implements PR-07b asset navigator and row subscriptions

prometeu-studio/src/main/java/p/studio/workspaces/assets/AssetWorkspaceNavigatorControl.java

@@ -1,16 +1,13 @@
 package p.studio.workspaces.assets;
 
 import javafx.geometry.Insets;
-import javafx.geometry.Pos;
 import javafx.scene.Node;
 import javafx.scene.control.Label;
 import javafx.scene.control.ScrollPane;
 import javafx.scene.control.TextField;
 import javafx.scene.control.ToggleButton;
 import javafx.scene.layout.FlowPane;
-import javafx.scene.layout.HBox;
 import javafx.scene.layout.Priority;
-import javafx.scene.layout.Region;
 import javafx.scene.layout.VBox;
 import p.studio.Container;
 import p.studio.controls.lifecycle.StudioControlLifecycle;
@@ -41,6 +38,7 @@ final class AssetWorkspaceNavigatorControl extends VBox implements StudioControl
 
     private AssetWorkspaceNavigatorViewState viewState;
     private EnumSet<AssetNavigatorFilter> activeFilters = EnumSet.noneOf(AssetNavigatorFilter.class);
+    private String projectionSignature = "";
 
     AssetWorkspaceNavigatorControl(
             ProjectReference projectReference,
@@ -136,10 +134,16 @@ final class AssetWorkspaceNavigatorControl extends VBox implements StudioControl
 
         navigatorStateLabel.setText(viewState.message());
         if (!viewState.hasProjection()) {
+            projectionSignature = "";
             navigatorContent.getChildren().setAll(createMessage(viewState.message()));
             return;
         }
 
+        final String nextSignature = projectionSignature(viewState.projection());
+        if (Objects.equals(projectionSignature, nextSignature)) {
+            return;
+        }
+        projectionSignature = nextSignature;
         navigatorContent.getChildren().clear();
         for (AssetNavigatorGroup group : viewState.projection().groups()) {
             final VBox groupBox = new VBox(6);
@@ -150,61 +154,18 @@ final class AssetWorkspaceNavigatorControl extends VBox implements StudioControl
             groupBox.getChildren().add(groupLabel);
 
             for (AssetWorkspaceAssetSummary asset : group.assets()) {
-                groupBox.getChildren().add(createAssetRow(asset, asset.selectionKey().equals(viewState.workspaceState().selectedKey())));
+                groupBox.getChildren().add(new AssetWorkspaceNavigatorRowControl(
+                        projectReference,
+                        workspaceBus,
+                        interactions,
+                        asset,
+                        asset.selectionKey().equals(viewState.workspaceState().selectedKey())));
             }
 
             navigatorContent.getChildren().add(groupBox);
         }
     }
 
-    private Node createAssetRow(AssetWorkspaceAssetSummary asset, boolean selected) {
-        final VBox row = new VBox(4);
-        row.getStyleClass().add("assets-workspace-asset-row");
-        row.getStyleClass().add(assetRowToneClass(asset.assetFamily()));
-        updateAssetRowSelection(row, selected);
-
-        final HBox topLine = new HBox(8);
-        topLine.setAlignment(Pos.CENTER_LEFT);
-        final Label name = new Label(asset.assetName());
-        name.getStyleClass().add("assets-workspace-asset-name");
-        name.getStyleClass().add(assetNameToneClass(asset.assetFamily()));
-        final Region spacer = new Region();
-        HBox.setHgrow(spacer, Priority.ALWAYS);
-        final HBox badges = new HBox(6);
-        badges.setAlignment(Pos.CENTER_RIGHT);
-        badges.getStyleClass().add("assets-workspace-asset-badges");
-        if (asset.state() == AssetWorkspaceAssetState.UNREGISTERED) {
-            badges.getChildren().add(createBadge(Container.i18n().text(I18n.ASSETS_BADGE_UNREGISTERED), "assets-workspace-badge-orphan"));
-        } else if (asset.buildParticipation() == AssetWorkspaceBuildParticipation.INCLUDED) {
-            badges.getChildren().add(createBadge(buildParticipationLabel(asset.buildParticipation()), "assets-workspace-badge-preload"));
-            if (asset.preload()) {
-                badges.getChildren().add(createBadge(Container.i18n().text(I18n.ASSETS_BADGE_PRELOAD), "assets-workspace-badge-preload"));
-            }
-        } else {
-            badges.getChildren().add(createBadge(buildParticipationLabel(asset.buildParticipation()), "assets-workspace-badge-diagnostics"));
-        }
-        if (asset.hasDiagnostics()) {
-            badges.getChildren().add(createBadge(Container.i18n().text(I18n.ASSETS_BADGE_DIAGNOSTICS), "assets-workspace-badge-diagnostics"));
-        }
-        topLine.getChildren().addAll(name, spacer, badges);
-
-        final Label path = new Label(AssetNavigatorProjectionBuilder.relativeRoot(asset, projectRoot));
-        path.getStyleClass().add("assets-workspace-asset-path");
-        row.getChildren().addAll(topLine, path);
-        row.setOnMouseClicked(event -> interactions.selectAsset(asset.selectionKey()));
-        return row;
-    }
-
-    private void updateAssetRowSelection(VBox row, boolean selected) {
-        if (selected) {
-            if (!row.getStyleClass().contains("assets-workspace-asset-row-selected")) {
-                row.getStyleClass().add("assets-workspace-asset-row-selected");
-            }
-            return;
-        }
-        row.getStyleClass().remove("assets-workspace-asset-row-selected");
-    }
-
     private Node createMessage(String text) {
         final Label label = new Label(text);
         label.getStyleClass().add("assets-workspace-empty-state");
@@ -212,35 +173,15 @@ final class AssetWorkspaceNavigatorControl extends VBox implements StudioControl
         return label;
     }
 
