treeLayout.js
5 KB
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
/*
* 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 _traversalHelper = require("./traversalHelper");
var eachAfter = _traversalHelper.eachAfter;
var eachBefore = _traversalHelper.eachBefore;
var _layoutHelper = require("./layoutHelper");
var init = _layoutHelper.init;
var firstWalk = _layoutHelper.firstWalk;
var secondWalk = _layoutHelper.secondWalk;
var sep = _layoutHelper.separation;
var radialCoordinate = _layoutHelper.radialCoordinate;
var getViewRect = _layoutHelper.getViewRect;
/*
* 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.
*/
function _default(ecModel, api) {
ecModel.eachSeriesByType('tree', function (seriesModel) {
commonLayout(seriesModel, api);
});
}
function commonLayout(seriesModel, api) {
var layoutInfo = getViewRect(seriesModel, api);
seriesModel.layoutInfo = layoutInfo;
var layout = seriesModel.get('layout');
var width = 0;
var height = 0;
var separation = null;
if (layout === 'radial') {
width = 2 * Math.PI;
height = Math.min(layoutInfo.height, layoutInfo.width) / 2;
separation = sep(function (node1, node2) {
return (node1.parentNode === node2.parentNode ? 1 : 2) / node1.depth;
});
} else {
width = layoutInfo.width;
height = layoutInfo.height;
separation = sep();
}
var virtualRoot = seriesModel.getData().tree.root;
var realRoot = virtualRoot.children[0];
if (realRoot) {
init(virtualRoot);
eachAfter(realRoot, firstWalk, separation);
virtualRoot.hierNode.modifier = -realRoot.hierNode.prelim;
eachBefore(realRoot, secondWalk);
var left = realRoot;
var right = realRoot;
var bottom = realRoot;
eachBefore(realRoot, function (node) {
var x = node.getLayout().x;
if (x < left.getLayout().x) {
left = node;
}
if (x > right.getLayout().x) {
right = node;
}
if (node.depth > bottom.depth) {
bottom = node;
}
});
var delta = left === right ? 1 : separation(left, right) / 2;
var tx = delta - left.getLayout().x;
var kx = 0;
var ky = 0;
var coorX = 0;
var coorY = 0;
if (layout === 'radial') {
kx = width / (right.getLayout().x + delta + tx); // here we use (node.depth - 1), bucause the real root's depth is 1
ky = height / (bottom.depth - 1 || 1);
eachBefore(realRoot, function (node) {
coorX = (node.getLayout().x + tx) * kx;
coorY = (node.depth - 1) * ky;
var finalCoor = radialCoordinate(coorX, coorY);
node.setLayout({
x: finalCoor.x,
y: finalCoor.y,
rawX: coorX,
rawY: coorY
}, true);
});
} else {
var orient = seriesModel.getOrient();
if (orient === 'RL' || orient === 'LR') {
ky = height / (right.getLayout().x + delta + tx);
kx = width / (bottom.depth - 1 || 1);
eachBefore(realRoot, function (node) {
coorY = (node.getLayout().x + tx) * ky;
coorX = orient === 'LR' ? (node.depth - 1) * kx : width - (node.depth - 1) * kx;
node.setLayout({
x: coorX,
y: coorY
}, true);
});
} else if (orient === 'TB' || orient === 'BT') {
kx = width / (right.getLayout().x + delta + tx);
ky = height / (bottom.depth - 1 || 1);
eachBefore(realRoot, function (node) {
coorX = (node.getLayout().x + tx) * kx;
coorY = orient === 'TB' ? (node.depth - 1) * ky : height - (node.depth - 1) * ky;
node.setLayout({
x: coorX,
y: coorY
}, true);
});
}
}
}
}
module.exports = _default;