/* * Copyright 2010, 2011, 2012 mapsforge.org * * This program is free software: you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along with * this program. If not, see <http://www.gnu.org/licenses/>. */ package org.mapsforge.applications.android.advancedmapviewer.filepicker; import java.io.File; import org.mapsforge.applications.android.advancedmapviewer.R; import android.content.Context; import android.view.Gravity; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.TextView; /** * An adapter for the FilePicker GridView. */ class FilePickerIconAdapter extends BaseAdapter { private final Context context; private File currentFile; private File[] files; private boolean hasParentFolder; private TextView textView; /** * Creates a new FilePickerIconAdapter with the given context. * * @param context * the context of this adapter, through which new Views are created. */ FilePickerIconAdapter(Context context) { super(); this.context = context; } @Override public int getCount() { if (this.files == null) { return 0; } return this.files.length; } @Override public Object getItem(int index) { return this.files[index]; } @Override public long getItemId(int index) { return index; } @Override public View getView(int index, View convertView, ViewGroup parent) { if (convertView instanceof TextView) { // recycle the old view this.textView = (TextView) convertView; } else { // create a new view object this.textView = new TextView(this.context); this.textView.setLines(2); this.textView.setGravity(Gravity.CENTER_HORIZONTAL); this.textView.setPadding(5, 10, 5, 10); } if (index == 0 && this.hasParentFolder) { // the parent directory of the current folder this.textView.setCompoundDrawablesWithIntrinsicBounds(0, R.drawable.file_picker_back, 0, 0); this.textView.setText(".."); } else { this.currentFile = this.files[index]; if (this.currentFile.isDirectory()) { this.textView.setCompoundDrawablesWithIntrinsicBounds(0, R.drawable.file_picker_folder, 0, 0); } else { this.textView.setCompoundDrawablesWithIntrinsicBounds(0, R.drawable.file_picker_file, 0, 0); } this.textView.setText(this.currentFile.getName()); } return this.textView; } /** * Sets the data of this adapter. * * @param files * the new files for this adapter. * @param newHasParentFolder * true if the file array has a parent folder at index 0, false otherwise. */ void setFiles(File[] files, boolean newHasParentFolder) { this.files = files.clone(); this.hasParentFolder = newHasParentFolder; } }