Application: gvSIG desktop » Library: org.gvsig.tools

package org.gvsig.tools.swing.impl.task;

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.LayoutManager;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Map.Entry;

import javax.swing.BoxLayout;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import org.gvsig.tools.observer.Observable;

import org.gvsig.tools.observer.Observer;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.task.JTaskStatus;

import org.gvsig.tools.swing.api.task.JTasksStatusList;

import org.gvsig.tools.swing.api.task.TaskStatusSwingManager;

import org.gvsig.tools.task.TaskStatus;

import org.gvsig.tools.task.TaskStatusManager;

public class DefaultJTasksStatusList extends JTasksStatusList implements Observer {

        /**

         * 

         */

        private static final long serialVersionUID = 7740032506050392725L;

        TaskStatusManager manager;

        Map<String,JTaskStatus> taskControls;

        JPanel listPanel;

        public DefaultJTasksStatusList(TaskStatusManager manager) {

                this.manager = manager;

                this.taskControls = new HashMap<String, JTaskStatus>();

                this.makeUI();

                this.manager.addObserver(this);

        }

        public TaskStatusManager getManager() {

                return this.manager;

        }

        private void makeUI() {

            this.setLayout(new BorderLayout());

                listPanel = new JPanel();

                listPanel.setLayout(new BoxLayout(listPanel, BoxLayout.Y_AXIS));

                List<JTaskStatus> controlsToAdd = this.getControlsToAdd();

                for (JTaskStatus taskStatus : controlsToAdd) {

                        listPanel.add(taskStatus);

                }

                JScrollPane scroller = new JScrollPane(listPanel);

        scroller.setPreferredSize(new Dimension(300,150));

        this.add(scroller, BorderLayout.CENTER);

        }

        private List<JTaskStatus> getControlsToAdd() {

                List<JTaskStatus> controlsToAdd = new ArrayList<JTaskStatus>();

                TaskStatusSwingManager manager = ToolsSwingLocator.getTaskStatusSwingManager();

                @SuppressWarnings("unchecked")

                Map<String,TaskStatus> tasksStatus = this.manager.getAll();

                Iterator<Entry<String, TaskStatus>> taskStatusIterator = tasksStatus.entrySet().iterator();

                while( taskStatusIterator.hasNext() ) {

                        Entry<String, TaskStatus> entry = taskStatusIterator.next(); 

                        if( this.taskControls.get(entry.getKey())==null ) {

                                JTaskStatus control = manager.createJTaskStatus();

                                control.bind(entry.getValue());

                                controlsToAdd.add(control);

                                this.taskControls.put(entry.getKey(), control);

                        }

                }

                return controlsToAdd;

        }

        public void update(Observable observable, Object notification) {

                if( !(observable instanceof TaskStatusManager) ) {

                        return;

                }

                if( notification==null || !(notification instanceof TaskStatus) ) {

                        return;

                }

                List<JTaskStatus> controlsToAdd = this.getControlsToAdd();

                for (JTaskStatus taskStatus : controlsToAdd) {

                        listPanel.add(taskStatus);

                }

        }

}