/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2007 by:
Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.igeo.views.swing.addlayer;
import static org.deegree.igeo.i18n.Messages.get;
import static org.deegree.igeo.views.swing.util.GuiUtils.addToFrontListener;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.deegree.datatypes.QualifiedName;
import org.deegree.datatypes.values.TypedLiteral;
import org.deegree.framework.log.ILogger;
import org.deegree.framework.log.LoggerFactory;
import org.deegree.framework.util.ImageUtils;
import org.deegree.framework.utils.SwingUtils;
import org.deegree.igeo.ApplicationContainer;
import org.deegree.igeo.commands.model.AddWMSLayerCommand;
import org.deegree.igeo.dataadapter.Adapter;
import org.deegree.igeo.mapmodel.MapModel;
import org.deegree.igeo.views.DialogFactory;
import org.deegree.ogcwebservices.wms.capabilities.Layer;
import org.deegree.ogcwebservices.wms.capabilities.LegendURL;
import org.deegree.ogcwebservices.wms.capabilities.Style;
import org.deegree.ogcwebservices.wms.capabilities.WMSCapabilities;
import org.deegree.owscommon_new.DCP;
import org.deegree.owscommon_new.DomainType;
import org.deegree.owscommon_new.HTTP;
import org.deegree.owscommon_new.Operation;
import org.deegree.owscommon_new.OperationsMetadata;
/**
* <code>JAddWMSWizardChooseStyles</code>
*
* @author <a href="mailto:buesching@lat-lon.de">Lyn Buesching</a>
* @author last edited by: $Author$
*
* @version $Revision$, $Date$
*
*/
public class AddWMSWizardChooseStyles extends WizardDialog implements ActionListener, FocusListener, MouseListener,
ChangeListener {
private static final long serialVersionUID = -2799571066510285487L;
private static final ILogger LOG = LoggerFactory.getLogger( AddWMSWizardChooseStyles.class );
private MapModel mapModel;
private WMSCapabilities wmsCaps;
private Map<Layer, String> selectedLayers;
private JLabel previewImage = new JLabel();
private JCheckBox preview = new JCheckBox();
private JComboBox lastSelected = null;
private String layerTitle;
private boolean allowSwapAxis;
/**
* @param frame
* the dialog which was visible before
* @param mapModel
* the map model to add the new layer
* @param appContainer
* the application container
* @param wmsCapabilities
* the capablilties of the service to add as wms-datasource
* @param selectedLayers
* the wms-layers selected to add
* @param layerTitle
* the title of the layer
* @param capabilitiesURL
* the capabilities url of the service to add as wms-datasource
* @param allowSwapAxsisOrder
* if <code>true</code> axis order of bounding box will be swapped if a WMS 1.3 GetMap request shall be
* created
*/
public AddWMSWizardChooseStyles( JFrame frame, MapModel mapModel, ApplicationContainer<Container> appContainer,
WMSCapabilities wmsCapabilities, List<Layer> selectedLayers, String layerTitle,
boolean allowSwapAxis ) {
super( frame );
this.mapModel = mapModel;
this.appContainer = appContainer;
this.wmsCaps = wmsCapabilities;
this.layerTitle = layerTitle;
this.allowSwapAxis = allowSwapAxis;
this.setSize( 750, 600 );
this.setResizable( false );
// initialise a new assoziated array containing all selected layers and assigned styles
this.selectedLayers = new LinkedHashMap<Layer, String>( selectedLayers.size() );
for ( Layer layer : selectedLayers ) {
this.selectedLayers.put( layer, "" );
}
this.setTitle( get( "$MD10055" ) );
infoPanel.setInfoText( get( "$MD10056" ) );
buttonPanel.registerActionListener( this );
super.init();
}
/**
* update the entry in the map containing the map with assigned styles and show preview of the style
*
* @param srcComboBox
* the comboBox whose style selection changed
*/
private void setSelected( JComboBox srcComboBox ) {
String styleName = (String) srcComboBox.getSelectedItem();
Container p = srcComboBox.getParent();
String layerName = null;
for ( int i = 0; i < p.getComponentCount(); i++ ) {
p.setBackground( Color.LIGHT_GRAY );
if ( p.getComponent( i ) instanceof JLabel ) {
