Application: gvSIG desktop

package org.gvsig.app.project.documents.gui.projectpanel;

import java.awt.BorderLayout;

import org.gvsig.app.project.documents.gui.*;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ComponentAdapter;

import java.awt.event.ComponentEvent;

import java.beans.PropertyChangeEvent;

import java.beans.PropertyChangeListener;

import java.io.File;

import java.util.Collections;

import java.util.Comparator;

import java.util.Iterator;

import java.util.List;

import javax.swing.ButtonGroup;

import javax.swing.JComponent;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JScrollPane;

import javax.swing.ScrollPaneConstants;

import javax.swing.SwingUtilities;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.andami.ui.mdiManager.MDIManager;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.project.Project;

import org.gvsig.app.project.ProjectManager;

import org.gvsig.app.project.documents.Document;

import org.gvsig.app.project.documents.DocumentManager;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

import org.gvsig.tools.identitymanagement.SimpleIdentityManager;

import org.gvsig.tools.observer.Observable;

import org.gvsig.tools.observer.Observer;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.ToolsSwingManager;

import org.gvsig.tools.swing.api.windowmanager.WindowManager;

import org.gvsig.utils.DefaultListModel;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class ProjectDocumentsPanelPage

        extends ProjectDocumentsPanelPageView

        implements ProjectPanelPage {

    private final Logger LOG = LoggerFactory.getLogger(ProjectGeneralPropertiesPage.class);

    private Project project;

    private DocumentManager currentDocumentType;

    private final PropertyChangeListener projectPropertyChangeListener;

    private final Observer projectObserver;

    public ProjectDocumentsPanelPage() {

        this.project = null;

        this.projectPropertyChangeListener = new PropertyChangeListener() {

            @Override

            public void propertyChange(PropertyChangeEvent evt) {

                updateProject();

            }

        };

        this.projectObserver = new Observer() {

            @Override

            public void update(Observable observable, Object notification) {

                updateProject();

            }

        };

        this.initComponents();

    }

    @Override

    public void setData(Object data) {

    }

    @Override

    public String getTitle() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        return i18n.getTranslation("Documents");

    }

    @Override

    public int getPriority() {

        return 1000;

    }

    @Override

    public boolean whenAccept() {

        return true;

    }

    @Override

    public boolean whenApply() {

        return true;

    }

    @Override

    public boolean whenCancel() {

        return true;

    }

    @Override

    public JComponent asJComponent() {

        return this;

    }

    private void initComponents() {

        this.initDocumentTypes();

        this.btnDocumentNew.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doDocumentNew();

            }

        });

        this.btnDocumentOpen.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doDocumentOpen();

            }

        });

        this.btnDocumentRename.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doDocumentRename();

            }

        });

        this.btnDocumentDelete.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doDocumentDelete();

            }

        });

        this.btnDocumentProperties.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doDocumentProperties();

            }

        });

        this.btnProjectProperties.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doProjectProperties();

            }

        });

        this.lstDocuments.addListSelectionListener(new ListSelectionListener() {

            @Override

            public void valueChanged(ListSelectionEvent e) {

                if (e.getValueIsAdjusting()) {

                    return;

                }

                doDocumentsSelectionChanged();

            }

        });

        this.translate();

    }

    private void translate() {

        ToolsSwingManager manager = ToolsSwingLocator.getToolsSwingManager();

        manager.translate(this.lblCreationDate);

        manager.translate(this.lblSavedIn);

        manager.translate(this.lblSessionName);

        manager.translate(this.lblDocument);

        manager.translate(this.lblDocumentTypes);

        manager.translate(this.lblSessionProperties);

        manager.translate(this.lblCreationDate);

        manager.translate(this.lblCreationDate);

        manager.translate(this.lblCreationDate);

        manager.translate(this.lblCreationDate);

        manager.translate(this.lblCreationDate);

        manager.translate(this.lblCreationDate);

        manager.translate(this.btnDocumentDelete);

        manager.translate(this.btnDocumentNew);

        manager.translate(this.btnDocumentOpen);

        manager.translate(this.btnDocumentProperties);

        manager.translate(this.btnDocumentRename);

        manager.translate(this.btnProjectProperties);

    }

    @Override

    public void setProject(Project project) {

        if( this.project!=null ) {

            this.project.removePropertyChangeListener(this.projectPropertyChangeListener);

            this.project.deleteObserver(this.projectObserver);

        }

        this.project = project;

        if(project!=null){

            project.addPropertyChangeListener(this.projectPropertyChangeListener);

            project.addObserver(this.projectObserver);

        }

        updateProject();

    }

    private void updateProject() {

        if( !SwingUtilities.isEventDispatchThread() ) {

            SwingUtilities.invokeLater(new Runnable() {

                @Override

                public void run() {

                    updateProject();

                }

            });

            return;

        }

        updateProjectDocumens();

        updateProjectProperties();

