project/node_modules/echarts/lib/chart/sankey/SankeyView.js

324 lines
12 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.
*/
/**
* AUTO-GENERATED FILE. DO NOT MODIFY.
*/
/*
* 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 { __extends } from "tslib";
import * as graphic from '../../util/graphic.js';
import { enterEmphasis, leaveEmphasis, toggleHoverEmphasis, setStatesStylesFromModel } from '../../util/states.js';
import ChartView from '../../view/Chart.js';
import { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle.js';
import { getECData } from '../../util/innerStore.js';
import { isString, retrieve3 } from 'zrender/lib/core/util.js';
var SankeyPathShape = /** @class */function () {
function SankeyPathShape() {
this.x1 = 0;
this.y1 = 0;
this.x2 = 0;
this.y2 = 0;
this.cpx1 = 0;
this.cpy1 = 0;
this.cpx2 = 0;
this.cpy2 = 0;
this.extent = 0;
}
return SankeyPathShape;
}();
var SankeyPath = /** @class */function (_super) {
__extends(SankeyPath, _super);
function SankeyPath(opts) {
return _super.call(this, opts) || this;
}
SankeyPath.prototype.getDefaultShape = function () {
return new SankeyPathShape();
};
SankeyPath.prototype.buildPath = function (ctx, shape) {
var extent = shape.extent;
ctx.moveTo(shape.x1, shape.y1);
ctx.bezierCurveTo(shape.cpx1, shape.cpy1, shape.cpx2, shape.cpy2, shape.x2, shape.y2);
if (shape.orient === 'vertical') {
ctx.lineTo(shape.x2 + extent, shape.y2);
ctx.bezierCurveTo(shape.cpx2 + extent, shape.cpy2, shape.cpx1 + extent, shape.cpy1, shape.x1 + extent, shape.y1);
} else {
ctx.lineTo(shape.x2, shape.y2 + extent);
ctx.bezierCurveTo(shape.cpx2, shape.cpy2 + extent, shape.cpx1, shape.cpy1 + extent, shape.x1, shape.y1 + extent);
}
ctx.closePath();
};
SankeyPath.prototype.highlight = function () {
enterEmphasis(this);
};
SankeyPath.prototype.downplay = function () {
leaveEmphasis(this);
};
return SankeyPath;
}(graphic.Path);
var SankeyView = /** @class */function (_super) {
__extends(SankeyView, _super);
function SankeyView() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.type = SankeyView.type;
_this._focusAdjacencyDisabled = false;
return _this;
}
SankeyView.prototype.render = function (seriesModel, ecModel, api) {
var sankeyView = this;
var graph = seriesModel.getGraph();
var group = this.group;
var layoutInfo = seriesModel.layoutInfo;
// view width
var width = layoutInfo.width;
// view height
var height = layoutInfo.height;
var nodeData = seriesModel.getData();
var edgeData = seriesModel.getData('edge');
var orient = seriesModel.get('orient');
this._model = seriesModel;
group.removeAll();
group.x = layoutInfo.x;
group.y = layoutInfo.y;
// generate a bezire Curve for each edge
graph.eachEdge(function (edge) {
var curve = new SankeyPath();
var ecData = getECData(curve);
ecData.dataIndex = edge.dataIndex;
ecData.seriesIndex = seriesModel.seriesIndex;
ecData.dataType = 'edge';
var edgeModel = edge.getModel();
var lineStyleModel = edgeModel.getModel('lineStyle');
var curvature = lineStyleModel.get('curveness');
var n1Layout = edge.node1.getLayout();
var node1Model = edge.node1.getModel();
var dragX1 = node1Model.get('localX');
var dragY1 = node1Model.get('localY');
var n2Layout = edge.node2.getLayout();
var node2Model = edge.node2.getModel();
var dragX2 = node2Model.get('localX');
var dragY2 = node2Model.get('localY');
var edgeLayout = edge.getLayout();
var x1;
var y1;
var x2;
var y2;
var cpx1;
var cpy1;
var cpx2;
var cpy2;
curve.shape.extent = Math.max(1, edgeLayout.dy);
curve.shape.orient = orient;
if (orient === 'vertical') {
x1 = (dragX1 != null ? dragX1 * width : n1Layout.x) + edgeLayout.sy;
y1 = (dragY1 != null ? dragY1 * height : n1Layout.y) + n1Layout.dy;
x2 = (dragX2 != null ? dragX2 * width : n2Layout.x) + edgeLayout.ty;
y2 = dragY2 != null ? dragY2 * height : n2Layout.y;
cpx1 = x1;
cpy1 = y1 * (1 - curvature) + y2 * curvature;
cpx2 = x2;
cpy2 = y1 * curvature + y2 * (1 - curvature);
} else {
x1 = (dragX1 != null ? dragX1 * width : n1Layout.x) + n1Layout.dx;
y1 = (dragY1 != null ? dragY1 * height : n1Layout.y) + edgeLayout.sy;
x2 = dragX2 != null ? dragX2 * width : n2Layout.x;
y2 = (dragY2 != null ? dragY2 * height : n2Layout.y) + edgeLayout.ty;
cpx1 = x1 * (1 - curvature) + x2 * curvature;
cpy1 = y1;
cpx2 = x1 * curvature + x2 * (1 - curvature);
cpy2 = y2;
}
curve.setShape({
x1: x1,
y1: y1,
x2: x2,
y2: y2,
cpx1: cpx1,
cpy1: cpy1,
cpx2: cpx2,
cpy2: cpy2
});
curve.useStyle(lineStyleModel.getItemStyle());
// Special color, use source node color or target node color
applyCurveStyle(curve.style, orient, edge);
var defaultEdgeLabelText = "" + edgeModel.get('value');
