ng-devui
Version:
DevUI components based on Angular
1,148 lines (1,141 loc) • 153 kB
JavaScript
import * as i1 from '@angular/common';
import { DOCUMENT, CommonModule } from '@angular/common';
import * as i0 from '@angular/core';
import { ElementRef, Injectable, Inject, EventEmitter, Component, Directive, Input, Optional, Self, HostBinding, Output, QueryList, HostListener, NgModule } from '@angular/core';
import { Subject, Subscription, fromEvent, BehaviorSubject, merge } from 'rxjs';
import * as i1$1 from 'ng-devui/overlay-container';
import { debounceTime, tap, throttleTime, filter, distinctUntilChanged } from 'rxjs/operators';
class Utils {
/**
* Polyfill for element.matches.
* See: https://developer.mozilla.org/en/docs/Web/API/Element/matches#Polyfill
* element
*/
static matches(element, selectorName) {
const proto = Element.prototype;
const func = proto.matches ||
proto.matchesSelector ||
proto.mozMatchesSelector ||
proto.msMatchesSelector ||
proto.oMatchesSelector ||
proto.webkitMatchesSelector ||
function (s) {
const matches = (this.document || this.ownerDocument).querySelectorAll(s);
let i = matches.length;
while (--i >= 0 && matches.item(i) !== this) {
// do nothing
}
return i > -1;
};
return func.call(element, selectorName);
}
/**
* Applies the specified css class on nativeElement
* elementRef
* className
*/
static addClass(elementRef, className) {
if (className === undefined) {
return;
}
const e = this.getElementWithValidClassList(elementRef);
if (e) {
e.classList.add(className);
}
}
/**
* Removes the specified class from nativeElement
* elementRef
* className
*/
static removeClass(elementRef, className) {
if (className === undefined) {
return;
}
const e = this.getElementWithValidClassList(elementRef);
if (e) {
e.classList.remove(className);
}
}
/**
* Gets element with valid classList
*
* elementRef
* @returns ElementRef | null
*/
static getElementWithValidClassList(elementRef) {
const e = elementRef instanceof ElementRef ? elementRef.nativeElement : elementRef;
if (e.classList !== undefined && e.classList !== null) {
return e;
}
return null;
}
static slice(args, slice, sliceEnd) {
const ret = [];
let len = args.length;
if (len === 0) {
return ret;
}
const start = slice < 0 ? Math.max(0, slice + len) : slice || 0;
if (sliceEnd !== undefined) {
len = sliceEnd < 0 ? sliceEnd + len : sliceEnd;
}
while (len-- > start) {
ret[len - start] = args[len];
}
return ret;
}
// 动态添加styles
static addElStyles(el, styles) {
if (styles instanceof Object) {
for (const s in styles) {
if (Object.prototype.hasOwnProperty.call(styles, s)) {
if (Array.isArray(styles[s])) {
// 用于支持兼容渐退
styles[s].forEach((val) => {
el.style[s] = val;
});
}
else {
el.style[s] = styles[s];
}
}
}
}
}
static dispatchEventToUnderElement(event, target, eventType) {
const up = target || event.target;
up.style.display = 'none';
const { x, y } = { x: event.clientX, y: event.clientY };
const under = document.elementFromPoint(x, y);
up.style.display = '';
if (!under) {
return event;
}
const ev = document.createEvent('DragEvent');
ev.initMouseEvent(eventType || event.type, true, true, window, 0, event.screenX, event.screenY, event.clientX, event.clientY, event.ctrlKey, event.altKey, event.shiftKey, event.metaKey, event.button, event.relatedTarget);
if (ev.dataTransfer !== null) {
ev.dataTransfer.setData('text', '');
ev.dataTransfer.effectAllowed = event.dataTransfer.effectAllowed;
}
setTimeout(() => {
under.dispatchEvent(ev);
}, 0);
return event;
}
}
/**
* 2020.03.23-Modified from https://github.com/Bernardo-Castilho/dragdroptouch, license: MIT，reason:Converting .js file to .ts file
*/
class DragDropTouch {
static { this.THRESHOLD = 5; } // pixels to move before drag starts
static { this.OPACITY = 0.5; } // drag image opacity
static { this.DBLCLICK = 500; } // max ms between clicks in a double click
static { this.DRAG_OVER_TIME = 300; } // interval ms when drag over
static { this.CTX_MENU = 900; } // ms to hold before raising 'contextmenu' event
static { this.IS_PRESS_HOLD_MODE = true; } // decides of press & hold mode presence
static { this.PRESS_HOLD_AWAIT = 400; } // ms to wait before press & hold is detected
