| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2011 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Bernd Hufmann - Initial API and implementation |
| 11 | * |
| 12 | *******************************************************************************/ |
| 13 | package org.eclipse.linuxtools.lttng.ui.tracecontrol.model.config; |
| 14 | |
| 15 | import org.eclipse.jface.viewers.ICellModifier; |
| 16 | import org.eclipse.linuxtools.lttng.core.tracecontrol.model.TraceResource.TraceState; |
| 17 | import org.eclipse.linuxtools.lttng.core.tracecontrol.model.config.TraceChannel; |
| 18 | import org.eclipse.linuxtools.lttng.ui.tracecontrol.wizards.KernelTraceChannelConfigurationPage; |
| 19 | import org.eclipse.swt.widgets.TableItem; |
| 20 | |
| 21 | /** |
| 22 | * <b><u>TraceChannelCellModifier</u></b> |
| 23 | * <p> |
| 24 | * ICellModifier implementation for TableViewers in order to modify cells of a table used for |
| 25 | * for displaying and configuring trace channel information. |
| 26 | * </p> |
| 27 | */ |
| 28 | public class TraceChannelCellModifier implements ICellModifier { |
| 29 | |
| 30 | // ------------------------------------------------------------------------ |
| 31 | // Attributes |
| 32 | // ----------------------------------------------------------------------- |
| 33 | KernelTraceChannelConfigurationPage fConfigPage; |
| 34 | |
| 35 | // ------------------------------------------------------------------------ |
| 36 | // Constructors |
| 37 | // ----------------------------------------------------------------------- |
| 38 | |
| 39 | /** |
| 40 | * Constructor |
| 41 | * |
| 42 | * @param configPage The trace configuration reference |
| 43 | */ |
| 44 | public TraceChannelCellModifier(KernelTraceChannelConfigurationPage configPage) { |
| 45 | fConfigPage = configPage; |
| 46 | } |
| 47 | |
| 48 | /* |
| 49 | * (non-Javadoc) |
| 50 | * @see org.eclipse.jface.viewers.ICellModifier#canModify(java.lang.Object, java.lang.String) |
| 51 | */ |
| 52 | @Override |
| 53 | public boolean canModify(Object element, String property) { |
| 54 | // Find the index of the column |
| 55 | int columnIndex = fConfigPage.getColumnProperties().indexOf(property); |
| 56 | |
| 57 | switch (columnIndex) { |
| 58 | case 0: // Name |
| 59 | return false; |
| 60 | case 1: // Enabled |
| 61 | case 2: // Buffer Overwrite |
| 62 | case 3: // SubbufNum |
| 63 | case 4: // SubbufSize |
| 64 | if ((fConfigPage.getTraceState() == TraceState.CREATED) || (fConfigPage.getTraceState() == TraceState.CONFIGURED)) { |
| 65 | return true; |
| 66 | } |
| 67 | break; |
| 68 | case 5: // Channel Timer |
| 69 | if (fConfigPage.isLocalTrace() && ((fConfigPage.getTraceState() == TraceState.CREATED) || (fConfigPage.getTraceState() == TraceState.CONFIGURED))) { |
| 70 | return true; |
| 71 | } |
| 72 | break; |
| 73 | default: |
| 74 | } |
| 75 | return false; |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * (non-Javadoc) |
| 80 | * @see org.eclipse.jface.viewers.ICellModifier#getValue(java.lang.Object, java.lang.String) |
| 81 | */ |
| 82 | @Override |
| 83 | public Object getValue(Object element, String property) { |
| 84 | |
| 85 | // Find the index of the column |
| 86 | int columnIndex = fConfigPage.getColumnProperties().indexOf(property); |
| 87 | |
| 88 | Object result = null; |
| 89 | TraceChannel chan = (TraceChannel) element; |
| 90 | |
| 91 | switch (columnIndex) { |
| 92 | case 0: // Name |
| 93 | result = chan.getName(); |
| 94 | break; |
| 95 | case 1: // Enabled |
| 96 | result = Boolean.valueOf(chan.isEnabled()); |
| 97 | break; |
| 98 | case 2: // Buffer Overwrite |
| 99 | result = Boolean.valueOf(chan.isChannelOverride()); |
| 100 | break; |
| 101 | case 3: // SubbufNum |
| 102 | result = String.valueOf(chan.getSubbufNum()); |
| 103 | break; |
| 104 | case 4: // SubbufSize |
| 105 | result = String.valueOf(chan.getSubbufSize()); |
| 106 | break; |
| 107 | case 5: // Channel Timer |
| 108 | result = String.valueOf(chan.getTimer()); |
| 109 | break; |
| 110 | default: |
| 111 | result = ""; //$NON-NLS-1$ |
| 112 | } |
| 113 | return result; |
| 114 | } |
| 115 | |
| 116 | /* |
| 117 | * (non-Javadoc) |
| 118 | * @see org.eclipse.jface.viewers.ICellModifier#modify(java.lang.Object, java.lang.String, java.lang.Object) |
| 119 | */ |
| 120 | @Override |
| 121 | public void modify(Object element, String property, Object value) { |
| 122 | // Find the index of the column |
| 123 | int columnIndex = fConfigPage.getColumnProperties().indexOf(property); |
| 124 | |
| 125 | TableItem item = (TableItem) element; |
| 126 | TraceChannel chan = (TraceChannel) item.getData(); |
| 127 | String valueString; |
| 128 | |
| 129 | switch (columnIndex) { |
| 130 | case 0: |
| 131 | chan.setName(((String) value).trim()); |
| 132 | break; |
| 133 | case 1: // Name |
| 134 | chan.setIsEnabled(((Boolean) value).booleanValue()); |
| 135 | break; |
| 136 | case 2: |
| 137 | chan.setIsChannelOverride(((Boolean) value).booleanValue()); |
| 138 | break; |
| 139 | case 3: // SubbufNum |
| 140 | valueString = ((String) value).trim(); |
| 141 | if (valueString.length() == 0) { |
| 142 | valueString = "0"; //$NON-NLS-1$ |
| 143 | } |
| 144 | else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) { |
| 145 | chan.setSubbufNum(TraceChannel.UNKNOWN_VALUE); |
| 146 | } |
| 147 | else { |
| 148 | chan.setSubbufNum(Integer.parseInt(valueString)); |
| 149 | } |
| 150 | break; |
| 151 | case 4: // SubbufSize |
| 152 | valueString = ((String) value).trim(); |
| 153 | if (valueString.length() == 0) { |
| 154 | valueString = "0"; //$NON-NLS-1$ |
| 155 | } |
| 156 | else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) { |
| 157 | chan.setSubbufSize(TraceChannel.UNKNOWN_VALUE); |
| 158 | } |
| 159 | else { |
| 160 | chan.setSubbufSize(Integer.parseInt(valueString)); |
| 161 | } |
| 162 | break; |
| 163 | case 5: // Channel Timer |
| 164 | valueString = ((String) value).trim(); |
| 165 | if (valueString.length() == 0) { |
| 166 | valueString = "0"; //$NON-NLS-1$ |
| 167 | } |
| 168 | else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) { |
| 169 | chan.setTimer(TraceChannel.UNKNOWN_VALUE); |
| 170 | } |
| 171 | else { |
| 172 | chan.setTimer(Integer.parseInt(valueString)); |
| 173 | } |
| 174 | break; |
| 175 | default: |
| 176 | } |
| 177 | fConfigPage.refresh(); |
| 178 | } |
| 179 | } |