CHE-5339: Mark with color Git changed files in project explorer

ide/che-core-ide-api/src/main/java/org/eclipse/che/ide/api/event/ng/JsonRpcWebSocketAgentEventListener.java

@@ -70,6 +70,8 @@ public void onWsAgentStarted(WsAgentStateEvent event) {
         initializeJsonRpc();
         initializeTreeExplorerFileWatcher();
         initializeGitCheckoutWatcher();
+        initializeGitChangeWatcher();
+        initializeGitIndexWatcher();
     }
 
     private void initializeJsonRpc() {
@@ -138,7 +140,7 @@ private void initializeTreeExplorerFileWatcher() {
 
         requestTransmitter.newRequest()
                           .endpointId("ws-agent")
-                          .methodName("track:project-tree")
+                          .methodName("track/project-tree")
                           .paramsAsDto(params)
                           .sendAndSkipResult();
 
@@ -147,7 +149,23 @@ private void initializeTreeExplorerFileWatcher() {
     private void initializeGitCheckoutWatcher() {
         requestTransmitter.newRequest()
                           .endpointId("ws-agent")
-                          .methodName("track:git-checkout")
+                          .methodName("track/git-checkout")
+                          .noParams()
+                          .sendAndSkipResult();
+    }
+
+    private void initializeGitChangeWatcher() {
+        requestTransmitter.newRequest()
+                          .endpointId("ws-agent")
+                          .methodName("track/git-change")
+                          .noParams()
+                          .sendAndSkipResult();
+    }
+
+    private void initializeGitIndexWatcher() {
+        requestTransmitter.newRequest()
+                          .endpointId("ws-agent")
+                          .methodName("track/git-index")
                           .noParams()
                           .sendAndSkipResult();
     }

ide/che-core-ide-api/src/main/java/org/eclipse/che/ide/api/event/ng/ProjectTreeStateNotificationOperation.java

@@ -49,7 +49,7 @@ public ProjectTreeStateNotificationOperation(AppContext appContext) {
     @Inject
     public void configureHandler(RequestHandlerConfigurator configurator) {
         configurator.newConfiguration()
-                    .methodName("event:project-tree-state-changed")
+                    .methodName("event/project-tree-state-changed")
                     .paramsAsDto(ProjectTreeStateUpdateDto.class)
                     .noResult()
                     .withBiConsumer(this);

ide/che-core-ide-api/src/main/java/org/eclipse/che/ide/api/parts/EditorTab.java

@@ -45,6 +45,22 @@ public interface EditorTab extends View<EditorTab.ActionDelegate>, TabItem {
      */
     void setFile(VirtualFile file);
 
+    /**
+     * Set color to the label of editor's tab.
+     *
+     * @param color
+     *         CSS color to set. Supported CSS color values:
+     *         <ul>
+     *         <li>Hexadecimal colors e.g. #ff0000</li>
+     *         <li>RGB colors e.g. rgb(255, 0, 0)</li>
+     *         <li>RGBA colors e.g. rgba(255, 0, 0, 0.3)</li>
+     *         <li>HSL colors e.g. hsl(120, 60%, 70%)</li>
+     *         <li>HSLA colors e.g. hsla(120, 100%, 25%, 0.3)</li>
+     *         <li>Predefined/Cross-browser color names e.g. green</li>
+     *         <ul/>
+     */
+    void setTitleColor(String color);
+
     /**
      * Get editor part which associated with given tab
      *

ide/che-core-ide-api/src/main/java/org/eclipse/che/ide/api/resources/File.java

@@ -13,6 +13,7 @@
 import com.google.common.annotations.Beta;
 
 import org.eclipse.che.api.promises.client.Promise;
+import org.eclipse.che.ide.api.vcs.HasVcsStatus;
 import org.eclipse.che.ide.resource.Path;
 
 /**
@@ -30,7 +31,7 @@
  * @since 4.4.0
  */
 @Beta
-public interface File extends Resource, VirtualFile, ModificationTracker {
+public interface File extends Resource, VirtualFile, ModificationTracker, HasVcsStatus {
 
     /** @see VirtualFile#getDisplayName() */
     @Override

ide/che-core-ide-api/src/main/java/org/eclipse/che/ide/api/theme/Style.java

@@ -655,4 +655,16 @@ public static String getVcsConsoleModifiedFilesColor() {
     public static String getVcsConsoleChangesLineNumbersColor() {
         return theme.vcsConsoleChangesLineNumbersColor();
     }
+
+    public static String getVcsStatusAddedColor() {
+        return theme.vcsStatusAddedColor();
+    }
+
+    public static String getVcsStatusModifiedColor() {
+        return theme.vcsStatusModifiedColor();
+    }
+
+    public static String getVcsStatusUntrackedColor() {
+        return theme.vcsStatusUntrackedColor();
+    }
 }

ide/che-core-ide-api/src/main/java/org/eclipse/che/ide/api/theme/Theme.java

@@ -1580,7 +1580,7 @@ public interface Theme {
     String notificationPopupProgressBackground();
 
