fundamental-ngx
Version:
SAP Fundamentals, implemented in Angular
244 lines • 16.2 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Component, ElementRef, EventEmitter, forwardRef, HostBinding, Input, Output, ViewChild, ViewEncapsulation } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
/**
* Tool to facilitate the input of files from the user.
* It supports drag and drop, multiple input, max file size and more.
* The drag events make it very easy to create and style elements like a dropzone.
*/
export class FileInputComponent {
constructor() {
/**
* @hidden
*/
this.fdFileInputClass = true;
/**
* Whether the file input is disabled.
*/
this.disabled = false;
/**
* Whether the file input should accept multiple files.
*/
this.multiple = true;
/**
* Whether the file input accepts drag and dropped files.
*/
this.dragndrop = true;
/**
* Event fired when files are selected. Passed object is the array of files selected.
*/
this.onSelect = new EventEmitter();
/**
* Event fired when some invalid files are selected. Passed object is the array of invalid files.
*/
this.onInvalidFiles = new EventEmitter();
/**
* Event fired when the dragged file enters the component boundaries.
*/
this.onDragEnter = new EventEmitter();
/**
* Event fired when the dragged file exits the component boundaries.
*/
this.onDragLeave = new EventEmitter();
/**
* @hidden
*/
this.onChange = (/**
* @return {?}
*/
() => { });
/**
* @hidden
*/
this.onTouched = (/**
* @return {?}
*/
() => { });
}
/**
* @hidden
* @param {?} fn
* @return {?}
*/
registerOnChange(fn) {
this.onChange = fn;
}
/**
* @hidden
* @param {?} fn
* @return {?}
*/
registerOnTouched(fn) {
this.onTouched = fn;
}
/**
* @hidden
* @param {?} isDisabled
* @return {?}
*/
setDisabledState(isDisabled) {
this.disabled = isDisabled;
}
/**
* @hidden
* @param {?} files
* @return {?}
*/
writeValue(files) {
// not needed - should be handled by user.
}
/**
* @hidden
* @param {?} event
* @return {?}
*/
selectHandler(event) {
if (this.maxFileSize) {
/** @type {?} */
const valid_files = [];
/** @type {?} */
const invalid_files = [];
event.forEach((/**
* @param {?} file
* @return {?}
*/
file => {
if (file.size < this.maxFileSize) {
valid_files.push(file);
}
else {
invalid_files.push(file);
}
}));
if (valid_files.length > 0) {
this.onChange(valid_files);
this.onSelect.emit(valid_files);
}
if (invalid_files.length > 0) {
this.onInvalidFiles.emit(invalid_files);
}
}
else {
this.onChange(event);
this.onSelect.emit(event);
}
}
/**
* Opens the file selector.
* @return {?}
*/
open() {
this.inputRef.nativeElement.click();
}
/**
* Clears the files from the input.
* @return {?}
*/
clear() {
this.inputRef.nativeElement.value = '';
this.onChange([]);
}
}
FileInputComponent.decorators = [
{ type: Component, args: [{
selector: 'fd-file-input',
template: "<div style=\"display: block\"\n fdFileDragnDrop\n [accept]=\"accept\"\n [dragndrop]=\"dragndrop\"\n [disabled]=\"disabled\"\n [multiple]=\"multiple\"\n (onFileChange)=\"selectHandler($event)\"\n (onInvalidFiles)=\"onInvalidFiles.emit($event)\"\n (onDragEnter)=\"onDragEnter.emit()\"\n (onDragLeave)=\"onDragLeave.emit()\">\n <ng-content></ng-content>\n</div>\n<input #input\n class=\"hidden-file-input\"\n type=\"file\"\n [attr.accept]=\"accept\"\n (onFileSelect)=\"selectHandler($event)\"\n [multiple]=\"multiple\"\n [disabled]=\"disabled\"\n fdFileSelect>\n\n",
host: {
'(blur)': 'onTouched()'
},
providers: [{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef((/**
* @return {?}
*/
() => FileInputComponent)),
multi: true,
}],
encapsulation: ViewEncapsulation.None,
styles: [".fd-file-input{display:inline-block}.fd-file-input input.hidden-file-input{display:none}"]
}] }
];
FileInputComponent.propDecorators = {
fdFileInputClass: [{ type: HostBinding, args: ['class.fd-file-input',] }],
inputRef: [{ type: ViewChild, args: ['input',] }],
disabled: [{ type: Input }],
multiple: [{ type: Input }],
accept: [{ type: Input }],
dragndrop: [{ type: Input }],
maxFileSize: [{ type: Input }],
onSelect: [{ type: Output }],
onInvalidFiles: [{ type: Output }],
onDragEnter: [{ type: Output }],
onDragLeave: [{ type: Output }]
};
if (false) {
/**
* @hidden
* @type {?}
*/
FileInputComponent.prototype.fdFileInputClass;
/**
* @hidden
* @type {?}
*/
FileInputComponent.prototype.inputRef;
/**
* Whether the file input is disabled.
