Package com.eteks.sweethome3d.swing

Source Code of com.eteks.sweethome3d.swing.FurnitureCatalogListPanel$CatalogListModel$CatalogFurnitureListener

/*
* FurnitureCatalogListPanel.java 10 janv 2010
*
* Sweet Home 3D, Copyright (c) 2010 Emmanuel PUYBARET / eTeks <info@eteks.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
package com.eteks.sweethome3d.swing;

import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.dnd.DnDConstants;
import java.awt.event.ActionEvent;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.regex.Pattern;

import javax.imageio.ImageIO;
import javax.swing.AbstractAction;
import javax.swing.AbstractListModel;
import javax.swing.DefaultComboBoxModel;
import javax.swing.DefaultListCellRenderer;
import javax.swing.Icon;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.JViewport;
import javax.swing.KeyStroke;
import javax.swing.LayoutFocusTraversalPolicy;
import javax.swing.ListModel;
import javax.swing.SwingUtilities;
import javax.swing.ToolTipManager;
import javax.swing.TransferHandler;
import javax.swing.UIManager;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

import com.eteks.sweethome3d.model.CatalogPieceOfFurniture;
import com.eteks.sweethome3d.model.CollectionEvent;
import com.eteks.sweethome3d.model.CollectionListener;
import com.eteks.sweethome3d.model.Content;
import com.eteks.sweethome3d.model.FurnitureCatalog;
import com.eteks.sweethome3d.model.FurnitureCategory;
import com.eteks.sweethome3d.model.SelectionEvent;
import com.eteks.sweethome3d.model.SelectionListener;
import com.eteks.sweethome3d.model.UserPreferences;
import com.eteks.sweethome3d.tools.OperatingSystem;
import com.eteks.sweethome3d.tools.URLContent;
import com.eteks.sweethome3d.viewcontroller.FurnitureCatalogController;
import com.eteks.sweethome3d.viewcontroller.View;

/**
* A furniture catalog view that displays furniture in a list, with a combo and search text field.
* @author Emmanuel Puybaret
*/
public class FurnitureCatalogListPanel extends JPanel implements View {
  private ListSelectionListener listSelectionListener;
  private JLabel                categoryFilterLabel;
  private JComboBox             categoryFilterComboBox;
  private JLabel                searchLabel;
  private JTextField            searchTextField;
  private JList                 catalogFurnitureList;

  /**
   * Creates a panel that displays <code>catalog</code> furniture in a list with a filter combo box
   * and a search field.
   */
  public FurnitureCatalogListPanel(FurnitureCatalog catalog,
                                   UserPreferences preferences,
                                   FurnitureCatalogController controller) {
    super(new GridBagLayout());
    createComponents(catalog, preferences, controller);
    setMnemonics(preferences);
    layoutComponents();
  }

  /**
   * Creates the components displayed by this panel.
   */
  private void createComponents(FurnitureCatalog catalog,
                                final UserPreferences preferences,
                                final FurnitureCatalogController controller) {
    final CatalogListModel catalogListModel = new CatalogListModel(catalog);
    this.catalogFurnitureList = new JList(catalogListModel) {
        @Override
        public String getToolTipText(MouseEvent ev) {
          // Return a tooltip for furniture pieces described in the list.
          int index = locationToIndex(ev.getPoint());
          if (index != -1) {
            CatalogPieceOfFurniture piece = (CatalogPieceOfFurniture)getModel().getElementAt(index);
            String tooltip = "<html><table><tr><td align='center'>- <b>" + piece.getCategory().getName() + "</b> -"
                + "<br><b>" + piece.getName() + "</b>";
            if (piece.getCreator() != null) {
              tooltip += "<br>" + preferences.getLocalizedString(FurnitureCatalogTree.class,
                  "tooltipCreator", piece.getCreator() + "</td></tr>");
            }
            if (piece.getIcon() instanceof URLContent) {
              try {
                // Ensure image will always be viewed in a 128x128 pixels cell
                BufferedImage image = ImageIO.read(((URLContent)piece.getIcon()).getURL());
                if (image == null) {
                  return null;
                }
                int width = Math.round(128f * Math.min(1, image.getWidth() / image.getHeight()));
                int height = Math.round((float)width * image.getHeight() / image.getWidth());
                tooltip += "<tr><td width='128' height='128' align='center' valign='middle'><img width='" + width
                    + "' height='" + height + "' src='"
                    + ((URLContent)piece.getIcon()).getURL() + "'></td></tr>";
              } catch (IOException ex) {
                return null;
              }
            }
            return tooltip + "</table>";
          } else {
            return null;
          }
        }
      };
    this.catalogFurnitureList.setLayoutOrientation(JList.HORIZONTAL_WRAP);
    this.catalogFurnitureList.setCellRenderer(new CatalogCellRenderer());
    // Remove Select all action
    this.catalogFurnitureList.getActionMap().getParent().remove("selectAll");
    this.catalogFurnitureList.addMouseMotionListener(new MouseMotionAdapter() {
        public void mouseDragged(MouseEvent ev) {
          if (SwingUtilities.isLeftMouseButton(ev)
              && catalogFurnitureList.getSelectedValue() != null
              && catalogFurnitureList.getTransferHandler() != null) {
            catalogFurnitureList.getTransferHandler().exportAsDrag(catalogFurnitureList, ev, DnDConstants.ACTION_COPY);
          }
        }
      });
    // Add a double click mouse listener to modify selected furniture.
    this.catalogFurnitureList.addMouseListener(new MouseAdapter () {
          @Override
          public void mouseClicked(MouseEvent ev) {
            if (ev.getClickCount() == 2) {
              int clickedPieceIndex = catalogFurnitureList.locationToIndex(ev.getPoint());
              if (clickedPieceIndex != -1) {
                controller.modifySelectedFurniture();
              }
            }
          }
        });

