ckgl/node_modules/vant/lib/slider/Slider.js
2024-12-21 13:52:42 +08:00

306 lines
9.7 KiB
JavaScript

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name2 in all)
__defProp(target, name2, { get: all[name2], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var stdin_exports = {};
__export(stdin_exports, {
default: () => stdin_default,
sliderProps: () => sliderProps
});
module.exports = __toCommonJS(stdin_exports);
var import_vue = require("vue");
var import_utils = require("../utils");
var import_use = require("@vant/use");
var import_use_touch = require("../composables/use-touch");
const [name, bem] = (0, import_utils.createNamespace)("slider");
const sliderProps = {
min: (0, import_utils.makeNumericProp)(0),
max: (0, import_utils.makeNumericProp)(100),
step: (0, import_utils.makeNumericProp)(1),
range: Boolean,
reverse: Boolean,
disabled: Boolean,
readonly: Boolean,
vertical: Boolean,
barHeight: import_utils.numericProp,
buttonSize: import_utils.numericProp,
activeColor: String,
inactiveColor: String,
modelValue: {
type: [Number, Array],
default: 0
}
};
var stdin_default = (0, import_vue.defineComponent)({
name,
props: sliderProps,
emits: ["change", "dragEnd", "dragStart", "update:modelValue"],
setup(props, {
emit,
slots
}) {
let buttonIndex;
let current;
let startValue;
const root = (0, import_vue.ref)();
const slider = [(0, import_vue.ref)(), (0, import_vue.ref)()];
const dragStatus = (0, import_vue.ref)();
const touch = (0, import_use_touch.useTouch)();
const scope = (0, import_vue.computed)(() => Number(props.max) - Number(props.min));
const wrapperStyle = (0, import_vue.computed)(() => {
const crossAxis = props.vertical ? "width" : "height";
return {
background: props.inactiveColor,
[crossAxis]: (0, import_utils.addUnit)(props.barHeight)
};
});
const isRange = (val) => props.range && Array.isArray(val);
const calcMainAxis = () => {
const {
modelValue,
min
} = props;
if (isRange(modelValue)) {
return `${(modelValue[1] - modelValue[0]) * 100 / scope.value}%`;
}
return `${(modelValue - Number(min)) * 100 / scope.value}%`;
};
const calcOffset = () => {
const {
modelValue,
min
} = props;
if (isRange(modelValue)) {
return `${(modelValue[0] - Number(min)) * 100 / scope.value}%`;
}
return "0%";
};
const barStyle = (0, import_vue.computed)(() => {
const mainAxis = props.vertical ? "height" : "width";
const style = {
[mainAxis]: calcMainAxis(),
background: props.activeColor
};
if (dragStatus.value) {
style.transition = "none";
}
const getPositionKey = () => {
if (props.vertical) {
return props.reverse ? "bottom" : "top";
}
return props.reverse ? "right" : "left";
};
style[getPositionKey()] = calcOffset();
return style;
});
const format = (value) => {
const min = +props.min;
const max = +props.max;
const step = +props.step;
value = (0, import_utils.clamp)(value, min, max);
const diff = Math.round((value - min) / step) * step;
return (0, import_utils.addNumber)(min, diff);
};
const updateStartValue = () => {
const current2 = props.modelValue;
if (isRange(current2)) {
startValue = current2.map(format);
} else {
startValue = format(current2);
}
};
const handleRangeValue = (value) => {
var _a, _b;
const left = (_a = value[0]) != null ? _a : Number(props.min);
const right = (_b = value[1]) != null ? _b : Number(props.max);
return left > right ? [right, left] : [left, right];
};
const updateValue = (value, end) => {
if (isRange(value)) {
value = handleRangeValue(value).map(format);
} else {
value = format(value);
}
if (!(0, import_utils.isSameValue)(value, props.modelValue)) {
emit("update:modelValue", value);
}
if (end && !(0, import_utils.isSameValue)(value, startValue)) {
emit("change", value);
}
};
const onClick = (event) => {
event.stopPropagation();
if (props.disabled || props.readonly) {
return;
}
updateStartValue();
const {
min,
reverse,
vertical,
modelValue
} = props;
