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Merge "Add grid manager demo to Support7Demo app" into lmp-dev

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This commit is contained in:
Yigit Boyar
2014-08-08 01:21:16 +00:00
committed by Android (Google) Code Review
parent bf1e26281d 4d101ac303
commit 17e3912628
7 changed files with 420 additions and 278 deletions
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9
samples/Support7Demos/AndroidManifest.xml
View File

@@ -204,6 +204,15 @@
</intent-filter>
</activity>
<activity android:name=".widget.GridLayoutManagerActivity"
android:label="@string/grid_layout_manager"
android:theme="@style/Theme.AppCompat">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="com.example.android.supportv7.SAMPLE_CODE" />
</intent-filter>
</activity>
<activity android:name=".view.CardViewActivity"
android:label="@string/card_view"
android:theme="@style/Theme.AppCompat">

16
samples/Support7Demos/res/layout/activity_linear_layout_manager.xml → samples/Support7Demos/res/layout/activity_base_layout_manager.xml
View File

@@ -21,6 +21,13 @@
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<CheckBox
android:focusable="true"
android:focusableInTouchMode="true"
android:id="@+id/enable_smooth_scroll"
android:text="smooth scroll"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<EditText
android:id="@+id/scroll_offset"
android:layout_width="wrap_content"
@@ -31,11 +38,10 @@
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/spinner"/>
<CheckBox
android:id="@+id/enable_smooth_scroll"
android:text="smooth scroll"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<Button android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="scroll"
android:onClick="onScrollClicked"/>
</LinearLayout>
<android.support.v7.widget.RecyclerView

3
samples/Support7Demos/res/values/strings.xml
View File

@@ -97,7 +97,8 @@
<string name="recycler_view">RecyclerView/RecyclerViewActivity</string>
<string name="animated_recycler_view">RecyclerView/AnimatedRecyclerView</string>
<string name="linear_layout_manager">Linear Layout Manager</string>
<string name="linear_layout_manager">RecyclerView/Linear Layout Manager</string>
<string name="grid_layout_manager">RecyclerView/Grid Layout Manager</string>
<string name="checkbox_orientation">Horz.</string>
<string name="checkbox_reverse">Rev.</string>
<string name="checkbox_layout_dir">Layout Dir</string>

234
samples/Support7Demos/src/com/example/android/supportv7/widget/BaseLayoutManagerActivity.java Normal file
View File

