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| /*
| * Licensed to the Apache Software Foundation (ASF) under one
| * or more contributor license agreements. See the NOTICE file
| * distributed with this work for additional information
| * regarding copyright ownership. The ASF licenses this file
| * to you under the Apache License, Version 2.0 (the
| * "License"); you may not use this file except in compliance
| * with the License. You may obtain a copy of the License at
| *
| * http://www.apache.org/licenses/LICENSE-2.0
| *
| * Unless required by applicable law or agreed to in writing,
| * software distributed under the License is distributed on an
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
| * KIND, either express or implied. See the License for the
| * specific language governing permissions and limitations
| * under the License.
| */
|
| import * as zrUtil from 'zrender/src/core/util';
| import * as graphic from '../util/graphic';
|
| var PI = Math.PI;
|
| /**
| * @param {module:echarts/ExtensionAPI} api
| * @param {Object} [opts]
| * @param {string} [opts.text]
| * @param {string} [opts.color]
| * @param {string} [opts.textColor]
| * @return {module:zrender/Element}
| */
| export default function (api, opts) {
| opts = opts || {};
| zrUtil.defaults(opts, {
| text: 'loading',
| color: '#c23531',
| textColor: '#000',
| maskColor: 'rgba(255, 255, 255, 0.8)',
| zlevel: 0
| });
| var mask = new graphic.Rect({
| style: {
| fill: opts.maskColor
| },
| zlevel: opts.zlevel,
| z: 10000
| });
| var arc = new graphic.Arc({
| shape: {
| startAngle: -PI / 2,
| endAngle: -PI / 2 + 0.1,
| r: 10
| },
| style: {
| stroke: opts.color,
| lineCap: 'round',
| lineWidth: 5
| },
| zlevel: opts.zlevel,
| z: 10001
| });
| var labelRect = new graphic.Rect({
| style: {
| fill: 'none',
| text: opts.text,
| textPosition: 'right',
| textDistance: 10,
| textFill: opts.textColor
| },
| zlevel: opts.zlevel,
| z: 10001
| });
|
| arc.animateShape(true)
| .when(1000, {
| endAngle: PI * 3 / 2
| })
| .start('circularInOut');
| arc.animateShape(true)
| .when(1000, {
| startAngle: PI * 3 / 2
| })
| .delay(300)
| .start('circularInOut');
|
| var group = new graphic.Group();
| group.add(arc);
| group.add(labelRect);
| group.add(mask);
| // Inject resize
| group.resize = function () {
| var cx = api.getWidth() / 2;
| var cy = api.getHeight() / 2;
| arc.setShape({
| cx: cx,
| cy: cy
| });
| var r = arc.shape.r;
| labelRect.setShape({
| x: cx - r,
| y: cy - r,
| width: r * 2,
| height: r * 2
| });
|
| mask.setShape({
| x: 0,
| y: 0,
| width: api.getWidth(),
| height: api.getHeight()
| });
| };
| group.resize();
| return group;
| }
|
|
