| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * 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 androidx.ui.material.studies.rally |
| |
| import androidx.compose.Composable |
| import androidx.ui.core.Alignment |
| import androidx.ui.core.Modifier |
| import androidx.compose.foundation.Box |
| import androidx.compose.foundation.Text |
| import androidx.compose.foundation.background |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.foundation.layout.Arrangement |
| import androidx.compose.foundation.layout.Column |
| import androidx.compose.foundation.layout.Row |
| import androidx.compose.foundation.layout.Spacer |
| import androidx.compose.foundation.layout.preferredHeight |
| import androidx.compose.foundation.layout.preferredSize |
| import androidx.compose.foundation.layout.preferredWidth |
| import androidx.ui.material.Divider |
| import androidx.ui.material.MaterialTheme |
| import androidx.ui.material.icons.Icons |
| import androidx.compose.ui.unit.dp |
| import java.text.DecimalFormat |
| |
| /** |
| * A row representing the basic information of an Account. |
| */ |
| @Composable |
| fun AccountRow(name: String, number: Int, amount: Float, color: Color) { |
| BaseRow( |
| color = color, |
| title = name, |
| subtitle = "• • • • • " + accountDecimalFormat.format(number), |
| amount = amount, |
| negative = false |
| ) |
| } |
| |
| /** |
| * A row representing the basic information of a Bill. |
| */ |
| @Composable |
| fun BillRow(name: String, due: String, amount: Float, color: Color) { |
| BaseRow( |
| color = color, |
| title = name, |
| subtitle = "Due $due", |
| amount = amount, |
| negative = true |
| ) |
| } |
| |
| @Composable |
| private fun BaseRow( |
| color: Color, |
| title: String, |
| subtitle: String, |
| amount: Float, |
| negative: Boolean |
| ) { |
| Row(Modifier.preferredHeight(68.dp)) { |
| val typography = MaterialTheme.typography |
| AccountIndicator(color = color, modifier = Modifier.gravity(Alignment.CenterVertically)) |
| Spacer(Modifier.preferredWidth(8.dp)) |
| Column(Modifier.gravity(Alignment.CenterVertically)) { |
| Text(text = title, style = typography.body1) |
| Text(text = subtitle, style = typography.subtitle1) |
| } |
| Spacer(Modifier.weight(1f)) |
| Row( |
| modifier = Modifier.gravity(Alignment.CenterVertically).preferredWidth(113.dp), |
| horizontalArrangement = Arrangement.SpaceBetween |
| ) { |
| Text( |
| text = if (negative) "–$ " else "$ ", |
| style = typography.h6, |
| modifier = Modifier.gravity(Alignment.CenterVertically) |
| ) |
| Text( |
| text = formatAmount(amount), |
| style = typography.h6, |
| modifier = Modifier.gravity(Alignment.CenterVertically) |
| ) |
| } |
| Spacer(Modifier.preferredWidth(16.dp)) |
| Icon( |
| Icons.Filled.ArrowForwardIos, |
| tintColor = Color.White.copy(alpha = 0.6f), |
| modifier = Modifier.gravity(Alignment.CenterVertically), |
| size = 12.dp |
| ) |
| } |
| RallyDivider() |
| } |
| |
| /** |
| * A vertical colored line that is used in a [BaseRow] to differentiate accounts. |
| */ |
| @Composable |
| private fun AccountIndicator(color: Color, modifier: Modifier = Modifier) { |
| Box(modifier.preferredSize(4.dp, 36.dp).background(color = color)) |
| } |
| |
| @Composable |
| fun RallyDivider(modifier: Modifier = Modifier) { |
| Divider(color = MaterialTheme.colors.background, thickness = 1.dp, modifier = modifier) |
| } |
| |
| fun formatAmount(amount: Float): String { |
| return amountDecimalFormat.format(amount) |
| } |
| |
| private val accountDecimalFormat = DecimalFormat("####") |
| private val amountDecimalFormat = DecimalFormat("#,###.##") |
| |
| /** |
| * Used with accounts and bills to create the animated circle. |
| */ |
| fun <E> List<E>.extractProportions(selector: (E) -> Float): List<Float> { |
| val total = this.sumByDouble { selector(it).toDouble() } |
| return this.map { (selector(it) / total).toFloat() } |
| } |