lc
8c7f633541
- var→const/let, function→arrow/class across all 13 JS files - Timer: prototype→class with ES6 getters - plan days: IIFE→Array.from declarative generation - storage/plan: unified formatDate via util.js - Bugfix: getPlanDay now filters by planId (plan switch accuracy) - Bugfix: getTodayRecord searches all months (cross-month boundary) - WXML/WXSS unchanged; public API unchanged
89 lines
2.4 KiB
JavaScript
89 lines
2.4 KiB
JavaScript
const util = require('../../utils/util')
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Component({
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properties: {
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duration: { type: Number, value: 60 },
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remaining: { type: Number, value: 60 },
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size: { type: Number, value: 280 },
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ringWidth: { type: Number, value: 14 },
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status: { type: String, value: 'idle' },
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primaryColor: { type: String, value: '#FF6B35' },
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primaryLightColor: { type: String, value: '#FF8C5A' }
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},
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data: {
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displayTime: '00:00',
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statusText: '准备开始'
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},
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observers: {
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'remaining, status, duration, size, ringWidth, primaryColor'() {
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const texts = { idle: '准备开始', running: '坚持住', paused: '已暂停', completed: '完成!' }
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this.setData({
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displayTime: util.formatTime(this.data.remaining),
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statusText: texts[this.data.status] || ''
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})
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this._draw()
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}
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},
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lifetimes: {
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ready() {
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const query = this.createSelectorQuery()
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query.select('#ringCanvas')
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.fields({ node: true, size: true })
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.exec((res) => {
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if (!res || !res[0] || !res[0].node) return
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const canvas = res[0].node
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const dpr = wx.getSystemInfoSync().pixelRatio || 2
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const displaySize = this.data.size
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canvas.width = displaySize * dpr
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canvas.height = displaySize * dpr
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this._ctx = canvas.getContext('2d')
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this._dpr = dpr
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this._draw()
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})
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}
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},
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methods: {
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_draw() {
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const ctx = this._ctx
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if (!ctx) return
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const { size, ringWidth, duration, remaining, primaryColor } = this.data
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const dpr = this._dpr
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const w = size * dpr
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const h = size * dpr
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ctx.clearRect(0, 0, w, h)
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const cx = w / 2
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const cy = h / 2
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const radius = (size - ringWidth) / 2 * dpr
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const lw = ringWidth * dpr
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// track ring
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ctx.beginPath()
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ctx.arc(cx, cy, radius, 0, Math.PI * 2)
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ctx.strokeStyle = '#EEEEEE'
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ctx.lineWidth = lw
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ctx.lineCap = 'round'
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ctx.stroke()
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// progress arc (clockwise from 12 o'clock)
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const ratio = duration > 0 ? Math.max(0, Math.min(1, remaining / duration)) : 0
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if (ratio > 0.001) {
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const startAngle = -Math.PI / 2
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const endAngle = startAngle + ratio * Math.PI * 2
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ctx.beginPath()
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ctx.arc(cx, cy, radius, startAngle, endAngle)
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ctx.strokeStyle = primaryColor
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ctx.lineWidth = lw
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ctx.lineCap = 'round'
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ctx.stroke()
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}
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}
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}
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})
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