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
|
/*
* Copyright 2011 gitblit.com.
*
* Licensed 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.
*/
package com.gitblit.wicket.charting;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import com.gitblit.utils.StringUtils;
/**
* Abstract parent class for Google Charts built with the Visualization API.
*
* @author James Moger
*
*/
public abstract class GoogleChart implements Serializable {
private static final long serialVersionUID = 1L;
final String tagId;
final String dataName;
final String title;
final String keyName;
final String valueName;
final List<ChartValue> values;
int width;
int height;
boolean showLegend;
public GoogleChart(String tagId, String title, String keyName, String valueName) {
this.tagId = tagId;
this.dataName = StringUtils.getSHA1(title).substring(0, 8);
this.title = title;
this.keyName = keyName;
this.valueName = valueName;
values = new ArrayList<ChartValue>();
showLegend = true;
}
public void setWidth(int width) {
this.width = width;
}
public void setHeight(int height) {
this.height = height;
}
public void setShowLegend(boolean val) {
this.showLegend = val;
}
public void addValue(String name, int value) {
values.add(new ChartValue(name, value));
}
public void addValue(String name, float value) {
values.add(new ChartValue(name, value));
}
public void addValue(String name, double value) {
values.add(new ChartValue(name, (float) value));
}
protected abstract void appendChart(StringBuilder sb);
protected void line(StringBuilder sb, String line) {
sb.append(line);
sb.append('\n');
}
protected class ChartValue implements Serializable, Comparable<ChartValue> {
private static final long serialVersionUID = 1L;
final String name;
final float value;
ChartValue(String name, float value) {
this.name = name;
this.value = value;
}
@Override
public int compareTo(ChartValue o) {
// sorts the dataset by largest value first
if (value > o.value) {
return -1;
} else if (value < o.value) {
return 1;
}
return 0;
}
}
}
|
