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uptime-kuma/src/components/HeartbeatBar.vue

218 lines
5.3 KiB

<template>
<div ref="wrap" class="wrap" :style="wrapStyle">
<div class="hp-bar-big" :style="barStyle">
<div
v-for="(beat, index) in shortBeatList"
:key="index"
class="beat"
:class="{ 'empty' : (beat === 0), 'down' : (beat.status === 0), 'pending' : (beat.status === 2) }"
:style="beatStyle"
:title="getBeatTitle(beat)"
/>
</div>
</div>
</template>
<script>
export default {
props: {
size: {
type: String,
default: "big",
},
monitorId: {
type: Number,
required: true,
},
heartbeatList: {
type: Array,
default: null,
}
},
data() {
return {
beatWidth: 10,
beatHeight: 30,
hoverScale: 1.5,
beatMargin: 4,
move: false,
maxBeat: -1,
};
},
computed: {
/**
* If heartbeatList is null, get it from $root.heartbeatList
*/
beatList() {
if (this.heartbeatList === null) {
return this.$root.heartbeatList[this.monitorId];
} else {
return this.heartbeatList;
}
},
shortBeatList() {
if (! this.beatList) {
return [];
}
let placeholders = [];
let start = this.beatList.length - this.maxBeat;
if (this.move) {
start = start - 1;
}
if (start < 0) {
// Add empty placeholder
for (let i = start; i < 0; i++) {
placeholders.push(0);
}
start = 0;
}
return placeholders.concat(this.beatList.slice(start));
},
wrapStyle() {
let topBottom = (((this.beatHeight * this.hoverScale) - this.beatHeight) / 2);
let leftRight = (((this.beatWidth * this.hoverScale) - this.beatWidth) / 2);
return {
padding: `${topBottom}px ${leftRight}px`,
width: "100%",
};
},
barStyle() {
if (this.move && this.shortBeatList.length > this.maxBeat) {
let width = -(this.beatWidth + this.beatMargin * 2);
return {
transition: "all ease-in-out 0.25s",
transform: `translateX(${width}px)`,
};
}
return {
transform: "translateX(0)",
};
},
beatStyle() {
return {
width: this.beatWidth + "px",
height: this.beatHeight + "px",
margin: this.beatMargin + "px",
"--hover-scale": this.hoverScale,
};
},
},
watch: {
beatList: {
handler(val, oldVal) {
this.move = true;
setTimeout(() => {
this.move = false;
}, 300);
},
deep: true,
},
},
unmounted() {
window.removeEventListener("resize", this.resize);
},
beforeMount() {
if (this.heartbeatList === null) {
if (! (this.monitorId in this.$root.heartbeatList)) {
this.$root.heartbeatList[this.monitorId] = [];
}
}
},
mounted() {
if (this.size === "small") {
this.beatWidth = 5;
this.beatHeight = 16;
this.beatMargin = 2;
}
// Suddenly, have an idea how to handle it universally.
// If the pixel * ratio != Integer, then it causes render issue, round it to solve it!!
const actualWidth = this.beatWidth * window.devicePixelRatio;
const actualMargin = this.beatMargin * window.devicePixelRatio;
if (! Number.isInteger(actualWidth)) {
this.beatWidth = Math.round(actualWidth) / window.devicePixelRatio;
}
if (! Number.isInteger(actualMargin)) {
this.beatMargin = Math.round(actualMargin) / window.devicePixelRatio;
}
window.addEventListener("resize", this.resize);
this.resize();
},
methods: {
resize() {
if (this.$refs.wrap) {
this.maxBeat = Math.floor(this.$refs.wrap.clientWidth / (this.beatWidth + this.beatMargin * 2));
}
},
getBeatTitle(beat) {
return `${this.$root.datetime(beat.time)}` + ((beat.msg) ? ` - ${beat.msg}` : "");
}
},
};
</script>
<style lang="scss" scoped>
@import "../assets/vars.scss";
.wrap {
overflow: hidden;
width: 100%;
white-space: nowrap;
}
.hp-bar-big {
.beat {
display: inline-block;
background-color: $primary;
border-radius: $border-radius;
&.empty {
background-color: aliceblue;
}
&.down {
background-color: $danger;
}
&.pending {
background-color: $warning;
}
&:not(.empty):hover {
transition: all ease-in-out 0.15s;
opacity: 0.8;
transform: scale(var(--hover-scale));
}
}
}
.dark {
.hp-bar-big .beat.empty {
background-color: #848484;
}
}
</style>