Application: gvSIG desktop

package org.gvsig.andami.ui.wizard;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.awt.image.BufferedImage;

import java.util.ArrayList;

import java.util.Iterator;

import javax.swing.ImageIcon;

import javax.swing.JCheckBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.status.IUnsavedData;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.andami.ui.mdiManager.WindowInfo;

import org.gvsig.gui.beans.swing.JButton;

/**

 * Ask for elements to save before application exit

 *

 *

 */

public class UnsavedDataPanel extends JPanel implements IWindow, ActionListener {

        /**

         *

         */

        private static final long serialVersionUID = -4745219917358767905L;

        private static ImageIcon blanckIcon = null;

        private JPanel pResources = null;

        private JPanel pButtons = null;

        private JScrollPane pScrollList = null;

        private myList list = null;

        private JLabel lblDescription = null;

        private JButton botSave = null;

        private JButton botDiscard = null;

        private JButton botDontExit = null;

        private JPanel pActionButtons = null;

        private JPanel pSelectionButtons = null;

        private JButton botSelectAll = null;

        private JButton botDeselectAll = null;

        private ArrayList listeners = new ArrayList();

        private JLabel lblResourceDescription = null;

        private IUnsavedData[] unsavedDataList;

        private String windowTitle = PluginServices.getText(this, "save_resources");

        /**

         * This is the default constructor

         */

        public UnsavedDataPanel(IUnsavedData[] unsavedDatalist) {

                super();

                initialize();

                this.setUnsavedDataArray(unsavedDatalist);

        }

        /**

         * This method initializes this

         *

         * @return void

         */

        private void initialize() {

                BorderLayout borderLayout = new BorderLayout();

                borderLayout.setHgap(5);

                borderLayout.setVgap(5);

                lblDescription = new JLabel();

                lblDescription.setText(PluginServices.getText(this, "select_resources_to_save_before_exit"));

                lblDescription.setPreferredSize(new Dimension(497, 40));

                lblDescription.setName("lblDescription");

                this.setLayout(borderLayout);

                this.setSize(396, 272);

                this.add(getPResources(), java.awt.BorderLayout.CENTER);

                this.add(getPButtons(), java.awt.BorderLayout.SOUTH);

                this.add(lblDescription, BorderLayout.NORTH);

        }

        /**

         * This method initializes pResources

         *

         * @return javax.swing.JPanel

         */

        private JPanel getPResources() {

                if (pResources == null) {

                        pResources = new JPanel();

                        pResources.setLayout(new BorderLayout());

                        pResources.add(getPScrollList(), BorderLayout.CENTER);

                        pResources.add(getLblResourceDescription(), BorderLayout.SOUTH);

                }

                return pResources;

        }

        /**

         * This method initializes lblResourceDescription

         *

         * @return javax.swing.JLabel

         */

        private JLabel getLblResourceDescription() {

                if (lblResourceDescription == null) {

                        lblResourceDescription = new JLabel();

                        lblResourceDescription.setText("");

                        lblResourceDescription.setPreferredSize(new Dimension(38, 50));

                        lblResourceDescription.setName("lblResourceDescription");

                }

                return lblResourceDescription;

        }

        /**

         * This method initializes pButtons

         *

         * @return javax.swing.JPanel

         */

        private JPanel getPButtons() {

                if (pButtons == null) {

                        BorderLayout borderLayout2 = new BorderLayout();

                        borderLayout2.setHgap(5);

                        borderLayout2.setVgap(5);

                        pButtons = new JPanel();

                        pButtons.setLayout(borderLayout2);

                        pButtons.add(getPSelectionButtons(), BorderLayout.NORTH);

                        pButtons.add(getPActionButtons(), BorderLayout.SOUTH);

                }

                return pButtons;

        }

        /**

         * This method initializes pScrollList

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getPScrollList() {

                if (pScrollList == null) {

                        pScrollList = new JScrollPane();

                        pScrollList.setPreferredSize(new java.awt.Dimension(350,350));

                        pScrollList.setViewportView(getList());

                }

                return pScrollList;

        }

        /**

         * This method initializes list

         *

         * @return javax.swing.JList

         */

        private myList getList() {

                if (list == null) {

                        list = new myList();

                        list.setBackground(Color.white);

                }

                return list;

        }

        /**

         * This method initializes botSave

         *

         * @return javax.swing.JButton

         */

        private JButton getBotSave() {

                if (botSave == null) {

                        botSave = new JButton();

                        botSave.setName("botSave");

