/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2006 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** All rights reserved **
** **
** This program and the accompanying materials are made available under **
** the terms of the Eclipse Public License v1.0 which accompanies this **
** distribution, and is available at: **
** http://www.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.ui.internal.actions;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.jface.resource.ResourceManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.rssowl.core.Owl;
import org.rssowl.core.persist.IFolder;
import org.rssowl.core.persist.IMark;
import org.rssowl.core.persist.dao.DynamicDAO;
import org.rssowl.core.persist.dao.IPreferenceDAO;
import org.rssowl.core.persist.reference.FolderReference;
import org.rssowl.core.persist.service.PersistenceException;
import org.rssowl.ui.internal.FolderChooser;
import org.rssowl.ui.internal.OwlUI;
import org.rssowl.ui.internal.util.LayoutUtils;
import org.rssowl.ui.internal.views.explorer.BookMarkExplorer;
import java.util.Map;
/**
* TODO This is a rough-Action which is not polished or optimized and only for
* developers purposes!
*
* @author bpasero
*/
public class NewFolderAction implements IWorkbenchWindowActionDelegate, IObjectActionDelegate {
private Shell fShell;
private IFolder fParent;
private IMark fPosition;
private boolean fRootMode;
private class NewFolderDialog extends TitleAreaDialog {
private Text fNameInput;
private ResourceManager fResources;
private String fName;
private IFolder fFolder;
private FolderChooser fFolderChooser;
NewFolderDialog(Shell shell, IFolder folder) {
super(shell);
fFolder = folder;
fResources = new LocalResourceManager(JFaceResources.getResources());
}
@Override
public void create() {
super.create();
getButton(IDialogConstants.OK_ID).setEnabled(false);
}
@Override
protected void okPressed() {
fName = fNameInput.getText();
super.okPressed();
}
@Override
public boolean close() {
boolean res = super.close();
fResources.dispose();
return res;
}
@Override
protected void configureShell(Shell newShell) {
newShell.setText(fRootMode ? "New Bookmark-Set" : "New Folder");
super.configureShell(newShell);
}
@Override
protected Control createDialogArea(Composite parent) {
/* Separator */
new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL).setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
/* Title Image */
setTitleImage(OwlUI.getImage(fResources, fRootMode ? "icons/wizban/bkmrk_set_title.gif" : "icons/wizban/folder_wiz.gif"));
/* Title Message */
setMessage("Please enter the name of the " + (fRootMode ? "Bookmark-Set" : "Folder"), IMessageProvider.INFORMATION);
Composite container = new Composite(parent, SWT.NONE);
container.setLayout(LayoutUtils.createGridLayout(2, 5, 5));
container.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
Label l1 = new Label(container, SWT.NONE);
l1.setText("Name: ");
fNameInput = new Text(container, SWT.SINGLE | SWT.BORDER);
fNameInput.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
fNameInput.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateInput();
}
});
if (!fRootMode) {
Label l2 = new Label(container, SWT.NONE);
l2.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
l2.setText("Location: ");
/* Folder Chooser */
fFolderChooser = new FolderChooser(container, fFolder, SWT.BORDER);
fFolderChooser.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
fFolderChooser.setLayout(LayoutUtils.createGridLayout(1, 0, 0, 2, 5, false));
fFolderChooser.setBackground(container.getDisplay().getSystemColor(SWT.COLOR_WHITE));
}
return container;
}
@Override
protected void initializeBounds() {
super.initializeBounds();
Point bestSize = getShell().computeSize(convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH), SWT.DEFAULT);
getShell().setSize(bestSize.x, bestSize.y);
LayoutUtils.positionShell(getShell(), false);
}
private void validateInput() {
boolean valid = fNameInput.getText().length() > 0;
Control button = getButton(IDialogConstants.OK_ID);
button.setEnabled(valid);
}
IFolder getFolder() {
return fRootMode ? null : fFolderChooser.getFolder();
}
}
/** Keep for Reflection */
public NewFolderAction() {
this(null, null, null);
}
/**
* @param shell
* @param parent
* @param position
*/
public NewFolderAction(Shell shell, IFolder parent, IMark position) {
fShell = shell;
fParent = parent;
fPosition = position;
}
/**
* @param rootMode If <code>TRUE</code>, creates new Folders on the root,
* thereby making them Bookmark-Sets.
*/
public void setRootMode(boolean rootMode) {
fRootMode = rootMode;
}
/*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
*/
public void dispose() {}
/*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
*/
public void init(IWorkbenchWindow window) {
fShell = window.getShell();
}
/*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
internalRun();
}
private void internalRun() throws PersistenceException {
/* Get the parent Folder */
IFolder parent = fRootMode ? null : getParent();
/* Show Dialog */
NewFolderDialog dialog = new NewFolderDialog(fShell, parent);
if (dialog.open() == Window.OK) {
String name = dialog.fName;
parent = dialog.getFolder();
/* Create the Folder */
if (fRootMode || parent != null) {
IFolder folder = Owl.getModelFactory().createFolder(null, parent, name, fPosition, fPosition != null ? true : null);
/* Copy all Properties from Parent into this Mark */
if (parent != null) {
Map<String, ? > properties = parent.getProperties();
for (Map.Entry<String, ? > property : properties.entrySet())
folder.setProperty(property.getKey(), property.getValue());
}
DynamicDAO.save(fRootMode ? folder : parent);
}
}
}
/*
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
* org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {
/* Delete the old Selection */
fParent = null;
fPosition = null;
/* Check Selection */
if (selection instanceof IStructuredSelection) {
IStructuredSelection structSel = (IStructuredSelection) selection;
if (!structSel.isEmpty()) {
Object firstElement = structSel.getFirstElement();
if (firstElement instanceof IFolder)
fParent = (IFolder) firstElement;
else if (firstElement instanceof IMark) {
fParent = ((IMark) firstElement).getParent();
fPosition = ((IMark)firstElement);
}
}
}
}
/*
* @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction,
* org.eclipse.ui.IWorkbenchPart)
*/
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
fShell = targetPart.getSite().getShell();
}
private IFolder getParent() throws PersistenceException {
String selectedBookMarkSetPref = BookMarkExplorer.getSelectedBookMarkSetPref(OwlUI.getWindow());
Long selectedRootFolderID = DynamicDAO.getDAO(IPreferenceDAO.class).load(selectedBookMarkSetPref).getLong();
/* Check if available Parent is still valid */
if (fParent != null) {
if (hasParent(fParent, new FolderReference(selectedRootFolderID)))
return fParent;
}
/* Otherwise return visible root-folder */
return new FolderReference(selectedRootFolderID).resolve();
}
private boolean hasParent(IFolder folder, FolderReference folderRef) {
if (folder == null)
return false;
if (folderRef.references(folder))
return true;
return hasParent(folder.getParent(), folderRef);
}
}