144 lines
6.2 KiB
JavaScript
144 lines
6.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var tslib_1 = require("tslib");
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var props_1 = require("./props");
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Component({
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props: props_1.ProgressBarDefaultProps,
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data: {
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curProgress: 0,
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canvasWidth: 100,
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},
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ctx: null,
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drawColor: null,
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canvas: null,
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didMount: function () {
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this.calProgress();
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},
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didUpdate: function () {
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this.calProgress();
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},
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methods: {
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requestAnimationFrame: function (fn) {
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setTimeout(fn, 16);
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},
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getDrawColor: function () {
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return tslib_1.__awaiter(this, void 0, void 0, function () {
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var _a, strokeColor, trailColor, drawColor;
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return tslib_1.__generator(this, function (_b) {
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_a = this.props, strokeColor = _a.strokeColor, trailColor = _a.trailColor;
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drawColor = {
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strokeColor: strokeColor || '#1677ff',
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trailColor: trailColor || '#F5F5F5',
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};
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return [2 /*return*/, drawColor];
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});
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});
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},
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getCanvasContext: function () {
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return tslib_1.__awaiter(this, void 0, void 0, function () {
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var systemInfo, pixelRatio;
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var _this = this;
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return tslib_1.__generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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if (this.ctx)
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return [2 /*return*/];
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return [4 /*yield*/, my.getSystemInfo()];
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case 1:
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systemInfo = _a.sent();
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pixelRatio = systemInfo.pixelRatio;
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return [2 /*return*/, new Promise(function (resolve) {
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_this.ctx = my.createCanvasContext("progress-canvas-".concat(_this.$id));
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_this.ctx.imageSmoothingEnabled = true;
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_this.ctx.imageSmoothingQuality = 'high';
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my.createSelectorQuery()
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.select('.ant-progress')
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.boundingClientRect()
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.exec(function (res) {
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var width = res[0].width;
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_this.setData({
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canvasWidth: width * pixelRatio,
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});
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resolve();
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});
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})];
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}
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});
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});
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},
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clearCanvas: function () {
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var ctx = this.ctx;
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var canvasWidth = this.data.canvasWidth;
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ctx.clearRect(0, 0, canvasWidth, canvasWidth);
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},
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updateCanvasProgress: function (prev) {
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return tslib_1.__awaiter(this, void 0, void 0, function () {
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var drawColor, curRad, targetRad, direction, draw;
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var _this = this;
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return tslib_1.__generator(this, function (_a) {
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switch (_a.label) {
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case 0: return [4 /*yield*/, this.getDrawColor()];
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case 1:
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drawColor = _a.sent();
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return [4 /*yield*/, this.getCanvasContext()];
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case 2:
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_a.sent();
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curRad = Math.floor((prev / 100) * 360);
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targetRad = Math.floor((this.data.curProgress / 100) * 360);
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direction = curRad < targetRad ? 1 : -1;
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draw = function () {
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if (curRad == targetRad)
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return;
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curRad = direction * _this.props.speed + curRad;
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if (direction == -1) {
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curRad = Math.max(curRad, targetRad);
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}
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else {
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curRad = Math.min(curRad, targetRad);
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}
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_this.clearCanvas();
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_this.drawOrbit(drawColor.trailColor);
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_this.drawProgress(drawColor.strokeColor, curRad);
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_this.ctx.draw(true);
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_this.requestAnimationFrame(draw);
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};
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draw();
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return [2 /*return*/];
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}
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});
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});
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},
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drawProgress: function (color, rad) {
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var ctx = this.ctx;
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var canvasWidth = this.data.canvasWidth;
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ctx.beginPath();
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ctx.strokeStyle = color;
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ctx.lineWidth = this.props.strokeWidth;
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ctx.setLineCap('round');
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ctx.arc(canvasWidth / 2, canvasWidth / 2, canvasWidth / 2 - this.props.strokeWidth, -Math.PI / 2, -Math.PI / 2 + (rad / 360) * 2 * Math.PI, false);
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ctx.stroke();
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},
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drawOrbit: function (color) {
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var ctx = this.ctx;
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var canvasWidth = this.data.canvasWidth;
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ctx.beginPath();
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ctx.strokeStyle = color;
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ctx.lineWidth = this.props.strokeWidth;
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ctx.arc(canvasWidth / 2, canvasWidth / 2, canvasWidth / 2 - this.props.strokeWidth, 0, Math.PI * 2, false);
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ctx.stroke();
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},
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calProgress: function () {
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var percent = +this.props.percent;
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if (isNaN(percent)) {
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return this.setData({ curProgress: 0 });
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}
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var prevProgress = this.data.curProgress;
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this.setData({
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curProgress: percent > 100 ? 100 : percent < 0 ? 0 : percent,
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});
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if (this.props.type === 'circle') {
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this.updateCanvasProgress(prevProgress);
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}
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},
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},
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}); |