Application: gvSIG desktop » gvSIG scripting

package org.gvsig.scripting.swing.impl.composer;

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;

import javax.swing.DefaultListModel;

import javax.swing.JComponent;

import javax.swing.JList;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTextField;

import javax.swing.ListSelectionModel;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.gvsig.scripting.ScriptingHelpManager;

import org.gvsig.scripting.ScriptingHelpManager.ScriptingHelpClass;

import org.gvsig.scripting.ScriptingHelpManager.ScriptingHelpMethod;

import org.gvsig.scripting.swing.api.ScriptingUIManager;

import org.gvsig.scripting.swing.impl.DialogPanel;

public class JHelpSelection extends JPanel implements DialogPanel, ActionListener{

        /**

         * 

         * 

         */

        private static final long serialVersionUID = -4299714728279029924L;

        protected JList list = null;

        protected ScriptingUIManager uimanager;

        protected ScriptingHelpManager helpmanager;

        protected ActionListener defaultActionlistener = null;

        protected boolean isAcceptActive = true;

        public JHelpSelection(final ScriptingUIManager uimanager,final String text){

                this.uimanager= uimanager;

                this.helpmanager = uimanager.getManager().getHelpManager();

        Map<String, ScriptingHelpMethod> methods =

            uimanager.getManager().getHelpManager().findMethods(text);

                final HashMap<String, String> helpReferences = new HashMap<String, String>();

                ListSelectionListener menuListener = new ListSelectionListener() {

                        public void valueChanged(ListSelectionEvent arg0) {

                                if(arg0.getValueIsAdjusting()){        

                                        String[] s = ((JList)arg0.getSource()).getSelectedValue().toString().split(" - ");

                                        String selection = "";

                                        if(s.length==1){

                                                selection = s[0];

                                        }else{

                                                for(int i=0;i<s.length-1;i++){

                                                        selection=selection+s[i];

                                                }

                                        }

                                launchException(this, 1, helpReferences.get(selection));                                        

                                }

                        }

                };

                DefaultListModel listModel = new DefaultListModel();

                for(int x=0;x<methods.size();x++){

            Set<String> keys = methods.keySet();

                        Object[] l = keys.toArray();

                        ScriptingHelpMethod helpMethod = methods.get(l[x]);

            Iterator<ScriptingHelpClass> it = helpMethod.iterator();

                        while(it.hasNext()){

                                ScriptingHelpClass cn = it.next();

                                if(!(helpReferences.containsKey(helpMethod.getName()) && helpReferences.containsValue(cn.getName()))){

                                        helpReferences.put(cn.getName(),cn.getUrl());

                                }

                        }

                }

                setLayout(new BorderLayout());

                for(int x=0;x<helpReferences.size();x++){

            Set<String> keys = helpReferences.keySet();

                        Object[] l = keys.toArray();

                        listModel.addElement(l[x].toString());

                }

                if(listModel.getSize()!=0){

                        list = new JList(listModel);

                        list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

                        list.setLayoutOrientation(JList.VERTICAL);

                        list.setVisibleRowCount(0);

                        list.addListSelectionListener(menuListener);

                        JScrollPane scroll = new JScrollPane(list);

                        add(scroll,BorderLayout.CENTER);

                        setPreferredSize(new Dimension(300,150));

                }else{

                        JTextField textfield = new JTextField("There isn't any help to the text '"+text+"'.");

                        textfield.setEditable(false);

                        add(textfield,BorderLayout.CENTER);

                        setPreferredSize(new Dimension(300,50));

                        this.isAcceptActive=false;

                }

        }

        @Override

    public void actionAccept() {

                int selected = list.getSelectedIndex();

                if(selected==-1){

                        JOptionPane.showMessageDialog(null, "Please, select any help", "Error", JOptionPane.ERROR_MESSAGE);

                }else{

                        setVisible(false);

                }

        }

        @Override

    public void actionApply() {

        }

        @Override

    public void actionCancel() {

                setVisible(false);

        }

        @Override

    public boolean isVisibleAccept() {

                return this.isAcceptActive;

        }

        @Override

    public boolean isVisibleApply() {

                return false;

        }

        @Override

    public boolean isVisibleCancel() {

                return true;

        }

        private void launchException(Object source, int id, String action){

                this.defaultActionlistener.actionPerformed(

                                new ActionEvent(source,id,action)

                );

        }

        public void actionPerformed(ActionEvent arg0) {

        }

        public void addDefaultActionListener(ActionListener actionlistener) {

                this.defaultActionlistener = actionlistener;  

        }

        public JComponent getJComponent() {

                return this;

        }

}