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📄 appwidget.java

📁 SRI international 发布的OAA框架软件
💻 JAVA
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/**
 * The contents of this file are subject to the OAA  Community Research
 * 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.ai.sri.com/~oaa/.  Software distributed under the License
 * is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * rights and limitations under the License.  Portions of the software are
 * Copyright (c) SRI International, 1999-2003.  All rights reserved.
 * "OAA" is a registered trademark, and "Open Agent Architecture" is a
 * trademark, of SRI International, a California nonprofit public benefit
 * corporation.
*/

package com.sri.oaa2.agt.startit;

import java.util.*;

import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;

public class AppWidget extends JPanel implements StatusChangeListener {

  private StatusLight light;
  protected AppName nameBtn;
  protected OptionBox options;
  private HostWidget host;
  private JButton helpBtn;

  protected AppBox appBox;
  protected AppInfo info;
  protected JCheckBoxMenuItem hideMenuItem;

  public AppWidget(AppBox box, AppInfo inf) {
    appBox = box;
    info = inf;
      //setBorder(BorderFactory.createEtchedBorder(EtchedBorder.LOWERED));
    info.getProcess().addStatusChangeListener(this);

    GridBagLayout gridbag = new GridBagLayout();
    GridBagConstraints c = new GridBagConstraints();
    setLayout(gridbag);
    int numCols = 0;

    // CREATE: Status light on the extreme left
    light = new StatusLight();
    c.insets = new Insets(9, 4, 0, 0);
    c.gridx = numCols++;
    c.gridy = 0;
    gridbag.setConstraints(light, c);
    add(light);

    /* This doesn't work - the menu btn doesn't grow inside its panel,
       so if you click on the edges nothing happens....
    // CREATE: Space under the App Name pulldown (nameBtn)
    //   (Only way I can be sure nameBtn is a minimum width: put a blank
    //   label under it (at the same grid point) with a set width)
    //   (gridbag seems to heed the setPreferredSize hint, but not
    //   setMinimumSize)
    JLabel minSpace = new JLabel();
    minSpace.setPreferredSize(new Dimension(200,1));
    c.anchor = c.NORTHWEST;
    c.gridx = 1;
    c.fill = c.HORIZONTAL;
    gridbag.setConstraints(minSpace, c);
    add(minSpace);
    */

    // CREATE: App Name pulldown (nameBtn)
    options = new OptionBox(this);
    nameBtn = new AppName(this);
    c.anchor = c.NORTHWEST;
    c.gridx = numCols++;
    c.fill = c.HORIZONTAL;
    gridbag.setConstraints(nameBtn, c);
    add(nameBtn);

    // if there's helptext for this app
    if (info.helptext != null) {
      // CREATE: helpBtn
      helpBtn = new JButton("?");
      helpBtn.setForeground(Color.yellow);
      helpBtn.setBackground(Color.blue.darker());
      helpBtn.setFont(new Font("SansSerif", Font.PLAIN, 18));
      helpBtn.setMargin(new Insets(0,1,0,1));
      helpBtn.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) {
	  // enclose helptext in html tags, so users can use things like <i>, <br>, etc.
	  JOptionPane.showMessageDialog(AppWidget.this, "<html>"+info.helptext+"</html>",
					info.appname,
					JOptionPane.INFORMATION_MESSAGE);
	}
      });

      c.gridx = numCols++;
      c.fill = c.NONE;
      c.anchor = c.CENTER;
      gridbag.setConstraints(helpBtn, c);
      add(helpBtn);
    }

    // CREATE: Hostname selector
    host = new HostWidget();
    host.setHostname(info.host);
    host.setUsername(info.user);
    host.setShell(info.shell);
    c.insets = new Insets(9, 30, 0, 4);
    c.anchor = c.SOUTHEAST;
    c.weightx = 1.0;
    c.gridx = numCols++;
    c.fill = c.NONE;
    gridbag.setConstraints(host, c);
    add(host);

    // CREATE: Big options box containing all the selector widgets
    // (was created above, since nameBtn needed to point to it)
    c.weighty = 1.0;
    c.insets = new Insets(4, 4, 9, 4);
    c.gridx = 1;
    c.gridy = 1;
    c.gridwidth = numCols-1;
    c.fill = c.HORIZONTAL;
    gridbag.setConstraints(options, c);
    add(options);

    // add the options to the OptionBox
    for (Iterator i = info.options.iterator(); i.hasNext(); ) {
      OptionInfo oinfo = (OptionInfo) i.next();
      options.addWidget(oinfo);
    }
  }

  protected void setHideMenuItem(JCheckBoxMenuItem i) {
    hideMenuItem = i;
  }

  public void hide(boolean yn) {
    hideMenuItem.setSelected(!yn);
    info.hidden = yn;
    appBox.showApps();
  }

  public void setBackground(Color c) {
    super.setBackground(c);
    if (nameBtn != null)
      nameBtn.setBackground(c);
    if (host != null)
      host.setBackground(c);
  }

  public void updateInfo() { // update AppInfo from HostWidget
    // 1: update host stuff
    info.host = host.getHostname();
    info.user = host.getUsername();
    info.shell = host.getShell();
    // 2: update options
    options.updateInfo();

 }

  public void expandOptions(boolean grow) {
    nameBtn.setExpanded(grow);
    options.setExpanded(grow);
  }

  public void printStartCommands() {
    appBox.updateStartitInfo();
    info.printStartCommands();
  }

  public void start() {
    appBox.updateStartitInfo();
    info.start();
  }

  public void kill() {
    info.getProcess().kill();
  }

  public void statusChanged(AppInfo info, int status) {
    light.setStatus(status);
    disableOptions(StartitProcess.isBusy(status));
  }

  protected void disableOptions(boolean yn) {
    enableComponentTree(host, yn);
    enableComponentTree(options, yn);
  }

  public static void enableComponentTree(Component p, boolean yn) {
    p.setEnabled(!yn);
    if (!(p instanceof Container)) return;

    Container c = (Container) p;
    int n = c.getComponentCount();

    for(int i = 0; i < c.getComponentCount(); i++) {
      Component kid = c.getComponent(i);
      enableComponentTree(kid, yn);
    }
  }
}

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