| 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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233 |
120x
120x
120x
241x
29x
29x
29x
29x
29x
29x
29x
29x
29x
6x
19x
63x
| import React from 'react';
import _ from 'lodash';
import { lucidClassNames } from '../../util/style-helpers';
import { createClass, findTypes } from '../../util/component-types';
import * as reducers from './SingleSelect.reducers';
import DropMenu from '../DropMenu/DropMenu';
import CaretIcon from '../Icon/CaretIcon/CaretIcon';
const cx = lucidClassNames.bind('&-SingleSelect');
const {
any,
bool,
func,
node,
number,
object,
shape,
string,
oneOfType,
} = React.PropTypes;
/**
*
* {"categories": ["controls", "selectors"], "madeFrom": ["DropMenu"]}
*
* A selector control (like native `<select>`) which is used to select a single option from a dropdown list.
* Supports option groups with and without labels.
*/
const SingleSelect = createClass({
displayName: 'SingleSelect',
reducers,
components: {
/**
* Content this is displayed when nothing is selected.
*/
Placeholder: createClass({
displayName: 'SingleSelect.Placeholder',
propName: 'Placeholder',
}),
/**
* A selectable option in the list.
*/
Option: createClass({
displayName: 'SingleSelect.Option',
propName: 'Option',
propTypes: DropMenu.Option.propTypes,
}),
/**
* Groups `Option`s together with a non-selectable heading.
*/
OptionGroup: createClass({
displayName: 'SingleSelect.OptionGroup',
propName: 'OptionGroup',
propTypes: DropMenu.OptionGroup.propTypes,
}),
},
propTypes: {
/**
* Should be instances of {`SingleSelect.Placeholder`, `SingleSelect.Option`, `SingleSelect.OptionGroup`}. Other direct child elements will not render.
*/
children: node,
/**
* Appended to the component-specific class names set on the root elements. Applies to *both* the control and the flyout menu.
*/
className: string,
/**
* Styles that are passed through to root element.
*/
style: object,
/**
* Applies primary color styling to the control when an item is selected. Defaults to true.
*/
isSelectionHighlighted: bool,
/**
* Allows user to reset the `optionIndex` to `null` if they select the placeholder at the top of the options list.
* If `false`, it will not render the placeholder in the menu.
*/
hasReset: bool,
/**
* Disables the SingleSelect from being clicked or focused.
*/
isDisabled: bool,
/**
* The currently selected `SingleSelect.Option` index or `null` if nothing is selected.
*/
selectedIndex: number,
/**
* The max height of the fly-out menu.
*/
maxMenuHeight: oneOfType([number, string]),
/**
* Object of DropMenu props which are passed thru to the underlying DropMenu component.
*/
DropMenu: shape(DropMenu.propTypes),
/**
* Called when an option is selected.
* Has the signature `(optionIndex, {props, event}) => {}` where `optionIndex` is the new `selectedIndex` or `null` and `props` are the `props` for the selected `Option`.
*/
onSelect: func,
/**
* *Child Element* - The content rendered in the control when there is no option is selected. Also rendered in the option list to remove current selection.
*/
Placeholder: any,
/**
* *Child Element* - These are menu options. The `optionIndex` is in-order of rendering regardless of group nesting, starting with index `0`.
* Each `Option` may be passed a prop called `isDisabled` to disable selection of that `Option`.
* Any other props pass to Option will be available from the `onSelect` handler.
*/
Option: any,
/**
* *Child Element* - Used to group `Option`s within the menu. Any non-`Option`s passed in will be rendered as a label for the group.
*/
OptionGroup: any,
},
getDefaultProps() {
return {
hasReset: true,
isSelectionHighlighted: true,
isDisabled: false,
selectedIndex: null,
DropMenu: DropMenu.getDefaultProps(),
};
},
getInitialState() {
return {
optionGroups: [],
flattenedOptionsData: [],
ungroupedOptionData: [],
optionGroupDataLookup: {},
}
},
componentWillMount() {
// preprocess the options data before rendering
this.setState(DropMenu.preprocessOptionData(this.props, SingleSelect));
},
componentWillReceiveProps(nextProps) {
// only preprocess options data when it changes (via new props) - better performance than doing this each render
this.setState(DropMenu.preprocessOptionData(nextProps, SingleSelect));
},
render() {
const {
style,
className,
hasReset,
isDisabled,
isSelectionHighlighted,
selectedIndex,
maxMenuHeight,
onSelect,
DropMenu: dropMenuProps,
} = this.props;
const {
direction,
isExpanded,
flyOutStyle,
} = dropMenuProps;
const {
optionGroups,
optionGroupDataLookup,
ungroupedOptionData,
flattenedOptionsData,
} = this.state;
const placeholderProps = _.first(_.map(findTypes(this.props, SingleSelect.Placeholder), 'props'));
const placeholder = _.get(placeholderProps, 'children', 'Select');
const isItemSelected = _.isNumber(selectedIndex);
return (
<DropMenu
{...dropMenuProps}
isDisabled={isDisabled}
selectedIndices={isItemSelected ? [selectedIndex] : []}
className={cx('&', className)}
onSelect={onSelect}
style={style}
flyOutStyle={_.assign({}, flyOutStyle, !_.isNil(maxMenuHeight) ? { maxHeight: maxMenuHeight } : null)}
>
<DropMenu.Control>
<div
tabIndex={0}
className={cx('&-Control', {
'&-Control-is-highlighted': (!isDisabled && isItemSelected && isSelectionHighlighted) || (isExpanded && isSelectionHighlighted),
'&-Control-is-selected': (!isDisabled && isItemSelected && isSelectionHighlighted) || (isExpanded && isSelectionHighlighted),
'&-Control-is-expanded': isExpanded,
'&-Control-is-disabled': isDisabled,
})
}>
<span
{...(!isItemSelected ? placeholderProps : null)}
className={cx(
'&-Control-content',
(!isItemSelected ? _.get(placeholderProps, 'className') : null)
)}
>
{isItemSelected ? flattenedOptionsData[selectedIndex].optionProps.children : placeholder}
</span>
<CaretIcon direction={isExpanded ? direction : 'down'} />
</div>
</DropMenu.Control>
{hasReset && isItemSelected ? (
<DropMenu.NullOption {...placeholderProps}>{placeholder}</DropMenu.NullOption>
) : null}
{
// for each option group passed in, render a DropMenu.OptionGroup, any label will be included in it's children, render each option inside the group
_.map(optionGroups, (optionGroupProps, optionGroupIndex) => (
<DropMenu.OptionGroup key={'SingleSelectOptionGroup' + optionGroupIndex} {...optionGroupProps}>
{optionGroupProps.children}
{_.map(_.get(optionGroupDataLookup, optionGroupIndex), ({ optionProps, optionIndex }) => (
<DropMenu.Option key={'SingleSelectOption' + optionIndex} {...optionProps} />
))}
</DropMenu.OptionGroup>
// then render all the ungrouped options at the end
)).concat(_.map(ungroupedOptionData, ({ optionProps, optionIndex }) => (<DropMenu.Option key={'SingleSelectOption' + optionIndex} {...optionProps} />)))
}
</DropMenu>
);
},
});
export default SingleSelect;
|