Refactor #3965 - For TriStateCheckbox

components/lib/tristatecheckbox/BaseTriStateCheckbox.vue

@@ -0,0 +1,75 @@
+<script>
+import BaseComponent from 'primevue/basecomponent';
+import { useStyle } from 'primevue/usestyle';
+
+const styles = ``;
+
+const classes = {
+    root: ({ instance, props }) => [
+        'p-checkbox p-component',
+        {
+            'p-checkbox-checked': props.modelValue === true,
+            'p-checkbox-disabled': props.disabled,
+            'p-checkbox-focused': instance.focused
+        }
+    ],
+    hiddenInputWrapper: 'p-hidden-accessible',
+    srOnlyAria: 'p-sr-only',
+    checkbox: ({ instance, props }) => [
+        'p-checkbox-box',
+        {
+            'p-highlight': props.modelValue != null,
+            'p-disabled': props.disabled,
+            'p-focus': instance.focused
+        }
+    ],
+    checkIcon: 'p-checkbox-icon',
+    uncheckIcon: 'p-checkbox-icon',
+    nullableIcon: 'p-checkbox-icon'
+};
+
+const { load: loadStyle, unload: unloadStyle } = useStyle(styles, { id: 'primevue_tristatecheckbox_style', manual: true });
+
+export default {
+    name: 'BaseTriStateCheckbox',
+    extends: BaseComponent,
+    props: {
+        modelValue: null,
+        inputId: {
+            type: String,
+            default: null
+        },
+        inputProps: {
+            type: null,
+            default: null
+        },
+        disabled: {
+            type: Boolean,
+            default: false
+        },
+        tabindex: {
+            type: Number,
+            default: 0
+        },
+        'aria-labelledby': {
+            type: String,
+            default: null
+        },
+        'aria-label': {
+            type: String,
+            default: null
+        }
+    },
+    css: {
+        classes
+    },
+    watch: {
+        isUnstyled: {
+            immediate: true,
+            handler(newValue) {
+                !newValue && loadStyle();
+            }
+        }
+    }
+};
+</script>