    }

    private void updateProjectProperties() {

        if (project != null) {

            this.txtSessionName.setText(project.getName());

            File path = this.project.getFile();

            if (path != null) {

                this.txtSavedIn.setText(path.toString());

            } else {

                this.txtSavedIn.setText("");

            }

            this.txtCreationDate.setText(project.getCreationDate());

        }

    }    

    private void initDocumentTypes() {

        SimpleIdentityManager identityManager = ToolsLocator.getIdentityManager();

        this.documentTypesContainer.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));

        List<DocumentManager> factories = ProjectManager.getInstance().getDocumentManagers();

        Collections.sort(factories, new Comparator<DocumentManager>() {

            @Override

            public int compare(DocumentManager arg0, DocumentManager arg1) {

                return arg0.getPriority() - arg1.getPriority();

            }

        });

        this.currentDocumentType = factories.get(0);

        JRadioButton selectButton = null;

        ButtonGroup group = new ButtonGroup();

        JPanel panel = new JPanel();

        for (DocumentManager documentFactory : factories) {

            if (!identityManager.getCurrentIdentity().isAuthorized(

                    Document.ACCESS_DOCUMENT_AUTHORIZATION,

                    documentFactory,

                    documentFactory.getTypeName())) {

                continue;

            }

            JRadioButton button = this.createDocumentTypeButton(documentFactory);

            group.add(button);

            panel.add(button);

            if( documentFactory == this.currentDocumentType ) {

                selectButton = button;

            }

        }

        JScrollPane scroll = new JScrollPane(panel);

        Dimension dim = panel.getPreferredSize();

        scroll.setMinimumSize(new Dimension(dim.width, dim.height + 35));

        scroll.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER);

        scroll.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);

        this.documentTypesContainer.setLayout(new BorderLayout());

        this.documentTypesContainer.add(scroll, BorderLayout.CENTER);

        selectButton.setSelected(true);

    }

    private JRadioButton createDocumentTypeButton(final DocumentManager documentFactory) {

        final JRadioButton rb = new JRadioButton();

        rb.setIcon(documentFactory.getIcon());

        rb.setSelectedIcon(documentFactory.getIconSelected());

        rb.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);

        rb.setText(documentFactory.getTitle());

        rb.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);

        rb.setName(documentFactory.getTypeName());

        rb.addChangeListener(new javax.swing.event.ChangeListener() {

            @Override

            public void stateChanged(javax.swing.event.ChangeEvent e) {

                if (rb.isSelected()) {

                    currentDocumentType = documentFactory;

                    updateProjectDocumens();

                }

            }

        });

        return rb;

    }

    private void openDocumentWindow(Document doc) {

        if (doc == null) {

            return;

        }

        I18nManager i18n = ToolsLocator.getI18nManager();

        ApplicationManager application = ApplicationLocator.getManager();

        IWindow window = doc.getFactory().getMainWindow(doc);

        if (window == null) {

            application.message(

                    i18n.getTranslation("error_opening_the_document"),

                    JOptionPane.WARNING_MESSAGE

            );

            return;

        }

        application.getUIManager().addWindow(

                window,

                MDIManager.ALIGN_FIRST_LINE_END_CASCADE

        );

        project.setModified(true);

    }

    private void updateProjectDocumens() {

        if (project == null) {

            return;

        }

        I18nManager i18n = ToolsLocator.getI18nManager();

        this.lblDocument.setText(i18n.getTranslation("documentos_existentes"));

        String documentsTypeName = this.currentDocumentType.getTypeName();

        List<Document> documents = project.getDocuments(documentsTypeName);

        DefaultListModel model = new DefaultListModel(documents);

        this.lstDocuments.setModel(model);

        this.lblDocument.setText(currentDocumentType.getTitle());

        updateDocumentButtons();

    }

    private void updateDocumentButtons() {

        this.btnDocumentNew.setEnabled(true);

        if (this.lstDocuments.getSelectedIndex() != -1) {

            this.btnDocumentOpen.setEnabled(true);

            this.btnDocumentDelete.setEnabled(true);

            this.btnDocumentRename.setEnabled(true);

            this.btnDocumentProperties.setEnabled(true);

        } else {

            btnDocumentOpen.setEnabled(false);

            btnDocumentDelete.setEnabled(false);

            btnDocumentRename.setEnabled(false);

            btnDocumentProperties.setEnabled(false);

        }

    }

    private void doDocumentNew() {

        String documentsTypeName = this.currentDocumentType.getTypeName();

        ProjectManager projectManager = ProjectManager.getInstance(); 

        Iterator<? extends Document> documents = projectManager.createDocumentsByUser(documentsTypeName);

        while ( documents != null && documents.hasNext() ) {

            try {

                Document document = documents.next();

                project.addDocument(document);

                openDocumentWindow(document);

            } catch (Exception e) {

                LOG.warn("Can't open document", e);

            }

        }

        this.lstDocuments.requestFocus();        

        this.lstDocuments.setSelectedIndex(this.lstDocuments.getModel().getSize()-1);