                        botSave.setToolTipText(PluginServices.getText(this, "save_selected_resources_and_exit"));

                        botSave.setText(PluginServices.getText(this, "ok"));

                        botSave.setActionCommand("Accept");

                        botSave.addActionListener(this);

                }

                return botSave;

        }

        /**

         * This method initializes botDiscard

         *

         * @return javax.swing.JButton

         */

        private JButton getBotDiscard() {

                if (botDiscard == null) {

                        botDiscard = new JButton();

                        botDiscard.setName("botDiscard");

                        botDiscard.setToolTipText(PluginServices.getText(this, "discard_changes_and_exit"));

                        botDiscard.setText(PluginServices.getText(this, "discard_changes"));

                        botDiscard.setActionCommand("Discard");

                        botDiscard.addActionListener(this);

                }

                return botDiscard;

        }

        /**

         * This method initializes botDontExit

         *

         * @return javax.swing.JButton

         */

        private JButton getBotDontExit() {

                if (botDontExit == null) {

                        botDontExit = new JButton();

                        botDontExit.setName("botDontExit");

                        botDontExit.setToolTipText(PluginServices.getText(this, "cancel_the_application_termination"));

                        botDontExit.setText(PluginServices.getText(this, "cancelar"));

                        botDontExit.setActionCommand("Cancel");

                        botDontExit.addActionListener(this);

                }

                return botDontExit;

        }

        /**

         * This method initializes pActionButtons

         *

         * @return javax.swing.JPanel

         */

        private JPanel getPActionButtons() {

                if (pActionButtons == null) {

                        FlowLayout flowLayout = new FlowLayout();

                        flowLayout.setAlignment(FlowLayout.RIGHT);

                        pActionButtons = new JPanel();

                        pActionButtons.setLayout(flowLayout);

                        pActionButtons.setName("pActionButtons");

                        pActionButtons.add(getBotSave(), null);

                        pActionButtons.add(getBotDiscard(), null);

                        pActionButtons.add(getBotDontExit(), null);

                }

                return pActionButtons;

        }

        /**

         * This method initializes pSelectionButtons

         *

         * @return javax.swing.JPanel

         */

        private JPanel getPSelectionButtons() {

                if (pSelectionButtons == null) {

                        FlowLayout flowLayout1 = new FlowLayout();

                        flowLayout1.setAlignment(FlowLayout.LEFT);

                        pSelectionButtons = new JPanel();

                        pSelectionButtons.setLayout(flowLayout1);

                        pSelectionButtons.setName("pSelectionButtons");

                        pSelectionButtons.add(getBotSelectAll(), null);

                        pSelectionButtons.add(getBotDeselectAll(), null);

                }

                return pSelectionButtons;

        }

        /**

         * This method initializes botSelectAll

         *

         * @return javax.swing.JButton

         */

        private JButton getBotSelectAll() {

                if (botSelectAll == null) {

                        botSelectAll = new JButton();

                        botSelectAll.setText(PluginServices.getText(this, "select_all"));

                        botSelectAll.setName("botSelectAll");

                        botSelectAll.setToolTipText(PluginServices.getText(this, "select_all_resources"));

                        botSelectAll.setActionCommand("SelectAll");

                        botSelectAll.addActionListener(this);

                }

                return botSelectAll;

        }

        /**

         * This method initializes botDeselectAll

         *

         * @return javax.swing.JButton

         */

        private JButton getBotDeselectAll() {

                if (botDeselectAll == null) {

                        botDeselectAll = new JButton();

                        botDeselectAll.setName("botDeselectAll");

                        botDeselectAll.setToolTipText(PluginServices.getText(this, "deselect_all_resources"));

                        botDeselectAll.setText(PluginServices.getText(this, "deselect_all"));

                        botDeselectAll.setActionCommand("DeselectAll");

                        botDeselectAll.addActionListener(this);

                }

                return botDeselectAll;

        }

        public WindowInfo getWindowInfo() {

                WindowInfo wi = new WindowInfo(WindowInfo.MODALDIALOG

                                | WindowInfo.RESIZABLE

                                | WindowInfo.MAXIMIZABLE);

                wi.setTitle(windowTitle);

                wi.setHeight(270);

                wi.setWidth(450);

                return wi;

        }

        public void setWindowTitle(String windowTitle) {

                this.windowTitle = windowTitle;

        }

        public void setCancelText(String text, String tooltipText) {

                getBotDontExit().setToolTipText(tooltipText);

                getBotDontExit().setText(text);

