mirror of
https://github.com/nextcloud/android.git
synced 2024-11-23 21:55:48 +03:00
Some clean-up and refactoring in fragments listing files
This commit is contained in:
David A. Velasco
parent
f63996d115
commit
b3bc1aeaf2
5 changed files with 149 additions and 200 deletions
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@ -1,3 +1,20 @@
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/* ownCloud Android client application
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* Copyright (C) 2012-2014 ownCloud Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.owncloud.android.ui.activity;
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import java.io.IOException;
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@ -18,6 +18,8 @@
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package com.owncloud.android.ui.fragment;
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import java.util.ArrayList;
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import android.os.Bundle;
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import android.support.v4.widget.SwipeRefreshLayout;
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import android.view.LayoutInflater;
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@ -42,6 +44,11 @@ public class ExtendedListFragment extends SherlockFragment implements OnItemClic
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private static final String TAG = ExtendedListFragment.class.getSimpleName();
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private static final String KEY_SAVED_LIST_POSITION = "SAVED_LIST_POSITION";
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private static final String KEY_INDEXES = "INDEXES";
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private static final String KEY_FIRST_POSITIONS= "FIRST_POSITIONS";
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private static final String KEY_TOPS = "TOPS";
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private static final String KEY_HEIGHT_CELL = "HEIGHT_CELL";
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private static final String KEY_EMPTY_LIST_MESSAGE = "EMPTY_LIST_MESSAGE";
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protected ExtendedListView mList;
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@ -49,6 +56,13 @@ public class ExtendedListFragment extends SherlockFragment implements OnItemClic
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private SwipeRefreshLayout mRefreshEmptyLayout;
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private TextView mEmptyListMessage;
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// Save the state of the scroll in browsing
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private ArrayList<Integer> mIndexes;
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private ArrayList<Integer> mFirstPositions;
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private ArrayList<Integer> mTops;
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private int mHeightCell = 0;
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public void setListAdapter(ListAdapter listAdapter) {
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mList.setAdapter(listAdapter);
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mList.invalidate();
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@ -62,7 +76,6 @@ public class ExtendedListFragment extends SherlockFragment implements OnItemClic
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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Log_OC.e(TAG, "onCreateView");
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//mList = new ExtendedListView(getActivity());
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View v = inflater.inflate(R.layout.list_fragment, null);
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mEmptyListMessage = (TextView) v.findViewById(R.id.empty_list_view);
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@ -90,11 +103,39 @@ public class ExtendedListFragment extends SherlockFragment implements OnItemClic
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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if (savedInstanceState != null) {
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mIndexes = savedInstanceState.getIntegerArrayList(KEY_INDEXES);
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mFirstPositions = savedInstanceState.getIntegerArrayList(KEY_FIRST_POSITIONS);
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mTops = savedInstanceState.getIntegerArrayList(KEY_TOPS);
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mHeightCell = savedInstanceState.getInt(KEY_HEIGHT_CELL);
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setMessageForEmptyList(savedInstanceState.getString(KEY_EMPTY_LIST_MESSAGE));
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} else {
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mIndexes = new ArrayList<Integer>();
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mFirstPositions = new ArrayList<Integer>();
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mTops = new ArrayList<Integer>();
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mHeightCell = 0;
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}
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}
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@Override
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public void onSaveInstanceState(Bundle savedInstanceState) {
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super.onSaveInstanceState(savedInstanceState);
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Log_OC.e(TAG, "onSaveInstanceState()");
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savedInstanceState.putInt(KEY_SAVED_LIST_POSITION, getReferencePosition());
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savedInstanceState.putIntegerArrayList(KEY_INDEXES, mIndexes);
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savedInstanceState.putIntegerArrayList(KEY_FIRST_POSITIONS, mFirstPositions);
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savedInstanceState.putIntegerArrayList(KEY_TOPS, mTops);
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savedInstanceState.putInt(KEY_HEIGHT_CELL, mHeightCell);
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savedInstanceState.putString(KEY_EMPTY_LIST_MESSAGE, getEmptyViewText());
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}
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@ -126,6 +167,60 @@ public class ExtendedListFragment extends SherlockFragment implements OnItemClic
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}
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}
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/*
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* Restore index and position
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*/
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protected void restoreIndexAndTopPosition() {
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if (mIndexes.size() > 0) {
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// needs to be checked; not every browse-up had a browse-down before
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int index = mIndexes.remove(mIndexes.size() - 1);
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int firstPosition = mFirstPositions.remove(mFirstPositions.size() -1);
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int top = mTops.remove(mTops.size() - 1);
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mList.setSelectionFromTop(firstPosition, top);
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// Move the scroll if the selection is not visible
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int indexPosition = mHeightCell*index;
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int height = mList.getHeight();
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if (indexPosition > height) {
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if (android.os.Build.VERSION.SDK_INT >= 11)
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{
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mList.smoothScrollToPosition(index);
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}
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else if (android.os.Build.VERSION.SDK_INT >= 8)
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{
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mList.setSelectionFromTop(index, 0);
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}
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}
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}
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}
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/*
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* Save index and top position
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*/
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protected void saveIndexAndTopPosition(int index) {
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mIndexes.add(index);
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int firstPosition = mList.getFirstVisiblePosition();