     String notificationPopupWarningBackground();
-    
+
     String notificationPopupPanelShadow();
 
     String notificationPopupIconSuccessFill();
@@ -1590,7 +1590,7 @@ public interface Theme {
     String notificationPopupIconProgressFill();
 
     String notificationPopupIconWarningFill();
-    
+
     String notificationPopupIconSvgFill();
 
     String notificationPopupTextColor();
@@ -1655,6 +1655,12 @@ public interface Theme {
 
     String vcsConsoleChangesLineNumbersColor();
 
+    String vcsStatusAddedColor();
+
+    String vcsStatusModifiedColor();
+
+    String vcsStatusUntrackedColor();
+
     String editorPreferenceCategoryBackgroundColor();
 
     /********************************************************************************************
@@ -1676,6 +1682,7 @@ public interface Theme {
     String popupLoaderShadow();
 
     String popupLoaderTitleColor();
+
     String popupLoaderTextColor();
 
 }

ide/che-core-ide-api/src/main/java/org/eclipse/che/ide/api/vcs/HasVcsStatus.java

@@ -0,0 +1,32 @@
+/*******************************************************************************
+ * Copyright (c) 2012-2017 Codenvy, S.A.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Codenvy, S.A. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.che.ide.api.vcs;
+
+/**
+ * Indicates that specified resource has VCS status attribute.
+ *
+ * @author Igor Vinokur
+ */
+public interface HasVcsStatus {
+
+    /**
+     * Returns VCS status attribute of the resource.
+     */
+    VcsStatus getVcsStatus();
+
+    /**
+     * Set VCS status attribute to the resource.
+     *
+     * @param vcsStatus
+     *         VCS status to set
+     */
+    void setVcsStatus(VcsStatus vcsStatus);
+}

ide/che-core-ide-api/src/main/java/org/eclipse/che/ide/api/vcs/VcsStatus.java

@@ -0,0 +1,54 @@
+/*******************************************************************************
+ * Copyright (c) 2012-2017 Codenvy, S.A.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Codenvy, S.A. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.che.ide.api.vcs;
+
+import org.eclipse.che.ide.api.theme.Style;
+
+import static java.util.Arrays.stream;
+
+public enum VcsStatus {
+
+    UNTRACKED("untracked"),
+    ADDED("added"),
+    MODIFIED("modified"),
+    NOT_MODIFIED("not_modified");
+
+    private String value;
+
+    VcsStatus(String value) {
+        this.value = value;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public String getColor() {
+        switch (this) {
+            case UNTRACKED:
+                return Style.getVcsStatusUntrackedColor();
+            case MODIFIED:
+                return Style.getVcsStatusModifiedColor();
+            case ADDED:
+                return Style.getVcsStatusAddedColor();
+            case NOT_MODIFIED:
+                return Style.getMainFontColor();
+            default:
+                return null;
+        }
+    }
+
+    public static VcsStatus from(String value) {
+        return stream(VcsStatus.values()).filter(vcsStatus -> vcsStatus.getValue().equals(value.toLowerCase()))
+                                         .findAny()
+                                         .orElse(null);
+    }
+}

ide/che-core-ide-api/src/main/resources/org/eclipse/che/ide/api/parts/partstack.css

@@ -161,8 +161,9 @@ div[maximized="true"] svg[name="workBenchIconMaximize"] {
     width: auto;
     overflow: visible;
 
-    text-decoration: underline;
-    color: red;
+    text-decoration-line: underline;
+    text-decoration-style: wavy;
+    text-decoration-color: red;
 }
 
 /*@sprite .ide-PartStack-Tab-Line-Warning {*/
@@ -176,6 +177,7 @@ div[maximized="true"] svg[name="workBenchIconMaximize"] {
     width: auto;
     overflow: visible;
 
-    text-decoration: underline;
-    color: #FFD31E;
+    text-decoration-line: underline;
+    text-decoration-style: wavy;
+    text-decoration-color: #FFD31E;
 }

ide/che-core-ide-app/src/main/java/org/eclipse/che/ide/part/editor/EditorPartStackPresenter.java

@@ -22,6 +22,7 @@
 import org.eclipse.che.ide.api.action.ActionEvent;
 import org.eclipse.che.ide.api.action.ActionManager;
 import org.eclipse.che.ide.api.action.Presentation;
+import org.eclipse.che.ide.api.app.AppContext;
 import org.eclipse.che.ide.api.constraints.Constraints;
 import org.eclipse.che.ide.api.editor.AbstractEditorPresenter;
 import org.eclipse.che.ide.api.editor.EditorAgent;
@@ -86,6 +87,7 @@ public class EditorPartStackPresenter extends PartStackPresenter implements Edit
                                                                             CloseNonPinnedEditorsHandler,
                                                                             ResourceChangedHandler {
     private final PresentationFactory              presentationFactory;
+    private final AppContext                       appContext;
     private final EditorPaneMenuItemFactory        editorPaneMenuItemFactory;
     private final EventBus                         eventBus;
     private final EditorPaneMenu                   editorPaneMenu;
@@ -99,8 +101,8 @@ public class EditorPartStackPresenter extends PartStackPresenter implements Edit
     private final LinkedList<EditorPartPresenter> partsOrder;
     private final LinkedList<EditorPartPresenter> closedParts;
 
