carbon-components-angular
Version:
Next generation components
379 lines (377 loc) • 32.2 kB
JavaScript
import { Component, Input, Output, ViewChild, EventEmitter, TemplateRef } from "@angular/core";
import { NG_VALUE_ACCESSOR } from "@angular/forms";
import * as i0 from "@angular/core";
import * as i1 from "carbon-components-angular/i18n";
import * as i2 from "@angular/common";
import * as i3 from "carbon-components-angular/button";
import * as i4 from "./file.component";
const noop = () => { };
/**
* Get started with importing the module:
*
* ```typescript
* import { FileUploaderModule } from 'carbon-components-angular';
* ```
*
* [See demo](../../?path=/story/components-file-uploader--basic)
*/
export class FileUploader {
constructor(i18n) {
this.i18n = i18n;
/**
* Accessible text for the button that opens the upload window.
*
* Defaults to the `FILE_UPLOADER.OPEN` value from the i18n service
*/
this.buttonText = this.i18n.get().FILE_UPLOADER.OPEN;
/**
* Type set for button
*/
this.buttonType = "primary";
/**
* Specify the types of files that the input should be able to receive
*/
this.accept = [];
/**
* Set to `false` to tell the component to only accept a single file on upload.
*
* Defaults to `true`. Accepts multiple files.
*/
this.multiple = true;
/**
* Set to `true` for a loading file uploader.
*/
this.skeleton = false;
/**
* Sets the size of the file items
*/
this.fileItemSize = "lg";
/**
* Set to `true` to enable drag and drop.
*/
this.drop = false;
/**
* Provides a unique id for the underlying `<input>` node
*/
this.fileUploaderId = `file-uploader-${FileUploader.fileUploaderCount}`;
/**
* The list of files that have been submitted to be uploaded
*/
this.files = new Set();
/**
* Set to `true` to disable upload button
*/
this.disabled = false;
this.filesChange = new EventEmitter();
/**
* Controls the state of the drag and drop file container
*/
this.dragOver = false;
this.onTouchedCallback = noop;
this.onChangeCallback = noop;
FileUploader.fileUploaderCount++;
}
/**
* Specifies the property to be used as the return value to `ngModel` and reactive forms.
* Updates `this.files`.
*/
get value() {
return this.files;
}
set value(v) {
if (v !== this.files) {
this.files = v;
this.onChangeCallback(v);
}
}
onBlur() {
this.onTouchedCallback();
}
get fileList() {
return Array.from(this.fileInput.nativeElement.files);
}
/**
* Propagates the injected `value`.
*/
writeValue(value) {
if (value !== this.value) {
this.files = value;
}
}
createFileItem(file) {
return {
uploaded: false,
state: "edit",
invalid: false,
invalidText: "",
file: file
};
}
onFilesAdded() {
const newFiles = new Set(this.files);
if (!this.multiple) {
newFiles.clear();
}
for (let file of this.fileList) {
const fileItem = this.createFileItem(file);
newFiles.add(fileItem);
}
this.value = newFiles;
this.filesChange.emit(newFiles);
}
onDragOver(event) {
event.stopPropagation();
event.preventDefault();
if (this.disabled) {
return;
}
this.dragOver = true;
}
onDragLeave(event) {
event.stopPropagation();
event.preventDefault();
this.dragOver = false;
}
onDrop(event) {
event.stopPropagation();
event.preventDefault();
if (this.disabled) {
return;
}
const transferredFiles = Array.from(event.dataTransfer.files);
const newFiles = new Set(this.files);
transferredFiles.filter(({ name, type }) => {
// Get the file extension and add a "." to the beginning.
const fileExtension = name.split(".").pop().replace(/^/, ".");
// Check if the accept array contains the mime type or extension of the file.
return this.accept.includes(type) || this.accept.includes(fileExtension) || !this.accept.length;
}).forEach(file => {
if (!newFiles.size || this.multiple) {
const fileItem = this.createFileItem(file);
newFiles.add(fileItem);
}
});
this.value = newFiles;
this.filesChange.emit(newFiles);
this.dragOver = false;
}
removeFile(fileItem) {
// Deleting an item from this.files removes the <ibm-file> component,
// which triggers its ngOnDestroy(), which fires the (remove) event again.
