-
Notifications
You must be signed in to change notification settings - Fork 35
/
OrdinalColumn.ts
210 lines (172 loc) · 6.93 KB
/
OrdinalColumn.ts
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
206
207
208
209
210
import {extent} from 'd3-array';
import {equalArrays} from '../internal';
import {Category, toolbar} from './annotations';
import CategoricalColumn from './CategoricalColumn';
import Column, {widthChanged, labelChanged, metaDataChanged, dirty, dirtyHeader, dirtyValues, rendererTypeChanged, groupRendererChanged, summaryRendererChanged, visibilityChanged} from './Column';
import {
ICategoricalColumn, ICategoricalDesc, ICategoricalFilter, ICategory, toCategories,
toCategory
} from './ICategoricalColumn';
import {IDataRow} from './interfaces';
import NumberColumn, {INumberColumn} from './NumberColumn';
import ValueColumn, {IValueColumnDesc, dataLoaded} from './ValueColumn';
import {IEventListener} from '../internal/AEventDispatcher';
export declare type ICategoricalNumberColumnDesc = ICategoricalDesc & IValueColumnDesc<number>;
/**
* emitted when the mapping property changes
* @asMemberOf OrdinalColumn
* @event
*/
export declare function mappingChanged(previous: number[], current: number[]): void;
/**
* emitted when the filter property changes
* @asMemberOf OrdinalColumn
* @event
*/
export declare function filterChanged(previous: ICategoricalFilter | null, current: ICategoricalFilter | null): void;
/**
* similar to a categorical column but the categories are mapped to numbers
*/
@toolbar('group', 'filterOrdinal')
@Category('categorical')
export default class OrdinalColumn extends ValueColumn<number> implements INumberColumn, ICategoricalColumn {
static readonly EVENT_MAPPING_CHANGED = NumberColumn.EVENT_MAPPING_CHANGED;
static readonly EVENT_FILTER_CHANGED = CategoricalColumn.EVENT_FILTER_CHANGED;
readonly categories: ICategory[];
private missingCategory: ICategory | null;
private readonly lookup = new Map<string, Readonly<ICategory>>();
private currentFilter: ICategoricalFilter | null = null;
constructor(id: string, desc: Readonly<ICategoricalNumberColumnDesc>) {
super(id, desc);
this.categories = toCategories(desc);
this.missingCategory = desc.missingCategory ? toCategory(desc.missingCategory, NaN) : null;
this.categories.forEach((d) => this.lookup.set(d.name, d));
this.setDefaultRenderer('number');
this.setDefaultGroupRenderer('boxplot');
}
protected createEventList() {
return super.createEventList().concat([OrdinalColumn.EVENT_MAPPING_CHANGED, OrdinalColumn.EVENT_FILTER_CHANGED]);
}
on(type: typeof OrdinalColumn.EVENT_MAPPING_CHANGED, listener: typeof mappingChanged | null): this;
on(type: typeof OrdinalColumn.EVENT_FILTER_CHANGED, listener: typeof filterChanged | null): this;
on(type: typeof ValueColumn.EVENT_DATA_LOADED, listener: typeof dataLoaded | null): this;
on(type: typeof Column.EVENT_WIDTH_CHANGED, listener: typeof widthChanged | null): this;
on(type: typeof Column.EVENT_LABEL_CHANGED, listener: typeof labelChanged | null): this;
on(type: typeof Column.EVENT_METADATA_CHANGED, listener: typeof metaDataChanged | null): this;
on(type: typeof Column.EVENT_DIRTY, listener: typeof dirty | null): this;
on(type: typeof Column.EVENT_DIRTY_HEADER, listener: typeof dirtyHeader | null): this;
on(type: typeof Column.EVENT_DIRTY_VALUES, listener: typeof dirtyValues | null): this;
on(type: typeof Column.EVENT_RENDERER_TYPE_CHANGED, listener: typeof rendererTypeChanged | null): this;
