gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.swing / org.gvsig.tools.swing.impl / src / main / java / org / gvsig / tools / swing / impl / dynobject / dynfield / JNDynFieldComponent.java @ 270
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2010 Institute of New Imaging Technologies (INIT):
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* http://www.init.uji.es
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* Geographic Information research group:
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* http://www.geoinfo.uji.es
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* Universitat Jaume I, Spain
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*/
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/**
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*
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*/
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package org.gvsig.tools.swing.impl.dynobject.dynfield; |
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import java.awt.BorderLayout; |
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import java.awt.Component; |
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import java.awt.GridBagConstraints; |
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import java.awt.GridBagLayout; |
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import java.awt.Insets; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.util.List; |
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import javax.swing.BorderFactory; |
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import javax.swing.JButton; |
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import javax.swing.JComponent; |
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import javax.swing.JList; |
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import javax.swing.JPanel; |
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import javax.swing.JScrollPane; |
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import javax.swing.ListSelectionModel; |
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import javax.swing.event.ListSelectionEvent; |
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import javax.swing.event.ListSelectionListener; |
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import org.gvsig.tools.dataTypes.DataTypes; |
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import org.gvsig.tools.dynobject.DynField; |
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import org.gvsig.tools.service.ServiceException; |
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import org.gvsig.tools.swing.api.ToolsSwingLocator; |
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import org.gvsig.tools.swing.api.dynobject.ValueChangedListener; |
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import org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent; |
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import org.gvsig.tools.swing.api.dynobject.dynfield.ValueField; |
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import org.gvsig.tools.swing.spi.DelegatedJFieldComponent; |
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/**
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* @author <a href="mailto:reinhold@uji.es">cmartin</a>
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*
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*/
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public class JNDynFieldComponent extends DelegatedJFieldComponent implements |
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JDynFieldComponent, ListSelectionListener, ValueChangedListener {
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private static final int MINIMUM_LIST_SIZE = 5; |
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private static final Object UNKNOWN = "unknown"; |
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private JList list; |
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private JButton sbutton; |
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private JButton jbutton; |
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// private DefaultListModel model;
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private JPanel panel; |
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private JScrollPane listScrollPane; |
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private NValueField items;
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private JPanel upperSubPanel; |
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// private DynField defaultField;
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/**
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* @param serviceManager
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* @param dynObject
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* @param dynField
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*/
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public JNDynFieldComponent(ValueField parent, DynField dynField) {
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super(parent, dynField);
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this.addValueChangedListener(this); |
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} |
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private void addElement(Object element) { |
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Object[] values = |
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this.getDynField().getElementsType().getAvailableValues();
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if (values != null) |
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items.addElement(element, values[(Integer) element]);
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else
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if (this.getDynField().getElementsType().getType() == DataTypes.BOOLEAN) |
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if (element == null) |
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items.addElement(element, UNKNOWN); |
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else
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items.addElement(element, element); |
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else
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items.addElement(element, element); |
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this.list.setSelectedIndex(items.getSize() - 1); |
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} |
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private void setValue(Object element, int index) { |
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Object[] values = |
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this.getDynField().getElementsType().getAvailableValues();
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if (element instanceof Integer) { |
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int ind = (Integer) element; |
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if ((values != null) && (ind > -1)) |
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items.setValue(index, element, values[(Integer) element]);
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else
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items.setValue(index, element, element); |
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} else
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if (this.getDynField().getElementsType().getType() == DataTypes.BOOLEAN) |
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if (element == null) |
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items.setValue(index, element, UNKNOWN); |
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else
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items.setValue(index, element, element); |
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else
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items.setValue(index, element, element); |
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this.list.setSelectedIndex(index);
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} |
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// private void addElement(int index, Object item, boolean
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// addItemToInnerList) {
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// addItem(index,item);
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// // if (addItemToInnerList)
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// // this.items.add(index,item);
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//
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// if (index>=0)
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// this.list.setSelectedIndex(index);
