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.tangram3.structure.card;
  
  import android.support.annotation.Nullable;
  
  import com.alibaba.android.vlayout.LayoutHelper;
  import com.alibaba.android.vlayout.layout.OnePlusNLayoutHelper;
  import com.tmall.wireless.tangram3.dataparser.concrete.Card;
  import com.tmall.wireless.tangram3.dataparser.concrete.Style;
  import com.tmall.wireless.tangram3.structure.BaseCell;
  import com.tmall.wireless.tangram3.structure.style.ColumnStyle;
  
  public class OnePlusNCard extends Card {
      private static final float[] EMPTY_WEIGHTS = new float[0];
  
      public void ensureBlock(BaseCell cell) {
          if (cell.isValid()) {
              cell.gridDisplayType = BaseCell.GridDisplayType.block;
          }
      }
  
      @Nullable
      @Override
      public LayoutHelper convertLayoutHelper(@Nullable LayoutHelper oldHelper) {
          OnePlusNLayoutHelper layoutHelper;
          if (oldHelper instanceof OnePlusNLayoutHelper) {
              layoutHelper = (OnePlusNLayoutHelper) oldHelper;
          } else {
              layoutHelper = new OnePlusNLayoutHelper();
          }
  
          layoutHelper.setItemCount(mCells.size());
          if (mCells.size() == 1) {
              BaseCell isHeader = mCells.get(0);
              layoutHelper.setHasHeader(isHeader.gridDisplayType == BaseCell.GridDisplayType.block);
              layoutHelper.setHasFooter(false);
          } else if (mCells.size() >= 2) {
              BaseCell isHeader = mCells.get(0);
              layoutHelper.setHasHeader(isHeader.gridDisplayType == BaseCell.GridDisplayType.block);
              BaseCell isFooter = mCells.get(mCells.size() - 1);
              layoutHelper.setHasFooter(isFooter.gridDisplayType == BaseCell.GridDisplayType.block);
          }
  
          if (style instanceof ColumnStyle) {
              ColumnStyle columnStyle = (ColumnStyle) style;
              if (columnStyle.cols != null && columnStyle.cols.length > 0)
                  layoutHelper.setColWeights(columnStyle.cols);
              else
                  layoutHelper.setColWeights(EMPTY_WEIGHTS);
  
              if (!Float.isNaN(style.aspectRatio)) {
                  layoutHelper.setAspectRatio(style.aspectRatio);
              }
  
              if (columnStyle.rows != null && columnStyle.rows.length > 0) {
                  layoutHelper.setRowWeight(columnStyle.rows[0]);
              }
  
              layoutHelper.setBgColor(columnStyle.bgColor);
              layoutHelper.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]);
              layoutHelper.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 layoutHelper;
      }
  
  }
  