391 lines
11 KiB
JavaScript
391 lines
11 KiB
JavaScript
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/*
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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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var zrUtil = require("zrender/lib/core/util");
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var graphic = require("../../util/graphic");
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/*
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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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var NodeHighlightPolicy = {
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NONE: 'none',
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// not downplay others
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DESCENDANT: 'descendant',
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ANCESTOR: 'ancestor',
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SELF: 'self'
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};
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var DEFAULT_SECTOR_Z = 2;
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var DEFAULT_TEXT_Z = 4;
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/**
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* Sunburstce of Sunburst including Sector, Label, LabelLine
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* @constructor
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* @extends {module:zrender/graphic/Group}
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*/
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function SunburstPiece(node, seriesModel, ecModel) {
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graphic.Group.call(this);
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var sector = new graphic.Sector({
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z2: DEFAULT_SECTOR_Z
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});
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sector.seriesIndex = seriesModel.seriesIndex;
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var text = new graphic.Text({
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z2: DEFAULT_TEXT_Z,
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silent: node.getModel('label').get('silent')
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});
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this.add(sector);
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this.add(text);
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this.updateData(true, node, 'normal', seriesModel, ecModel); // Hover to change label and labelLine
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function onEmphasis() {
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text.ignore = text.hoverIgnore;
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}
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function onNormal() {
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text.ignore = text.normalIgnore;
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}
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this.on('emphasis', onEmphasis).on('normal', onNormal).on('mouseover', onEmphasis).on('mouseout', onNormal);
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}
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var SunburstPieceProto = SunburstPiece.prototype;
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SunburstPieceProto.updateData = function (firstCreate, node, state, seriesModel, ecModel) {
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this.node = node;
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node.piece = this;
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seriesModel = seriesModel || this._seriesModel;
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ecModel = ecModel || this._ecModel;
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var sector = this.childAt(0);
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sector.dataIndex = node.dataIndex;
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var itemModel = node.getModel();
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var layout = node.getLayout(); // if (!layout) {
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// console.log(node.getLayout());
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// }
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var sectorShape = zrUtil.extend({}, layout);
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sectorShape.label = null;
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var visualColor = getNodeColor(node, seriesModel, ecModel);
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fillDefaultColor(node, seriesModel, visualColor);
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var normalStyle = itemModel.getModel('itemStyle').getItemStyle();
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var style;
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if (state === 'normal') {
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style = normalStyle;
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} else {
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var stateStyle = itemModel.getModel(state + '.itemStyle').getItemStyle();
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style = zrUtil.merge(stateStyle, normalStyle);
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}
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style = zrUtil.defaults({
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lineJoin: 'bevel',
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fill: style.fill || visualColor
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}, style);
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if (firstCreate) {
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sector.setShape(sectorShape);
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sector.shape.r = layout.r0;
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graphic.updateProps(sector, {
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shape: {
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r: layout.r
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}
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}, seriesModel, node.dataIndex);
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sector.useStyle(style);
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} else if (typeof style.fill === 'object' && style.fill.type || typeof sector.style.fill === 'object' && sector.style.fill.type) {
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// Disable animation for gradient since no interpolation method
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// is supported for gradient
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graphic.updateProps(sector, {
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shape: sectorShape
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}, seriesModel);
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sector.useStyle(style);
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} else {
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graphic.updateProps(sector, {
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shape: sectorShape,
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style: style
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}, seriesModel);
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}
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this._updateLabel(seriesModel, visualColor, state);
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var cursorStyle = itemModel.getShallow('cursor');
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cursorStyle && sector.attr('cursor', cursorStyle);
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if (firstCreate) {
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var highlightPolicy = seriesModel.getShallow('highlightPolicy');
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this._initEvents(sector, node, seriesModel, highlightPolicy);
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}
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this._seriesModel = seriesModel || this._seriesModel;
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this._ecModel = ecModel || this._ecModel;
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};
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SunburstPieceProto.onEmphasis = function (highlightPolicy) {
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var that = this;
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this.node.hostTree.root.eachNode(function (n) {
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if (n.piece) {
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if (that.node === n) {
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n.piece.updateData(false, n, 'emphasis');
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} else if (isNodeHighlighted(n, that.node, highlightPolicy)) {
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n.piece.childAt(0).trigger('highlight');
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} else if (highlightPolicy !== NodeHighlightPolicy.NONE) {
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n.piece.childAt(0).trigger('downplay');
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}
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}
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});
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};
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SunburstPieceProto.onNormal = function () {
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this.node.hostTree.root.eachNode(function (n) {
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if (n.piece) {
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n.piece.updateData(false, n, 'normal');
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}
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});
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};
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SunburstPieceProto.onHighlight = function () {
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this.updateData(false, this.node, 'highlight');
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};
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SunburstPieceProto.onDownplay = function () {
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this.updateData(false, this.node, 'downplay');
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};
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SunburstPieceProto._updateLabel = function (seriesModel, visualColor, state) {
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var itemModel = this.node.getModel();
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var normalModel = itemModel.getModel('label');
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var labelModel = state === 'normal' || state === 'emphasis' ? normalModel : itemModel.getModel(state + '.label');
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var labelHoverModel = itemModel.getModel('emphasis.label');
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var text = zrUtil.retrieve(seriesModel.getFormattedLabel(this.node.dataIndex, 'normal', null, null, 'label'), this.node.name);
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if (getLabelAttr('show') === false) {
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text = '';
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}
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var layout = this.node.getLayout();
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var labelMinAngle = labelModel.get('minAngle');
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if (labelMinAngle == null) {
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labelMinAngle = normalModel.get('minAngle');
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}
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labelMinAngle = labelMinAngle / 180 * Math.PI;
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var angle = layout.endAngle - layout.startAngle;
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if (labelMinAngle != null && Math.abs(angle) < labelMinAngle) {
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// Not displaying text when angle is too small
