Android Open Source - ListView-Swipe-to-Delete Menu Item Builder

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2013 Steelkiwi Development, Julia Zudikova
 * //from   w  w  w  .  j av a2s .c  o  m
 * 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.skd.swipetodelete.menu;

import android.content.Context;
import android.widget.ImageView;

import com.skd.swipetodelete.R;
import com.skd.swipetodelete.utils.DimenUtils;

/*
 * A builder class helping to construct an image view which represents a menu cell from its description.
 */

public final class MenuItemBuilder {
  private static final int MENU_ITEM_PADDING = 12;
  
  private MenuItemDesc itemDesc;
  
  public MenuItemBuilder setItemDesc(MenuItemDesc itemDesc) {
    this.itemDesc = itemDesc;
    return this;
  }
  
  public ImageView build(Context ctx) {
    String action = itemDesc.getAction();
    if (action == null || action.equals("")) {
      throw new IllegalArgumentException("No menu action specified!");
    }
    int iconDrawableID = itemDesc.getIcon();
    if (iconDrawableID <= 0) {
      throw new IllegalArgumentException("No menu icon specified!");
    }
    
    ImageView item = new ImageView(ctx);
    item.setTag(action);
    item.setImageResource(iconDrawableID);
    item.setContentDescription(ctx.getString(R.string.icon));
    int padding = DimenUtils.getPixelsFromDP(ctx.getResources(), MENU_ITEM_PADDING);
    item.setPadding(padding, padding, padding, padding);
    return item;
  }
}

Java Source Code List