static { this.PRESS_HOLD_MARGIN = 25; } // pixels that finger might shiver while pressing
static { this.PRESS_HOLD_THRESHOLD = 0; } // pixels to move before drag starts
static { this.DRAG_HANDLE_ATTR = 'data-drag-handle-selector'; }
static { this.rmvAttrs = 'id,class,style,draggable'.split(','); }
static { this.kbdProps = 'altKey,ctrlKey,metaKey,shiftKey'.split(','); }
static { this.ptProps = 'pageX,pageY,clientX,clientY,screenX,screenY'.split(','); }
static { this.instance = null; }
constructor() {
this.lastClick = 0;
// ** event handlers
this.touchstart = (e) => {
if (this.shouldHandle(e)) {
// raise double-click and prevent zooming
if (Date.now() - this.lastClick < DragDropTouch.DBLCLICK) {
if (this.dispatchEvent(e, 'dblclick', e.target)) {
e.preventDefault();
this.reset();
return;
}
}
// clear all variables
this.reset();
// get nearest draggable element
const src = this.closestDraggable(e.target);
if (src) {
this.dragSource = src;
this.ptDown = this.getPoint(e);
this.lastTouch = e;
if (DragDropTouch.IS_PRESS_HOLD_MODE) {
this.pressHoldInterval = setTimeout(() => {
this.bindTouchmoveTouchend(e);
this.isDragEnabled = true;
this.touchmove(e);
}, DragDropTouch.PRESS_HOLD_AWAIT);
}
else {
e.preventDefault();
this.bindTouchmoveTouchend(e);
}
}
}
};
this.touchmoveOnDocument = (e) => {
if (this.shouldCancelPressHoldMove(e)) {
this.reset();
return;
}
};
this.touchmove = (e) => {
if (this.shouldCancelPressHoldMove(e)) {
this.reset();
return;
}
if (this.shouldHandleMove(e) || this.shouldHandlePressHoldMove(e)) {
const target = this.getTarget(e);
// start dragging
if (this.dragSource && !this.img && this.shouldStartDragging(e)) {
this.dispatchEvent(e, 'dragstart', this.dragSource);
this.createImage(e);
}
// continue dragging
if (this.img) {
this.clearDragoverInterval();
this.lastTouch = e;
e.preventDefault(); // prevent scrolling
if (target !== this.lastTarget) {
// according to drag drop implementation of the browser, dragenterB is supposed to fired before dragleaveA
this.dispatchEvent(e, 'dragenter', target);
this.dispatchEvent(this.lastTouch, 'dragleave', this.lastTarget);
this.lastTarget = target;
}
this.moveImage(e);
this.isDropZone = this.dispatchEvent(e, 'dragover', target);
// should continue dispatch dragover event when touch position stay still
this.setDragoverInterval(e);
}
}
};
this.touchendOnDocument = (e) => {
if (this.shouldHandle(e)) {
if (!this.img) {
this.dragSource = null;
this.lastClick = Date.now();
}
// finish dragging
this.destroyImage();
if (this.dragSource) {
this.reset();
}
}
};
this.touchend = (e) => {
if (this.shouldHandle(e)) {
// user clicked the element but didn't drag, so clear the source and simulate a click
if (!this.img) {
this.dragSource = null;
// browser will dispatch click event after trigger touchend, since touchstart didn't preventDefault
this.lastClick = Date.now();
}
// finish dragging
this.destroyImage();
if (this.dragSource) {
if (e.type.indexOf('cancel') < 0 && this.isDropZone) {
this.dispatchEvent(this.lastTouch, 'drop', this.lastTarget);
}
this.dispatchEvent(this.lastTouch, 'dragend', this.dragSource);
this.reset();
}
}
};
// enforce singleton pattern
if (DragDropTouch.instance) {
throw new Error('DragDropTouch instance already created.');
}
// detect passive event support
// https://github.com/Modernizr/Modernizr/issues/1894
let supportsPassive = false;
if (typeof document !== 'undefined') {
document.addEventListener('test', () => { }, {
get passive() {
supportsPassive = true;
return true;
},
});
// listen to touch events
if (DragDropTouch.isTouchDevice()) {
// 能响应触摸事件
const d = document;
const ts = this.touchstart;
const tmod = this.touchmoveOnDocument;
const teod = this.touchendOnDocument;
const opt = supportsPassive ? { passive: false, capture: false } : false;
const optPassive = supportsPassive ? { passive: true } : false;
d.addEventListener('touchstart', ts, opt);
d.addEventListener('touchmove', tmod, optPassive);
d.addEventListener('touchend', teod);
d.addEventListener('touchcancel', teod);
this.touchmoveListener = this.touchmove;
this.touchendListener = this.touchend;
this.listenerOpt = opt;
}
}
}
/**
* Gets a reference to the @see:DragDropTouch singleton.
