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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. and others. 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.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.ui.views.scriptpad.actions;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.action.Action;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.TransferData;
import org.eclipse.tcf.te.tcf.ui.views.scriptpad.ScriptPad;
/**
* Script Pad paste action handler implementation.
*/
public class PasteAction extends Action {
// Reference to the parent view
private final ScriptPad view;
/**
* Constructor.
*
* @param view The parent Script Pad view. Must not be <code>null</code>.
*/
public PasteAction(ScriptPad view) {
super();
Assert.isNotNull(view);
this.view = view;
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
if (view.getStyledText() == null || view.getStyledText().isDisposed()) return;
view.getStyledText().paste();
view.updateActionEnablements();
}
/**
* Updates the actions enabled action.
*/
public void updateEnabledState() {
boolean canPaste = false;
if (view.getStyledText() != null && view.getStyledText().getEditable()) {
Clipboard clipboard = new Clipboard(view.getStyledText().getDisplay());
TransferData[] td = clipboard.getAvailableTypes();
for (int i = 0; i < td.length; ++i) {
if (TextTransfer.getInstance().isSupportedType(td[i])) {
canPaste = true;
break;
}
}
clipboard.dispose();
}
setEnabled(canPaste);
}
}
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