summaryrefslogtreecommitdiffstats
path: root/src/com/android/photos/MultiSelectGridFragment.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/com/android/photos/MultiSelectGridFragment.java')
-rw-r--r--src/com/android/photos/MultiSelectGridFragment.java348
1 files changed, 0 insertions, 348 deletions
diff --git a/src/com/android/photos/MultiSelectGridFragment.java b/src/com/android/photos/MultiSelectGridFragment.java
deleted file mode 100644
index dda9fe443..000000000
--- a/src/com/android/photos/MultiSelectGridFragment.java
+++ /dev/null
@@ -1,348 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * 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.android.photos;
-
-import android.app.Activity;
-import android.app.Fragment;
-import android.os.Bundle;
-import android.os.Handler;
-import android.util.SparseBooleanArray;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.animation.AnimationUtils;
-import android.widget.AdapterView;
-import android.widget.GridView;
-import android.widget.ListAdapter;
-import android.widget.TextView;
-
-import com.android.gallery3d.R;
-
-public abstract class MultiSelectGridFragment extends Fragment
- implements MultiChoiceManager.Delegate, AdapterView.OnItemClickListener {
-
- final private Handler mHandler = new Handler();
-
- final private Runnable mRequestFocus = new Runnable() {
- @Override
- public void run() {
- mGrid.focusableViewAvailable(mGrid);
- }
- };
-
- ListAdapter mAdapter;
- GridView mGrid;
- TextView mEmptyView;
- View mProgressContainer;
- View mGridContainer;
- CharSequence mEmptyText;
- boolean mGridShown;
- MultiChoiceManager.Provider mHost;
-
- public MultiSelectGridFragment() {
- }
-
- /**
- * Provide default implementation to return a simple grid view. Subclasses
- * can override to replace with their own layout. If doing so, the returned
- * view hierarchy <em>must</em> have a GridView whose id is
- * {@link android.R.id#grid android.R.id.list} and can optionally have a
- * sibling text view id {@link android.R.id#empty android.R.id.empty} that
- * is to be shown when the grid is empty.
- */
- @Override
- public View onCreateView(LayoutInflater inflater, ViewGroup container,
- Bundle savedInstanceState) {
- return inflater.inflate(R.layout.multigrid_content, container, false);
- }
-
- @Override
- public void onAttach(Activity activity) {
- super.onAttach(activity);
- mHost = (MultiChoiceManager.Provider) activity;
- if (mGrid != null) {
- mGrid.setMultiChoiceModeListener(mHost.getMultiChoiceManager());
- }
- }
-
- @Override
- public void onDetach() {
- super.onDetach();
- mHost = null;
- }
-
- /**
- * Attach to grid view once the view hierarchy has been created.
- */
- @Override
- public void onViewCreated(View view, Bundle savedInstanceState) {
- super.onViewCreated(view, savedInstanceState);
- ensureGrid();
- }
-
- /**
- * Detach from grid view.
- */
- @Override
- public void onDestroyView() {
- mHandler.removeCallbacks(mRequestFocus);
- mGrid = null;
- mGridShown = false;
- mEmptyView = null;
- mProgressContainer = mGridContainer = null;
- super.onDestroyView();
- }
-
- /**
- * This method will be called when an item in the grid is selected.
- * Subclasses should override. Subclasses can call
- * getGridView().getItemAtPosition(position) if they need to access the data
- * associated with the selected item.
- *
- * @param g The GridView where the click happened
- * @param v The view that was clicked within the GridView
- * @param position The position of the view in the grid
- * @param id The id of the item that was clicked
- */
- public void onGridItemClick(GridView g, View v, int position, long id) {
- }
-
- /**
- * Provide the cursor for the grid view.
- */
- public void setAdapter(ListAdapter adapter) {
- boolean hadAdapter = mAdapter != null;
- mAdapter = adapter;
- if (mGrid != null) {
- mGrid.setAdapter(adapter);
- if (!mGridShown && !hadAdapter) {
- // The grid was hidden, and previously didn't have an
- // adapter. It is now time to show it.
- setGridShown(true, getView().getWindowToken() != null);
- }
- }
- }
-
- /**
- * Set the currently selected grid item to the specified position with the
- * adapter's data
- *
- * @param position
- */
- public void setSelection(int position) {
- ensureGrid();
- mGrid.setSelection(position);
- }
-
- /**
- * Get the position of the currently selected grid item.
- */
- public int getSelectedItemPosition() {
- ensureGrid();
- return mGrid.getSelectedItemPosition();
- }
-
- /**
- * Get the cursor row ID of the currently selected grid item.
- */
- public long getSelectedItemId() {
- ensureGrid();
- return mGrid.getSelectedItemId();
- }
-
- /**
- * Get the activity's grid view widget.
- */
- public GridView getGridView() {
- ensureGrid();
- return mGrid;
- }
-
- /**
- * The default content for a MultiSelectGridFragment has a TextView that can
- * be shown when the grid is empty. If you would like to have it shown, call
- * this method to supply the text it should use.
