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@@ -0,0 +1,516 @@
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+<template>
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+ <view class="lime-echart" :style="customStyle" v-if="canvasId" ref="limeEchart">
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+ <!-- #ifndef APP-NVUE -->
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+ <canvas
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+ class="lime-echart__canvas"
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+ v-if="use2dCanvas"
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+ type="2d"
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+ :id="canvasId"
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+ :style="canvasStyle"
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+ :disable-scroll="isDisableScroll"
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+ @touchstart="touchStart"
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+ @touchmove="touchMove"
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+ @touchend="touchEnd"
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+ />
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+ <canvas
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+ class="lime-echart__canvas"
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+ v-else-if="isPc"
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+ :style="canvasStyle"
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+ :id="canvasId"
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+ :canvas-id="canvasId"
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+ :disable-scroll="isDisableScroll"
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+ @mousedown="touchStart"
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+ @mousemove="touchMove"
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+ @mouseup="touchEnd"
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+ />
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+ <canvas
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+ class="lime-echart__canvas"
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+ v-else
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+ :width="nodeWidth"
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+ :height="nodeHeight"
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+ :style="canvasStyle"
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+ :canvas-id="canvasId"
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+ :id="canvasId"
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+ :disable-scroll="isDisableScroll"
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+ @touchstart="touchStart"
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+ @touchmove="touchMove"
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+ @touchend="touchEnd"
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+ />
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+ <canvas v-if="isOffscreenCanvas" :style="offscreenStyle" :canvas-id="offscreenCanvasId"></canvas>
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+ <!-- #endif -->
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+ <!-- #ifdef APP-NVUE -->
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+ <web-view
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+ class="lime-echart__canvas"
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+ :id="canvasId"
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+ :style="canvasStyle"
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+ :webview-styles="webviewStyles"
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+ ref="webview"
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+ src="/uni_modules/lime-echart/static/index.html"
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+ @pagefinish="finished = true"
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+ @onPostMessage="onMessage"
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+ ></web-view>
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+ <!-- #endif -->
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+ </view>
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+</template>
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+
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+<script>
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+// #ifdef VUE3
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+// #ifdef APP-PLUS
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+global = {}
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+// #endif
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+// #endif
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+// #ifndef APP-NVUE
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+import {Canvas, setCanvasCreator, dispatch} from './canvas';
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+import { compareVersion, wrapTouch, devicePixelRatio ,sleep} from './utils';
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+// #endif
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+// #ifdef APP-NVUE
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+import { base64ToPath, sleep } from './utils';
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+// #endif
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+const charts = {}
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+const echartsObj = {}
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+export default {
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+ name: 'lime-echart',
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+ props: {
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+ // #ifdef MP-WEIXIN || MP-TOUTIAO
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+ type: {
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+ type: String,
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+ default: '2d'
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+ },
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+ // #endif
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+ // #ifdef APP-NVUE
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+ webviewStyles: Object,
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+ // hybrid: Boolean,
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+ // #endif
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+ customStyle: String,
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+ isDisableScroll: Boolean,
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+ isClickable: {
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+ type: Boolean,
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+ default: true
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+ },
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+ enableHover: Boolean,
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+ beforeDelay: {
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+ type: Number,
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+ default: 30
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+ }
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+ },