* @type {?}
*/
FileInputComponent.prototype.disabled;
/**
* Whether the file input should accept multiple files.
* @type {?}
*/
FileInputComponent.prototype.multiple;
/**
* Accepted file extensions. Format: `'.png,.jpg'`.
* @type {?}
*/
FileInputComponent.prototype.accept;
/**
* Whether the file input accepts drag and dropped files.
* @type {?}
*/
FileInputComponent.prototype.dragndrop;
/**
* Max file size in bytes that the input will accept.
* @type {?}
*/
FileInputComponent.prototype.maxFileSize;
/**
* Event fired when files are selected. Passed object is the array of files selected.
* @type {?}
*/
FileInputComponent.prototype.onSelect;
/**
* Event fired when some invalid files are selected. Passed object is the array of invalid files.
* @type {?}
*/
FileInputComponent.prototype.onInvalidFiles;
/**
* Event fired when the dragged file enters the component boundaries.
* @type {?}
*/
FileInputComponent.prototype.onDragEnter;
/**
* Event fired when the dragged file exits the component boundaries.
* @type {?}
*/
FileInputComponent.prototype.onDragLeave;
/**
* @hidden
* @type {?}
*/
FileInputComponent.prototype.onChange;
/**
* @hidden
* @type {?}
*/
FileInputComponent.prototype.onTouched;
}
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Format: `'.png,.jpg'`. */\n    @Input()\n    accept: string;\n\n    /** Whether the file input accepts drag and dropped files. */\n    @Input()\n    dragndrop: boolean = true;\n\n    /** Max file size in bytes that the input will accept. */\n    @Input()\n    maxFileSize: number;\n\n    /** Event fired when files are selected. Passed object is the array of files selected. */\n    @Output()\n    readonly onSelect: EventEmitter<File[]> = new EventEmitter<File[]>();\n\n    /** Event fired when some invalid files are selected. Passed object is the array of invalid files. */\n    @Output()\n    readonly onInvalidFiles: EventEmitter<File[]> = new EventEmitter<File[]>();\n\n    /** Event fired when the dragged file enters the component boundaries. */\n    @Output()\n    readonly onDragEnter: EventEmitter<void> = new EventEmitter<void>();\n\n    /** Event fired when the dragged file exits the component boundaries. */\n    @Output()\n    readonly onDragLeave: EventEmitter<void> = new EventEmitter<void>();\n\n    /** @hidden */\n    onChange: Function = () => {};\n\n    /** @hidden */\n    onTouched: Function = () => {};\n\n    /** @hidden */\n    registerOnChange(fn: any): void {\n        this.onChange = fn;\n    }\n\n    /** @hidden */\n    registerOnTouched(fn: any): void {\n        this.onTouched = fn;\n    }\n\n    /** @hidden */\n    setDisabledState(isDisabled: boolean): void {\n        this.disabled = isDisabled;\n    }\n\n    /** @hidden */\n    writeValue(files: File[]): void {\n        // not needed - should be handled by user.\n    }\n\n    /** @hidden */\n    selectHandler(event: File[]) {\n        if (this.maxFileSize) {\n            const valid_files: File[] = [];\n            const invalid_files: File[] = [];\n            event.forEach(file => {\n                if (file.size < this.maxFileSize) {\n                    valid_files.push(file);\n                } else {\n                    invalid_files.push(file);\n                }\n            });\n            if (valid_files.length > 0) {\n                this.onChange(valid_files);\n                this.onSelect.emit(valid_files);\n            }\n            if (invalid_files.length > 0) {\n                this.onInvalidFiles.emit(invalid_files);\n            }\n        } else {\n            this.onChange(event);\n            this.onSelect.emit(event);\n        }\n    }\n\n    /**\n     * Opens the file selector.\n     */\n    public open(): void {\n        this.inputRef.nativeElement.click();\n    }\n\n    /**\n     * Clears the files from the input.\n     */\n    public clear(): void {\n        this.inputRef.nativeElement.value = '';\n        this.onChange([]);\n    }\n\n}\n"]}