    catalogListModel.addListDataListener(new ListDataListener() {
        public void contentsChanged(ListDataEvent ev) {
          spreadFurnitureIconsAlongListWidth();
        }
 
        public void intervalAdded(ListDataEvent ev) {
          spreadFurnitureIconsAlongListWidth();
        }
 
        public void intervalRemoved(ListDataEvent ev) {
          spreadFurnitureIconsAlongListWidth();
        }
      });
    ToolTipManager.sharedInstance().registerComponent(this.catalogFurnitureList);
    this.catalogFurnitureList.addAncestorListener(new AncestorListener() {
        public void ancestorAdded(AncestorEvent ev) {
          spreadFurnitureIconsAlongListWidth();
        }
 
        public void ancestorMoved(AncestorEvent ev) {
          spreadFurnitureIconsAlongListWidth();
        }
 
        public void ancestorRemoved(AncestorEvent ev) {
        }     
      });
    addComponentListener(new ComponentAdapter() {
        @Override
        public void componentResized(ComponentEvent ev) {
          spreadFurnitureIconsAlongListWidth();
        }
      });
 
    updateListSelectedFurniture(catalog, controller);
    addSelectionListeners(catalog, controller);
   
    this.categoryFilterLabel = new JLabel(preferences.getLocalizedString(
        FurnitureCatalogListPanel.class, "categoryFilterLabel.text"));   
    List<FurnitureCategory> categories = new ArrayList<FurnitureCategory>();
    categories.add(null);
    categories.addAll(catalog.getCategories());
    this.categoryFilterComboBox = new JComboBox(new DefaultComboBoxModel(categories.toArray())) {
        @Override
        public Dimension getMinimumSize() {
          return new Dimension(60, super.getMinimumSize().height);
        }
      };
    this.categoryFilterComboBox.setMaximumRowCount(20);
    this.categoryFilterComboBox.setRenderer(new DefaultListCellRenderer() {
        public Component getListCellRendererComponent(JList list, Object value,
                                                      int index, boolean isSelected, boolean cellHasFocus) {
          if (value == null) {
            return super.getListCellRendererComponent(list,
                preferences.getLocalizedString(FurnitureCatalogListPanel.class, "categoryFilterComboBox.noCategory"),
                index, isSelected, cellHasFocus);
          } else {
            return super.getListCellRendererComponent(list,
                ((FurnitureCategory)value).getName(), index, isSelected, cellHasFocus);
          }
        }
      });
    this.categoryFilterComboBox.addItemListener(new ItemListener() {
        public void itemStateChanged(ItemEvent ev) {
          catalogListModel.setFilterCategory((FurnitureCategory)categoryFilterComboBox.getSelectedItem());
          catalogFurnitureList.clearSelection();
        }
      });
   
