Application: gvSIG desktop

package org.gvsig.data.commands;

import java.util.ArrayList;

public class CommandCollection extends AbstractCommand{

        ArrayList commands=new ArrayList();

        public boolean isEmpty() {

                return commands.size()==0;

        }

        /**

         * @throws EditionCommandException

         * @see com.iver.cit.gvsig.fmap.edition.Command#undo()

         */

        public void undo() {

        for(int i=commands.size()-1;i>=0;i--){

                ((Command)commands.get(i)).undo();

        }

        }

        /**

         * @throws EditionCommandException

         * @see com.iver.cit.gvsig.fmap.edition.Command#redo()

         */

        public void redo() {

                for (int i=0;i<commands.size();i++){

                        ((Command)commands.get(i)).redo();

                }

        }

        public void add(Command c){

                commands.add(c);

        }

        public String getType() {

                if (commands.size() == 0)

                        return null;

                ArrayList types=new ArrayList(3);

                for (int i=0;i<commands.size();i++) {

                        String type=((Command)commands.get(i)).getType();

                        if (!types.contains(type))

                                types.add(type);

                }

                String type="";

                type=(String)types.get(0);

                for (int i=1;i<types.size();i++) {

                        type=type+"-"+(String)types.get(i);

                }

                return type;

        }

        public void execute() {

                for (int i=0;i<commands.size();i++){

                        ((Command)commands.get(i)).execute();

                }

        }

}