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(Android) Add parent directory item to file lists.

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This commit is contained in:
meancoot 2012-12-07 15:46:17 -05:00
parent fc1cf035d7
commit 6eb1f60415
1 changed files with 144 additions and 43 deletions
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187
android/phoenix/src/org/retroarch/browser/DirectoryActivity.java
View File

@ -15,38 +15,47 @@ import android.graphics.drawable.*;
class FileWrapper implements IconAdapterItem
{
public final File file;
public final boolean parentItem;
protected final int typeIndex;
protected final boolean enabled;
public FileWrapper(File aFile, boolean aIsEnabled)
public FileWrapper(File aFile, boolean aIsParentItem, boolean aIsEnabled)
{
file = aFile;
typeIndex = (file.isDirectory() ? 1 : 0) + (file.isFile() ? 2 : 0);
enabled = aIsEnabled;
typeIndex = aIsParentItem ? 0 : (file.isDirectory() ? 1 : 0) + (file.isFile() ? 2 : 0);
parentItem = aIsParentItem;
enabled = aIsParentItem || aIsEnabled;
}
@Override public boolean isEnabled()
{
return enabled;
}
@Override public String getText()
{
return file.getName();
return parentItem ? "[Parent Directory]" : file.getName();
}
@Override public int getIconResourceId()
{
return file.isFile() ? R.drawable.ic_file : R.drawable.ic_dir;
if(!parentItem)
{
return file.isFile() ? R.drawable.ic_file : R.drawable.ic_dir;
}
else
{
return R.drawable.ic_dir;
}
}
@Override public Drawable getIconDrawable()
{
return null;
}
public int compareTo(FileWrapper aOther)
{
{
if(null != aOther)
{
// Who says ternary is hard to follow
@ -59,7 +68,7 @@ class FileWrapper implements IconAdapterItem
return isEnabled() ? -1 : 1;
}
}
return -1;
}
}
@ -67,74 +76,166 @@ class FileWrapper implements IconAdapterItem
public class DirectoryActivity extends Activity implements AdapterView.OnItemClickListener
{
private IconAdapter<FileWrapper> adapter;
private String modulePath;
private File listedDirectory;
public static class BackStackItem implements Parcelable
{
public String path;
public boolean parentIsBack;
public BackStackItem(String aPath, boolean aParentIsBack)
{
path = aPath;
parentIsBack = aParentIsBack;
}
private BackStackItem(Parcel aIn)
{
path = aIn.readString();
parentIsBack = aIn.readInt() != 0;
}
public int describeContents()
{
return 0;
}
public void writeToParcel(Parcel out, int flags)
{
out.writeString(path);
out.writeInt(parentIsBack ? 1 : 0);
}
public static final Parcelable.Creator<BackStackItem> CREATOR = new Parcelable.Creator<BackStackItem>()
{
public BackStackItem createFromParcel(Parcel in) { return new BackStackItem(in); }
public BackStackItem[] newArray(int size) { return new BackStackItem[size]; }
};
}
private ArrayList<BackStackItem> backStack;
@Override public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.line_list);
modulePath = getIntent().getStringExtra("LIBRETRO");
// Setup the list
adapter = new IconAdapter<FileWrapper>(this, R.layout.line_list_item);
ListView list = (ListView)findViewById(R.id.list);
list.setAdapter(adapter);
list.setOnItemClickListener(this);
// Load Directory
String path = getIntent().getStringExtra("ROM");
path = (path == null) ? "/" : path;
wrapFiles(new File(path));
setTitle(path);
if(savedInstanceState != null)
{
backStack = savedInstanceState.getParcelableArrayList("BACKSTACK");
}
if(backStack == null || backStack.size() == 0)
{
backStack = new ArrayList<BackStackItem>();
backStack.add(new BackStackItem(Environment.getExternalStorageDirectory().getPath(), false));
}
wrapFiles();
}
@Override protected void onSaveInstanceState(Bundle aState)
{
super.onSaveInstanceState(aState);
aState.putParcelableArrayList("BACKSTACK", backStack);
}
@Override public void onItemClick(AdapterView<?> aListView, View aView, int aPosition, long aID)
{
final File selected = adapter.getItem(aPosition).file;
final Intent intent = new Intent(this, selected.isFile() ? NativeActivity.class : DirectoryActivity.class)
.putExtra("ROM", selected.getAbsolutePath())
.putExtra("LIBRETRO", modulePath);
final FileWrapper item = adapter.getItem(aPosition);
startActivity(intent);
if(item.parentItem && backStack.get(backStack.size() - 1).parentIsBack)
{
backStack.remove(backStack.size() - 1);
wrapFiles();
return;
}
final File selected = item.parentItem ? listedDirectory.getParentFile() : item.file;
if(selected.isDirectory())
{
backStack.add(new BackStackItem(selected.getAbsolutePath(), !item.parentItem));
wrapFiles();
}
else
{
final Intent intent = new Intent(this, selected.isFile() ? NativeActivity.class : DirectoryActivity.class)
.putExtra("ROM", selected.getAbsolutePath())
.putExtra("LIBRETRO", getIntent().getStringExtra("LIBRETRO"));
startActivity(intent);
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event)
{
if(keyCode == KeyEvent.KEYCODE_BACK && backStack.size() > 1)
{
backStack.remove(backStack.size() - 1);
wrapFiles();
return true;
}
return super.onKeyDown(keyCode, event);
}
@Override public boolean onCreateOptionsMenu(Menu aMenu)
{
super.onCreateOptionsMenu(aMenu);
getMenuInflater().inflate(R.menu.directory_list, aMenu);
return true;
}
@Override public boolean onOptionsItemSelected(MenuItem aItem)
{
{
if(R.id.input_method_select == aItem.getItemId())
{
InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showInputMethodPicker();
return true;
}
return super.onOptionsItemSelected(aItem);
}
private void wrapFiles(File aDirectory)
private void wrapFiles()
{
if(null == aDirectory || !aDirectory.isDirectory())
listedDirectory = new File(backStack.get(backStack.size() - 1).path);
if(!listedDirectory.isDirectory())
{
throw new IllegalArgumentException("Directory is not valid.");
}
// Copy new items
for(File file: aDirectory.listFiles())
adapter.clear();
setTitle(listedDirectory.getAbsolutePath());
if(listedDirectory.getParentFile() != null)
{
adapter.add(new FileWrapper(file, file.isDirectory() || true));
adapter.add(new FileWrapper(null, true, true));
}
// Copy new items
final File[] files = listedDirectory.listFiles();
if(files != null)
{
for(File file: files)
{
adapter.add(new FileWrapper(file, false, file.isDirectory() || true));
}
}
// Sort items
adapter.sort(new Comparator<FileWrapper>()
{
@ -145,6 +246,6 @@ public class DirectoryActivity extends Activity implements AdapterView.OnItemCli
});
// Update
adapter.notifyDataSetChanged();
adapter.notifyDataSetChanged();
}
}