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// }
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// /**
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// * @param parent
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// * @param dynField
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// * @return
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// */
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// private static JDynFieldComponent createComponent(ValueField parent,
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// DynField dynField) {
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// ToolsSwingLocator.getDynObjectSwingManager()
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// .createJDynFieldComponent(this, dynField.getElementsType());
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//
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// }
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// /**
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// * @param object
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// * @param object2
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// */
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// private void addItem(Integer index, Object value) {
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// if (value==null) return;
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// if (index!=null){
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// this.items.add(index, value);
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// }else
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// this.items.add(value);
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// // this.items.setValue(value);
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// }
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/**
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*
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*/
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protected void afterUI() { |
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//
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// Object valueItems = getFieldValue();
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// if (valueItems instanceof List) {
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// populateItems((List) valueItems);
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// }
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refresh(); |
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} |
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private JButton createButton(String text) { |
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return ToolsSwingLocator.getUsabilitySwingManager().createJToolButton(
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text.toString()); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.tools.swing.api.dynobject.JComponent#getComponent()
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*/
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public JComponent asJComponent() { |
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return this.panel; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.tools.swing.api.dynobject.dynfield.ValueField#getDefaultValue()
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*/
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public Object getDefaultValue() { |
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return this.getDynField().getDefaultValue(); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.tools.swing.spi.DelegatedJFieldComponent#getFieldValue()
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*/
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@Override
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public Object getFieldValue() { |
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Object value = getParentValueField().getValue();
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if (value == null) |
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value = getParentValueField().getDefaultValue(); |
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return value;
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// Object value = this..getValue();
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// if (value==null)
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// value = parentValues.getDefaultValue();
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// return value;
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.tools.swing.spi.DelegatedJFieldComponent#getValue()
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*/
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@Override
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public Object getValue() { |
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if (this.list == null) |
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return null; |
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if (this.getDynField().getType() == DataTypes.STRING) |
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return this.list.getSelectedValue(); |
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return this.list.getSelectedIndex(); |
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} |
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/**
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*
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*/
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private void initBoxLayout() { |
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panel = new JPanel(new BorderLayout(2, 2)); |
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panel.setBorder(BorderFactory.createTitledBorder("")); |
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JPanel subPanel = new JPanel(new GridBagLayout()); |
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// subPanel.setBorder(BorderFactory.createTitledBorder(""));
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list.setVisibleRowCount(4);
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// list.setLayout(new GridBagLayout());
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GridBagConstraints c = new GridBagConstraints(); |
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// c.insets = new Insets(2, 2, 2, 2);
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// c.anchor = GridBagConstraints.PAGE_START;
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// c.ipadx = 0;
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// c.fill = GridBagConstraints.HORIZONTAL;
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listScrollPane = new JScrollPane(list); |
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listScrollPane.setViewportView(this.list);
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// Adding elements
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c.insets = new Insets(2, 2, 2, 2); |
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c.anchor = GridBagConstraints.LINE_START;
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c.ipadx = 0;
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c.weightx = 0.75;
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c.fill = GridBagConstraints.HORIZONTAL;
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c.gridx = 0;
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c.gridy = 0;
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subPanel.add((Component) component.asJComponent(), c);
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// c.insets = new Insets(2, 2, 2, 2);
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c.gridx = 1;
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c.gridy = 0;
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c.weightx = 0.0; // 0 |
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c.fill = GridBagConstraints.NONE;
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c.anchor = GridBagConstraints.LINE_END;
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subPanel.add(jbutton, c); |
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panel.add(subPanel, BorderLayout.NORTH);
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this.upperSubPanel = panel;
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subPanel = new JPanel(new GridBagLayout()); |
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c.insets = new Insets(2, 2, 2, 2); |
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c.anchor = GridBagConstraints.LINE_START;
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c.ipadx = 0;
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c.weightx = 0.75;
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c.ipady = 40;
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c.fill = GridBagConstraints.HORIZONTAL;