const rect = (0, import_use.useRect)(root);
const getDelta = () => {
if (vertical) {
if (reverse) {
return rect.bottom - event.clientY;
}
return event.clientY - rect.top;
}
if (reverse) {
return rect.right - event.clientX;
}
return event.clientX - rect.left;
};
const total = vertical ? rect.height : rect.width;
const value = Number(min) + getDelta() / total * scope.value;
if (isRange(modelValue)) {
const [left, right] = modelValue;
const middle = (left + right) / 2;
if (value <= middle) {
updateValue([value, right], true);
} else {
updateValue([left, value], true);
}
} else {
updateValue(value, true);
}
};
const onTouchStart = (event) => {
if (props.disabled || props.readonly) {
return;
}
touch.start(event);
current = props.modelValue;
updateStartValue();
dragStatus.value = "start";
};
const onTouchMove = (event) => {
if (props.disabled || props.readonly) {
return;
}
if (dragStatus.value === "start") {
emit("dragStart", event);
}
(0, import_utils.preventDefault)(event, true);
touch.move(event);
dragStatus.value = "dragging";
const rect = (0, import_use.useRect)(root);
const delta = props.vertical ? touch.deltaY.value : touch.deltaX.value;
const total = props.vertical ? rect.height : rect.width;
let diff = delta / total * scope.value;
if (props.reverse) {
diff = -diff;
}
if (isRange(startValue)) {
const index = props.reverse ? 1 - buttonIndex : buttonIndex;
current[index] = startValue[index] + diff;
} else {
current = startValue + diff;
}
updateValue(current);
};
const onTouchEnd = (event) => {
if (props.disabled || props.readonly) {
return;
}
if (dragStatus.value === "dragging") {
updateValue(current, true);
emit("dragEnd", event);
}
dragStatus.value = "";
};
const getButtonClassName = (index) => {
if (typeof index === "number") {
const position = ["left", "right"];
return bem(`button-wrapper`, position[index]);
}
return bem("button-wrapper", props.reverse ? "left" : "right");
};
const renderButtonContent = (value, index) => {
const dragging = dragStatus.value === "dragging";
if (typeof index === "number") {
const slot = slots[index === 0 ? "left-button" : "right-button"];
let dragIndex;
if (dragging && Array.isArray(current)) {
dragIndex = current[0] > current[1] ? buttonIndex ^ 1 : buttonIndex;
}
if (slot) {
return slot({
value,
dragging,
dragIndex
});
}
}
if (slots.button) {
return slots.button({
value,
dragging
});
}
return (0, import_vue.createVNode)("div", {
"class": bem("button"),
"style": (0, import_utils.getSizeStyle)(props.buttonSize)
}, null);
};
const renderButton = (index) => {
const current2 = typeof index === "number" ? props.modelValue[index] : props.modelValue;
return (0, import_vue.createVNode)("div", {
"ref": slider[index != null ? index : 0],
"role": "slider",
"class": getButtonClassName(index),
"tabindex": props.disabled ? void 0 : 0,
"aria-valuemin": props.min,
"aria-valuenow": current2,
"aria-valuemax": props.max,
"aria-disabled": props.disabled || void 0,
"aria-readonly": props.readonly || void 0,
"aria-orientation": props.vertical ? "vertical" : "horizontal",
"onTouchstartPassive": (event) => {
if (typeof index === "number") {
buttonIndex = index;
}
onTouchStart(event);
},
"onTouchend": onTouchEnd,
"onTouchcancel": onTouchEnd,
"onClick": import_utils.stopPropagation
}, [renderButtonContent(current2, index)]);
};
updateValue(props.modelValue);
(0, import_use.useCustomFieldValue)(() => props.modelValue);
slider.forEach((item) => {
(0, import_use.useEventListener)("touchmove", onTouchMove, {
target: item
});
});
return () => (0, import_vue.createVNode)("div", {
"ref": root,
"style": wrapperStyle.value,
"class": bem({
vertical: props.vertical,
disabled: props.disabled
}),
"onClick": onClick
}, [(0, import_vue.createVNode)("div", {
"class": bem("bar"),
"style": barStyle.value
}, [props.range ? [renderButton(0), renderButton(1)] : renderButton()])]);
}
});