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/*******************************************************************************
* Copyright (c) 2011 Ericsson
*
* 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:
* Bernd Hufmann - Initial API and implementation
*
*******************************************************************************/
package org.eclipse.linuxtools.lttng.ui.tracecontrol.model.config;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.linuxtools.lttng.core.tracecontrol.model.TraceResource.TraceState;
import org.eclipse.linuxtools.lttng.core.tracecontrol.model.config.TraceChannel;
import org.eclipse.linuxtools.lttng.ui.tracecontrol.wizards.KernelTraceChannelConfigurationPage;
import org.eclipse.swt.widgets.TableItem;
/**
* <b><u>TraceChannelCellModifier</u></b>
* <p>
* ICellModifier implementation for TableViewers in order to modify cells of a table used for
* for displaying and configuring trace channel information.
* </p>
*/
public class TraceChannelCellModifier implements ICellModifier {
// ------------------------------------------------------------------------
// Attributes
// -----------------------------------------------------------------------
KernelTraceChannelConfigurationPage fConfigPage;
// ------------------------------------------------------------------------
// Constructors
// -----------------------------------------------------------------------
/**
* Constructor
*
* @param configPage The trace configuration reference
*/
public TraceChannelCellModifier(KernelTraceChannelConfigurationPage configPage) {
fConfigPage = configPage;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ICellModifier#canModify(java.lang.Object, java.lang.String)
*/
@Override
public boolean canModify(Object element, String property) {
// Find the index of the column
int columnIndex = fConfigPage.getColumnProperties().indexOf(property);
switch (columnIndex) {
case 0: // Name
return false;
case 1: // Enabled
case 2: // Buffer Overwrite
case 3: // SubbufNum
case 4: // SubbufSize
if ((fConfigPage.getTraceState() == TraceState.CREATED) || (fConfigPage.getTraceState() == TraceState.CONFIGURED)) {
return true;
}
break;
case 5: // Channel Timer
if (fConfigPage.isLocalTrace() && ((fConfigPage.getTraceState() == TraceState.CREATED) || (fConfigPage.getTraceState() == TraceState.CONFIGURED))) {
return true;
}
break;
default:
}
return false;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ICellModifier#getValue(java.lang.Object, java.lang.String)
*/
@Override
public Object getValue(Object element, String property) {
// Find the index of the column
int columnIndex = fConfigPage.getColumnProperties().indexOf(property);
Object result = null;
TraceChannel chan = (TraceChannel) element;
switch (columnIndex) {
case 0: // Name
result = chan.getName();
break;
case 1: // Enabled
result = Boolean.valueOf(chan.isEnabled());
break;
case 2: // Buffer Overwrite
result = Boolean.valueOf(chan.isChannelOverride());
break;
case 3: // SubbufNum
result = String.valueOf(chan.getSubbufNum());
break;
case 4: // SubbufSize
result = String.valueOf(chan.getSubbufSize());
break;
case 5: // Channel Timer
result = String.valueOf(chan.getTimer());
break;
default:
result = ""; //$NON-NLS-1$
}
return result;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ICellModifier#modify(java.lang.Object, java.lang.String, java.lang.Object)
*/
@Override
public void modify(Object element, String property, Object value) {
// Find the index of the column
int columnIndex = fConfigPage.getColumnProperties().indexOf(property);
TableItem item = (TableItem) element;
TraceChannel chan = (TraceChannel) item.getData();
String valueString;
switch (columnIndex) {
case 0:
chan.setName(((String) value).trim());
break;
case 1: // Name
chan.setIsEnabled(((Boolean) value).booleanValue());
break;
case 2:
chan.setIsChannelOverride(((Boolean) value).booleanValue());
break;
case 3: // SubbufNum
valueString = ((String) value).trim();
if (valueString.length() == 0) {
valueString = "0"; //$NON-NLS-1$
}
else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) {
chan.setSubbufNum(TraceChannel.UNKNOWN_VALUE);
}
else {
chan.setSubbufNum(Integer.parseInt(valueString));
}
break;
case 4: // SubbufSize
valueString = ((String) value).trim();
if (valueString.length() == 0) {
valueString = "0"; //$NON-NLS-1$
}
else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) {
chan.setSubbufSize(TraceChannel.UNKNOWN_VALUE);
}
else {
chan.setSubbufSize(Integer.parseInt(valueString));
}
break;
case 5: // Channel Timer
valueString = ((String) value).trim();
if (valueString.length() == 0) {
valueString = "0"; //$NON-NLS-1$
}
else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) {
chan.setTimer(TraceChannel.UNKNOWN_VALUE);
}
else {
chan.setTimer(Integer.parseInt(valueString));
}
break;
default:
}
fConfigPage.refresh();
}
}
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