layerName = ( (JLabel) p.getComponent( i ) ).getName();
}
}
Layer selectedLayer = wmsCaps.getLayer( layerName );
if ( styleName.equals( "default" ) ) {
this.selectedLayers.put( selectedLayer, "" );
} else {
this.selectedLayers.put( selectedLayer, styleName );
}
if ( this.preview.isSelected() ) {
showStyle( selectedLayer, styleName );
} else {
this.previewImage.setIcon( null );
}
}
/**
* update preview of the styles assigned to the selected style of the layer
*
* @param selectedLayer
* the selected layer
* @param styleName
* the selected style
*/
private void showStyle( Layer selectedLayer, String styleName ) {
Style style = selectedLayer.getStyleResource( styleName );
ImageIcon ii = null;
// get legend out of the legendurl of the style
if ( style != null ) {
LegendURL[] legendURLs = style.getLegendURL();
ii = getLegendImage( legendURLs[0].getOnlineResource() );
}
if ( ii == null ) {
// request legend from the wms, if the layer does not define a style
ii = getLegendFromWMS( selectedLayer.getName(), styleName );
if ( ii == null ) {
// if no legend is available show missing legend image
URL missingLegendURL = Adapter.class.getResource( "missingLegend.png" );
try {
LOG.logDebug( "No legend available, show missing legend image" );
ii = new ImageIcon( ImageUtils.loadImage( missingLegendURL.openStream() ) );
} catch ( IOException e ) {
LOG.logError( get( "$DG10062", missingLegendURL, e.getMessage() ) );
DialogFactory.openErrorDialog( appContainer.getViewPlatform(), this, e.getMessage(),
getClass().getSimpleName(), e );
this.dispose();
}
}
}
if ( ii != null ) {
this.previewImage.setIcon( ii );
}
}
/**
* @param layer
* the layer name
* @param style
* the style name
* @param format
* the format
* @param version
* the version
* @param url
* the wms url
* @return the GetLegendRequest as string
*/
private String createGetLegendRequest( String layer, String style, String format, String version, String url ) {
StringBuffer sb = new StringBuffer( 500 );
sb.append( url ).append( '?' );
sb.append( "&VERSION=" ).append( version );
sb.append( "&REQUEST=GetLegendGraphic" );
sb.append( "&FORMAT=" ).append( format );
sb.append( "&WIDTH=15&HEIGHT=15&EXCEPTIONS=application/vnd.ogc.se_inimage" );
sb.append( "&LAYER=" ).append( layer );
sb.append( "&STYLE=" ).append( style );
return sb.toString();
}
/**
* @param url
* the url to load the image
* @return theIimageIcon of the url; returns null, if an exception is thrown
*/
private ImageIcon getLegendImage( URL url ) {
try {
LOG.logDebug( "Try to get legend from URL: " + url.toExternalForm() );
ImageIcon ii = new ImageIcon( ImageUtils.loadImage( url.openStream() ) );
return ii;
} catch ( Exception e ) {
LOG.logError( get( "$DG10038", url, e.getMessage() ) );
return null;
}
}
/**
* @param layer
* the name of the layer
* @param styleName
* the name of the style
* @return the legend out of a wms GetLegendRequest
*/
private ImageIcon getLegendFromWMS( String layer, String styleName ) {
OperationsMetadata om = wmsCaps.getOperationMetadata();
Operation op = om.getOperation( new QualifiedName( "GetLegendGraphic" ) );
if ( op != null ) {
URL legendGraphicURL = null;
List<DCP> dcps = op.getDCP();
for ( DCP dcp : dcps ) {
if ( dcp instanceof HTTP ) {
List<URL> getOnlineResources = ( (HTTP) dcp ).getGetOnlineResources();
legendGraphicURL = getOnlineResources.get( 0 );
}
}
if ( legendGraphicURL != null ) {
DomainType parameter = (DomainType) op.getParameter( new QualifiedName( "Format" ) );
List<TypedLiteral> values = parameter.getValues();
String format = values.get( 0 ).getValue();
String s = createGetLegendRequest( layer, styleName, format, wmsCaps.getVersion(),
legendGraphicURL.toString() );
URL legendFromWMS = null;
try {
LOG.logDebug( "Try to get legend from WMS: " + s );
legendFromWMS = new URL( s );
} catch ( MalformedURLException e ) {
LOG.logError( get( "$DG10049" ) );
return null;
}
try {
return new ImageIcon( ImageUtils.loadImage( legendFromWMS ) );