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mFirstPositions.add(firstPosition);
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View view = mList.getChildAt(0);
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int top = (view == null) ? 0 : view.getTop() ;
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mTops.add(top);
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// Save the height of a cell
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mHeightCell = (view == null || mHeightCell != 0) ? mHeightCell : view.getHeight();
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}
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@Override
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public void onItemClick (AdapterView<?> parent, View view, int position, long id) {
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// to be @overriden
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@ -90,7 +90,7 @@ public class LocalFileListFragment extends ExtendedListFragment {
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public void onActivityCreated(Bundle savedInstanceState) {
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Log_OC.i(TAG, "onActivityCreated() start");
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super.onCreate(savedInstanceState);
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super.onActivityCreated(savedInstanceState);
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mAdapter = new LocalFileListAdapter(mContainerActivity.getInitialDirectory(), getActivity());
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setListAdapter(mAdapter);
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@ -111,6 +111,8 @@ public class LocalFileListFragment extends ExtendedListFragment {
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listDirectory(file);
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// notify the click to container Activity
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mContainerActivity.onDirectoryClick(file);
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// save index and top position
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saveIndexAndTopPosition(position);
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} else { /// Click on a file
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ImageView checkBoxV = (ImageView) v.findViewById(R.id.custom_checkbox);
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@ -140,6 +142,9 @@ public class LocalFileListFragment extends ExtendedListFragment {
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parentDir = mDirectory.getParentFile(); // can be null
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}
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listDirectory(parentDir);
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// restore index and top position
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restoreIndexAndTopPosition();
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}
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@ -1,5 +1,4 @@
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/* ownCloud Android client application
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* Copyright (C) 2011 Bartek Przybylski
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* Copyright (C) 2012-2014 ownCloud Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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@ -15,10 +14,10 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.owncloud.android.ui.fragment;
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import java.io.File;
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import java.util.ArrayList;
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import android.app.Activity;
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import android.os.Bundle;
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@ -32,35 +31,23 @@ import com.owncloud.android.ui.adapter.FolderListListAdapter;
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import com.owncloud.android.utils.Log_OC;
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/**
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* A Fragment that lists all folders in a given path.
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* A Fragment that shows all the folders in a given path, and allows browsing through them.
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*
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* TODO refactorize to get rid of direct dependency on MoveActivity
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*
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*/
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public class MoveFileListFragment extends ExtendedListFragment {
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private static final String TAG = MoveFileListFragment.class.getSimpleName();
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private static final String MY_PACKAGE = MoveFileListFragment.class.getPackage() != null ? MoveFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
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private static final String MY_PACKAGE = MoveFileListFragment.class.getPackage() != null ?
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MoveFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
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private static final String EXTRA_FILE = MY_PACKAGE + ".extra.FILE";
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private static final String KEY_INDEXES = "INDEXES";
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private static final String KEY_FIRST_POSITIONS= "FIRST_POSITIONS";
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private static final String KEY_TOPS = "TOPS";
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private static final String KEY_HEIGHT_CELL = "HEIGHT_CELL";
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private static final String KEY_EMPTY_LIST_MESSAGE = "EMPTY_LIST_MESSAGE";
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private FileFragment.ContainerActivity mContainerActivity;
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private OCFile mFile = null;
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private FolderListListAdapter mAdapter;
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// Save the state of the scroll in browsing
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private ArrayList<Integer> mIndexes;
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private ArrayList<Integer> mFirstPositions;
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private ArrayList<Integer> mTops;
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private int mHeightCell = 0;
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/**
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* {@inheritDoc}
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@ -92,32 +79,18 @@ public class MoveFileListFragment extends ExtendedListFragment {
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super.onActivityCreated(savedInstanceState);
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Log_OC.e(TAG, "onActivityCreated() start");
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mAdapter = new FolderListListAdapter(getSherlockActivity(), mContainerActivity);
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if (savedInstanceState != null) {
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mFile = savedInstanceState.getParcelable(EXTRA_FILE);
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mIndexes = savedInstanceState.getIntegerArrayList(KEY_INDEXES);
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mFirstPositions = savedInstanceState.getIntegerArrayList(KEY_FIRST_POSITIONS);
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mTops = savedInstanceState.getIntegerArrayList(KEY_TOPS);
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mHeightCell = savedInstanceState.getInt(KEY_HEIGHT_CELL);
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setMessageForEmptyList(savedInstanceState.getString(KEY_EMPTY_LIST_MESSAGE));
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} else {
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mIndexes = new ArrayList<Integer>();
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mFirstPositions = new ArrayList<Integer>();
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mTops = new ArrayList<Integer>();
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mHeightCell = 0;
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}
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mAdapter = new FolderListListAdapter(getSherlockActivity(), mContainerActivity);
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setListAdapter(mAdapter);
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registerForContextMenu(getListView());
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getListView().setOnCreateContextMenuListener(this);
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}
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/**
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* Saves the current listed folder.
