[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / views / filter / FilterViewer.java

/*******************************************************************************\r
 * Copyright (c) 2010 Ericsson\r
 * \r
 * All rights reserved. This program and the accompanying materials are\r
 * made available under the terms of the Eclipse Public License v1.0 which\r
 * accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 * \r
 * Contributors:\r
 *   Patrick Tasse - Initial API and implementation\r
 *******************************************************************************/\r
\r
package org.eclipse.linuxtools.tmf.ui.views.filter;\r
\r
import java.util.ArrayList;\r
import java.util.LinkedHashMap;\r
import java.util.Map;\r
import java.util.Map.Entry;\r
\r
import org.eclipse.core.runtime.CoreException;\r
import org.eclipse.core.runtime.IConfigurationElement;\r
import org.eclipse.jface.action.Action;\r
import org.eclipse.jface.action.IMenuListener;\r
import org.eclipse.jface.action.IMenuManager;\r
import org.eclipse.jface.action.MenuManager;\r
import org.eclipse.jface.action.Separator;\r
import org.eclipse.jface.viewers.ISelection;\r
import org.eclipse.jface.viewers.ISelectionChangedListener;\r
import org.eclipse.jface.viewers.IStructuredSelection;\r
import org.eclipse.jface.viewers.SelectionChangedEvent;\r
import org.eclipse.jface.viewers.StructuredSelection;\r
import org.eclipse.jface.viewers.TreeViewer;\r
import org.eclipse.linuxtools.tmf.core.event.TmfEvent;\r
import org.eclipse.linuxtools.tmf.core.event.TmfEventType;\r
import org.eclipse.linuxtools.tmf.core.filter.model.ITmfFilterTreeNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterAndNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterCompareNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterContainsNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterEqualsNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterEventTypeNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterMatchesNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterOrNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterRootNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterCompareNode.Type;\r
import org.eclipse.linuxtools.tmf.core.util.TmfTraceType;\r
import org.eclipse.linuxtools.tmf.ui.internal.Messages;\r
import org.eclipse.linuxtools.tmf.ui.parsers.custom.CustomTraceDefinition.OutputColumn;\r
import org.eclipse.linuxtools.tmf.ui.parsers.custom.CustomTxtEvent;\r
import org.eclipse.linuxtools.tmf.ui.parsers.custom.CustomTxtTrace;\r
import org.eclipse.linuxtools.tmf.ui.parsers.custom.CustomTxtTraceDefinition;\r
import org.eclipse.linuxtools.tmf.ui.parsers.custom.CustomXmlEvent;\r
import org.eclipse.linuxtools.tmf.ui.parsers.custom.CustomXmlTrace;\r
import org.eclipse.linuxtools.tmf.ui.parsers.custom.CustomXmlTraceDefinition;\r
import org.eclipse.swt.SWT;\r
import org.eclipse.swt.custom.SashForm;\r
import org.eclipse.swt.events.FocusEvent;\r
import org.eclipse.swt.events.FocusListener;\r
import org.eclipse.swt.events.ModifyEvent;\r
import org.eclipse.swt.events.ModifyListener;\r
import org.eclipse.swt.events.SelectionAdapter;\r
import org.eclipse.swt.events.SelectionEvent;\r
import org.eclipse.swt.layout.FillLayout;\r
import org.eclipse.swt.layout.GridData;\r
import org.eclipse.swt.layout.GridLayout;\r
import org.eclipse.swt.widgets.Button;\r
import org.eclipse.swt.widgets.Combo;\r
import org.eclipse.swt.widgets.Composite;\r
import org.eclipse.swt.widgets.Control;\r
import org.eclipse.swt.widgets.Display;\r
import org.eclipse.swt.widgets.Label;\r
import org.eclipse.swt.widgets.Menu;\r
import org.eclipse.swt.widgets.Text;\r
import org.eclipse.swt.widgets.TreeItem;\r
\r
class FilterViewer extends Composite {\r
\r
    private static final String CUSTOM_TXT_CATEGORY = "Custom Text"; //$NON-NLS-1$\r
    private static final String CUSTOM_XML_CATEGORY = "Custom XML"; //$NON-NLS-1$\r
\r
    private TreeViewer fViewer;\r
    private Composite fComposite;\r
    \r
    public FilterViewer(Composite parent, int style) {\r
        super(parent, style);\r
\r
        setLayout(new FillLayout());\r
        GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);\r
        setLayoutData(gd);\r
        \r
        final SashForm sash = new SashForm(this, SWT.HORIZONTAL);\r
\r
        // Create the tree viewer to display the filter tree\r
        fViewer = new TreeViewer(sash, SWT.NONE);\r
        fViewer.setContentProvider(new FilterTreeContentProvider());\r
        fViewer.setLabelProvider(new FilterTreeLabelProvider());\r
        fViewer.setInput(new TmfFilterRootNode());\r
        \r
        // Create the empty filter node properties panel\r
        fComposite = new Composite(sash, SWT.NONE);\r