-    private HandlerRegistration       closeNonPinnedEditorsHandler;
-    private HandlerRegistration       resourceChangeHandler;
+    private HandlerRegistration closeNonPinnedEditorsHandler;
+    private HandlerRegistration resourceChangeHandler;
 
     @VisibleForTesting
     PaneMenuActionItemHandler paneMenuActionItemHandler;
@@ -109,6 +111,7 @@ public class EditorPartStackPresenter extends PartStackPresenter implements Edit
 
     @Inject
     public EditorPartStackPresenter(EditorPartStackView view,
+                                    AppContext appContext,
                                     PartMenu partMenu,
                                     PartsComparator partsComparator,
                                     EditorPaneMenuItemFactory editorPaneMenuItemFactory,
@@ -122,6 +125,7 @@ public EditorPartStackPresenter(EditorPartStackView view,
                                     CloseAllTabsPaneAction closeAllTabsPaneAction,
                                     EditorAgent editorAgent) {
         super(eventBus, partMenu, partStackEventHandler, tabItemFactory, partsComparator, view, null);
+        this.appContext = appContext;
         this.editorPaneMenuItemFactory = editorPaneMenuItemFactory;
         this.eventBus = eventBus;
         this.presentationFactory = presentationFactory;
@@ -211,6 +215,14 @@ public void addPart(@NotNull PartPresenter part) {
 
         final EditorTab editorTab = tabItemFactory.createEditorPartButton(editorPart, this);
 
+        appContext.getWorkspaceRoot()
+                  .getFile(file.getLocation())
+                  .then(optional -> {
+                      if (optional.isPresent()) {
+                          editorTab.setTitleColor(optional.get().getVcsStatus().getColor());
+                      }
+                  });
+
         editorPart.addPropertyListener(new PropertyListener() {
             @Override
             public void propertyChanged(PartPresenter source, int propId) {
@@ -493,7 +505,8 @@ public void onItemClicked(@NotNull EditorPaneMenuItem<Action> item) {
         }
 
         @Override
-        public void onCloseButtonClicked(@NotNull EditorPaneMenuItem<Action> item) {}
+        public void onCloseButtonClicked(@NotNull EditorPaneMenuItem<Action> item) {
+        }
     }
 
     @VisibleForTesting

ide/che-core-ide-app/src/main/java/org/eclipse/che/ide/part/explorer/project/ProjectExplorerPresenter.java

@@ -159,7 +159,7 @@ public ProjectExplorerPresenter(ProjectExplorerView view,
     @Inject
     public void initFileWatchers() {
         final String endpointId = "ws-agent";
-        final String method = "track:project-tree";
+        final String method = "track/project-tree";
 
         getTree().addExpandHandler(event -> {
             Node node = event.getNode();

ide/che-core-ide-app/src/main/java/org/eclipse/che/ide/part/widgets/editortab/EditorTabWidget.java

@@ -266,6 +266,11 @@ public void setFile(VirtualFile file) {
         this.file = file;
     }
 
+    @Override
+    public void setTitleColor(String color) {
+        this.title.getElement().getStyle().setColor(color);
+    }
+
     @Override
     public EditorPartPresenter getRelativeEditorPart() {
         return relatedEditorPart;

ide/che-core-ide-app/src/main/java/org/eclipse/che/ide/resources/impl/FileImpl.java

@@ -20,6 +20,7 @@
 import org.eclipse.che.ide.api.resources.File;
 import org.eclipse.che.ide.api.resources.marker.Marker;
 import org.eclipse.che.ide.api.resources.marker.PresentableTextMarker;
+import org.eclipse.che.ide.api.vcs.VcsStatus;
 import org.eclipse.che.ide.resource.Path;
 import org.eclipse.che.ide.util.TextUtils;
 
@@ -34,17 +35,20 @@
 @Beta
 class FileImpl extends ResourceImpl implements File {
 
-    private final String contentUrl;
+    private final String    contentUrl;
+    private       VcsStatus vcsStatus;
 
     private String modificationStamp;
 
     @Inject
     protected FileImpl(@Assisted Path path,
                        @Assisted String contentUrl,
-                       @Assisted ResourceManager resourceManager) {
+                       @Assisted ResourceManager resourceManager,
+                       @Assisted VcsStatus vcsStatus) {
         super(path, resourceManager);
 
         this.contentUrl = contentUrl;
+        this.vcsStatus = vcsStatus;
     }
 
     /** {@inheritDoc} */
@@ -145,4 +149,14 @@ public String getModificationStamp() {
     public void updateModificationStamp(String content) {
         this.modificationStamp = TextUtils.md5(content);
     }
+
+    @Override
+    public VcsStatus getVcsStatus() {
+        return vcsStatus;
+    }
+
+    @Override
+    public void setVcsStatus(VcsStatus vcsStatus) {
+        this.vcsStatus = vcsStatus;
+    }
 }