/*
* Copyright (C) 2008 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.numix.calculator;
import java.util.Vector;
import android.content.Context;
import android.text.Html;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import com.numix.calculator.view.HistoryLine;
class HistoryAdapter extends BaseAdapter {
private final Vector<HistoryEntry> mEntries;
private final LayoutInflater mInflater;
private final EquationFormatter mEquationFormatter;
private final History mHistory;
HistoryAdapter(Context context, History history) {
mEntries = history.mEntries;
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mEquationFormatter = new EquationFormatter();
mHistory = history;
}
@Override
public int getCount() {
return mEntries.size() - 1;
}
@Override
public Object getItem(int position) {
return mEntries.elementAt(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
HistoryLine view;
if(convertView == null) {
view = (HistoryLine) mInflater.inflate(R.layout.history_entry, parent, false);
}
else {
view = (HistoryLine) convertView;
}
TextView expr = (TextView) view.findViewById(R.id.historyExpr);
TextView result = (TextView) view.findViewById(R.id.historyResult);
HistoryEntry entry = mEntries.elementAt(position);
expr.setText(Html.fromHtml(mEquationFormatter.insertSupscripts(entry.getBase())));
result.setText(entry.getEdited());
view.setHistoryEntry(entry);
view.setHistory(mHistory);
view.setAdapter(this);
return view;
}
}