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c.gridx = 0;
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c.gridy = 0;
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subPanel.add(this.listScrollPane, c);
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c.insets = new Insets(4, 2, 2, 2); |
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c.gridx = 1;
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c.gridy = 0;
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c.ipady = 0;
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c.weightx = 0.0; // 0 |
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c.fill = GridBagConstraints.RELATIVE;
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c.anchor = GridBagConstraints.PAGE_START;
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subPanel.add(sbutton, c); |
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panel.add(subPanel); |
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// c.fill = GridBagConstraints.HORIZONTAL;
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// // c.anchor = GridBagConstraints.LAST_LINE_END;
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// // c.gridx = 7; // Cell start at (2,0)
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// // c.gridy = 5;
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// // c.gridheight = 0; // span of 2
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// // c.gridwidth = 0; // no span
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// //// c.gridheight = 0; // no span
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// //// c.weightx = 0.5; //
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// panel.add(sbutton,c);
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// panel.add((Component) component.getComponent(),
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// BorderLayout.PAGE_START);
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// c.fill = GridBagConstraints.HORIZONTAL;
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// c.ipady = 2; //reset to default
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// c.weighty = 1.0; //request any extra vertical space
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// c.anchor = GridBagConstraints.PAGE_END; //bottom of space
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// c.insets = new Insets(10,0,0,0); //top padding
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// c.gridx = 1; //aligned with button 2
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// c.gridwidth = 2; //2 columns wide
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// c.gridy = 2; //third row
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// pane.add(button, c);
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//
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// JPanel pane = createGridBagLayout((Component)
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// component.getComponent(),jbutton, 1,1,null);
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} |
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protected void initData() { |
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// Creates a list that allows adds and removes
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this.items = getValueField();
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} |
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public void initJButtons() { |
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sbutton = createButton("-");
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sbutton.setActionCommand("-");
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sbutton.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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removeElement(list.getSelectedIndex()); |
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refresh(); |
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} |
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}); |
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jbutton = createButton("+");
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jbutton.setActionCommand("+");
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jbutton.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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// add at the end of the list
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if (component.isValid()) {
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addElement(component.getValue()); |
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refresh(); |
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} |
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} |
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}); |
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} |
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/**
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*
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*/
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private void initJList() { |
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this.list = new JList(this.items); |
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this.list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); |
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this.list.addListSelectionListener(this); |
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if (this.items.getSize() > 0) |
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this.list.setSelectedIndex(0); |
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} |
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/**
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* @throws ServiceException
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*
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*/
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protected void initUI() { |
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initJList(); |
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initJButtons(); |
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initBoxLayout(); |
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// initListPanel();
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refresh(); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#isValid()
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*/
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public boolean isValid() { |
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return this.component.isValid(); |
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} |
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/**
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*
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*/
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private void populateItems(List items) { |
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if (items == null) |
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return;
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else
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this.items.setValue(items);
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// if (!items.isEmpty())
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// this.list.setSelectedIndex(0);
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} |
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public void refresh() { |
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if ((items.isEmpty()) || (list.getSelectedIndex() < 0)) { |
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this.sbutton.setEnabled(false); |
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this.component.requestFocus();
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} else
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this.sbutton.setEnabled(true); |
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} |
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private void removeElement(int ind) { |
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if ((ind >= 0) && (ind < this.items.getSize())) |
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removeItem(ind); |
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if (items.getSize() < 0) |
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sbutton.setEnabled(false);
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else {
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if (ind > 0) |
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this.list.setSelectedIndex(ind - 1); |
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} |
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resize(); |
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} |