        GridLayout gl = new GridLayout();\r
        gl.marginHeight = 0;\r
        gl.marginWidth = 0;\r
        fComposite.setLayout(gl);\r
\r
        createContextMenu();\r
        \r
        fViewer.addSelectionChangedListener(new ISelectionChangedListener() {\r
            @Override\r
            public void selectionChanged(SelectionChangedEvent event) {\r
                if (!(event.getSelection().isEmpty()) && event.getSelection() instanceof IStructuredSelection) {\r
                    // Update the filter node properties panel to the selection\r
                    IStructuredSelection selection = (IStructuredSelection) event.getSelection();\r
                    ITmfFilterTreeNode node = (ITmfFilterTreeNode) selection.getFirstElement();\r
                    updateFilterNodeComposite(node);\r
                    // Highlight the selection's children\r
                    highlightTreeItems(fViewer.getTree().getSelection()[0].getItems());\r
                } else {\r
                    updateFilterNodeComposite(null);\r
                }\r
            }\r
        });\r
    }\r
    \r
    /**\r
     * Create the context menu for the tree viewer\r
     */\r
    private void createContextMenu() {\r
        // Adds root context menu\r
        MenuManager menuManager = new MenuManager();\r
        menuManager.setRemoveAllWhenShown(true);\r
        menuManager.addMenuListener(new IMenuListener() {\r
            @Override\r
            public void menuAboutToShow(IMenuManager manager) {\r
                fillContextMenu(manager);\r
            }\r
        });\r
\r
        // Context\r
        Menu contextMenu = menuManager.createContextMenu(fViewer.getTree());\r
\r
        // Publish it\r
        fViewer.getTree().setMenu(contextMenu);\r
    }\r
    \r
    /**\r
     * Fill the context menu for the tree viewer\r
     */\r
    protected void fillContextMenu(IMenuManager manager) {\r
        final ISelection selection = fViewer.getSelection();\r
        ITmfFilterTreeNode filterTreeNode = null;\r
        if (selection instanceof StructuredSelection) {\r
            Object element = ((StructuredSelection) selection).getFirstElement();\r
            if (element instanceof ITmfFilterTreeNode) {\r
                filterTreeNode = (ITmfFilterTreeNode) element;\r
            }\r
        }\r
\r
        final ITmfFilterTreeNode selectedNode = filterTreeNode;\r
        \r
        if (selectedNode != null) {\r
            \r
            fillContextMenuForNode(selectedNode, manager);\r
            \r
            if (selectedNode.getValidChildren().size() > 0) {\r
                manager.add(new Separator());\r
            }\r
\r
            Action deleteAction = new Action() {\r
                @Override\r
                public void run() {\r
                    selectedNode.remove();\r
                    fViewer.refresh();\r
                }\r
            };\r
            deleteAction.setText(Messages.FilterViewer_DeleteActionText);\r
            manager.add(deleteAction);\r
            \r
            manager.add(new Separator());\r
        }\r
\r
        if (fViewer.getInput() instanceof TmfFilterRootNode || selectedNode == null) {\r
            final ITmfFilterTreeNode root = (ITmfFilterTreeNode) fViewer.getInput();\r
            \r
            fillContextMenuForNode(root, manager);\r
        }\r
    }\r
    \r
    /**\r
     * Fill the context menu with the valid children of the provided node\r
     */\r
    protected void fillContextMenuForNode(final ITmfFilterTreeNode node, IMenuManager manager) {\r
        for (final String child : node.getValidChildren()) {\r
            final Action action = new Action() {\r
                @Override\r
                public void run() {\r
                    ITmfFilterTreeNode newNode = null;\r
                    if (TmfFilterNode.NODE_NAME.equals(child)) {\r
                        newNode = new TmfFilterNode(node, ""); //$NON-NLS-1$\r
                    } else if (TmfFilterEventTypeNode.NODE_NAME.equals(child)) {\r
                        newNode = new TmfFilterEventTypeNode(node);\r
                    } else if (TmfFilterAndNode.NODE_NAME.equals(child)) {\r
                        newNode = new TmfFilterAndNode(node);\r
                    } else if (TmfFilterOrNode.NODE_NAME.equals(child)) {\r
                        newNode = new TmfFilterOrNode(node);\r
                    } else if (TmfFilterContainsNode.NODE_NAME.equals(child)) {\r
                        newNode = new TmfFilterContainsNode(node);\r
                    } else if (TmfFilterEqualsNode.NODE_NAME.equals(child)) {\r
                        newNode = new TmfFilterEqualsNode(node);\r
                    } else if (TmfFilterMatchesNode.NODE_NAME.equals(child)) {\r
