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/*******************************************************************************
* Copyright (c) 2012 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.ui.terminals.tabs;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.tm.internal.terminal.control.CommandInputFieldWithHistory;
import org.eclipse.tm.internal.terminal.control.ITerminalViewControl;
import org.eclipse.ui.services.IDisposable;
/**
* Tab command input field handler implementation.
*/
@SuppressWarnings("restriction")
public class TabCommandFieldHandler implements IDisposable, IAdaptable {
// Reference to the parent tab folder manager
private final TabFolderManager tabFolderManager;
// Reference to the associated tab
private final CTabItem item;
// Reference to the command input field
private CommandInputFieldWithHistory field;
// The command field history
private String history;
/**
* Constructor.
*
* @param tabFolderManager The parent tab folder manager. Must not be <code>null</code>
* @param item The associated tab item. Must not be <code>null</code>.
*/
public TabCommandFieldHandler(TabFolderManager tabFolderManager, CTabItem item) {
Assert.isNotNull(tabFolderManager);
this.tabFolderManager = tabFolderManager;
Assert.isNotNull(item);
this.item = item;
}
/* (non-Javadoc)
* @see org.eclipse.ui.services.IDisposable#dispose()
*/
@Override
public void dispose() {
field = null;
history = null;
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
*/
@Override
public Object getAdapter(Class adapter) {
if (TabFolderManager.class.equals(adapter)) {
return tabFolderManager;
}
if (CTabItem.class.equals(adapter)) {
return item;
}
return null;
}
/**
* Returns if or if not the associated tab item has the command input field enabled.
*
* @return <code>True</code> if the command input field is enabled, <code>false</code> otherwise.
*/
public boolean hasCommandInputField() {
return field != null;
}
/**
* Set the command input field on or off.
*
* @param on <code>True</code> for on, <code>false</code> for off.
*/
public void setCommandInputField(boolean on) {
// save the old history
if (field != null) {
history = field.getHistory();
field = null;
}
if (on) {
field = new CommandInputFieldWithHistory(100);
field.setHistory(history);
}
// Apply to the terminal control
Assert.isTrue(!item.isDisposed());
ITerminalViewControl terminal = (ITerminalViewControl)item.getData();
if (terminal != null) terminal.setCommandInputField(field);
}
}
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