|
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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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<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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import {Echarts} from './nvue'
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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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|
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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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|
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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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|
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// #endif
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|
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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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|
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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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|
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offscreenWidth: 0,
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offscreenHeight: 0
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|
|
};
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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() {
|
|
|
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() {
|
|
|
// #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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|
|
// 截止 2023-03-22 mac pc小程序不支持 canvas 2d
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|
|
this.use2dCanvas = platform !=='mac' && 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() {
|
|
|
this.$nextTick(() => {
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|
|
this.$emit('finished')
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|
|
})
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|
|
},
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|
|
methods: {
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|
|
// #ifdef APP-NVUE
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|
|
onMessage(e) {
|
|
|
const res = e?.detail?.data[0] || null;
|
|
|
if (res?.event) {
|
|
|
if(res.event === 'inited') {
|
|
|
this.inited = true
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|
|
}
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|
|
this.$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 {
|
|
|
console.log(...res)
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|
|
}
|
|
|
},
|
|
|
// #endif
|
|
|
setChart(callback) {
|
|
|
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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|
|
}
|
|
|
// #ifdef APP-NVUE
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|
|
if(typeof callback === 'function') {
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|
|
this.$refs.webview.evalJs(`setChart(${JSON.stringify(callback.toString())}, ${JSON.stringify(this.chart.options)})`);
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|
|
}
|
|
|
// #endif
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|
|
},
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|
|
setOption() {
|
|
|
if (!this.chart || !this.chart.setOption) {
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|
|
console.warn(`组件还未初始化，请先使用 init`)
|
|
|
return
|
|
|
}
|
|
|
this.chart.setOption(...arguments);
|
|
|
},
|
|
|
showLoading() {
|
|
|
if(this.chart) {
|
|
|
this.chart.showLoading(...arguments)
|
|
|
}
|
|
|
},
|
|
|
hideLoading() {
|
|
|
if(this.chart) {
|
|
|
this.chart.hideLoading()
|
|
|
}
|
|
|
},
|
|
|
clear() {
|
|
|
if(this.chart) {
|
|
|
this.chart.clear()
|
|
|
}
|
|
|
},
|
|
|
dispose() {
|
|
|
if(this.chart) {
|
|
|
this.chart.dispose()
|
|
|
}
|
|
|
},
|
|
|
resize(size) {
|
|
|
if(size && size.width && size.height) {
|
|
|
this.height = size.height
|
|
|
this.width = size.width
|
|
|
if(this.chart) {this.chart.resize(size)}