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+ data() {
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+ return {
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+ // #ifdef MP-WEIXIN || MP-TOUTIAO || MP-ALIPAY
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+ use2dCanvas: true,
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+ // #endif
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+ // #ifndef MP-WEIXIN || MP-TOUTIAO || MP-ALIPAY
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+ use2dCanvas: false,
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+ // #endif
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+ width: null,
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+ height: null,
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+ nodeWidth: null,
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+ nodeHeight: null,
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+ canvasNode: null,
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+ config: {},
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+ inited: false,
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+ finished: false,
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+ file: '',
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+ platform: '',
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+ isPc: false,
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+ isDown: false,
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+ isOffscreenCanvas: false,
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+ offscreenWidth: 0,
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+ offscreenHeight: 0
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+ };
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+ },
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+ computed: {
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+ canvasId() {
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+ return `lime-echart${this._ && this._.uid || this._uid}`
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+ },
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+ offscreenCanvasId() {
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+ return `${this.canvasId}_offscreen`
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+ },
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+ offscreenStyle() {
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+ return `width:${this.offscreenWidth}px;height: ${this.offscreenHeight}px; position: fixed; left: 99999px; background: red`
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+ },
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+ canvasStyle() {
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+ return this.width && this.height ? ('width:' + this.width + 'px;height:' + this.height + 'px') : ''
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+ }
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+ },
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+ beforeDestroy() {
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+ this.clear()
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+ this.dispose()
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+ // #ifdef H5
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+ if(this.isPc) {
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+ document.removeEventListener('mousewheel')
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+ }
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+ // #endif
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+ },
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+ created() {
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+ // #ifdef H5
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+ if(!('ontouchstart' in window)) {
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+ this.isPc = true
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+ document.addEventListener('mousewheel', (e) => {
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+ if(this.chart) {
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+ const touch = this.getTouch(e)
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+ const handler = this.chart.getZr().handler;
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+ dispatch.call(handler, 'mousewheel', touch)
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+ }
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+ })
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+ }
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+ // #endif
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+ // #ifdef MP-WEIXIN || MP-TOUTIAO || MP-ALIPAY
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+ const { SDKVersion, version, platform, environment } = uni.getSystemInfoSync();
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+ // #endif
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+ // #ifdef MP-WEIXIN
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+ this.isPC = /windows/i.test(platform)
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+ this.use2dCanvas = this.type === '2d' && compareVersion(SDKVersion, '2.9.2') >= 0 && !((/ios/i.test(platform) && /7.0.20/.test(version)) || /wxwork/i.test(environment)) && !this.isPC;
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+ // #endif
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+ // #ifdef MP-TOUTIAO
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+ this.isPC = /devtools/i.test(platform)
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+ this.use2dCanvas = this.type === '2d' && compareVersion(SDKVersion, '1.78.0') >= 0;
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+ // #endif
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+ // #ifdef MP-ALIPAY
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+ this.use2dCanvas = this.type === '2d' && compareVersion(my.SDKVersion, '2.7.0') >= 0;
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+ // #endif
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+ },
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+ mounted() {
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+ this.$nextTick(() => {
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+ this.$emit('finished')
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+ })
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+ },
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+ methods: {
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+ // #ifdef APP-NVUE
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+ onMessage(e) {
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+ const res = e?.detail?.data[0] || null;
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+ if (res?.event) {
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+ if(res.event === 'inited') {
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+ this.inited = true
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+ }
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+ this.$emit(res.event, JSON.parse(res.data));
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+ } else if(res?.file){
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+ this.file = res.data