@@ -0,0 +1,234 @@
/*
* Copyright (C) 2014 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.example.android.supportv7.widget;
import com.example.android.supportv7.Cheeses;
import com.example.android.supportv7.R;
import com.example.android.supportv7.widget.adapter.SimpleStringAdapter;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
/**
* A simple activity that can be extended to demonstrate LayoutManagers.
* <p>
* It initializes a sample adapter and a list of configuration options. Extending activities can
* define the {@link ConfigToggle} list depending on its functionality.
*/
abstract public class BaseLayoutManagerActivity<T extends RecyclerView.LayoutManager>
extends Activity {
protected T mLayoutManager;
protected RecyclerView mRecyclerView;
private ConfigToggle[] mConfigToggles;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_base_layout_manager);
initToggles();
initRecyclerView();
initSpinner();
}
abstract protected T createLayoutManager();
private void initRecyclerView() {
mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
mRecyclerView.setHasFixedSize(true);
mLayoutManager = createLayoutManager();
mRecyclerView.setLayoutManager(mLayoutManager);
mRecyclerView.setAdapter(createAdapter());
mRecyclerView.getItemAnimator().setSupportsChangeAnimations(true);
onRecyclerViewInit(mRecyclerView);
}
protected void onRecyclerViewInit(RecyclerView recyclerView) {
}
protected RecyclerView.Adapter createAdapter() {
return new SimpleStringAdapter(this, Cheeses.sCheeseStrings) {
@Override
public SimpleStringAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
int viewType) {
final SimpleStringAdapter.ViewHolder vh = super
.onCreateViewHolder(parent, viewType);
vh.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final int pos = vh.getPosition();
if (pos + 1 < getItemCount()) {
swap(pos, pos + 1);
}
notifyItemChanged(pos);
}
});
return vh;
}
};
}
private void initToggles() {
mConfigToggles = createConfigToggles();
RecyclerView configView = (RecyclerView) findViewById(R.id.config_recycler_view);
configView.setAdapter(mConfigAdapter);
configView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL,
false));
configView.setHasFixedSize(true);
}
public void onScrollClicked(View view) {
final EditText scrollOffset = (EditText) findViewById(R.id.scroll_offset);
final CheckBox checkBox = (CheckBox) findViewById(R.id.enable_smooth_scroll);
final Spinner spinner = (Spinner) findViewById(R.id.spinner);
Integer offset = null;
String offsetString = scrollOffset.getText().toString();
try {
offset = Integer.parseInt(offsetString);
} catch (NumberFormatException ex) {
}
final boolean smooth = checkBox.isChecked();
if (offset == null) {
scrollToPosition(smooth, spinner.getSelectedItemPosition());
} else {
scrollToPositionWithOffset(smooth, spinner.getSelectedItemPosition(), offset);
}
}
private void initSpinner() {
final Spinner spinner = (Spinner) findViewById(R.id.spinner);
spinner.setAdapter(new BaseAdapter() {
@Override
public int getCount() {
return mRecyclerView.getAdapter().getItemCount();
}
@Override
public Integer getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = new TextView(parent.getContext());
}
((TextView) convertView).setText(" " + position + " ");
return convertView;
}
});
}
protected void scrollToPosition(boolean smooth, int position) {
if (smooth) {
mRecyclerView.smoothScrollToPosition(position);
} else {
mRecyclerView.scrollToPosition(position);
}
}
protected void scrollToPositionWithOffset(boolean smooth, int position, int offset) {
scrollToPosition(smooth, position);
}
abstract ConfigToggle[] createConfigToggles();
private class ConfigViewHolder extends RecyclerView.ViewHolder
implements CompoundButton.OnCheckedChangeListener {
private CheckBox mCheckBox;
private ConfigToggle mConfigToggle;
public ConfigViewHolder(View itemView) {
super(itemView);
mCheckBox = (CheckBox) itemView;
mCheckBox.setOnCheckedChangeListener(this);
}
public void bind(ConfigToggle toggle) {
mConfigToggle = toggle;
mCheckBox.setText(toggle.getText());
mCheckBox.setChecked(toggle.isChecked());
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (mConfigToggle != null) {
mConfigToggle.onChange(isChecked);
}
}
}
public abstract static class ConfigToggle {
private String mLabel;
protected ConfigToggle(Context context, int labelId) {
mLabel = context.getResources().getString(labelId);
}
public String getText() {
return mLabel;
}
abstract public boolean isChecked();
abstract public void onChange(boolean newValue);
}
private RecyclerView.Adapter mConfigAdapter = new RecyclerView.Adapter<ConfigViewHolder>() {
@Override
public ConfigViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
return new ConfigViewHolder(new CheckBox(parent.getContext()));
}
@Override
public void onBindViewHolder(ConfigViewHolder holder, int position) {
ConfigToggle toggle = mConfigToggles[position];
holder.bind(toggle);
}
@Override
public int getItemCount() {
return mConfigToggles.length;
}
};
}

134
samples/Support7Demos/src/com/example/android/supportv7/widget/GridLayoutManagerActivity.java Normal file
View File

