Changed side panel headers to be expandables and improved its UI

src/main/kotlin/app/ui/Branches.kt

@@ -2,12 +2,7 @@ package app.ui
 
 import androidx.compose.foundation.ContextMenuArea
 import androidx.compose.foundation.ExperimentalFoundationApi
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.material.Icon
 import androidx.compose.material.MaterialTheme
 import androidx.compose.runtime.*
@@ -16,9 +11,7 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import app.extensions.isLocal
 import app.extensions.simpleName
-import app.maxSidePanelHeight
-import app.ui.components.ScrollableLazyColumn
-import app.ui.components.SideMenuEntry
+import app.ui.components.SideMenuPanel
 import app.ui.components.SideMenuSubentry
 import app.ui.context_menu.branchContextMenuItems
 import app.ui.dialogs.MergeDialog
@@ -35,29 +28,21 @@ fun Branches(
     val currentBranch by branchesViewModel.currentBranch.collectAsState()
     val (mergeBranch, setMergeBranch) = remember { mutableStateOf<Ref?>(null) }
     val (rebaseBranch, setRebaseBranch) = remember { mutableStateOf<Ref?>(null) }
-    val maxHeight = remember(branches) { maxSidePanelHeight(branches.count()) }
 
-    Column {
-        SideMenuEntry("Local branches")
-
-        ScrollableLazyColumn(
-            modifier = Modifier
-                .fillMaxWidth()
-                .heightIn(max = maxHeight.dp)
-                .background(MaterialTheme.colors.background)
-        ) {
-            itemsIndexed(branches) { _, branch ->
-                BranchLineEntry(
-                    branch = branch,
-                    isCurrentBranch = currentBranch == branch.name,
-                    onBranchClicked = { onBranchClicked(branch) },
-                    onCheckoutBranch = { branchesViewModel.checkoutRef(branch) },
-                    onMergeBranch = { setMergeBranch(branch) },
-                    onDeleteBranch = { branchesViewModel.deleteBranch(branch) },
-                    onRebaseBranch = { setRebaseBranch(branch) },
-                )
-            }
-        }
+    SideMenuPanel(
+        title = "Local branches",
+        icon = painterResource("branch.svg"),
+        items = branches
+    ) { branch ->
+        BranchLineEntry(
+            branch = branch,
+            isCurrentBranch = currentBranch == branch.name,
+            onBranchClicked = { onBranchClicked(branch) },
+            onCheckoutBranch = { branchesViewModel.checkoutRef(branch) },
+            onMergeBranch = { setMergeBranch(branch) },
+            onDeleteBranch = { branchesViewModel.deleteBranch(branch) },
+            onRebaseBranch = { setRebaseBranch(branch) },
+        )
     }
 
     if (mergeBranch != null) {

src/main/kotlin/app/ui/Remotes.kt

@@ -1,48 +1,36 @@
 package app.ui
 
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.heightIn
-import androidx.compose.foundation.lazy.items
-import androidx.compose.material.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
-import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import app.extensions.simpleVisibleName
 import app.git.RemoteInfo
-import app.maxSidePanelHeight
-import app.ui.components.ScrollableLazyColumn
-import app.ui.components.SideMenuEntry
+import app.ui.components.SideMenuPanel
 import app.ui.components.SideMenuSubentry
 import app.viewmodels.RemotesViewModel
 
 @Composable
 fun Remotes(remotesViewModel: RemotesViewModel) {
     val remotes by remotesViewModel.remotes.collectAsState()
-    val allBranches = remotes.map { it.branchesList }.flatten()
-    val maxHeight = remember(remotes) { maxSidePanelHeight(allBranches.count() + remotes.count()) }
 
-    Column {
-        SideMenuEntry("Remotes")
-
-        ScrollableLazyColumn(
-            modifier = Modifier
-                .fillMaxWidth()
-                .heightIn(max = maxHeight.dp)
-                .background(MaterialTheme.colors.background)
-        ) {
-            items(remotes) { remote ->
-                RemoteRow(
-                    remote = remote,
-                )
-            }
-        }
+    val itemsCount = remember(remotes) {
+        val allBranches = remotes.map { it.branchesList }.flatten()
+        allBranches.count() + remotes.count()
     }
+
+    SideMenuPanel(
+        title = "Remotes",
+        icon = painterResource("cloud.svg"),
+        items = remotes,
+        itemsCountForMaxHeight = itemsCount,
+        itemContent = { remoteInfo ->
+            RemoteRow(remoteInfo)
+        }
+    )
 }
 
 @Composable

src/main/kotlin/app/ui/Stashes.kt

@@ -10,10 +10,12 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import app.maxSidePanelHeight
 import app.ui.components.ScrollableLazyColumn
 import app.ui.components.SideMenuEntry
+import app.ui.components.SideMenuPanel
 import app.ui.components.SideMenuSubentry
 import app.viewmodels.StashStatus
 import app.viewmodels.StashesViewModel
@@ -32,29 +34,18 @@ fun Stashes(
     else
         listOf()
 
-    val maxHeight = remember(stashList) { maxSidePanelHeight(stashList.count()) }
 
