DiffAction.java #5

/*
 *
 * Perforce/JBuilder Opentool
 * Copyright (C) 2002 Mark Ackerman
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

package com.dafreels.opentools.actions;

//JBuilder
import com.borland.primetime.ide.Browser;
import com.borland.primetime.node.Node;
import com.dafreels.opentools.Main;
import com.dafreels.vcs.command.Command;
import com.dafreels.vcs.command.CommandTool;
import com.dafreels.vcs.command.MessageFormatter;
import com.dafreels.vcs.util.ActionImages;

/**
 * Title: Perforce OpenTools
 * Description: run the Perforce diff command on file(s)
 * Copyright:    Copyright (c) 2002
 * Company:
 * @author Mark Ackerman
 * @version 1.0
 */

public class DiffAction extends PerforceAction {
  private static boolean _firstTime = true;
  private static boolean _p4DiffSet = false;

  public DiffAction(boolean onFileTabMenu) {
    super(
      "Diff",
      "Diff client file against Depot file",
      ActionImages.P4_DIFF,
      onFileTabMenu);
    ;
  }

  public void actionPerformed(Browser browser) {
    if (_firstTime) { // check to see if the P4DIFF variable is set.
      checkForDiff();
    }
    com.dafreels.vcs.command.Command cmd =
      new com.dafreels.vcs.command.Command(
        com.dafreels.vcs.command.Command.DIFF);
    Node[] nodes = getSelectedNodes(browser, cmd);
    /*
    //Get a list of the selected nodes
    Node[] nodes = browser.getProjectView().getSelectedNodes(browser.getActiveProject());

    StringBuffer sb = new StringBuffer("diff -f ");
    String tempFileName = "";

    for(int i = 0; i < nodes.length; i++)
    {
    	tempFileName = ((FileNode)nodes[i]).getLongDisplayName();
    	if(m_reg.validateFile(tempFileName))
    	{
    		sb.append(tempFileName+" ");
    	}
    }
    */
    if (cmd.getPathCount() == 0) {
      return;
    }
    runCommand(browser, cmd);
    /*
    //Run the command
    CommandTool.runCommand(sb.toString(), Main.m_props);
    //Output the p4 error messages
    MessageWriter.outputErrorMessages(MessageFormatter.getInstance());
    if ( Main.m_props.showOutput() || !_p4DiffSet )
    {
    	//Output the p4 messages
    	MessageWriter.outputMessages(MessageFormatter.getInstance());
    }
    // how to tell if the files are the same and tell the user?
    */
    //Force JBuilder to check the file status
    if (nodes != null) {
      Main.refreshNodes(nodes);
    }
  }
  /**
   * check to set if the P4DIFF variable is set
   */
  private void checkForDiff() {
    String cmd = "set";
    CommandTool.runCommand(new Command(cmd), Main.m_props);
    MessageFormatter formatter = MessageFormatter.getInstance();
    String msg;
    while ((msg = formatter.getNextMessage()) != null) {
      if (msg.startsWith("P4DIFF")) {
        _p4DiffSet = true;
        break;
      }
    }
    _firstTime = false;
  }
}