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+ } else if(!res[0] && JSON.stringify(res[0]) != '{}'){
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+ console.error(res);
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+ } else {
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+ console.log(...res)
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+ }
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+ },
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+ // #endif
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+ setChart(callback) {
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+ if(!this.chart) {
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+ console.warn(`组件还未初始化,请先使用 init`)
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+ return
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+ }
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+ if(typeof callback === 'function' && this.chart) {
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+ callback(this.chart);
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+ }
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+ // #ifdef APP-NVUE
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+ if(typeof callback === 'function') {
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+ this.$refs.webview.evalJs(`setChart(${JSON.stringify(callback.toString())}, ${JSON.stringify(this.roptions)})`);
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+ }
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+ // #endif
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+ },
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+ setOption() {
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+ if (!this.chart || !this.chart.setOption) {
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+ console.warn(`组件还未初始化,请先使用 init`)
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+ return
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+ }
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+ // #ifndef APP-NVUE
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+ this.chart.setOption(...arguments);
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+ // #endif
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+ // #ifdef APP-NVUE
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+ this.$refs.webview.evalJs(`setOption(${JSON.stringify(arguments)})`);
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+ // #endif
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+ },
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+ showLoading() {
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+ if(this.chart) {
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+ // #ifndef APP-NVUE
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+ this.chart.showLoading(...arguments)
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+ // #endif
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+ // #ifdef APP-NVUE
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+ this.$refs.webview.evalJs(`showLoading(${JSON.stringify(arguments)})`);
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+ // #endif
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+ }
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+ },
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+ hideLoading() {
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+ if(this.chart) {
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+ // #ifndef APP-NVUE
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+ this.chart.hideLoading()
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+ // #endif
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+ // #ifdef APP-NVUE
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+ this.$refs.webview.evalJs(`hideLoading()`);
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+ // #endif
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+ }
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+ },
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+ clear() {
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+ if(this.chart) {
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+ // #ifndef APP-NVUE
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+ this.chart.clear()
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+ // #endif
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+ // #ifdef APP-NVUE
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+ this.$refs.webview.evalJs(`clear()`);
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+ // #endif
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+ }
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+ },
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+ dispose() {
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+ if(this.chart) {
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+ // #ifndef APP-NVUE
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+ this.chart.dispose()
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+ // #endif
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+ // #ifdef APP-NVUE
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+ this.$refs.webview.evalJs(`dispose()`);
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+ // #endif
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+ }
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+ },
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+ resize(size) {
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+ if(size && size.width && size.height) {
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+ this.height = size.height
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+ this.width = size.width
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+ if(this.chart) {this.chart.resize(size)}
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+ // #ifdef APP-NVUE
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+ this.$refs.webview.evalJs(`resize(${size})`);
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+ // #endif
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+ } else {
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+ this.$nextTick(() => {
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+ // #ifndef APP-NVUE
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+ uni.createSelectorQuery()
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+ .in(this)
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+ .select(`.lime-echart`)
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+ .boundingClientRect()
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+ .exec(res => {
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+ if (res) {
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+ let { width, height } = res[0];
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+ this.width = width = width || 300;
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+ this.height = height = height || 300;
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+ this.chart.resize({width, height})
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+ }
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+ });