-    Column {
-        SideMenuEntry(
-            text = "Stashes",
-        )
-
-        ScrollableLazyColumn(
-            modifier = Modifier
-                .fillMaxWidth()
-                .heightIn(max = maxHeight.dp)
-                .background(MaterialTheme.colors.background)
-        ) {
-            items(items = stashList) { stash ->
-                StashRow(
-                    stash = stash,
-                    onClick = {
-                        onStashSelected(stash)
-                    }
-                )
-            }
+    SideMenuPanel(
+        title = "Stashes",
+        icon = painterResource("stash.svg"),
+        items = stashList,
+        itemContent = { stashInfo ->
+            StashRow(
+                stash = stashInfo,
+                onClick = { onStashSelected(stashInfo) }
+            )
         }
-    }
+    )
 
 }
 

src/main/kotlin/app/ui/Tags.kt

@@ -12,11 +12,13 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import app.extensions.simpleName
 import app.maxSidePanelHeight
 import app.ui.components.ScrollableLazyColumn
 import app.ui.components.SideMenuEntry
+import app.ui.components.SideMenuPanel
 import app.ui.components.SideMenuSubentry
 import app.ui.context_menu.tagContextMenuItems
 import app.viewmodels.TagsViewModel
@@ -29,31 +31,20 @@ fun Tags(
 ) {
     val tagsState = tagsViewModel.tags.collectAsState()
     val tags = tagsState.value
-    val maxHeight = remember(tags) { maxSidePanelHeight(tags.count()) }
 
-    Column {
-        SideMenuEntry(
-            text = "Tags",
-        )
-
-        ScrollableLazyColumn(
-            modifier = Modifier
-                .fillMaxWidth()
-                .heightIn(max = maxHeight.dp)
-                .background(MaterialTheme.colors.background)
-        ) {
-            items(items = tags) { tag ->
-                TagRow(
-                    tag = tag,
-                    onTagClicked = { onTagClicked(tag) },
-                    onCheckoutTag = { tagsViewModel.checkoutRef(tag) },
-                    onDeleteTag = { tagsViewModel.deleteTag(tag) }
-                )
-            }
+    SideMenuPanel(
+        title = "Tags",
+        items = tags,
+        icon = painterResource("tag.svg"),
+        itemContent = { tag ->
+            TagRow(
+                tag = tag,
+                onTagClicked = { onTagClicked(tag) },
+                onCheckoutTag = { tagsViewModel.checkoutRef(tag) },
+                onDeleteTag = { tagsViewModel.deleteTag(tag) }
+            )
         }
-
-    }
-
+    )
 }
 
 @OptIn(ExperimentalFoundationApi::class)

src/main/kotlin/app/ui/components/Expandable.kt

@@ -0,0 +1,35 @@
+package app.ui.components
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.ExperimentalAnimationApi
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+
+@OptIn(ExperimentalAnimationApi::class)
+@Composable
+fun VerticalExpandable(
+    header: @Composable () -> Unit,
+    child: @Composable () -> Unit,
+) {
+    var isExpanded by remember {
+        mutableStateOf(true)
+    }
+    Column {
+        Box(
+            modifier = Modifier.clickable {
+                isExpanded = !isExpanded
+            }
+        ) {
+            header()
+        }
+
+        AnimatedVisibility(visible = isExpanded) {
+            child()
+        }
+
+    }
+
+}

src/main/kotlin/app/ui/components/SideMenuEntry.kt

@@ -1,15 +1,15 @@
 package app.ui.components
 
 import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.Icon
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
@@ -20,6 +20,8 @@ import app.theme.secondaryTextColor
 @Composable
 fun SideMenuEntry(
     text: String,
+    icon: Painter? = null,
+    itemsCount: Int,
 ) {
     Row(
         modifier = Modifier
@@ -28,14 +30,34 @@ fun SideMenuEntry(
             .background(color = MaterialTheme.colors.headerBackground),
         verticalAlignment = Alignment.CenterVertically,
     ) {
+        if(icon != null) {
+            Icon(
+                painter = icon,
+                contentDescription = null,
+                tint = MaterialTheme.colors.primaryTextColor,
+                modifier = Modifier
+                    .padding(start = 8.dp)
+                    .size(16.dp),
+            )
+        }
+
         Text(
             text = text,
             modifier = Modifier
-                .padding(horizontal = 8.dp),
+                .padding(horizontal = 8.dp)
+                .weight(1f),
             maxLines = 1,
             fontSize = 14.sp,
             color = MaterialTheme.colors.primaryTextColor,
             overflow = TextOverflow.Ellipsis,
         )
+
+
+        Text(
+            text = itemsCount.toString(),
+            fontSize = 14.sp,
+            color = MaterialTheme.colors.secondaryTextColor,
+            modifier = Modifier.padding(end = 8.dp),
+        )
     }
 }

src/main/kotlin/app/ui/components/SideMenuPanel.kt

@@ -0,0 +1,48 @@
+package app.ui.components
+
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.heightIn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.unit.dp
+import app.maxSidePanelHeight
+
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun <T> SideMenuPanel(
+    title: String,
+    icon: Painter? = null,
+    items: List<T>,
+    itemsCountForMaxHeight: Int = items.count(),
+    itemContent: @Composable (T) -> Unit,
+) {
+    val maxHeight = remember(items) { maxSidePanelHeight(itemsCountForMaxHeight) }
+
+    VerticalExpandable(
+        header = {
+            SideMenuEntry(
+                text = title,
+                icon = icon,
+                itemsCount = items.count()
+            )
+        },
+    ) {
+        ScrollableLazyColumn(
+            modifier = Modifier
+                .fillMaxWidth()
+                .heightIn(max = maxHeight.dp)
+                .background(MaterialTheme.colors.background)
+        ) {
+            items(items) { item ->
+                itemContent(item)
+            }
+        }
+    }
+}