From 0fbbbd8ab855cc4ab0ec9cfb5b4f858496304c2d Mon Sep 17 00:00:00 2001
From: Artem Zatsarynnyi <azatsarynnyy@codenvy.com>
Date: Tue, 17 Nov 2015 16:21:33 +0200
Subject: [PATCH] IDEX-3485: hide JS content assist box after switching to
 another file

---
 .../orion/client/OrionEditorWidget.java       | 13 +++++++
 .../client/jso/OrionContentAssistOverlay.java | 34 +++++++++++++++++++
 .../orion/client/jso/OrionEditorOverlay.java  |  5 +++
 3 files changed, 52 insertions(+)
 create mode 100644 plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/jso/OrionContentAssistOverlay.java

diff --git a/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/OrionEditorWidget.java b/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/OrionEditorWidget.java
index 6a159f96d..748ed22cd 100644
--- a/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/OrionEditorWidget.java
+++ b/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/OrionEditorWidget.java
@@ -39,10 +39,13 @@
 import org.eclipse.che.api.promises.client.Operation;
 import org.eclipse.che.api.promises.client.OperationException;
 import org.eclipse.che.ide.api.app.AppContext;
+import org.eclipse.che.ide.api.event.SelectionChangedEvent;
+import org.eclipse.che.ide.api.event.SelectionChangedHandler;
 import org.eclipse.che.ide.api.text.Region;
 import org.eclipse.che.ide.api.text.RegionImpl;
 import org.eclipse.che.ide.api.texteditor.HandlesUndoRedo;
 import org.eclipse.che.ide.editor.orion.client.jso.OrionCodeEditWidgetOverlay;
+import org.eclipse.che.ide.editor.orion.client.jso.OrionContentAssistOverlay;
 import org.eclipse.che.ide.editor.orion.client.jso.OrionEditorOverlay;
 import org.eclipse.che.ide.editor.orion.client.jso.OrionEditorViewOverlay;
 import org.eclipse.che.ide.editor.orion.client.jso.OrionSelectionOverlay;
@@ -522,6 +525,16 @@ public void apply(OrionEditorViewOverlay arg) throws OperationException {
             editorViewOverlay = arg;
             editorOverlay = arg.getEditor();
 
+            final OrionContentAssistOverlay contentAssist = editorOverlay.getContentAssist();
+            eventBus.addHandler(SelectionChangedEvent.TYPE, new SelectionChangedHandler() {
+                @Override
+                public void onSelectionChanged(SelectionChangedEvent event) {
+                    if (contentAssist.isActive()) {
+                        contentAssist.deactivate();
+                    }
+                }
+            });
+
             final OrionTextViewOverlay textView = editorOverlay.getTextView();
             keyModeInstances.add(VI, getViKeyMode(moduleHolder.getModule("OrionVi"), textView));
             keyModeInstances.add(EMACS, getEmacsKeyMode(moduleHolder.getModule("OrionEmacs"), textView));
diff --git a/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/jso/OrionContentAssistOverlay.java b/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/jso/OrionContentAssistOverlay.java
new file mode 100644
index 000000000..91b1cd3d1
--- /dev/null
+++ b/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/jso/OrionContentAssistOverlay.java
@@ -0,0 +1,34 @@
+/*******************************************************************************
+ * Copyright (c) 2014-2015 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.editor.orion.client.jso;
+
+import com.google.gwt.core.client.JavaScriptObject;
+
+/**
+ * JavaScript overlay over Orion ContentAssist object.
+ *
+ * @author Artem Zatsarynnyy
+ */
+public class OrionContentAssistOverlay extends JavaScriptObject {
+
+    protected OrionContentAssistOverlay() {
+    }
+
+    /** Checks whether the content assist is active or not. */
+    public final native boolean isActive() /*-{
+        return this.isActive();
+    }-*/;
+
+    /** Deactivates the content assist. */
+    public final native void deactivate() /*-{
+        this.deactivate();
+    }-*/;
+}
diff --git a/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/jso/OrionEditorOverlay.java b/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/jso/OrionEditorOverlay.java
index 694851f4c..bf4f9e661 100644
--- a/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/jso/OrionEditorOverlay.java
+++ b/plugin-orion/che-plugin-orion-editor/src/main/java/org/eclipse/che/ide/editor/orion/client/jso/OrionEditorOverlay.java
@@ -29,6 +29,11 @@ public final native OrionTextViewOverlay getTextView() /*-{
         return this.getTextView();
     }-*/;
 
+    /** Returns the content assist of the editor. */
+    public final native OrionContentAssistOverlay getContentAssist() /*-{
+        return this.getContentAssist();
+    }-*/;
+
     public final native void focus() /*-{
         this.focus();
     }-*/;