[3982] Add support for command palette

Bug: #3982
Signed-off-by: Stéphane Bégaudeau <stephane.begaudeau@obeo.fr>
Signed-off-by: Guillaume Coutable <guillaume.coutable@obeo.fr>

CHANGELOG.adoc

@@ -31,7 +31,8 @@ Both `IInput` and `IDomainEvent` implement `ICause` and will thus be used to ind
 - https://github.com/eclipse-sirius/sirius-web/issues/3972[#3972] [diagram] The `InsideLabelStyle#displayHeaderSeparator` has been renamed to `headerSeparatorDisplayMode` and is no longer a boolean but an enum with three possible values: NEVER, ALWAYS, and IF-CHILDREN.
 Previously, the value false was equivalent to NEVER, and true to IF-CHILDREN.
 The new option ALWAYS allows the separator to be displayed in every case.
-- https://github.com/eclipse-sirius/sirius-web/issues/3678[#3678] [core] Remove `IRepresentationMetadataSearchService#findByRepresentation`, use `IRepresentationMetadataSearchService#findByRepresentationId` instead. 
+- https://github.com/eclipse-sirius/sirius-web/issues/3678[#3678] [core] Remove `IRepresentationMetadataSearchService#findByRepresentation`, use `IRepresentationMetadataSearchService#findByRepresentationId` instead.
+- https://github.com/eclipse-sirius/sirius-web/issues/3982[#3982] [sirius-web] The edit project view needs to declare the `OmniboxProvider` to benefit from the command palette.
 
 === Dependency update
 
@@ -53,12 +54,14 @@ The new option ALWAYS allows the separator to be displayed in every case.
 - https://github.com/eclipse-sirius/sirius-web/issues/3763[#3763] [diagram] Make it possible to display semantic candidates in the selection dialog using a tree
 - https://github.com/eclipse-sirius/sirius-web/issues/3979[#3979] [core] Add Project related REST APIs.
 The new endpoints are:
-** getProjects (`GET /api/rest/projects`): Get all projects. 
+** getProjects (`GET /api/rest/projects`): Get all projects.
 ** getProjectById (`GET /api/rest/projects/{projectId}`): Get project with the given id (projectId).
 ** createProject (`POST /projects`): Create a new project with the given name and
 description (optional).
 ** deleteProject (`POST /api/rest/projects/{projectId}`): Delete the project with the given id (projectId).
 ** updateProject (`PUT /projects/{projectId}`): Update the project with the given id (projectId).
+- https://github.com/eclipse-sirius/sirius-web/issues/3982[#3982] [core] Add support for the command palette.
+
 
 === Improvements
 

packages/core/backend/pom.xml

@@ -37,6 +37,7 @@
 		<module>sirius-components-representations</module>
 		<module>sirius-components-events</module>
 		<module>sirius-components-core</module>
+		<module>sirius-components-core-graphql</module>
 		<module>sirius-components-collaborative</module>
 		<module>sirius-components-graphql-api</module>
 	</modules>

packages/core/backend/sirius-components-collaborative/pom.xml

@@ -40,6 +40,10 @@
 	</distributionManagement>
 
 	<dependencies>
+		<dependency>
+			<groupId>com.graphql-java</groupId>
+			<artifactId>graphql-java</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.projectreactor</groupId>
 			<artifactId>reactor-core</artifactId>

packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/dto/GetOmniboxCommandsInput.java

@@ -0,0 +1,31 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Obeo.
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     Obeo - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.sirius.components.collaborative.dto;
+
+import java.util.Objects;
+import java.util.UUID;
+
+import org.eclipse.sirius.components.core.api.IInput;
+
+/**
+ * The input for the get omnibox commands query.
+ *
+ * @author gcoutable
+ */
+public record GetOmniboxCommandsInput(UUID id, String query) implements IInput {
+    public GetOmniboxCommandsInput {
+        Objects.requireNonNull(id);
+        Objects.requireNonNull(query);
+    }
+}

packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/dto/GetOmniboxCommandsPayload.java