-    private Node createBadge(String text, String styleClass) {
+    private String projectionSignature(AssetNavigatorProjection projection) {
-        final Label badge = new Label(text);
+        final StringBuilder signature = new StringBuilder();
-        badge.getStyleClass().add("assets-workspace-badge");
+        for (AssetNavigatorGroup group : projection.groups()) {
-        badge.getStyleClass().add(styleClass);
+            signature.append(group.label()).append('|');
-        return badge;
+            for (AssetWorkspaceAssetSummary asset : group.assets()) {
+                signature.append(asset.selectionKey().stableKey()).append(',');
             }
-
+            signature.append(';');
-    private String buildParticipationLabel(AssetWorkspaceBuildParticipation buildParticipation) {
-        return switch (buildParticipation) {
-            case INCLUDED -> Container.i18n().text(I18n.ASSETS_VALUE_INCLUDED);
-            case EXCLUDED -> Container.i18n().text(I18n.ASSETS_VALUE_EXCLUDED);
-        };
         }
-
+        return signature.toString();
-    private String assetRowToneClass(String assetFamily) {
-        return switch (assetFamily == null ? "" : assetFamily.toLowerCase()) {
-            case "image_bank" -> "assets-workspace-asset-row-image";
-            case "palette_bank" -> "assets-workspace-asset-row-palette";
-            case "sound_bank" -> "assets-workspace-asset-row-sound";
-            default -> "assets-workspace-asset-row-generic";
-        };
-    }
-
-    private String assetNameToneClass(String assetFamily) {
-        return switch (assetFamily == null ? "" : assetFamily.toLowerCase()) {
-            case "image_bank" -> "assets-workspace-asset-name-image";
-            case "palette_bank" -> "assets-workspace-asset-name-palette";
-            case "sound_bank" -> "assets-workspace-asset-name-sound";
-            default -> "assets-workspace-asset-name-generic";
-        };
     }
 }

prometeu-studio/src/main/java/p/studio/workspaces/assets/AssetWorkspaceNavigatorRowControl.java