// So, (remove) may double-fire and we need to handle it here.
if (this.files && this.files.has(fileItem)) {
const newFiles = new Set(this.files);
newFiles.delete(fileItem);
this.filesChange.emit(newFiles);
this.value = newFiles;
}
this.fileInput.nativeElement.value = "";
}
isTemplate(value) {
return value instanceof TemplateRef;
}
/**
* Registers the injected function to control the touch use of the `FileUploader`.
*/
registerOnTouched(fn) {
this.onTouchedCallback = fn;
}
/**
* Sets a method in order to propagate changes back to the form.
*/
registerOnChange(fn) {
this.onChangeCallback = fn;
}
/**
* `ControlValueAccessor` method to programmatically disable the checkbox.
*
* ex: `this.formGroup.get("myFileUploader").disable();`
*
* @param isDisabled `true` to disable the file uploader
*/
setDisabledState(isDisabled) {
this.disabled = isDisabled;
}
}
/**
* Counter used to create unique ids for file-uploader components
*/
FileUploader.fileUploaderCount = 0;
FileUploader.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: FileUploader, deps: [{ token: i1.I18n }], target: i0.ɵɵFactoryTarget.Component });
FileUploader.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "14.3.0", type: FileUploader, selector: "cds-file-uploader, ibm-file-uploader", inputs: { buttonText: "buttonText", buttonType: "buttonType", title: "title", description: "description", accept: "accept", multiple: "multiple", skeleton: "skeleton", size: "size", fileItemSize: "fileItemSize", drop: "drop", dropText: "dropText", fileUploaderId: "fileUploaderId", files: "files", disabled: "disabled" }, outputs: { filesChange: "filesChange" }, providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: FileUploader,
multi: true
}
], viewQueries: [{ propertyName: "fileInput", first: true, predicate: ["fileInput"], descendants: true }], ngImport: i0, template: `
<ng-container *ngIf="!skeleton; else skeletonTemplate">
<label [for]="fileUploaderId" class="cds--file--label">{{title}}</label>
<p class="cds--label-description" role="alert">{{description}}</p>
<div class="cds--file">
<label
*ngIf="drop"
class="cds--file-browse-btn"
(keyup.enter)="fileInput.click()"
(keyup.space)="fileInput.click()"
[ngClass]="{'cds--file-browse-btn--disabled': disabled}"
tabindex="0">
<div
class="cds--file__drop-container"
[ngClass]="{'cds--file__drop-container--drag-over': dragOver}"
role="button"
(click)="fileInput.click()"
[attr.for]="fileUploaderId"
(dragover)="onDragOver($event)"
(dragleave)="onDragLeave($event)"
(drop)="onDrop($event)">
<ng-container *ngIf="!isTemplate(dropText)">{{dropText}}</ng-container>
<ng-template *ngIf="isTemplate(dropText)" [ngTemplateOutlet]="dropText"></ng-template>
</div>
</label>
<button
*ngIf="!drop"
type="button"
[cdsButton]="buttonType"
(click)="fileInput.click()"
[attr.for]="fileUploaderId"
[size]="size"
[disabled]="disabled">
{{buttonText}}
</button>
<input
#fileInput
type="file"
class="cds--file-input"
[accept]="accept"
[id]="fileUploaderId"
[multiple]="multiple"
tabindex="-1"
(change)="onFilesAdded()"
[disabled]="disabled"/>
<div class="cds--file-container">
<ng-container *ngFor="let fileItem of files">
<cds-file
