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169 lines
5.9 KiB
Kotlin
169 lines
5.9 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.compose.list
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import android.content.res.Configuration
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import androidx.compose.foundation.background
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import androidx.compose.foundation.clickable
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.foundation.layout.width
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import androidx.compose.material.Icon
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import androidx.compose.material.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.res.painterResource
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import androidx.compose.ui.text.TextStyle
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import androidx.compose.ui.tooling.preview.Preview
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import androidx.compose.ui.unit.dp
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import org.mozilla.fenix.R
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import org.mozilla.fenix.theme.FirefoxTheme
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/**
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* Expandable header for sections of lists
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*
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* @param headerText The title of the header.
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* @param headerTextStyle The text style of the header.
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* @param expanded Indicates whether the section of content is expanded. If null, the Icon will be hidden.
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* @param expandActionContentDescription The content description for expanding the section.
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* @param collapseActionContentDescription The content description for collapsing the section.
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* @param onClick Optional lambda for handling header clicks.
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* @param actions Optional Composable for adding UI to the end of the header.
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*/
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@Suppress("LongParameterList")
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@Composable
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fun ExpandableListHeader(
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headerText: String,
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headerTextStyle: TextStyle = FirefoxTheme.typography.headline8,
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expanded: Boolean? = null,
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expandActionContentDescription: String? = null,
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collapseActionContentDescription: String? = null,
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onClick: (() -> Unit)? = null,
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actions: @Composable () -> Unit = {},
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) {
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Row(
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modifier = when (onClick != null) {
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true -> Modifier.clickable { onClick() }
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false -> Modifier
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}.then(
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Modifier.fillMaxWidth(),
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),
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verticalAlignment = Alignment.CenterVertically,
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) {
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Row(
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modifier = Modifier
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.weight(1f)
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.padding(horizontal = 16.dp, vertical = 8.dp),
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verticalAlignment = Alignment.CenterVertically,
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) {
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Text(
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text = headerText,
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color = FirefoxTheme.colors.textPrimary,
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style = headerTextStyle,
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maxLines = 1,
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)
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expanded?.let {
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Spacer(modifier = Modifier.width(8.dp))
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Icon(
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painter = painterResource(
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if (expanded) R.drawable.ic_chevron_up else R.drawable.ic_chevron_down,
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),
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contentDescription = if (expanded) {
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collapseActionContentDescription
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} else {
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expandActionContentDescription
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},
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modifier = Modifier.size(20.dp),
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tint = FirefoxTheme.colors.iconPrimary,
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)
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}
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}
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actions()
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}
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}
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@Composable
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@Preview(uiMode = Configuration.UI_MODE_NIGHT_YES)
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private fun TextOnlyHeaderPreview() {
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FirefoxTheme {
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Box(Modifier.background(FirefoxTheme.colors.layer1)) {
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ExpandableListHeader(headerText = "Section title")
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}
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}
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}
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@Composable
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@Preview(uiMode = Configuration.UI_MODE_NIGHT_YES)
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private fun CollapsibleHeaderPreview() {
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FirefoxTheme {
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Box(Modifier.background(FirefoxTheme.colors.layer1)) {
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ExpandableListHeader(
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headerText = "Collapsible section title",
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expanded = true,
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expandActionContentDescription = "",
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collapseActionContentDescription = "",
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onClick = { println("Clicked section header") },
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)
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}
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}
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}
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@Composable
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@Preview(uiMode = Configuration.UI_MODE_NIGHT_NO)
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private fun HeaderWithClickableIconPreview() {
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FirefoxTheme {
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Box(Modifier.background(FirefoxTheme.colors.layer1)) {
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ExpandableListHeader(headerText = "Section title") {
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Box(
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modifier = Modifier
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.clickable(onClick = { println("delete clicked") })
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.padding(horizontal = 16.dp, vertical = 8.dp),
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) {
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Icon(
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painter = painterResource(R.drawable.ic_delete),
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contentDescription = "click me",
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modifier = Modifier.size(20.dp),
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tint = FirefoxTheme.colors.iconPrimary,
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)
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}
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}
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}
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}
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}
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@Composable
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@Preview(uiMode = Configuration.UI_MODE_NIGHT_NO)
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private fun CollapsibleHeaderWithClickableIconPreview() {
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FirefoxTheme {
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Box(Modifier.background(FirefoxTheme.colors.layer1)) {
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ExpandableListHeader(
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headerText = "Section title",
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expanded = true,
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) {
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Box(
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modifier = Modifier
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.clickable(onClick = { println("delete clicked") })
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.padding(horizontal = 16.dp, vertical = 8.dp),
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) {
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Icon(
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painter = painterResource(R.drawable.ic_delete),
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contentDescription = "click me",
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modifier = Modifier.size(20.dp),
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tint = FirefoxTheme.colors.iconPrimary,
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)
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}
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}
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}
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}
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}
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