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

package org.gvsig.tools.swing.serv.field.component;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import java.util.Date;

import java.util.Locale;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JComponent;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ChangeListener;

import org.gvsig.tools.dataTypes.DataTypes;

import org.gvsig.tools.dynobject.DynField;

import org.gvsig.tools.service.ServiceException;

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

import org.gvsig.tools.swing.api.dynobject.ValueChangedListener;

import org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent;

import org.gvsig.tools.swing.api.dynobject.dynfield.ValueField;

import org.gvsig.tools.swing.api.usability.UsabilitySwingManager;

import org.gvsig.tools.swing.api.windowmanager.WindowManager;

import org.gvsig.tools.swing.serv.field.component.date.DateCalendarPicker;

import org.gvsig.tools.swing.serv.field.component.date.JNullValueMuttableTextFieldComponent;

import org.gvsig.tools.swing.spi.AbstractJDynFieldComponent;

public class JDateCalendarDynFieldComponent extends AbstractJDynFieldComponent

                implements JDynFieldComponent, FocusListener, ChangeListener,

                ValueChangedListener, ActionListener {

        private static final String BTN_EMPTY_IMG_PATH = "editdelete.png";

        private static final String DATEPICKER_TITLE = "Choose a date:";

        private JButton jBtnChangeDate;

        private JNullValueMuttableTextFieldComponent dateFieldPanel;

        private Object oldTxt;

        // private Component dlg;

        private WindowManager windowManager;

        private DateCalendarPicker datePicker;

        private UsabilitySwingManager usabilityManager;

        public JDateCalendarDynFieldComponent(DynField definition,

                        ValueField valueField, boolean writable) throws ServiceException {

                super(definition, valueField, writable);

                windowManager = ToolsSwingLocator.getWindowManager();

                if (getDynField().getType() != DataTypes.DATE) {

                        this.getJBtnChangeDate().setVisible(false);

                }

        }

        public void actionPerformed(ActionEvent e) {

                JButton btn = (JButton) e.getSource();

                if (btn.getActionCommand().equals("BTN_OK")) {

                        setValue(getDatePicker().getSelectedDate());

                        this.fireValueChangedEvent();

                }

                close();

        }

        @Override

        protected void afterUI() {

                // TODO Auto-generated method stub

        }

        public JComponent asJComponent() {

                return getModel();

        }

        protected void close() {

                if (datePicker.isVisible()) {

                        datePicker.setVisible(false);

                }

        }

        protected DateCalendarPicker createCalendarPicker(Date date, Locale loc) {

                DateCalendarPicker datePicker = new DateCalendarPicker(this.getDate(),

                                loc);

                datePicker.setPreferredSize(new java.awt.Dimension(450, 410));

                return datePicker;

        }

        public void focusGained(FocusEvent e) {

                oldTxt = getValue();

                if (oldTxt == null) {

                        oldTxt = getDefaultValue();

                }

                setValue(oldTxt);

        }

        public void focusLost(FocusEvent e) {

                Object txt = getValue();

                if (txt == null) {

                        setValue(null);

                } else {

                        oldTxt = txt;

                        setValue(txt);

                }

        }

        protected ImageIcon getBtnEmptyImageIcon() {

                return new ImageIcon(

                                org.gvsig.tools.swing.serv.field.component.JNumberDynFieldComponent.class

                                                .getResource(BTN_EMPTY_IMG_PATH));

        }

        private Date getDate() {

                return (Date) getValue();

        }

        /**

         * This method initializes jButton

         * 

         * @return javax.swing.JButton

         */

        public JButton getJBtnChangeDate() {

                if (jBtnChangeDate == null) { 

                        jBtnChangeDate = new JButton();

                        jBtnChangeDate.setText("...");

                        jBtnChangeDate.setPreferredSize(new java.awt.Dimension(26, 26));

                        jBtnChangeDate.addActionListener(new ActionListener() {

                                public void actionPerformed(ActionEvent event) {

                                        showDialog(getDatePicker());

                                }

                        });

                }

                return jBtnChangeDate;

        }

        private JNullValueMuttableTextFieldComponent getModel() {

                return dateFieldPanel;

        }

        @Override

        public Object getValue() {

                return this.getModel().getTextFieldValue();

        }

        public void handleValueChanged(JDynFieldComponent jDynFieldComponent) {

                this.fireValueChangedEvent();

        }

        public DateCalendarPicker getDatePicker() {

                if (datePicker == null) {

                        datePicker = createCalendarPicker(this.getDate(), getLocale());

                        datePicker.addButtonsActionListener(this);

                }

                return datePicker;

        }

        @Override

        protected void initData() {

                usabilityManager = ToolsSwingLocator.getUsabilitySwingManager();

        }

        @Override

        protected void initUI() {

                this.dateFieldPanel = new JNullValueMuttableTextFieldComponent(this,

                                this.getInitialValue(), Locale.getDefault(),

                                getBtnEmptyImageIcon());

                this.dateFieldPanel.add(this.getJBtnChangeDate());

                this.dateFieldPanel.addValueChangedListener(this);

        }

        private Locale getLocale() {

                return getModel().getLocale();

        }

        @Override

        public boolean isValid() {

                Date date = getDate();

                if ((date == null) && (this.getDynField().isMandatory())) {

                        return false;

                }

                return true;

        }

        public void requestFocus() {

                this.getModel().requestFocus();

                this.fireValueChangedEvent();

        }

        public void setEnabled(boolean isEnabled) {

                getModel().setEnabled(isEnabled);

        }

        @Override

        protected void setJDynFieldComponentListeners() {

        }

        @Override

        protected void setNonNullValue(Object value) {

                this.getModel().setValue(value);

        }

        @Override

        protected void setNullValue() {

                this.getModel().setValue(null);

        }

        @Override

        protected void setReadOnly() {

                this.getModel().setEditable(false);

                this.getJBtnChangeDate().setVisible(false);

        }

        protected void showDialog(DateCalendarPicker datePicker) {

                ToolsSwingLocator.getTaskStatusSwingManager();

                datePicker.setVisible(true);

                datePicker.setSelectedDate(this.getDate());

                windowManager.showWindow(datePicker, translate(DATEPICKER_TITLE),

                                WindowManager.MODE.WINDOW);

        }

        public void stateChanged(ChangeEvent e) {

                this.fireValueChangedEvent();

        }

}