[fileItem]="fileItem"
(remove)="removeFile(fileItem)"
[size]="fileItemSize">
</cds-file>
</ng-container>
</div>
</div>
</ng-container>
<ng-template #skeletonTemplate>
<div class="cds--skeleton__text" style="width: 100px"></div>
<div class="cds--skeleton__text" style="width: 225px"></div>
<button cdsButton skeleton="true"></button>
</ng-template>
`, isInline: true, dependencies: [{ kind: "directive", type: i2.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i2.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { kind: "directive", type: i2.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i2.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i3.Button, selector: "[cdsButton], [ibmButton]", inputs: ["ibmButton", "cdsButton", "size", "skeleton", "iconOnly", "isExpressive"] }, { kind: "component", type: i4.FileComponent, selector: "cds-file, ibm-file", inputs: ["translations", "fileItem", "size"], outputs: ["remove"] }] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: FileUploader, decorators: [{
type: Component,
args: [{
selector: "cds-file-uploader, ibm-file-uploader",
template: `
<ng-container *ngIf="!skeleton; else skeletonTemplate">
<label [for]="fileUploaderId" class="cds--file--label">{{title}}</label>
<p class="cds--label-description" role="alert">{{description}}</p>
<div class="cds--file">
<label
*ngIf="drop"
class="cds--file-browse-btn"
(keyup.enter)="fileInput.click()"
(keyup.space)="fileInput.click()"
[ngClass]="{'cds--file-browse-btn--disabled': disabled}"
tabindex="0">
<div
class="cds--file__drop-container"
[ngClass]="{'cds--file__drop-container--drag-over': dragOver}"
role="button"
(click)="fileInput.click()"
[attr.for]="fileUploaderId"
(dragover)="onDragOver($event)"
(dragleave)="onDragLeave($event)"
(drop)="onDrop($event)">
<ng-container *ngIf="!isTemplate(dropText)">{{dropText}}</ng-container>
<ng-template *ngIf="isTemplate(dropText)" [ngTemplateOutlet]="dropText"></ng-template>
</div>
</label>
<button
*ngIf="!drop"
type="button"
[cdsButton]="buttonType"
(click)="fileInput.click()"
[attr.for]="fileUploaderId"
[size]="size"
[disabled]="disabled">
{{buttonText}}
</button>
<input
#fileInput
type="file"
class="cds--file-input"
[accept]="accept"
[id]="fileUploaderId"
[multiple]="multiple"
tabindex="-1"
(change)="onFilesAdded()"
[disabled]="disabled"/>
<div class="cds--file-container">
<ng-container *ngFor="let fileItem of files">
<cds-file
[fileItem]="fileItem"
(remove)="removeFile(fileItem)"
[size]="fileItemSize">
</cds-file>
</ng-container>
</div>
</div>
</ng-container>
<ng-template #skeletonTemplate>
<div class="cds--skeleton__text" style="width: 100px"></div>
<div class="cds--skeleton__text" style="width: 225px"></div>
<button cdsButton skeleton="true"></button>
</ng-template>
`,
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: FileUploader,
multi: true
}
]
}]
}], ctorParameters: function () { return [{ type: i1.I18n }]; }, propDecorators: { buttonText: [{
type: Input
}], buttonType: [{
type: Input
}], title: [{
type: Input
}], description: [{
type: Input
}], accept: [{
type: Input
}], multiple: [{
type: Input
}], skeleton: [{
type: Input
}], size: [{
type: Input