*/
static getInstance() {
if (!DragDropTouch.instance) {
DragDropTouch.instance = new DragDropTouch();
}
return DragDropTouch.instance;
}
static isTouchDevice() {
if (typeof window === 'undefined' || typeof document === 'undefined') {
return false;
}
const d = document;
const w = window;
let bool;
if ('ontouchstart' in d || // normal mobile device
'ontouchstart' in w ||
navigator.maxTouchPoints > 0 ||
navigator.msMaxTouchPoints > 0 ||
(window.DocumentTouch && document instanceof window.DocumentTouch)) {
bool = true;
}
else {
const fakeBody = document.createElement('fakebody');
fakeBody.innerHTML += `
<style>
@media (touch-enabled),(-webkit-touch-enabled),(-moz-touch-enabled),(-o-touch-enabled){
#touch_test {
top: 42px;
position: absolute;
}
}
</style>`;
document.documentElement.appendChild(fakeBody);
const touchTestNode = document.createElement('div');
touchTestNode.id = 'touch_test';
fakeBody.appendChild(touchTestNode);
bool = touchTestNode.offsetTop === 42;
fakeBody.parentElement.removeChild(fakeBody);
}
return bool;
}
// ** event listener binding
bindTouchmoveTouchend(e) {
this.touchTarget = e.target;
e.target.addEventListener('touchmove', this.touchmoveListener, this.listenerOpt);
e.target.addEventListener('touchend', this.touchendListener);
e.target.addEventListener('touchcancel', this.touchendListener);
}
removeTouchmoveTouchend() {
if (this.touchTarget) {
this.touchTarget.removeEventListener('touchmove', this.touchmoveListener);
this.touchTarget.removeEventListener('touchend', this.touchendListener);
this.touchTarget.removeEventListener('touchcancel', this.touchendListener);
this.touchTarget = undefined;
}
}
// ** utilities
// ignore events that have been handled or that involve more than one touch
shouldHandle(e) {
return e && !e.defaultPrevented && e.touches && e.touches.length < 2;
}
// use regular condition outside of press & hold mode
shouldHandleMove(e) {
return !DragDropTouch.IS_PRESS_HOLD_MODE && this.shouldHandle(e);
}
// allow to handle moves that involve many touches for press & hold
shouldHandlePressHoldMove(e) {
return DragDropTouch.IS_PRESS_HOLD_MODE && this.isDragEnabled && e && e.touches && e.touches.length;
}
// reset data if user drags without pressing & holding
shouldCancelPressHoldMove(e) {
return DragDropTouch.IS_PRESS_HOLD_MODE && !this.isDragEnabled && this.getDelta(e) > DragDropTouch.PRESS_HOLD_MARGIN;
}
// start dragging when mouseover element matches drag handler selector and specified delta is detected
shouldStartDragging(e) {
const dragHandleSelector = this.getDragHandle();
// start dragging when mouseover element matches drag handler selector
if (dragHandleSelector && !this.matchSelector(e.target, dragHandleSelector)) {
return false;
}
// start dragging when specified delta is detected
const delta = this.getDelta(e);
return delta > DragDropTouch.THRESHOLD || (DragDropTouch.IS_PRESS_HOLD_MODE && delta >= DragDropTouch.PRESS_HOLD_THRESHOLD);
}
// find drag handler selector for dragstart only with partial element
getDragHandle() {
if (this.dragSource) {
return this.dragSource.getAttribute(DragDropTouch.DRAG_HANDLE_ATTR) || '';
}
return '';
}
// test if element matches selector
matchSelector(element, selector) {
if (selector) {
const proto = Element.prototype;
const func = proto.matches ||
proto.matchesSelector ||
proto.mozMatchesSelector ||
proto.msMatchesSelector ||
proto.oMatchesSelector ||
proto.webkitMatchesSelector ||
function (s) {
const matches = (this.document || this.ownerDocument).querySelectorAll(s);
let i = matches.length;
while (--i >= 0 && matches.item(i) !== this) {
// do nothing
}
return i > -1;
};
return func.call(element, selector);
}
return true;
}
// clear all members
reset() {
this.removeTouchmoveTouchend();
this.destroyImage();
this.dragSource = null;
this.lastTouch = null;
this.lastTarget = null;
this.ptDown = null;
this.isDragEnabled = false;
this.isDropZone = false;
this.dataTransfer = new DragDropTouch.DataTransfer();
clearInterval(this.pressHoldInterval);
this.clearDragoverInterval();
}
// get point for a touch event
getPoint(e, page) {
if (e && e.touches) {
e = e.touches[0];
}
return { x: page ? e.pageX : e.clientX, y: page ? e.pageY : e.clientY };
}
// get distance between the current touch event and the first one
getDelta(e) {
if (DragDropTouch.IS_PRESS_HOLD_MODE && !this.ptDown) {
return 0;
}
const p = this.getPoint(e);
return Math.abs(p.x - this.ptDown.x) + Math.abs(p.y - this.ptDown.y);
}
// get the element at a given touch event
getTarget(e) {
const pt = this.getPoint(e);
let el = document.elementFromPoint(pt.x, pt.y);
while (el && getComputedStyle(el).pointerEvents === 'none') {
el = el.parentElement;
}
return el;
}
// create drag image from source element
createImage(e) {
// just in case...
