content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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 org.apache.causeway.viewer.wicket.ui.components.layout.bs.row;
  
  import org.apache.wicket.markup.html.WebMarkupContainer;
  
  import org.apache.causeway.applib.layout.grid.bootstrap.BSClearFix;
  import org.apache.causeway.applib.layout.grid.bootstrap.BSCol;
  import org.apache.causeway.applib.layout.grid.bootstrap.BSRow;
  import org.apache.causeway.applib.layout.grid.bootstrap.BSRowContent;
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  import org.apache.causeway.viewer.wicket.model.models.UiObjectWkt;
  import org.apache.causeway.viewer.wicket.ui.components.layout.bs.clearfix.ClearFix;
  import org.apache.causeway.viewer.wicket.ui.components.layout.bs.col.Col;
  import org.apache.causeway.viewer.wicket.ui.components.layout.bs.col.RepeatingViewWithDynamicallyVisibleContent;
  import org.apache.causeway.viewer.wicket.ui.panels.HasDynamicallyVisibleContent;
  import org.apache.causeway.viewer.wicket.ui.panels.PanelAbstract;
  import org.apache.causeway.viewer.wicket.ui.util.Wkt;
  import org.apache.causeway.viewer.wicket.ui.util.WktComponents;
  
  public class Row
  extends PanelAbstract<ManagedObject, UiObjectWkt>
  implements HasDynamicallyVisibleContent {
  
      private static final long serialVersionUID = 1L;
  
      private static final String ID_ROW_CONTENTS = "rowContents";
  
      private final BSRow bsRow;
  
      public Row(
              final String id,
              final UiObjectWkt objectModel,
              final BSRow bsRow) {
  
          super(id, objectModel);
  
          this.bsRow = bsRow;
  
          buildGui();
      }
  
      private void buildGui() {
  
          final RepeatingViewWithDynamicallyVisibleContent rv =
                  new RepeatingViewWithDynamicallyVisibleContent(ID_ROW_CONTENTS);
  
          for(final BSRowContent bsRowContent: bsRow.getCols()) {
  
              final String id = rv.newChildId();
  
              final WebMarkupContainer rowContent;
              if(bsRowContent instanceof BSCol) {
  
                  final BSCol bsCol = (BSCol) bsRowContent;
                  final Col col = new Col(id, getModel(), bsCol);
  
                  visible = visible || col.isVisible();
                  rowContent = col;
  
              } else if (bsRowContent instanceof BSClearFix) {
                  final BSClearFix bsClearFix = (BSClearFix) bsRowContent;
                  rowContent = new ClearFix(id, getModel(), bsClearFix);
              } else {
                  throw new IllegalStateException("Unrecognized implementation of BSRowContent");
              }
  
              rv.add(rowContent);
          }
  
          final WebMarkupContainer panel = this;
          if(visible) {
              Wkt.cssAppend(panel, "row");
              Wkt.cssAppend(panel, bsRow.getCssClass());
              panel.add(rv);
          } else {
              WktComponents.permanentlyHide(panel, rv.getId());
          }
  
      }
  
      private boolean visible = false;
      @Override
      public boolean isVisible() {
          return visible;
      }
  
  }
  