|
|
|
} else {
|
|
|
this.$nextTick(() => {
|
|
|
uni.createSelectorQuery()
|
|
|
.in(this)
|
|
|
.select(`.lime-echart`)
|
|
|
.boundingClientRect()
|
|
|
.exec(res => {
|
|
|
if (res) {
|
|
|
let { width, height } = res[0];
|
|
|
this.width = width = width || 300;
|
|
|
this.height = height = height || 300;
|
|
|
this.chart.resize({width, height})
|
|
|
}
|
|
|
});
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
},
|
|
|
canvasToTempFilePath(args = {}) {
|
|
|
// #ifndef APP-NVUE
|
|
|
const { use2dCanvas, canvasId, canvasNode } = this;
|
|
|
return new Promise((resolve, reject) => {
|
|
|
const copyArgs = Object.assign({
|
|
|
canvasId,
|
|
|
success: resolve,
|
|
|
fail: reject
|
|
|
}, args);
|
|
|
if (use2dCanvas) {
|
|
|
delete copyArgs.canvasId;
|
|
|
copyArgs.canvas = canvasNode;
|
|
|
}
|
|
|
uni.canvasToTempFilePath(copyArgs, this);
|
|
|
});
|
|
|
// #endif
|
|
|
// #ifdef APP-NVUE
|
|
|
this.file = ''
|
|
|
this.$refs.webview.evalJs(`canvasToTempFilePath()`);
|
|
|
return new Promise((resolve, reject) => {
|
|
|
this.$watch('file', async (file) => {
|
|
|
if(file) {
|
|
|
const tempFilePath = await base64ToPath(file)
|
|
|
resolve(args.success({tempFilePath}))
|
|
|
} else {
|
|
|
reject(args.fail({error: ``}))
|
|
|
}
|
|
|
})
|
|
|
})
|
|
|
// #endif
|
|
|
},
|
|
|
async init(echarts, ...args) {
|
|
|
// #ifndef APP-NVUE
|
|
|
if(arguments && arguments.length < 1) {
|
|
|
console.error('缺少参数：init(echarts, theme?:string, opts?: object, callback?: function)')
|
|
|
return
|
|
|
}
|
|
|
// #endif
|
|
|
let theme=null,opts={},callback;
|
|
|
|
|
|
Array.from(arguments).forEach(item => {
|
|
|
if(typeof item === 'function') {
|
|
|
callback = item
|
|
|
}
|
|
|
if(['string'].includes(typeof item)) {
|
|
|
theme = item
|
|
|
}
|
|
|
if(typeof item === 'object') {
|
|
|
opts = item
|
|
|
}
|
|
|
})
|
|
|
|
|
|
if(this.beforeDelay) {
|
|
|
await sleep(this.beforeDelay)
|
|
|
}
|
|
|
let config = await this.getContext();
|
|
|
// #ifndef APP-NVUE
|
|
|
setCanvasCreator(echarts, config)
|
|
|
this.chart = echarts.init(config.canvas, theme, Object.assign({}, config, opts))
|
|
|
if(typeof callback === 'function') {
|
|
|
callback(this.chart)
|
|
|
} else {
|
|
|
return this.chart
|
|
|
}
|
|
|
// #endif
|
|
|
// #ifdef APP-NVUE
|
|
|
this.chart = new Echarts(this.$refs.webview)
|
|
|
this.$refs.webview.evalJs(`init(null, null, ${JSON.stringify(opts)}, ${theme})`)
|
|
|
if(callback) {
|
|
|
callback(this.chart)
|
|
|
} else {
|
|
|
return this.chart
|
|
|
}
|
|
|
// #endif
|
|
|
},
|
|
|
getContext() {
|
|
|
// #ifdef APP-NVUE
|
|
|
if(this.finished) {
|
|
|
return Promise.resolve(this.finished)
|
|
|
}
|
|
|
return new Promise(resolve => {
|
|
|
this.$watch('finished', (val) => {
|
|
|
if(val) {
|
|
|
resolve(this.finished)
|
|
|
}
|
|
|
})
|
|
|
})
|
|
|
// #endif
|
|
|
// #ifndef APP-NVUE
|
|
|
const { use2dCanvas } = this;
|
|
|
let dpr = devicePixelRatio
|
|
|
if (use2dCanvas) {
|
|
|
return new Promise(resolve => {
|
|
|
uni.createSelectorQuery()
|
|
|
.in(this)
|
|
|
.select(`#${this.canvasId}`)
|
|
|
.fields({
|
|
|
node: true,
|
|
|
size: true
|
|
|
})
|
|
|
.exec(res => {
|
|
|
let { node, width, height } = res[0];
|
|
|
this.width = width = width || 300;
|
|
|
this.height = height = height || 300;
|
|
|
const ctx = node.getContext('2d');
|
|
|
const canvas = new Canvas(ctx, this, true, node);
|
|
|
this.canvasNode = node
|
|
|
resolve({ canvas, width, height, devicePixelRatio: dpr, node });
|
|
|
});
|
|
|
});
|
|
|
}
|
|
|
return new Promise(resolve => {
|
|
|
uni.createSelectorQuery()
|
|
|
.in(this)
|
|
|
.select(`#${this.canvasId}`)
|
|
|
.boundingClientRect()
|
|
|
.exec(res => {
|
|
|
if (res) {
|
|
|
let { width, height } = res[0];
|
|
|
this.width = width = width || 300;
|
|
|
this.height = height = height || 300;
|
|
|
// #ifdef MP-TOUTIAO
|
|
|
dpr = !this.isPC ? devicePixelRatio : 1// 1.25
|
|
|
// #endif
|
|
|
// #ifndef MP-ALIPAY || MP-TOUTIAO
|
|
|
dpr = this.isPC ? devicePixelRatio : 1
|
|
|
// #endif
|
|
|
// #ifdef MP-ALIPAY || MP-LARK
|
|
|
dpr = devicePixelRatio
|
|
|
// #endif
|
|
|
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>
|
