Android Open Source - filelistview File Save View

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License

The source code is released under:

MIT License

Java Source Code

package com.jcw.andriod.fileListView;
/*from  ww w.  ja v a  2 s  .  c  o m*/
/*
 * Created by Jackson Woodruff on 18/07/2014 
 *
 * This class is very similar to the FileOpenView --
 * just two changes. The button and edittext are now
 * mandatory, and they are used for entering (edittext)
 * and confirming (button) the name of the file to
 * save as
 */

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

import com.jcw.android.fileListView.R;

import java.io.File;

public class FileSaveView extends FileOpenView {

    private FileListView.FileSelectListener listener;

    //when set to false, no warning will be shown when overwriting files
    public boolean showOverwriteWarning = true;

    public FileSaveView(Context context) {
        super(context);
    }

    public FileSaveView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public FileSaveView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected void init() {
        setSearchEnabled(false);
        setFolderSelectEnabled(false);
        super.init();
        search.setHint(R.string.fileName);
        folderSelect.setText(R.string.save);
    }

    @Override
    protected void setListeners() {
        listView.setFileSelectedListener(new FileListView.FileSelectListener() {
            @Override
            public void fileSelected(File selected) {
                search.setText(selected.getName());
            }
        });

        search.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {

            }

            @Override
            public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {

            }

            @Override
            public void afterTextChanged(Editable editable) {
                //todo -- potentially fill this in so that the save button is disabled
                //todo -- if the file already exists
            }
        });

        folderSelect.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                //if the filename is empty, then the user needs to know
                if (search.getText().toString().trim().equals("")) {
                    search.setError(getContext().getResources().getString(R.string.fileNeedsName));
                    return;
                }
                final File file = new File(listView.baseDirectory + "/" + search.getText().toString());
                if (file.exists() && showOverwriteWarning) {
                    AlertDialog.Builder b = new AlertDialog.Builder(getContext());
                    b.setTitle(R.string.fileAlreadyExists);
                    b.setMessage(R.string.overwriteMessage);
                    b.setPositiveButton(R.string.overwrite, new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialogInterface, int i) {
                            if (listener != null)
                                listener.fileSelected(file);
                        }
                    });
                    b.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialogInterface, int i) {
                            //also do nothing
                        }
                    });
                    b.show();
                    return;
                }
                //passed all tests
                if (listener != null)
                    listener.fileSelected(file);
            }
        });
    }

    @Override
    public void setFolderSelectEnabled(boolean enabled) {
        //  if (enabled)
        //    throw new NoSuchMethodError("There is no folder select button to show in a " +
        //        "FileSaveView");
    }

    @Override
    public void setSearchEnabled(boolean enabled) {
        //  if (enabled)
        //    throw new NoSuchMethodError("There is no search bar to show in a " +
        //      "FileSaveView");
    }

    public void enableOverwriteWarning(boolean enabled) {
        this.showOverwriteWarning = enabled;
    }

    public void setFileSelectedListener(FileListView.FileSelectListener listener) {
        this.listener = listener;
    }
}

Java Source Code List

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