gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.swing / org.gvsig.raster.swing.impl / src / main / java / org / gvsig / raster / swing / impl / pagedtable / PagedTablePanel.java @ 1672
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2012 gvSIG Association.
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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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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.raster.swing.impl.pagedtable; |
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import java.awt.FlowLayout; |
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import java.awt.GridBagConstraints; |
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import java.awt.GridBagLayout; |
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import java.awt.event.MouseEvent; |
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import java.awt.event.MouseListener; |
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import java.util.List; |
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import java.util.Observable; |
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import java.util.Observer; |
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import javax.swing.JPanel; |
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import javax.swing.JTable; |
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import javax.swing.table.DefaultTableModel; |
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import javax.swing.table.TableColumn; |
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import org.gvsig.raster.swing.pagedtable.ModelLoader; |
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import org.gvsig.raster.swing.pagedtable.TableModel; |
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/**
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* Paged table
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class PagedTablePanel extends JPanel implements MouseListener, Observer { |
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private static final long serialVersionUID = 1L; |
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private PagedJTable jTable = null; |
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private ModelLoader modelLoader = null; |
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private DefaultTableModel model = null; |
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private Pager pager = null; |
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private int heightLine = 16; |
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public class PagedJTable extends JTable { |
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private static final long serialVersionUID = 1L; |
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public PagedJTable(DefaultTableModel model) { |
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super(model);
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} |
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/**
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* Reimplemented to calculate the number of pages when the component gets
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* a resize event
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*/
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public void setBounds(int x, int y, int width, int height) { |
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super.setBounds(x, y, width, height);
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int entriesPerPage = (int)(getHeight() / (double)heightLine); |
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getPager(entriesPerPage); |
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} |
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} |
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public PagedTablePanel(ModelLoader modelLoader,
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Pager pager, |
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PaginationBarPanel paginationBar, |
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MoveRowsPanel moveRowsPanel, |
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TableEntryControllerPanel tableEntryControllerPanel) {
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this.modelLoader = modelLoader;
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this.pager = pager;
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this.model = (DefaultTableModel)modelLoader.getTableModel(); |
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initGUI(paginationBar, moveRowsPanel, tableEntryControllerPanel); |
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} |
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private void initGUI( |
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PaginationBarPanel paginationBar, |
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MoveRowsPanel moveRowsPanel, |
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TableEntryControllerPanel tableEntryControllerPanel) {
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setLayout(new GridBagLayout()); |
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GridBagConstraints gbc = new GridBagConstraints(); |
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gbc.fill = GridBagConstraints.BOTH;
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gbc.weightx = 1;
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gbc.weighty = 1;
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gbc.gridx = 0;
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gbc.gridy = 0;
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add(getJTable(), gbc); |
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gbc.fill = GridBagConstraints.VERTICAL;
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gbc.weightx = 0;
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gbc.weighty = 1;
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gbc.gridx = 1;
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gbc.gridy = 0;
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add(paginationBar, gbc); |
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gbc.fill = GridBagConstraints.HORIZONTAL;
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gbc.weightx = 1;
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gbc.weighty = 0;
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gbc.gridx = 0;
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gbc.gridy = 1;
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gbc.gridwidth = 2;
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JPanel panel = new JPanel(); |
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panel.setLayout(new FlowLayout(FlowLayout.CENTER, 0, 0)); |
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panel.add(tableEntryControllerPanel); |
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panel.add(moveRowsPanel); |
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add(panel, gbc); |
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} |
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public Pager getPager(int nEntriesPerPage) { |
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pager.setEntriesPerPage(nEntriesPerPage); |
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return pager;
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} |
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/**
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* Obtiene la Tabla
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* @return Tabla de bandas de la imagen
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*/
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public JTable getJTable() { |
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if (jTable == null) { |
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jTable = new PagedJTable(model);
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jTable.addMouseListener(this);
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TableColumn column = null; |
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int widthPerColumn = (int) (this.getWidth() / modelLoader.getColumnNames().length); |
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for (int i = 0; i < modelLoader.getColumnNames().length; i++) { |
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column = jTable.getColumnModel().getColumn(i); |
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column.setResizable(true);
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if (modelLoader.getColumnWidths() == null) |
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column.setPreferredWidth(widthPerColumn); |
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else
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column.setPreferredWidth(modelLoader.getColumnWidths()[i]); |
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} |
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} |
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return jTable;
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} |
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public void setLineHeight(int height) { |
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this.heightLine = height;
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} |
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//************************************************
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// API
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//************************************************
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public void addRow(Object[] list) { |
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pager.addEntry(list); |
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} |
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public void delRow(int i) { |
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pager.removeEntry(i); |
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} |
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public void removeAllRows() { |
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pager.removeAllEntries(); |
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} |
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public int[] getSelectedRows() { |
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return pager.getSelectedRows();
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} |
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public void swapRow(int i, int j) { |
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if ((i < 0) || (j < 0)) |
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return;
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if ((i >= model.getRowCount()) || (j >= model.getRowCount()))
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return;
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model.moveRow(i, i, j); |
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pager.swapRow(i, j); |