on(type: typeof Column.EVENT_GROUP_RENDERER_TYPE_CHANGED, listener: typeof groupRendererChanged | null): this;
on(type: typeof Column.EVENT_SUMMARY_RENDERER_TYPE_CHANGED, listener: typeof summaryRendererChanged | null): this;
on(type: typeof Column.EVENT_VISIBILITY_CHANGED, listener: typeof visibilityChanged | null): this;
on(type: string | string[], listener: IEventListener | null): this; // required for correct typings in *.d.ts
on(type: string | string[], listener: IEventListener | null): this {
return super.on(<any>type, listener);
}
get dataLength() {
return this.categories.length;
}
get labels() {
return this.categories.map((d) => d.label);
}
getValue(row: IDataRow) {
const v = this.getCategory(row);
return v ? v.value : NaN;
}
getCategory(row: IDataRow) {
const v = super.getValue(row);
if (!v) {
return this.missingCategory;
}
const vs = String(v);
return this.lookup.has(vs) ? this.lookup.get(vs)! : this.missingCategory;
}
getColor(row: IDataRow) {
return CategoricalColumn.prototype.getColor.call(this, row);
}
getLabel(row: IDataRow) {
return CategoricalColumn.prototype.getLabel.call(this, row);
}
getLabels(row: IDataRow) {
return CategoricalColumn.prototype.getLabels.call(this, row);
}
getValues(row: IDataRow) {
return CategoricalColumn.prototype.getValues.call(this, row);
}
getMap(row: IDataRow) {
return CategoricalColumn.prototype.getMap.call(this, row);
}
getMapLabel(row: IDataRow) {
return CategoricalColumn.prototype.getMapLabel.call(this, row);
}
getSet(row: IDataRow) {
return CategoricalColumn.prototype.getSet.call(this, row);
}
getNumber(row: IDataRow) {
return this.getValue(row);
}
isMissing(row: IDataRow) {
return CategoricalColumn.prototype.isMissing.call(this, row);
}
getRawNumber(row: IDataRow) {
return this.getNumber(row);
}
getExportValue(row: IDataRow, format: 'text' | 'json'): any {
if (format === 'json') {
if (this.isMissing(row)) {
return null;
}
return {
name: this.getLabel(row),
value: this.getValue(row)
};
}
return super.getExportValue(row, format);
}
dump(toDescRef: (desc: any) => any): any {
const r = CategoricalColumn.prototype.dump.call(this, toDescRef);
r.mapping = this.getMapping();
return r;
}
restore(dump: any, factory: (dump: any) => Column | null) {
CategoricalColumn.prototype.restore.call(this, dump, factory);
if (dump.mapping) {
this.setMapping(dump.mapping);
}
}
getMapping() {
return this.categories.map((d) => d.value);
}
setMapping(mapping: number[]) {
const r = extent(mapping);
mapping = mapping.map((d) => (d - r[0]!) / (r[1]! - r[0]!));
const bak = this.getMapping();
if (equalArrays(bak, mapping)) {
return;
}
this.categories.forEach((d, i) => d.value = mapping[i] || 0);
this.fire([OrdinalColumn.EVENT_MAPPING_CHANGED, Column.EVENT_DIRTY_HEADER, Column.EVENT_DIRTY_VALUES, Column.EVENT_DIRTY], bak, this.getMapping());
}
isFiltered() {
return this.currentFilter != null;
}
filter(row: IDataRow): boolean {
return CategoricalColumn.prototype.filter.call(this, row);
}
group(row: IDataRow) {
return CategoricalColumn.prototype.group.call(this, row);
}
getFilter() {
return this.currentFilter;
}
setFilter(filter: ICategoricalFilter | null) {
return CategoricalColumn.prototype.setFilter.call(this, filter);
}
compare(a: IDataRow, b: IDataRow) {
return CategoricalColumn.prototype.compare.call(this, a, b);
}
getRenderer(): string {
return NumberColumn.prototype.getRenderer.call(this);
}
}