Refactor #3965 - For Dropdown

components/lib/dropdown/BaseDropdown.vue

@@ -0,0 +1,324 @@
+<script>
+import BaseComponent from 'primevue/basecomponent';
+import { useStyle } from 'primevue/usestyle';
+
+const styles = `
+.p-dropdown {
+    display: inline-flex;
+    cursor: pointer;
+    user-select: none;
+}
+
+.p-dropdown-clear-icon {
+    position: absolute;
+    top: 50%;
+    margin-top: -0.5rem;
+}
+
+.p-dropdown-trigger {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+}
+
+.p-dropdown-label {
+    display: block;
+    white-space: nowrap;
+    overflow: hidden;
+    flex: 1 1 auto;
+    width: 1%;
+    text-overflow: ellipsis;
+    cursor: pointer;
+}
+
+.p-dropdown-label-empty {
+    overflow: hidden;
+    opacity: 0;
+}
+
+input.p-dropdown-label {
+    cursor: default;
+}
+
+.p-dropdown .p-dropdown-panel {
+    min-width: 100%;
+}
+
+.p-dropdown-panel {
+    position: absolute;
+    top: 0;
+    left: 0;
+}
+
+.p-dropdown-items-wrapper {
+    overflow: auto;
+}
+
+.p-dropdown-item {
+    cursor: pointer;
+    font-weight: normal;
+    white-space: nowrap;
+    position: relative;
+    overflow: hidden;
+}
+
+.p-dropdown-item-group {
+    cursor: auto;
+}
+
+.p-dropdown-items {
+    margin: 0;
+    padding: 0;
+    list-style-type: none;
+}
+
+.p-dropdown-filter {
+    width: 100%;
+}
+
+.p-dropdown-filter-container {
+    position: relative;
+}
+
+.p-dropdown-filter-icon {
+    position: absolute;
+    top: 50%;
+    margin-top: -0.5rem;
+}
+
+.p-fluid .p-dropdown {
+    display: flex;
+}
+
+.p-fluid .p-dropdown .p-dropdown-label {
+    width: 1%;
+}
+`;
+
+const inlineStyles = {
+    root: { position: 'relative' }
+};
+
+const classes = {
+    root: ({ props, state }) => [
+        'p-dropdown p-component p-inputwrapper',
+        {
+            'p-disabled': props.disabled,
+            'p-dropdown-clearable': props.showClear && !props.disabled,
+            'p-focus': state.focused,
+            'p-inputwrapper-filled': props.hasSelectedOption,
+            'p-inputwrapper-focus': state.focused || state.overlayVisible,
+            'p-overlay-open': state.overlayVisible
+        }
+    ],
+    input: ({ instance, props }) => [
+        'p-dropdown-label p-inputtext',
+        {
+            'p-placeholder': !props.editable && instance.label === props.placeholder,
+            'p-dropdown-label-empty': !props.editable && !instance.$slots['value'] && (instance.label === 'p-emptylabel' || instance.label.length === 0)
+        }
+    ],
+    clearIcon: 'p-dropdown-clear-icon',
+    trigger: 'p-dropdown-trigger',
+    loadingicon: 'p-dropdown-trigger-icon',
+    dropdownIcon: 'p-dropdown-trigger-icon',
+    panel: ({ instance }) => [
+        'p-dropdown-panel p-component',
+        {
+            'p-input-filled': instance.$primevue.config.inputStyle === 'filled',
+            'p-ripple-disabled': instance.$primevue.config.ripple === false
+        }
+    ],
+    hiddenFirstFocusableEl: 'p-hidden-accessible p-hidden-focusable',
+    header: 'p-dropdown-header',
+    filterContainer: 'p-dropdown-filter-container',
+    filterInput: 'p-dropdown-filter p-inputtext p-component',
+    filterIcon: 'p-dropdown-filter-icon',
+    hiddenFilterResult: 'p-hidden-accessible',
+    wrapper: 'p-dropdown-items-wrapper',
+    list: 'p-dropdown-items',
+    itemGroup: 'p-dropdown-item-group',
+    item: ({ instance, state, option, focusedOption }) => [
+        'p-dropdown-item',
+        {
+            'p-highlight': instance.isSelected(option),
+            'p-focus': state.focusedOptionIndex === focusedOption,
+            'p-disabled': instance.isOptionDisabled(option)
+        }
+    ],
+    emptyMessage: 'p-dropdown-empty-message',
+    hiddenEmptyMessage: 'p-hidden-accessible',
+    hiddenSelectedMessage: 'p-hidden-accessible',
+    hiddenLastFocusableEl: 'p-hidden-accessible p-hidden-focusable'
+};
+
