Started work on tabbed browsing. Updated demo app.

demo-app/src/main/AndroidManifest.xml

@@ -29,6 +29,11 @@
             android:label="@string/app_name"
             android:theme="@style/AppThemeLight" />
 
+        <activity
+            android:name=".TabbedBrowsingActivity.TabbedListActivity"
+            android:label="@string/app_name"
+            android:theme="@style/AppThemeLight" />
+
     </application>
 
 </manifest>

demo-app/src/main/java/com/psaravan/filebrowserview/demo/MainActivity/MainActivity.java

@@ -29,6 +29,7 @@
 import com.psaravan.filebrowserview.demo.GridActivity.GridActivity;
 import com.psaravan.filebrowserview.demo.ListActivity.ListActivity;
 import com.psaravan.filebrowserview.demo.R;
+import com.psaravan.filebrowserview.demo.TabbedBrowsingActivity.TabbedListActivity;
 
 /**
  * Launcher class that displays all the options and FileBrowserView samples.
@@ -76,6 +77,8 @@ public void onItemClick(AdapterView<?> parent, View view, int position, long id)
                         fragment.show(fragmentManager, "dialogFragment");
                         break;
                     case 3:
+                        intent = new Intent(mContext, TabbedListActivity.class);
+                        startActivity(intent);
                         break;
                 }
 

demo-app/src/main/java/com/psaravan/filebrowserview/demo/TabbedBrowsingActivity/TabbedListActivity.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2014 Saravan Pantham
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.psaravan.filebrowserview.demo.TabbedBrowsingActivity;
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.Bundle;
+
+import com.psaravan.filebrowserview.demo.R;
+import com.psaravan.filebrowserview.lib.Interfaces.NavigationInterface;
+import com.psaravan.filebrowserview.lib.View.FileBrowserView;
+
+import java.io.File;
+
+/**
+ * Example implementation for a tabbed, List representation of the view.
+ *
+ * @author Saravan Pantham
+ */
+public class TabbedListActivity extends Activity {
+
+    //Context.
+    private Context mContext;
+
+    //FileBrowserView reference.
+    private FileBrowserView mFileBrowserView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_file_browser_view);
+        mContext = this.getApplicationContext();
+
+        //Grab a reference handle on the view, just like you'd do with any other view.
+        mFileBrowserView = (FileBrowserView) findViewById(R.id.fileBrowserView);
+
+        //Customize the view.
+        mFileBrowserView.setFileBrowserLayoutType(FileBrowserView.FILE_BROWSER_LIST_LAYOUT) //Set the type of view to use.
+                        .setDefaultDirectory(new File("/")) //Set the default directory to show.
+                        .setShowHiddenFiles(true) //Set whether or not you want to show hidden files.
+                        .showItemSizes(true) //Shows the sizes of each item in the list.
+                        .showOverflowMenus(true) //Shows the overflow menus for each item in the list.
+                        .showItemIcons(true) //Shows the icons next to each item name in the list.
+                        .setNavigationInterface(navInterface) //Sets the nav interface instance for this view.
+                        .enableTabbedBrowsing(true) //Enable tabbed browsing.
+                        .init(); //Loads the view. You MUST call this method, or the view will not be displayed.
+
+    }
+
+    /**
+     * Navigation interface for the view. Used to capture events such as a new
+     * directory being loaded, files being opened, etc. For our purposes here,
+     * we'll be using the onNewDirLoaded() method to update the ActionBar's title
+     * with the current directory's path.
+     */
+    private NavigationInterface navInterface = new NavigationInterface() {
+
+        @Override
+        public void onNewDirLoaded(File dirFile) {
+            //Update the action bar title.
+            getActionBar().setTitle(dirFile.getAbsolutePath());
+        }
+
+        @Override
+        public void onFileOpened(File file) {
+
+        }
+
+        @Override
+        public void onParentDirLoaded(File dirFile) {
+
+        }
+
+        @Override
+        public void onFileFolderOpenFailed(File file) {
+
+        }
+
+    };
+
+}

demo-app/src/main/res/values/array.xml

@@ -4,7 +4,7 @@
         <item>Simple List</item>
         <item>Simple Grid</item>
         <item>Dialog Fragment</item>
-        <item>Tabs</item>
+        <item>Tabbed Browsing</item>
         <item>Custom Header View</item>
     </string-array>
 

library/src/main/java/com/psaravan/filebrowserview/lib/GridLayout/GridLayoutView.java

@@ -67,7 +67,8 @@ public GridLayoutView init() {
      *
      * @param directory The File object that points to the directory to load.
      */
-    private void showDir(File directory) {
+    @Override
+    protected void showDir(File directory) {
 
         //Call the interface callback method.
         if (mNavigationInterface!=null)

library/src/main/java/com/psaravan/filebrowserview/lib/ListLayout/ListLayoutView.java

@@ -51,6 +51,8 @@ public ListLayoutView(Context context, AttributeSet attributeSet, FileBrowserVie
 
