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Chart7.kt
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Chart7.kt
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/*
* Copyright 2024 by Patryk Goworowski and Patrick Michalik.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.patrykandpatrick.vico.sample.showcase.charts
import android.graphics.Typeface
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import androidx.compose.ui.viewinterop.AndroidViewBinding
import com.patrykandpatrick.vico.R
import com.patrykandpatrick.vico.compose.cartesian.CartesianChartHost
import com.patrykandpatrick.vico.compose.cartesian.axis.rememberAxisLabelComponent
import com.patrykandpatrick.vico.compose.cartesian.axis.rememberBottomAxis
import com.patrykandpatrick.vico.compose.cartesian.axis.rememberStartAxis
import com.patrykandpatrick.vico.compose.cartesian.layer.rememberLineCartesianLayer
import com.patrykandpatrick.vico.compose.cartesian.layer.rememberLineSpec
import com.patrykandpatrick.vico.compose.cartesian.rememberCartesianChart
import com.patrykandpatrick.vico.compose.cartesian.rememberVicoZoomState
import com.patrykandpatrick.vico.compose.common.component.rememberShapeComponent
import com.patrykandpatrick.vico.compose.common.component.rememberTextComponent
import com.patrykandpatrick.vico.compose.common.of
import com.patrykandpatrick.vico.compose.common.rememberLegendItem
import com.patrykandpatrick.vico.compose.common.rememberVerticalLegend
import com.patrykandpatrick.vico.compose.common.shader.color
import com.patrykandpatrick.vico.compose.common.shape.rounded
import com.patrykandpatrick.vico.compose.common.vicoTheme
import com.patrykandpatrick.vico.core.cartesian.CartesianDrawContext
import com.patrykandpatrick.vico.core.cartesian.CartesianMeasureContext
import com.patrykandpatrick.vico.core.cartesian.axis.VerticalAxis
import com.patrykandpatrick.vico.core.cartesian.data.CartesianChartModelProducer
import com.patrykandpatrick.vico.core.cartesian.data.lineSeries
import com.patrykandpatrick.vico.core.common.Dimensions
import com.patrykandpatrick.vico.core.common.shader.DynamicShader
import com.patrykandpatrick.vico.core.common.shape.Shape
import com.patrykandpatrick.vico.databinding.Chart7Binding
import com.patrykandpatrick.vico.sample.showcase.Defaults
import com.patrykandpatrick.vico.sample.showcase.UIFramework
import com.patrykandpatrick.vico.sample.showcase.rememberMarker
import kotlin.random.Random
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.delay
import kotlinx.coroutines.isActive
import kotlinx.coroutines.withContext
@Composable
internal fun Chart7(uiFramework: UIFramework, modifier: Modifier) {
val modelProducer = remember { CartesianChartModelProducer.build() }
LaunchedEffect(Unit) {
withContext(Dispatchers.Default) {
while (isActive) {
modelProducer.tryRunTransaction {
/* Learn more:
https://patrykandpatrick.com/vico/wiki/cartesian-charts/layers/line-layer#data. */
lineSeries {
repeat(Defaults.MULTI_SERIES_COUNT) {
series(
List(Defaults.ENTRY_COUNT) {
Defaults.COLUMN_LAYER_MIN_Y +
Random.nextFloat() * Defaults.COLUMN_LAYER_RELATIVE_MAX_Y
}
)
}
}
}
delay(Defaults.TRANSACTION_INTERVAL_MS)
}
}
}
when (uiFramework) {
UIFramework.Compose -> ComposeChart7(modelProducer, modifier)
UIFramework.Views -> ViewChart7(modelProducer, modifier)
}
}
@Composable
private fun ComposeChart7(modelProducer: CartesianChartModelProducer, modifier: Modifier) {
CartesianChartHost(
chart =
rememberCartesianChart(
rememberLineCartesianLayer(
lines =
chartColors.map { color ->
rememberLineSpec(shader = DynamicShader.color(color), backgroundShader = null)
}
),
startAxis =
rememberStartAxis(
label = rememberStartAxisLabel(),
horizontalLabelPosition = VerticalAxis.HorizontalLabelPosition.Inside,
),
bottomAxis = rememberBottomAxis(),
legend = rememberLegend(),
),
modelProducer = modelProducer,
modifier = modifier,
marker = rememberMarker(),
runInitialAnimation = false,
zoomState = rememberVicoZoomState(zoomEnabled = false),
)
}
@Composable
private fun ViewChart7(modelProducer: CartesianChartModelProducer, modifier: Modifier) {
val startAxisLabel = rememberStartAxisLabel()
val marker = rememberMarker()
val legend = rememberLegend()
AndroidViewBinding(Chart7Binding::inflate, modifier) {
with(chartView) {
runInitialAnimation = false
this.modelProducer = modelProducer
(chart?.startAxis as VerticalAxis).horizontalLabelPosition =
VerticalAxis.HorizontalLabelPosition.Inside
(chart?.startAxis as VerticalAxis).label = startAxisLabel
this.marker = marker
chart?.legend = legend
}
}
}
@Composable
private fun rememberStartAxisLabel() =
rememberAxisLabelComponent(
color = Color.Black,
background = rememberShapeComponent(shape = Shape.rounded(4.dp), color = Color(0xfffab94d)),
padding = Dimensions.of(horizontal = 8.dp, vertical = 2.dp),
margins = Dimensions.of(all = 4.dp),
)
@Composable
private fun rememberLegend() =
rememberVerticalLegend<CartesianMeasureContext, CartesianDrawContext>(
items =
chartColors.mapIndexed { index, chartColor ->
rememberLegendItem(
icon = rememberShapeComponent(Shape.Pill, chartColor),
label =
rememberTextComponent(
color = vicoTheme.textColor,
textSize = 12.sp,
typeface = Typeface.MONOSPACE,
),
labelText = stringResource(R.string.series_x, index + 1),
)
},
iconSize = 8.dp,
iconPadding = 8.dp,
spacing = 4.dp,
padding = Dimensions.of(top = 8.dp),
)
private val chartColors = listOf(Color(0xffb983ff), Color(0xff91b1fd), Color(0xff8fdaff))