    this.searchLabel = new JLabel(preferences.getLocalizedString(
        FurnitureCatalogListPanel.class, "searchLabel.text"));
    this.searchTextField = new JTextField(5);
    this.searchTextField.getDocument().addDocumentListener(new DocumentListener() { 
        public void changedUpdate(DocumentEvent ev) {
          Object selectedValue = catalogFurnitureList.getSelectedValue();
          catalogListModel.setFilterText(searchTextField.getText());
          catalogFurnitureList.clearSelection();
          catalogFurnitureList.setSelectedValue(selectedValue, true);
         
          if (catalogListModel.getSize() == 1) {
            catalogFurnitureList.setSelectedIndex(0);
          }
        }
 
        public void insertUpdate(DocumentEvent ev) {
          changedUpdate(ev);
        }
 
        public void removeUpdate(DocumentEvent ev) {
          changedUpdate(ev);
        }
      });
    this.searchTextField.getInputMap().put(KeyStroke.getKeyStroke("ESCAPE"), "deleteContent");
    this.searchTextField.getActionMap().put("deleteContent", new AbstractAction() {
        public void actionPerformed(ActionEvent ev) {
          searchTextField.setText("");
        }
      });
    if (OperatingSystem.isMacOSXLeopardOrSuperior()) {
      this.searchTextField.putClientProperty("JTextField.variant", "search");
    }
   
    PreferencesChangeListener preferencesChangeListener = new PreferencesChangeListener(this);
    preferences.addPropertyChangeListener(UserPreferences.Property.LANGUAGE, preferencesChangeListener);
    catalog.addFurnitureListener(preferencesChangeListener);
  }
 
  /**
   * Language and catalog listener bound to this component with a weak reference to avoid
   * strong link between preferences and this component. 
   */
  private static class PreferencesChangeListener implements PropertyChangeListener, CollectionListener<CatalogPieceOfFurniture> {
    private final WeakReference<FurnitureCatalogListPanel> furnitureCatalogPanel;

    public PreferencesChangeListener(FurnitureCatalogListPanel furnitureCatalogPanel) {
      this.furnitureCatalogPanel = new WeakReference<FurnitureCatalogListPanel>(furnitureCatalogPanel);
    }

    public void propertyChange(PropertyChangeEvent ev) {
      // If panel was garbage collected, remove this listener from preferences
      FurnitureCatalogListPanel furnitureCatalogPanel = this.furnitureCatalogPanel.get();
      UserPreferences preferences = (UserPreferences)ev.getSource();
      if (furnitureCatalogPanel == null) {
        preferences.removePropertyChangeListener(UserPreferences.Property.LANGUAGE, this);
      } else {
        furnitureCatalogPanel.categoryFilterLabel.setText(preferences.getLocalizedString(
            FurnitureCatalogListPanel.class, "categoryFilterLabel.text"));
        furnitureCatalogPanel.searchLabel.setText(preferences.getLocalizedString(
            FurnitureCatalogListPanel.class, "searchLabel.text"));
        furnitureCatalogPanel.setMnemonics(preferences);
        // Update categories
        List<FurnitureCategory> categories = new ArrayList<FurnitureCategory>();
        categories.add(null);
        categories.addAll(preferences.getFurnitureCatalog().getCategories());
        furnitureCatalogPanel.categoryFilterComboBox.setModel(new DefaultComboBoxModel(categories.toArray()));   
      }
    }
   
    public void collectionChanged(CollectionEvent<CatalogPieceOfFurniture> ev) {
      // If panel was garbage collected, remove this listener from catalog
      FurnitureCatalogListPanel furnitureCatalogPanel = this.furnitureCatalogPanel.get();
      FurnitureCatalog catalog = (FurnitureCatalog)ev.getSource();
      if (furnitureCatalogPanel == null) {
        catalog.removeFurnitureListener(this);
      } else {
        DefaultComboBoxModel model =
            (DefaultComboBoxModel)furnitureCatalogPanel.categoryFilterComboBox.getModel();
        FurnitureCategory category = ev.getItem().getCategory();
        List<FurnitureCategory> categories = catalog.getCategories();
        if (!categories.contains(category)) {
          model.removeElement(category);
          furnitureCatalogPanel.categoryFilterComboBox.setSelectedIndex(0);
        } else if (model.getIndexOf(category) == -1) {
          model.insertElementAt(category, categories.indexOf(category) + 1);
        }
      }
    }
  }

