content: /*
   * MIT License
   *
   * Copyright (c) 2018 Alibaba Group
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  package com.tmall.wireless.tangram.structure.card;
  
  import android.support.annotation.Nullable;
  
  import com.alibaba.android.vlayout.LayoutHelper;
  import com.alibaba.android.vlayout.layout.StaggeredGridLayoutHelper;
  import com.tmall.wireless.tangram.dataparser.concrete.Card;
  import com.tmall.wireless.tangram.dataparser.concrete.Style;
  
  import org.json.JSONObject;
  
  /**
   * Created by villadora on 15/11/8.
   */
  public class StaggeredCard extends Card {
  
  
      @Override
      public void parseStyle(@Nullable JSONObject data) {
          style = new StaggeredStyle();
          style.parseWith(data);
      }
  
      @Override
      public boolean isValid() {
          return super.isValid() && (style instanceof StaggeredStyle && ((StaggeredStyle) style).column > 0);
      }
  
      @Nullable
      @Override
      public LayoutHelper convertLayoutHelper(@Nullable LayoutHelper oldHelper) {
          StaggeredGridLayoutHelper helper = null;
          if (oldHelper instanceof StaggeredGridLayoutHelper) {
              helper = (StaggeredGridLayoutHelper) oldHelper;
          } else {
              helper = new StaggeredGridLayoutHelper();
          }
  
          if (style instanceof StaggeredStyle) {
              StaggeredStyle sStyle = (StaggeredStyle) style;
              helper.setLane(sStyle.column);
              helper.setItemCount(mCells.size());
              helper.setVGap(sStyle.vGap);
              helper.setHGap(sStyle.hGap);
          }
  
          helper.setMargin(style.margin[Style.MARGIN_LEFT_INDEX], style.margin[Style.MARGIN_TOP_INDEX],
                  style.margin[Style.MARGIN_RIGHT_INDEX], style.margin[Style.MARGIN_BOTTOM_INDEX]);
          helper.setPadding(style.padding[Style.MARGIN_LEFT_INDEX], style.padding[Style.MARGIN_TOP_INDEX],
                  style.padding[Style.MARGIN_RIGHT_INDEX], style.padding[Style.MARGIN_BOTTOM_INDEX]);
  
          return helper;
      }
  
  
      static class StaggeredStyle extends Style {
          public static final String KEY_COLUMN = "column";
  
          public static final String KEY_GAP = "gap";
  
          public static final String KEY_H_GAP = "hGap";
          public static final String KEY_V_GAP = "vGap";
  
          public int vGap = 0;
          public int hGap = 0;
  
          public int column = 2;
  
          // public float[] cols;
  
          @Override
          public void parseWith(JSONObject data) {
              super.parseWith(data);
  
              if (data != null) {
  
                  column = data.optInt(KEY_COLUMN, 2);
  
                  vGap = hGap = Style.parseSize(data.optString(KEY_GAP), 0);
  
                  hGap = Style.parseSize(data.optString(KEY_H_GAP), 0);
                  vGap = Style.parseSize(data.optString(KEY_V_GAP), 0);
              }
          }
      }
  }
  