}], fileItemSize: [{
type: Input
}], drop: [{
type: Input
}], dropText: [{
type: Input
}], fileUploaderId: [{
type: Input
}], fileInput: [{
type: ViewChild,
args: ["fileInput"]
}], files: [{
type: Input
}], disabled: [{
type: Input
}], filesChange: [{
type: Output
}] } });
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{\n\tComponent,\n\tInput,\n\tOutput,\n\tViewChild,\n\tEventEmitter,\n\tTemplateRef\n} from \"@angular/core\";\nimport { ControlValueAccessor, NG_VALUE_ACCESSOR } from \"@angular/forms\";\n\nimport { I18n } from \"carbon-components-angular/i18n\";\nimport { FileItem } from \"./file-item.interface\";\n\nconst noop = () => { };\n\n/**\n * Get started with importing the module:\n *\n * ```typescript\n * import { FileUploaderModule } from 'carbon-components-angular';\n * ```\n *\n * [See demo](../../?path=/story/components-file-uploader--basic)\n */\n@Component({\n\tselector: \"cds-file-uploader, ibm-file-uploader\",\n\ttemplate: `\n\t\t<ng-container *ngIf=\"!skeleton; else skeletonTemplate\">\n\t\t\t<label [for]=\"fileUploaderId\" class=\"cds--file--label\">{{title}}</label>\n\t\t\t<p class=\"cds--label-description\" role=\"alert\">{{description}}</p>\n\t\t\t<div class=\"cds--file\">\n\t\t\t\t<label\n\t\t\t\t\t*ngIf=\"drop\"\n\t\t\t\t\tclass=\"cds--file-browse-btn\"\n\t\t\t\t\t(keyup.enter)=\"fileInput.click()\"\n\t\t\t\t\t(keyup.space)=\"fileInput.click()\"\n\t\t\t\t\t[ngClass]=\"{'cds--file-browse-btn--disabled': disabled}\"\n\t\t\t\t\ttabindex=\"0\">\n\t\t\t\t\t<div\n\t\t\t\t\t\tclass=\"cds--file__drop-container\"\n\t\t\t\t\t\t[ngClass]=\"{'cds--file__drop-container--drag-over': dragOver}\"\n\t\t\t\t\t\trole=\"button\"\n\t\t\t\t\t\t(click)=\"fileInput.click()\"\n\t\t\t\t\t\t[attr.for]=\"fileUploaderId\"\n\t\t\t\t\t\t(dragover)=\"onDragOver($event)\"\n\t\t\t\t\t\t(dragleave)=\"onDragLeave($event)\"\n\t\t\t\t\t\t(drop)=\"onDrop($event)\">\n\t\t\t\t\t\t<ng-container *ngIf=\"!isTemplate(dropText)\">{{dropText}}</ng-container>\n\t\t\t\t\t\t<ng-template *ngIf=\"isTemplate(dropText)\" [ngTemplateOutlet]=\"dropText\"></ng-template>\n\t\t\t\t\t</div>\n\t\t\t\t</label>\n\t\t\t\t<button\n\t\t\t\t\t*ngIf=\"!drop\"\n\t\t\t\t\ttype=\"button\"\n\t\t\t\t\t[cdsButton]=\"buttonType\"\n\t\t\t\t\t(click)=\"fileInput.click()\"\n\t\t\t\t\t[attr.for]=\"fileUploaderId\"\n\t\t\t\t\t[size]=\"size\"\n\t\t\t\t\t[disabled]=\"disabled\">\n\t\t\t\t\t{{buttonText}}\n\t\t\t\t</button>\n\t\t\t\t<input\n\t\t\t\t\t#fileInput\n\t\t\t\t\ttype=\"file\"\n\t\t\t\t\tclass=\"cds--file-input\"\n\t\t\t\t\t[accept]=\"accept\"\n\t\t\t\t\t[id]=\"fileUploaderId\"\n\t\t\t\t\t[multiple]=\"multiple\"\n\t\t\t\t\ttabindex=\"-1\"\n\t\t\t\t\t(change)=\"onFilesAdded()\"\n\t\t\t\t\t[disabled]=\"disabled\"/>\n\t\t\t\t<div class=\"cds--file-container\">\n\t\t\t\t\t<ng-container *ngFor=\"let fileItem of files\">\n\t\t\t\t\t\t<cds-file\n\t\t\t\t\t\t\t[fileItem]=\"fileItem\"\n\t\t\t\t\t\t\t(remove)=\"removeFile(fileItem)\"\n\t\t\t\t\t\t\t[size]=\"fileItemSize\">\n\t\t\t\t\t\t</cds-file>\n\t\t\t\t\t</ng-container>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t</ng-container>\n\n\t\t<ng-template #skeletonTemplate>\n\t\t\t<div