Examples of com.mucommander.ui.main.table.CellLabel

com.mucommander.ui.main.table.CellLabel
A custom JLabel component used by {@link FileTableCellRenderer FileTableCellRenderer} to render table cells.
CellLabel is basically a faster dumbed-down JLabel which overrides some JLabel to be no-ops (see below) and some other (setText, setIcon) to call JLabel's super methods only if value has changed since last call, as very often values don't change from one cell to another. Some methods were borrowed from Sun's DefaultTableCellRender implementation and are marked as much.

Quote from Sun's Javadoc : The table class defines a single cell renderer and uses it as a as a rubber-stamp for rendering all cells in the table; it renders the first cell, changes the contents of that cell renderer, shifts the origin to the new location, re-draws it, and so on.
The standard JLabel component was not designed to be used this way and we want to avoid triggering a revalidate each time the cell is drawn. This would greatly decrease performance because the revalidate message would be passed up the hierarchy of the container to determine whether any other components would be affected. So this class overrides the validate, revalidate, repaint, and firePropertyChange methods to be no-ops. @author Maxence Bernard, Sun Microsystems


        /**
         * Creates a new preview cell renderer.
         */
        public PreviewCellRenderer() {
            label = new CellLabel();
            icon  = new CellLabel();
        }

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        /**
         * Returns the object used to render the specified cell.
         */
        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
            CellLabel currentLabel;


            // Icon label foreground.
            if(column == 0) {
                currentLabel = icon;
                if(row == FOLDER)
                    currentLabel.setIcon(IconManager.getIcon(IconManager.FILE_ICON_SET, CustomFileIconProvider.FOLDER_ICON_NAME));
                else if(row == ARCHIVE)
                    currentLabel.setIcon(IconManager.getIcon(IconManager.FILE_ICON_SET, CustomFileIconProvider.ARCHIVE_ICON_NAME));
                else if(row == SYMLINK)
                    currentLabel.setIcon(symlinkIcon);
                else
                    currentLabel.setIcon(IconManager.getIcon(IconManager.FILE_ICON_SET, CustomFileIconProvider.FILE_ICON_NAME));
            }
            // Text label foreground.
            else {
                currentLabel = label;
                currentLabel.setFont(data.getFont(ThemeData.FILE_TABLE_FONT));
                currentLabel.setText((String)value);
                currentLabel.setForeground(getForegroundColor(row, isSelected));
            }


            // Foreground.
            if(isSelected)
                currentLabel.setOutline(isActive ? data.getColor(ThemeData.FILE_TABLE_SELECTED_OUTLINE_COLOR) :
                                        data.getColor(ThemeData.FILE_TABLE_INACTIVE_SELECTED_OUTLINE_COLOR));
            else
                currentLabel.setOutline(null);


            // Background.
            if(FilePreviewPanel.this.isActive) {
                if(isSelected)
                    currentLabel.setBackground(FilePreviewPanel.this.data.getColor(ThemeData.FILE_TABLE_SELECTED_BACKGROUND_COLOR));
                else
                    currentLabel.setBackground(FilePreviewPanel.this.data.getColor((row % 2 == 0) ? ThemeData.FILE_TABLE_BACKGROUND_COLOR :
                                                                                   ThemeData.FILE_TABLE_ALTERNATE_BACKGROUND_COLOR));
            }
            else {
                if(isSelected)
                    currentLabel.setBackground(FilePreviewPanel.this.data.getColor(ThemeData.FILE_TABLE_INACTIVE_SELECTED_BACKGROUND_COLOR));
                else
                    currentLabel.setBackground(FilePreviewPanel.this.data.getColor((row % 2 == 0) ? ThemeData.FILE_TABLE_INACTIVE_BACKGROUND_COLOR :
                                                                                   ThemeData.FILE_TABLE_INACTIVE_ALTERNATE_BACKGROUND_COLOR));
            }


            return currentLabel;
        }

View Full Code Here

      }


      QuickSearch<T> search = QuickListDataList.this.getQuickSearch();
      boolean matches = search.isActive() ? search.matches(getItemAsString(item)) : true;


      CellLabel label = new CellLabel();
      label.setFont(itemFont);


      label.setText(getItemAsString(item));
      //label.setToolTipText(""+item);


      // Set background color depending on whether the row is selected or not, and whether the table has focus or not
      if (isSelected) {
        label.setBackground(selectedItemBackgound);
        label.setForeground(selectedItemForeground);
      }
      else {
        label.setBackground(matches ? itemBackgound : ThemeCache.unmatchedBackground);
        label.setForeground(matches ? itemForeground : ThemeCache.unmatchedForeground);
      }
      
      return label;
    }

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  protected class DataListItemWithIconRenderer extends DataListItemRenderer {
    
    @Override
        public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
      // Let superclass deal with most of it...
      CellLabel label = (CellLabel) super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);


      // Add its icon
      T item = getListItem(index);
      Icon icon = getImageIconOfItem(item, this.getPreferredSize());
      label.setIcon(icon);


      return label;
    }

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Related Classes of com.mucommander.ui.main.table.CellLabel

com.mucommander.ui.dialog.pref.theme.FilePreviewPanel$PreviewCellRenderer

com.mucommander.ui.quicklist.item.QuickListDataList$DataListItemRenderer

com.mucommander.ui.quicklist.item.QuickListDataListWithIcons$DataListItemWithIconRenderer

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