@@ -0,0 +1,134 @@
/*
* Copyright (C) 2014 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.example.android.supportv7.widget;
import com.example.android.supportv7.Cheeses;
import com.example.android.supportv7.R;
import com.example.android.supportv7.widget.adapter.SimpleStringAdapter;
import android.support.v4.view.ViewCompat;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
/**
* A sample Activity to demonstrate capabilities of {@link GridLayoutManager}.
*/
public class GridLayoutManagerActivity extends BaseLayoutManagerActivity<GridLayoutManager> {
SimpleStringAdapter mAdapter;
@Override
protected GridLayoutManager createLayoutManager() {
GridLayoutManager lm = new GridLayoutManager(this, 3);
lm.setReverseLayout(true);
lm.setSpanSizeLookup(mSpanSizeLookup);
return lm;
}
GridLayoutManager.SpanSizeLookup mSpanSizeLookup = new GridLayoutManager.SpanSizeLookup() {
@Override
public int getSpanSize(int position) {
String item = mAdapter.getValueAt(position);
return 1 + (Math.abs(item.hashCode()) % mLayoutManager.getSpanCount());
}
};
@Override
ConfigToggle[] createConfigToggles() {
return new ConfigToggle[]{
new ConfigToggle(this, R.string.checkbox_orientation) {
@Override
public boolean isChecked() {
return mLayoutManager.getOrientation() == LinearLayoutManager.HORIZONTAL;
}
@Override
public void onChange(boolean newValue) {
mLayoutManager.setOrientation(newValue ? LinearLayoutManager.HORIZONTAL
: LinearLayoutManager.VERTICAL);
}
},
new ConfigToggle(this, R.string.checkbox_reverse) {
@Override
public boolean isChecked() {
return mLayoutManager.getReverseLayout();
}
@Override
public void onChange(boolean newValue) {
mLayoutManager.setReverseLayout(newValue);
}
},
new ConfigToggle(this, R.string.checkbox_layout_dir) {
@Override
public boolean isChecked() {
return ViewCompat.getLayoutDirection(mRecyclerView) ==
ViewCompat.LAYOUT_DIRECTION_RTL;
}
@Override
public void onChange(boolean newValue) {
ViewCompat.setLayoutDirection(mRecyclerView, newValue ?
ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
}
},
new ConfigToggle(this, R.string.checkbox_stack_from_end) {
@Override
public boolean isChecked() {
return mLayoutManager.getStackFromEnd();
}
@Override
public void onChange(boolean newValue) {
mLayoutManager.setStackFromEnd(newValue);
}
}
};
}
@Override
protected void scrollToPositionWithOffset(boolean smooth, int position, int offset) {
if (smooth) {
super.scrollToPositionWithOffset(smooth, position, offset);
} else {
mLayoutManager.scrollToPositionWithOffset(position, offset);
}
}
protected RecyclerView.Adapter createAdapter() {
mAdapter = new SimpleStringAdapter(this, Cheeses.sCheeseStrings) {
@Override
public SimpleStringAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
int viewType) {
final SimpleStringAdapter.ViewHolder vh = super
.onCreateViewHolder(parent, viewType);
vh.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final int pos = vh.getPosition();
if (pos + 1 < getItemCount()) {
swap(pos, pos + 1);
}
notifyItemChanged(pos);
}
});
return vh;
}
};
return mAdapter;
}
}

293
samples/Support7Demos/src/com/example/android/supportv7/widget/LinearLayoutManagerActivity.java
View File