class=\"cds--skeleton__text\" style=\"width: 100px\"></div>\n\t\t\t<div class=\"cds--skeleton__text\" style=\"width: 225px\"></div>\n\t\t\t<button cdsButton skeleton=\"true\"></button>\n\t\t</ng-template>\n\t`,\n\tproviders: [\n\t\t{\n\t\t\tprovide: NG_VALUE_ACCESSOR,\n\t\t\tuseExisting: FileUploader,\n\t\t\tmulti: true\n\t\t}\n\t]\n})\nexport class FileUploader implements ControlValueAccessor {\n\t/**\n\t * Counter used to create unique ids for file-uploader components\n\t */\n\tstatic fileUploaderCount = 0;\n\t/**\n\t * Accessible text for the button that opens the upload window.\n\t *\n\t * Defaults to the `FILE_UPLOADER.OPEN` value from the i18n service\n\t */\n\t@Input() buttonText = this.i18n.get().FILE_UPLOADER.OPEN;\n\t/**\n\t * Type set for button\n\t */\n\t@Input() buttonType: \"primary\" | \"secondary\" | \"tertiary\" | \"ghost\" | \"danger\" = \"primary\";\n\t/**\n\t * Text set to the title\n\t */\n\t@Input() title: string;\n\t/**\n\t * Text set to the description\n\t */\n\t@Input() description: string;\n\t/**\n\t * Specify the types of files that the input should be able to receive\n\t */\n\t@Input() accept = [];\n\t/**\n\t * Set to `false` to tell the component to only accept a single file on upload.\n\t *\n\t * Defaults to `true`. Accepts multiple files.\n\t */\n\t@Input() multiple = true;\n\t/**\n\t * Set to `true` for a loading file uploader.\n\t */\n\t@Input() skeleton = false;\n\t/**\n\t * Sets the size of the button.\n\t */\n\t@Input() size: \"sm\" | \"md\" | \"lg\";\n\t/**\n\t * Sets the size of the file items\n\t */\n\t@Input() fileItemSize: \"sm\" | \"md\" | \"lg\" = \"lg\";\n\t/**\n\t * Set to `true` to enable drag and drop.\n\t */\n\t@Input() drop = false;\n\t/**\n\t * Sets the text shown in drag and drop box.\n\t */\n\t@Input() dropText: string | TemplateRef<any>;\n\t/**\n\t * Provides a unique id for the underlying `<input>` node\n\t */\n\t@Input() fileUploaderId = `file-uploader-${FileUploader.fileUploaderCount}`;\n\t/**\n\t * Maintains a reference to the view DOM element of the underlying <input> node\n\t */\n\t@ViewChild(\"fileInput\") fileInput;\n\t/**\n\t * The list of files that have been submitted to be uploaded\n\t */\n\t@Input() files = new Set<FileItem>();\n\t/**\n\t * Set to `true` to disable upload button\n\t */\n\t@Input() disabled = false;\n\n\t@Output() filesChange = new EventEmitter<any>();\n\n\t/**\n\t * Controls the state of the drag and drop file container\n\t */\n\tpublic dragOver = false;\n\n\tprotected onTouchedCallback: () => void = noop;\n\tprotected onChangeCallback: (_: Set<FileItem>) => void = noop;\n\n\tconstructor(protected i18n: I18n) {\n\t\tFileUploader.fileUploaderCount++;\n\t}\n\n\t/**\n\t * Specifies the property to be used as the return value to `ngModel` and reactive forms.\n\t * Updates `this.files`.\n\t */\n\tget value(): Set<FileItem> {\n\t\treturn this.files;\n\t}\n\tset value(v: Set<FileItem>) {\n\t\tif (v !== this.files) {\n\t\t\tthis.files = v;\n\t\t\tthis.onChangeCallback(v);\n\t\t}\n\t}\n\n\tonBlur() {\n\t\tthis.onTouchedCallback();\n\t}\n\n\tget fileList() {\n\t\treturn Array.from(this.fileInput.nativeElement.files);\n\t}\n\n\t/**\n\t * Propagates the injected `value`.