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/*
* Copyright (C) 2013 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 com.android.gallery3d.filtershow.presets;
import android.content.Context;
import android.graphics.Rect;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;
import com.android.gallery3d.R;
import com.android.gallery3d.filtershow.category.Action;
import com.android.gallery3d.filtershow.category.CategoryView;
import com.android.gallery3d.filtershow.filters.FilterRepresentation;
import com.android.gallery3d.filtershow.filters.FilterUserPresetRepresentation;
import java.util.ArrayList;
public class UserPresetsAdapter extends ArrayAdapter<Action>
implements View.OnClickListener, View.OnFocusChangeListener {
private static final String LOGTAG = "UserPresetsAdapter";
private LayoutInflater mInflater;
private int mIconSize = 160;
private ArrayList<FilterUserPresetRepresentation> mDeletedRepresentations =
new ArrayList<FilterUserPresetRepresentation>();
private ArrayList<FilterUserPresetRepresentation> mChangedRepresentations =
new ArrayList<FilterUserPresetRepresentation>();
private EditText mCurrentEditText;
public UserPresetsAdapter(Context context, int textViewResourceId) {
super(context, textViewResourceId);
mInflater = LayoutInflater.from(context);
mIconSize = context.getResources().getDimensionPixelSize(R.dimen.category_panel_icon_size);
}
public UserPresetsAdapter(Context context) {
this(context, 0);
}
@Override
public void add(Action action) {
super.add(action);
action.setAdapter(this);
}
private void deletePreset(Action action) {
FilterRepresentation rep = action.getRepresentation();
if (rep instanceof FilterUserPresetRepresentation) {
mDeletedRepresentations.add((FilterUserPresetRepresentation) rep);
}
remove(action);
notifyDataSetChanged();
}
private void changePreset(Action action) {
FilterRepresentation rep = action.getRepresentation();
rep.setName(action.getName());
if (rep instanceof FilterUserPresetRepresentation) {
mChangedRepresentations.add((FilterUserPresetRepresentation) rep);
}
}
public void updateCurrent() {
if (mCurrentEditText != null) {
updateActionFromEditText(mCurrentEditText);
}
}
static class UserPresetViewHolder {
ImageView imageView;
EditText editText;
ImageButton deleteButton;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
UserPresetViewHolder viewHolder;
if (convertView == null) {
convertView = mInflater.inflate(R.layout.filtershow_presets_management_row, null);
viewHolder = new UserPresetViewHolder();
viewHolder.imageView = (ImageView) convertView.findViewById(R.id.imageView);
viewHolder.editText = (EditText) convertView.findViewById(R.id.editView);
viewHolder.deleteButton = (ImageButton) convertView.findViewById(R.id.deleteUserPreset);
viewHolder.editText.setOnClickListener(this);
viewHolder.editText.setOnFocusChangeListener(this);
viewHolder.deleteButton.setOnClickListener(this);
convertView.setTag(viewHolder);
} else {
viewHolder = (UserPresetViewHolder) convertView.getTag();
}
Action action = getItem(position);
viewHolder.imageView.setImageBitmap(action.getImage());
if (action.getImage() == null) {
// queue image rendering for this action
action.setImageFrame(new Rect(0, 0, mIconSize, mIconSize), CategoryView.VERTICAL);
}
viewHolder.deleteButton.setTag(action);
viewHolder.editText.setTag(action);
viewHolder.editText.setHint(action.getName());
return convertView;
}
public ArrayList<FilterUserPresetRepresentation> getDeletedRepresentations() {
return mDeletedRepresentations;
}
public void clearDeletedRepresentations() {
mDeletedRepresentations.clear();
}
public ArrayList<FilterUserPresetRepresentation> getChangedRepresentations() {
return mChangedRepresentations;
}
public void clearChangedRepresentations() {
mChangedRepresentations.clear();
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.editView:
v.requestFocus();
break;
case R.id.deleteUserPreset:
Action action = (Action) v.getTag();
deletePreset(action);
break;
}
}
@Override
public void onFocusChange(View v, boolean hasFocus) {
if (v.getId() != R.id.editView) {
return;
}
EditText editText = (EditText) v;
if (!hasFocus) {
updateActionFromEditText(editText);
} else {
mCurrentEditText = editText;
}
}
private void updateActionFromEditText(EditText editText) {
Action action = (Action) editText.getTag();
String newName = editText.getText().toString();
if (newName.length() > 0) {
action.setName(editText.getText().toString());
changePreset(action);
}
}
}
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