@@ -16,222 +16,61 @@
package com.example.android.supportv7.widget;
import com.example.android.supportv7.Cheeses;
import com.example.android.supportv7.widget.adapter.SimpleStringAdapter;
import com.example.android.supportv7.widget.decorator.DividerItemDecoration;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.view.ViewCompat;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import com.example.android.supportv7.R;
/**
* A sample activity that uses {@link android.support.v7.widget.LinearLayoutManager}.
* A sample activity that uses {@link LinearLayoutManager}.
*/
public class LinearLayoutManagerActivity extends Activity {
private RecyclerView.LayoutManager mListLayoutManager;
private ListWrapper mListWrapper;
private RecyclerView mRecyclerView;
public class LinearLayoutManagerActivity extends BaseLayoutManagerActivity<LinearLayoutManager> {
private DividerItemDecoration mDividerItemDecoration;
private ConfigToggle[] mConfigToggles;
@Override
protected LinearLayoutManager createLayoutManager() {
return new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_linear_layout_manager);
initConfig();
initRecyclerView();
initSpinner();
protected void onRecyclerViewInit(RecyclerView recyclerView) {
mDividerItemDecoration = new DividerItemDecoration(this, mLayoutManager.getOrientation());
recyclerView.addItemDecoration(mDividerItemDecoration);
}
private void initRecyclerView() {
mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
mRecyclerView.setHasFixedSize(true);
mListLayoutManager = new LinearLayoutManager(this);
mRecyclerView.setLayoutManager(mListLayoutManager);
mRecyclerView.setAdapter(new SimpleStringAdapter(this, Cheeses.sCheeseStrings) {
@Override
public SimpleStringAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
int viewType) {
final SimpleStringAdapter.ViewHolder vh = super
.onCreateViewHolder(parent, viewType);
vh.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final int pos = vh.getPosition();
if (pos + 1 < getItemCount()) {
swap(pos, pos + 1);
}
notifyItemChanged(pos);
}
});
return vh;
}
});
initListForLayoutManager();
}
private void initListForLayoutManager() {
mListWrapper = new ListWrapper() {
@Override
public int getOrientation() {
return lm().getOrientation();
}
@Override
public void setOrientation(int orientation) {
lm().setOrientation(orientation);
}
@Override
public boolean getReverseLayout() {
return lm().getReverseLayout();
}
@Override
public void setReverseLayout(boolean newValue) {
lm().setReverseLayout(newValue);
}
@Override
public boolean getStackFromEnd() {
return lm().getStackFromEnd();
}
@Override
public void setStackFromEnd(boolean newValue) {
lm().setStackFromEnd(newValue);
}
private LinearLayoutManager lm() {
return (LinearLayoutManager) mListLayoutManager;
}
};
if (mDividerItemDecoration != null) {
mRecyclerView.removeItemDecoration(mDividerItemDecoration);
}
mDividerItemDecoration = new DividerItemDecoration(this, mListWrapper.getOrientation());
mRecyclerView.addItemDecoration(mDividerItemDecoration);
}
private void initConfig() {
RecyclerView configView = (RecyclerView) findViewById(R.id.config_recycler_view);
initToggles();
configView.setAdapter(mConfigAdapter);
configView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL,
false));
configView.setHasFixedSize(true);
}
private void initSpinner() {
final CheckBox checkBox = (CheckBox)
findViewById(R.id.enable_smooth_scroll);
final Spinner spinner = (Spinner) findViewById(R.id.spinner);
final EditText scrollOffset = (EditText) findViewById(R.id.scroll_offset);
spinner.setAdapter(new BaseAdapter() {
@Override
public int getCount() {
return mRecyclerView.getAdapter().getItemCount();
}
@Override
public Integer getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = new TextView(parent.getContext());
}
((TextView) convertView).setText("" + position);
return convertView;
}
});
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
int offset = Integer.MIN_VALUE;
String offsetString = scrollOffset.getText().toString();
try {
offset = Integer.parseInt(offsetString);
} catch (NumberFormatException ex) {
}
if (offset == Integer.MIN_VALUE) {
if (checkBox.isChecked()) {
mRecyclerView.smoothScrollToPosition(position);
} else {
mRecyclerView.scrollToPosition(position);
}
} else {
// ignore offset until we add recycling list view with smooth scroll to offset
mRecyclerView.smoothScrollToPosition(position);
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
}
private void initToggles() {
mConfigToggles = new ConfigToggle[]{
new ConfigToggle(R.string.checkbox_orientation) {
@Override
BaseLayoutManagerActivity.ConfigToggle[] createConfigToggles() {
return new ConfigToggle[]{
new ConfigToggle(this, R.string.checkbox_orientation) {
@Override
public boolean isChecked() {
return mListWrapper.getOrientation() == LinearLayoutManager.HORIZONTAL;
return mLayoutManager.getOrientation() == LinearLayoutManager.HORIZONTAL;
}
@Override
public void onChange(boolean newValue) {
mListWrapper.setOrientation(newValue ? LinearLayoutManager.HORIZONTAL
mLayoutManager.setOrientation(newValue ? LinearLayoutManager.HORIZONTAL
: LinearLayoutManager.VERTICAL);
if (mDividerItemDecoration != null) {
mDividerItemDecoration.setOrientation(mListWrapper.getOrientation());
mDividerItemDecoration.setOrientation(mLayoutManager.getOrientation());
}
}
},
new ConfigToggle(R.string.checkbox_reverse) {
new ConfigToggle(this, R.string.checkbox_reverse) {
@Override
public boolean isChecked() {
return mListWrapper.getReverseLayout();
return mLayoutManager.getReverseLayout();
}
@Override
public void onChange(boolean newValue) {
mListWrapper.setReverseLayout(newValue);
mLayoutManager.setReverseLayout(newValue);
}
},
new ConfigToggle(R.string.checkbox_layout_dir) {
new ConfigToggle(this, R.string.checkbox_layout_dir) {
@Override
public boolean isChecked() {
return ViewCompat.getLayoutDirection(mRecyclerView) ==
@@ -244,103 +83,17 @@ public class LinearLayoutManagerActivity extends Activity {
ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
}
},
new ConfigToggle(R.string.checkbox_stack_from_end) {
new ConfigToggle(this, R.string.checkbox_stack_from_end) {
@Override
public boolean isChecked() {
return mListWrapper.getStackFromEnd();
return mLayoutManager.getStackFromEnd();
}
@Override
public void onChange(boolean newValue) {
mListWrapper.setStackFromEnd(newValue);
mLayoutManager.setStackFromEnd(newValue);
}
}
};
}
private class ConfigViewHolder extends RecyclerView.ViewHolder
implements CompoundButton.OnCheckedChangeListener {
private CheckBox mCheckBox;
private ConfigToggle mConfigToggle;
public ConfigViewHolder(View itemView) {
super(itemView);
mCheckBox = (CheckBox) itemView;
mCheckBox.setOnCheckedChangeListener(this);
}
public void render(ConfigToggle toggle) {
mConfigToggle = toggle;
mCheckBox.setText(toggle.getText());
mCheckBox.setChecked(toggle.isChecked());
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (mConfigToggle != null) {
mConfigToggle.onChange(isChecked);
}
}
}
private abstract class ConfigToggle {
private String mLabel;
protected ConfigToggle(int labelId) {
mLabel = getResources().getString(labelId);
}
public String getText() {
return mLabel;
}
abstract public boolean isChecked();
abstract public void onChange(boolean newValue);
}
private RecyclerView.Adapter mConfigAdapter = new RecyclerView.Adapter<ConfigViewHolder>() {
@Override
public ConfigViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
return new ConfigViewHolder(new CheckBox(parent.getContext()));
}
@Override
public void onBindViewHolder(ConfigViewHolder holder, int position) {
ConfigToggle toggle = mConfigToggles[position];
holder.render(toggle);
}
@Override
public int getItemCount() {
return mConfigToggles.length;
}
};
/**
* To avoid adding interfaces to LayoutManager for the demo, we use this wrapper class to
* call different LayoutManagers
*/
private static interface ListWrapper {
int getOrientation();
void setOrientation(int orientation);
boolean getReverseLayout();
void setReverseLayout(boolean newValue);
boolean getStackFromEnd();
void setStackFromEnd(boolean newValue);
}
}

