primevue
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primevue) [ • 8.64 kB
JavaScript
'use strict';
var BaseComponent = require('primevue/basecomponent');
var Ripple = require('primevue/ripple');
var utils = require('primevue/utils');
var vue = require('vue');
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
var Ripple__default = /*#__PURE__*/_interopDefaultLegacy(Ripple);
var script = {
name: 'SelectButton',
extends: BaseComponent__default["default"],
emits: ['update:modelValue', 'focus', 'blur', 'change'],
props: {
modelValue: null,
options: Array,
optionLabel: null,
optionValue: null,
optionDisabled: null,
multiple: Boolean,
unselectable: {
type: Boolean,
default: false
},
disabled: Boolean,
dataKey: null,
'aria-labelledby': {
type: String,
default: null
}
},
data() {
return {
focusedIndex: 0
};
},
mounted() {
this.defaultTabIndexes();
},
methods: {
defaultTabIndexes() {
let opts = utils.DomHandler.find(this.$refs.container, '.p-button');
let firstHighlight = utils.DomHandler.findSingle(this.$refs.container, '.p-highlight');
for (let i = 0; i < opts.length; i++) {
if ((utils.DomHandler.hasClass(opts[i], 'p-highlight') && utils.ObjectUtils.equals(opts[i], firstHighlight)) || (firstHighlight === null && i == 0)) {
this.focusedIndex = i;
}
}
},
getOptionLabel(option) {
return this.optionLabel ? utils.ObjectUtils.resolveFieldData(option, this.optionLabel) : option;
},
getOptionValue(option) {
return this.optionValue ? utils.ObjectUtils.resolveFieldData(option, this.optionValue) : option;
},
getOptionRenderKey(option) {
return this.dataKey ? utils.ObjectUtils.resolveFieldData(option, this.dataKey) : this.getOptionLabel(option);
},
getPTOptions(option, key) {
return this.ptm(key, {
context: {
active: this.isSelected(option),
disabled: this.isOptionDisabled(option)
}
});
},
isOptionDisabled(option) {
return this.optionDisabled ? utils.ObjectUtils.resolveFieldData(option, this.optionDisabled) : false;
},
onOptionSelect(event, option, index) {
if (this.disabled || this.isOptionDisabled(option)) {
return;
}
let selected = this.isSelected(option);
if (selected && this.unselectable) {
return;
}
let optionValue = this.getOptionValue(option);
let newValue;
if (this.multiple) {
if (selected) newValue = this.modelValue.filter((val) => !utils.ObjectUtils.equals(val, optionValue, this.equalityKey));
else newValue = this.modelValue ? [...this.modelValue, optionValue] : [optionValue];
} else {
newValue = selected ? null : optionValue;
}
this.focusedIndex = index;
this.$emit('update:modelValue', newValue);
this.$emit('change', { event: event, value: newValue });
},
isSelected(option) {
let selected = false;
let optionValue = this.getOptionValue(option);
if (this.multiple) {
if (this.modelValue) {
for (let val of this.modelValue) {
if (utils.ObjectUtils.equals(val, optionValue, this.equalityKey)) {
selected = true;
break;
}
}
}
} else {
selected = utils.ObjectUtils.equals(this.modelValue, optionValue, this.equalityKey);
}
return selected;
},
onKeydown(event, option, index) {
switch (event.code) {
case 'Space': {
this.onOptionSelect(event, option, index);
event.preventDefault();
break;
}
case 'ArrowDown':
case 'ArrowRight': {
this.changeTabIndexes(event, 'next');
event.preventDefault();
break;
}
case 'ArrowUp':
case 'ArrowLeft': {
this.changeTabIndexes(event, 'prev');
event.preventDefault();
break;
}
}
},
changeTabIndexes(event, direction) {
let firstTabableChild, index;
for (let i = 0; i <= this.$refs.container.children.length - 1; i++) {
if (this.$refs.container.children[i].getAttribute('tabindex') === '0') firstTabableChild = { elem: this.$refs.container.children[i], index: i };
}
if (direction === 'prev') {
if (firstTabableChild.index === 0) index = this.$refs.container.children.length - 1;
else index = firstTabableChild.index - 1;
} else {
if (firstTabableChild.index === this.$refs.container.children.length - 1) index = 0;
else index = firstTabableChild.index + 1;
}
this.focusedIndex = index;
this.$refs.container.children[index].focus();
},
onFocus(event) {
this.$emit('focus', event);
},
onBlur(event, option) {
if (event.target && event.relatedTarget && event.target.parentElement !== event.relatedTarget.parentElement) {
this.defaultTabIndexes();
}
this.$emit('blur', event, option);
},
getButtonClass(option) {
return [
'p-button p-component',
{
'p-highlight': this.isSelected(option),
'p-disabled': this.isOptionDisabled(option)
}
];
}
},
computed: {
containerClass() {
return [
'p-selectbutton p-buttonset p-component',
{
'p-disabled': this.disabled
}
];
},
equalityKey() {
return this.optionValue ? null : this.dataKey;
}
},
directives: {
ripple: Ripple__default["default"]
}
};
const _hoisted_1 = ["aria-labelledby"];
const _hoisted_2 = ["tabindex", "aria-label", "role", "aria-checked", "aria-disabled", "onClick", "onKeydown", "onBlur"];
function render(_ctx, _cache, $props, $setup, $data, $options) {
const _directive_ripple = vue.resolveDirective("ripple");
return (vue.openBlock(), vue.createElementBlock("div", vue.mergeProps({
ref: "container",
class: $options.containerClass,
role: "group",
"aria-labelledby": _ctx.ariaLabelledby
}, _ctx.ptm('root')), [
(vue.openBlock(true), vue.createElementBlock(vue.Fragment, null, vue.renderList($props.options, (option, i) => {
return vue.withDirectives((vue.openBlock(), vue.createElementBlock("div", vue.mergeProps({
key: $options.getOptionRenderKey(option),
tabindex: i === $data.focusedIndex ? '0' : '-1',
"aria-label": $options.getOptionLabel(option),
role: $props.multiple ? 'checkbox' : 'radio',
"aria-checked": $options.isSelected(option),
"aria-disabled": $props.optionDisabled,
class: $options.getButtonClass(option, i),
onClick: $event => ($options.onOptionSelect($event, option, i)),
onKeydown: $event => ($options.onKeydown($event, option, i)),
onFocus: _cache[0] || (_cache[0] = $event => ($options.onFocus($event))),
onBlur: $event => ($options.onBlur($event, option))
}, $options.getPTOptions(option, 'button')), [
vue.renderSlot(_ctx.$slots, "option", {
option: option,
index: i
}, () => [
vue.createElementVNode("span", vue.mergeProps({ class: "p-button-label" }, $options.getPTOptions(option, 'label')), vue.toDisplayString($options.getOptionLabel(option)), 17)
])
], 16, _hoisted_2)), [
[_directive_ripple]
])
}), 128))
], 16, _hoisted_1))
}
script.render = render;
module.exports = script;