提交初始版本，使用vant ui库

2024-02-01 14:38:56 +08:00
commit 787a1f26b6
480 changed files with 12239 additions and 0 deletions
--- a/miniprogram_npm/@vant/weapp/picker-column/index.js
+++ b/miniprogram_npm/@vant/weapp/picker-column/index.js
@@ -0,0 +1,122 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var component_1 = require("../common/component");
+var utils_1 = require("../common/utils");
+var validator_1 = require("../common/validator");
+var DEFAULT_DURATION = 200;
+(0, component_1.VantComponent)({
+    classes: ['active-class'],
+    props: {
+        valueKey: String,
+        className: String,
+        itemHeight: Number,
+        visibleItemCount: Number,
+        initialOptions: {
+            type: Array,
+            value: [],
+        },
+        defaultIndex: {
+            type: Number,
+            value: 0,
+            observer: function (value) {
+                this.setIndex(value);
+            },
+        },
+    },
+    data: {
+        startY: 0,
+        offset: 0,
+        duration: 0,
+        startOffset: 0,
+        options: [],
+        currentIndex: 0,
+    },
+    created: function () {
+        var _this = this;
+        var _a = this.data, defaultIndex = _a.defaultIndex, initialOptions = _a.initialOptions;
+        this.set({
+            currentIndex: defaultIndex,
+            options: initialOptions,
+        }).then(function () {
+            _this.setIndex(defaultIndex);
+        });
+    },
+    methods: {
+        getCount: function () {
+            return this.data.options.length;
+        },
+        onTouchStart: function (event) {
+            this.setData({
+                startY: event.touches[0].clientY,
+                startOffset: this.data.offset,
+                duration: 0,
+            });
+        },
+        onTouchMove: function (event) {
+            var data = this.data;
+            var deltaY = event.touches[0].clientY - data.startY;
+            this.setData({
+                offset: (0, utils_1.range)(data.startOffset + deltaY, -(this.getCount() * data.itemHeight), data.itemHeight),
+            });
+        },
+        onTouchEnd: function () {
+            var data = this.data;
+            if (data.offset !== data.startOffset) {
+                this.setData({ duration: DEFAULT_DURATION });
+                var index = (0, utils_1.range)(Math.round(-data.offset / data.itemHeight), 0, this.getCount() - 1);
+                this.setIndex(index, true);
+            }
+        },
+        onClickItem: function (event) {
+            var index = event.currentTarget.dataset.index;
+            this.setIndex(index, true);
+        },
+        adjustIndex: function (index) {
+            var data = this.data;
+            var count = this.getCount();
+            index = (0, utils_1.range)(index, 0, count);
+            for (var i = index; i < count; i++) {
+                if (!this.isDisabled(data.options[i]))
+                    return i;
+            }
+            for (var i = index - 1; i >= 0; i--) {
+                if (!this.isDisabled(data.options[i]))
+                    return i;
+            }
+        },
+        isDisabled: function (option) {
+            return (0, validator_1.isObj)(option) && option.disabled;
+        },
+        getOptionText: function (option) {
+            var data = this.data;
+            return (0, validator_1.isObj)(option) && data.valueKey in option
+                ? option[data.valueKey]
+                : option;
+        },
+        setIndex: function (index, userAction) {
+            var _this = this;
+            var data = this.data;
+            index = this.adjustIndex(index) || 0;
+            var offset = -index * data.itemHeight;
+            if (index !== data.currentIndex) {
+                return this.set({ offset: offset, currentIndex: index }).then(function () {
+                    userAction && _this.$emit('change', index);
+                });
+            }
+            return this.set({ offset: offset });
+        },
+        setValue: function (value) {
+            var options = this.data.options;
+            for (var i = 0; i < options.length; i++) {
+                if (this.getOptionText(options[i]) === value) {
+                    return this.setIndex(i);
+                }
+            }
+            return Promise.resolve();
+        },
+        getValue: function () {
+            var data = this.data;
+            return data.options[data.currentIndex];
+        },
+    },
+});