Android Open Source - goodintentions Intention Categories Linear Layout

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License

The source code is released under:

Apache License

Java Source Code

package com.luboganev.goodintentions.ui.views;
/*w w  w.ja  va2  s  .co  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.EditText;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import butterknife.ButterKnife;
import butterknife.InjectView;

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

public class IntentionCategoriesLinearLayout extends LinearLayout {
  public void setOnFindCategoryButtonClickListener(OnClickListener l) {
    mCategorySearchButton.setOnClickListener(l);
  }
  
  @InjectView(R.id.btn_category_search) ImageButton mCategorySearchButton;
  @InjectView(R.id.et_new_intent_category) EditText mNewCategoryEditText;
  @InjectView(R.id.btn_category_add) ImageButton mCategoryAddButton;
  @InjectView(R.id.ll_categories_list) LinearLayout mCategoriesListLinearLayout;
  
  private ArrayList<String> mCategories;
  private static final String STATE_EXTRA_CATEGORIES_LIST = "categories_list";
  private LayoutInflater mLayoutInflater;

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

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

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

  private void initCustomView(Context context) {
    mCategories = new ArrayList<String>();
    setSaveEnabled(true);
    mLayoutInflater = LayoutInflater.from(context);
        View view = mLayoutInflater.inflate(R.layout.view_intention_categories, this, true);
        ButterKnife.inject(this, view);
        mCategoryAddButton.setOnClickListener(mOnAddCategoryListener);
  }
  
  public void setCategories(ArrayList<String> categories) {
    mCategories = categories;
    mNewCategoryEditText.getText().clear();
    reloadCategoryViews();
  }
  
  public void setNewCategory(String category) {
    mNewCategoryEditText.setText(category);
  }
  
  private void reloadCategoryViews() {
    mCategoriesListLinearLayout.removeAllViews();
    for (String category : mCategories) {
      appendCategoryView(category);
    }
  }
  
  private void appendCategory(String category) {
    mCategories.add(category);
    appendCategoryView(category);
  }
  
  private void appendCategoryView(String category) {
    Button newCategoryButton = new Button(getContext(), null, R.attr.removableRowButtonStyle);
    newCategoryButton.setText(category);
    newCategoryButton.setOnClickListener(mOnCategoryClickedListener);
    newCategoryButton.setOnLongClickListener(mOnCategoryLongClickedListener);
    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);
    mCategoriesListLinearLayout.addView(newCategoryButton, params);
  }
  
  private void removeCategoryAtPosition(int pos) {
    if(pos < 0 || pos >= mCategories.size()) return;
    mCategoriesListLinearLayout.removeViewAt(pos);
    mCategories.remove(pos);
  }
  
  private OnCategoryClickedListener mOnCategoryClickedListener = new OnCategoryClickedListener();
  
  private class OnCategoryClickedListener implements OnClickListener {
    @Override
    public void onClick(View v) {
      removeCategoryAtPosition(mCategoriesListLinearLayout.indexOfChild(v));
    }
  }
  
  private OnCategoryLongClickedListener mOnCategoryLongClickedListener = new OnCategoryLongClickedListener();
  
  private class OnCategoryLongClickedListener implements OnLongClickListener {
    @Override
    public boolean onLongClick(View v) {
      setNewCategory(((Button)v).getText().toString());
      return true;
    }
  }
  
  private OnAddCategoryListener mOnAddCategoryListener = new OnAddCategoryListener();
  
  private class OnAddCategoryListener implements OnClickListener {
    @Override
    public void onClick(View v) {
      if(mNewCategoryEditText.getText().length() > 0) {
        appendCategory(mNewCategoryEditText.getText().toString());
        mNewCategoryEditText.getText().clear();
      }
    }
  }
  
  public ArrayList<String> getCategoriesList() {
    return mCategories;
  }
  
  @Override
  protected Parcelable onSaveInstanceState() {
    Parcelable p = super.onSaveInstanceState();
    Bundle b = new Bundle();
    b.putStringArrayList(STATE_EXTRA_CATEGORIES_LIST, mCategories);
    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_CATEGORIES_LIST)) {
      mCategories = b.getStringArrayList(STATE_EXTRA_CATEGORIES_LIST);
    }
    Parcelable sp = b.getParcelable("super");
    super.onRestoreInstanceState(sp);
    reloadCategoryViews();
  }
}

Java Source Code List

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