                        newNode = new TmfFilterMatchesNode(node);\r
                    } else if (TmfFilterCompareNode.NODE_NAME.equals(child)) {\r
                        newNode = new TmfFilterCompareNode(node);\r
                    }\r
                    if (newNode != null) {\r
                        fViewer.refresh();\r
                        fViewer.setSelection(new StructuredSelection(newNode), true);\r
                    }\r
                }\r
            };\r
            if (TmfFilterNode.NODE_NAME.equals(child)) {\r
                action.setText(Messages.FilterViewer_NewPrefix + " " + child); //$NON-NLS-1$\r
            } else {\r
                action.setText(child);\r
            }\r
            manager.add(action);\r
        }\r
    }\r
    \r
    /**\r
     * Create the appropriate filter node properties composite\r
     */\r
    private void updateFilterNodeComposite(ITmfFilterTreeNode node) {\r
        for (Control control : fComposite.getChildren()) {\r
            control.dispose();\r
        }\r
        \r
        if (node instanceof TmfFilterNode) {\r
            new FilterNodeComposite(fComposite, (TmfFilterNode) node);\r
        } else if (node instanceof TmfFilterEventTypeNode) {\r
            new FilterEventTypeNodeComposite(fComposite, (TmfFilterEventTypeNode) node);\r
        } else if (node instanceof TmfFilterAndNode) {\r
            new FilterAndNodeComposite(fComposite, (TmfFilterAndNode) node);\r
        } else if (node instanceof TmfFilterOrNode) {\r
            new FilterOrNodeComposite(fComposite, (TmfFilterOrNode) node);\r
        } else if (node instanceof TmfFilterContainsNode) {\r
            new FilterContainsNodeComposite(fComposite, (TmfFilterContainsNode) node);\r
        } else if (node instanceof TmfFilterEqualsNode) {\r
            new FilterEqualsNodeComposite(fComposite, (TmfFilterEqualsNode) node);\r
        } else if (node instanceof TmfFilterMatchesNode) {\r
            new FilterMatchesNodeComposite(fComposite, (TmfFilterMatchesNode) node);\r
        } else if (node instanceof TmfFilterCompareNode) {\r
            new FilterCompareNodeComposite(fComposite, (TmfFilterCompareNode) node);\r
        } else {\r
            new FilterBaseNodeComposite(fComposite);\r
        }\r
        fComposite.layout();\r
    }\r
    \r
    /**\r
     * Highlight the provided tree items\r
     */\r
    private void highlightTreeItems(TreeItem[] items) {\r
        resetTreeItems(fViewer.getTree().getItems());\r
        for (TreeItem item : items) {\r
            item.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLUE));\r
        }\r
\r
    }\r
    \r
    /**\r
     * Reset the provided tree items (remove highlight)\r
     */\r
    private void resetTreeItems(TreeItem[] items) {\r
        for (TreeItem item : items) {\r
            item.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK));\r
            resetTreeItems(item.getItems());\r
        }\r
    }\r
    \r
    public void setInput(ITmfFilterTreeNode root) {\r
        fViewer.setInput(root);\r
        fViewer.expandAll();\r
        \r
        updateFilterNodeComposite(null);\r
    }\r
    \r
    public ITmfFilterTreeNode getInput() {\r
        return (ITmfFilterTreeNode) fViewer.getInput();\r
    }\r
    \r
    public void refresh() {\r
        fViewer.refresh();\r
    }\r
\r
    public void setSelection(ITmfFilterTreeNode node, boolean reveal) {\r
        fViewer.setSelection(new StructuredSelection(node), reveal);\r
    }\r
\r
    public void setSelection(ITmfFilterTreeNode node) {\r
        fViewer.setSelection(new StructuredSelection(node));\r
    }\r
    \r
    public ITmfFilterTreeNode getSelection() {\r
        final ISelection selection = fViewer.getSelection();\r
        ITmfFilterTreeNode filterTreeNode = null;\r
        if (selection instanceof StructuredSelection) {\r
            Object element = ((StructuredSelection) selection).getFirstElement();\r
            if (element instanceof ITmfFilterTreeNode) {\r
                filterTreeNode = (ITmfFilterTreeNode) element;\r
            }\r
        }\r
\r
        final ITmfFilterTreeNode selectedNode = filterTreeNode;\r
        return selectedNode;\r
    }\r
    \r
    public void addSelectionChangedListener(ISelectionChangedListener listener) {\r
        fViewer.addSelectionChangedListener(listener);\r
    }\r
    \r
    public void removeSelectionChangedListener(ISelectionChangedListener listener) {\r
        fViewer.removeSelectionChangedListener(listener);\r
    }\r
    \r
    private class FilterBaseNodeComposite extends Composite {\r
        \r
        FilterBaseNodeComposite(Composite parent) {\r
            super(parent, SWT.NONE);\r
            setLayout(new GridLayout(2, false));\r
            setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));\r
            setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
        }\r
        \r
        protected String[] getFieldsList(ITmfFilterTreeNode node) {\r
            ArrayList<String> fieldsList = new ArrayList<String>();\r
            while (node != null) {\r
                if (node instanceof TmfFilterEventTypeNode) {\r
                    TmfFilterEventTypeNode eventTypeNode = (TmfFilterEventTypeNode) node;\r
                    for (IConfigurationElement ce : TmfTraceType.getTypeElements()) {\r
                        if (ce.getAttribute(TmfTraceType.EVENT_TYPE_ATTR).equals(eventTypeNode.getEventType())) {\r
                            try {\r
                                TmfEvent event = (TmfEvent) ce.createExecutableExtension(TmfTraceType.EVENT_TYPE_ATTR);\r
                                TmfEventType eventType = event.getType();\r
                                if (eventType != null) {\r
                                    for (String field : eventType.getLabels()) {\r
                                        fieldsList.add(field);\r
                                    }\r
                                }\r
                            } catch (CoreException e) {\r
                            }\r
                            return fieldsList.toArray(new String[0]);\r
                        }\r
                    }\r
                    if (eventTypeNode.getEventType().startsWith(CustomTxtEvent.class.getCanonicalName())) {\r
                        for (CustomTxtTraceDefinition def : CustomTxtTraceDefinition.loadAll()) {\r
                            if (eventTypeNode.getEventType().equals(CustomTxtEvent.class.getCanonicalName() + ":" + def.definitionName)) { //$NON-NLS-1$\r
                                for (OutputColumn output : def.outputs) {\r
                                    fieldsList.add(output.name);\r
                                }\r
                                return fieldsList.toArray(new String[0]);\r
                            }\r
                        }\r
                    }\r
                    if (eventTypeNode.getEventType().startsWith(CustomXmlEvent.class.getCanonicalName())) {\r
                        for (CustomXmlTraceDefinition def : CustomXmlTraceDefinition.loadAll()) {\r
                            if (eventTypeNode.getEventType().equals(CustomXmlEvent.class.getCanonicalName() + ":" + def.definitionName)) { //$NON-NLS-1$\r
                                for (OutputColumn output : def.outputs) {\r
                                    fieldsList.add(output.name);\r
                                }\r
                                return fieldsList.toArray(new String[0]);\r
                            }\r
                        }\r
                    }\r
                }\r
                node = node.getParent();\r
            }\r
            for (IConfigurationElement ce : TmfTraceType.getTypeElements()) {\r
                try {\r
                    TmfEvent event = (TmfEvent) ce.createExecutableExtension(TmfTraceType.EVENT_TYPE_ATTR);\r
                    TmfEventType eventType = event.getType();\r
                    if (eventType != null) {\r
                        fieldsList.add("[" + TmfTraceType.getCategoryName(ce.getAttribute(TmfTraceType.CATEGORY_ATTR)) + //$NON-NLS-1$\r
                                " : " + ce.getAttribute(TmfTraceType.NAME_ATTR) + "]"); //$NON-NLS-1$ //$NON-NLS-2$\r
                        for (String field : eventType.getLabels()) {\r
                            fieldsList.add(field);\r
                        }\r
                        fieldsList.add(""); //$NON-NLS-1$\r
                    }\r
                } catch (CoreException e) {\r
                }\r
            }\r
            for (CustomTxtTraceDefinition def : CustomTxtTraceDefinition.loadAll()) {\r
                fieldsList.add("[" + CUSTOM_TXT_CATEGORY + //$NON-NLS-1$\r
                        " : " + def.definitionName + "]"); //$NON-NLS-1$ //$NON-NLS-2$\r
                for (OutputColumn output : def.outputs) {\r
                    fieldsList.add(output.name);\r
                }\r
                fieldsList.add(""); //$NON-NLS-1$\r
            }\r
            for (CustomXmlTraceDefinition def : CustomXmlTraceDefinition.loadAll()) {\r
                fieldsList.add("[" + CUSTOM_XML_CATEGORY + //$NON-NLS-1$\r
                        " : " + def.definitionName + "]"); //$NON-NLS-1$ //$NON-NLS-2$\r
                for (OutputColumn output : def.outputs) {\r
                    fieldsList.add(output.name);\r
                }\r
                fieldsList.add(""); //$NON-NLS-1$\r
            }\r
