Added stash detail viewing & selected item state management

src/main/kotlin/app/extensions/RevCommitExtensions.kt

@@ -0,0 +1,11 @@
+package app.extensions
+
+import org.eclipse.jgit.lib.Repository
+import org.eclipse.jgit.revwalk.RevCommit
+
+fun RevCommit.fullData(repository: Repository): RevCommit? {
+    return if(this.tree == null)
+        repository.parseCommit(this)
+    else
+        this
+}

src/main/kotlin/app/git/DiffManager.kt

@@ -1,16 +1,13 @@
 package app.git
 
+import app.extensions.fullData
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import org.eclipse.jgit.api.Git
 import org.eclipse.jgit.diff.DiffEntry
 import org.eclipse.jgit.diff.DiffFormatter
-import org.eclipse.jgit.diff.EditList
 import org.eclipse.jgit.dircache.DirCacheIterator
 import org.eclipse.jgit.lib.Repository
-import org.eclipse.jgit.patch.HunkHeader
-import org.eclipse.jgit.revplot.PlotCommit
-import org.eclipse.jgit.revplot.PlotCommitList
 import org.eclipse.jgit.revwalk.RevCommit
 import org.eclipse.jgit.revwalk.RevTree
 import org.eclipse.jgit.revwalk.RevWalk
@@ -60,11 +57,14 @@ class DiffManager @Inject constructor() {
 
 
     suspend fun commitDiffEntries(git: Git, commit: RevCommit): List<DiffEntry> = withContext(Dispatchers.IO) {
+        val fullCommit = commit.fullData(git.repository) ?: return@withContext emptyList()
+
         val repository = git.repository
-        val parent = if (commit.parentCount == 0) {
+
+        val parent = if (fullCommit.parentCount == 0) {
             null
         } else
-            commit.parents.first()
+            fullCommit.parents.first().fullData(git.repository)
 
         val oldTreeParser = if (parent != null)
             prepareTreeParser(repository, parent)
@@ -72,7 +72,7 @@ class DiffManager @Inject constructor() {
             CanonicalTreeParser()
         }
 
-        val newTreeParser = prepareTreeParser(repository, commit)
+        val newTreeParser = prepareTreeParser(repository, fullCommit)
 
         return@withContext git.diff()
             .setNewTree(newTreeParser)

src/main/kotlin/app/git/StashManager.kt

@@ -23,7 +23,6 @@ class StashManager @Inject constructor() {
     }
 
     suspend fun popStash(git: Git) = withContext(Dispatchers.IO) {
-
         git
             .stashApply()
             .call()

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

@@ -26,20 +26,13 @@ import java.awt.Cursor
 @OptIn(ExperimentalSplitPaneApi::class, androidx.compose.ui.ExperimentalComposeUiApi::class)
 @Composable
 fun RepositoryOpenPage(gitManager: GitManager) {
-    var selectedRevCommit by remember {
-        mutableStateOf<RevCommit?>(null)
-    }
-
     var diffSelected by remember {
         mutableStateOf<DiffEntryType?>(null)
     }
-    var uncommitedChangesSelected by remember {
-        mutableStateOf(false)
-    }
 
     var showNewBranchDialog by remember { mutableStateOf(false) }
 
-    val selectedIndexCommitLog = remember { mutableStateOf(-1) }
+    var (selectedItem, setSelectedItem) = remember { mutableStateOf<SelectedItem>(SelectedItem.None) }
 
     if(showNewBranchDialog) {
         NewBranchDialog(
@@ -76,7 +69,12 @@ fun RepositoryOpenPage(gitManager: GitManager) {
                     ) {
                         Branches(gitManager = gitManager)
                         Tags(gitManager = gitManager)
-                        Stashes(gitManager = gitManager)
+                        Stashes(
+                            gitManager = gitManager,
+                            onStashSelected = { stash ->
+                                setSelectedItem(SelectedItem.Stash(stash))
+                            }
+                        )
                     }
                 }
 
