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.widgets.bootstrap;
  
  import org.apache.wicket.Component;
  import org.apache.wicket.MarkupContainer;
  import org.apache.wicket.ajax.AjaxRequestTarget;
  import org.apache.wicket.markup.html.WebMarkupContainer;
  import org.apache.wicket.model.IModel;
  
  import org.apache.causeway.viewer.wicket.model.models.ActionPrompt;
  import org.apache.causeway.viewer.wicket.ui.util.Wkt;
  
  import de.agilecoders.wicket.core.markup.html.bootstrap.dialog.Modal;
  import de.agilecoders.wicket.extensions.markup.html.bootstrap.behavior.Draggable;
  import de.agilecoders.wicket.extensions.markup.html.bootstrap.behavior.DraggableConfig;
  
  /**
   * A base class for all modal dialogs
   */
  public class ModalDialog<T>
  extends Modal<T>
  implements ActionPrompt {
  
      private static final long serialVersionUID = 1L;
  
      public ModalDialog(final String markupId) {
          this(markupId, null);
      }
  
      public ModalDialog(final String id, final IModel<T> model) {
          super(id, model);
          setFadeIn(false);
          setUseKeyboard(true);
          setDisableEnforceFocus(true);
          setOutputMarkupPlaceholderTag(true);
          Wkt.containerAdd(this, getContentId()); // initial empty content
      }
  
      @Override
      public void setTitle(final Component component, final AjaxRequestTarget target) {
          ((MarkupContainer)get("dialog:header")).addOrReplace(component);
      }
  
      @Override
      public void setPanel(final Component component, final AjaxRequestTarget target) {
          addOrReplace(component);
          showPrompt(target);
      }
  
      @Override
      public void showPrompt(final AjaxRequestTarget target) {
          setVisible(true);
          target.add(this);
          show(target);
      }
  
      @Override
      public String getTitleId() {
          return "header-label";
      }
  
      @Override
      public String getContentId() {
          return "content";
      }
  
      @Override
      public void closePrompt(final AjaxRequestTarget target) {
          addJavaScriptForClosing(target);
          setVisible(false);
      }
  
      @Override
      protected WebMarkupContainer createDialog(final String id) {
          WebMarkupContainer dialog = super.createDialog(id);
          Wkt.cssAppend(dialog, "modal-lg modal-dialog-center");
          dialog.add(new Draggable(new DraggableConfig().withHandle(".modal-header").withCursor("move")));
          return dialog;
      }
  
      // -- HELPER
  
      private void addJavaScriptForClosing(final AjaxRequestTarget target) {
          if (target != null) {
              close(target);
          }
      }
  
  }
  