root / branches / v2_0_0_prep / applications / appgvSIG / src / org / gvsig / fmap / data / feature / swing / table / ConfigurableFeatureTableModel.java @ 23715
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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 Gobernment (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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* 2008 {DiSiD Technologies} {{Task}}
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*/
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package org.gvsig.fmap.data.feature.swing.table; |
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import java.util.*; |
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import org.gvsig.fmap.data.ReadException; |
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import org.gvsig.fmap.data.feature.*; |
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import org.gvsig.fmap.data.feature.paging.FeaturePagingHelper; |
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/**
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* Extends the FeatureTableModel to add more configurable options, like the
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* visible columns, column name aliases and row order.
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*
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* @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>
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*/
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public class ConfigurableFeatureTableModel extends FeatureTableModel { |
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private static final long serialVersionUID = -8223987814719746492L; |
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private List<String> columnNames; |
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private List<String> visibleColumnNames; |
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private Map<String, String> name2Alias; |
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/**
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* @see FeatureTableModel#FeatureTableModel(FeatureStore, FeatureQuery)
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*/
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public ConfigurableFeatureTableModel(FeatureStore featureStore,
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FeatureQuery featureQuery) throws ReadException {
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super(featureStore, featureQuery);
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} |
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/**
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* @see FeatureTableModel#FeatureTableModel(FeatureStore, FeatureQuery, int)
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*/
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public ConfigurableFeatureTableModel(FeatureStore featureStore,
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FeatureQuery featureQuery, int pageSize) throws ReadException { |
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super(featureStore, featureQuery, pageSize);
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} |
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/**
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* @see FeatureTableModel#FeatureTableModel(FeaturePagingHelper)
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*/
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public ConfigurableFeatureTableModel(FeaturePagingHelper helper) {
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super(helper);
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} |
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@Override
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public int getColumnCount() { |
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return visibleColumnNames.size();
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} |
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@Override
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public String getColumnName(int column) { |
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int realIndex = getRealColumnIndex(column);
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String realName = super.getColumnName(realIndex); |
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return getAliasForColumn(realName);
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} |
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/**
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* Sets the visibility of a table column.
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*
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* @param columnIndex
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* the index of the column to update
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* @param visible
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* if the column will be visible or not
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*/
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public void setVisible(String name, boolean visible) { |
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// If we don't have already the column as visible,
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// add to the list, without order, and recreate
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// the visible columns list in the original order
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if (visible && !visibleColumnNames.contains(name)) {
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visibleColumnNames.add(name); |
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setVisibleColumns(visibleColumnNames); |
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} else {
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visibleColumnNames.remove(name); |
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fireTableStructureChanged(); |
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} |
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} |
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/**
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* Sets the current visible columns list, in the original order.
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*
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* @param names
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* the names of the columns to set as visible
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*/
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public void setVisibleColumns(List<String> names) { |
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// Recreate the visible column names list
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// to maintain the original order
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visibleColumnNames = new ArrayList<String>(names.size()); |
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for (int i = 0; i < columnNames.size(); i++) { |
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String columnName = columnNames.get(i);
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if (names.contains(columnName)) {
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visibleColumnNames.add(columnName); |
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} |
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} |
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fireTableStructureChanged(); |
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} |
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/**
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* Changes all columns to be visible.
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*/
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public void setAllVisible() { |
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visibleColumnNames.clear(); |
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visibleColumnNames.addAll(columnNames); |
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fireTableStructureChanged(); |
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} |
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/**
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* Sets the alias for a column.
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*
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* @param name
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* the name of the column
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* @param alias
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* the alias for the column
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*/
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public void setAlias(String name, String alias) { |
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name2Alias.put(name, alias); |
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fireTableStructureChanged(); |
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} |
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public void orderByColumn(String name, boolean ascending) |
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throws ReadException {
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String order = ascending ? name.concat(" ASC") : name.concat(" DESC"); |
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getHelper().getFeatureQuery().setOrder(order); |
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getHelper().reload(); |
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fireTableDataChanged(); |
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} |
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@Override
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protected void initialize() { |
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super.initialize();
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initializeVisibleColumns(); |
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initializeAliases(); |
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} |
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/**
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* Initializes the table name aliases.
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*/
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private void initializeAliases() { |
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int columns = super.getColumnCount(); |
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name2Alias = new HashMap<String, String>(columns); |
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for (int i = 0; i < columns; i++) { |
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String columnName = super.getColumnName(i); |
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name2Alias.put(columnName, columnName); |
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} |
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} |
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/**
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* Initializes the table visible columns.
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*/
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protected void initializeVisibleColumns() { |
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int columns = super.getColumnCount(); |
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columnNames = new ArrayList<String>(columns); |
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visibleColumnNames = new ArrayList<String>(columns); |
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for (int i = 0; i < columns; i++) { |
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String columnName = super.getColumnName(i); |
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columnNames.add(columnName); |
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visibleColumnNames.add(columnName); |
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} |
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} |
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/**
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* Returns the alias for the name of a column.
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*
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* @param name
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* of the column
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* @return the alias
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*/
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protected String getAliasForColumn(String name) { |
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return name2Alias.get(name);
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} |
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/**
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* Returns if a column is visible.
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*
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* @param name
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* the name of the column
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* @return if the column is visible
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*/
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protected boolean isVisible(String name) { |
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return visibleColumnNames.contains(name);
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} |
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/**
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* Returns the real position of a column.
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*
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* @param columnIndex
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* the current visible column index
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* @return the real column index
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*/
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protected int getRealColumnIndex(int columnIndex) { |
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String columnName = visibleColumnNames.get(columnIndex);
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return columnNames.indexOf(columnName);
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} |
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@Override
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protected Object getFeatureValue(Feature feature, int columnIndex) { |
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int realColumnIndex = getRealColumnIndex(columnIndex);
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return super.getFeatureValue(feature, realColumnIndex); |
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} |
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@Override
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protected void setFeatureValue(Feature feature, int columnIndex, |
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Object value) throws IsNotFeatureSettingException { |
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int realColumnIndex = getRealColumnIndex(columnIndex);
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super.setFeatureValue(feature, realColumnIndex, value);
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} |
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} |