haerzig.core.views.AutoCompleteTextView.kt Maven / Gradle / Ivy

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package haerzig.core.views

import androidx.compose.foundation.border
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.RowScope
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.heightIn
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.lazy.itemsIndexed
import androidx.compose.foundation.lazy.rememberLazyListState
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.foundation.text.KeyboardActions
import androidx.compose.foundation.text.KeyboardOptions
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.OutlinedTextField
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.material3.TextFieldDefaults
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.focus.FocusRequester
import androidx.compose.ui.focus.focusRequester
import androidx.compose.ui.focus.onFocusChanged
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
import androidx.compose.ui.input.nestedscroll.NestedScrollSource
import androidx.compose.ui.input.nestedscroll.nestedScroll
import androidx.compose.ui.platform.LocalView
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.input.ImeAction
import androidx.compose.ui.text.input.KeyboardType
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import haerzig.core.R
import haerzig.core.themes.AppTheme


@Preview
@Composable
fun PreviewText() {
    AppTheme {
        Surface {
            AutoCompleteTextView(modifier = Modifier, value = "test", label = "Test", predictions = listOf("item1", "item2", "item3", "item4", "item5")) { Text(text = it) }
        }
    }
}

@Composable
fun  AutoCompleteTextView(
    modifier: Modifier,
    value: String,
    label: String,
    onValueChanged: (String) -> Unit = {},
    predictions: List,
    clearVisible: Boolean = true,
    keyBoardAction: ImeAction = ImeAction.Search,
    onActionClick: () -> Unit = {},
    onClearClick: () -> Unit = {},
    onItemClick: (T) -> Unit = {},
    itemContent: @Composable RowScope.(T) -> Unit = {},
) {
    val view = LocalView.current
    val lazyListState = rememberLazyListState()
    var showClearButton by remember { mutableStateOf(false) }
    val focusRequester = remember { FocusRequester() }
    Column {
        OutlinedTextField(
            modifier = modifier
                .onFocusChanged { focusState ->
                    showClearButton = clearVisible and focusState.isFocused
                }
                .focusRequester(focusRequester),
            value = value,
            onValueChange = {
                onValueChanged.invoke(it)
                focusRequester.requestFocus()
            },
            label = { Text(text = label) },
            singleLine = true,
            trailingIcon = {
                if (showClearButton) {
                    IconButton(painterResource(R.mipmap.ic_close), stringResource(R.string.clear)) {
                        onClearClick()
                    }
                }
            },
            keyboardActions = KeyboardActions(
                onSearch = {
                    onActionClick()
                },
                onDone = {
                    onActionClick()
                },
                onGo = {
                    onActionClick()
                },
                onNext = {
                    onActionClick()
                },
                onPrevious = {
                    onActionClick()
                },
                onSend = {
                    onActionClick()
                },
            ),
            keyboardOptions = KeyboardOptions(
                imeAction = keyBoardAction,
                keyboardType = KeyboardType.Text
            ),
            shape = RoundedCornerShape(10.dp),
            colors = TextFieldDefaults.colors(
                focusedIndicatorColor = MaterialTheme.colorScheme.primaryContainer,
                unfocusedIndicatorColor = MaterialTheme.colorScheme.secondaryContainer,
                focusedContainerColor = Color.Transparent,
                unfocusedContainerColor = Color.Transparent,
                errorContainerColor = Color.Transparent
            )
        )
        if (predictions.isNotEmpty()) {
            LazyColumn(
                state = lazyListState,
                modifier = modifier
                    .nestedScroll(connection = nestedScrollConnection)
                    .heightIn(max = 48.dp * 4)
                    .border(1.dp, MaterialTheme.colorScheme.primaryContainer, shape = RoundedCornerShape(5.dp))
            ) {
                itemsIndexed(predictions) { _, element ->
                    Row(
                        Modifier
                            .padding(horizontal = 5.dp)
                            .fillMaxWidth()
                            .height(48.dp)
                            .clickable {
                                onItemClick(element)
                            }
                    ) {
                        itemContent(element)
                    }
                }
            }
        }
    }
}

var nestedScrollConnection = object : NestedScrollConnection {
    override fun onPostScroll(consumed: Offset, available: Offset, source: NestedScrollSource) = available.copy(x = 0f)
}