GUIFrontend.java

/* GUIFrontend.java
 *
 * This class draws in a graphic console all information.
 * (c) 2006 Filippo Mondello
 *
 * This file is part of the EduMIPS64 project, and is released under the GNU
 * General Public License.
 *
 * 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 org.edumips64.ui.swing;

import org.edumips64.core.*;
import org.edumips64.utils.*;
import java.awt.*;
import javax.swing.*;
import javax.swing.table.TableColumnModel;
import java.util.logging.Logger;

/**
*This class draws in a graphic console all information.
* @author Filippo Mondello
*/
public class GUIFrontend {

  private GUICycles cycles;
  private GUIRegisters regs;
  private GUIStatistics stats;
  private GUIPipeline pipe;
  private GUIData data;
  private GUICode code;

  // Array containing the six components, useful to write more compact code
  private GUIComponent components[];

  private static final Logger logger = Logger.getLogger(GUIFrontend.class.getName());

  /**Creates the six internal component
  */
  public GUIFrontend(CPU cpu, Memory memory, ConfigStore config) {
    cycles = new GUICycles(cpu, memory, config);
    regs = new GUIRegisters(cpu, memory, config);
    stats = new GUIStatistics(cpu, memory, config);
    pipe = new GUIPipeline(cpu, memory, config);
    data = new GUIData(cpu, memory, config);
    code = new GUICode(cpu, memory, config);

    components = new GUIComponent[6];
    components[0] = cycles;
    components[1] = regs;
    components[2] = stats;
    components[3] = pipe;
    components[4] = data;
    components[5] = code;
  }

  /**Set the container for the Cycles component.
  * @param con the container sent by the main program.
  */
  public void setCyclesContainer(Container con) {
    cycles.setContainer(con);
  }

  /**Set the container for the Registers component.
  * @param con the container sent by the main program.
  */
  public void setRegistersContainer(Container con) {
    regs.setContainer(con);
  }

  /**Set the container for the Statistics component.
  * @param con the container sent by the main program.
  */
  public void setStatisticsContainer(Container con) {
    stats.setContainer(con);
  }

  /**Set the container for the Pipeline component.
  * @param con the container sent by the main program.
  */
  public void setPipelineContainer(Container con) {
    pipe.setContainer(con);
  }

  /**Set the container for the Data component.
  * @param con the container sent by the main program.
  */
  public void setDataContainer(Container con) {
    data.setContainer(con);
  }

  /**Set the container for the Code component.
  * @param con the container sent by the main program.
  */
  public void setCodeContainer(Container con) {
    code.setContainer(con);
  }


  /**
  * This method call the six component's update methods.
  */
  public void updateComponents() {
    if (!SwingUtilities.isEventDispatchThread()) {
      try {
        SwingUtilities.invokeAndWait(() -> {
          for (GUIComponent c : components) {
            c.update();
          }
        });
      } catch (InterruptedException e) {
        logger.info("InterruptedException in GUIFrontend");
      } catch (java.lang.reflect.InvocationTargetException e) {
        logger.info("InvocationTargetException in GUIFrontend");
      }
    } else {
      for (GUIComponent c : components) {
        c.update();
      }
    }
  }

  /**
  * This method call the six components' updateLanguageStrings methods.
  */
  public void updateLanguageStrings() {
    for (GUIComponent c : components) {
      c.updateLanguageStrings();
    }
  }

  /**
  * This method call the six component's draw methods.
  */
  public void represent() {
    if (!SwingUtilities.isEventDispatchThread()) {
      try {
        SwingUtilities.invokeAndWait(() -> {
          for (GUIComponent c : components) {
            c.draw();
          }
        });
      } catch (InterruptedException e) {
        logger.info("InterruptedException in GUIFrontend");
      } catch (java.lang.reflect.InvocationTargetException e) {
        logger.info("InvocationTargetException in GUIFrontend");
      }
    } else {
      for (GUIComponent c : components) {
        c.draw();
      }
    }
  }

  /**
   * Static utility method that saves the column width of a table, redraws
   * its header labels and then restores the widths
   */
  static void updateColumnHeaderNames(JTable table) {
    // We need to save and restore the column widths, because the
    // createDeafultColumnsFromModel(), the method that we use to refresh
    // the column names, restores the default width.
    TableColumnModel tcm = table.getColumnModel();
    int columnCount = tcm.getColumnCount();
    int[] widths = new int[columnCount];

    for (int i = 0; i < columnCount; ++i) {
      widths[i] = tcm.getColumn(i).getWidth();
    }

    // This will update the table header names if the getColumnName method
    // is dynamic, i.e., it queries the locale before returning the label.
    table.createDefaultColumnsFromModel();

    for (int i = 0; i < columnCount; ++i) {
      tcm.getColumn(i).setPreferredWidth(widths[i]);
    }
  }
}