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- import { __extends } from "tslib";
- import Definable from './Definable.js';
- import * as zrUtil from '../../core/util.js';
- import { path } from '../graphic.js';
- import { isClipPathChanged } from '../../canvas/helper.js';
- import { getClipPathsKey, getIdURL } from '../../svg/helper.js';
- import { createElement } from '../../svg/core.js';
- export function hasClipPath(displayable) {
- var clipPaths = displayable.__clipPaths;
- return clipPaths && clipPaths.length > 0;
- }
- var ClippathManager = (function (_super) {
- __extends(ClippathManager, _super);
- function ClippathManager(zrId, svgRoot) {
- var _this = _super.call(this, zrId, svgRoot, 'clipPath', '__clippath_in_use__') || this;
- _this._refGroups = {};
- _this._keyDuplicateCount = {};
- return _this;
- }
- ClippathManager.prototype.markAllUnused = function () {
- _super.prototype.markAllUnused.call(this);
- var refGroups = this._refGroups;
- for (var key in refGroups) {
- if (refGroups.hasOwnProperty(key)) {
- this.markDomUnused(refGroups[key]);
- }
- }
- this._keyDuplicateCount = {};
- };
- ClippathManager.prototype._getClipPathGroup = function (displayable, prevDisplayable) {
- if (!hasClipPath(displayable)) {
- return;
- }
- var clipPaths = displayable.__clipPaths;
- var keyDuplicateCount = this._keyDuplicateCount;
- var clipPathKey = getClipPathsKey(clipPaths);
- if (isClipPathChanged(clipPaths, prevDisplayable && prevDisplayable.__clipPaths)) {
- keyDuplicateCount[clipPathKey] = keyDuplicateCount[clipPathKey] || 0;
- keyDuplicateCount[clipPathKey] && (clipPathKey += '-' + keyDuplicateCount[clipPathKey]);
- keyDuplicateCount[clipPathKey]++;
- }
- return this._refGroups[clipPathKey]
- || (this._refGroups[clipPathKey] = createElement('g'));
- };
- ClippathManager.prototype.update = function (displayable, prevDisplayable) {
- var clipGroup = this._getClipPathGroup(displayable, prevDisplayable);
- if (clipGroup) {
- this.markDomUsed(clipGroup);
- this.updateDom(clipGroup, displayable.__clipPaths);
- }
- return clipGroup;
- };
- ;
- ClippathManager.prototype.updateDom = function (parentEl, clipPaths) {
- if (clipPaths && clipPaths.length > 0) {
- var defs = this.getDefs(true);
- var clipPath = clipPaths[0];
- var clipPathEl = void 0;
- var id = void 0;
- if (clipPath._dom) {
- id = clipPath._dom.getAttribute('id');
- clipPathEl = clipPath._dom;
- if (!defs.contains(clipPathEl)) {
- defs.appendChild(clipPathEl);
- }
- }
- else {
- id = 'zr' + this._zrId + '-clip-' + this.nextId;
- ++this.nextId;
- clipPathEl = createElement('clipPath');
- clipPathEl.setAttribute('id', id);
- defs.appendChild(clipPathEl);
- clipPath._dom = clipPathEl;
- }
- path.brush(clipPath);
- var pathEl = this.getSvgElement(clipPath);
- clipPathEl.innerHTML = '';
- clipPathEl.appendChild(pathEl);
- parentEl.setAttribute('clip-path', getIdURL(id));
- if (clipPaths.length > 1) {
- this.updateDom(clipPathEl, clipPaths.slice(1));
- }
- }
- else {
- if (parentEl) {
- parentEl.setAttribute('clip-path', 'none');
- }
- }
- };
- ;
- ClippathManager.prototype.markUsed = function (displayable) {
- var _this = this;
- if (displayable.__clipPaths) {
- zrUtil.each(displayable.__clipPaths, function (clipPath) {
- if (clipPath._dom) {
- _super.prototype.markDomUsed.call(_this, clipPath._dom);
- }
- });
- }
- };
- ;
- ClippathManager.prototype.removeUnused = function () {
- _super.prototype.removeUnused.call(this);
- var newRefGroupsMap = {};
- var refGroups = this._refGroups;
- for (var key in refGroups) {
- if (refGroups.hasOwnProperty(key)) {
- var group = refGroups[key];
- if (!this.isDomUnused(group)) {
- newRefGroupsMap[key] = group;
- }
- else if (group.parentNode) {
- group.parentNode.removeChild(group);
- }
- }
- }
- this._refGroups = newRefGroupsMap;
- };
- return ClippathManager;
- }(Definable));
- export default ClippathManager;
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