@@ -0,0 +1,153 @@
+package p.studio.workspaces.assets;
+
+import javafx.geometry.Pos;
+import javafx.scene.control.Label;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.Priority;
+import javafx.scene.layout.Region;
+import javafx.scene.layout.VBox;
+import p.studio.Container;
+import p.studio.controls.lifecycle.StudioControlLifecycle;
+import p.studio.controls.lifecycle.StudioControlLifecycleSupport;
+import p.studio.events.StudioAssetsAssetSummaryPatchedEvent;
+import p.studio.events.StudioAssetsWorkspaceSelectionChangedEvent;
+import p.studio.events.StudioWorkspaceEventBus;
+import p.studio.projects.ProjectReference;
+import p.studio.utilities.i18n.I18n;
+import p.studio.workspaces.framework.StudioSubscriptionBag;
+
+import java.nio.file.Path;
+import java.util.Objects;
+
+final class AssetWorkspaceNavigatorRowControl extends VBox implements StudioControlLifecycle {
+    private final ProjectReference projectReference;
+    private final Path projectRoot;
+    private final StudioWorkspaceEventBus workspaceBus;
+    private final AssetWorkspaceInteractionPort interactions;
+    private final StudioSubscriptionBag subscriptions = new StudioSubscriptionBag();
+
+    private AssetWorkspaceAssetSummary summary;
+    private boolean selected;
+
+    AssetWorkspaceNavigatorRowControl(
+            ProjectReference projectReference,
+            StudioWorkspaceEventBus workspaceBus,
+            AssetWorkspaceInteractionPort interactions,
+            AssetWorkspaceAssetSummary summary,
+            boolean selected) {
+        StudioControlLifecycleSupport.install(this, this);
+        this.projectReference = Objects.requireNonNull(projectReference, "projectReference");
+        this.projectRoot = this.projectReference.rootPath();
+        this.workspaceBus = Objects.requireNonNull(workspaceBus, "workspaceBus");
+        this.interactions = Objects.requireNonNull(interactions, "interactions");
+        this.summary = Objects.requireNonNull(summary, "summary");
+        this.selected = selected;
+        render();
+    }
+
+    @Override
+    public void subscribe() {
+        subscriptions.add(workspaceBus.subscribe(StudioAssetsWorkspaceSelectionChangedEvent.class, event -> {
+            if (projectReference.equals(event.project())) {
+                updateSelection(event.selectionKey().equals(summary.selectionKey()));
+            }
+        }));
+        subscriptions.add(workspaceBus.subscribe(StudioAssetsAssetSummaryPatchedEvent.class, event -> {
+            if (projectReference.equals(event.project())
+                    && summary.selectionKey().equals(event.summary().selectionKey())) {
+                summary = event.summary();
+                render();
+            }
+        }));
+    }
+
+    @Override
+    public void unsubscribe() {
+        subscriptions.clear();
+    }
+
+    private void updateSelection(boolean selected) {
+        if (this.selected == selected) {
+            return;
+        }
+        this.selected = selected;
+        renderSelection();
+    }
+
+    private void render() {
+        getChildren().clear();
+        getStyleClass().setAll("assets-workspace-asset-row", assetRowToneClass(summary.assetFamily()));
+        renderSelection();
+
+        final HBox topLine = new HBox(8);
+        topLine.setAlignment(Pos.CENTER_LEFT);
+        final Label name = new Label(summary.assetName());
+        name.getStyleClass().addAll("assets-workspace-asset-name", assetNameToneClass(summary.assetFamily()));
+        final Region spacer = new Region();
+        HBox.setHgrow(spacer, Priority.ALWAYS);
+        final HBox badges = new HBox(6);
+        badges.setAlignment(Pos.CENTER_RIGHT);
+        badges.getStyleClass().add("assets-workspace-asset-badges");
+        populateBadges(badges);
+        topLine.getChildren().addAll(name, spacer, badges);
+
+        final Label path = new Label(AssetNavigatorProjectionBuilder.relativeRoot(summary, projectRoot));
+        path.getStyleClass().add("assets-workspace-asset-path");
+        getChildren().setAll(topLine, path);
+        setOnMouseClicked(event -> interactions.selectAsset(summary.selectionKey()));
+    }
+
+    private void renderSelection() {
+        getStyleClass().remove("assets-workspace-asset-row-selected");
+        if (selected) {
+            getStyleClass().add("assets-workspace-asset-row-selected");
+        }
+    }
+
+    private void populateBadges(HBox badges) {
+        if (summary.state() == AssetWorkspaceAssetState.UNREGISTERED) {
+            badges.getChildren().add(createBadge(Container.i18n().text(I18n.ASSETS_BADGE_UNREGISTERED), "assets-workspace-badge-orphan"));
+        } else if (summary.buildParticipation() == AssetWorkspaceBuildParticipation.INCLUDED) {
+            badges.getChildren().add(createBadge(buildParticipationLabel(summary.buildParticipation()), "assets-workspace-badge-preload"));
+            if (summary.preload()) {
+                badges.getChildren().add(createBadge(Container.i18n().text(I18n.ASSETS_BADGE_PRELOAD), "assets-workspace-badge-preload"));
+            }
+        } else {
+            badges.getChildren().add(createBadge(buildParticipationLabel(summary.buildParticipation()), "assets-workspace-badge-diagnostics"));
+        }
+        if (summary.hasDiagnostics()) {
+            badges.getChildren().add(createBadge(Container.i18n().text(I18n.ASSETS_BADGE_DIAGNOSTICS), "assets-workspace-badge-diagnostics"));
+        }
+    }
+
+    private Label createBadge(String text, String styleClass) {
+        final Label badge = new Label(text);
+        badge.getStyleClass().addAll("assets-workspace-badge", styleClass);
+        return badge;
+    }
+
+    private String buildParticipationLabel(AssetWorkspaceBuildParticipation buildParticipation) {
+        return switch (buildParticipation) {
+            case INCLUDED -> Container.i18n().text(I18n.ASSETS_VALUE_INCLUDED);
+            case EXCLUDED -> Container.i18n().text(I18n.ASSETS_VALUE_EXCLUDED);
+        };
+    }
+
+    private String assetRowToneClass(String assetFamily) {
+        return switch (assetFamily == null ? "" : assetFamily.toLowerCase()) {
+            case "image_bank" -> "assets-workspace-asset-row-image";
+            case "palette_bank" -> "assets-workspace-asset-row-palette";
+            case "sound_bank" -> "assets-workspace-asset-row-sound";
+            default -> "assets-workspace-asset-row-generic";
+        };
+    }
+
+    private String assetNameToneClass(String assetFamily) {
+        return switch (assetFamily == null ? "" : assetFamily.toLowerCase()) {
+            case "image_bank" -> "assets-workspace-asset-name-image";
+            case "palette_bank" -> "assets-workspace-asset-name-palette";
+            case "sound_bank" -> "assets-workspace-asset-name-sound";
+            default -> "assets-workspace-asset-name-generic";
+        };
+    }
+}