            return fieldsList.toArray(new String[0]);\r
        }\r
    }\r
\r
    private class FilterNodeComposite extends FilterBaseNodeComposite {\r
        TmfFilterNode fNode;\r
        Text fNameText;\r
        \r
        FilterNodeComposite(Composite parent, TmfFilterNode node) {\r
            super(parent);\r
            fNode = node;\r
            \r
            Label label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_NameLabel);\r
            \r
            fNameText = new Text(this, SWT.BORDER);\r
            fNameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            if (node.getFilterName() != null && node.getFilterName().length() > 0) {\r
                fNameText.setText(node.getFilterName());\r
            } else {\r
                fNameText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                fNameText.setText(Messages.FilterViewer_FilterNameHint);\r
            }\r
            fNameText.addFocusListener(new FocusListener() {\r
                @Override\r
                public void focusLost(FocusEvent e) {\r
                    if (fNode.getFilterName() == null || fNode.getFilterName().length() == 0) {\r
                        fNameText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                        fNameText.setText(Messages.FilterViewer_FilterNameHint);\r
                    }\r
                }\r
                @Override\r
                public void focusGained(FocusEvent e) {\r
                    if (fNameText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fNameText.setText(""); //$NON-NLS-1$\r
                    }\r
                    fNameText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK));\r
                }\r
            });\r
            fNameText.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    if (! fNameText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fNode.setFilterName(fNameText.getText());\r
                        fViewer.refresh(fNode);\r
                    }\r
                }\r
            });\r
        }\r
    }\r
\r
    private class FilterEventTypeNodeComposite extends FilterBaseNodeComposite {\r
        TmfFilterEventTypeNode fNode;\r
        Combo fTypeCombo;\r
        Map<String, Object> fEventsTypeMap;\r
        \r
        FilterEventTypeNodeComposite(Composite parent, TmfFilterEventTypeNode node) {\r
            super(parent);\r
            fNode = node;\r
            fEventsTypeMap = getEventsTypeMap();\r
\r
            Label label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_TypeLabel);\r
            \r
            fTypeCombo = new Combo(this, SWT.DROP_DOWN | SWT.READ_ONLY);\r
            fTypeCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            fTypeCombo.setItems(fEventsTypeMap.keySet().toArray(new String[0]));\r
            if (fNode.getEventType() != null) {\r
                for (Entry <String, Object> eventTypeEntry : fEventsTypeMap.entrySet()) {\r
                    Object value = eventTypeEntry.getValue();\r
                    if (value instanceof IConfigurationElement) {\r
                        IConfigurationElement ce = (IConfigurationElement) value;\r
                        if (ce.getAttribute(TmfTraceType.EVENT_TYPE_ATTR).equals(fNode.getEventType())) {\r
                            fTypeCombo.setText(eventTypeEntry.getKey());\r
                        }\r
                    } else if (value instanceof CustomTxtTraceDefinition) {\r
                        CustomTxtTraceDefinition def = (CustomTxtTraceDefinition) value;\r
                        String eventType = CustomTxtEvent.class.getCanonicalName() + ":" + def.definitionName; //$NON-NLS-1$\r
                        if (eventType.equals(fNode.getEventType())) {\r
                            fTypeCombo.setText(eventTypeEntry.getKey());\r
                        }\r
                    } else if (value instanceof CustomXmlTraceDefinition) {\r
                        CustomXmlTraceDefinition def = (CustomXmlTraceDefinition) value;\r
                        String eventType = CustomXmlEvent.class.getCanonicalName() + ":" + def.definitionName; //$NON-NLS-1$\r
                        if (eventType.equals(fNode.getEventType())) {\r
                            fTypeCombo.setText(eventTypeEntry.getKey());\r
                        }\r
                    }\r
                }\r
            }\r
            fTypeCombo.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    for (Entry <String, Object> eventTypeEntry : fEventsTypeMap.entrySet()) {\r
                        if (eventTypeEntry.getKey().equals(fTypeCombo.getText())) {\r
                            Object value = eventTypeEntry.getValue();\r
                            if (value instanceof IConfigurationElement) {\r