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*/
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@ -125,18 +98,13 @@ public class MoveFileListFragment extends ExtendedListFragment {
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public void onSaveInstanceState (Bundle outState) {
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super.onSaveInstanceState(outState);
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outState.putParcelable(EXTRA_FILE, mFile);
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outState.putIntegerArrayList(KEY_INDEXES, mIndexes);
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outState.putIntegerArrayList(KEY_FIRST_POSITIONS, mFirstPositions);
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outState.putIntegerArrayList(KEY_TOPS, mTops);
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outState.putInt(KEY_HEIGHT_CELL, mHeightCell);
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outState.putString(KEY_EMPTY_LIST_MESSAGE, getEmptyViewText());
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}
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/**
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* Call this, when the user presses the up button.
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*
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* Tries to move up the current folder one level. If the parent folder was removed from the database,
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* it continues browsing up until finding an existing folders.
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* Tries to move up the current folder one level. If the parent folder was removed from the
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* database, it continues browsing up until finding an existing folders.
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*
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* return Count of folder levels browsed up.
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*/
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@ -150,22 +118,22 @@ public class MoveFileListFragment extends ExtendedListFragment {
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String parentPath = null;
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if (mFile.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
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parentPath = new File(mFile.getRemotePath()).getParent();
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parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
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parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
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parentPath + OCFile.PATH_SEPARATOR;
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parentDir = storageManager.getFileByPath(parentPath);
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moveCount++;
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} else {
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parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH); // never returns null; keep the path in root folder
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parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);
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}
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while (parentDir == null) {
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parentPath = new File(parentPath).getParent();
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parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
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parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
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parentPath + OCFile.PATH_SEPARATOR;
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parentDir = storageManager.getFileByPath(parentPath);
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moveCount++;
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} // exit is granted because storageManager.getFileByPath("/") never returns null
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mFile = parentDir;
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}
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if (mFile != null) {
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listDirectory(mFile);
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((MoveActivity)mContainerActivity).startSyncFolderOperation(mFile);
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@ -178,58 +146,6 @@ public class MoveFileListFragment extends ExtendedListFragment {
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return moveCount;
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}
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/*
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* Restore index and position
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*/
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private void restoreIndexAndTopPosition() {
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if (mIndexes.size() > 0) {
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// needs to be checked; not every browse-up had a browse-down before
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int index = mIndexes.remove(mIndexes.size() - 1);
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int firstPosition = mFirstPositions.remove(mFirstPositions.size() -1);
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int top = mTops.remove(mTops.size() - 1);
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mList.setSelectionFromTop(firstPosition, top);
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// Move the scroll if the selection is not visible
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int indexPosition = mHeightCell*index;
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int height = mList.getHeight();
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if (indexPosition > height) {
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if (android.os.Build.VERSION.SDK_INT >= 11)
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{
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mList.smoothScrollToPosition(index);
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}
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else if (android.os.Build.VERSION.SDK_INT >= 8)
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{
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mList.setSelectionFromTop(index, 0);
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}
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}
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}
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}
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/*
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* Save index and top position
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*/
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private void saveIndexAndTopPosition(int index) {
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mIndexes.add(index);
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int firstPosition = mList.getFirstVisiblePosition();
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mFirstPositions.add(firstPosition);
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View view = mList.getChildAt(0);
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int top = (view == null) ? 0 : view.getTop() ;
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mTops.add(top);
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// Save the height of a cell
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mHeightCell = (view == null || mHeightCell != 0) ? mHeightCell : view.getHeight();
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}
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@Override
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public void onItemClick(AdapterView<?> l, View v, int position, long id) {
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OCFile file = (OCFile) mAdapter.getItem(position);
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@ -237,7 +153,7 @@ public class MoveFileListFragment extends ExtendedListFragment {
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if (file.isFolder()) {
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// update state and view of this fragment
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listDirectory(file);
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// then, notify parent activity to let it update its state and view, and other fragments
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// then, notify parent activity to let it update its state and view
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mContainerActivity.onBrowsedDownTo(file);
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// save index and top position
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saveIndexAndTopPosition(position);
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@ -18,7 +18,6 @@
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package com.owncloud.android.ui.fragment;
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import java.io.File;
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import java.util.ArrayList;
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import android.app.Activity;
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import android.content.Intent;
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@ -57,15 +56,10 @@ public class OCFileListFragment extends ExtendedListFragment {
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private static final String TAG = OCFileListFragment.class.getSimpleName();
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private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ? OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
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private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ?
