| /* |
| * Copyright (C) 2008-2012 OMRON SOFTWARE Co., Ltd. |
| * |
| * 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 jp.co.omronsoft.openwnn; |
| |
| import android.app.Dialog; |
| import android.content.Context; |
| import android.graphics.drawable.Drawable; |
| import android.text.TextUtils; |
| import android.text.TextPaint; |
| import android.view.Gravity; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.view.WindowManager; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| /** |
| * The default candidates view manager using {@link TextView}. |
| * |
| * @author Copyright (C) 2011 OMRON SOFTWARE CO., LTD. All Rights Reserved. |
| */ |
| public class CandidateTextView extends TextView { |
| |
| /** Width of fontsize change */ |
| private static final int WIDTH_SIZE[] = {0, 50, 100}; |
| /** Fontsize corresponding to width */ |
| private static final float CUSTOM_FONTSIZE[] = {20.0f, 17.0f, 15.0f}; |
| /** Width of fontsize change beginning */ |
| private static final int CHANGE_FONTSIZE_WIDTH = 120; |
| |
| /** Maximum width of candidate view */ |
| private int mMaxWidth; |
| /** Width of fontsize change beginning */ |
| private int mChangeFontSize; |
| /** Minimum width of candidate view */ |
| private int mCandidateMinimumWidth; |
| |
| /** Alert dialog */ |
| private Dialog mCandidateDialog = null; |
| |
| /** |
| * Constructor |
| * @param context context |
| */ |
| public CandidateTextView(Context context) { |
| super(context); |
| setSoundEffectsEnabled(false); |
| } |
| |
| /** |
| * Constructor |
| * @param context context |
| * @param candidateMinimumHeight Minimum height of candidate view |
| * @param candidateMinimumWidth Minimum width of candidate view |
| * @param maxWidth Maximum width of candidate view |
| */ |
| public CandidateTextView(Context context, int candidateMinimumHeight, int candidateMinimumWidth, int maxWidth) { |
| super(context); |
| setSoundEffectsEnabled(false); |
| setTextColor(getResources().getColor(R.color.candidate_text_1line)); |
| setBackgroundResource(R.drawable.cand_back_1line); |
| setGravity(Gravity.CENTER); |
| setSingleLine(); |
| setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, |
| ViewGroup.LayoutParams.MATCH_PARENT, |
| 1.0f)); |
| setMinHeight(candidateMinimumHeight); |
| setMinimumWidth(candidateMinimumWidth); |
| mCandidateMinimumWidth = candidateMinimumWidth; |
| mMaxWidth = maxWidth; |
| mChangeFontSize = maxWidth - CHANGE_FONTSIZE_WIDTH; |
| } |
| |
| /** |
| * Textview is set to the best content for the display of candidate. |
| * @param WnnWord candidate |
| * @param wordCount candidate id |
| * @param OnClickListener Operation when clicking |
| * @param OnClickListener Operation when longclicking |
| * @return Set completion textview |
| */ |
| public CandidateTextView setCandidateTextView(WnnWord word, int wordCount, |
| OnClickListener candidateOnClick, |
| OnLongClickListener candidateOnLongClick) { |
| setTextSize(CUSTOM_FONTSIZE[0]); |
| setText(word.candidate); |
| setId(wordCount); |
| setVisibility(View.VISIBLE); |
| setPressed(false); |
| setWidth(0); |
| setEllipsize(null); |
| setOnClickListener(candidateOnClick); |
| setOnLongClickListener(candidateOnLongClick); |
| setCustomCandidate(word); |
| return this; |
| } |
| |
| /** |
| * If the text view is set to the best width for the display, |
| * and it is necessary, the character is shortened. |
| * @param WnnWord candidate word |
| * @return int textview width |
| */ |
| public int setCustomCandidate(WnnWord word) { |
| TextPaint paint = getPaint(); |
| int width = (int)paint.measureText(word.candidate, 0, word.candidate.length()); |
| width += getPaddingLeft() + getPaddingRight(); |
| |
| if (width > mCandidateMinimumWidth) { |
| int i; |
| for (i = 0; i < WIDTH_SIZE.length; i++) { |
| if (width > mChangeFontSize + WIDTH_SIZE[i]) { |
| setTextSize(CUSTOM_FONTSIZE[i]); |
| } |
| } |
| |
| width = (int)paint.measureText(word.candidate, 0, word.candidate.length()); |
| width += getPaddingLeft() + getPaddingRight(); |
| |
| if (width >= mMaxWidth) { |
| setWidth(mMaxWidth); |
| width = mMaxWidth; |
| setEllipsize(TextUtils.TruncateAt.START); |
| } else { |
| setWidth(width); |
| } |
| } else { |
| setWidth(mCandidateMinimumWidth); |
| width = mCandidateMinimumWidth; |
| } |
| return width; |
| } |
| |
| /** @see View#setBackgroundDrawable */ |
| @Override public void setBackgroundDrawable(Drawable d) { |
| super.setBackgroundDrawable(d); |
| setPadding(20, 0, 20, 0); |
| } |
| |
| /** |
| * Display Dialog. |
| * |
| * @param builder The Dialog builder, |
| */ |
| public void displayCandidateDialog(Dialog builder) { |
| if (mCandidateDialog != null) { |
| mCandidateDialog.dismiss(); |
| mCandidateDialog = null; |
| } |
| mCandidateDialog = builder; |
| Window window = mCandidateDialog.getWindow(); |
| WindowManager.LayoutParams lp = window.getAttributes(); |
| lp.token = getWindowToken(); |
| lp.type = WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG; |
| window.setAttributes(lp); |
| window.addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM); |
| mCandidateDialog.show(); |
| } |
| |
| /** @see android.view.View#onWindowVisibilityChanged */ |
| @Override protected void onWindowVisibilityChanged(int visibility) { |
| super.onWindowVisibilityChanged(visibility); |
| if ((visibility != VISIBLE) && (mCandidateDialog != null)) { |
| mCandidateDialog.dismiss(); |
| } |
| } |
| } |