    }

    private void doDocumentOpen() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        ApplicationManager application = ApplicationLocator.getManager();

        int[] indexes = this.lstDocuments.getSelectedIndices();

        for (int i = indexes.length - 1; i >= 0; i--) {

            int index = indexes[i];

            if (index == -1) {

                return;

            }

            String documentsTypeName = this.currentDocumentType.getTypeName();

            List<Document> documents = project.getDocuments(documentsTypeName);

            Document doc = documents.get(index);

            if (!doc.isAvailable()) {

                application.messageDialog(

                        i18n.getTranslation("document_not_available"),

                        i18n.getTranslation("abrir"),

                        JOptionPane.WARNING_MESSAGE

                );

            }

            IWindow win = doc.getMainWindow();

            openDocumentWindow(doc);

        }

    }

    private void doDocumentRename() {

        ApplicationManager application = ApplicationLocator.getManager();

        I18nManager i18n = ToolsLocator.getI18nManager();

        int index = this.lstDocuments.getSelectedIndex();

        if (index == -1) {

            return;

        }

        String DoumentTypeName = this.currentDocumentType.getTypeName();

        List<Document> documents = project.getDocuments(DoumentTypeName);

        Document doc = documents.get(index);

        String name = application.inputDialog(

                i18n.getTranslation("introduce_nombre"),

                i18n.getTranslation("renombrar"),

                JOptionPane.QUESTION_MESSAGE,

                doc.getName()

        );

        for (Document document : documents) {

            if (StringUtils.equals(document.getName(), name)) {

                application.messageDialog(

                        i18n.getTranslation("elemento_ya_existe"),

                        i18n.getTranslation("warning"),

                        JOptionPane.WARNING_MESSAGE

                );

                return;

            }

        }

        doc.setName(name);

        updateProjectDocumens();

        this.project.setModified(true);

    }

    private void doDocumentDelete() {

        ApplicationManager application = ApplicationLocator.getManager();

        I18nManager i18n = ToolsLocator.getI18nManager();

        int res = application.confirmDialog(

                i18n.getTranslation("confirmar_borrar"),

                i18n.getTranslation("borrar"),

                JOptionPane.YES_NO_OPTION,

                JOptionPane.INFORMATION_MESSAGE,

                "Confirm remove document from project"

        );

        int lastremoved = 0;

        if (res == JOptionPane.YES_OPTION) {

            String DoumentTypeName = this.currentDocumentType.getTypeName();

            int[] indexes = this.lstDocuments.getSelectedIndices();

            for (int i = indexes.length - 1; i >= 0; i--) {

                int index = indexes[i];

                List<Document> documents = project.getDocuments(DoumentTypeName);

                Document doc = documents.get(index);

                if (doc.isLocked()) {

                    application.messageDialog(

                            i18n.getTranslation("locked_element_it_cannot_be_deleted"),

                            i18n.getTranslation("Information"),

                            JOptionPane.INFORMATION_MESSAGE

                    );

                    return;

                }

                PluginServices.getMDIManager().closeSingletonWindow(doc);

                project.removeDocument(doc);

                lastremoved = index;

            }

            if (lastremoved >= this.lstDocuments.getModel().getSize()) {

                this.lstDocuments.setSelectedIndex(this.lstDocuments.getModel().getSize() - 1);

            } else if (lastremoved >= 0) {

                this.lstDocuments.setSelectedIndex(lastremoved);

            }

            project.setModified(true);

        }

    }

    private void doDocumentProperties() {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        ApplicationManager application = ApplicationLocator.getManager();

        int index = this.lstDocuments.getSelectedIndex();

        if (index == -1) {

            return;

        }

        String DoumentTypeName = this.currentDocumentType.getTypeName();

        List<Document> documents = project.getDocuments(DoumentTypeName);

        Document doc = documents.get(index);

        if (!doc.isAvailable()) {

            application.messageDialog(

                i18nManager.getTranslation("document_not_available"),

                i18nManager.getTranslation("properties"),

                JOptionPane.WARNING_MESSAGE

            );

            return;

        }

        IWindow properties = doc.getFactory().getPropertiesWindow(doc);

        application.getUIManager().addWindow(

                properties

        );

        this.lstDocuments.setSelectedIndex(index);

        project.setModified(true);

    }

    private void doProjectProperties() {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        WindowManager winmgr = ToolsSwingLocator.getWindowManager();

        ProjectProperties panel = new ProjectProperties(project);

        panel.addComponentListener(new ComponentAdapter() {

            @Override

            public void componentHidden(ComponentEvent e) {

                updateProjectProperties();

            }

        });

        winmgr.showWindow(

                panel,

                i18nManager.getTranslation("project_properties"),

                WindowManager.MODE.WINDOW

        );

    }

    private void doDocumentsSelectionChanged() {

        this.updateDocumentButtons();

    }

}