diff options
| -rw-r--r-- | OpenPGP-Keychain/src/org/sufficientlysecure/keychain/util/SectionCursorAdapter.java | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/util/SectionCursorAdapter.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/util/SectionCursorAdapter.java deleted file mode 100644 index 0d4092d9e..000000000 --- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/util/SectionCursorAdapter.java +++ /dev/null @@ -1,266 +0,0 @@ -/* - * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de> - * Copyright (C) 2011 Gonçalo Ferreira - * - * 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 org.sufficientlysecure.keychain.util; - -import java.util.LinkedHashMap; - -import android.content.Context; -import android.database.Cursor; -import android.database.DataSetObserver; -import android.support.v4.widget.CursorAdapter; -import android.util.Log; -import android.view.LayoutInflater; -import android.view.View; -import android.view.ViewGroup; -import android.widget.TextView; - -/** - * Originally from https://github.com/monxalo/android-section-adapter - * - * getCustomGroup() has been modified - */ -public abstract class SectionCursorAdapter extends CursorAdapter { - - private static final String TAG = "SectionCursorAdapter"; - private static final boolean LOGV = false; - - private static final int TYPE_NORMAL = 1; - private static final int TYPE_HEADER = 0; - private static final int TYPE_COUNT = 2; - - private final int mHeaderRes; - private final int mGroupColumn; - private final LayoutInflater mLayoutInflater; - - private LinkedHashMap<Integer, String> sectionsIndexer; - - public static class ViewHolder { - public TextView textView; - } - - public SectionCursorAdapter(Context context, Cursor c, int headerLayout, int groupColumn) { - super(context, c, 0); - - sectionsIndexer = new LinkedHashMap<Integer, String>(); - - mHeaderRes = headerLayout; - mGroupColumn = groupColumn; - mLayoutInflater = LayoutInflater.from(context); - - if (c != null) { - calculateSectionHeaders(); - c.registerDataSetObserver(mDataSetObserver); - } - } - - private DataSetObserver mDataSetObserver = new DataSetObserver() { - public void onChanged() { - calculateSectionHeaders(); - }; - - public void onInvalidated() { - sectionsIndexer.clear(); - }; - }; - - /** - * <p> - * This method serve as an intercepter before the sections are calculated so you can transform - * some computer data into human readable, e.g. format a unix timestamp, or a status. - * </p> - * - * <p> - * By default this method returns the original data for the group column. - * </p> - * - * @param groupData - * @return - */ - protected String getCustomGroup(String groupData) { - return groupData.substring(0, 1); - } - - private void calculateSectionHeaders() { - int i = 0; - - String previous = ""; - int count = 0; - - final Cursor c = getCursor(); - - sectionsIndexer.clear(); - - if (c == null) { - return; - } - - c.moveToPosition(-1); - - while (c.moveToNext()) { - final String group = getCustomGroup(c.getString(mGroupColumn)); - - if (!previous.equals(group)) { - sectionsIndexer.put(i + count, group); - previous = group; - - if (LOGV) - Log.v(TAG, "Group " + group + "at position: " + (i + count)); - - count++; - } - - i++; - } - } - - public String getGroupCustomFormat(Object obj) { - return null; - } - - @Override - public View getView(int position, View convertView, ViewGroup parent) { - int viewType = getItemViewType(position); - - if (viewType == TYPE_NORMAL) { - Cursor c = (Cursor) getItem(position); - - if (c == null) { - if (LOGV) - Log.d(TAG, "getItem(" + position + ") = null"); - return mLayoutInflater.inflate(mHeaderRes, parent, false); - } - - final int mapCursorPos = getSectionForPosition(position); - c.moveToPosition(mapCursorPos); - - return super.getView(mapCursorPos, convertView, parent); - } else { - ViewHolder holder = null; - - if (convertView == null) { - if (LOGV) - Log.v(TAG, "Creating new view for section"); - - holder = new ViewHolder(); - convertView = mLayoutInflater.inflate(mHeaderRes, parent, false); - holder.textView = (TextView) convertView; - - convertView.setTag(holder); - } else { - if (LOGV) - Log.v(TAG, "Reusing view for section"); - - holder = (ViewHolder) convertView.getTag(); - } - - TextView sectionText = holder.textView; - - final String group = sectionsIndexer.get(position); - final String customFormat = getGroupCustomFormat(group); - - sectionText.setText(customFormat == null ? group : customFormat); - - return sectionText; - } - } - - @Override - public int getViewTypeCount() { - return TYPE_COUNT; - } - - @Override - public int getCount() { - return super.getCount() + sectionsIndexer.size(); - } - - @Override - public boolean isEnabled(int position) { - return getItemViewType(position) == TYPE_NORMAL; - } - - public int getPositionForSection(int section) { - if (sectionsIndexer.containsKey(section)) { - return section + 1; - } - return section; - } - - public int getSectionForPosition(int position) { - int offset = 0; - for (Integer key : sectionsIndexer.keySet()) { - if (position > key) { - offset++; - } else { - break; - } - } - - return position - offset; - } - - @Override - public Object getItem(int position) { - if (getItemViewType(position) == TYPE_NORMAL) { - return super.getItem(getSectionForPosition(position)); - } - return super.getItem(position); - } - - @Override - public long getItemId(int position) { - if (getItemViewType(position) == TYPE_NORMAL) { - return super.getItemId(getSectionForPosition(position)); - } - return super.getItemId(position); - } - - @Override - public int getItemViewType(int position) { - if (position == getPositionForSection(position)) { - return TYPE_NORMAL; - } - return TYPE_HEADER; - } - - @Override - public void changeCursor(Cursor cursor) { - final Cursor old = swapCursor(cursor); - - if (old != null) { - old.close(); - } - } - - @Override - public Cursor swapCursor(Cursor newCursor) { - if (getCursor() != null) { - getCursor().unregisterDataSetObserver(mDataSetObserver); - } - - final Cursor oldCursor = super.swapCursor(newCursor); - - calculateSectionHeaders(); - - if (newCursor != null) { - newCursor.registerDataSetObserver(mDataSetObserver); - } - - return oldCursor; - } -}
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