@@ -104,7 +102,7 @@ fun RepositoryOpenPage(gitManager: GitManager) {
                     HorizontalSplitPane(
                         splitPaneState = rememberSplitPaneState(0.9f)
                     ) {
-                        first() {
+                        first {
                             Box(
                                 modifier = Modifier
                                     .fillMaxSize()
@@ -114,14 +112,9 @@ fun RepositoryOpenPage(gitManager: GitManager) {
                                         null -> {
                                             Log(
                                                 gitManager = gitManager,
-                                                selectedIndex = selectedIndexCommitLog,
+                                                selectedItem = selectedItem,
-                                                onRevCommitSelected = { commit ->
+                                                onItemSelected = {
-                                                    selectedRevCommit = commit
+                                                    setSelectedItem(it)
-                                                    uncommitedChangesSelected = false
-                                                },
-                                                onUncommitedChangesSelected = {
-                                                    gitManager.statusShouldBeUpdated()
-                                                    uncommitedChangesSelected = true
                                                 },
                                             )
                                         }
@@ -160,7 +153,7 @@ fun RepositoryOpenPage(gitManager: GitManager) {
                                 modifier = Modifier
                                     .fillMaxHeight()
                             ) {
-                                if (uncommitedChangesSelected) {
+                                if (selectedItem == SelectedItem.UncommitedChanges) {
                                     UncommitedChanges(
                                         gitManager = gitManager,
                                         onStagedDiffEntrySelected = { diffEntry ->
@@ -173,16 +166,14 @@ fun RepositoryOpenPage(gitManager: GitManager) {
                                             diffSelected = DiffEntryType.UnstagedDiff(diffEntry)
                                         }
                                     )
-                                } else {
+                                } else if(selectedItem is SelectedItem.CommitBasedItem) {
-                                    selectedRevCommit?.let {
+                                    CommitChanges(
-                                        CommitChanges(
+                                        gitManager = gitManager,
-                                            gitManager = gitManager,
+                                        commit = selectedItem.revCommit,
-                                            commit = it,
+                                        onDiffSelected = { diffEntry ->
-                                            onDiffSelected = { diffEntry ->
+                                            diffSelected = DiffEntryType.CommitDiff(diffEntry)
-                                                diffSelected = DiffEntryType.CommitDiff(diffEntry)
+                                        }
-                                            }
+                                    )
-                                        )
-                                    }
                                 }
                             }
                         }
@@ -191,4 +182,12 @@ fun RepositoryOpenPage(gitManager: GitManager) {
             }
         }
     }
+}
+
+sealed class SelectedItem {
+    object None : SelectedItem()
+    object UncommitedChanges : SelectedItem()
+    sealed class CommitBasedItem(val revCommit: RevCommit) : SelectedItem()
+    class Commit(revCommit: RevCommit) : CommitBasedItem(revCommit)
+    class Stash(revCommit: RevCommit) : CommitBasedItem(revCommit)
 }

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

@@ -1,31 +1,23 @@
 package app.ui
 
-import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.items
-import androidx.compose.material.*
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.painterResource
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.text.style.TextAlign
-import androidx.compose.ui.text.style.TextOverflow
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import app.ui.components.ScrollableLazyColumn
 import app.git.GitManager
 import app.git.StashStatus
-import org.eclipse.jgit.revwalk.RevCommit
+import app.ui.components.ScrollableLazyColumn
-import app.theme.headerBackground
-import app.theme.headerText
 import app.ui.components.SideMenuEntry
 import app.ui.components.SideMenuSubentry
+import org.eclipse.jgit.revwalk.RevCommit
 
 @Composable
-fun Stashes(gitManager: GitManager) {
+fun Stashes(
+    gitManager: GitManager,
+    onStashSelected: (commit: RevCommit) -> Unit,
+) {
     val stashStatusState = gitManager.stashStatus.collectAsState()
     val stashStatus = stashStatusState.value
 
@@ -44,8 +36,10 @@ fun Stashes(gitManager: GitManager) {
             items(items = stashList) { stash ->
                 StashRow(
                     stash = stash,
+                    onClick = {
+                        onStashSelected(stash)
+                    }
                 )
-
             }
         }
     }
@@ -53,9 +47,10 @@ fun Stashes(gitManager: GitManager) {
 }
 