if (this.img) {
this.destroyImage();
}
// create drag image from custom element or drag source
const src = this.imgCustom || this.dragSource;
this.img = src.cloneNode(true);
this.copyStyle(src, this.img);
this.img.style.top = this.img.style.left = '-9999px';
// if creating from drag source, apply offset and opacity
if (!this.imgCustom) {
const rc = src.getBoundingClientRect();
const pt = this.getPoint(e);
this.imgOffset = { x: pt.x - rc.left, y: pt.y - rc.top };
this.img.style.opacity = DragDropTouch.OPACITY.toString();
}
// add image to document
this.moveImage(e);
document.body.appendChild(this.img);
}
// dispose of drag image element
destroyImage() {
if (this.img && this.img.parentElement) {
this.img.parentElement.removeChild(this.img);
}
this.img = null;
this.imgCustom = null;
}
// move the drag image element
moveImage(e) {
requestAnimationFrame(() => {
if (this.img) {
const pt = this.getPoint(e, true);
const s = this.img.style;
s.position = 'absolute';
s.pointerEvents = 'none';
s.zIndex = '999999';
s.left = Math.round(pt.x - this.imgOffset.x) + 'px';
s.top = Math.round(pt.y - this.imgOffset.y) + 'px';
}
});
}
// copy properties from an object to another
copyProps(dst, src, props) {
for (let i = 0; i < props.length; i++) {
const p = props[i];
dst[p] = src[p];
}
}
// copy styles/attributes from drag source to drag image element
copyStyle(src, dst) {
// remove potentially troublesome attributes
DragDropTouch.rmvAttrs.forEach((att) => dst.removeAttribute(att));
// copy canvas content
if (src instanceof HTMLCanvasElement) {
const canSrc = src;
const canDst = dst;
canDst.width = canSrc.width;
canDst.height = canSrc.height;
canDst.getContext('2d').drawImage(canSrc, 0, 0);
}
// copy canvas content for nested canvas element
const srcCanvases = src.querySelectorAll('canvas');
if (srcCanvases.length > 0) {
const dstCanvases = dst.querySelectorAll('canvas');
for (let i = 0; i < dstCanvases.length; i++) {
const cSrc = srcCanvases[i];
const cDst = dstCanvases[i];
cDst.getContext('2d').drawImage(cSrc, 0, 0);
}
}
// copy style (without transitions)
const cs = getComputedStyle(src);
for (let i = 0; i < cs.length; i++) {
const key = cs[i];
if (key.indexOf('transition') < 0) {
dst.style[key] = cs[key];
}
}
dst.style.pointerEvents = 'none';
// and repeat for all children
for (let i = 0; i < src.children.length; i++) {
this.copyStyle(src.children[i], dst.children[i]);
}
}
// synthesize and dispatch an event
// returns true if the event has been handled (e.preventDefault == true)
dispatchEvent(e, type, target) {
if (e && target) {
const evt = document.createEvent('Event');
const t = e.touches ? e.touches[0] : e;
evt.initEvent(type, true, true);
const obj = {
button: 0,
which: 0,
buttons: 1,
dataTransfer: this.dataTransfer,
};
this.copyProps(evt, e, DragDropTouch.kbdProps);
this.copyProps(evt, t, DragDropTouch.ptProps);
this.copyProps(evt, { fromTouch: true }, ['fromTouch']); // mark as from touch event
this.copyProps(evt, obj, Object.keys(obj));
target.dispatchEvent(evt);
return evt.defaultPrevented;
}
return false;
}
// gets an element's closest draggable ancestor
closestDraggable(e) {
for (; e; e = e.parentElement) {
if (e.hasAttribute('draggable') && e.draggable) {
return e;
}
}
return null;
}
// repeat dispatch dragover event when touch point stay still
setDragoverInterval(e) {
this.dragoverTimer = setInterval(() => {
const target = this.getTarget(e);
if (target !== this.lastTarget) {
this.dispatchEvent(e, 'dragenter', target);
this.dispatchEvent(e, 'dragleave', this.lastTarget);
this.lastTarget = target;
}
this.isDropZone = this.dispatchEvent(e, 'dragover', target);
}, DragDropTouch.DRAG_OVER_TIME);
}
clearDragoverInterval() {
if (this.dragoverTimer) {
clearInterval(this.dragoverTimer);
this.dragoverTimer = undefined;
}
}
}
/* eslint-disable-next-line @typescript-eslint/no-namespace */
(function (DragDropTouch) {
/**
* Object used to hold the data that is being dragged during drag and drop operations.
*
* It may hold one or more data items of different types. For more information about
* drag and drop operations and data transfer objects, see
* <a href="https://developer.mozilla.org/en-US/docs/Web/API/DataTransfer">HTML Drag and Drop API</a>.
*
* This object is created automatically by the @see:DragDropTouch singleton and is
* accessible through the @see:dataTransfer property of all drag events.
*/
class DataTransfer {
get dropEffect() {
return this._dropEffect;
}
set dropEffect(value) {
this._dropEffect = value;
}
get effectAllowed() {
return this._effectAllowed;
}
set effectAllowed(value) {
this._effectAllowed = value;
}
get types() {
return Object.keys(this._data);
}
constructor() {
this._dropEffect = 'move';
this._effectAllowed = 'all';
this._data = {};
}
/**
* Removes the data associated with a given type.
*
* The type argument is optional. If the type is empty or not specified, the data
* associated with all types is removed. If data for the specified type does not exist,
* or the data transfer contains no data, this method will have no effect.
*
* @param type Type of data to remove.
*/
clearData(type) {
if (type !== null) {
delete this._data[type];
}
else {
this._data = null;
}
}
/**
* Retrieves the data for a given type, or an empty string if data for that type does
* not exist or the data transfer contains no data.
*
* @param type Type of data to retrieve.
*/
getData(type) {
return this._data[type] || '';
}
/**
* Set the data for a given type.
*
* For a list of recommended drag types, please see
* https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Recommended_Drag_Types.
