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Fix #6124 : Dropdown navigation like PrimeVue #6430

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merged 9 commits into from
Apr 29, 2024
Merged

Fix #6124 : Dropdown navigation like PrimeVue #6430

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e23fdf3
fix: use 'flatedGroupOptions' to make group items have sequent indexses
KirilCycle Apr 20, 2024
1c9876e
fix: tiny fixes
KirilCycle Apr 21, 2024
1c5b3f2
refactor: place appropriateOptions near flattenedOptions init
KirilCycle Apr 21, 2024
528355e
update: use flatted options at the top & DropDownPanel changes
KirilCycle Apr 22, 2024
36120b7
fix: group items can be selected
KirilCycle Apr 22, 2024
bc6a620
fix: filter works fine with group options
KirilCycle Apr 22, 2024
f3c6c28
fix: 'flatOptions' as arrow function & change dropdown item key
KirilCycle Apr 23, 2024
d306d33
fix: format
KirilCycle Apr 23, 2024
c774167
Update DropdownPanel.js
melloware Apr 23, 2024
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21 changes: 14 additions & 7 deletions components/lib/dropdown/Dropdown.js
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,8 @@ export const Dropdown = React.memo(
when: overlayVisibleState
});

const flatedGroupOptions = props.optionGroupLabel ? props.options.flatMap((item) => item.items) : null
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const getVisibleOptions = () => {
if (hasFilter && !isLazy) {
const filterValue = filterState.trim().toLocaleLowerCase(props.filterLocale);
Expand Down Expand Up @@ -298,7 +300,8 @@ export const Dropdown = React.memo(
};

const findSelectedOptionIndex = () => {
return hasSelectedOption ? visibleOptions.findIndex((option) => isValidSelectedOption(option)) : -1;
const appropriateOptions = flatedGroupOptions ?? visibleOptions
return hasSelectedOption ? appropriateOptions.findIndex((option) => isValidSelectedOption(option)) : -1;
};

const findFirstFocusedOptionIndex = () => {
Expand Down Expand Up @@ -352,22 +355,26 @@ export const Dropdown = React.memo(
return selectedIndex < 0 ? findLastOptionIndex() : selectedIndex;
};


const appropriateOptions = () => flatedGroupOptions ?? visibleOptions
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const findFirstOptionIndex = () => {
return visibleOptions.findIndex((option) => isValidOption(option));
return appropriateOptions().findIndex((option) => isValidOption(option));
};

const findLastOptionIndex = () => {
return ObjectUtils.findLastIndex(visibleOptions, (option) => isValidOption(option));
return ObjectUtils.findLastIndex(appropriateOptions(), (option) => isValidOption(option));
};

const findNextOptionIndex = (index) => {
const matchedOptionIndex = index < visibleOptions.length - 1 ? visibleOptions.slice(index + 1).findIndex((option) => isValidOption(option)) : -1;
const options = appropriateOptions()
const matchedOptionIndex = index < options.length - 1 ? options.slice(index + 1).findIndex((option) => isValidOption(option)) : -1;

return matchedOptionIndex > -1 ? matchedOptionIndex + index + 1 : index;
};

const findPrevOptionIndex = (index) => {
const matchedOptionIndex = index > 0 ? ObjectUtils.findLastIndex(visibleOptions.slice(0, index), (option) => isValidOption(option)) : -1;
const matchedOptionIndex = index > 0 ? ObjectUtils.findLastIndex(appropriateOptions().slice(0, index), (option) => isValidOption(option)) : -1;

return matchedOptionIndex > -1 ? matchedOptionIndex : index;
};
Expand All @@ -377,7 +384,7 @@ export const Dropdown = React.memo(
setFocusedOptionIndex(index);

if (props.selectOnFocus) {
onOptionSelect(event, visibleOptions[index], false);
onOptionSelect(event, flatedGroupOptions ? flatedGroupOptions[index]: visibleOptions[index], false);
}
}
};
Expand Down Expand Up @@ -464,7 +471,7 @@ export const Dropdown = React.memo(
onArrowDownKey(event);
} else {
if (focusedOptionIndex !== -1) {
onOptionSelect(event, visibleOptions[focusedOptionIndex]);
onOptionSelect(event, flatedGroupOptions ? flatedGroupOptions[focusedOptionIndex]: visibleOptions[focusedOptionIndex]);
}

hide();
Expand Down
20 changes: 16 additions & 4 deletions components/lib/dropdown/DropdownPanel.js
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Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,7 @@ export const DropdownPanel = React.memo(
}
};

const createGroupChildren = (optionGroup, style) => {
const createGroupChildren = (optionGroup, style, passedOptionsCount) => {
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const groupChildren = props.getOptionGroupChildren(optionGroup);

return groupChildren.map((option, j) => {
Expand All @@ -87,7 +87,7 @@ export const DropdownPanel = React.memo(
return (
<DropdownItem
key={optionKey}
index={j}
index={j + passedOptionsCount}
focusedOptionIndex={props.focusedOptionIndex}
label={optionLabel}
option={option}
Expand Down Expand Up @@ -118,15 +118,15 @@ export const DropdownPanel = React.memo(
return <li {...emptyMessageProps}>{message}</li>;
};

const createItem = (option, index, scrollerOptions = {}) => {
const createItem = (option, index, scrollerOptions = {},passedOptionsCount) => {
let style = { height: scrollerOptions.props ? scrollerOptions.props.itemSize : undefined };

style = { ...style, ...option.style };

if (props.optionGroupLabel) {
const { optionGroupLabel } = props;
const groupContent = props.optionGroupTemplate ? ObjectUtils.getJSXElement(props.optionGroupTemplate, option, index) : props.getOptionGroupLabel(option);
const groupChildrenContent = createGroupChildren(option, style);
const groupChildrenContent = createGroupChildren(option, style, passedOptionsCount);
const key = index + '_' + props.getOptionGroupRenderKey(option);
const itemGroupProps = mergeProps(
{
Expand Down Expand Up @@ -180,6 +180,18 @@ export const DropdownPanel = React.memo(

const createItems = () => {
if (ObjectUtils.isNotEmpty(props.visibleOptions)) {


if (props.optionGroupLabel) {
let passedOptionsCount = 0

return props.visibleOptions.map((group,index) => {
passedOptionsCount += group.items.length
return createItem(group,index,{},passedOptionsCount - group.items.length)
})

}

return props.visibleOptions.map(createItem);
} else if (props.hasFilter) {
return createEmptyMessage(props.emptyFilterMessage, true);
Expand Down
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