@dllcn/ngx-clipboard
Version:
290 lines • 22.1 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Inject, Injectable, Optional } from '@angular/core';
import { DOCUMENT } from '@angular/common';
import { WINDOW } from 'ngx-window-token';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
import * as i2 from "ngx-window-token";
// The following code is heavily copy from https://github.com/zenorocha/clipboard.js
var ClipboardService = /** @class */ (function () {
function ClipboardService(document, window) {
this.document = document;
this.window = window;
this.copySubject = new Subject();
this.copyResponse$ = this.copySubject.asObservable();
}
Object.defineProperty(ClipboardService.prototype, "isSupported", {
get: /**
* @return {?}
*/
function () {
return !!this.document.queryCommandSupported && !!this.document.queryCommandSupported('copy') && !!this.window;
},
enumerable: true,
configurable: true
});
/**
* @param {?} element
* @return {?}
*/
ClipboardService.prototype.isTargetValid = /**
* @param {?} element
* @return {?}
*/
function (element) {
if (element instanceof HTMLInputElement || element instanceof HTMLTextAreaElement) {
if (element.hasAttribute('disabled')) {
throw new Error('Invalid "target" attribute. Please use "readonly" instead of "disabled" attribute');
}
return true;
}
throw new Error('Target should be input or textarea');
};
/**
* copyFromInputElement
*/
/**
* copyFromInputElement
* @param {?} targetElm
* @return {?}
*/
ClipboardService.prototype.copyFromInputElement = /**
* copyFromInputElement
* @param {?} targetElm
* @return {?}
*/
function (targetElm) {
try {
this.selectTarget(targetElm);
/** @type {?} */
var re = this.copyText();
this.clearSelection(targetElm, this.window);
return re && this.isCopySuccessInIE11();
}
catch (error) {
return false;
}
};
// this is for IE11 return true even if copy fail
// this is for IE11 return true even if copy fail
/**
* @return {?}
*/
ClipboardService.prototype.isCopySuccessInIE11 =
// this is for IE11 return true even if copy fail
/**
* @return {?}
*/
function () {
/** @type {?} */
var clipboardData = this.window['clipboardData'];
if (clipboardData && clipboardData.getData) {
if (!clipboardData.getData('Text')) {
return false;
}
}
return true;
};
/**
* Creates a fake textarea element, sets its value from `text` property,
* and makes a selection on it.
*/
/**
* Creates a fake textarea element, sets its value from `text` property,
* and makes a selection on it.
* @param {?} content
* @param {?=} container
* @return {?}
*/
ClipboardService.prototype.copyFromContent = /**
* Creates a fake textarea element, sets its value from `text` property,
* and makes a selection on it.
* @param {?} content
* @param {?=} container
* @return {?}
*/
function (content, container) {
if (container === void 0) { container = this.window.document.body; }
// check if the temp textarea still belongs to the current container.
// In case we have multiple places using ngx-clipboard, one is in a modal using container but the other one is not.
if (this.tempTextArea && !container.contains(this.tempTextArea)) {
this.destroy(this.tempTextArea.parentElement);
}
if (!this.tempTextArea) {
this.tempTextArea = this.createTempTextArea(this.document, this.window);
try {
container.appendChild(this.tempTextArea);
}
catch (error) {
throw new Error('Container should be a Dom element');
}
}
this.tempTextArea.value = content;
return this.copyFromInputElement(this.tempTextArea);
};
// remove temporary textarea if any
// remove temporary textarea if any
/**
* @param {?=} container
* @return {?}
*/
ClipboardService.prototype.destroy =
// remove temporary textarea if any
/**
* @param {?=} container
* @return {?}
*/
function (container) {
if (container === void 0) { container = this.window.document.body; }
if (this.tempTextArea) {
container.removeChild(this.tempTextArea);
// removeChild doesn't remove the reference from memory
this.tempTextArea = undefined;
}
};
// select the target html input element
// select the target html input element
/**
* @private
* @param {?} inputElement
* @return {?}
*/
ClipboardService.prototype.selectTarget =
// select the target html input element
/**
* @private
* @param {?} inputElement
* @return {?}
*/
function (inputElement) {
inputElement.select();
inputElement.setSelectionRange(0, inputElement.value.length);
return inputElement.value.length;
};
/**
* @private
* @return {?}
*/
ClipboardService.prototype.copyText = /**
* @private
* @return {?}
*/
function () {
return this.document.execCommand('copy');
};
// Moves focus away from `target` and back to the trigger, removes current selection.
