net.sf.wcfart.wcf.table.TablePropertiesFormComponent Maven / Gradle / Ivy

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jpivot-wcf code used by the ART reporting tool
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/*
 * ====================================================================
 * This software is subject to the terms of the Common Public License
 * Agreement, available at the following URL:
 *   http://www.opensource.org/licenses/cpl.html .
 * Copyright (C) 2003-2004 TONBELLER AG.
 * All Rights Reserved.
 * You must accept the terms of that agreement to use this software.
 * ====================================================================
 *
 * 
 */
package net.sf.wcfart.wcf.table;

import java.util.HashSet;
import java.util.Set;

import org.apache.log4j.Logger;
import org.jaxen.JaxenException;
import org.jaxen.dom.DOMXPath;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

import net.sf.wcfart.tbutils.res.Resources;
import net.sf.wcfart.wcf.component.Component;
import net.sf.wcfart.wcf.controller.RequestContext;
import net.sf.wcfart.wcf.form.FormComponent;
import net.sf.wcfart.wcf.selection.AbstractSelectionModel;
import net.sf.wcfart.wcf.tree.AbstractTreeModel;
import net.sf.wcfart.wcf.tree.MutableTreeModelDecorator;
import net.sf.wcfart.wcf.tree.NodeRenderer;
import net.sf.wcfart.wcf.tree.TreeComponent;
import net.sf.wcfart.wcf.tree.TreeHandler;
import net.sf.wcfart.wcf.tree.TreeModel;
import net.sf.wcfart.wcf.utils.DomUtils;

/**
 * A form that allows the user to change the properties of a table component.
 * 
 * @author av
 */
public class TablePropertiesFormComponent extends FormComponent {

  private Element closeElement;
  private TableComponent tableComp;
  private Element titleElement;
  private Resources resources;
  private TreeModel mutableTreeModel;
  private TreeModel columnTreeModel;
  private TreeComponent treeComp;

  private static Logger logger = Logger.getLogger(TablePropertiesFormComponent.class);

  public TablePropertiesFormComponent(String id, Component parent, Document document, TableComponent table) {
    super(id, parent, document);
    this.tableComp = table;
    columnTreeModel = new TableColumnTreeModel();
    mutableTreeModel = new MutableTreeModelDecorator(columnTreeModel);
    try {
      DOMXPath dx = new DOMXPath("//title");
      titleElement = (Element) dx.selectSingleNode(getDocument());
      dx = new DOMXPath("./imgButton");
      closeElement = (Element) dx.selectSingleNode(titleElement);
    } catch (JaxenException e) {
      logger.error("?", e);
    }
  }

  public void initialize(RequestContext context) throws Exception {
    super.initialize(context);
    this.resources = context.getResources(TablePropertiesFormComponent.class);

    try {
      DOMXPath dx = new DOMXPath("//skip[@id='" + getId() + ".tree']");
      Element te = (Element) dx.selectSingleNode(getDocument());
      TreeHandler th = (TreeHandler) getHandler(te);
      treeComp = th.getTree();
      treeComp.setNodeRenderer(new TableColumnNodeRenderer());
      treeComp.setSelectionModel(new TableColumnSelectionModel());
    } catch (JaxenException e) {
      logger.error(null, e);
    }

    String title = tableComp.getModel().getTitle();
    if (title != null)
      title = resources.getString("wcf.table.props.title.args", title);
    else
      title = resources.getString("wcf.table.props.title.noargs");
    setTitle(title);
  }

  /**
   * called when the user presses OK
   */
  public void onApply(RequestContext context) throws Exception {
    if (isCloseable())
      setVisible(false);
  }

  /**
   * called when the user presses Cancel
   */
  public void onCancel(RequestContext context) throws Exception {
    if (isCloseable())
      setVisible(false);
  }

  public TreeModel getColumnTreeModel() {
    return mutableTreeModel;
  }

  private class TableColumnTreeModel extends AbstractTreeModel {
    public Object[] getRoots() {
      return tableComp.getTableColumns();
    }
    public boolean hasChildren(Object node) {
      return false;
    }
    public Object[] getChildren(Object node) {
      return null;
    }
    public Object getParent(Object node) {
      return null;
    }
  }

  /**
   * renders a tree node (i.e. a TableColumn)
   */
  private class TableColumnNodeRenderer implements NodeRenderer {
    public Element renderNode(RequestContext context, Document factory, Object node) {
      int colIndex = ((TableColumn) node).getColumnIndex();
      String label = tableComp.getModel().getColumnTitle(colIndex);
      Element nodeElem = factory.createElement(DEFAULT_NODE_ELEMENT_NAME);
      nodeElem.setAttribute("label", label);
      return nodeElem;
    }
  }

  private class TableColumnSelectionModel extends AbstractSelectionModel {
    public TableColumnSelectionModel() {
      super(MULTIPLE_SELECTION);
    }

    public Set