- */
- public void setEmptyText(CharSequence text) {
- ensureGrid();
- if (mEmptyView == null) {
- return;
- }
- mEmptyView.setText(text);
- if (mEmptyText == null) {
- mGrid.setEmptyView(mEmptyView);
- }
- mEmptyText = text;
- }
-
- /**
- * Control whether the grid is being displayed. You can make it not
- * displayed if you are waiting for the initial data to show in it. During
- * this time an indeterminate progress indicator will be shown instead.
- * <p>
- * Applications do not normally need to use this themselves. The default
- * behavior of MultiSelectGridFragment is to start with the grid not being
- * shown, only showing it once an adapter is given with
- * {@link #setAdapter(ListAdapter)}. If the grid at that point had not been
- * shown, when it does get shown it will be do without the user ever seeing
- * the hidden state.
- *
- * @param shown If true, the grid view is shown; if false, the progress
- * indicator. The initial value is true.
- */
- public void setGridShown(boolean shown) {
- setGridShown(shown, true);
- }
-
- /**
- * Like {@link #setGridShown(boolean)}, but no animation is used when
- * transitioning from the previous state.
- */
- public void setGridShownNoAnimation(boolean shown) {
- setGridShown(shown, false);
- }
-
- /**
- * Control whether the grid is being displayed. You can make it not
- * displayed if you are waiting for the initial data to show in it. During
- * this time an indeterminate progress indicator will be shown instead.
- *
- * @param shown If true, the grid view is shown; if false, the progress
- * indicator. The initial value is true.
- * @param animate If true, an animation will be used to transition to the
- * new state.
- */
- private void setGridShown(boolean shown, boolean animate) {
- ensureGrid();
- if (mProgressContainer == null) {
- throw new IllegalStateException("Can't be used with a custom content view");
- }
- if (mGridShown == shown) {
- return;
- }
- mGridShown = shown;
- if (shown) {
- if (animate) {
- mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
- getActivity(), android.R.anim.fade_out));
- mGridContainer.startAnimation(AnimationUtils.loadAnimation(
- getActivity(), android.R.anim.fade_in));
- } else {
- mProgressContainer.clearAnimation();
- mGridContainer.clearAnimation();
- }
- mProgressContainer.setVisibility(View.GONE);
- mGridContainer.setVisibility(View.VISIBLE);
- } else {
- if (animate) {
- mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
- getActivity(), android.R.anim.fade_in));
- mGridContainer.startAnimation(AnimationUtils.loadAnimation(
- getActivity(), android.R.anim.fade_out));
- } else {
- mProgressContainer.clearAnimation();
- mGridContainer.clearAnimation();
- }
- mProgressContainer.setVisibility(View.VISIBLE);
- mGridContainer.setVisibility(View.GONE);
- }
- }
-
- /**
- * Get the ListAdapter associated with this activity's GridView.
- */
- public ListAdapter getAdapter() {
- return mGrid.getAdapter();
- }
-
- private void ensureGrid() {
- if (mGrid != null) {
- return;
- }
- View root = getView();
- if (root == null) {
- throw new IllegalStateException("Content view not yet created");
- }
- if (root instanceof GridView) {
- mGrid = (GridView) root;
- } else {
- View empty = root.findViewById(android.R.id.empty);
- if (empty != null && empty instanceof TextView) {
- mEmptyView = (TextView) empty;
- }
- mProgressContainer = root.findViewById(R.id.progressContainer);
- mGridContainer = root.findViewById(R.id.gridContainer);
- View rawGridView = root.findViewById(android.R.id.list);
- if (!(rawGridView instanceof GridView)) {
- throw new RuntimeException(
- "Content has view with id attribute 'android.R.id.list' "
- + "that is not a GridView class");
- }
- mGrid = (GridView) rawGridView;
- if (mGrid == null) {
- throw new RuntimeException(
- "Your content must have a GridView whose id attribute is " +
- "'android.R.id.list'");
- }
- if (mEmptyView != null) {
- mGrid.setEmptyView(mEmptyView);
- }
- }
- mGridShown = true;
- mGrid.setOnItemClickListener(this);
- mGrid.setMultiChoiceModeListener(mHost.getMultiChoiceManager());
- if (mAdapter != null) {
- ListAdapter adapter = mAdapter;
- mAdapter = null;
- setAdapter(adapter);
- } else {
- // We are starting without an adapter, so assume we won't
- // have our data right away and start with the progress indicator.
- if (mProgressContainer != null) {
- setGridShown(false, false);
- }
- }
- mHandler.post(mRequestFocus);
- }
-
- @Override
- public Object getItemAtPosition(int position) {
- return getAdapter().getItem(position);
- }
-
- @Override
- public Object getPathForItemAtPosition(int position) {
- return getPathForItem(getItemAtPosition(position));
- }
-
- @Override
- public SparseBooleanArray getSelectedItemPositions() {
- return mGrid.getCheckedItemPositions();
- }
-
- @Override
- public int getSelectedItemCount() {
- return mGrid.getCheckedItemCount();
- }
-
- public abstract Object getPathForItem(Object item);
-
- @Override
- public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
- onGridItemClick((GridView) parent, v, position, id);
- }
-}