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/**
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* @param ind
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*/
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private void removeItem(int ind) { |
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// model.removeElement(model.get(ind));
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this.items.removeElement(ind);
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#requestFocus
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* ()
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*/
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public void requestFocus() { |
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this.component.requestFocus();
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} |
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/**
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*
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*/
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private void resize() { |
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// int list_height = this.list.getSize().height;
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// int scrollpane_width = this.listScrollPane.getSize().width;
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// int scrollpane_height = this.listScrollPane.getSize().height;
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// int min_height = this.listScrollPane.getMinimumSize().height;
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//
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// if (scrollpane_height!=list_height)
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// if (list_height < min_height)
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// this.listScrollPane.setSize(scrollpane_width,min_height);
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// else
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// this.listScrollPane.setSize(scrollpane_width,list_height);
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// this.listScrollPane.revalidate();
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// this.panel.revalidate();
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} |
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|
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/*
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* (non-Javadoc)
|
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*
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* @see org.gvsig.tools.swing.spi.DelegatedJFieldComponent#saveStatus()
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*/
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public void saveStatus() { |
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// for (int i=0;i<this.model.size();i++){
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// this.items.addItem(i,this.model.get(i));
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// }
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setFieldValue(this.items);
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} |
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|
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/*
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* (non-Javadoc)
|
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*
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* @see
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* org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#setEnabled
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* (boolean)
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*/
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public void setEnabled(boolean isEnabled) { |
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if ((isEnabled) && (this.getDynField().isReadOnly())) |
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return;
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this.sbutton.setVisible(isEnabled);
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this.upperSubPanel.setEnabled(isEnabled);
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} |
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/*
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* (non-Javadoc)
|
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*
|
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* @see
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* org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#setFieldValue
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* (java.lang.Object)
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*/
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public void setFieldValue(Object value) { |
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this.getParentValueField().setValue(value);
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} |
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|
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/*
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* (non-Javadoc)
|
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*
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* @see org.gvsig.tools.swing.spi.AbstractJDynField#setReadOnly()
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*/
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@Override
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protected void setReadOnly() { |
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this.setEnabled(false); |
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} |
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|
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/*
|
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* (non-Javadoc)
|
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*
|
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* @see
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* org.gvsig.tools.swing.spi.DelegatedJFieldComponent#setValue(java.lang
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* .Object)
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*/
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@Override
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public void setValue(Object value) { |
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if (value instanceof List) { |
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this.items.setValue((List) value); |
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} else {
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this.list.setSelectedValue(value, true); |
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} |
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this.fireValueChangedEvent();
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} |
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|
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/*
|
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* (non-Javadoc)
|
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*
|
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* @see
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539 |
* javax.swing.event.ListSelectionListener#valueChanged(javax.swing.event
|
540 |
* .ListSelectionEvent)
|
541 |
*/
|
542 |
public void valueChanged(ListSelectionEvent e) { |
543 |
if (list.getSelectedIndex() >= 0) { |
544 |
this.component.setValue(this.items.getElementAt(list |
545 |
.getSelectedIndex())); |
546 |
// this.list.setVisibleRowCount(model.getSize());
|
547 |
this.sbutton.setVisible(true); |
548 |
// this.listScrollPane.setVisible(true);
|
549 |
} else {
|
550 |
if (this.items.getSize() < 1) { |
551 |
// this.sbutton.setVisible(false);
|
552 |
// this.listScrollPane.setVisible(false);
|
553 |
} else {
|
554 |
int index = this.items.indexOf(this.items.firstElement()); |
555 |
if (index != this.list.getSelectedIndex()) |
556 |
this.list.setSelectedIndex(index);
|
557 |
} |
558 |
} |
559 |
refresh(); |
560 |
this.fireValueChangedEvent();
|
561 |
} |
562 |
|
563 |
/*
|
564 |
* (non-Javadoc)
|
565 |
*
|
566 |
* @see
|
567 |
* org.gvsig.tools.swing.api.dynobject.ValueChangedListener#handleValueChanged
|
568 |
* (org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent)
|
569 |
*/
|
570 |
public void handleValueChanged(JDynFieldComponent field) { |
571 |
Object value = field.getValue();
|
572 |
int index = this.list.getSelectedIndex(); |
573 |
if (index > -1) { |
574 |
setValue(value, index); |
575 |
} |
576 |
} |
577 |
|
578 |
// /* (non-Javadoc)
|
579 |
// * @see org.gvsig.tools.swing.spi.DelegatedJFieldComponent#getDynField()
|
580 |
// */
|
581 |
// @Override
|
582 |
// public DynField getDynField() {
|
583 |
// return this.defaultField;
|
584 |
// }
|
585 |
} |