/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.project.ui.internal.actions;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLDecoder;
import org.locationtech.udig.project.ILayer;
import org.locationtech.udig.project.IProjectElement;
import org.locationtech.udig.project.internal.ProjectPlugin;
import org.locationtech.udig.project.ui.ApplicationGIS;
import org.locationtech.udig.project.ui.internal.LayersView;
import org.locationtech.udig.project.ui.internal.MapEditor;
import org.locationtech.udig.project.ui.internal.MapEditorPart;
import org.locationtech.udig.project.ui.internal.ProjectUIPlugin;
import org.locationtech.udig.project.ui.render.displayAdapter.ViewportPane;
import org.locationtech.udig.ui.IDropAction;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.swt.dnd.DropTarget;
import org.eclipse.swt.widgets.Control;
/**
* Opens a map when dropped on an IEditorPart
*
* @author jones
* @since 1.1.0
*/
public class DropMap extends IDropAction {
@Override
public boolean accept( ) {
if (getDestination() instanceof ILayer) {
if(getEvent()==null){
return false;
}
Control control = ((DropTarget)getEvent().widget).getControl();
if ( control != LayersView.getViewer().getControl() && !(control instanceof ViewportPane))
return false;
}
if (getData() instanceof IProjectElement) {
return true;
}
// we want to open the project element if one of it children is dragged
if (getData() instanceof EObject && !(getDestination() instanceof ILayer)) {
EObject eobj = (EObject) getData();
while (eobj!=null && !(eobj instanceof IProjectElement) ){
eobj=eobj.eContainer();
}
if (eobj == null)
return false;
// if layer dropped in layers view when map is open then we want use another action
if( getData() instanceof ILayer && getDestination() instanceof LayersView && ApplicationGIS.getActiveMap()!=ApplicationGIS.NO_MAP ){
return false;
}
// layer droppe in map if special too
if( getData() instanceof ILayer && getDestination() instanceof MapEditorPart){
return false;
}
return true;
}
URL url = null;
if (getData() instanceof String) {
String string = (String) getData();
try {
string = URLDecoder.decode(string, "UTF-8");
} catch (UnsupportedEncodingException e2) {
// so ignore...
}
try {
url = new URL(string);
} catch (MalformedURLException e) {
// guess it is not a URL
}
if( url == null ){
File file=new File(string);
if( !file.exists() ){
return false;
}
}
}
if (getData() instanceof URL) {
url = (URL) getData();
}
if (url != null) {
String fileString = url.getFile();
try {
File file = new File(fileString);
if (file.exists() && fileString.endsWith(".umap")) //$NON-NLS-1$
return true;
return false;
} catch (Exception e) {
// ok not a file either
return false;
}
}
return false;
}
@Override
public void perform( IProgressMonitor monitor ) {
if (getData() instanceof EObject && !(getDestination() instanceof ILayer)) {
EObject eobj = (EObject) getData();
while (eobj!=null && !(eobj instanceof IProjectElement) ){
eobj=eobj.eContainer();
}
ApplicationGIS.openProjectElement((IProjectElement) eobj,false);
}
URL url = null;
if (getData() instanceof IProjectElement) {
ApplicationGIS.openProjectElement((IProjectElement) getData(),false);
} else if (getData() instanceof String) {
String string = (String) getData();
try {
string = URLDecoder.decode(string, "UTF-8");
} catch (UnsupportedEncodingException e2) {
// so ignore...
}
try {
url = new URL(string);
} catch (MalformedURLException e) {
// guess it is not a URL
File file=new File(string);
if( file.exists() )
try {
url=file.toURL();
} catch (MalformedURLException e1) {
// oh well
}
}
} else if (getData() instanceof URL) {
url = (URL) getData();
}
if (url != null) {
String fileString;
try {
fileString = url.getFile();
File file = new File(fileString);
if (!file.exists() || !fileString.endsWith(".umap")) { //$NON-NLS-1$
ProjectUIPlugin.log("Some how accept() accepted: " + getData(), new Exception()); //$NON-NLS-1$
return;
}
} catch (Exception e) {
// ok not a file either
ProjectUIPlugin.log("Some how accept() accepted: " + getData(), new Exception()); //$NON-NLS-1$
return;
}
IProjectElement elem;
try {
elem = ApplicationGIS.loadProjectElement(url, ApplicationGIS.getActiveProject());
if ( elem instanceof IProjectElement )
ApplicationGIS.openProjectElement((IProjectElement) elem,false);
} catch (IllegalArgumentException e) {
ProjectPlugin.log("", e); //$NON-NLS-1$
} catch (IOException e) {
ProjectPlugin.log("", e); //$NON-NLS-1$
}
}
}
}