mirror of https://github.com/Fabio286/antares.git
Merge pull request #309 from toriphes/feat/base-select-max-visible-options
feat: add max visible options prop
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commit
329656ff1d
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@ -132,6 +132,10 @@ export default defineComponent({
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disabled: {
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type: Boolean,
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default: false
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},
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maxVisibleOptions: {
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type: Number,
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default: 100
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}
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},
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emits: ['select', 'open', 'close', 'update:modelValue', 'change', 'blur'],
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@ -147,7 +151,7 @@ export default defineComponent({
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const searchText = ref('');
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const getOptionValue = (opt) => _guess('optionTrackBy', opt);
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const getOptionLabel = (opt) => _guess('optionLabel', opt);
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const getOptionLabel = (opt) => _guess('optionLabel', opt) + '';
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const getOptionDisabled = (opt) => _guess('optionDisabled', opt);
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const _guess = (name, item) => {
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const prop = props[name];
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@ -200,11 +204,30 @@ export default defineComponent({
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});
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const filteredOptions = computed(() => {
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const normalizedSearch = (searchText.value || '').toLowerCase().trim();
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const searchTerms = (searchText.value || '').toLowerCase().trim();
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return normalizedSearch
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? flattenOptions.value.filter(opt => opt.$type === 'group' || opt.label.trim().toLowerCase().indexOf(normalizedSearch) !== -1)
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let options = searchTerms
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? flattenOptions.value.filter(opt => opt.$type === 'group' || opt.label.trim().toLowerCase().indexOf(searchTerms) !== -1)
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: flattenOptions.value;
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if (options.length > props.maxVisibleOptions) {
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let sliceStart = 0;
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let sliceEnd = sliceStart + props.maxVisibleOptions;
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// if no search active try to open the dropdown showing options around the selected one
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if (searchTerms === '') {
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const index = internalValue.value ? flattenOptions.value.findIndex(el => el.value === internalValue.value) : -1;
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if (index < options.length -1) {
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sliceStart = Math.max(0, index - Math.floor(props.maxVisibleOptions / 2));
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sliceEnd = Math.min(sliceStart + sliceEnd, options.length -1);
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}
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}
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options = options.slice(sliceStart, sliceEnd);
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}
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return options;
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});
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const searchInputStyle = computed(() => {
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@ -253,7 +276,7 @@ export default defineComponent({
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const activate = () => {
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if (isOpen.value || props.disabled) return;
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isOpen.value = true;
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hightlightedIndex.value = flattenOptions.value.findIndex(el => el.value === internalValue.value) || 0;
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hightlightedIndex.value = filteredOptions.value.findIndex(el => el.value === internalValue.value) || 0;
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if (props.searchable)
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searchInput.value.focus();
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