Application: gvSIG desktop » gvSIG raster

package org.gvsig.raster.projecttemplate.app;

import java.awt.Component;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import java.util.List;

import javax.swing.JComponent;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

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

import org.gvsig.app.project.documents.view.gui.AbstractViewPanel;

import org.gvsig.fmap.dal.coverage.RasterLocator;

import org.gvsig.fmap.dal.coverage.util.FileUtils;

import org.gvsig.fmap.dal.exception.ReadException;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.FLayers;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.i18n.Messages;

import org.gvsig.raster.fmap.layers.FLyrRaster;

import org.gvsig.raster.projecttemplate.swing.ProjectTemplatePanel;

import org.gvsig.raster.projecttemplate.swing.ProjectTemplateSwingLocator;

import org.gvsig.raster.swing.RasterSwingLibrary;

import org.gvsig.raster.swing.RasterSwingLocator;

import org.gvsig.raster.swing.newlayer.CreateNewLayerPanel;

import org.gvsig.raster.swing.newlayer.FileNameManagement;

import org.gvsig.raster.swing.preview.PreviewPanel;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class ProjectTemplateExtension extends Extension implements ActionListener {

        private int                      windowWidth         = 600;

        private int                      windowHeight        = 350;

        private IWindow                  window              = null;

        private PreviewPanel             previewPanel        = null;

        private ProjectTemplatePreview   processPreview      = null;

        private ProjectTemplatePanel     panel               = null;

        private CreateNewLayerPanel      newLayerPanel       = null;

        private static final Logger      logger              = LoggerFactory.getLogger(ProjectTemplateExtension.class);

    public void initialize() {

            // Adds an entry to the TOC's floating menu to those layers defined in this extension

                //ExtensionPoint exPoint = ToolsLocator.getExtensionPointManager().add("My_TocActions");

                //exPoint.append("MyMenuEntry", "", new ProjectTemplateTocMenuEntry());

        // Adds a new tab to the "add layer" dialog

            //AddLayer.addWizard(ProjectTemplateWizard.class);

            // Adds a new button in the raster bar

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                ExtensionPoint point = extensionPoints.add("GenericToolBarMenu");

                point.append("ProjectTemplate", "", ProjectTemplateTocMenuEntry.getSingleton());

                ProjectTemplateTocMenuEntry.setExtension(this);

        Messages.addResourceFamily("org.gvsig.raster.projecttemplate.app.i18n.text",

                        ProjectTemplateExtension.class.getClassLoader(),

                        ProjectTemplateExtension.class.getClass().getName()); 

            initilizeIcons();

    }

        public void postInitialize() {

        }

    public void execute(String actionCommand) {

            if (actionCommand.compareTo("ProjectTemplate") == 0) {

                    if(getSelectedLayer() == null) {

                            RasterSwingLibrary.messageBoxError("layer_not_selected", null);

                            return;

                    }

                    try {

                            initializeMainPanel();

                    } catch (ReadException e) {

                            logger.error("Error initializing the main panel", e);

                    }

            }

    }

    /**

     * Creates and initializes the main panel

     * @throws ReadException

     */

    private void initializeMainPanel() throws ReadException {

       loadProjectTemplatePanel();

       MainPanel mainPanel = new MainPanel(

                       getProjectTemplatePanel().getComponent(), 

                       (JComponent)getNewLayerPanel());

       window = new ProjectTemplateWindow(

                       mainPanel, 

                       (JPanel)getPreviewPanel(), 

                       Messages.getText("projecttemplate"), 

                       windowWidth, 

                       windowHeight,

                       false,

                       this);

       PluginServices.getMDIManager().addWindow(window);

       getPreviewPanel().previewInitializeSizes();

       getPreviewPanel().refreshPreview();

    }

    /**

     * Loads the main panel with the data

     */

    private void loadProjectTemplatePanel() {

            //TODO: Load panel with the initial data

            LayerElement element = new LayerElement(getSelectedLayer());

            getProjectTemplatePanel().getDataModel().setInputLayer(element);