*
* @param type Type of data to add.
* @param value Data to add.
*/
setData(type, value) {
this._data[type] = value;
}
/**
* Set the image to be used for dragging if a custom one is desired.
*
* @param img An image element to use as the drag feedback image.
* @param offsetX The horizontal offset within the image.
* @param offsetY The vertical offset within the image.
*/
setDragImage(img, offsetX, offsetY) {
const ddt = DragDropTouch.getInstance();
ddt.imgCustom = img;
ddt.imgOffset = { x: offsetX, y: offsetY };
}
}
DragDropTouch.DataTransfer = DataTransfer;
})(DragDropTouch || (DragDropTouch = {}));
class DragDropService {
constructor(ngZone, doc) {
this.ngZone = ngZone;
this.doc = doc;
this.dropTargets = [];
this.dropEvent = new Subject();
this.dragEndEvent = new Subject();
this.dragStartEvent = new Subject();
this.subscription = new Subscription();
this.dragEmptyImage = new Image();
this.dragItemParentName = '';
this.dragItemChildrenName = '';
this.intersectionObserver = null;
/* 协同拖拽需要 */
this.dragElShowHideEvent = new Subject();
this.followMouse4CloneNode = (event) => {
const { offsetLeft, offsetTop } = this.dragOffset;
const { clientX, clientY } = event;
requestAnimationFrame(() => {
if (!this.dragCloneNode) {
return;
}
this.dragCloneNode.style.left = clientX - offsetLeft + 'px';
this.dragCloneNode.style.top = clientY - offsetTop + 'px';
});
};
this.touchInstance = DragDropTouch.getInstance();
// service not support OnInit, only support OnDestroy, so write in constructor
// safari的img必须要有src
this.dragEmptyImage.src =
'data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQImWNgYGBgAAAABQABh6FO1AAAAABJRU5ErkJggg==';
this.document = this.doc;
}
newSubscription() {
this.subscription.unsubscribe();
// eslint-disable-next-line no-return-assign
return (this.subscription = new Subscription());
}
enableDraggedCloneNodeFollowMouse() {
if (!this.dragCloneNode) {
this.dragItemContainer = this.draggedEl.parentElement;
if (this.dragPreviewDirective && this.dragPreviewDirective.dragPreviewTemplate) {
this.dragPreviewDirective.createPreview();
this.dragCloneNode = this.dragPreviewDirective.getPreviewElement();
this.dragItemContainer = this.document.body;
}
else {
this.dragCloneNode = this.draggedEl.cloneNode(true);
}
this.dragCloneNode.style.margin = '0';
if (this.dragFollowOptions && this.dragFollowOptions.appendToBody) {
this.dragItemContainer = this.document.body;
this.copyStyle(this.draggedEl, this.dragCloneNode);
}
if (this.dragItemChildrenName !== '') {
const parentElement = this.dragItemParentName === '' ? this.dragCloneNode : this.document.querySelector(this.dragItemParentName);
const dragItemChildren = parentElement.querySelectorAll(this.dragItemChildrenName);
this.interceptChildNode(parentElement, dragItemChildren);
}
// 拷贝canvas的内容
const originCanvasArr = this.draggedEl.querySelectorAll('canvas');
const targetCanvasArr = this.dragCloneNode.querySelectorAll('canvas');
[].forEach.call(targetCanvasArr, (canvas, index) => {
canvas.getContext('2d').drawImage(originCanvasArr[index], 0, 0);
});
this.ngZone.runOutsideAngular(() => {
this.document.addEventListener('dragover', this.followMouse4CloneNode, { capture: true, passive: true });
});
this.dragCloneNode.style.width = this.dragOffset.width + 'px';
this.dragCloneNode.style.height = this.dragOffset.height + 'px';
if (!(this.dragPreviewDirective &&
this.dragPreviewDirective.dragPreviewTemplate &&
this.dragPreviewDirective.dragPreviewOptions &&
this.dragPreviewDirective.dragPreviewOptions.skipBatchPreview)) {
// 批量拖拽样式
if (this.batchDragging && this.batchDragData && this.batchDragData.length > 1) {
// 创建一个节点容器
const node = this.document.createElement('div');
node.appendChild(this.dragCloneNode);
node.classList.add('batch-dragged-node');
/* 计数样式定位 */
if (this.batchDragStyle && this.batchDragStyle.length && this.batchDragStyle.indexOf('badge') > -1) {
const badge = this.document.createElement('div');
badge.innerText = String(this.batchDragData.length);
badge.classList.add('batch-dragged-node-count');
node.style.position = 'relative';
const style = {
position: 'absolute',
right: '5px',
top: '-12px',
height: '24px',
width: '24px',
borderRadius: '12px',
fontSize: '14px',
lineHeight: '24px',
textAlign: 'center',
color: '#fff',
background: ['#5170ff', 'var(--brand-1, #5170ff)'],
};
Utils.addElStyles(badge, style);
node.appendChild(badge);
}
/* 层叠感样式定位 */
if (this.batchDragStyle && this.batchDragStyle.length && this.batchDragStyle.indexOf('stack') > -1) {
let stack = 2;
if (this.batchDragData.length === 2) {
stack = 1;
}
for (let i = 0; i < stack; i++) {
const stackNode = this.dragCloneNode.cloneNode(false);
const stackStyle = {
position: 'absolute',
left: -5 * (i + 1) + 'px',
top: -5 * (i + 1) + 'px',
