/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 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.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.ui.IActionDelegate;
import org.rssowl.core.persist.IAttachment;
import org.rssowl.core.persist.IBookMark;
import org.rssowl.core.persist.INews;
import org.rssowl.core.util.CoreUtils;
import org.rssowl.core.util.URIUtils;
import org.rssowl.ui.internal.OwlUI;
import java.net.URI;
import java.util.List;
/**
* Copy the Link of the given Elements into the Clipboard.. E.g. the Link of a
* BookMark's Feed.
*
* @author bpasero
*/
public class CopyLinkAction extends Action implements IActionDelegate {
/** ID of this Action */
public static final String ID = "org.rssowl.ui.CopyLinkAction"; //$NON-NLS-1$
private ISelection fSelection;
private boolean fIgnoreActiveSelection;
/**
* Set ID and Action Definition ID.
*/
public CopyLinkAction() {
setId(ID);
setActionDefinitionId(ID);
setText(Messages.CopyLinkAction_COPY_LINK);
setImageDescriptor(OwlUI.getImageDescriptor("icons/elcl16/copy_link.gif")); //$NON-NLS-1$
setDisabledImageDescriptor(OwlUI.getImageDescriptor("icons/dlcl16/copy_link.gif")); //$NON-NLS-1$
}
/**
* @param ignoreActiveSelection if <code>true</code>, the action will operate
* on the provided selection and otherwise looks for the current active
* selection.
*/
public void setIgnoreActiveSelection(boolean ignoreActiveSelection) {
fIgnoreActiveSelection = ignoreActiveSelection;
}
/*
* @see org.eclipse.jface.action.Action#isEnabled()
*/
@Override
public boolean isEnabled() {
ISelection selection = getSelection();
if (selection != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
List<?> list = ((IStructuredSelection) selection).toList();
for (Object entry : list) {
if (entry instanceof IBookMark || entry instanceof INews || entry instanceof IAttachment)
return true;
}
}
return false;
}
/*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
ISelection selection = (fIgnoreActiveSelection && fSelection != null) ? fSelection : getSelection();
if (selection != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
StringBuilder str = new StringBuilder();
/* Build Contents */
if (!structuredSelection.isEmpty()) {
List<?> list = structuredSelection.toList();
int i = 0;
for (Object element : list) {
/* Bookmark */
if (element instanceof IBookMark) {
str.append(i > 0 ? "\n" : "").append(URIUtils.toHTTP(((IBookMark) element).getFeedLinkReference().getLinkAsText())); //$NON-NLS-1$ //$NON-NLS-2$
i++;
}
/* News */
else if (element instanceof INews) {
INews news = (INews) element;
String link = CoreUtils.getLink(news);
if (link != null) {
str.append(i > 0 ? "\n" : "").append(link); //$NON-NLS-1$ //$NON-NLS-2$
i++;
}
}
/* Attachment */
else if (element instanceof IAttachment) {
IAttachment attachment = (IAttachment) element;
URI link = attachment.getLink();
if (link != null) {
str.append(i > 0 ? "\n" : "").append(link); //$NON-NLS-1$ //$NON-NLS-2$
i++;
}
}
}
}
/* Set Contents to Clipboard */
if (str.length() > 0)
OwlUI.getClipboard().setContents(new Object[] { str.toString() }, new Transfer[] { TextTransfer.getInstance() });
}
}
private ISelection getSelection() {
/* First look for active Selection */
ISelection activeSelection = OwlUI.getActiveSelection();
if (activeSelection != null && !activeSelection.isEmpty() && activeSelection instanceof IStructuredSelection)
return activeSelection;
/* Fallback to explicitly set one */
return fSelection;
}
/*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
run();
}
/*
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {
fSelection = selection;
}
}