  /**
   * Sets components mnemonics and label / component associations.
   */
  private void setMnemonics(UserPreferences preferences) {
    if (!OperatingSystem.isMacOSX()) {
      this.categoryFilterLabel.setDisplayedMnemonic(KeyStroke.getKeyStroke(preferences.getLocalizedString(
          FurnitureCatalogListPanel.class, "categoryFilterLabel.mnemonic")).getKeyCode());
      this.categoryFilterLabel.setLabelFor(this.categoryFilterComboBox);
      this.searchLabel.setDisplayedMnemonic(KeyStroke.getKeyStroke(preferences.getLocalizedString(
          FurnitureCatalogListPanel.class, "searchLabel.mnemonic")).getKeyCode());
      this.searchLabel.setLabelFor(this.searchTextField);
    }
  }

  /**
   * Layouts the components displayed by this panel.
   */
  private void layoutComponents() {
    int labelAlignment = OperatingSystem.isMacOSX()
        ? GridBagConstraints.LINE_END
        : GridBagConstraints.LINE_START;
    // First row
    Insets labelInsets = new Insets(0, 2, 5, 3);
    Insets componentInsets = new Insets(0, 2, 3, 0);
    if (!OperatingSystem.isMacOSX()) {
      labelInsets.top = 2;
      componentInsets.top = 2;
      componentInsets.right = 2;
    }
    add(this.categoryFilterLabel, new GridBagConstraints(
        0, 0, 1, 1, 0, 0, GridBagConstraints.LINE_START,
        GridBagConstraints.HORIZONTAL, labelInsets, 0, 0));
    add(this.categoryFilterComboBox, new GridBagConstraints(
        1, 0, 1, 1, 0, 0, GridBagConstraints.LINE_START,
        GridBagConstraints.HORIZONTAL, componentInsets, 0, 0));
    // Second row
    if (OperatingSystem.isMacOSXLeopardOrSuperior()) {
      add(this.searchTextField, new GridBagConstraints(
          0, 1, 2, 1, 0, 0, GridBagConstraints.LINE_START,
          GridBagConstraints.HORIZONTAL, new Insets(0, 0, 3, 0), 0, 0));
    } else {
      add(this.searchLabel, new GridBagConstraints(
          0, 1, 1, 1, 0, 0, labelAlignment,
          GridBagConstraints.NONE, labelInsets, 0, 0));
      add(this.searchTextField, new GridBagConstraints(
          1, 1, 1, 1, 0, 0, GridBagConstraints.LINE_START,
          GridBagConstraints.HORIZONTAL, componentInsets, 0, 0));
    }
    // Last row
    JScrollPane listScrollPane = new JScrollPane(this.catalogFurnitureList);
    listScrollPane.setPreferredSize(new Dimension(250, 250));
    listScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
    add(listScrollPane,
        new GridBagConstraints(
        0, 2, 2, 1, 1, 1, GridBagConstraints.CENTER,
        GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
    SwingTools.installFocusBorder(this.catalogFurnitureList);
   
    setFocusTraversalPolicyProvider(true);
    setFocusTraversalPolicy(new LayoutFocusTraversalPolicy() {
        @Override
        public Component getDefaultComponent(Container aContainer) {
            EventQueue.invokeLater(new Runnable() {
              public void run() {
                // Return furniture list only at the first request 
                setFocusTraversalPolicyProvider(false);
              }
            });
          return catalogFurnitureList;
        }
      });
  }

  /**
   * Computes furniture list visible row count to ensure its horizontal scrollbar
   * won't be seen.
   */
  private void spreadFurnitureIconsAlongListWidth() {
    int size = this.catalogFurnitureList.getModel().getSize();
    int extentWidth = ((JViewport)this.catalogFurnitureList.getParent()).getExtentSize().width;
    // Compute a fixed cell width that will spread
    Dimension rendererPreferredSize = ((JComponent)this.catalogFurnitureList.getCellRenderer()).getPreferredSize();
    int minCellWidth = rendererPreferredSize.width;
    int visibleItemsPerRow = Math.max(1, extentWidth / minCellWidth);
    this.catalogFurnitureList.setVisibleRowCount(size % visibleItemsPerRow == 0
        ? size / visibleItemsPerRow
        : size / visibleItemsPerRow + 1);
    this.catalogFurnitureList.setFixedCellWidth(minCellWidth + (extentWidth % minCellWidth) / visibleItemsPerRow);
    // Set also cell height otherwise first calls to repaint done by icon manager won't repaint it
    // because the list have a null size at the beginning 
    this.catalogFurnitureList.setFixedCellHeight(rendererPreferredSize.height);
  }
 