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OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
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private static final String EXTRA_FILE = MY_PACKAGE + ".extra.FILE";
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private static final String KEY_INDEXES = "INDEXES";
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private static final String KEY_FIRST_POSITIONS= "FIRST_POSITIONS";
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private static final String KEY_TOPS = "TOPS";
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private static final String KEY_HEIGHT_CELL = "HEIGHT_CELL";
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private static final String KEY_EMPTY_LIST_MESSAGE = "EMPTY_LIST_MESSAGE";
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private FileFragment.ContainerActivity mContainerActivity;
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private OCFile mFile = null;
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@ -73,13 +67,6 @@ public class OCFileListFragment extends ExtendedListFragment {
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private OCFile mTargetFile;
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// Save the state of the scroll in browsing
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private ArrayList<Integer> mIndexes;
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private ArrayList<Integer> mFirstPositions;
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private ArrayList<Integer> mTops;
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private int mHeightCell = 0;
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/**
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* {@inheritDoc}
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*/
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@ -110,26 +97,11 @@ public class OCFileListFragment extends ExtendedListFragment {
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super.onActivityCreated(savedInstanceState);
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Log_OC.e(TAG, "onActivityCreated() start");
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mAdapter = new FileListListAdapter(getSherlockActivity(), mContainerActivity);
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if (savedInstanceState != null) {
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mFile = savedInstanceState.getParcelable(EXTRA_FILE);
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mIndexes = savedInstanceState.getIntegerArrayList(KEY_INDEXES);
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mFirstPositions = savedInstanceState.getIntegerArrayList(KEY_FIRST_POSITIONS);
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mTops = savedInstanceState.getIntegerArrayList(KEY_TOPS);
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mHeightCell = savedInstanceState.getInt(KEY_HEIGHT_CELL);
|
||||
setMessageForEmptyList(savedInstanceState.getString(KEY_EMPTY_LIST_MESSAGE));
|
||||
|
||||
} else {
|
||||
mIndexes = new ArrayList<Integer>();
|
||||
mFirstPositions = new ArrayList<Integer>();
|
||||
mTops = new ArrayList<Integer>();
|
||||
mHeightCell = 0;
|
||||
|
||||
}
|
||||
|
||||
mAdapter = new FileListListAdapter(getSherlockActivity(), mContainerActivity);
|
||||
|
||||
setListAdapter(mAdapter);
|
||||
|
||||
registerForContextMenu(getListView());
|
||||
|
|
@ -143,18 +115,13 @@ public class OCFileListFragment extends ExtendedListFragment {
|
|||
public void onSaveInstanceState (Bundle outState) {
|
||||
super.onSaveInstanceState(outState);
|
||||
outState.putParcelable(EXTRA_FILE, mFile);
|
||||
outState.putIntegerArrayList(KEY_INDEXES, mIndexes);
|
||||
outState.putIntegerArrayList(KEY_FIRST_POSITIONS, mFirstPositions);
|
||||
outState.putIntegerArrayList(KEY_TOPS, mTops);
|
||||
outState.putInt(KEY_HEIGHT_CELL, mHeightCell);
|
||||
outState.putString(KEY_EMPTY_LIST_MESSAGE, getEmptyViewText());
|
||||
}
|
||||
|
||||
/**
|
||||
* Call this, when the user presses the up button.
|
||||
*
|
||||
* Tries to move up the current folder one level. If the parent folder was removed from the database,
|
||||
* it continues browsing up until finding an existing folders.
|
||||
* Tries to move up the current folder one level. If the parent folder was removed from the
|
||||
* database, it continues browsing up until finding an existing folders.