        }

        public void setDiscardText(String text, String tooltipText) {

                getBotDiscard().setToolTipText(tooltipText);

                getBotDiscard().setText(text);

        }

        public void setAcceptText(String text, String tooltipText) {

                getBotSave().setToolTipText(tooltipText);

                getBotSave().setText(text);

        }

        public void setHeaderText(String text) {

                lblDescription.setText(text);

        }

        /**

         * Register a listener to call

         *

         * @param a UnsavedDataPanelListener instance

         */

        public void addActionListener(UnsavedDataPanelListener listener){

                this.listeners.add(listener);

        }

        public void removeActionListener(UnsavedDataPanelListener listener){

                this.listeners.remove(listener);

        }

        public class UnsavedDataPanelListener {

                public void cancel(UnsavedDataPanel panel){

                }

                public void accept(UnsavedDataPanel panel){

                }

                public void discard(UnsavedDataPanel panel) {

                }

        }

        private class myList extends JPanel{

                /**

                 *

                 */

                private static final long serialVersionUID = 3179254463477354501L;

                private GridBagConstraints constraints;

                private GridBagConstraints constraintsLast;

                public myList(){

                        super();

                        initialize();

                }

                private void initialize(){

                        this.setLayout(new GridBagLayout());

                        this.constraints = new GridBagConstraints();

                        this.constraints.fill = GridBagConstraints.HORIZONTAL;

                        this.constraints.gridwidth = GridBagConstraints.REMAINDER;

                        this.constraints.weightx =0;

                        this.constraints.gridx =0;

                        this.constraints.gridy=0;

                        this.constraints.anchor = GridBagConstraints.WEST;

                        this.constraints.insets =new Insets(3,3,0,0);

                        this.constraintsLast = new GridBagConstraints();

                        this.constraintsLast.fill = GridBagConstraints.BOTH;

                        this.constraintsLast.gridheight = GridBagConstraints.REMAINDER;

                        this.constraintsLast.gridwidth = GridBagConstraints.REMAINDER;

                        this.constraintsLast.gridx =0;

                        this.constraintsLast.weightx =1;

                        this.constraintsLast.weighty =1;

                        this.constraintsLast.anchor = GridBagConstraints.FIRST_LINE_START;

                }

                public void addItems(IUnsavedData[] itemList){

                        int i;

                        this.removeAll();

                        if (itemList.length == 0){

                                return;

                        }

                        for (i=0;i< itemList.length;i++){

                                this.constraints.gridy = i;

                                this.add(newItem(itemList[i]), this.constraints);

                        }

                        this.constraintsLast.gridy=itemList.length;

                        this.add(new JLabel(),this.constraintsLast);

                }

                public int getItemsCount(){

                        return this.getComponentCount() -1;

                }

                public myUnsavedItem getItem(int i){

                        if (i>= this.getComponentCount()){

                                return null;

                        }

                        return (myUnsavedItem)this.getComponent(i);

                }

                private myUnsavedItem newItem(IUnsavedData itemData){

                        myUnsavedItem item;

                        item = new myUnsavedItem(itemData);

                        item.addMouseListener(new MouseListener(){

                                public void mouseClicked(MouseEvent e) {

                                        myUnsavedItem item = (myUnsavedItem)e.getComponent();

                                        getLblResourceDescription().setText(item.getDescription());

                                }

                                public void mouseEntered(MouseEvent e) {

                                }

                                public void mouseExited(MouseEvent e) {

                                }

                                public void mousePressed(MouseEvent e) {

                                }

                                public void mouseReleased(MouseEvent e) {

                                }

                        });

                        return item;

                }

        }

        private class myUnsavedItem extends JPanel{

                /**

                 *

                 */

                private static final long serialVersionUID = -6280057775368437349L;

                private JCheckBox chkChecked;

                private JLabel lblText;

                private IUnsavedData dataItem;

                public myUnsavedItem(IUnsavedData dataItem ){

                        super();

                        this.initialize();

                        this.setData(dataItem);

                }

                private void initialize(){

                        this.setOpaque(false);

                        BorderLayout layout = new BorderLayout();

                        layout.setHgap(5);

                        this.setLayout(layout);

                        this.add(this.getChkChecked(),BorderLayout.WEST);

                        this.add(this.getLblText(),BorderLayout.CENTER);

                }

                private JLabel getLblText() {

                        if (lblText == null){

                                lblText = new JLabel();

                                lblText.setName("lblText");

                        }

                        return lblText;

                }

                private JCheckBox getChkChecked() {

                        if (chkChecked == null){

                                chkChecked = new JCheckBox();