9
samples/Support7Demos/src/com/example/android/supportv7/widget/adapter/SimpleStringAdapter.java
View File

@@ -33,7 +33,7 @@ public class SimpleStringAdapter extends RecyclerView.Adapter<SimpleStringAdapte
private ArrayList<String> mValues;
public static class ViewHolder extends RecyclerView.ViewHolder {
public String mBoundString;
public TextView mTextView;
public ViewHolder(TextView v) {
@@ -47,6 +47,10 @@ public class SimpleStringAdapter extends RecyclerView.Adapter<SimpleStringAdapte
}
}
public String getValueAt(int position) {
return mValues.get(position);
}
public SimpleStringAdapter(Context context, String[] strings) {
TypedValue val = new TypedValue();
if (context.getTheme() != null) {
@@ -86,6 +90,7 @@ public class SimpleStringAdapter extends RecyclerView.Adapter<SimpleStringAdapte
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.mBoundString = mValues.get(position);
holder.mTextView.setText(position + ":" + mValues.get(position));
holder.mTextView.setMinHeight((200 + mValues.get(position).length() * 10));
holder.mTextView.setBackgroundColor(getBackgroundColor(position));
@@ -95,7 +100,7 @@ public class SimpleStringAdapter extends RecyclerView.Adapter<SimpleStringAdapte
switch (position % 4) {
case 0: return Color.BLACK;
case 1: return Color.RED;
case 2: return Color.GREEN;
case 2: return Color.DKGRAY;
case 3: return Color.BLUE;
}
return Color.TRANSPARENT;