diff options
Diffstat (limited to 'android/3rd_party/HoloEverywhere/library/src/org/holoeverywhere/app/ListFragment.java')
| -rw-r--r-- | android/3rd_party/HoloEverywhere/library/src/org/holoeverywhere/app/ListFragment.java | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/android/3rd_party/HoloEverywhere/library/src/org/holoeverywhere/app/ListFragment.java b/android/3rd_party/HoloEverywhere/library/src/org/holoeverywhere/app/ListFragment.java new file mode 100644 index 0000000000..15899d22c7 --- /dev/null +++ b/android/3rd_party/HoloEverywhere/library/src/org/holoeverywhere/app/ListFragment.java @@ -0,0 +1,217 @@ + +package org.holoeverywhere.app; + +import org.holoeverywhere.LayoutInflater; +import org.holoeverywhere.R; +import org.holoeverywhere.widget.ListView; + +import android.os.Bundle; +import android.os.Handler; +import android.view.View; +import android.view.ViewGroup; +import android.view.animation.AnimationUtils; +import android.widget.AdapterView; +import android.widget.ListAdapter; +import android.widget.TextView; + +public class ListFragment extends Fragment { + private ListAdapter mAdapter; + private CharSequence mEmptyText; + private View mEmptyView; + final private Handler mHandler = new Handler(); + private ListView mList; + private View mListContainer; + private boolean mListShown; + final private AdapterView.OnItemClickListener mOnClickListener = new AdapterView.OnItemClickListener() { + @Override + public void onItemClick(AdapterView<?> parent, View v, int position, + long id) { + onListItemClick((ListView) parent, v, position, id); + } + }; + private View mProgressContainer; + final private Runnable mRequestFocus = new Runnable() { + @Override + public void run() { + mList.focusableViewAvailable(mList); + } + }; + private TextView mStandardEmptyView; + + private void ensureList() { + if (mList != null) { + return; + } + View root = getView(); + if (root == null) { + throw new IllegalStateException("Content view not yet created"); + } + if (root instanceof ListView) { + mList = (ListView) root; + } else { + mStandardEmptyView = (TextView) root + .findViewById(R.id.internalEmpty); + if (mStandardEmptyView == null) { + mEmptyView = root.findViewById(android.R.id.empty); + } else { + mStandardEmptyView.setVisibility(View.GONE); + } + mProgressContainer = root.findViewById(R.id.progressContainer); + mListContainer = root.findViewById(R.id.listContainer); + View rawListView = root.findViewById(android.R.id.list); + if (!(rawListView instanceof ListView)) { + if (rawListView == null) { + throw new RuntimeException( + "Your content must have a ListView whose id attribute is " + + "'android.R.id.list'"); + } + throw new RuntimeException( + "Content has view with id attribute 'android.R.id.list' " + + "that is not a ListView class"); + } + mList = (ListView) rawListView; + if (mEmptyView != null) { + mList.setEmptyView(mEmptyView); + } else if (mEmptyText != null) { + mStandardEmptyView.setText(mEmptyText); + mList.setEmptyView(mStandardEmptyView); + } + } + mListShown = true; + mList.setOnItemClickListener(mOnClickListener); + if (mAdapter != null) { + ListAdapter adapter = mAdapter; + mAdapter = null; + setListAdapter(adapter); + } else { + if (mProgressContainer != null) { + setListShown(false, false); + } + } + mHandler.post(mRequestFocus); + } + + protected View getEmptyView() { + return mEmptyView; + } + + public ListAdapter getListAdapter() { + return mAdapter; + } + + public ListView getListView() { + ensureList(); + return mList; + } + + public long getSelectedItemId() { + ensureList(); + return mList.getSelectedItemId(); + } + + public int getSelectedItemPosition() { + ensureList(); + return mList.getSelectedItemPosition(); + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, + Bundle savedInstanceState) { + return inflater.inflate(R.layout.list_content, container, false); + } + + @Override + public void onDestroyView() { + mHandler.removeCallbacks(mRequestFocus); + mList = null; + mListShown = false; + mEmptyView = mProgressContainer = mListContainer = null; + mStandardEmptyView = null; + super.onDestroyView(); + } + + public void onListItemClick(ListView l, View v, int position, long id) { + } + + @Override + public void onViewCreated(View view, Bundle savedInstanceState) { + super.onViewCreated(view, savedInstanceState); + ensureList(); + } + + public void setEmptyText(CharSequence text) { + ensureList(); + if (mStandardEmptyView == null) { + throw new IllegalStateException( + "Can't be used with a custom content view"); + } + mStandardEmptyView.setText(text); + if (mEmptyText == null) { + mList.setEmptyView(mStandardEmptyView); + } + mEmptyText = text; + } + + public void setListAdapter(ListAdapter adapter) { + boolean hadAdapter = mAdapter != null; + mAdapter = adapter; + if (mList != null) { + mList.setAdapter(adapter); + if (!mListShown && !hadAdapter) { + // The list was hidden, and previously didn't have an + // adapter. It is now time to show it. + setListShown(true, getView().getWindowToken() != null); + } + } + } + + public void setListShown(boolean shown) { + setListShown(shown, true); + } + + private void setListShown(boolean shown, boolean animate) { + ensureList(); + if (mProgressContainer == null) { + throw new IllegalStateException( + "Can't be used with a custom content view"); + } + if (mListShown == shown) { + return; + } + mListShown = shown; + if (shown) { + if (animate) { + mProgressContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), R.anim.fade_out)); + mListContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), R.anim.fade_in)); + } else { + mProgressContainer.clearAnimation(); + mListContainer.clearAnimation(); + } + mProgressContainer.setVisibility(View.GONE); + mListContainer.setVisibility(View.VISIBLE); + } else { + if (animate) { + mProgressContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), R.anim.fade_in)); + mListContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), R.anim.fade_out)); + } else { + mProgressContainer.clearAnimation(); + mListContainer.clearAnimation(); + } + mProgressContainer.setVisibility(View.VISIBLE); + mListContainer.setVisibility(View.GONE); + } + } + + public void setListShownNoAnimation(boolean shown) { + setListShown(shown, false); + } + + public void setSelection(int position) { + ensureList(); + mList.setSelection(position); + } +} |