                                IConfigurationElement ce = (IConfigurationElement) value;\r
                                fNode.setEventType(ce.getAttribute(TmfTraceType.EVENT_TYPE_ATTR));\r
                                fNode.setName(ce.getAttribute(TmfTraceType.NAME_ATTR));\r
                            } else if (value instanceof CustomTxtTraceDefinition) {\r
                                CustomTxtTraceDefinition def = (CustomTxtTraceDefinition) value;\r
                                fNode.setEventType(CustomTxtEvent.class.getCanonicalName() + ":" + def.definitionName); //$NON-NLS-1$\r
                                fNode.setName(def.definitionName);\r
                            } else if (value instanceof CustomXmlTraceDefinition) {\r
                                CustomXmlTraceDefinition def = (CustomXmlTraceDefinition) value;\r
                                fNode.setEventType(CustomXmlEvent.class.getCanonicalName() + ":" + def.definitionName); //$NON-NLS-1$\r
                                fNode.setName(def.definitionName);\r
                            }\r
                            fViewer.refresh(fNode);\r
                            break;\r
                        }\r
                    }\r
                }\r
            });\r
        }\r
\r
        protected Map<String, Object> getEventsTypeMap() {\r
            Map<String, Object> eventsTypeMap = new LinkedHashMap<String, Object>();\r
            for (IConfigurationElement ce : TmfTraceType.getTypeElements()) {\r
                String categoryName = TmfTraceType.getCategoryName(ce.getAttribute(TmfTraceType.CATEGORY_ATTR));\r
                String text = categoryName + " : " + ce.getAttribute(TmfTraceType.NAME_ATTR); //$NON-NLS-1$\r
                eventsTypeMap.put(text, ce);\r
            }\r
            for (CustomTxtTraceDefinition def : CustomTxtTraceDefinition.loadAll()) {\r
                String text = CUSTOM_TXT_CATEGORY + " : " + def.definitionName; //$NON-NLS-1$\r
                eventsTypeMap.put(text, def);\r
            }\r
            for (CustomXmlTraceDefinition def : CustomXmlTraceDefinition.loadAll()) {\r
                String text = CUSTOM_XML_CATEGORY + " : " + def.definitionName; //$NON-NLS-1$\r
                eventsTypeMap.put(text, def);\r
            }\r
            return eventsTypeMap;\r
        }\r
    }\r
    \r
    private class FilterAndNodeComposite extends FilterBaseNodeComposite {\r
        TmfFilterAndNode fNode;\r
        Button fNotButton;\r
        \r
        FilterAndNodeComposite(Composite parent, TmfFilterAndNode node) {\r
            super(parent);\r
            fNode = node;\r
            \r
            Label label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_NotLabel);\r
            \r
            fNotButton = new Button(this, SWT.CHECK);\r
            fNotButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fNotButton.setSelection(fNode.isNot());\r
            fNotButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    fNode.setNot(fNotButton.getSelection());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
        }\r
    }\r
\r
    private class FilterOrNodeComposite extends FilterBaseNodeComposite {\r
        TmfFilterOrNode fNode;\r
        Button fNotButton;\r
        \r
        FilterOrNodeComposite(Composite parent, TmfFilterOrNode node) {\r
            super(parent);\r
            fNode = node;\r
            \r
            Label label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_NotLabel);\r
            \r
            fNotButton = new Button(this, SWT.CHECK);\r
            fNotButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fNotButton.setSelection(fNode.isNot());\r
            fNotButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    fNode.setNot(fNotButton.getSelection());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
        }\r
    }\r
    \r
    private class FilterContainsNodeComposite extends FilterBaseNodeComposite {\r
        TmfFilterContainsNode fNode;\r
        Button fNotButton;\r
        Combo fFieldCombo;\r
        Text fValueText;\r
        Button fIgnoreCaseButton;\r
        \r
        FilterContainsNodeComposite(Composite parent, TmfFilterContainsNode node) {\r
            super(parent);\r
            fNode = node;\r
            \r
            Label label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_NotLabel);\r
            \r
            fNotButton = new Button(this, SWT.CHECK);\r
            fNotButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fNotButton.setSelection(fNode.isNot());\r
            fNotButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    fNode.setNot(fNotButton.getSelection());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_FieldLabel);\r
