root/trunk/mlframework/src/eu/moonlight3d/common/ui/propertysheet/DirectoryListEditorFactory.java

/*
 * Moonlight|3D Copyright (C) 2006 The Moonlight|3D team
 * 
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 * 
 * Created on Jul 28, 2006
 */
package eu.moonlight3d.common.ui.propertysheet;

import java.util.ArrayList;
import java.util.Arrays;

import org.w3c.dom.Element;

import com.trolltech.qt.core.Qt;
import com.trolltech.qt.gui.QFileDialog;
import com.trolltech.qt.gui.QHBoxLayout;
import com.trolltech.qt.gui.QLabel;
import com.trolltech.qt.gui.QListWidget;
import com.trolltech.qt.gui.QListWidgetItem;
import com.trolltech.qt.gui.QPushButton;
import com.trolltech.qt.gui.QVBoxLayout;
import com.trolltech.qt.gui.QWidget;

import eu.moonlight3d.common.ui.propertysheet.IntegerMapFactory.Parameters;
import eu.moonlight3d.framework.properties.Property;
import eu.moonlight3d.framework.properties.PropertyContainer;
import eu.moonlight3d.framework.ui.ExceptionDialog;

public class DirectoryListEditorFactory implements PropertyEditorFactory {

        private class DirectoryListEditor extends ValueEditor {
                private QListWidget directoryTable;
                private Property property;
                private PropertySheet propertySheet;
                

                public DirectoryListEditor(Parameters parameters, PropertySheet sheet, QWidget parent, Property property) {
                        super(parent);
                        this.property=property;
                        this.propertySheet=sheet;
                        
                        QLabel propertyLabel=new QLabel(this);
                        propertyLabel.setText(property.getName());
                        
                        directoryTable=new QListWidget(this);
                        directoryTable.setMinimumHeight(80);
                        
                        QPushButton add=new QPushButton(this);
                        add.setText("Add");
                        add.clicked.connect(this,"addEntry()");
                        
                        QPushButton edit=new QPushButton(this);                 
                        edit.setText("Edit");
                        edit.clicked.connect(this,"editEntry()");

                        QPushButton delete=new QPushButton(this);
                        delete.setText("Delete");
                        delete.clicked.connect(this,"removeSelected()");

                        QVBoxLayout layout=new QVBoxLayout();
                        QHBoxLayout buttonLayout=new QHBoxLayout();
                        buttonLayout.addWidget(add);
                        buttonLayout.addStretch(1);
                        buttonLayout.addWidget(edit);
                        buttonLayout.addStretch(1);
                        buttonLayout.addWidget(delete);
                        
                        layout.addWidget(propertyLabel);
                        layout.addWidget(directoryTable,1);
                        layout.addLayout(buttonLayout);
                        
                        setLayout(layout);
                        
                        updateFromPropertyValue();
                }
                
                public void addEntry() {
                        String directory=QFileDialog.getExistingDirectory(eu.moonlight3d.framework.State.getInstance().getMainWindow(),"Select plugin directory");
                        
                        if(directory==null) {
                                return;
                        }
                        try {
                                String[] directories=(String[]) property.getValue().getData();
                                directories=Arrays.copyOf(directories, directories.length+1);
                                property.getValue().setData(directories);
                        } catch (Exception e) {
                                ExceptionDialog.run(e);
                        }
                        propertySheet.notifyPropertyUpdate(property);
                        updateFromPropertyValue();
                }
                
                public void editEntry() {
                        if(directoryTable.currentItem()==null) {
                                return;
                        }
                        
                        String directory=QFileDialog.getExistingDirectory(eu.moonlight3d.framework.State.getInstance().getMainWindow(),"Select plugin directory",directoryTable.currentItem().text());
                        if(directory==null) {
                                return;
                        }
                        if(directory.equals("")) {
                                return;
                        }

                        try {
                                String[] directories=(String[]) property.getValue().getData();
                                directories[(Integer)directoryTable.currentItem().data(Qt.ItemDataRole.UserRole)]=directory;
                                property.getValue().setData(directories);
                        } catch (Exception e) {
                                ExceptionDialog.run(e);
                        }
                        propertySheet.notifyPropertyUpdate(property);
                        updateFromPropertyValue();
                }
                
                public void removeSelected() {
                        for(QListWidgetItem item : directoryTable.selectedItems()) {
                                int itemIndex=(Integer) item.data(Qt.ItemDataRole.UserRole);
                                
                                try {
                                        String[] directories=(String[]) property.getValue().getData();
                                        for(int i=itemIndex;i<directories.length-1;i++) {
                                                directories[i]=directories[i+1];
                                        }
                                        directories=Arrays.copyOf(directories, directories.length-1);
                                        property.getValue().setData(directories);                                       
                                } catch (Exception e) {
                                        ExceptionDialog.run(e);
                                }
                        }
                        propertySheet.notifyPropertyUpdate(property);
                        updateFromPropertyValue();
                }

                @Override
                public void updateFromPropertyValue() {
                        directoryTable.clear();
                        String[] directories;
                        try {
                                directories = (String[]) property.getValue().getData();
                                for(int i=0;i<directories.length;i++) {
                                        try {
                                                QListWidgetItem item=new QListWidgetItem(directoryTable);
                                                item.setText(directories[i]);
                                                item.setData(Qt.ItemDataRole.UserRole, i);
                                        } catch (Exception e) {
                                                ExceptionDialog.run(e);
                                        }
                                }
                        } catch (Exception e) {
                                ExceptionDialog.run(e);
                        }
                }

        }
        
        public String getName() {
                return "DirectoryListEditor";
        }

        public Object parseExtraParameters(Element parameterRoot) throws Exception {
                return null;
        }

        public ValueEditor generatePropertyEditor(PropertySheet sheet, QWidget parent, PropertyContainer container,
                        ArrayList<String> properties, Object additionalParams) {
                Property property=container.getProperty(properties.get(0));
                return new DirectoryListEditor((Parameters)additionalParams,sheet,parent,property);
        }

}