@@ -0,0 +1,32 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Obeo.
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     Obeo - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.sirius.components.collaborative.dto;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+
+import org.eclipse.sirius.components.core.api.IPayload;
+
+/**
+ * The payload for the get omnibox commands query.
+ *
+ * @author gcoutable
+ */
+public record GetOmniboxCommandsPayload(UUID id, List<OmniboxCommand> omniboxCommands) implements IPayload {
+    public GetOmniboxCommandsPayload {
+        Objects.requireNonNull(id);
+        Objects.requireNonNull(omniboxCommands);
+    }
+}

packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/dto/OmniboxCommand.java

@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Obeo.
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     Obeo - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.sirius.components.collaborative.dto;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * The omnibox command.
+ *
+ * @author gcoutable
+ */
+public record OmniboxCommand(UUID id, String label, String kind, List<String> iconURL, String description) {
+    public OmniboxCommand {
+        Objects.requireNonNull(id);
+        Objects.requireNonNull(label);
+        Objects.requireNonNull(kind);
+        Objects.requireNonNull(iconURL);
+        Objects.requireNonNull(description);
+    }
+}

packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/dto/OmniboxContextEntry.java

@@ -0,0 +1,24 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Obeo.
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     Obeo - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.sirius.components.collaborative.dto;
+
+import java.util.UUID;
+
+/**
+ * The omnibox context entry.
+ *
+ * @author gcoutable
+ */
+public record OmniboxContextEntry(UUID id, String label, String kind) {
+}

packages/sirius-web/backend/sirius-web-application/src/main/java/org/eclipse/sirius/web/application/dto/PageInfoWithCount.java → packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/dto/PageInfoWithCount.java

@@ -10,7 +10,7 @@
  * Contributors:
  *     Obeo - initial API and implementation
  *******************************************************************************/
-package org.eclipse.sirius.web.application.dto;
+package org.eclipse.sirius.components.collaborative.dto;
 
 import graphql.relay.ConnectionCursor;
 import graphql.relay.PageInfo;

packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/handlers/GetOmniboxCommandsEventHandler.java

