primevue-mirror/apps/showcase/doc/chart/StackedBarDoc.vue

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<template>
<DocSectionText v-bind="$attrs">
<p>Bars can be stacked on top of each other when <i>stacked</i> option of a scale is enabled.</p>
</DocSectionText>
<div class="card">
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<Chart type="bar" :data="chartData" :options="chartOptions" class="h-[30rem]" />
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</div>
<DocSectionCode :code="code" :dependencies="{ 'chart.js': '3.3.2' }" component="Chart" />
</template>
<script>
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import EventBus from '@/app/AppEventBus';
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export default {
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redrawListener: null,
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data() {
return {
chartData: null,
chartOptions: null,
code: {
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basic: `
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<Chart type="bar" :data="chartData" :options="chartOptions" class="h-[30rem]" />
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`,
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options: `
<template>
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<div class="card">
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<Chart type="bar" :data="chartData" :options="chartOptions" class="h-[30rem]" />
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</div>
</template>
<script>
export default {
data() {
return {
chartData: null,
chartOptions: null
};
},
mounted() {
this.chartData = this.setChartData();
this.chartOptions = this.setChartOptions();
},
methods: {
setChartData() {
const documentStyle = getComputedStyle(document.documentElement);
return {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [
{
type: 'bar',
label: 'Dataset 1',
backgroundColor: documentStyle.getPropertyValue('--p-cyan-500'),
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data: [50, 25, 12, 48, 90, 76, 42]
},
{
type: 'bar',
label: 'Dataset 2',
backgroundColor: documentStyle.getPropertyValue('--p-gray-500'),
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data: [21, 84, 24, 75, 37, 65, 34]
},
{
type: 'bar',
label: 'Dataset 3',
backgroundColor: documentStyle.getPropertyValue('--p-orange-500'),
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data: [41, 52, 24, 74, 23, 21, 32]
}
]
};
},
setChartOptions() {
const documentStyle = getComputedStyle(document.documentElement);
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const textColor = documentStyle.getPropertyValue('--p-text-color');
const textColorSecondary = documentStyle.getPropertyValue('--p-text-muted-color');
const surfaceBorder = documentStyle.getPropertyValue('--p-content-border-color');
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return {
maintainAspectRatio: false,
aspectRatio: 0.8,
plugins: {
tooltips: {
mode: 'index',
intersect: false
},
legend: {
labels: {
color: textColor
}
}
},
scales: {
x: {
stacked: true,
ticks: {
color: textColorSecondary
},
grid: {
color: surfaceBorder
}
},
y: {
stacked: true,
ticks: {
color: textColorSecondary
},
grid: {
color: surfaceBorder
}
}
}
};
}
}
};
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<\/script>
`,
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composition: `
<template>
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<div class="card">
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<Chart type="bar" :data="chartData" :options="chartOptions" class="h-[30rem]" />
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</div>
</template>
<script setup>
import { ref, onMounted } from "vue";
onMounted(() => {
chartData.value = setChartData();
chartOptions.value = setChartOptions();
});
const chartData = ref();
const chartOptions = ref();
const setChartData = () => {
const documentStyle = getComputedStyle(document.documentElement);
return {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [
{
type: 'bar',
label: 'Dataset 1',
backgroundColor: documentStyle.getPropertyValue('--p-cyan-500'),
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data: [50, 25, 12, 48, 90, 76, 42]
},
{
type: 'bar',
label: 'Dataset 2',
backgroundColor: documentStyle.getPropertyValue('--p-gray-500'),
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data: [21, 84, 24, 75, 37, 65, 34]
},
{
type: 'bar',
label: 'Dataset 3',
backgroundColor: documentStyle.getPropertyValue('--p-orange-500'),
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data: [41, 52, 24, 74, 23, 21, 32]
}
]
};
};
const setChartOptions = () => {
const documentStyle = getComputedStyle(document.documentElement);
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const textColor = documentStyle.getPropertyValue('--p-text-color');
const textColorSecondary = documentStyle.getPropertyValue('--p-text-muted-color');
const surfaceBorder = documentStyle.getPropertyValue('--p-content-border-color');
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return {
maintainAspectRatio: false,
aspectRatio: 0.8,
plugins: {
tooltips: {
mode: 'index',
intersect: false
},
legend: {
labels: {
color: textColor
}
}
},
scales: {
x: {
stacked: true,
ticks: {
color: textColorSecondary
},
grid: {
color: surfaceBorder
}
},
y: {
stacked: true,
ticks: {
color: textColorSecondary
},
grid: {
color: surfaceBorder
}
}
}
};
}
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<\/script>
`
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}
};
},
beforeUnmount() {
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EventBus.off('dark-mode-toggle-complete', this.redrawListener);
EventBus.off('theme-palette-change', this.redrawListener);
},
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mounted() {
this.chartData = this.setChartData();
this.chartOptions = this.setChartOptions();
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this.redrawListener = () => {
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this.chartOptions = this.setChartOptions();
};
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EventBus.on('theme-palette-change', this.redrawListener);
EventBus.on('dark-mode-toggle-complete', this.redrawListener);
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},
methods: {
setChartData() {
const documentStyle = getComputedStyle(document.documentElement);
return {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [
{
type: 'bar',
label: 'Dataset 1',
backgroundColor: documentStyle.getPropertyValue('--p-cyan-500'),
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data: [50, 25, 12, 48, 90, 76, 42]
},
{
type: 'bar',
label: 'Dataset 2',
backgroundColor: documentStyle.getPropertyValue('--p-gray-500'),
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data: [21, 84, 24, 75, 37, 65, 34]
},
{
type: 'bar',
label: 'Dataset 3',
backgroundColor: documentStyle.getPropertyValue('--p-orange-500'),
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data: [41, 52, 24, 74, 23, 21, 32]
}
]
};
},
setChartOptions() {
const documentStyle = getComputedStyle(document.documentElement);
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const textColor = documentStyle.getPropertyValue('--p-text-color');
const textColorSecondary = documentStyle.getPropertyValue('--p-text-muted-color');
const surfaceBorder = documentStyle.getPropertyValue('--p-content-border-color');
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return {
maintainAspectRatio: false,
aspectRatio: 0.8,
plugins: {
tooltips: {
mode: 'index',
intersect: false
},
legend: {
labels: {
color: textColor
}
}
},
scales: {
x: {
stacked: true,
ticks: {
color: textColorSecondary
},
grid: {
color: surfaceBorder
}
},
y: {
stacked: true,
ticks: {
color: textColorSecondary
},
grid: {
color: surfaceBorder
}
}
}
};
}
}
};
</script>