|
||||
*
|
||||
* return Count of folder levels browsed up.
|
||||
*/
|
||||
|
|
@ -168,22 +135,22 @@ public class OCFileListFragment extends ExtendedListFragment {
|
|||
String parentPath = null;
|
||||
if (mFile.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
|
||||
parentPath = new File(mFile.getRemotePath()).getParent();
|
||||
parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
|
||||
parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
|
||||
parentPath + OCFile.PATH_SEPARATOR;
|
||||
parentDir = storageManager.getFileByPath(parentPath);
|
||||
moveCount++;
|
||||
} else {
|
||||
parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH); // never returns null; keep the path in root folder
|
||||
parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);
|
||||
}
|
||||
while (parentDir == null) {
|
||||
parentPath = new File(parentPath).getParent();
|
||||
parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
|
||||
parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
|
||||
parentPath + OCFile.PATH_SEPARATOR;
|
||||
parentDir = storageManager.getFileByPath(parentPath);
|
||||
moveCount++;
|
||||
} // exit is granted because storageManager.getFileByPath("/") never returns null
|
||||
mFile = parentDir;
|
||||
}
|
||||
|
||||
if (mFile != null) {
|
||||
listDirectory(mFile);
|
||||
|
||||
((FileDisplayActivity)mContainerActivity).startSyncFolderOperation(mFile);
|
||||
|
|
@ -196,58 +163,6 @@ public class OCFileListFragment extends ExtendedListFragment {
|
|||
return moveCount;
|
||||
}
|
||||
|
||||
/*
|
||||
* Restore index and position
|
||||
*/
|
||||
private void restoreIndexAndTopPosition() {
|
||||
if (mIndexes.size() > 0) {
|
||||
// needs to be checked; not every browse-up had a browse-down before
|
||||
|
||||
int index = mIndexes.remove(mIndexes.size() - 1);
|
||||
|
||||
int firstPosition = mFirstPositions.remove(mFirstPositions.size() -1);
|
||||
|
||||
int top = mTops.remove(mTops.size() - 1);
|
||||
|
||||
mList.setSelectionFromTop(firstPosition, top);
|
||||
|
||||
// Move the scroll if the selection is not visible
|
||||
int indexPosition = mHeightCell*index;
|
||||
int height = mList.getHeight();
|
||||
|
||||
if (indexPosition > height) {
|
||||
if (android.os.Build.VERSION.SDK_INT >= 11)
|
||||
{
|
||||
mList.smoothScrollToPosition(index);
|
||||
}
|
||||
else if (android.os.Build.VERSION.SDK_INT >= 8)
|
||||
{
|
||||
mList.setSelectionFromTop(index, 0);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Save index and top position
|
||||
*/
|
||||
private void saveIndexAndTopPosition(int index) {
|
||||
|
||||
mIndexes.add(index);
|
||||
|
||||
int firstPosition = mList.getFirstVisiblePosition();
|
||||
mFirstPositions.add(firstPosition);
|
||||
|
||||
View view = mList.getChildAt(0);
|
||||
int top = (view == null) ? 0 : view.getTop() ;
|
||||
|
||||
mTops.add(top);
|
||||
|
||||
// Save the height of a cell
|
||||
mHeightCell = (view == null || mHeightCell != 0) ? mHeightCell : view.getHeight();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onItemClick(AdapterView<?> l, View v, int position, long id) {
|
||||
OCFile file = (OCFile) mAdapter.getItem(position);
|
||||
|
|
@ -255,7 +170,7 @@ public class OCFileListFragment extends ExtendedListFragment {
|
|||
if (file.isFolder()) {
|
||||
// update state and view of this fragment
|
||||
listDirectory(file);
|
||||
// then, notify parent activity to let it update its state and view, and other fragments
|
||||
// then, notify parent activity to let it update its state and view
|
||||
mContainerActivity.onBrowsedDownTo(file);
|
||||
// save index and top position
|
||||
saveIndexAndTopPosition(position);
|
||||
|
|
@ -290,7 +205,8 @@ public class OCFileListFragment extends ExtendedListFragment {
|
|||
* {@inheritDoc}
|
||||
*/
|
||||
@Override
|
||||
public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
|
||||
public void onCreateContextMenu (
|
||||
ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
|
||||
super.onCreateContextMenu(menu, v, menuInfo);
|
||||
MenuInflater inflater = getSherlockActivity().getMenuInflater();
|
||||
inflater.inflate(R.menu.file_actions_menu, menu);
|
||||
|
|
|
|||
Loading…
Reference in a new issue