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/*
* 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 android.text.method;
import android.app.Dialog;
import android.content.Context;
import android.os.Bundle;
import android.text.Editable;
import android.text.Selection;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.GridView;
import com.android.internal.R;
/**
* Dialog for choosing accented characters related to a base character.
*/
public class CharacterPickerDialog extends Dialog
implements OnItemClickListener, OnClickListener {
private View mView;
private Editable mText;
private String mOptions;
private boolean mInsert;
private LayoutInflater mInflater;
private Button mCancelButton;
/**
* Creates a new CharacterPickerDialog that presents the specified
* <code>options</code> for insertion or replacement (depending on
* the sense of <code>insert</code>) into <code>text</code>.
*/
public CharacterPickerDialog(Context context, View view,
Editable text, String options,
boolean insert) {
super(context, com.android.internal.R.style.Theme_Panel);
mView = view;
mText = text;
mOptions = options;
mInsert = insert;
mInflater = LayoutInflater.from(context);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
WindowManager.LayoutParams params = getWindow().getAttributes();
params.token = mView.getApplicationWindowToken();
params.type = params.TYPE_APPLICATION_ATTACHED_DIALOG;
params.flags = params.flags | Window.FEATURE_NO_TITLE;
setContentView(R.layout.character_picker);
GridView grid = (GridView) findViewById(R.id.characterPicker);
grid.setAdapter(new OptionsAdapter(getContext()));
grid.setOnItemClickListener(this);
mCancelButton = (Button) findViewById(R.id.cancel);
mCancelButton.setOnClickListener(this);
}
/**
* Handles clicks on the character buttons.
*/
public void onItemClick(AdapterView parent, View view, int position, long id) {
String result = String.valueOf(mOptions.charAt(position));
replaceCharacterAndClose(result);
}
private void replaceCharacterAndClose(CharSequence replace) {
int selEnd = Selection.getSelectionEnd(mText);
if (mInsert || selEnd == 0) {
mText.insert(selEnd, replace);
} else {
mText.replace(selEnd - 1, selEnd, replace);
}
dismiss();
}
/**
* Handles clicks on the Cancel button.
*/
public void onClick(View v) {
if (v == mCancelButton) {
dismiss();
} else if (v instanceof Button) {
CharSequence result = ((Button) v).getText();
replaceCharacterAndClose(result);
}
}
private class OptionsAdapter extends BaseAdapter {
public OptionsAdapter(Context context) {
super();
}
public View getView(int position, View convertView, ViewGroup parent) {
Button b = (Button)
mInflater.inflate(R.layout.character_picker_button, null);
b.setText(String.valueOf(mOptions.charAt(position)));
b.setOnClickListener(CharacterPickerDialog.this);
return b;
}
public final int getCount() {
return mOptions.length();
}
public final Object getItem(int position) {
return String.valueOf(mOptions.charAt(position));
}
public final long getItemId(int position) {
return position;
}
}
}
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