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text = '';
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}
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var label = this.childAt(1);
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graphic.setLabelStyle(label.style, label.hoverStyle || {}, normalModel, labelHoverModel, {
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defaultText: labelModel.getShallow('show') ? text : null,
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autoColor: visualColor,
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useInsideStyle: true
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});
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var midAngle = (layout.startAngle + layout.endAngle) / 2;
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var dx = Math.cos(midAngle);
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var dy = Math.sin(midAngle);
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var r;
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var labelPosition = getLabelAttr('position');
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var labelPadding = getLabelAttr('distance') || 0;
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var textAlign = getLabelAttr('align');
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if (labelPosition === 'outside') {
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r = layout.r + labelPadding;
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textAlign = midAngle > Math.PI / 2 ? 'right' : 'left';
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} else {
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if (!textAlign || textAlign === 'center') {
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r = (layout.r + layout.r0) / 2;
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textAlign = 'center';
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} else if (textAlign === 'left') {
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r = layout.r0 + labelPadding;
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if (midAngle > Math.PI / 2) {
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textAlign = 'right';
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}
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} else if (textAlign === 'right') {
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r = layout.r - labelPadding;
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if (midAngle > Math.PI / 2) {
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textAlign = 'left';
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}
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}
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}
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label.attr('style', {
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text: text,
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textAlign: textAlign,
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textVerticalAlign: getLabelAttr('verticalAlign') || 'middle',
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opacity: getLabelAttr('opacity')
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});
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var textX = r * dx + layout.cx;
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var textY = r * dy + layout.cy;
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label.attr('position', [textX, textY]);
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var rotateType = getLabelAttr('rotate');
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var rotate = 0;
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if (rotateType === 'radial') {
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rotate = -midAngle;
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if (rotate < -Math.PI / 2) {
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rotate += Math.PI;
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}
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} else if (rotateType === 'tangential') {
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rotate = Math.PI / 2 - midAngle;
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if (rotate > Math.PI / 2) {
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rotate -= Math.PI;
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} else if (rotate < -Math.PI / 2) {
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rotate += Math.PI;
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}
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} else if (typeof rotateType === 'number') {
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rotate = rotateType * Math.PI / 180;
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}
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label.attr('rotation', rotate);
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function getLabelAttr(name) {
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var stateAttr = labelModel.get(name);
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if (stateAttr == null) {
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return normalModel.get(name);
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} else {
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return stateAttr;
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}
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}
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};
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SunburstPieceProto._initEvents = function (sector, node, seriesModel, highlightPolicy) {
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sector.off('mouseover').off('mouseout').off('emphasis').off('normal');
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var that = this;
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var onEmphasis = function () {
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that.onEmphasis(highlightPolicy);
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};
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var onNormal = function () {
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that.onNormal();
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};
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var onDownplay = function () {
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that.onDownplay();
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};
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var onHighlight = function () {
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that.onHighlight();
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};
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if (seriesModel.isAnimationEnabled()) {
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sector.on('mouseover', onEmphasis).on('mouseout', onNormal).on('emphasis', onEmphasis).on('normal', onNormal).on('downplay', onDownplay).on('highlight', onHighlight);
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}
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};
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zrUtil.inherits(SunburstPiece, graphic.Group);
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var _default = SunburstPiece;
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/**
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* Get node color
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*
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* @param {TreeNode} node the node to get color
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* @param {module:echarts/model/Series} seriesModel series
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* @param {module:echarts/model/Global} ecModel echarts defaults
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*/
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function getNodeColor(node, seriesModel, ecModel) {
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// Color from visualMap
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var visualColor = node.getVisual('color');
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var visualMetaList = node.getVisual('visualMeta');
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if (!visualMetaList || visualMetaList.length === 0) {
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// Use first-generation color if has no visualMap
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visualColor = null;
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} // Self color or level color
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var color = node.getModel('itemStyle').get('color');
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if (color) {
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return color;
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} else if (visualColor) {
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// Color mapping
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return visualColor;
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} else if (node.depth === 0) {
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// Virtual root node
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return ecModel.option.color[0];
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} else {
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// First-generation color
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var length = ecModel.option.color.length;
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color = ecModel.option.color[getRootId(node) % length];
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}
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return color;
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}
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/**
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* Get index of root in sorted order
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*
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* @param {TreeNode} node current node
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* @return {number} index in root
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*/
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function getRootId(node) {
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var ancestor = node;
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while (ancestor.depth > 1) {
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ancestor = ancestor.parentNode;
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}
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var virtualRoot = node.getAncestors()[0];
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return zrUtil.indexOf(virtualRoot.children, ancestor);
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}
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function isNodeHighlighted(node, activeNode, policy) {
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if (policy === NodeHighlightPolicy.NONE) {
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return false;
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} else if (policy === NodeHighlightPolicy.SELF) {
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return node === activeNode;
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} else if (policy === NodeHighlightPolicy.ANCESTOR) {
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return node === activeNode || node.isAncestorOf(activeNode);
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} else {
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return node === activeNode || node.isDescendantOf(activeNode);
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}
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} // Fix tooltip callback function params.color incorrect when pick a default color
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function fillDefaultColor(node, seriesModel, color) {
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var data = seriesModel.getData();
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data.setItemVisual(node.dataIndex, 'color', color);
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}
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module.exports = _default;
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