zIndex: String(-(i + 1)),
width: this.dragOffset.width + 'px',
height: this.dragOffset.height + 'px',
background: '#fff',
border: ['1px solid #5170ff', '1px solid var(--brand-1, #5170ff)'],
};
Utils.addElStyles(stackNode, stackStyle);
node.appendChild(stackNode);
}
}
this.dragCloneNode = node;
}
}
this.dragCloneNode.classList.add('drag-clone-node');
if (!(this.dragPreviewDirective && this.dragPreviewDirective.dragPreviewTemplate)) {
this.dragCloneNode.style.width = this.dragOffset.width + 'px';
this.dragCloneNode.style.height = this.dragOffset.height + 'px';
}
this.dragCloneNode.style.position = 'fixed';
this.dragCloneNode.style.zIndex = '1090';
this.dragCloneNode.style.pointerEvents = 'none';
this.dragCloneNode.style.top = this.dragOffset.top + 'px';
this.dragCloneNode.style.left = this.dragOffset.left + 'px';
this.dragCloneNode.style.willChange = 'left, top';
this.dragItemContainer.appendChild(this.dragCloneNode);
this.ngZone.runOutsideAngular(() => {
setTimeout(() => {
if (this.draggedEl) {
this.draggedEl.style.display = 'none';
this.dragElShowHideEvent.next(false);
if (this.dragOriginPlaceholder) {
this.dragOriginPlaceholder.style.display = 'block';
}
}
});
});
}
}
disableDraggedCloneNodeFollowMouse() {
if (this.dragCloneNode) {
this.document.removeEventListener('dragover', this.followMouse4CloneNode, { capture: true });
this.dragItemContainer.removeChild(this.dragCloneNode);
this.draggedEl.style.display = '';
this.dragElShowHideEvent.next(true);
}
if (this.dragPreviewDirective && this.dragPreviewDirective.dragPreviewTemplate) {
this.dragPreviewDirective.destroyPreview();
}
this.dragCloneNode = undefined;
this.dragItemContainer = undefined;
if (this.intersectionObserver) {
this.intersectionObserver.disconnect();
}
}
interceptChildNode(parentNode, childNodeList) {
const interceptOptions = {
root: parentNode,
};
this.intersectionObserver = new IntersectionObserver(this.setChildNodeHide, interceptOptions);
[].forEach.call(childNodeList, (childNode) => {
this.intersectionObserver.observe(childNode);
});
}
setChildNodeHide(entries) {
entries.forEach((element) => {
const { isIntersecting, target: childNode } = element;
if (isIntersecting) {
childNode.style.display = 'block';
}
else {
childNode.style.display = 'none';
}
});
}
getBatchDragData(identity, order = 'draggedElFirst') {
const result = this.batchDragData.map((dragData) => dragData.dragData);
if (typeof order === 'function') {
result.sort(order);
}
else if (order === 'draggedElFirst') {
let dragData = this.dragData;
if (identity) {
const realDragData = this.batchDragData.filter((dd) => dd.identity === identity).pop().dragData;
dragData = realDragData;
}
result.splice(result.indexOf(dragData), 1);
result.splice(0, 0, dragData);
}
return result;
}
/** usage:
* constructor(..., private dragDropService: DragDropService) {}
* cleanBatchDragData() { this.dragDropService.cleanBatchDragData(); }
*/
cleanBatchDragData() {
const batchDragData = this.batchDragData;
if (this.batchDragData) {
this.batchDragData
.filter((dragData) => dragData.draggable)
.map((dragData) => dragData.draggable)
.forEach((draggable) => {
draggable.batchDraggable.dragData = undefined;
});
this.batchDragData = undefined;
this.batchDragGroup = undefined;
}
return batchDragData;
}
copyStyle(source, target) {
['id', 'class', 'style', 'draggable'].forEach((att) => {
target.removeAttribute(att);
});
// copy style (without transitions)
const computedStyle = getComputedStyle(source);
for (let i = 0; i < computedStyle.length; i++) {
const key = computedStyle[i];
if (key.indexOf('transition') < 0) {
target.style[key] = computedStyle[key];
}
}
target.style.pointerEvents = 'none';
// and repeat for all children
for (let i = 0; i < source.children.length; i++) {
this.copyStyle(source.children[i], target.children[i]);
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: DragDropService, deps: [{ token: i0.NgZone }, { token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: DragDropService }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: DragDropService, decorators: [{
type: Injectable
}], ctorParameters: () => [{ type: i0.NgZone }, { type: undefined, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }] });
class PreserveNextEventEmitter extends EventEmitter {
get schedulerFns() { return this._schedulerFns; }
constructor(isAsync = false) {
super(isAsync);
this._isAsync = isAsync;
}
forceCallback(value, once = false) {
if (this.schedulerFns && this.schedulerFns.size) {
this.schedulerFns.forEach(fn => {
fn(value);
});
if (once) {
this.cleanCallbackFn();
}
}
}
cleanCallbackFn() {
this._schedulerFns = undefined;
}
emit(value) { super.emit(value); }
subscribe(generatorOrNext, error, complete) {
let schedulerFn;
