mirror of https://github.com/tasks/tasks
Added a file browser to select and attach files from the sdcard. Minor code cleanup and polish
Sam Bosley
12 years ago
parent
3f97682595
commit
a45ffb0c79
@ -0,0 +1,218 @@
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package com.todoroo.astrid.files;
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import java.io.File;
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import java.io.FilenameFilter;
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import java.util.ArrayList;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.AlertDialog.Builder;
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import android.app.Dialog;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.Environment;
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import android.util.Log;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ArrayAdapter;
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import android.widget.ListAdapter;
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import android.widget.TextView;
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import com.timsu.astrid.R;
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import com.todoroo.andlib.utility.DialogUtilities;
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/**
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* Based on the Android-File-Explore project by Manish Burman
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* https://github.com/mburman/Android-File-Explore
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*
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*/
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public class FileExplore extends Activity {
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// Stores names of traversed directories
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ArrayList<String> str = new ArrayList<String>();
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// Check if the first level of the directory structure is the one showing
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private Boolean firstLvl = true;
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private static final String TAG = "F_PATH"; //$NON-NLS-1$
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public static final String EXTRA_FILE_SELECTED = "fileSelected"; //$NON-NLS-1$
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private Item[] fileList;
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private File path = new File(Environment.getExternalStorageDirectory().toString());
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private String chosenFile;
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private static final int DIALOG_LOAD_FILE = 1000;
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private String upString;
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ListAdapter adapter;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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loadFileList();
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showDialog(DIALOG_LOAD_FILE);
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upString = getString(R.string.file_browser_up);
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Log.d(TAG, path.getAbsolutePath());
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}
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private void loadFileList() {
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try {
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path.mkdirs();
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} catch (SecurityException e) {
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DialogUtilities.okDialog(this, getString(R.string.file_browser_err_permissions), new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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finish();
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}
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});
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}
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// Checks whether path exists
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if (path.exists()) {
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FilenameFilter filter = new FilenameFilter() {
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@Override
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public boolean accept(File dir, String filename) {
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File sel = new File(dir, filename);
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// Filters based on whether the file is hidden or not
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return (sel.isFile() || sel.isDirectory())
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&& !sel.isHidden();
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}
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};
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String[] fList = path.list(filter);
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fileList = new Item[fList.length];
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for (int i = 0; i < fList.length; i++) {
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fileList[i] = new Item(fList[i], R.drawable.file_icon);
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// Convert into file path
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File sel = new File(path, fList[i]);
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// Set drawables
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if (sel.isDirectory()) {
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fileList[i].icon = R.drawable.directory_icon;
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}
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}
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if (!firstLvl) {
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Item temp[] = new Item[fileList.length + 1];
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for (int i = 0; i < fileList.length; i++) {
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temp[i + 1] = fileList[i];
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}
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temp[0] = new Item(upString, R.drawable.directory_up);
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fileList = temp;
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}
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} else {
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Log.e(TAG, "path does not exist"); //$NON-NLS-1$
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}
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adapter = new ArrayAdapter<Item>(this,
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android.R.layout.select_dialog_item, android.R.id.text1,
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fileList) {
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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// creates view
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View view = super.getView(position, convertView, parent);
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TextView textView = (TextView) view
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.findViewById(android.R.id.text1);
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// put the image on the text view
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textView.setCompoundDrawablesWithIntrinsicBounds(
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fileList[position].icon, 0, 0, 0);
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// add margin between image and text (support various screen
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// densities)
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int dp5 = (int) (5 * getResources().getDisplayMetrics().density + 0.5f);
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textView.setCompoundDrawablePadding(dp5);
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return view;
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}
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};
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}
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private class Item {
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public String file;
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public int icon;
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public Item(String file, Integer icon) {
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this.file = file;
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this.icon = icon;
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}
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@Override
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public String toString() {
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return file;
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}
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}
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@Override
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protected Dialog onCreateDialog(int id) {
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Dialog dialog = null;
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AlertDialog.Builder builder = new Builder(this);
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if (fileList == null) {
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dialog = builder.create();
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return dialog;
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}
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switch (id) {
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case DIALOG_LOAD_FILE:
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builder.setTitle(getString(R.string.file_browser_title));
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builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface d, int which) {
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chosenFile = fileList[which].file;
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File sel = new File(path + File.separator + chosenFile);
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if (sel.isDirectory()) {
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firstLvl = false;
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// Adds chosen directory to list
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str.add(chosenFile);
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fileList = null;
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path = new File(sel.toString());
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loadFileList();
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removeDialog(DIALOG_LOAD_FILE);
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showDialog(DIALOG_LOAD_FILE);
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} else if (chosenFile.equals(upString) && !sel.exists()) { // Checks if 'up' was clicked
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// present directory removed from list
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String s = str.remove(str.size() - 1);
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// path modified to exclude present directory
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path = new File(path.toString().substring(0,
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path.toString().lastIndexOf(s)));
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fileList = null;
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// if there are no more directories in the list, then
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// its the first level
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if (str.isEmpty()) {
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firstLvl = true;
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}
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loadFileList();
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removeDialog(DIALOG_LOAD_FILE);
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showDialog(DIALOG_LOAD_FILE);
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} else {
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Intent result = new Intent();
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result.putExtra(EXTRA_FILE_SELECTED, sel.getAbsolutePath());
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setResult(RESULT_OK, result);
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removeDialog(DIALOG_LOAD_FILE);
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finish();
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}
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}
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});
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break;
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}
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dialog = builder.show();
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return dialog;
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}
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}
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