/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.demo.filebrowser;
import java.util.Collection;
import java.util.List;
import java.util.logging.Logger;
import javax.swing.Action;
import javax.swing.SwingUtilities;
import org.demo.filebrowser.explorer.view.CustomListView;
import org.openide.util.LookupEvent;
import org.openide.util.NbBundle;
import org.openide.windows.TopComponent;
import org.openide.windows.WindowManager;
//import org.openide.util.ImageUtilities;
import org.netbeans.api.settings.ConvertAsProperties;
import org.openide.explorer.ExplorerManager;
import org.openide.explorer.ExplorerUtils;
import org.openide.filesystems.FileObject;
import org.openide.nodes.AbstractNode;
import org.openide.nodes.Children;
import org.openide.util.Lookup;
import org.openide.util.LookupListener;
import org.openide.util.RequestProcessor;
import org.openide.util.Utilities;
/**
* Top component which displays something.
*/
@ConvertAsProperties(dtd = "-//org.demo.filebrowser//FileBrowser//EN",
autostore = false)
public final class FileBrowserTopComponent extends TopComponent implements LookupListener, ExplorerManager.Provider {
private FileObject currentFolder = null;
private ExplorerManager em = new ExplorerManager();
private Lookup.Result result = null;
private static FileBrowserTopComponent instance;
/** path to the icon used by the component and its open action */
// static final String ICON_PATH = "SET/PATH/TO/ICON/HERE";
private static final String PREFERRED_ID = "FileBrowserTopComponent";
public FileBrowserTopComponent() {
initComponents();
initToolbar();
setName(NbBundle.getMessage(FileBrowserTopComponent.class, "CTL_FileBrowserTopComponent"));
setToolTipText(NbBundle.getMessage(FileBrowserTopComponent.class, "HINT_FileBrowserTopComponent"));
// setIcon(ImageUtilities.loadImage(ICON_PATH, true));
associateLookup(ExplorerUtils.createLookup(em, this.getActionMap()));
em.setRootContext(new AbstractNode(Children.LEAF));
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
jScrollPane1 = new CustomListView();
fileViewToolbar = new javax.swing.JToolBar();
setLayout(new java.awt.BorderLayout());
jScrollPane1.setBackground(new java.awt.Color(255, 255, 255));
add(jScrollPane1, java.awt.BorderLayout.CENTER);
fileViewToolbar.setFloatable(false);
fileViewToolbar.setRollover(true);
add(fileViewToolbar, java.awt.BorderLayout.NORTH);
}// </editor-fold>//GEN-END:initComponents
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JToolBar fileViewToolbar;
private javax.swing.JScrollPane jScrollPane1;
// End of variables declaration//GEN-END:variables
/**
* Gets default instance. Do not use directly: reserved for *.settings files only,
* i.e. deserialization routines; otherwise you could get a non-deserialized instance.
* To obtain the singleton instance, use {@link #findInstance}.
*/
public static synchronized FileBrowserTopComponent getDefault() {
if (instance == null) {
instance = new FileBrowserTopComponent();
}
return instance;
}
/**
* Obtain the FileBrowserTopComponent instance. Never call {@link #getDefault} directly!
*/
public static synchronized FileBrowserTopComponent findInstance() {
TopComponent win = WindowManager.getDefault().findTopComponent(PREFERRED_ID);
if (win == null) {
Logger.getLogger(FileBrowserTopComponent.class.getName()).warning(
"Cannot find " + PREFERRED_ID + " component. It will not be located properly in the window system.");
return getDefault();
}
if (win instanceof FileBrowserTopComponent) {
return (FileBrowserTopComponent) win;
}
Logger.getLogger(FileBrowserTopComponent.class.getName()).warning(
"There seem to be multiple components with the '" + PREFERRED_ID
+ "' ID. That is a potential source of errors and unexpected behavior.");
return getDefault();
}
@Override
public int getPersistenceType() {
return TopComponent.PERSISTENCE_ALWAYS;
}
@Override
public void componentOpened() {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
TopComponent tc = WindowManager.getDefault().findTopComponent("FolderViewerTopComponent");
if (tc == null) {
// XXX: message box?
return;
}
result = tc.getLookup().lookupResult(FileObject.class);
result.addLookupListener(FileBrowserTopComponent.this);
resultChanged(new LookupEvent(result));
}
});
}
@Override
public void componentClosed() {
result.removeLookupListener(this);
result = null;
}
void writeProperties(java.util.Properties p) {
// better to version settings since initial version as advocated at
// http://wiki.apidesign.org/wiki/PropertyFiles
p.setProperty("version", "1.0");
// TODO store your settings
}
Object readProperties(java.util.Properties p) {
if (instance == null) {
instance = this;
}
instance.readPropertiesImpl(p);
return instance;
}
private void readPropertiesImpl(java.util.Properties p) {
String version = p.getProperty("version");
// TODO read your settings according to their version
}
@Override
protected String preferredID() {
return PREFERRED_ID;
}
@Override
public void resultChanged(LookupEvent ev) {
Lookup.Result r = (Lookup.Result) ev.getSource();
Collection<FileObject> coll = r.allInstances();
if (!coll.isEmpty()) {
currentFolder = coll.iterator().next();
} else {
currentFolder = null;
}
refreshFolder();
}
private void initToolbar() {
List<? extends Action> alist = Utilities.actionsForPath("Toolbars/FileViewToolbar");
for (Action action : alist) {
this.fileViewToolbar.add(action);
}
}
private void refreshFolder() {
em.setRootContext(new FileNode(Children.create(new FileNode.FileNodeChildren(currentFolder), true)));
}
@Override
public ExplorerManager getExplorerManager() {
return em;
}
}