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} |
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public void setSelectedRows(int[] rows) { |
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pager.setSelectedRows(rows); |
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} |
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public void setSelectedRow(int row) { |
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if(row == -1) { |
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pager.setSelectedRows(new int[]{pager.getEntriesCount() - 1}); |
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} else {
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pager.setSelectedRows(new int[]{row}); |
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} |
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} |
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public void addSelectedRow(int row) { |
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pager.addSelectedRow(row); |
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} |
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public void increaseSelectedRows() { |
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pager.increaseSelectedRows(); |
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} |
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public void decreaseSelectedRows() { |
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pager.decreaseSelectedRows(); |
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} |
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public void nextPage() { |
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pager.increaseSelectedPage(); |
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} |
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public void prevPage() { |
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pager.decreaseSelectedPage(); |
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} |
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public void setSelectedPage(int pageNumber) { |
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pager.setSelectedPage(pageNumber); |
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} |
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public TableModel getTableModel() { |
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return modelLoader.getTableModel();
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} |
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//************************************************
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/**
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* Gets the number of rows in this table
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* @return N?mero de filas de la tabla
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*/
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public int getRowTableCount() { |
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return model.getRowCount();
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} |
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/**
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* Gets the selected point
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* @return position of the selected point
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*/
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public int getSelectedTableRow() { |
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return getJTable().getSelectedRow();
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} |
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/**
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* Reloads the selected page in the visual table
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*/
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private int reloadPage() { |
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model.setNumRows(0);
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List<Object> lines = pager.getSelectedPage(); |
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if(lines == null) |
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return pager.getSelectedPageNumber();
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for (int i = 0; i < lines.size(); i++) { |
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model.addRow((Object[])lines.get(i)); |
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} |
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return pager.getSelectedPageNumber();
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} |
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// private void loadPageInTable(int page, int selection) {
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// for (int i = model.getRowCount() - 1; i >= 0; i--) {
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// model.removeRow(i);
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// }
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// List<Object> pageElements = pager.getPage(page);
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// for (int i = 0; i < pageElements.size(); i++) {
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// model.addRow((Object[])pageElements.get(i));
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// }
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// if(selection >= 0 && selection < model.getRowCount()) {
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// getJTable().setRowSelectionInterval(selection, selection);
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// }
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// }
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public void mouseClicked(MouseEvent e) { |
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if(e.getSource() == jTable) {
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//When the user clicks on table, it selects the entry in the table control
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int selVisualRow = getSelectedTableRow();
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if(selVisualRow >= 0) { |
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int selRow = pager.getSelectedPageNumber() * pager.getEntriesPerPage() + selVisualRow;
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pager.setSelectedRows(new int[]{selRow}); |
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} |
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} |
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} |
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public void mouseEntered(MouseEvent e) { |
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} |
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public void mouseExited(MouseEvent e) { |
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} |
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public void mousePressed(MouseEvent e) { |
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} |
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public void mouseReleased(MouseEvent e) { |
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} |
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public void update(Observable o, Object arg) { |
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if(o instanceof Pager && arg instanceof Integer) { |
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int option = ((Integer)arg).intValue(); |
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if(option == Pager.EVENT_SELECTED_ROWS ) {
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Pager pager = (Pager)o; |
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int[] selectedRows = pager.getSelectedRows(); |
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if(selectedRows != null && selectedRows.length > 0) { |
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if(!pager.isInCurrentPage(selectedRows[0])) { |
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pager.setSelectedPage(pager.getPageFromRow(selectedRows[0]));
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reloadPage(); |
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} |
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int r = selectedRows[0] % pager.getEntriesPerPage(); |
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if(r >= 0 && r < model.getRowCount()) |
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getJTable().setRowSelectionInterval(r, r); |
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} |
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} |
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if(option == Pager.EVENT_ADD_ENTRY ) {
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model.addRow(pager.getLastEntry()); |
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int lastTableRow = model.getRowCount() - 1; |
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getJTable().setRowSelectionInterval(lastTableRow, lastTableRow); |
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} |
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if(option == Pager.EVENT_REMOVE_ENTRY ) {
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int[] selectedRows = pager.getSelectedRows(); |
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reloadPage(); |
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if(selectedRows != null) { |
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int r = selectedRows[0] % pager.getEntriesPerPage(); |
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if(r >= 0 && r < model.getRowCount()) { |
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getJTable().setRowSelectionInterval(r, r); |
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} |
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} |
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} |
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if(option == Pager.EVENT_REMOVE_ALL ) {
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model.setNumRows(0);
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} |
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if(option == Pager.EVENT_SELECTED_PAGE ) {
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reloadPage(); |
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int[] selectedRows = pager.getSelectedRows(); |
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if(selectedRows != null) { |
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int r = selectedRows[0] % pager.getEntriesPerPage(); |
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if(r >= 0 && r < model.getRowCount()) { |
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getJTable().setRowSelectionInterval(r, r); |
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} |
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} |
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} |
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} |
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} |
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} |