ckgl/node_modules/vant/es/rate/Rate.mjs
2024-12-21 13:52:42 +08:00

225 lines
6.5 KiB
JavaScript

import { computed, defineComponent, ref, createVNode as _createVNode } from "vue";
import { addUnit, truthProp, numericProp, preventDefault, makeStringProp, makeNumberProp, makeNumericProp, createNamespace } from "../utils/index.mjs";
import { useRect, useCustomFieldValue, useEventListener } from "@vant/use";
import { useRefs } from "../composables/use-refs.mjs";
import { useTouch } from "../composables/use-touch.mjs";
import { Icon } from "../icon/index.mjs";
const [name, bem] = createNamespace("rate");
function getRateStatus(value, index, allowHalf, readonly) {
if (value >= index) {
return {
status: "full",
value: 1
};
}
if (value + 0.5 >= index && allowHalf && !readonly) {
return {
status: "half",
value: 0.5
};
}
if (value + 1 >= index && allowHalf && readonly) {
const cardinal = 10 ** 10;
return {
status: "half",
value: Math.round((value - index + 1) * cardinal) / cardinal
};
}
return {
status: "void",
value: 0
};
}
const rateProps = {
size: numericProp,
icon: makeStringProp("star"),
color: String,
count: makeNumericProp(5),
gutter: numericProp,
clearable: Boolean,
readonly: Boolean,
disabled: Boolean,
voidIcon: makeStringProp("star-o"),
allowHalf: Boolean,
voidColor: String,
touchable: truthProp,
iconPrefix: String,
modelValue: makeNumberProp(0),
disabledColor: String
};
var stdin_default = defineComponent({
name,
props: rateProps,
emits: ["change", "update:modelValue"],
setup(props, {
emit
}) {
const touch = useTouch();
const [itemRefs, setItemRefs] = useRefs();
const groupRef = ref();
const unselectable = computed(() => props.readonly || props.disabled);
const untouchable = computed(() => unselectable.value || !props.touchable);
const list = computed(() => Array(+props.count).fill("").map((_, i) => getRateStatus(props.modelValue, i + 1, props.allowHalf, props.readonly)));
let ranges;
let groupRefRect;
let minRectTop = Number.MAX_SAFE_INTEGER;
let maxRectTop = Number.MIN_SAFE_INTEGER;
const updateRanges = () => {
groupRefRect = useRect(groupRef);
const rects = itemRefs.value.map(useRect);
ranges = [];
rects.forEach((rect, index) => {
minRectTop = Math.min(rect.top, minRectTop);
maxRectTop = Math.max(rect.top, maxRectTop);
if (props.allowHalf) {
ranges.push({
score: index + 0.5,
left: rect.left,
top: rect.top,
height: rect.height
}, {
score: index + 1,
left: rect.left + rect.width / 2,
top: rect.top,
height: rect.height
});
} else {
ranges.push({
score: index + 1,
left: rect.left,
top: rect.top,
height: rect.height
});
}
});
};
const getScoreByPosition = (x, y) => {
for (let i = ranges.length - 1; i > 0; i--) {
if (y >= groupRefRect.top && y <= groupRefRect.bottom) {
if (x > ranges[i].left && y >= ranges[i].top && y <= ranges[i].top + ranges[i].height) {
return ranges[i].score;
}
} else {
const curTop = y < groupRefRect.top ? minRectTop : maxRectTop;
if (x > ranges[i].left && ranges[i].top === curTop) {
return ranges[i].score;
}
}
}
return props.allowHalf ? 0.5 : 1;
};
const select = (value) => {
if (unselectable.value || value === props.modelValue) return;
emit("update:modelValue", value);
emit("change", value);
};
const onTouchStart = (event) => {
if (untouchable.value) {
return;
}
touch.start(event);
updateRanges();
};
const onTouchMove = (event) => {
if (untouchable.value) {
return;
}
touch.move(event);
if (touch.isHorizontal() && !touch.isTap.value) {
const {
clientX,
clientY
} = event.touches[0];
preventDefault(event);
select(getScoreByPosition(clientX, clientY));
}
};
const renderStar = (item, index) => {
const {
icon,
size,
color,
count,
gutter,
voidIcon,
disabled,
voidColor,
allowHalf,
iconPrefix,
disabledColor
} = props;
const score = index + 1;
const isFull = item.status === "full";
const isVoid = item.status === "void";
const renderHalf = allowHalf && item.value > 0 && item.value < 1;
let style;
if (gutter && score !== +count) {
style = {
paddingRight: addUnit(gutter)
};
}
const onClickItem = (event) => {
updateRanges();
let value = allowHalf ? getScoreByPosition(event.clientX, event.clientY) : score;
if (props.clearable && touch.isTap.value && value === props.modelValue) {
value = 0;
}
select(value);
};
return _createVNode("div", {
"key": index,
"ref": setItemRefs(index),
"role": "radio",
"style": style,
"class": bem("item"),
"tabindex": disabled ? void 0 : 0,
"aria-setsize": count,
"aria-posinset": score,
"aria-checked": !isVoid,
"onClick": onClickItem
}, [_createVNode(Icon, {
"size": size,
"name": isFull ? icon : voidIcon,
"class": bem("icon", {
disabled,
full: isFull
}),
"color": disabled ? disabledColor : isFull ? color : voidColor,
"classPrefix": iconPrefix
}, null), renderHalf && _createVNode(Icon, {
"size": size,
"style": {
width: item.value + "em"
},
"name": isVoid ? voidIcon : icon,
"class": bem("icon", ["half", {
disabled,
full: !isVoid
}]),
"color": disabled ? disabledColor : isVoid ? voidColor : color,
"classPrefix": iconPrefix
}, null)]);
};
useCustomFieldValue(() => props.modelValue);
useEventListener("touchmove", onTouchMove, {
target: groupRef
});
return () => _createVNode("div", {
"ref": groupRef,
"role": "radiogroup",
"class": bem({
readonly: props.readonly,
disabled: props.disabled
}),
"tabindex": props.disabled ? void 0 : 0,
"aria-disabled": props.disabled,
"aria-readonly": props.readonly,
"onTouchstartPassive": onTouchStart
}, [list.value.map(renderStar)]);
}
});
export {
stdin_default as default,
rateProps
};