primevue-mirror/components/tristatecheckbox/TriStateCheckbox.vue

121 lines
3.4 KiB
Vue
Executable File

<template>
<div :class="containerClass" @click="onClick($event)">
<div class="p-hidden-accessible">
<input :id="inputId" ref="input" type="checkbox" :checked="modelValue === true" :tabindex="tabindex" :disabled="disabled" :aria-labelledby="ariaLabelledby" :aria-label="ariaLabel"
@keydown="onKeyDown($event)" @focus="onFocus($event)" @blur="onBlur($event)" v-bind="inputProps" >
</div>
<span class="p-sr-only" aria-live="polite">{{ariaValueLabel}}</span>
<div ref="box" :class="['p-checkbox-box', {'p-highlight': (modelValue != null), 'p-disabled': disabled, 'p-focus': focused}]" >
<span :class="['p-checkbox-icon', icon]"></span>
</div>
</div>
</template>
<script>
export default {
name: 'TriStateCheckbox',
emits: ['click', 'update:modelValue', 'change', 'keydown', 'focus', 'blur'],
props: {
modelValue: null,
inputId: null,
inputProps: null,
disabled: {
type: Boolean,
default: false
},
tabindex: {
type: Number,
default: 0
},
'aria-labelledby': {
type: String,
default: null
},
'aria-label': {
type: String,
default: null
}
},
data() {
return {
focused: false
};
},
methods: {
updateModel() {
if (!this.disabled) {
let newValue;
switch (this.modelValue) {
case true:
newValue = false;
break;
case false:
newValue = null;
break;
case null:
newValue = true;
break;
}
this.$emit('update:modelValue', newValue);
}
},
onClick(event) {
this.updateModel();
this.$emit('click', event);
this.$emit('change', event);
this.$refs.input.focus();
},
onKeyDown(event) {
if (event.code === 'Enter') {
this.updateModel();
this.$emit('keydown', event);
event.preventDefault();
}
},
onFocus(event) {
this.focused = true;
this.$emit('focus', event);
},
onBlur(event) {
this.focused = false;
this.$emit('blur', event);
}
},
computed: {
icon() {
let icon;
switch (this.modelValue) {
case true:
icon = 'pi pi-check';
break;
case false:
icon = 'pi pi-times';
break;
case null:
icon = null;
break;
}
return icon;
},
containerClass() {
return [
'p-checkbox p-component', {
'p-checkbox-checked': this.modelValue === true,
'p-checkbox-disabled': this.disabled,
'p-checkbox-focused': this.focused
}];
},
ariaValueLabel() {
return this.modelValue ? this.$primevue.config.locale.aria.trueLabel : (this.modelValue === false ? this.$primevue.config.locale.aria.falseLabel : this.$primevue.config.locale.aria.nullLabel);
}
}
}
</script>