Android Open Source - goodintentions Intention Flags Linear Layout

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License

The source code is released under:
Apache License
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Java Source Code

package com.luboganev.goodintentions.ui.views;
/*www .ja va 2  s  . c  o m*/
import java.util.ArrayList;

import android.content.Context;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import butterknife.ButterKnife;
import butterknife.InjectView;

import com.luboganev.goodintentions.R;
import com.luboganev.goodintentions.UIUtils;

public class IntentionFlagsLinearLayout extends LinearLayout {
  public void setOnAddFlagButtonClickListener(OnClickListener l) {
    mFlagAddButton.setOnClickListener(l);
  }
  
  @InjectView(R.id.btn_flag_add) Button mFlagAddButton;
  @InjectView(R.id.ll_flags_list) LinearLayout mFlagsListLinearLayout;
  
  private ArrayList<String> mFlagNames;
  private ArrayList<Integer> mFlagValues;
  private static final String STATE_EXTRA_FLAGS_NAMES_LIST = "flags_names_list";
  private static final String STATE_EXTRA_FLAGS_VALUES_LIST = "flags_values_list";
  private LayoutInflater mLayoutInflater;

  public IntentionFlagsLinearLayout(Context context) {
    super(context);
    initCustomView(context);
  }

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

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

  private void initCustomView(Context context) {
    mFlagNames = new ArrayList<String>();
    mFlagValues = new ArrayList<Integer>();
    setSaveEnabled(true);
    mLayoutInflater = LayoutInflater.from(context);
        View view = mLayoutInflater.inflate(R.layout.view_intention_flags, this, true);
        ButterKnife.inject(this, view);
  }
  
  public void setFlags(ArrayList<String> flagLabels, ArrayList<Integer> flagValues) {
    mFlagNames = flagLabels;
    mFlagValues = flagValues;
    reloadFlagViews();
  }
  
  public void appendFlag(String flagName, int flagValue) {
    mFlagNames.add(flagName);
    mFlagValues.add(flagValue);
    appendFlagView(flagName);
  }
  
  private void reloadFlagViews() {
    mFlagsListLinearLayout.removeAllViews();
    for (String flagName : mFlagNames) {
      appendFlagView(flagName);
    }
  }
  
  private void appendFlagView(String flagName) {
    Button newFlagButton = new Button(getContext(), null, R.attr.removableRowButtonStyle);
    newFlagButton.setText(flagName);
    newFlagButton.setOnClickListener(mOnFlagClickedListener);
    int height = UIUtils.getPixelsFromDips(getContext(), 40);
    int marginBottom = UIUtils.getPixelsFromDips(getContext(), 4);
    LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, height);
    params.setMargins(0, 0, 0, marginBottom);
    mFlagsListLinearLayout.addView(newFlagButton, params);
  }
  
  private void removeFlagAtPosition(int pos) {
    if(pos < 0 || pos >= mFlagNames.size() || pos >= mFlagValues.size()) return;
    mFlagsListLinearLayout.removeViewAt(pos);
    mFlagNames.remove(pos);
    mFlagValues.remove(pos);
  }
  
  private OnFlagClickedListener mOnFlagClickedListener = new OnFlagClickedListener();
  
  private class OnFlagClickedListener implements OnClickListener {
    @Override
    public void onClick(View v) {
      removeFlagAtPosition(mFlagsListLinearLayout.indexOfChild(v));
    }
  }
  
  public ArrayList<String> getFlagNamesList() {
    return mFlagNames;
  }
  
  public ArrayList<Integer> getFlagValuesList() {
    return mFlagValues;
  }
  
  @Override
  protected Parcelable onSaveInstanceState() {
    Parcelable p = super.onSaveInstanceState();
    Bundle b = new Bundle();
    b.putStringArrayList(STATE_EXTRA_FLAGS_NAMES_LIST, mFlagNames);
    b.putIntegerArrayList(STATE_EXTRA_FLAGS_VALUES_LIST, mFlagValues);
    b.putParcelable("super", p);
    return b;
  }
  
  @Override
  protected void onRestoreInstanceState(Parcelable state) {
    if (!(state instanceof Bundle))
    {
      throw new RuntimeException("unexpected bundle");
    }
    Bundle b = (Bundle)state;
    if(b.containsKey(STATE_EXTRA_FLAGS_NAMES_LIST)) {
      mFlagNames = b.getStringArrayList(STATE_EXTRA_FLAGS_NAMES_LIST);
    }
    if(b.containsKey(STATE_EXTRA_FLAGS_NAMES_LIST)) {
      mFlagValues = b.getIntegerArrayList(STATE_EXTRA_FLAGS_VALUES_LIST);
    }
    Parcelable sp = b.getParcelable("super");
    super.onRestoreInstanceState(sp);
    reloadFlagViews();
  }
}
Java Source Code List