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+ // #endif
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+ // #ifdef APP-NVUE
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+ this.$refs.webview.evalJs(`resize()`);
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+ // #endif
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+ })
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+
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+ }
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+
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+ },
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+ canvasToTempFilePath(args = {}) {
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+ // #ifndef APP-NVUE
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+ const { use2dCanvas, canvasId, canvasNode } = this;
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+ return new Promise((resolve, reject) => {
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+ const copyArgs = Object.assign({
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+ canvasId,
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+ success: resolve,
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+ fail: reject
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+ }, args);
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+ if (use2dCanvas) {
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+ delete copyArgs.canvasId;
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+ copyArgs.canvas = canvasNode;
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+ }
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+ uni.canvasToTempFilePath(copyArgs, this);
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+ });
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+ // #endif
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+ // #ifdef APP-NVUE
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+ this.file = ''
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+ this.$refs.webview.evalJs(`canvasToTempFilePath()`);
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+ return new Promise((resolve, reject) => {
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+ this.$watch('file', async (file) => {
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+ if(file) {
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+ const tempFilePath = await base64ToPath(file)
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+ resolve(args.success({tempFilePath}))
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+ } else {
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+ reject(args.fail({error: ``}))
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+ }
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+ })
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+ })
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+ // #endif
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+ },
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+ async init(echarts, ...args) {
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+ // #ifdef APP-NVUE
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+ if(arguments && !arguments.length) {
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+ console.error('缺少参数:init(theme?:string, opts?: object, callback: function)')
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+ return
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+ }
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+ // #endif
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+ // #ifndef APP-NVUE
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+ if(arguments && arguments.length < 2) {
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+ console.error('缺少参数:init(echarts, theme?:string, opts?: object, callback: function)')
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+ return
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+ }
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+ // #endif
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+ let theme=null,opts={},callback;
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+
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+ Array.from(arguments).forEach(item => {
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+ if(typeof item === 'function') {
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+ callback = item
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+ }
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+ if(['string'].includes(typeof item)) {
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+ theme = item
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+ }
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+ if(typeof item === 'object') {
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+ opts = item
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+ }
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+ })
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+
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+ if(this.beforeDelay) {
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+ await sleep(this.beforeDelay)
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+ }
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+ let config = await this.getContext();
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+ // #ifndef APP-NVUE
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+ if(typeof callback === 'function') {
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+ setCanvasCreator(echarts, config)
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+ this.chart = echarts.init(config.canvas, theme, Object.assign({}, config, opts))
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+ callback(this.chart)
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+ } else {
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+ console.error('callback 非 function')
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+ }
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+ // #endif
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+ // #ifdef APP-NVUE
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+ if(callback) {
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+ this.chart = {
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+ setOption: (options) => {
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+ this.roptions = options
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+ }
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+ }
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+ callback(this.chart)
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+ this.$refs.webview.evalJs(`init(${JSON.stringify(callback.toString())}, ${JSON.stringify(this.roptions)}, ${JSON.stringify(opts)}, ${theme})`)
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+ } else {
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+ console.error('callback 非 function')
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+ }
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+ // #endif
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+ },
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+ getContext() {
