Package org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag

Source Code of org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag.TreeNodeRenderer

/*
* 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.myfaces.tobago.renderkit.html.scarborough.standard.tag;

import org.apache.myfaces.tobago.context.ResourceUtils;
import org.apache.myfaces.tobago.internal.component.AbstractUIData;
import org.apache.myfaces.tobago.internal.component.AbstractUITreeNode;
import org.apache.myfaces.tobago.layout.Display;
import org.apache.myfaces.tobago.layout.LayoutBase;
import org.apache.myfaces.tobago.renderkit.css.Classes;
import org.apache.myfaces.tobago.renderkit.css.Style;
import org.apache.myfaces.tobago.renderkit.html.DataAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
import org.apache.myfaces.tobago.util.ComponentUtils;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import java.io.IOException;

public class TreeNodeRenderer extends TreeNodeRendererBase {

  private static final Logger LOG = LoggerFactory.getLogger(TreeNodeRenderer.class);

  protected static final String OPEN_FOLDER
      = ResourceUtils.createString("image", "treeNode", "icon", "open", ResourceUtils.GIF);
  protected static final String CLOSED_FOLDER
      = ResourceUtils.createString("image", "treeNode", "icon", ResourceUtils.GIF);
  protected static final String LEAF
      = ResourceUtils.createString("image", "treeNode", "icon", "leaf", ResourceUtils.GIF);

  @Override
  public void encodeBegin(FacesContext facesContext, UIComponent component) throws IOException {

    final AbstractUITreeNode node = (AbstractUITreeNode) component;
    final AbstractUIData data = ComponentUtils.findAncestor(node, AbstractUIData.class);

    final boolean dataRendersRowContainer = data.isRendersRowContainer();
    final boolean folder = node.isFolder();
    final String clientId = node.getClientId(facesContext);
    final String parentId = data.getRowParentClientId();
    final boolean visible = data.isRowVisible();

    final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);

    writer.startElement(HtmlElements.DIV, null);

    // div id
    writer.writeIdAttribute(clientId);
    if (!folder) {
      HtmlRendererUtils.renderDojoDndItem(node, writer, true);
    }
    writer.writeClassAttribute(Classes.create(node));
    HtmlRendererUtils.writeDataAttributes(facesContext, writer, node);
    if (parentId != null) {
      writer.writeAttribute(DataAttributes.TREE_PARENT, parentId, false);
    }

    Style style = new Style();
    // In the case of a sheet, we need not hiding the node, because the whole TR will be hidden.
    if (!dataRendersRowContainer && !visible) {
      style.setDisplay(Display.NONE);
    }

    // div style (width)
    Style widthStyle = new Style(facesContext, (LayoutBase) data);
    if (widthStyle.getWidth() != null) {
      style.setWidth(widthStyle.getWidth().subtract(22)); // fixme: 4 + 18 for scrollbar
    }
    writer.writeStyleAttribute(style);
  }

  @Override
  public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
    final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
    writer.endElement(HtmlElements.DIV);
  }
}
TOP

Related Classes of org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag.TreeNodeRenderer

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.