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111 lines
3.0 KiB
111 lines
3.0 KiB
<script setup lang="ts">
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import * as math from 'mathjs'
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import {v4 as uuidv4} from 'uuid'
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import {LineChart} from 'vue-chart-3'
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import {computed, ref} from 'vue'
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import {Chart, ChartData, registerables} from 'chart.js'
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import {MathStatement} from '../support/parse'
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import {ChartBox} from '../support/types'
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import {stepX, stepY} from '../support/const'
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Chart.register(...registerables)
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const emit = defineEmits<{
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(eventName: 'move', x: number, y:number): void,
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(eventName: 'edit'): void,
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(eventName: 'remove'): void,
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}>()
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const props = defineProps<{
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fn: MathStatement,
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value: ChartBox,
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}>()
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const getChartData = (): ChartData<'line'> => {
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const range = []
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const min = Math.min(props.value.minX, props.value.maxX)
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const max = Math.max(props.value.minX, props.value.maxX)
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for ( let i = min; i <= max; i += parseFloat(String(props.value.stepX)) || 1 ) {
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range.push(i)
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}
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if ( !props.fn.isFunctionDeclaration() ) {
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throw new TypeError('Cannot chart node that is not a function.')
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}
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const node = props.fn.parse() as math.FunctionAssignmentNode
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const fn = node.compile().evaluate() // FIXME need dependencies in scope
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console.log('getChartData', {
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labels: range.map(x => `${x}`),
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datasets: [
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{
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label: node.name,
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data: range.map(n => fn(n)),
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},
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],
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})
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return {
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labels: range.map(x => `${x}`),
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datasets: [{
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label: node.name,
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backgroundColor: '#553564',
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data: range.map(x => fn(x)),
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}],
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}
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}
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const chartData = ref(getChartData())
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const chartKey = ref(uuidv4())
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computed(() => {
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chartData.value = getChartData()
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chartKey.value = uuidv4()
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})
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function onControlledDrag(e: {event: MouseEvent, data: {x: number, y: number}}) {
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// const x = e.x;
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// const y = e.y;
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const { x, y } = e.data;
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props.value.x = x;
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props.value.y = y;
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console.log(e)
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}
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function onControlledDragStop(e: {event: MouseEvent, data: {x: number, y: number}}) {
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// console.log(typeof(e))
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const { x, y } = e.data;
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// const x = e.x;
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// const y = e.y;
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console.log(self)
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emit('move', x, y);
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onControlledDrag(e);
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}
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</script>
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<template>
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<Draggable
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:grid="[stepX, stepY]"
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:default-position="{ x: props.value.x, y: props.value.y }"
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:position="{ x: props.value.x, y: props.value.y }"
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@stop="onControlledDragStop"
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>
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<div style="background: white; display: flex; flex-direction: row; border: 1px solid #ccc; border-radius: 3px;">
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<LineChart :chartData="chartData" :key="chartKey" class="inner-chart"/>
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<div class="sidebar">
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<q-btn color="grey-7" round flat icon="more_vert">
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<q-menu cover auto-close>
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<q-list>
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<q-item clickable>
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<q-item-section @click="() => $emit('edit')">Edit</q-item-section>
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</q-item>
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<q-item clickable>
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<q-item-section @click="() => $emit('remove')">Remove</q-item-section>
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</q-item>
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</q-list>
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</q-menu>
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</q-btn>
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</div>
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</div>
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</Draggable>
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</template>
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