} catch ( IOException e ) {
LOG.logError( get( "$DG10049" ) );
}
}
}
return null;
}
/**
* @param layer
* the layer to display informations on the panel
* @return a panel containing the title of the layer and assigned styöles in a combo box
*/
private JPanel getLayerStylePanel( Layer layer ) {
JPanel layerStylePanel = new JPanel();
layerStylePanel.setLayout( null );
layerStylePanel.setVisible( true );
layerStylePanel.setSize( new Dimension( 500, 26 ) );
layerStylePanel.setBackground( Color.WHITE );
JLabel layerTitle = new JLabel( layer.getTitle() );
layerTitle.setBounds( 2, 0, 248, 26 );
layerTitle.setToolTipText( layer.getAbstract() );
layerTitle.setName( layer.getName() );
layerTitle.addMouseListener( this );
JComboBox styleComboBox = new JComboBox();
styleComboBox.setBounds( 250, 0, 150, 26 );
styleComboBox.addItem( "default" );
Style[] styles = layer.getStyles();
for ( int i = 0; i < styles.length; i++ ) {
if ( !styles[i].getName().equals( "default" ) ) {
styleComboBox.addItem( styles[i].getName() );
}
}
layerStylePanel.add( layerTitle );
layerStylePanel.add( styleComboBox );
styleComboBox.addActionListener( this );
styleComboBox.addFocusListener( this );
return layerStylePanel;
}
// /////////////////////////////////////////////////////////////////////////////////
// WizardDialog
// //////////////////////////////////////////////////////////////////////////////
/*
* (non-Javadoc)
*
* @see org.deegree.igeo.views.swing.WizardDialog#getMainPanel()
*/
@Override
public JPanel getMainPanel() {
JPanel stylePanel = new JPanel();
GridBagConstraints gbc = SwingUtils.initPanel( stylePanel );
JPanel layerStylesPanel = new JPanel();
int entryHeight = 30;
layerStylesPanel.setBackground( Color.WHITE );
Dimension lsDim = new Dimension( 400, ( entryHeight * selectedLayers.size() ) + 2 );
layerStylesPanel.setSize( lsDim );
layerStylesPanel.setPreferredSize( lsDim );
layerStylesPanel.setMinimumSize( lsDim );
layerStylesPanel.setMaximumSize( lsDim );
Dimension scrollDim = new Dimension( 420, 320 );
JScrollPane layerStylesScroll = new JScrollPane( layerStylesPanel );
layerStylesScroll.setSize( scrollDim );
layerStylesScroll.setPreferredSize( scrollDim );
layerStylesScroll.setMinimumSize( scrollDim );
layerStylesScroll.setMaximumSize( scrollDim );
layerStylesScroll.setVerticalScrollBarPolicy( ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED );
layerStylesScroll.setHorizontalScrollBarPolicy( ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED );
// add selected layers with styles to the scrollPane
int y = 2;
layerStylesPanel.setLayout( null );
for ( Layer layer : this.selectedLayers.keySet() ) {
JPanel layerStylesEntry = getLayerStylePanel( layer );
layerStylesEntry.setBorder( BorderFactory.createEmptyBorder( 2, 2, 2, 2 ) );
layerStylesEntry.setLocation( 0, y );
layerStylesPanel.add( layerStylesEntry );
y = y + entryHeight;
}
// area to show styles
JPanel p = new JPanel();
GridBagConstraints pgbc = SwingUtils.initPanel( p );
p.add( this.previewImage, pgbc );
Dimension previewDim = new Dimension( 200, 320 );
JScrollPane previewScroll = new JScrollPane( p );
previewScroll.setSize( previewDim );
previewScroll.setPreferredSize( previewDim );
previewScroll.setMinimumSize( previewDim );
previewScroll.setMaximumSize( previewDim );
previewScroll.setHorizontalScrollBarPolicy( ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED );
previewScroll.setVerticalScrollBarPolicy( ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED );
this.preview.setText( get( "$MD10101" ) );
this.preview.setSelected( false );
this.preview.addChangeListener( this );
gbc.anchor = GridBagConstraints.LINE_START;
stylePanel.add( new JLabel( get( "$MD10057" ) ), gbc );
++gbc.gridx;
gbc.insets = new Insets( 2, 20, 2, 2 );
stylePanel.add( this.preview, gbc );
gbc.insets = new Insets( 2, 2, 2, 2 );
gbc.gridx = 0;
++gbc.gridy;
stylePanel.add( layerStylesScroll, gbc );
++gbc.gridx;
gbc.insets = new Insets( 2, 20, 2, 2 );