var edgeLabelStateModels = getLabelStatesModels(edgeModel, 'edgeLabel');
setLabelStyle(curve, edgeLabelStateModels, {
labelFetcher: {
getFormattedLabel: function (dataIndex, stateName, dataType, labelDimIndex, formatter, extendParams) {
return seriesModel.getFormattedLabel(dataIndex, stateName, 'edge', labelDimIndex,
// ensure edgeLabel formatter is provided
// to prevent the inheritance from `label.formatter` of the series
retrieve3(formatter, edgeLabelStateModels.normal && edgeLabelStateModels.normal.get('formatter'), defaultEdgeLabelText), extendParams);
}
},
labelDataIndex: edge.dataIndex,
defaultText: defaultEdgeLabelText
});
curve.setTextConfig({
position: 'inside'
});
var emphasisModel = edgeModel.getModel('emphasis');
setStatesStylesFromModel(curve, edgeModel, 'lineStyle', function (model) {
var style = model.getItemStyle();
applyCurveStyle(style, orient, edge);
return style;
});
group.add(curve);
edgeData.setItemGraphicEl(edge.dataIndex, curve);
var focus = emphasisModel.get('focus');
toggleHoverEmphasis(curve, focus === 'adjacency' ? edge.getAdjacentDataIndices() : focus === 'trajectory' ? edge.getTrajectoryDataIndices() : focus, emphasisModel.get('blurScope'), emphasisModel.get('disabled'));
});
// Generate a rect for each node
graph.eachNode(function (node) {
var layout = node.getLayout();
var itemModel = node.getModel();
var dragX = itemModel.get('localX');
var dragY = itemModel.get('localY');
var emphasisModel = itemModel.getModel('emphasis');
var rect = new graphic.Rect({
shape: {
x: dragX != null ? dragX * width : layout.x,
y: dragY != null ? dragY * height : layout.y,
width: layout.dx,
height: layout.dy
},
style: itemModel.getModel('itemStyle').getItemStyle(),
z2: 10
});
setLabelStyle(rect, getLabelStatesModels(itemModel), {
labelFetcher: {
getFormattedLabel: function (dataIndex, stateName) {
return seriesModel.getFormattedLabel(dataIndex, stateName, 'node');
}
},
labelDataIndex: node.dataIndex,
defaultText: node.id
});
rect.disableLabelAnimation = true;
rect.setStyle('fill', node.getVisual('color'));
rect.setStyle('decal', node.getVisual('style').decal);
setStatesStylesFromModel(rect, itemModel);
group.add(rect);
nodeData.setItemGraphicEl(node.dataIndex, rect);
getECData(rect).dataType = 'node';
var focus = emphasisModel.get('focus');
toggleHoverEmphasis(rect, focus === 'adjacency' ? node.getAdjacentDataIndices() : focus === 'trajectory' ? node.getTrajectoryDataIndices() : focus, emphasisModel.get('blurScope'), emphasisModel.get('disabled'));
});
nodeData.eachItemGraphicEl(function (el, dataIndex) {
var itemModel = nodeData.getItemModel(dataIndex);
if (itemModel.get('draggable')) {
el.drift = function (dx, dy) {
sankeyView._focusAdjacencyDisabled = true;
this.shape.x += dx;
this.shape.y += dy;
this.dirty();
api.dispatchAction({
type: 'dragNode',
seriesId: seriesModel.id,
dataIndex: nodeData.getRawIndex(dataIndex),
localX: this.shape.x / width,
localY: this.shape.y / height
});
};
el.ondragend = function () {
sankeyView._focusAdjacencyDisabled = false;
};
el.draggable = true;
el.cursor = 'move';
}
});
if (!this._data && seriesModel.isAnimationEnabled()) {
group.setClipPath(createGridClipShape(group.getBoundingRect(), seriesModel, function () {
group.removeClipPath();
}));
}
this._data = seriesModel.getData();
};
SankeyView.prototype.dispose = function () {};
SankeyView.type = 'sankey';
return SankeyView;
}(ChartView);
/**
* Special color, use source node color or target node color
* @param curveProps curve's style to parse
* @param orient direction
* @param edge current curve data
*/
function applyCurveStyle(curveProps, orient, edge) {
switch (curveProps.fill) {
case 'source':
curveProps.fill = edge.node1.getVisual('color');
curveProps.decal = edge.node1.getVisual('style').decal;
break;
case 'target':
curveProps.fill = edge.node2.getVisual('color');
curveProps.decal = edge.node2.getVisual('style').decal;
break;
case 'gradient':
var sourceColor = edge.node1.getVisual('color');
var targetColor = edge.node2.getVisual('color');
if (isString(sourceColor) && isString(targetColor)) {
curveProps.fill = new graphic.LinearGradient(0, 0, +(orient === 'horizontal'), +(orient === 'vertical'), [{
color: sourceColor,
offset: 0
}, {
color: targetColor,
offset: 1
}]);
}
}
}
// Add animation to the view
function createGridClipShape(rect, seriesModel, cb) {
var rectEl = new graphic.Rect({
shape: {
x: rect.x - 10,
y: rect.y - 10,
width: 0,
height: rect.height + 20
}
});
graphic.initProps(rectEl, {
shape: {
width: rect.width + 20
}
}, seriesModel, cb);
return rectEl;
}
export default SankeyView;