travel/admin/node_modules/echarts/lib/chart/sunburst/SunburstPiece.js

391 lines
11 KiB
JavaScript

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