stylePanel.add( previewScroll, gbc );
return stylePanel;
}
// /////////////////////////////////////////////////////////////////////////////////
// ActionListener
// /////////////////////////////////////////////////////////////////////////////////
/*
* (non-Javadoc)
*
* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
*/
public void actionPerformed( ActionEvent event ) {
if ( event.getSource() instanceof JButton ) {
JButton srcButton = (JButton) event.getSource();
if ( srcButton.getName().equals( ButtonPanel.CANCEL_BT ) ) {
// close this and the previous frame
this.dispose();
} else if ( srcButton.getName().equals( ButtonPanel.PREVIOUS_BT ) ) {
// set the previousframe visible and close this frame
if ( this.previousFrame != null ) {
this.previousFrame.setVisible( true );
}
this.close();
} else if ( srcButton.getName().equals( ButtonPanel.NEXT_BT ) ) {
AddWMSWizardChooseFormat nextStep = new AddWMSWizardChooseFormat( this, this.mapModel,
this.appContainer, this.wmsCaps,
this.selectedLayers, this.layerTitle,
allowSwapAxis );
addToFrontListener( nextStep );
nextStep.setLocation( this.getX(), this.getY() );
nextStep.setVisible( true );
this.setVisible( false );
} else if ( srcButton.getName().equals( ButtonPanel.FINISH_BT ) ) {
AddWMSLayerCommand addWMSCmd = new AddWMSLayerCommand( this.mapModel, this.wmsCaps,
this.selectedLayers, this.layerTitle,
allowSwapAxis );
appContainer.getCommandProcessor().executeASychronously( addWMSCmd );
this.dispose();
}
} else if ( event.getSource() instanceof JComboBox ) {
JComboBox srcComboBox = (JComboBox) event.getSource();
setSelected( srcComboBox );
}
}
// /////////////////////////////////////////////////////////////////////////////////
// FocusListener
// //////////////////////////////////////////////////////////////////////////////
/*
* (non-Javadoc)
*
* @see java.awt.event.FocusListener#focusGained(java.awt.event.FocusEvent)
*/
public void focusGained( FocusEvent event ) {
// select the line of the combobox
JComboBox srcComboBox = (JComboBox) event.getSource();
// deselect all other entries
Container c = srcComboBox.getParent().getParent();
for ( int i = 0; i < c.getComponentCount(); i++ ) {
c.getComponent( i ).setBackground( Color.WHITE );
}
// and select the current
setSelected( srcComboBox );
lastSelected = srcComboBox;
}
/*
* (non-Javadoc)
*
* @see java.awt.event.FocusListener#focusLost(java.awt.event.FocusEvent)
*/
public void focusLost( FocusEvent event ) {
}
// /////////////////////////////////////////////////////////////////////////////////
// MouseListener
// //////////////////////////////////////////////////////////////////////////////
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
*/
public void mouseClicked( MouseEvent event ) {
// set focus to style combo box of the selected layer
JComponent srcComponent = (JComponent) event.getSource();
Container p = srcComponent.getParent();
if ( srcComponent instanceof JLabel ) {
for ( int i = 0; i < p.getComponentCount(); i++ ) {
if ( p.getComponent( i ) instanceof JComboBox ) {
p.getComponent( i ).requestFocus();
}
}
}
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
*/
public void mouseEntered( MouseEvent event ) {
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
*/
public void mouseExited( MouseEvent event ) {
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
*/
public void mousePressed( MouseEvent event ) {
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
*/
public void mouseReleased( MouseEvent event ) {
}
// /////////////////////////////////////////////////////////////////////////////////
// ChangeListener
// //////////////////////////////////////////////////////////////////////////////
/*
* (non-Javadoc)
*
* @see javax.swing.event.ChangeListener#stateChanged(javax.swing.event.ChangeEvent)
*/
public void stateChanged( ChangeEvent event ) {
// set focus to last selected layer/style if user changed status of preview
if ( lastSelected != null ) {
lastSelected.requestFocus();
}
}
}