/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import * as zrUtil from 'zrender/src/core/util';
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import SeriesModel from '../../model/Series';
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import Tree from '../../data/Tree';
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import {wrapTreePathInfo} from '../helper/treeHelper';
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export default SeriesModel.extend({
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type: 'series.sunburst',
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/**
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* @type {module:echarts/data/Tree~Node}
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*/
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_viewRoot: null,
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getInitialData: function (option, ecModel) {
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// Create a virtual root.
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var root = { name: option.name, children: option.data };
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completeTreeValue(root);
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var levels = option.levels || [];
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// levels = option.levels = setDefault(levels, ecModel);
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var treeOption = {};
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treeOption.levels = levels;
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// Make sure always a new tree is created when setOption,
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// in TreemapView, we check whether oldTree === newTree
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// to choose mappings approach among old shapes and new shapes.
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return Tree.createTree(root, this, treeOption).data;
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},
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optionUpdated: function () {
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this.resetViewRoot();
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},
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/*
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* @override
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*/
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getDataParams: function (dataIndex) {
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var params = SeriesModel.prototype.getDataParams.apply(this, arguments);
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var node = this.getData().tree.getNodeByDataIndex(dataIndex);
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params.treePathInfo = wrapTreePathInfo(node, this);
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return params;
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},
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defaultOption: {
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zlevel: 0,
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z: 2,
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// 默认全局居中
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center: ['50%', '50%'],
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radius: [0, '75%'],
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// 默认顺时针
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clockwise: true,
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startAngle: 90,
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// 最小角度改为0
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minAngle: 0,
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percentPrecision: 2,
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// If still show when all data zero.
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stillShowZeroSum: true,
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// Policy of highlighting pieces when hover on one
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// Valid values: 'none' (for not downplay others), 'descendant',
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// 'ancestor', 'self'
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highlightPolicy: 'descendant',
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// 'rootToNode', 'link', or false
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nodeClick: 'rootToNode',
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renderLabelForZeroData: false,
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label: {
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// could be: 'radial', 'tangential', or 'none'
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rotate: 'radial',
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show: true,
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opacity: 1,
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// 'left' is for inner side of inside, and 'right' is for outter
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// side for inside
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align: 'center',
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position: 'inside',
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distance: 5,
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silent: true,
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emphasis: {}
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},
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itemStyle: {
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borderWidth: 1,
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borderColor: 'white',
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borderType: 'solid',
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shadowBlur: 0,
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shadowColor: 'rgba(0, 0, 0, 0.2)',
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shadowOffsetX: 0,
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shadowOffsetY: 0,
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opacity: 1,
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emphasis: {},
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highlight: {
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opacity: 1
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},
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downplay: {
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opacity: 0.9
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}
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},
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// Animation type canbe expansion, scale
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animationType: 'expansion',
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animationDuration: 1000,
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animationDurationUpdate: 500,
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animationEasing: 'cubicOut',
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data: [],
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levels: [],
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/**
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* Sort order.
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*
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* Valid values: 'desc', 'asc', null, or callback function.
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* 'desc' and 'asc' for descend and ascendant order;
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* null for not sorting;
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* example of callback function:
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* function(nodeA, nodeB) {
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* return nodeA.getValue() - nodeB.getValue();
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* }
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*/
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sort: 'desc'
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},
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getViewRoot: function () {
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return this._viewRoot;
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},
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/**
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* @param {module:echarts/data/Tree~Node} [viewRoot]
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*/
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resetViewRoot: function (viewRoot) {
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viewRoot
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? (this._viewRoot = viewRoot)
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: (viewRoot = this._viewRoot);
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var root = this.getRawData().tree.root;
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if (!viewRoot
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|| (viewRoot !== root && !root.contains(viewRoot))
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) {
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this._viewRoot = root;
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}
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}
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});
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/**
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* @param {Object} dataNode
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*/
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function completeTreeValue(dataNode) {
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// Postorder travel tree.
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// If value of none-leaf node is not set,
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// calculate it by suming up the value of all children.
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var sum = 0;
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zrUtil.each(dataNode.children, function (child) {
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completeTreeValue(child);
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var childValue = child.value;
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zrUtil.isArray(childValue) && (childValue = childValue[0]);
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sum += childValue;
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});
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var thisValue = dataNode.value;
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if (zrUtil.isArray(thisValue)) {
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thisValue = thisValue[0];
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}
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if (thisValue == null || isNaN(thisValue)) {
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thisValue = sum;
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}
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// Value should not less than 0.
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if (thisValue < 0) {
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thisValue = 0;
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}
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zrUtil.isArray(dataNode.value)
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? (dataNode.value[0] = thisValue)
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: (dataNode.value = thisValue);
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}
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