    }

    /**

     * Gets the list of layers from the gvSIG view

     * @return

     */

    private FLayers getLayers() {

        MapControl mapControl = null;

        IWindow[] windowList = PluginServices.getMDIManager().getAllWindows();

        for (int i = 0; i < windowList.length; i++) {

            if (windowList[i] instanceof AbstractViewPanel)

                mapControl = ((AbstractViewPanel) windowList[i]).getMapControl();

        }

        if (mapControl != null)

            return mapControl.getMapContext().getLayers();

        return null;

    }

    /**

     * Gets the selected layer

     * @return

     */

    private FLyrRaster getSelectedLayer() {

            FLayers lyrs = getLayers();

            for (int i = 0; i < lyrs.getLayersCount(); i++) {

                        FLayer lyr = lyrs.getLayer(i);

                        if(lyr.isActive() && lyr instanceof FLyrRaster)

                                return (FLyrRaster)lyr;

                }

            return null;

    }

    public boolean isEnabled() {

        return false;

    }

    public boolean isVisible() {

        return false;

    }

    void initilizeIcons() {

                IconThemeHelper.registerIcon(null, "gvsig-icon", this);

    }

    /**

     * Gets the {@link ProjectTemplatePanel}

     * @return {@link ProjectTemplatePanel}

     */

    private CreateNewLayerPanel getNewLayerPanel() {

            if(newLayerPanel == null)

                     newLayerPanel = RasterSwingLocator.getSwingManager().createNewLayerPanel(

                                     new FileNameManagementImpl(),

                                     Messages.getText("create_output_layer"));

            return newLayerPanel;

    }

    /**

     * Gets the {@link PreviewPanel}

     * @return {@link PreviewPanel}

     */

    private PreviewPanel getPreviewPanel() {

            if(previewPanel == null)

                    previewPanel = RasterSwingLocator.getSwingManager().createSinglePreviewPanel(null, getDataSourcePreview());

            return previewPanel;

    }

    /**

     * Gets the {@link ProjectTemplatePreview}

     * @return {@link ProjectTemplatePreview}

     */

    private ProjectTemplatePreview getDataSourcePreview() {

            if(processPreview == null) {

                    processPreview = new ProjectTemplatePreview();

            }

            processPreview.setData(getProjectTemplatePanel().getDataModel());

            return processPreview;

    }

    /**

     * Gets the {@link ProjectTemplatePanel}

     * @return {@link ProjectTemplatePanel}

     */

    private ProjectTemplatePanel getProjectTemplatePanel() {

            if(panel == null)

                    panel = ProjectTemplateSwingLocator.getSwingManager().createProjectTemplatePanel();

            return panel;

    }

        public void actionPerformed(ActionEvent e) {

        }

        public class FileNameManagementImpl implements FileNameManagement {

                private FileUtils fileUtils = RasterLocator.getManager().getFileUtils();

                public String getDefaultFilePath() {

                        return System.getProperty("user.home");

                }

                public List<String> getPrefixSupported() {

                        List<String> list = new ArrayList<String>();

                        list.add("tif");

                        return list;

                }

                public String getUniqueLayerName() {

                        return fileUtils.getOnlyLayerName();

                }

                public void usesUniqueLayerName() {

                        fileUtils.usesOnlyLayerName();

                }

        }

        public class LayerElement {

                private FLayer     lyr  = null;

                public LayerElement(FLayer lyr) {

                        this.lyr = lyr;

                }

                public FLayer getLayer() {

                        return lyr;

                }

                public String toString() {

                        return lyr.getName();

                }

                public int getNumOfElements() {

                        if(lyr instanceof FLyrRaster)

                                return ((FLyrRaster)lyr).getDataStore().getBandCount();

                        return 0;

                }

        }

}