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+ // #ifdef APP-NVUE
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+ if(this.finished) {
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+ return Promise.resolve(this.finished)
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+ }
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+ return new Promise(resolve => {
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+ this.$watch('finished', (val) => {
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+ if(val) {
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+ resolve(this.finished)
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+ }
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+ })
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+ })
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+ // #endif
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+ // #ifndef APP-NVUE
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+ const { use2dCanvas} = this;
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+ let dpr = devicePixelRatio
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+ if (use2dCanvas) {
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+ return new Promise(resolve => {
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+ uni.createSelectorQuery()
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+ .in(this)
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+ .select(`#${this.canvasId}`)
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+ .fields({
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+ node: true,
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+ size: true
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+ })
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+ .exec(res => {
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+ let { node, width, height } = res[0];
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+ this.width = width = width || 300;
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+ this.height = height = height || 300;
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+ const ctx = node.getContext('2d');
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+ const canvas = new Canvas(ctx, this, true, node);
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+ this.canvasNode = node
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+ resolve({ canvas, width, height, devicePixelRatio: dpr, node });
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+ });
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+ });
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+ }
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+ return new Promise(resolve => {
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+ uni.createSelectorQuery()
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+ .in(this)
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+ .select(`#${this.canvasId}`)
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+ .boundingClientRect()
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+ .exec(res => {
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+ if (res) {
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+ let { width, height } = res[0];
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+ this.width = width = width || 300;
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+ this.height = height = height || 300;
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+ // #ifdef MP-TOUTIAO
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+ dpr = !this.isPC ? devicePixelRatio : 1// 1.25
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+ // #endif
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+ // #ifndef MP-ALIPAY || MP-TOUTIAO
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+ dpr = this.isPC ? devicePixelRatio : 1
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+ // #endif
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+ // #ifdef MP-ALIPAY || MP-LARK
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+ dpr = devicePixelRatio
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+ // #endif
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|
+ this.rect = res[0]
|
|
|
+ this.nodeWidth = width * dpr;
|
|
|
+ this.nodeHeight = height * dpr;
|
|
|
+ const ctx = uni.createCanvasContext(this.canvasId, this);
|
|
|
+ const canvas = new Canvas(ctx, this, false);
|
|
|
+ resolve({ canvas, width, height, devicePixelRatio: dpr });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ // #endif
|
|
|
+ },
|
|
|
+ // #ifndef APP-NVUE
|
|
|
+ getRelative(e) {
|
|
|
+ return {x: e.pageX - this.rect.left, y: e.pageY - this.rect.top, wheelDelta: e.wheelDelta}
|
|
|
+ },
|
|
|
+ getTouch(e) {
|
|
|
+ return e.touches && e.touches[0] && e.touches[0].x ? e.touches[0] : this.getRelative(e);
|
|
|
+ },
|
|
|
+ touchStart(e) {
|
|
|
+ this.isDown = true
|
|
|
+ if (this.chart && ((e.touches.length > 0 || e.touches['0']) && e.type != 'mousemove' || e.type == 'mousedown')) {
|
|
|
+ const touch = this.getTouch(e)
|
|
|
+ this.startX = touch.x
|
|
|
+ this.startY = touch.y
|
|
|
+ this.startT = new Date()
|
|
|
+ const handler = this.chart.getZr().handler;
|
|
|
+ dispatch.call(handler, 'mousedown', touch)
|
|
|
+ dispatch.call(handler, 'mousemove', touch)
|
|
|
+ handler.processGesture(wrapTouch(e), 'start');
|
|
|
+ clearTimeout(this.endTimer);
|
|
|
+ }
|
|
|
+ },
|
|
|
+ touchMove(e) {
|
|
|
+ if(this.isPc && this.enableHover && !this.isDown) {this.isDown = true}
|
|
|
+ if (this.chart && ((e.touches.length > 0 || e.touches['0']) && e.type != 'mousemove' || e.type == 'mousemove' && this.isDown)) {
|
|
|
+ const handler = this.chart.getZr().handler;
|
|
|
+ dispatch.call(handler, 'mousemove', this.getTouch(e))
|
|
|
+ handler.processGesture(wrapTouch(e), 'change');
|
|
|
+ }
|
|
|
+ },
|
|
|
+ touchEnd(e) {
|
|
|
+ this.isDown = false
|
|
|
+ if (this.chart) {
|
|
|
+ const {x} = e.changedTouches && e.changedTouches[0] || {}
|
|
|
+ const touch = (x ? e.changedTouches[0] : this.getRelative(e)) || {};
|
|
|
+ const handler = this.chart.getZr().handler;
|
|
|
+ const isClick = Math.abs(touch.x - this.startX) < 10 && new Date() - this.startT < 200;
|
|
|
+ dispatch.call(handler, 'mouseup', touch)
|
|
|
+ handler.processGesture(wrapTouch(e), 'end');
|
|
|
+ if(isClick) {
|
|
|
+ dispatch.call(handler, 'click', touch)
|
|
|
+ } else {
|
|
|
+ this.endTimer = setTimeout(() => {
|
|
|
+ dispatch.call(handler, 'mousemove', {x: 999999999,y: 999999999});
|
|
|
+ dispatch.call(handler, 'mouseup', {x: 999999999,y: 999999999});
|
|
|
+ },50)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // #endif
|
|
|
+ }
|
|
|
+};
|
|
|
+</script>
|
|
|
+<style scoped>
|
|
|
+.lime-echart {
|
|
|
+ position: relative;
|
|
|
+ /* #ifndef APP-NVUE */
|
|
|
+ width: 100%;
|
|
|
+ height: 100%;
|
|
|
+ /* #endif */
|
|
|
+ /* #ifdef APP-NVUE */
|
|
|
+ flex: 1;
|
|
|
+ /* #endif */
|
|
|
+}
|
|
|
+.lime-echart__canvas {
|
|
|
+ /* #ifndef APP-NVUE */
|
|
|
+ width: 100%;
|
|
|
+ height: 100%;
|
|
|
+ /* #endif */
|
|
|
+ /* #ifdef APP-NVUE */
|
|
|
+ flex: 1;
|
|
|
+ /* #endif */
|
|
|
+}
|
|
|
+</style>
|