            \r
            fFieldCombo = new Combo(this, SWT.DROP_DOWN);\r
            fFieldCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            fFieldCombo.setItems(getFieldsList(fNode));\r
            if (fNode.getField() != null) {\r
                fFieldCombo.setText(fNode.getField());\r
            }\r
            fFieldCombo.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    fNode.setField(fFieldCombo.getText());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_ValueLabel);\r
            \r
            fValueText = new Text(this, SWT.BORDER);\r
            fValueText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            if (node.getValue() != null && node.getValue().length() > 0) {\r
                fValueText.setText(node.getValue());\r
            } else {\r
                fValueText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                fValueText.setText(Messages.FilterViewer_ValueHint);\r
            }\r
            fValueText.addFocusListener(new FocusListener() {\r
                @Override\r
                public void focusLost(FocusEvent e) {\r
                    if (fNode.getValue() == null || fNode.getValue().length() == 0) {\r
                        fValueText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                        fValueText.setText(Messages.FilterViewer_ValueHint);\r
                    }\r
                }\r
                @Override\r
                public void focusGained(FocusEvent e) {\r
                    if (fValueText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fValueText.setText(""); //$NON-NLS-1$\r
                    }\r
                    fValueText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK));\r
                }\r
            });\r
            fValueText.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    if (! fValueText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fNode.setValue(fValueText.getText());\r
                        fViewer.refresh(fNode);\r
                    }\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            \r
            fIgnoreCaseButton = new Button(this, SWT.CHECK);\r
            fIgnoreCaseButton.setSelection(fNode.isIgnoreCase());\r
            fIgnoreCaseButton.setText(Messages.FilterViewer_IgnoreCaseButtonText);\r
            fIgnoreCaseButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fIgnoreCaseButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    fNode.setIgnoreCase(fIgnoreCaseButton.getSelection());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
        }\r
    }\r
\r
    private class FilterEqualsNodeComposite extends FilterBaseNodeComposite {\r
        TmfFilterEqualsNode fNode;\r
        Button fNotButton;\r
        Combo fFieldCombo;\r
        Text fValueText;\r
        Button fIgnoreCaseButton;\r
        \r
        FilterEqualsNodeComposite(Composite parent, TmfFilterEqualsNode node) {\r
            super(parent);\r
            fNode = node;\r
            \r
            Label label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_NotLabel);\r
            \r
            fNotButton = new Button(this, SWT.CHECK);\r
            fNotButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fNotButton.setSelection(fNode.isNot());\r
            fNotButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    fNode.setNot(fNotButton.getSelection());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_FieldLabel);\r
            \r
            fFieldCombo = new Combo(this, SWT.DROP_DOWN);\r
            fFieldCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            fFieldCombo.setItems(getFieldsList(fNode));\r
            if (fNode.getField() != null) {\r
                fFieldCombo.setText(fNode.getField());\r
            }\r
            fFieldCombo.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    fNode.setField(fFieldCombo.getText());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_ValueLabel);\r
            \r
            fValueText = new Text(this, SWT.BORDER);\r
            fValueText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            if (node.getValue() != null && node.getValue().length() > 0) {\r
                fValueText.setText(node.getValue());\r
            } else {\r
                fValueText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                fValueText.setText(Messages.FilterViewer_ValueHint);\r
            }\r
            fValueText.addFocusListener(new FocusListener() {\r
                @Override\r
                public void focusLost(FocusEvent e) {\r
                    if (fNode.getValue() == null || fNode.getValue().length() == 0) {\r