if (generatorOrNext && typeof generatorOrNext === 'object') {
schedulerFn = this._isAsync ? (value) => {
setTimeout(() => generatorOrNext.next(value));
} : (value) => { generatorOrNext.next(value); };
}
else {
schedulerFn = this._isAsync ? (value) => { setTimeout(() => generatorOrNext(value)); } :
(value) => { generatorOrNext(value); };
}
if (!this._schedulerFns) {
this._schedulerFns = new Set();
}
this._schedulerFns.add(schedulerFn);
return super.subscribe(generatorOrNext, error, complete);
}
}
class DragPreviewComponent {
constructor(el, cdr) {
this.el = el;
this.cdr = cdr;
this.element = el.nativeElement;
}
updateTemplate() {
this.cdr.detectChanges();
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: DragPreviewComponent, deps: [{ token: i0.ElementRef }, { token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "18.2.13", type: DragPreviewComponent, selector: "d-drag-preview", ngImport: i0, template: "<ng-template\n [ngTemplateOutlet]=\"templateRef\"\n [ngTemplateOutletContext]=\"{\n data: data,\n draggedEl: draggedEl,\n dragData: dragData,\n batchDragData: batchDragData,\n dragSyncDOMElements: dragSyncDOMElements\n }\"\n>\n</ng-template>\n", dependencies: [{ kind: "directive", type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }] }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: DragPreviewComponent, decorators: [{
type: Component,
args: [{ selector: 'd-drag-preview', preserveWhitespaces: false, template: "<ng-template\n [ngTemplateOutlet]=\"templateRef\"\n [ngTemplateOutletContext]=\"{\n data: data,\n draggedEl: draggedEl,\n dragData: dragData,\n batchDragData: batchDragData,\n dragSyncDOMElements: dragSyncDOMElements\n }\"\n>\n</ng-template>\n" }]
}], ctorParameters: () => [{ type: i0.ElementRef }, { type: i0.ChangeDetectorRef }] });
class DragPreviewDirective {
constructor(componentFactoryResolver, overlayContainerRef, dragDropService) {
this.componentFactoryResolver = componentFactoryResolver;
this.overlayContainerRef = overlayContainerRef;
this.dragDropService = dragDropService;
this.dragPreviewOptions = {
skipBatchPreview: false
};
}
createPreview() {
const finalComponentFactoryResolver = this.componentFactoryResolver;
const previewRef = this.overlayContainerRef.createComponent(finalComponentFactoryResolver.resolveComponentFactory(DragPreviewComponent));
this.previewRef = previewRef;
this.updateData();
return this.previewRef;
}
updateData() {
Object.assign(this.previewRef.instance, {
templateRef: this.dragPreviewTemplate,
data: this.dragPreviewData,
draggedEl: this.dragDropService.draggedEl,
dragData: this.dragDropService.dragData,
batchDragData: this.dragDropService.batchDragData && this.dragDropService.getBatchDragData(),
dragSyncDOMElements: this.dragDropService.dragSyncGroupDirectives && this.getDragSyncDOMElements()
});
this.previewRef.instance.updateTemplate();
}
destroyPreview() {
if (this.previewRef) {
this.previewRef.hostView.destroy();
}
}
getPreviewElement() {
return this.previewRef && this.previewRef.instance.element;
}
getDragSyncDOMElements() {
return this.dragDropService.dragSyncGroupDirectives.map(dir => dir.el.nativeElement);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: DragPreviewDirective, deps: [{ token: i0.ComponentFactoryResolver }, { token: i1$1.OverlayContainerRef }, { token: DragDropService }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "18.2.13", type: DragPreviewDirective, selector: "[dDraggable][dDragPreview]", inputs: { dragPreviewTemplate: ["dDragPreview", "dragPreviewTemplate"], dragPreviewData: "dragPreviewData", dragPreviewOptions: "dragPreviewOptions" }, exportAs: ["dDragPreview"], ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: DragPreviewDirective, decorators: [{
type: Directive,
args: [{
selector: '[dDraggable][dDragPreview]',
exportAs: 'dDragPreview'
}]
}], ctorParameters: () => [{ type: i0.ComponentFactoryResolver }, { type: i1$1.OverlayContainerRef }, { type: DragDropService }], propDecorators: { dragPreviewTemplate: [{
type: Input,
args: ['dDragPreview']
}], dragPreviewData: [{
type: Input
}], dragPreviewOptions: [{
type: Input
}] } });
/**
* Makes an element draggable by adding the draggable html attribute
*/
class DraggableDirective {
get disabled() {
return this._disabled;
}
set disabled(value) {
this._disabled = value;
this.draggable = !this._disabled;
}
constructor(el, renderer, dragDropService, ngZone, dragPreviewDirective, doc) {
this.el = el;
this.renderer = renderer;
this.dragDropService = dragDropService;
this.ngZone = ngZone;
this.dragPreviewDirective = dragPreviewDirective;
this.doc = doc;
this.draggable = true;
/**
* Currently not used
*/
this.dragEffect = 'move';
/**
* Defines compatible drag drop pairs. Values must match both in draggable and droppable.dropScope.
