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/*
Copyright (C) 2019 CMCC, Inc. and others. All rights reserved.
Licensed 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 { Component, OnInit, Input } from '@angular/core';
import { SimpleChanges } from '@angular/core/src/metadata/lifecycle_hooks';
@Component({
selector: 'app-pie',
templateUrl: './pie.component.html',
styleUrls: ['./pie.component.less']
})
export class PieComponent implements OnInit {
// chart Data
@Input() chartData;
// init Data
@Input() initData;
constructor() { }
ngOnInit() {
this.initOpts = {
renderer: 'canvas',
height: this.initData.height
};
this.pieOption = {
backgroundColor:this.initData.option.backgroundColor,
legend: this.initData.option.legend,
color:this.initData.option.color,
tooltip: this.initData.option.tooltip || '',
series : [
{
name: this.initData.option.series[0].name,
type: 'pie',
radius : this.initData.option.series[0].radius,
center:this.initData.option.series[0].center,
legendHoverLink: false,
hoverOffset: 3,
avoidLabelOverlap: false,
// minAngle:1,
label: this.initData.option.series[0].label,
data:[],
itemStyle: this.initData.option.series[0].itemStyle
}
]
}
}
ngOnChanges(changes:SimpleChanges){
// Execute when there is an instance, which is equivalent to not executing the following method for the first time.
if(this.chartIntance){
this.chartDataChange()
}
}
// Initialize the height of the graphic
initOpts:any;
// Alarm pie chart
pieOption:any;
// Instance object
chartIntance:any;
// Data change
updateOption:any;
chartDataChange(){
this.updateOption = this.chartData;
// Wait until the updateOption is finished and then execute
this.chartIntance.on('finished',()=>{
this.chartIntance.dispatchAction({
type:'highlight',
seriesIndex: 0,
dataIndex:0
})
//Since all view changes are rendered, this event is logged out after the update
this.chartIntance.off('finished')
})
}
chartInit(chart){
this.chartIntance = chart;
}
pieMouseOver(e){
this.chartIntance.dispatchAction({
type:'downplay'
})
this.chartIntance.dispatchAction({
type:'highlight',
seriesIndex: 0,
dataIndex:e.dataIndex
})
}
pieMouseOut(e){
this.chartIntance.dispatchAction({
type:'highlight',
seriesIndex: 0,
dataIndex:e.dataIndex
})
}
}
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