upload-temp');\n      if (tempNode) {\n        this.document.body.removeChild(tempNode);\n      }\n      const input = this.document.createElement('input');\n\n      input.style.position = 'fixed';\n      input.style.left = '-2000px';\n      input.style.top = '-2000px';\n\n      input.setAttribute('id', 'd-upload-temp');\n      input.setAttribute('type', 'file');\n      if (multiple) {\n        input.setAttribute('multiple', '');\n      }\n      if (accept) {\n        input.setAttribute('accept', accept);\n      }\n\n      if (webkitdirectory) {\n        input.setAttribute('webkitdirectory', '');\n      }\n\n      input.addEventListener('change', event => {\n        resolve(Array.prototype.slice.call((event.target as HTMLInputElement).files));\n      });\n      this.document.body.appendChild(input); // Fix compatibility issue with Internet Explorer 11\n      this.simulateClickEvent(input);\n    });\n  };\n\n  isAllowedFileType = (accept: string, file: File) => {\n    if (accept) {\n      const acceptArr = accept.split(',');\n      const baseMimeType = file.type.replace(/\\/.*$/, '');\n      return acceptArr.some((type: string) => {\n        const validType = type.trim();\n        //  suffix name (e.g. '.png,.xlsx')\n        if (validType.startsWith('.')) {\n          return (\n            file.name.toLowerCase().indexOf(validType.toLowerCase(), file.name.toLowerCase().length - validType.toLowerCase().length) > -1\n          );\n          // mime type like 'image/*'\n        } else if (/\\/\\*$/.test(validType)) {\n          return baseMimeType === validType.replace(/\\/.*$/, '');\n        }\n        //  mime type like 'text/plain,application/json'\n        return file.type === validType;\n      });\n    }\n    return true;\n  };\n\n  beyondMaximalSize = (fileSize, maximumSize) => {\n    if (maximumSize) {\n      return fileSize > 1024 * 1024 * maximumSize;\n    }\n    return false;\n  };\n\n  beyondAllFilesMaximalSize = (fileSize, maximumSize) => {\n    if (maximumSize) {\n      return fileSize > 1024 * 1024 * maximumSize;\n    }\n    return false;\n  };\n\n  beyondMaximumFileCount = (files, maximumCount) => {\n    if (maximumCount) {\n      return files > maximumCount;\n    }\n    return false;\n  };\n\n  triggerSelectFiles = (fileOptions: IFileOptions, uploadOptions: IUploadOptions) => {\n    const { multiple, accept, webkitdirectory } = fileOptions;\n    return from(this.selectFiles({ multiple, accept, webkitdirectory })).pipe(mergeMap(file => <any>file));\n  };\n\n  triggerDropFiles = (fileOptions: IFileOptions, uploadOptions: IUploadOptions, files: any) => {\n    return new Observable(observer => observer.next(files)).pipe(mergeMap(file => <any>file));\n\n  };\n\n  checkAllFilesSize(fileSize, maximumSize) {\n    if (this.beyondMaximalSize(fileSize, maximumSize)) {\n      this.BEYOND_MAXIMAL_FILE_SIZE_MSG = this.i18nText.getAllFilesBeyondMaximalFileSizeMsg(maximumSize);\n      return { checkError: true, errorMsg: this.BEYOND_MAXIMAL_FILE_SIZE_MSG };\n    }\n  }\n\n  _validateFiles(filesLen, currentFile, accept, uploadOptions) {\n    if (!this.isAllowedFileType(accept, <File>currentFile)) {\n      this.NOT_ALLOWED_FILE_TYPE_MSG = this.i18nText.getNotAllowedFileTypeMsg((<File>currentFile).name, accept);\n      return { checkError: true, errorMsg: this.NOT_ALLOWED_FILE_TYPE_MSG };\n    }\n    if (this.beyondMaximalSize((<File>currentFile).size, uploadOptions.maximumSize)) {\n      this.BEYOND_MAXIMAL_FILE_SIZE_MSG = this.i18nText.getBeyondMaximalFileSizeMsg((<File>currentFile).name, uploadOptions.maximumSize);\n      return { checkError: true, errorMsg: this.BEYOND_MAXIMAL_FILE_SIZE_MSG };\n    }\n    if (this.beyondMaximumFileCount(filesLen, uploadOptions.maximumCount)) {\n      this.BEYOND_MAXIMAL_FILE_COUNT_MSG = this.i18nText.getBeyondMaximumFileCountMsg(uploadOptions.maximumCount);\n      return { checkError: true, errorMsg: this.BEYOND_MAXIMAL_FILE_COUNT_MSG };\n    }\n    return { checkError: false, errorMsg: undefined };\n  }\n\n  simulateClickEvent(input) {\n    const evt = new MouseEvent('click');\n    evt.stopPropagation();\n    input.dispatchEvent(evt);\n  }\n}\n"]}