2a09d1a4
 liuqimichale
添加宜春 天水 宣化
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
var graphic = require("../../util/graphic");
var echarts = require("../../echarts");
/*
* 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.
*/
/**
* @file The file used to draw sankey view
* @author Deqing Li(annong035@gmail.com)
*/
var SankeyShape = graphic.extendShape({
shape: {
x1: 0,
y1: 0,
x2: 0,
y2: 0,
cpx1: 0,
cpy1: 0,
cpx2: 0,
cpy2: 0,
extent: 0
},
buildPath: function (ctx, shape) {
var halfExtent = shape.extent / 2;
ctx.moveTo(shape.x1, shape.y1 - halfExtent);
ctx.bezierCurveTo(shape.cpx1, shape.cpy1 - halfExtent, shape.cpx2, shape.cpy2 - halfExtent, shape.x2, shape.y2 - halfExtent);
ctx.lineTo(shape.x2, shape.y2 + halfExtent);
ctx.bezierCurveTo(shape.cpx2, shape.cpy2 + halfExtent, shape.cpx1, shape.cpy1 + halfExtent, shape.x1, shape.y1 + halfExtent);
ctx.closePath();
}
});
var _default = echarts.extendChartView({
type: 'sankey',
/**
* @private
* @type {module:echarts/chart/sankey/SankeySeries}
*/
_model: null,
render: function (seriesModel, ecModel, api) {
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');
this._model = seriesModel;
group.removeAll();
group.attr('position', [layoutInfo.x, layoutInfo.y]); // generate a bezire Curve for each edge
graph.eachEdge(function (edge) {
var curve = new SankeyShape();
curve.dataIndex = edge.dataIndex;
curve.seriesIndex = seriesModel.seriesIndex;
curve.dataType = 'edge';
var lineStyleModel = edge.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();
curve.shape.extent = Math.max(1, edgeLayout.dy);
var x1 = (dragX1 != null ? dragX1 * width : n1Layout.x) + n1Layout.dx;
var y1 = (dragY1 != null ? dragY1 * height : n1Layout.y) + edgeLayout.sy + edgeLayout.dy / 2;
var x2 = dragX2 != null ? dragX2 * width : n2Layout.x;
var y2 = (dragY2 != null ? dragY2 * height : n2Layout.y) + edgeLayout.ty + edgeLayout.dy / 2;
var cpx1 = x1 * (1 - curvature) + x2 * curvature;
var cpy1 = y1;
var cpx2 = x1 * curvature + x2 * (1 - curvature);
var cpy2 = y2;
curve.setShape({
x1: x1,
y1: y1,
x2: x2,
y2: y2,
cpx1: cpx1,
cpy1: cpy1,
cpx2: cpx2,
cpy2: cpy2
});
curve.setStyle(lineStyleModel.getItemStyle()); // Special color, use source node color or target node color
switch (curve.style.fill) {
case 'source':
curve.style.fill = edge.node1.getVisual('color');
break;
case 'target':
curve.style.fill = edge.node2.getVisual('color');
break;
}
graphic.setHoverStyle(curve, edge.getModel('emphasis.lineStyle').getItemStyle());
group.add(curve);
edgeData.setItemGraphicEl(edge.dataIndex, curve);
}); // 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 labelModel = itemModel.getModel('label');
var labelHoverModel = itemModel.getModel('emphasis.label');
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()
});
var hoverStyle = node.getModel('emphasis.itemStyle').getItemStyle();
graphic.setLabelStyle(rect.style, hoverStyle, labelModel, labelHoverModel, {
labelFetcher: seriesModel,
labelDataIndex: node.dataIndex,
defaultText: node.id,
isRectText: true
});
rect.setStyle('fill', node.getVisual('color'));
graphic.setHoverStyle(rect, hoverStyle);
group.add(rect);
nodeData.setItemGraphicEl(node.dataIndex, rect);
rect.dataType = 'node';
});
var draggable = seriesModel.get('draggable');
if (draggable) {
nodeData.eachItemGraphicEl(function (el, dataIndex) {
el.drift = function (dx, dy) {
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.draggable = true;
el.cursor = 'move';
});
}
if (!this._data && seriesModel.get('animation')) {
group.setClipPath(createGridClipShape(group.getBoundingRect(), seriesModel, function () {
group.removeClipPath();
}));
}
this._data = seriesModel.getData();
},
dispose: function () {}
}); // 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,
height: rect.height + 20
}
}, seriesModel, cb);
return rectEl;
}
module.exports = _default;
|
