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feat: fix #876 Added support for keyboard on component tab #877

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feat: fix #876 Added support for keyboard on component tab #877

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93 changes: 93 additions & 0 deletions packages/applet/src/modules/components/index.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -279,6 +279,99 @@ useEventListener('keydown', (event) => {
}
})

useEventListener('keydown', (event) => {
if (!activeComponentId.value)
return

switch (event.key) {
case 'ArrowRight':
handleArrowRight()
break
case 'ArrowLeft':
handleArrowLeft()
break
case 'ArrowDown':
handleArrowDown()
event.preventDefault()
break
case 'ArrowUp':
handleArrowUp()
event.preventDefault()
break
case ' ':
case 'Enter': {
handleEnter()
event.preventDefault()
break
}
}
})

function handleArrowRight() {
if (!expandedTreeNodes.value.includes(activeComponentId.value)) {
expandedTreeNodes.value.push(activeComponentId.value)
}
}

function handleArrowLeft() {
if (expandedTreeNodes.value.includes(activeComponentId.value)) {
expandedTreeNodes.value.splice(expandedTreeNodes.value.indexOf(activeComponentId.value), 1)
}
}

function handleArrowDown() {
const activeComponentIdIndex = flattenedTreeNodesIds.value.indexOf(activeComponentId.value)
const isActiveComponentExpanded = expandedTreeNodes.value.includes(activeComponentId.value)

if (isActiveComponentExpanded && activeComponentIdIndex >= 0 && activeComponentIdIndex < flattenedTreeNodesIds.value.length - 1) {
activeComponentId.value = flattenedTreeNodesIds.value[activeComponentIdIndex + 1]
}
else if (activeComponentIdIndex === 0) {
return false
}
else {
const listIndex = treeNodeLinkedList.value.findIndex(arr => arr.includes(activeComponentId.value))
const nextTree = treeNodeLinkedList.value[listIndex + 1]
if (nextTree) {
activeComponentId.value = nextTree[1]
}
}
}

function handleArrowUp() {
const isSubTreeRoot = treeNodeLinkedList.value.some(chain => chain[1] === activeComponentId.value)

if (isSubTreeRoot) {
activeComponentId.value = getPrevExpandedNode()
}
else {
const currentIndex = flattenedTreeNodesIds.value.indexOf(activeComponentId.value)
if (currentIndex > 0) {
activeComponentId.value = flattenedTreeNodesIds.value[currentIndex - 1]
}
}
}

function handleEnter() {
const node = flattenedTreeNodes.value.find(item => item.id === activeComponentId.value)
if (!node?.children?.length)
return

const index = expandedTreeNodes.value.indexOf(activeComponentId.value)
if (index === -1)
expandedTreeNodes.value.push(activeComponentId.value)
else expandedTreeNodes.value.splice(index, 1)
}

function getPrevExpandedNode() {
const list = treeNodeLinkedList.value
const listIndex = list.findIndex((chain: string[]) => chain.includes(activeComponentId.value))
if (listIndex > 0) {
return list[listIndex - 1].find(id => !expandedTreeNodes.value.includes(id)) || list[listIndex - 1][1]
}
return list[listIndex][0]
}

function scrollToComponent() {
rpc.value.scrollToComponent(activeComponentId.value)
}
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