*/
this.dragScope = 'default';
this.dragHandleClass = 'drag-handle';
/**
* Event fired when Drag is started
*/
this.dragStartEvent = new EventEmitter();
/**
* @deprecated
* Event fired while the element is being dragged
* 为了性能优化，该函数废弃，请用(drag)自行监听， 如果不需要angular脏检测则最好用runOutsideAngular的addEventListener监听以获得好的性能
*/
this.dragEvent = new PreserveNextEventEmitter();
/**
* Event fired when dragged ends
*/
this.dragEndEvent = new EventEmitter();
this.dropEndEvent = new PreserveNextEventEmitter();
this.enableDragFollow = false; // 默认false使用浏览器H5API拖拽, 否则使用原dom定位偏移
this.dragItemParentName = ''; // 当前拖拽元素的类名或元素名称（类名需要加.）,主要用于子节点的截取操作
this.dragItemChildrenName = ''; // 当前拖拽元素的子节点类名或元素名称（类名需要加.）
this.dragsSub = new Subscription();
this.destroyDragEndSub = new Subscription();
this.dragElShowHideEvent = new Subject();
this.beforeDragStartEvent = new Subject();
this.insertOriginPlaceholder = (directShow = true, updateService = true) => {
if (this.delayRemoveOriginPlaceholderTimer) {
clearTimeout(this.delayRemoveOriginPlaceholderTimer);
this.delayRemoveOriginPlaceholderTimer = undefined;
}
const node = this.document.createElement(this.originPlaceholder.tag || 'div');
const rect = this.el.nativeElement.getBoundingClientRect();
if (directShow) {
node.style.display = 'block';
}
else {
node.style.display = 'none';
}
node.style.width = rect.width + 'px';
node.style.height = rect.height + 'px';
node.classList.add('drag-origin-placeholder');
if (this.originPlaceholder.text) {
node.innerText = this.originPlaceholder.text;
}
if (this.originPlaceholder.style) {
Utils.addElStyles(node, this.originPlaceholder.style);
}
if (updateService) {
this.dragDropService.dragOriginPlaceholder = node;
this.dragDropService.dragOriginPlaceholderNextSibling = this.el.nativeElement.nextSibling;
}
else {
node.classList.add('side-drag-origin-placeholder');
const originCloneNode = this.el.nativeElement.cloneNode(true);
originCloneNode.style.margin = 0;
originCloneNode.style.pointerEvents = 'none';
originCloneNode.style.opacity = '0.3';
node.appendChild(originCloneNode);
}
this.dragOriginPlaceholder = node;
this.dragOriginPlaceholderNextSibling = this.el.nativeElement.nextSibling;
this.el.nativeElement.parentElement.insertBefore(node, this.el.nativeElement.nextSibling);
};
this.removeOriginPlaceholder = (updateService = true) => {
if (this.dragOriginPlaceholder) {
this.dragOriginPlaceholder.parentElement.removeChild(this.dragOriginPlaceholder);
}
if (updateService) {
this.dragDropService.dragOriginPlaceholder = undefined;
this.dragDropService.dragOriginPlaceholderNextSibling = undefined;
}
this.dragOriginPlaceholder = undefined;
this.dragOriginPlaceholderNextSibling = undefined;
};
this.delayRemoveOriginPlaceholder = (updateService = true) => {
const timeout = this.originPlaceholder.removeDelay;
const delayOriginPlaceholder = this.dragOriginPlaceholder;
const dragOriginPlaceholderNextSibling = this.findNextSibling(this.dragOriginPlaceholderNextSibling);
// 需要临时移动位置，保证被ngFor刷新之后位置是正确的
// ngFor刷新的原理是有变化的部分都刷新，夹在变化部分中间的内容将被刷到变化部分之后的位置，所以需要恢复位置
// setTimeout是等ngFor的View刷新, 后续需要订阅sortContainer的view的更新才需要重新恢复位置
if (delayOriginPlaceholder.parentElement.contains(dragOriginPlaceholderNextSibling)) {
delayOriginPlaceholder.parentElement.insertBefore(delayOriginPlaceholder, dragOriginPlaceholderNextSibling);
}
setTimeout(() => {
if (delayOriginPlaceholder.parentElement.contains(dragOriginPlaceholderNextSibling)) {
delayOriginPlaceholder.parentElement.insertBefore(delayOriginPlaceholder, dragOriginPlaceholderNextSibling);
}
delayOriginPlaceholder.classList.add('delay-deletion');
this.delayRemoveOriginPlaceholderTimer = setTimeout(() => {
delayOriginPlaceholder.parentElement.removeChild(delayOriginPlaceholder);
if (this.document.body.contains(this.el.nativeElement)) {
this.el.nativeElement.style.display = '';
this.dragDropService.dragElShowHideEvent.next(false);
}
}, timeout);
if (updateService) {
this.dragDropService.dragOriginPlaceholder = undefined;
this.dragDropService.dragOriginPlaceholderNextSibling = undefined;
}
this.dragOriginPlaceholder = undefined;
this.dragOrigi