\n\t */\n\twriteValue(value: Set<FileItem>) {\n\t\tif (value !== this.value) {\n\t\t\tthis.files = value;\n\t\t}\n\t}\n\n\tcreateFileItem(file): FileItem {\n\t\treturn {\n\t\t\tuploaded: false,\n\t\t\tstate: \"edit\",\n\t\t\tinvalid: false,\n\t\t\tinvalidText: \"\",\n\t\t\tfile: file\n\t\t};\n\t}\n\n\tonFilesAdded() {\n\t\tconst newFiles = new Set<FileItem>(this.files);\n\t\tif (!this.multiple) {\n\t\t\tnewFiles.clear();\n\t\t}\n\t\tfor (let file of this.fileList) {\n\t\t\tconst fileItem = this.createFileItem(file);\n\t\t\tnewFiles.add(fileItem);\n\t\t}\n\n\t\tthis.value = newFiles;\n\t\tthis.filesChange.emit(newFiles);\n\t}\n\n\tonDragOver(event) {\n\t\tevent.stopPropagation();\n\t\tevent.preventDefault();\n\t\tif (this.disabled) {\n\t\t\treturn;\n\t\t}\n\t\tthis.dragOver = true;\n\t}\n\n\tonDragLeave(event) {\n\t\tevent.stopPropagation();\n\t\tevent.preventDefault();\n\t\tthis.dragOver = false;\n\t}\n\n\tonDrop(event) {\n\t\tevent.stopPropagation();\n\t\tevent.preventDefault();\n\t\tif (this.disabled) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst transferredFiles: Array<File> = Array.from(event.dataTransfer.files);\n\t\tconst newFiles = new Set<FileItem>(this.files);\n\n\t\ttransferredFiles.filter(({ name, type }) => {\n\t\t\t// Get the file extension and add a \".\" to the beginning.\n\t\t\tconst fileExtension = name.split(\".\").pop().replace(/^/, \".\");\n\t\t\t// Check if the accept array contains the mime type or extension of the file.\n\t\t\treturn this.accept.includes(type) || this.accept.includes(fileExtension) || !this.accept.length;\n\t\t}).forEach(file => {\n\t\t\tif (!newFiles.size || this.multiple) {\n\t\t\t\tconst fileItem = this.createFileItem(file);\n\t\t\t\tnewFiles.add(fileItem);\n\t\t\t}\n\t\t});\n\n\t\tthis.value = newFiles;\n\t\tthis.filesChange.emit(newFiles);\n\t\tthis.dragOver = false;\n\t}\n\n\tremoveFile(fileItem) {\n\t\t// Deleting an item from this.files removes the <ibm-file> component,\n\t\t// which triggers its ngOnDestroy(), which fires the (remove) event again.\n\t\t// So, (remove) may double-fire and we need to handle it here.\n\t\tif (this.files && this.files.has(fileItem)) {\n\t\t\tconst newFiles = new Set<FileItem>(this.files);\n\t\t\tnewFiles.delete(fileItem);\n\t\t\tthis.filesChange.emit(newFiles);\n\t\t\tthis.value = newFiles;\n\t\t}\n\t\tthis.fileInput.nativeElement.value = \"\";\n\t}\n\n\tpublic isTemplate(value) {\n\t\treturn value instanceof TemplateRef;\n\t}\n\n\t/**\n\t * Registers the injected function to control the touch use of the `FileUploader`.\n\t */\n\tregisterOnTouched(fn: any) {\n\t\tthis.onTouchedCallback = fn;\n\t}\n\t/**\n\t * Sets a method in order to propagate changes back to the form.\n\t */\n\tregisterOnChange(fn: any) {\n\t\tthis.onChangeCallback = fn;\n\t}\n\n\t/**\n\t * `ControlValueAccessor` method to programmatically disable the checkbox.\n\t *\n\t * ex: `this.formGroup.get(\"myFileUploader\").disable();`\n\t *\n\t * @param isDisabled `true` to disable the file uploader\n\t */\n\tsetDisabledState(isDisabled: boolean) {\n\t\tthis.disabled = isDisabled;\n\t}\n}\n"]}