tdesign-mobile-vue
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tdesign-mobile-vue
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{"version":3,"file":"fab.mjs","sources":["../../src/fab/fab.tsx"],"sourcesContent":["import { defineComponent, ref, computed, onMounted, watch } from 'vue';\nimport config from '../config';\nimport FabProps from './props';\nimport { useTNodeJSX } from '../hooks/tnode';\nimport { usePrefixClass } from '../hooks/useClass';\nimport TButton from '../button';\nimport { TdFabProps } from './type';\n\nconst { prefix } = config;\n\nconst getNumber = (num: string) => num.replace(/[^\\d]/g, '');\n\nexport default defineComponent({\n name: `${prefix}-fab`,\n props: FabProps,\n setup(props) {\n const renderTNodeJSX = useTNodeJSX();\n\n const fabClass = usePrefixClass('fab');\n const fabRef = ref();\n const fabButtonRef = ref();\n\n const handleClick = (e: MouseEvent) => {\n props.onClick?.({ e });\n };\n\n const mounted = ref(false);\n const fabButtonSize = ref({\n width: 48,\n height: 48,\n });\n const btnSwitchPos = ref({\n x: 16,\n y: 32,\n });\n const switchPos = ref({\n hasMoved: false, // exclude click event\n x: btnSwitchPos.value.x, // right\n y: btnSwitchPos.value.y, // bottom\n startX: 0,\n startY: 0,\n endX: 0,\n endY: 0,\n });\n\n const onTouchStart = (e: TouchEvent) => {\n switchPos.value.startX = e.touches[0].pageX;\n switchPos.value.startY = e.touches[0].pageY;\n };\n\n const onTouchMove = (e: TouchEvent) => {\n e.stopPropagation();\n e.preventDefault();\n\n if (!props.draggable) {\n return;\n }\n\n if (e.touches.length <= 0) {\n return;\n }\n const offsetX = e.touches[0].pageX - switchPos.value.startX;\n const offsetY = e.touches[0].pageY - switchPos.value.startY;\n let x = Math.floor(switchPos.value.x - offsetX);\n let y = Math.floor(switchPos.value.y - offsetY);\n [x, y] = getSwitchButtonSafeAreaXY(x, y);\n btnSwitchPos.value.x = x;\n btnSwitchPos.value.y = y;\n switchPos.value.endX = x;\n switchPos.value.endY = y;\n switchPos.value.hasMoved = true;\n };\n\n const getSwitchButtonSafeAreaXY = (x: number, y: number) => {\n const bottomThreshold = 0;\n const top = 0;\n const windowTop = 0;\n const windowBottom = 0;\n const windowWidth = Math.min(window.innerWidth, document.documentElement.clientWidth, screen.width);\n const windowHeight = Math.min(window.innerHeight, document.documentElement.clientHeight, screen.height);\n const docWidth = windowWidth;\n const docHeight = windowHeight - top;\n\n // check edge\n if (x + fabButtonSize.value.width > docWidth) {\n x = docWidth - fabButtonSize.value.width;\n }\n if (y + fabButtonSize.value.height - windowTop > docHeight) {\n y = docHeight - fabButtonSize.value.height + windowTop;\n }\n\n if (x < 0) {\n x = 0;\n }\n if (y < bottomThreshold + windowBottom) {\n y = bottomThreshold + windowBottom;\n }\n // safe area for iOS Home indicator\n return [x, y];\n };\n\n const onTouchEnd = (e: TouchEvent) => {\n if (!switchPos.value.hasMoved) {\n return;\n }\n switchPos.value.startX = 0;\n switchPos.value.startY = 0;\n switchPos.value.hasMoved = false;\n setSwitchPosition(switchPos.value.endX, switchPos.value.endY);\n };\n\n const setSwitchPosition = (switchX: number, switchY: number) => {\n [switchX, switchY] = getSwitchButtonSafeAreaXY(switchX, switchY);\n switchPos.value.x = switchX;\n switchPos.value.y = switchY;\n btnSwitchPos.value.x = switchX;\n btnSwitchPos.value.y = switchY;\n };\n\n const fabStyle = computed(() => ({\n right: `${btnSwitchPos.value.x}px`,\n bottom: `${btnSwitchPos.value.y}px`,\n }));\n\n onMounted(() => {\n mounted.value = true;\n resetDraggableParams();\n\n const info = window.getComputedStyle(fabButtonRef.value.$el);\n fabButtonSize.value.height = +getNumber(info.height);\n fabButtonSize.value.width = +getNumber(info.width);\n });\n\n const getFabOriginStyle = () => {\n const info = window.getComputedStyle(fabRef.value);\n const { right, bottom } = info || {};\n\n return {\n right: +(getNumber(right) || 0),\n bottom: +(getNumber(bottom) || 0),\n };\n };\n\n const resetDraggableParams = () => {\n const { right, bottom } = getFabOriginStyle();\n\n btnSwitchPos.value.x = right;\n btnSwitchPos.value.y = bottom;\n\n switchPos.value.x = right;\n switchPos.value.y = bottom;\n };\n\n watch(\n () => props.style,\n () => {\n resetDraggableParams();\n },\n );\n\n return () => {\n const icon = () => renderTNodeJSX('icon');\n return (\n <div\n class={fabClass.value}\n style={mounted.value && props.draggable ? { ...fabStyle.value } : props.style}\n onClick={handleClick}\n onTouchstart={onTouchStart}\n onTouchmove={onTouchMove}\n onTouchend={onTouchEnd}\n ref={fabRef}\n >\n <TButton\n size=\"large\"\n theme=\"primary\"\n shape={props.text ? 'round' : 'circle'}\n class={`${fabClass.value}__button`}\n {...(props.buttonProps as TdFabProps['buttonProps'])}\n icon={icon}\n ref={fabButtonRef}\n >\n {props.text}\n </TButton>\n </div>\n );\n };\n 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