Fix for 4.0 file action context menu (re-implement it via DialogFragment)

[pub/Android/ownCloud.git] / src / com / owncloud / android / ui / dialog / FileActionsDialogFragment.java

diff --git a/src/com/owncloud/android/ui/dialog/FileActionsDialogFragment.java b/src/com/owncloud/android/ui/dialog/FileActionsDialogFragment.java
new file mode 100644 (file)
index 0000000..6a02394
--- /dev/null
+++ b/src/com/owncloud/android/ui/dialog/FileActionsDialogFragment.java
@@ -0,0 +1,146 @@
+package com.owncloud.android.ui.dialog;
+
+import android.support.v4.app.DialogFragment;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.Window;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import com.owncloud.android.R;
+import com.owncloud.android.ui.dialog.parcel.MenuItemParcelable;
+import com.owncloud.android.ui.dialog.parcel.MenuParcelable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Dialog for choosing a file action.
+ */
+public class FileActionsDialogFragment extends DialogFragment implements
+        OnItemClickListener {
+    private static final String ARG_ITEM_LIST = "ITEM_LIST";
+    private static final String ARG_FILE_POSITION = "FILE_POSITION";
+    public static final String FTAG_FILE_ACTIONS = "FILE_ACTIONS_FRAGMENT";
+
+    private List<MenuItemParcelable> menuItems;
+
+    private int filePosition;
+
+    private ListView mListView;
+
+    /**
+     * Listener interface for the file action fragment.
+     */
+    public interface FileActionsDialogFragmentListener {
+        public boolean onFileActionChosen(int menuId, int filePosition);
+    }
+
+    /**
+     * Public factory method to create new FileActionsDialogFragment instances.
+     *
+     * @param menu menu to be display.
+     * @return Dialog ready to show.
+     */
+    public static FileActionsDialogFragment newInstance(Menu menu, int filePosition) {
+        FileActionsDialogFragment fragment = new FileActionsDialogFragment();
+        Bundle args = new Bundle();
+
+        MenuParcelable menuParcelable = new MenuParcelable();
+        menuParcelable.setMenuItems(calculateMenuParcel(menu));
+
+        args.putParcelable(ARG_ITEM_LIST, menuParcelable);
+        args.putInt(ARG_FILE_POSITION, filePosition);
+
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setStyle(DialogFragment.STYLE_NORMAL, R.style.ownCloud_Dialog);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.file_actions, null, false);
+        mListView = (ListView) view.findViewById(R.id.file_actions_list);
+
+        getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
+        return view;
+    }
+
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        filePosition = getArguments().getInt(ARG_FILE_POSITION);
+
+        MenuParcelable menu = getArguments().getParcelable(ARG_ITEM_LIST);
+        menuItems = menu.getMenuItems();
+        List<String> stringList = new ArrayList<String>();
+        for (int i = 0; i < menuItems.size(); i++) {
+            stringList.add(menuItems.get(i).getMenuText());
+        }
+
+        ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),
+                R.layout.simple_dialog_list_item, stringList);
+
+        mListView.setAdapter(adapter);
+
+        mListView.setOnItemClickListener(this);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        dismiss();
+        ((FileActionsDialogFragmentListener) getTargetFragment()).onFileActionChosen(menuItems.get(position).getMenuItemId(), filePosition);
+    }
+
+    /**
+     * calculates a parcelable list of MenuItemParcelable based on the given menu and the visibility of the menu items.
+     *
+     * @param menu the menu to be displayed
+     * @return a filtered List of parcelables based on the menu
+     */
+    private static List<MenuItemParcelable> calculateMenuParcel(Menu menu) {
+        int index = 0;
+        boolean hasNext = true;
+        List<MenuItemParcelable> itemList = new ArrayList<MenuItemParcelable>();
+        MenuParcelable menuParcelable = new MenuParcelable();
+        try {
+            while (hasNext) {
+                MenuItem item = menu.getItem(index);
+                if (item.isVisible()) {
+                    itemList.add(new MenuItemParcelable(item));
+                }
+                index++;
+            }
+        } catch (IndexOutOfBoundsException iobe) {
+            // reach the end of the item list
+        }
+
+        return itemList;
+    }
+}