// Moves focus away from `target` and back to the trigger, removes current selection.
/**
* @private
* @param {?} inputElement
* @param {?} window
* @return {?}
*/
ClipboardService.prototype.clearSelection =
// Moves focus away from `target` and back to the trigger, removes current selection.
/**
* @private
* @param {?} inputElement
* @param {?} window
* @return {?}
*/
function (inputElement, window) {
// tslint:disable-next-line:no-unused-expression
inputElement && inputElement.focus();
window.getSelection().removeAllRanges();
};
// create a fake textarea for copy command
// create a fake textarea for copy command
/**
* @private
* @param {?} doc
* @param {?} window
* @return {?}
*/
ClipboardService.prototype.createTempTextArea =
// create a fake textarea for copy command
/**
* @private
* @param {?} doc
* @param {?} window
* @return {?}
*/
function (doc, window) {
/** @type {?} */
var isRTL = doc.documentElement.getAttribute('dir') === 'rtl';
/** @type {?} */
var ta;
ta = doc.createElement('textarea');
// Prevent zooming on iOS
ta.style.fontSize = '12pt';
// Reset box model
ta.style.border = '0';
ta.style.padding = '0';
ta.style.margin = '0';
// Move element out of screen horizontally
ta.style.position = 'absolute';
ta.style[isRTL ? 'right' : 'left'] = '-9999px';
// Move element to the same position vertically
/** @type {?} */
var yPosition = window.pageYOffset || doc.documentElement.scrollTop;
ta.style.top = yPosition + 'px';
ta.setAttribute('readonly', '');
return ta;
};
/**
* Pushes copy operation response to copySubject, to provide global access
* to the response.
*/
/**
* Pushes copy operation response to copySubject, to provide global access
* to the response.
* @param {?} response
* @return {?}
*/
ClipboardService.prototype.pushCopyReponse = /**
* Pushes copy operation response to copySubject, to provide global access
* to the response.
* @param {?} response
* @return {?}
*/
function (response) {
this.copySubject.next(response);
};
ClipboardService.decorators = [
{ type: Injectable, args: [{ providedIn: 'root' },] }
];
/** @nocollapse */
ClipboardService.ctorParameters = function () { return [
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [WINDOW,] }] }
]; };
/** @nocollapse */ ClipboardService.ngInjectableDef = i0.defineInjectable({ factory: function ClipboardService_Factory() { return new ClipboardService(i0.inject(i1.DOCUMENT), i0.inject(i2.WINDOW, 8)); }, token: ClipboardService, providedIn: "root" });
return ClipboardService;
}());
export { ClipboardService };
if (false) {
/**
* @type {?}
* @private
*/
ClipboardService.prototype.tempTextArea;
/**
* @type {?}
* @private
*/
ClipboardService.prototype.copySubject;
/** @type {?} */
ClipboardService.prototype.copyResponse$;
/** @type {?} */
ClipboardService.prototype.document;
/**
* @type {?}
* @private
*/
ClipboardService.prototype.window;
}
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{ Inject, Injectable, Optional } from '@angular/core';\nimport { DOCUMENT } from '@angular/common';\nimport { WINDOW } from 'ngx-window-token';\nimport { Subject, Observable } from 'rxjs';\nimport { IClipboardResponse } from './interface';\n\n// The following code is heavily copy from https://github.com/zenorocha/clipboard.js\n\n@Injectable({ providedIn: 'root' })\nexport class ClipboardService {\n    private tempTextArea: HTMLTextAreaElement | undefined;\n\n    private copySubject = new Subject<IClipboardResponse>();\n    public copyResponse$: Observable<IClipboardResponse> = this.copySubject.asObservable();\n\n    constructor(\n        @Inject(DOCUMENT) public document: any,\n        @Optional() @Inject(WINDOW) private window: any\n    ) {}\n\n    public get isSupported(): boolean {\n        return !!this.document.queryCommandSupported && !!this.document.queryCommandSupported('copy') && !!this.window;\n    }\n\n    public isTargetValid(element: HTMLInputElement | HTMLTextAreaElement): boolean {\n        if (element instanceof HTMLInputElement || element instanceof HTMLTextAreaElement) {\n            if (element.hasAttribute('disabled')) {\n                throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n            }\n            return true;\n        }\n        throw new Error('Target should be input or textarea');\n    }\n\n    /**\n     * copyFromInputElement\n     */\n    public copyFromInputElement(targetElm: HTMLInputElement | HTMLTextAreaElement): boolean {\n        try {\n            this.selectTarget(targetElm);\n            const re = this.copyText();\n            this.clearSelection(targetElm, this.window);\n            return re && this.isCopySuccessInIE11();\n        } catch (error) {\n            return false;\n        }\n    }\n\n    // this is for IE11 return true even if copy fail\n    isCopySuccessInIE11() {\n        const clipboardData = this.window['clipboardData'];\n        if (clipboardData && clipboardData.getData) {\n            if (!clipboardData.getData('Text')) {\n                return false;\n            }\n        }\n        return true;\n    }\n\n    /**\n     * Creates a fake textarea element, sets its value from `text` property,\n     * and makes a selection on it.\n     */\n    public copyFromContent(content: string, container: HTMLElement = this.window.document.body) {\n        // check if the temp textarea still belongs to the current container.\n        // In case we have multiple places using ngx-clipboard, one is in a modal using container but the other one is not.\n        if (this.tempTextArea && !container.contains(this.tempTextArea)) {\n            this.destroy(this.tempTextArea.parentElement);\n        }\n\n        if (!this.tempTextArea) {\n            this.tempTextArea = this.createTempTextArea(this.document, this.window);\n            try {\n                container.appendChild(this.tempTextArea);\n            } catch (error) {\n                throw new Error('Container should be a Dom element');\n            }\n        }\n        this.tempTextArea.value = content;\n        return this.copyFromInputElement(this.tempTextArea);\n    }\n\n    // remove temporary textarea if any\n    public destroy(container: HTMLElement = this.window.document.body) {\n        if (this.tempTextArea) {\n            container.removeChild(this.tempTextArea);\n            // removeChild doesn't remove the reference from memory\n            this.tempTextArea = undefined;\n        }\n    }\n\n    // select the target html input element\n    private selectTarget(inputElement: HTMLInputElement | HTMLTextAreaElement): number | undefined {\n        inputElement.select();\n        inputElement.setSelectionRange(0, inputElement.value.length);\n        return inputElement.value.length;\n    }\n\n    private copyText(): boolean {\n        return this.document.execCommand('copy');\n    }\n    // Moves focus away from `target` and back to the trigger, removes current selection.\n    private clearSelection(inputElement: HTMLInputElement | HTMLTextAreaElement, window: Window) {\n        // tslint:disable-next-line:no-unused-expression\n        inputElement && inputElement.focus();\n        window.getSelection().removeAllRanges();\n    }\n\n    // create a fake textarea for copy command\n    private createTempTextArea(doc: Document, window: Window): HTMLTextAreaElement {\n        const isRTL = doc.documentElement.getAttribute('dir') === 'rtl';\n        let ta: HTMLTextAreaElement;\n        ta = doc.createElement('textarea');\n        // Prevent zooming on iOS\n        ta.style.fontSize = '12pt';\n        // Reset box model\n        ta.style.border = '0';\n        ta.style.padding = '0';\n        ta.style.margin = '0';\n        // Move element out of screen horizontally\n        ta.style.position = 'absolute';\n        ta.style[isRTL ? 'right' : 'left'] = '-9999px';\n        // Move element to the same position vertically\n        const yPosition = window.pageYOffset || doc.documentElement.scrollTop;\n        ta.style.top = yPosition + 'px';\n        ta.setAttribute('readonly', '');\n        return ta;\n    }\n\n    /**\n     * Pushes copy operation response to copySubject, to provide global access\n     * to the response.\n     */\n    public pushCopyReponse(response: IClipboardResponse) {\n        this.copySubject.next(response);\n    }\n}\n"]}