@@ -0,0 +1,113 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Obeo.
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     Obeo - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.sirius.components.collaborative.handlers;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.UUID;
+
+import org.eclipse.sirius.components.collaborative.api.ChangeDescription;
+import org.eclipse.sirius.components.collaborative.api.ChangeKind;
+import org.eclipse.sirius.components.collaborative.api.IEditingContextEventHandler;
+import org.eclipse.sirius.components.collaborative.api.IQueryService;
+import org.eclipse.sirius.components.collaborative.api.Monitoring;
+import org.eclipse.sirius.components.collaborative.dto.CreateChildInput;
+import org.eclipse.sirius.components.collaborative.dto.GetOmniboxCommandsInput;
+import org.eclipse.sirius.components.collaborative.dto.GetOmniboxCommandsPayload;
+import org.eclipse.sirius.components.collaborative.dto.OmniboxCommand;
+import org.eclipse.sirius.components.collaborative.dto.QueryBasedObjectsInput;
+import org.eclipse.sirius.components.collaborative.dto.QueryBasedObjectsSuccessPayload;
+import org.eclipse.sirius.components.collaborative.messages.ICollaborativeMessageService;
+import org.eclipse.sirius.components.core.api.ErrorPayload;
+import org.eclipse.sirius.components.core.api.IEditingContext;
+import org.eclipse.sirius.components.core.api.IInput;
+import org.eclipse.sirius.components.core.api.IObjectService;
+import org.eclipse.sirius.components.core.api.IPayload;
+import org.eclipse.sirius.components.representations.Message;
+import org.eclipse.sirius.components.representations.MessageLevel;
+import org.springframework.stereotype.Service;
+
+import io.micrometer.core.instrument.Counter;
+import io.micrometer.core.instrument.MeterRegistry;
+import reactor.core.publisher.Sinks;
+
+/**
+ * The event handler to retrieve omnibox commands in the context of an editing context.
+ *
+ * @author gcoutable
+ */
+@Service
+public class GetOmniboxCommandsEventHandler implements IEditingContextEventHandler {
+
+    private final IObjectService objectService;
+
+    private final ICollaborativeMessageService messageService;
+
+    private final IQueryService queryService;
+
+    private final Counter counter;
+
+    public GetOmniboxCommandsEventHandler(IObjectService objectService, ICollaborativeMessageService messageService, IQueryService queryService, MeterRegistry meterRegistry) {
+        this.objectService = Objects.requireNonNull(objectService);
+        this.messageService = Objects.requireNonNull(messageService);
+        this.queryService = Objects.requireNonNull(queryService);
+
+        this.counter = Counter.builder(Monitoring.EVENT_HANDLER)
+                .tag(Monitoring.NAME, this.getClass().getSimpleName())
+                .register(meterRegistry);
+    }
+
+    @Override
+    public boolean canHandle(IEditingContext editingContext, IInput input) {
+        return input instanceof GetOmniboxCommandsInput;
+    }
+
+    @Override
+    public void handle(Sinks.One<IPayload> payloadSink, Sinks.Many<ChangeDescription> changeDescriptionSink, IEditingContext editingContext, IInput input) {
+        this.counter.increment();
+
+        List<Message> messages = List.of(new Message(this.messageService.invalidInput(input.getClass().getSimpleName(), CreateChildInput.class.getSimpleName()),
+                MessageLevel.ERROR));
+        ChangeDescription changeDescription = new ChangeDescription(ChangeKind.NOTHING, editingContext.getId(), input);
+        IPayload payload = null;
+
+        if (input instanceof GetOmniboxCommandsInput getOmniboxCommandsInput) {
+            List<OmniboxCommand> omniboxCommands = new ArrayList<>();
+
+            var queryBasedObjectsInput = new QueryBasedObjectsInput(UUID.randomUUID(), "aql:editingContext.allContents()->select(e | e.name.contains('" + getOmniboxCommandsInput.query() + "'))", Map.of("editingContext", editingContext));
+            var objectsPayload = this.queryService.execute(editingContext, queryBasedObjectsInput);
+
+            if (objectsPayload instanceof QueryBasedObjectsSuccessPayload queryBasedObjectsSuccessPayload) {
+                queryBasedObjectsSuccessPayload.result().forEach(object -> {
+                    var id = this.objectService.getId(object);
+                    var label = this.objectService.getLabel(object);
+                    var kind = this.objectService.getKind(object);
+                    var iconURL = this.objectService.getImagePath(object);
+                    omniboxCommands.add(new OmniboxCommand(UUID.fromString(id), label, kind, iconURL, ""));
+                });
+
+                payload = new GetOmniboxCommandsPayload(input.id(), omniboxCommands);
+            }
+        }
+
+        if (payload == null) {
+            payload = new ErrorPayload(input.id(), messages);
+        }
+
+        payloadSink.tryEmitValue(payload);
+        changeDescriptionSink.tryEmitNext(changeDescription);
+    }
+}

packages/core/backend/sirius-components-collaborative/src/main/resources/schema/omnibox.graphqls

@@ -0,0 +1,25 @@
+extend type Viewer {
+    omniboxCommands(contextEntries: [OmniboxContextEntry!]!, query: String!): OmniboxCommandsConnection!
+}
+input OmniboxContextEntry {
+    id: ID!
+    label: String!
+    kind: String!
+}
+
+type OmniboxCommandsConnection {
+    edges: [OmniboxCommandsEdge!]!
+    pageInfo: PageInfo!
+}
+
+type OmniboxCommandsEdge {
+    node: OmniboxCommand!
+}
+
+type OmniboxCommand {
+    id: ID!
+    label: String!
+    kind: String!
+    iconURL: [String!]!
+    description: String!
+}

packages/core/backend/sirius-components-core-graphql/.checkstyle

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<fileset-config file-format-version="1.2.0" simple-config="true" sync-formatter="false">
+  <fileset name="all" enabled="true" check-config-name="Sirius" local="false">
+    <file-match-pattern match-pattern="." include-pattern="true"/>
+  </fileset>
+  <filter name="FilesFromPackage" enabled="true">
+    <filter-data value="src/main/resources"/>
+  </filter>
+</fileset-config>

packages/core/backend/sirius-components-core-graphql/.classpath

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="test" value="true"/>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
+		<attributes>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="test" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
+		<attributes>
+			<attribute name="module" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="target/generated-sources/annotations">
+		<attributes>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
+		<attributes>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="test" value="true"/>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>