                                chkChecked.setName("chkChecked");

                                chkChecked.setSelected(true);

                                chkChecked.setOpaque(false);

                        }

                        return chkChecked;

                }

                public boolean isSelected(){

                        return getChkChecked().isSelected();

                }

                public void setSelected(boolean selected){

                        getChkChecked().setSelected(selected);

                }

                public void setData(IUnsavedData dataItem){

                        this.dataItem = dataItem;

                        JLabel lbl = getLblText();

                        if (dataItem.getIcon() != null){

                            ImageIcon ii = IconThemeHelper.getImageIcon(dataItem.getIcon());

                                lbl.setIcon(ii);

                        } else{

                                lbl.setIcon(getBlanckIcon());

                        }

                        lbl.setText(dataItem.getResourceName());

                        getChkChecked().setSelected(true);

                }

                public IUnsavedData getData(){

                        return this.dataItem;

                }

                public String getDescription(){

                        return this.dataItem.getDescription();

                }

                private ImageIcon getBlanckIcon(){

                        if (blanckIcon== null){

                                BufferedImage buff =new BufferedImage(16, 16, BufferedImage.TYPE_INT_ARGB);

                                blanckIcon = new ImageIcon(buff);

                        }

                        return blanckIcon;

                }

        }

        public void actionPerformed(ActionEvent e) {

                if (e.getActionCommand() == "Cancel"){

                        fireDontExitEvent();

                        return;

                }

                if (e.getActionCommand() == "Accept"){

                        fireAcceptEvent();

                        return;

                }

                if (e.getActionCommand() == "Discard") {

                        fireDiscardEvent();

                        return;

                }

                if (e.getActionCommand() == "SelectAll"){

                        selectAll();

                        return;

                }

                if (e.getActionCommand() == "DeselectAll"){

                        deselectAll();

                        return;

                }

        }

        public void close(){

                PluginServices.getMDIManager().closeWindow(this);

        }

        private void fireAcceptEvent() {

                Iterator iter = this.listeners.iterator();

                while (iter.hasNext()){

                        ((UnsavedDataPanelListener)iter.next()).accept(this);

                }

        }

        private void fireDiscardEvent() {

                Iterator iter = this.listeners.iterator();

                while (iter.hasNext()){

                        ((UnsavedDataPanelListener)iter.next()).discard(this);

                }

        }

        private void fireDontExitEvent() {

                Iterator iter = this.listeners.iterator();

                while (iter.hasNext()){

                        ((UnsavedDataPanelListener)iter.next()).cancel(this);

                }

        }

        private void setSelectedsAll( boolean selected){

                int i;

                myList theList = getList();

                myUnsavedItem item;

                for (i=0;i < theList.getItemsCount();i++){

                        item = (myUnsavedItem)theList.getItem(i);

                        item.setSelected(selected);

                }

                theList.doLayout();

        }

        public void deselectAll() {

                this.setSelectedsAll(false);

        }

        public void selectAll() {

                this.setSelectedsAll(true);

        }

        /**

         * Set the resorces to ask for

         *

         * @param IUnsavedData[] resources pending to save

         */

        public void setUnsavedDataArray(IUnsavedData[] unsavedDatalist){

                this.unsavedDataList = unsavedDatalist;

                myList theList = getList();

                theList.addItems(unsavedDatalist);

                theList.validate();

        }

        private IUnsavedData[] getUnsavedData(boolean selected){

                int i;

                myList theList = getList();

                ArrayList aList = new ArrayList();

                myUnsavedItem item;

                IUnsavedData[] result;

                for (i=0;i < theList.getItemsCount();i++){

                        item = (myUnsavedItem)theList.getItem(i);

                        if (item.isSelected() == selected){

                                aList.add(item.getData());

                        }

                }

                result = new IUnsavedData[aList.size()];

                System.arraycopy(aList.toArray(), 0, result, 0, aList.size());

                return result;

        }

        /**

         * Returns the IUnsavedData selecteds for the user to save

         *

         * @return IUnsaveData[] to save

         */

        public IUnsavedData[] getSelectedsUnsavedData(){

                return this.getUnsavedData(true);

        }

        /**

         * Returns the IUnsavedData not selecteds for the user

         *

         * @return IUnsavedData[] to ignore

         */

        public IUnsavedData[] getUnselectedsUnsavedData(){

                return this.getUnsavedData(false);

        }

        public Object getWindowProfile() {

                return WindowInfo.DIALOG_PROFILE;

        }

}  //  @jve:decl-index=0:visual-constraint="10,10"