Add a context menu for location items and add remove location functionality

src/main/kotlin/org/jetbrains/plugins/template/components/ContextPopupMenu.kt

@@ -0,0 +1,60 @@
+package org.jetbrains.plugins.template.components
+
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.onClick
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.PopupPositionProvider
+import org.jetbrains.jewel.foundation.theme.JewelTheme
+import org.jetbrains.jewel.ui.component.Icon
+import org.jetbrains.jewel.ui.component.PopupContainer
+import org.jetbrains.jewel.ui.component.Text
+import org.jetbrains.jewel.ui.icon.IconKey
+
+@Composable
+fun ContextPopupMenu(
+    popupPositionProvider: PopupPositionProvider,
+    onDismissRequest: () -> Unit,
+    content: @Composable () -> Unit,
+) {
+    PopupContainer(
+        popupPositionProvider = popupPositionProvider,
+        modifier = Modifier.wrapContentSize(),
+        onDismissRequest = { onDismissRequest() },
+        horizontalAlignment = Alignment.Start
+    ) {
+        content()
+    }
+}
+
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun ContextPopupMenuItem(
+    actionText: String,
+    actionIcon: IconKey,
+    onClick: () -> Unit,
+) {
+    Row(
+        modifier = Modifier
+            .widthIn(min = 100.dp)
+            .padding(8.dp)
+            .onClick { onClick() },
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Icon(
+            actionIcon,
+            contentDescription = null,
+            modifier = Modifier.size(16.dp)
+        )
+
+        Spacer(modifier = Modifier.width(8.dp))
+
+        Text(
+            text = actionText,
+            style = JewelTheme.defaultTextStyle
+        )
+    }
+}

src/main/kotlin/org/jetbrains/plugins/template/weatherApp/ui/WeatherAppSample.kt

@@ -1,14 +1,20 @@
 package org.jetbrains.plugins.template.weatherApp.ui
 
 import androidx.compose.foundation.layout.*
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
+import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.input.pointer.PointerEventType
+import androidx.compose.ui.input.pointer.isSecondaryPressed
+import androidx.compose.ui.input.pointer.onPointerEvent
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.layout.positionInWindow
 import androidx.compose.ui.text.style.TextAlign
-import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.*
+import androidx.compose.ui.window.PopupPositionProvider
 import org.jetbrains.jewel.foundation.lazy.SelectableLazyColumn
 import org.jetbrains.jewel.foundation.lazy.SelectionMode
 import org.jetbrains.jewel.foundation.lazy.itemsIndexed
@@ -18,8 +24,10 @@ import org.jetbrains.jewel.ui.component.*
 import org.jetbrains.jewel.ui.icon.IconKey
 import org.jetbrains.jewel.ui.icons.AllIconsKeys
 import org.jetbrains.plugins.template.ComposeTemplateBundle
+import org.jetbrains.plugins.template.components.ContextPopupMenu
+import org.jetbrains.plugins.template.components.ContextPopupMenuItem
 import org.jetbrains.plugins.template.weatherApp.model.Location
-import org.jetbrains.plugins.template.weatherApp.services.*
+import org.jetbrains.plugins.template.weatherApp.services.SearchAutoCompletionItemProvider
 import org.jetbrains.plugins.template.weatherApp.ui.components.SearchToolbarMenu
 import org.jetbrains.plugins.template.weatherApp.ui.components.WeatherDetailsCard
 
@@ -119,6 +127,7 @@ private fun EmptyListPlaceholder(
     }
 }
 
+@OptIn(ExperimentalComposeUiApi::class)
 @Composable
 private fun MyLocationList(
     myLocationsUIState: LocationsUIState,
@@ -158,9 +167,66 @@ private fun MyLocationList(
         itemsIndexed(
             items = myLocationsUIState.locations,
             key = { _, item -> item.label },
-        ) { index, item ->
+        ) { index, locationItem ->
 
-            SimpleListItem(text = item.label, isSelected = myLocationsUIState.selectedIndex == index, isActive = isActive)
+            Box(Modifier.wrapContentSize()) {
+                val showPopup = remember { mutableStateOf(false) }
+                val popupPosition = remember { mutableStateOf(IntOffset.Zero) }
+                val itemPosition = remember { mutableStateOf(Offset.Zero) }
+
+                SimpleListItem(
+                    text = locationItem.label,
+                    isSelected = myLocationsUIState.selectedIndex == index,
+                    isActive = isActive,
+                    modifier = Modifier
+                        .onGloballyPositioned { coordinates ->
+                            itemPosition.value = coordinates.positionInWindow()
+                        }
+                        .onPointerEvent(PointerEventType.Press) { pointerEvent ->
+                            if (!pointerEvent.buttons.isSecondaryPressed) return@onPointerEvent
+
+                            // Calculate exact click position
+                            val clickOffset = pointerEvent.changes.first().position
+                            popupPosition.value = IntOffset(
+                                x = (itemPosition.value.x + clickOffset.x).toInt(),
+                                y = (itemPosition.value.y + clickOffset.y).toInt()
+                            )
+
+                            showPopup.value = true
+                        }
+                )
+
+                if (showPopup.value) {
+                    val popupPositionProvider = remember(popupPosition.value) {
+                        object : PopupPositionProvider {
+                            override fun calculatePosition(
+                                anchorBounds: IntRect,
+                                windowSize: IntSize,
+                                layoutDirection: LayoutDirection,
+                                popupContentSize: IntSize
+                            ): IntOffset = popupPosition.value
+                        }
+                    }
+
+                    ContextPopupMenu(
+                        popupPositionProvider,
+                        onDismissRequest = {
+                            showPopup.value = false
+                            popupPosition.value = IntOffset.Zero
+                            itemPosition.value = Offset.Zero
+                        }
+                    ) {
+                        ContextPopupMenuItem(
+                            ComposeTemplateBundle.getMessage("weather.app.context.menu.delete.option"),
+                            AllIconsKeys.General.Delete
+                        ) {
+                            showPopup.value = false
+
+                            myLocationsViewModelApi.onDeleteLocation(locationItem)
+                        }
+                    }
+                }
+            }
         }
     }
 }

src/main/resources/messages/ComposeTemplate.properties

@@ -9,4 +9,6 @@ weather.app.search.toolbar.menu.add.button.text=Add
 weather.app.search.toolbar.menu.add.button.content.description=Add a place to a watch list.
 weather.app.7days.forecast.title.text=7-day Forecast
 
+weather.app.context.menu.delete.option=Delete
+
 weather.app.clear.button.content.description=Clear