default.js
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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;
}