+const { load: loadStyle, unload: unloadStyle } = useStyle(styles, { id: 'primevue_dropdown_style', manual: true });
+
+export default {
+    name: 'BaseDropdown',
+    extends: BaseComponent,
+    props: {
+        modelValue: null,
+        options: Array,
+        optionLabel: null,
+        optionValue: null,
+        optionDisabled: null,
+        optionGroupLabel: null,
+        optionGroupChildren: null,
+        scrollHeight: {
+            type: String,
+            default: '200px'
+        },
+        filter: Boolean,
+        filterPlaceholder: String,
+        filterLocale: String,
+        filterMatchMode: {
+            type: String,
+            default: 'contains'
+        },
+        filterFields: {
+            type: Array,
+            default: null
+        },
+        editable: Boolean,
+        placeholder: {
+            type: String,
+            default: null
+        },
+        disabled: {
+            type: Boolean,
+            default: false
+        },
+        dataKey: null,
+        showClear: {
+            type: Boolean,
+            default: false
+        },
+        inputId: {
+            type: String,
+            default: null
+        },
+        inputClass: {
+            type: [String, Object],
+            default: null
+        },
+        inputStyle: {
+            type: Object,
+            default: null
+        },
+        inputProps: {
+            type: null,
+            default: null
+        },
+        panelClass: {
+            type: [String, Object],
+            default: null
+        },
+        panelStyle: {
+            type: Object,
+            default: null
+        },
+        panelProps: {
+            type: null,
+            default: null
+        },
+        filterInputProps: {
+            type: null,
+            default: null
+        },
+        clearIconProps: {
+            type: null,
+            default: null
+        },
+        appendTo: {
+            type: String,
+            default: 'body'
+        },
+        loading: {
+            type: Boolean,
+            default: false
+        },
+        clearIcon: {
+            type: String,
+            default: undefined
+        },
+        dropdownIcon: {
+            type: String,
+            default: undefined
+        },
+        filterIcon: {
+            type: String,
+            default: undefined
+        },
+        loadingIcon: {
+            type: String,
+            default: undefined
+        },
+        resetFilterOnHide: {
+            type: Boolean,
+            default: false
+        },
+        virtualScrollerOptions: {
+            type: Object,
+            default: null
+        },
+        autoOptionFocus: {
+            type: Boolean,
+            default: true
+        },
+        autoFilterFocus: {
+            type: Boolean,
+            default: false
+        },
+        selectOnFocus: {
+            type: Boolean,
+            default: false
+        },
+        filterMessage: {
+            type: String,
+            default: null
+        },
+        selectionMessage: {
+            type: String,
+            default: null
+        },
+        emptySelectionMessage: {
+            type: String,
+            default: null
+        },
+        emptyFilterMessage: {
+            type: String,
+            default: null
+        },
+        emptyMessage: {
+            type: String,
+            default: null
+        },
+        tabindex: {
+            type: Number,
+            default: 0
+        },
+        'aria-label': {
+            type: String,
+            default: null
+        },
+        'aria-labelledby': {
+            type: String,
+            default: null
+        }
+    },
+    css: {
+        inlineStyles,
+        classes
+    },
+    watch: {
+        isUnstyled: {
+            immediate: true,
+            handler(newValue) {
+                !newValue && loadStyle();
+            }
+        }
+    }
+};
+</script>