 @Composable
-private fun StashRow(stash: RevCommit) {
+private fun StashRow(stash: RevCommit, onClick: () -> Unit) {
     SideMenuSubentry(
         text = stash.name,
         iconResourcePath = "stash.svg",
+        onClick = onClick,
     )
 }

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

@@ -23,13 +23,14 @@ fun SideMenuSubentry(
     text: String,
     iconResourcePath: String,
     bold: Boolean = false,
+    onClick: () -> Unit = {},
     additionalInfo: @Composable () -> Unit = {}
 ) {
     Row(
         modifier = Modifier
             .height(40.dp)
             .fillMaxWidth()
-            .clickable(onClick = {}),
+            .clickable(onClick = onClick),
         verticalAlignment = Alignment.CenterVertically,
     ) {
         Icon(

src/main/kotlin/app/ui/log/Log.kt

@@ -9,7 +9,7 @@ import androidx.compose.foundation.gestures.Orientation
 import androidx.compose.foundation.gestures.draggable
 import androidx.compose.foundation.gestures.rememberDraggableState
 import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.Icon
@@ -40,6 +40,7 @@ import app.theme.headerBackground
 import app.theme.headerText
 import app.theme.primaryTextColor
 import app.theme.secondaryTextColor
+import app.ui.SelectedItem
 import app.ui.components.ScrollableLazyColumn
 import app.ui.dialogs.MergeDialog
 import app.ui.dialogs.NewBranchDialog
@@ -69,16 +70,19 @@ private const val CANVAS_MIN_WIDTH = 100
 @Composable
 fun Log(
     gitManager: GitManager,
-    onRevCommitSelected: (RevCommit) -> Unit,
+    selectedItem: SelectedItem,
-    onUncommitedChangesSelected: () -> Unit,
+    onItemSelected: (SelectedItem) -> Unit,
-    selectedIndex: MutableState<Int> = remember { mutableStateOf(-1) }
 ) {
     val logStatusState = gitManager.logStatus.collectAsState()
     val logStatus = logStatusState.value
 
-    val selectedUncommited = remember { mutableStateOf(false) }
     val showLogDialog = remember { mutableStateOf<LogDialog>(LogDialog.None) }
 
+    val selectedCommit =  if (selectedItem is SelectedItem.Commit) {
+        selectedItem.revCommit
+    } else {
+        null
+    }
 
     if (logStatus is LogStatus.Loaded) {
         val commitList = logStatus.plotCommitList
@@ -115,23 +119,20 @@ fun Log(
                 if (hasUncommitedChanges)
                     item {
                         UncommitedChangesLine(
-                            selected = selectedUncommited.value,
+                            selected = selectedItem == SelectedItem.UncommitedChanges,
                             hasPreviousCommits = commitList.count() > 0,
                             graphWidth = graphWidth,
                             weightMod = weightMod,
                             onUncommitedChangesSelected = {
-                                selectedIndex.value = -1
+                                onItemSelected(SelectedItem.UncommitedChanges)
-                                selectedUncommited.value = true
-                                onUncommitedChangesSelected()
                             }
                         )
                     }
-
+                items(items = commitList) { graphNode ->
-                itemsIndexed(items = commitList) { index, graphNode ->
                     CommitLine(
                         gitManager = gitManager,
                         graphNode = graphNode,
-                        selected = selectedIndex.value == index,
+                        selected = selectedCommit?.name == graphNode.name,
                         weightMod = weightMod,
                         graphWidth = graphWidth,
                         currentBranch = logStatus.currentBranch,
@@ -140,9 +141,7 @@ fun Log(
                         resetBranch = { showLogDialog.value = LogDialog.ResetBranch(graphNode) },
                         onMergeBranch = { ref -> showLogDialog.value = LogDialog.MergeBranch(ref) },
                         onRevCommitSelected = {
-                            selectedIndex.value = index
+                            onItemSelected(SelectedItem.Commit(graphNode))
-                            selectedUncommited.value = false
-                            onRevCommitSelected(it)
                         }
                     )
                 }
@@ -197,7 +196,8 @@ fun LogDialogs(
                 onResetShowLogDialog()
             }
         )
-        LogDialog.None -> {}
+        LogDialog.None -> {
+        }
     }
 }