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
|
/*
* Copyright (c) 2017-present Robert Jaros
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package pl.treksoft.kvision.form.check
import com.github.snabbdom.VNode
import org.w3c.dom.events.MouseEvent
import pl.treksoft.kvision.core.StringBoolPair
import pl.treksoft.kvision.core.StringPair
import pl.treksoft.kvision.core.Widget
import pl.treksoft.kvision.form.FormInput
import pl.treksoft.kvision.form.InputSize
import pl.treksoft.kvision.form.ValidationStatus
import pl.treksoft.kvision.state.ObservableState
/**
* Type of the check input control (checkbox or radio).
*/
enum class CheckInputType(internal val type: String) {
CHECKBOX("checkbox"),
RADIO("radio")
}
/**
* The basic input component rendered as HTML *input type="checkbox"* or *input type="radio"*.
*
* @constructor
* @param type type of the input control
* @param value selection state
* @param classes a set of CSS class names
*/
abstract class CheckInput(
type: CheckInputType = CheckInputType.CHECKBOX, value: Boolean = false,
classes: Set<String> = setOf()
) : Widget(classes), FormInput, ObservableState<Boolean> {
protected val observers = mutableListOf<(Boolean) -> Unit>()
init {
this.setInternalEventListener<CheckInput> {
click = {
val v = getElementJQuery()?.prop("checked") as Boolean?
self.value = (v == true)
}
change = {
val v = getElementJQuery()?.prop("checked") as Boolean?
self.value = (v == true)
}
}
}
/**
* The selection state of the input.
*/
var value by refreshOnUpdate(value) { refreshState(); observers.forEach { ob -> ob(it) } }
/**
* The value attribute of the generated HTML input element.
*
* This value is placed directly in generated HTML code, while the [value] property is dynamically
* bound to the input selection state.
*/
var startValue by refreshOnUpdate(value) { this.value = it; refresh() }
/**
* The type of the generated HTML input element.
*/
var type by refreshOnUpdate(type)
/**
* The name attribute of the generated HTML input element.
*/
override var name: String? by refreshOnUpdate()
/**
* Determines if the field is disabled.
*/
override var disabled by refreshOnUpdate(false)
/**
* The additional String value used for the radio button group.
*/
var extraValue: String? by refreshOnUpdate()
/**
* The size of the input.
*/
override var size: InputSize? by refreshOnUpdate()
/**
* The validation status of the input.
*/
override var validationStatus: ValidationStatus? by refreshOnUpdate()
override fun render(): VNode {
return render("input")
}
override fun getSnClass(): List<StringBoolPair> {
val cl = super.getSnClass().toMutableList()
validationStatus?.let {
cl.add(it.className to true)
}
size?.let {
cl.add(it.className to true)
}
return cl
}
override fun getSnAttrs(): List<StringPair> {
val sn = super.getSnAttrs().toMutableList()
sn.add("type" to type.type)
if (startValue) {
sn.add("checked" to "checked")
}
name?.let {
sn.add("name" to it)
}
if (disabled) {
sn.add("disabled" to "disabled")
}
extraValue?.let {
sn.add("value" to it)
}
return sn
}
override fun afterInsert(node: VNode) {
refreshState()
}
private fun refreshState() {
val v = getElementJQuery()?.prop("checked") as Boolean?
if (this.value != v) {
getElementJQuery()?.prop("checked", this.value)
}
}
/**
* A convenient helper for easy setting onClick event handler.
*/
open fun onClick(handler: CheckInput.(MouseEvent) -> Unit): CheckInput {
this.setEventListener<CheckInput> {
click = { e ->
self.handler(e)
}
}
return this
}
/**
* Makes the input element focused.
*/
override fun focus() {
getElementJQuery()?.focus()
}
/**
* Makes the input element blur.
*/
override fun blur() {
getElementJQuery()?.blur()
}
override fun getState(): Boolean = value
override fun subscribe(observer: (Boolean) -> Unit): () -> Unit {
observers += observer
observer(value)
return {
observers -= observer
}
}
}
|
