project/node_modules/zrender/lib/svg-legacy/helper/ClippathManager.js

122 lines
4.6 KiB
JavaScript

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;