  /**
   * Adds the listeners that manage selection synchronization in this tree.
   */
  private void addSelectionListeners(final FurnitureCatalog catalog,
                                     final FurnitureCatalogController controller) {
    final SelectionListener modelSelectionListener = new SelectionListener() {
        public void selectionChanged(SelectionEvent selectionEvent) {
          updateListSelectedFurniture(catalog, controller);       
        }
      };
    this.listSelectionListener = new ListSelectionListener() {
        public void valueChanged(ListSelectionEvent ev) {         
          // Updates selected furniture in catalog from selected nodes in tree.
          controller.removeSelectionListener(modelSelectionListener);
          controller.setSelectedFurniture(getSelectedFurniture());
          controller.addSelectionListener(modelSelectionListener);
        }
      };
     
    controller.addSelectionListener(modelSelectionListener);
    this.catalogFurnitureList.getSelectionModel().addListSelectionListener(this.listSelectionListener);
  }
 
  /**
   * Updates selected items in list from <code>controller</code> selected furniture.
   */
  private void updateListSelectedFurniture(FurnitureCatalog catalog,
                                           FurnitureCatalogController controller) {
    if (this.listSelectionListener != null) {
      this.catalogFurnitureList.getSelectionModel().removeListSelectionListener(this.listSelectionListener);
    }
   
    this.catalogFurnitureList.clearSelection();
    List<CatalogPieceOfFurniture> selectedFurniture = controller.getSelectedFurniture();
    if (selectedFurniture.size() > 0) {
      ListModel model = this.catalogFurnitureList.getModel();
      List<Integer> selectedIndices = new ArrayList<Integer>();
      for (CatalogPieceOfFurniture piece : selectedFurniture) {
        for (int i = 0, n = model.getSize(); i < n; i++) {
          if (piece == model.getElementAt(i)) {
            selectedIndices.add(i);
            break;         
          }
        }
      }
      int [] indices = new int [selectedIndices.size()];
      for (int i = 0; i < indices.length; i++) {
        indices [i] = selectedIndices.get(i);
      }
      this.catalogFurnitureList.setSelectedIndices(indices);
      this.catalogFurnitureList.ensureIndexIsVisible(indices [0]);
    }
   
    if (this.listSelectionListener != null) {
      this.catalogFurnitureList.getSelectionModel().addListSelectionListener(this.listSelectionListener);
    }
  }

  /**
   * Returns the selected furniture in list.
   */
  private List<CatalogPieceOfFurniture> getSelectedFurniture() {
    Object [] selectedValues = this.catalogFurnitureList.getSelectedValues();
    CatalogPieceOfFurniture [] selectedFurniture = new CatalogPieceOfFurniture [selectedValues.length];
    System.arraycopy(selectedValues, 0, selectedFurniture, 0, selectedValues.length);
    return Arrays.asList(selectedFurniture);
  }
 
  /**
   * Sets the transfer handler of the list displayed by this panel.
   */
  @Override
  public void setTransferHandler(TransferHandler handler) {
    this.catalogFurnitureList.setTransferHandler(handler);
  }

  /**
   * Returns the transfer handler of the list displayed by this panel.
   */
  @Override
  public TransferHandler getTransferHandler() {
    return this.catalogFurnitureList.getTransferHandler();
  }
 
  /**
   * Sets the popup menu of the list displayed by this panel.
   */
  @Override
  public void setComponentPopupMenu(JPopupMenu popup) {
    this.catalogFurnitureList.setComponentPopupMenu(popup);
  }
 
  /**
   * Returns the popup menu of the list displayed by this panel.
   */
  @Override
  public JPopupMenu getComponentPopupMenu() {
    return this.catalogFurnitureList.getComponentPopupMenu();
  }
 
  /**
   * Cell renderer for the furniture list.
   */
  private static class CatalogCellRenderer extends DefaultListCellRenderer {
    private static final int DEFAULT_ICON_HEIGHT = 48;
    private Font defaultFont;
    private Font modifiablePieceFont;
   
    {
      setHorizontalTextPosition(JLabel.CENTER);
      setVerticalTextPosition(JLabel.BOTTOM);
      setHorizontalAlignment(JLabel.CENTER);
      this.defaultFont = UIManager.getFont("ToolTip.font");
      this.modifiablePieceFont = new Font(this.defaultFont.getFontName(), Font.ITALIC, this.defaultFont.getSize());
      setFont(this.defaultFont);
      setText("");
      setIcon(IconManager.getInstance().getWaitIcon(DEFAULT_ICON_HEIGHT));
    }
   