     /**
      * Inflates the layout and sets the list's adapter.
+     *
+     * @return A reference to this view's instance.
      */
     public ListLayoutView init() {
         //Inflate the view from the XML resource.
@@ -67,7 +69,8 @@ public ListLayoutView init() {
      *
      * @param directory The File object that points to the directory to load.
      */
-    private void showDir(File directory) {
+    @Override
+    protected void showDir(File directory) {
 
         //Call the interface callback method.
         if (mNavigationInterface!=null)

library/src/main/java/com/psaravan/filebrowserview/lib/View/BaseLayoutView.java

@@ -22,6 +22,8 @@
 
 import com.psaravan.filebrowserview.lib.Interfaces.NavigationInterface;
 
+import java.io.File;
+
 /**
  * The base layout that is extended by {@link com.psaravan.filebrowserview.lib.ListLayout.ListLayoutView}
  * and {@link com.psaravan.filebrowserview.lib.GridLayout.GridLayoutView}.
@@ -30,6 +32,11 @@
  */
 public abstract class BaseLayoutView extends View {
 
+    /**
+     * Context intstance.
+     */
+    protected Context mContext;
+
     /**
      * The ListView/GridView that displays the file system.
      */
@@ -46,8 +53,17 @@ public abstract class BaseLayoutView extends View {
      */
     public BaseLayoutView(Context context, AttributeSet attributeSet) {
         super(context, attributeSet);
+        mContext = context;
     }
 
+    /**
+     * Override this method to implement your logic for loading a directory structure of the
+     * specified dir and to set your AbsListView's adapter.
+     *
+     * @param directory The File object that points to the directory to load.
+     */
+    protected abstract void showDir(File directory);
+
     /**
      * Sets the navigation interface instance for this view.
      *

library/src/main/java/com/psaravan/filebrowserview/lib/View/FileBrowserView.java

@@ -72,6 +72,9 @@ public class FileBrowserView extends FrameLayout {
     //Navigation Interface.
     private NavigationInterface mNavigationInterface;
 
+    //Whether or not tabbed browsing is enabled.
+    private boolean mTabbedBrowsingEnabled = false;
+
     public FileBrowserView(Context context) {
         super(context);
         mContext = context;
@@ -112,11 +115,20 @@ public void init() {
         //Initialize the file browser engine for this view instance.
         mFileBrowserEngine = new FileBrowserEngine(mContext, this);
 
-        //Inflate the view's layout based on the selected layout.
-        if (getFileBrowserLayoutType()==FILE_BROWSER_LIST_LAYOUT)
-            mFileBrowserLayout = new ListLayoutView(mContext, mAttributeSet, this).init();
-        else
-            mFileBrowserLayout = new GridLayoutView(mContext, mAttributeSet, this).init();
+        /*
+         * If tabbed browsing is enabled, an instance of TabContainer will
+         * become the direct child of this view. If not, we can directly
+         * inflate the List/Grid layout views.
+         */
+        if (isTabbedBrowsingEnabled()) {
+            mFileBrowserLayout = new TabsContainer(mContext, mAttributeSet, this).init();
+        } else {
+            //Inflate the view's layout based on the selected layout.
+            if (getFileBrowserLayoutType()==FILE_BROWSER_LIST_LAYOUT)
+                mFileBrowserLayout = new ListLayoutView(mContext, mAttributeSet, this).init();
+            else
+                mFileBrowserLayout = new GridLayoutView(mContext, mAttributeSet, this).init();
+        }
 
         //Apply the navigation interface.
         mFileBrowserLayout.setNavigationInterface(mNavigationInterface);
@@ -245,6 +257,26 @@ public FileBrowserView setNavigationInterface(NavigationInterface navInterface)
         return this;
     }
 
+    /**
+     * Sets whether or not tabbed browsing should be enabled. If you pass true,
+     * a TabHost will be placed above the FileBrowserView and will allow the user
+     * to open new tabs to browse the filesystem (à la Google Chrome tab browsing).
+     *
+     * @param enable Whether or not tabbed browsing should be enabled.
+     * @return An instance of this FileBrowserView to allow method chaining.
+     */
+    public FileBrowserView enableTabbedBrowsing(boolean enable) {
+        mTabbedBrowsingEnabled = enable;
+        return this;
+    }
+
+    /**
+     * @return The AttributeSet object associated with this view instance.
+     */
+    public AttributeSet getAttributeSet() {
+        return mAttributeSet;
+    }
+
     /**
      * @return The current layout type for this FileBrowserView instance.
      */
@@ -319,4 +351,11 @@ public boolean shouldShowItemIcons() {
 
     }
 
+    /**
+     * @return Whether tabbed browsing is enabled or not for this FileBrowserView instance.
+     */
+    public boolean isTabbedBrowsingEnabled() {
+        return mTabbedBrowsingEnabled;
+    }
+
 }