    @Override
    public Component getListCellRendererComponent(JList list,
                                                  Object value,
                                                  int index,
                                                  boolean isSelected,
                                                  boolean cellHasFocus) {
      CatalogPieceOfFurniture piece = (CatalogPieceOfFurniture)value;
      // Get default label with its icon, background and focus colors
      JLabel label = (JLabel)super.getListCellRendererComponent(list,
          value, index, isSelected, cellHasFocus);
      label.setText(" " + piece.getName() + " ");
      label.setIcon(getLabelIcon(list, piece.getIcon()));
      label.setFont(piece.isModifiable()
          ? this.modifiablePieceFont : this.defaultFont);
      return label;
    }

    private Icon getLabelIcon(JList list, Content content) {
      return IconManager.getInstance().getIcon(content, DEFAULT_ICON_HEIGHT, list);
    }
   
    @Override
    protected void paintComponent(Graphics g) {
      // Force text anti aliasing on texts
      ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
          RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
      super.paintComponent(g);
    }
   
    @Override
    public Dimension getPreferredSize() {
      return new Dimension(DEFAULT_ICON_HEIGHT * 3 / 2 + 5, super.getPreferredSize().height);
    }
  }
 
  /**
   * List model adaptor to CatalogPieceOfFurniture instances of catalog. 
   */
  private static class CatalogListModel extends AbstractListModel {
    private FurnitureCatalog              catalog;
    private List<CatalogPieceOfFurniture> furniture;
    private FurnitureCategory             filterCategory;
    private Pattern                       filterNamePattern;
   
    public CatalogListModel(FurnitureCatalog catalog) {
      this.catalog = catalog;
      this.furniture = new ArrayList<CatalogPieceOfFurniture>();
      this.filterNamePattern = Pattern.compile(".*");
      catalog.addFurnitureListener(new CatalogFurnitureListener(this));
      updateFurnitureList();
    }

    public void setFilterCategory(FurnitureCategory filterCategory) {
      this.filterCategory = filterCategory;
      updateFurnitureList();
    }

    public void setFilterText(String filterText) {
      this.filterNamePattern = Pattern.compile(".*" + filterText + ".*", Pattern.CASE_INSENSITIVE);
      updateFurnitureList();
    }

    public Object getElementAt(int index) {
      return this.furniture.get(index);
    }

    public int getSize() {
      return this.furniture.size();
    }
   
    private void updateFurnitureList() {
      this.furniture.clear();
      for (FurnitureCategory category : this.catalog.getCategories()) {
        for (CatalogPieceOfFurniture piece : category.getFurniture()) {
          if ((this.filterCategory == null
               || piece.getCategory().equals(this.filterCategory))
               && (this.filterNamePattern.matcher(piece.getName()).matches()
                   || this.filterNamePattern.matcher(piece.getCategory().getName()).matches()                  
                   || (piece.getCreator() != null && this.filterNamePattern.matcher(piece.getCreator()).matches())
                   || (piece.getDescription() != null && this.filterNamePattern.matcher(piece.getDescription()).matches()))) {
            this.furniture.add(piece);
          }
        }
      }
      Collections.sort(this.furniture);
      fireContentsChanged(this, 0, this.furniture.size() - 1);
    }
   
    /**
     * Catalog furniture listener bound to this tree model with a weak reference to avoid
     * strong link between catalog and this tree. 
     */
    private static class CatalogFurnitureListener implements CollectionListener<CatalogPieceOfFurniture> {
      private WeakReference<CatalogListModel>  catalogListModel;

      public CatalogFurnitureListener(CatalogListModel catalogListModel) {
        this.catalogListModel = new WeakReference<CatalogListModel>(catalogListModel);
      }
     
      public void collectionChanged(CollectionEvent<CatalogPieceOfFurniture> ev) {
        // If catalog tree model was garbage collected, remove this listener from catalog
        CatalogListModel catalogTreeModel = this.catalogListModel.get();
        FurnitureCatalog catalog = (FurnitureCatalog)ev.getSource();
        if (catalogTreeModel == null) {
          catalog.removeFurnitureListener(this);
        } else {
          catalogTreeModel.updateFurnitureList();
        }
      }
    }
  }
}
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Related Classes of com.eteks.sweethome3d.swing.FurnitureCatalogListPanel$CatalogListModel$CatalogFurnitureListener

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