                        fValueText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                        fValueText.setText(Messages.FilterViewer_ValueHint);\r
                    }\r
                }\r
                @Override\r
                public void focusGained(FocusEvent e) {\r
                    if (fValueText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fValueText.setText(""); //$NON-NLS-1$\r
                    }\r
                    fValueText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK));\r
                }\r
            });\r
            fValueText.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    if (! fValueText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fNode.setValue(fValueText.getText());\r
                        fViewer.refresh(fNode);\r
                    }\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            \r
            fIgnoreCaseButton = new Button(this, SWT.CHECK);\r
            fIgnoreCaseButton.setSelection(fNode.isIgnoreCase());\r
            fIgnoreCaseButton.setText(Messages.FilterViewer_IgnoreCaseButtonText);\r
            fIgnoreCaseButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fIgnoreCaseButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    fNode.setIgnoreCase(fIgnoreCaseButton.getSelection());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
        }\r
    }\r
\r
    private class FilterMatchesNodeComposite extends FilterBaseNodeComposite {\r
        TmfFilterMatchesNode fNode;\r
        Button fNotButton;\r
        Combo fFieldCombo;\r
        Text fRegexText;\r
        \r
        FilterMatchesNodeComposite(Composite parent, TmfFilterMatchesNode node) {\r
            super(parent);\r
            fNode = node;\r
            \r
            Label label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_NotLabel);\r
            \r
            fNotButton = new Button(this, SWT.CHECK);\r
            fNotButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fNotButton.setSelection(fNode.isNot());\r
            fNotButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    fNode.setNot(fNotButton.getSelection());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_FieldLabel);\r
            \r
            fFieldCombo = new Combo(this, SWT.DROP_DOWN);\r
            fFieldCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            fFieldCombo.setItems(getFieldsList(fNode));\r
            if (fNode.getField() != null) {\r
                fFieldCombo.setText(fNode.getField());\r
            }\r
            fFieldCombo.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    fNode.setField(fFieldCombo.getText());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_RegexLabel);\r
            \r
            fRegexText = new Text(this, SWT.BORDER);\r
            fRegexText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            if (node.getRegex() != null && node.getRegex().length() > 0) {\r
                fRegexText.setText(node.getRegex());\r
            } else {\r
                fRegexText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                fRegexText.setText(Messages.FilterViewer_RegexHint);\r
            }\r
            fRegexText.addFocusListener(new FocusListener() {\r
                @Override\r
                public void focusLost(FocusEvent e) {\r
                    if (fNode.getRegex() == null || fNode.getRegex().length() == 0) {\r
                        fRegexText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                        fRegexText.setText(Messages.FilterViewer_RegexHint);\r
                    }\r
                }\r
                @Override\r
                public void focusGained(FocusEvent e) {\r
                    if (fRegexText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fRegexText.setText(""); //$NON-NLS-1$\r
                    }\r
                    fRegexText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK));\r
                }\r
            });\r
            fRegexText.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    if (! fRegexText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fNode.setRegex(fRegexText.getText());\r
                        fViewer.refresh(fNode);\r
                    }\r
                }\r
            });\r
        }\r
    }\r
\r
    private class FilterCompareNodeComposite extends FilterBaseNodeComposite {\r
        TmfFilterCompareNode fNode;\r
        Button fNotButton;\r
        Combo fFieldCombo;\r
        Text fValueText;\r
        Button fLTButton;\r
        Button fEQButton;\r
        Button fGTButton;\r
        Button fNumButton;\r
        Button fAlphaButton;\r
        Button fTimestampButton;\r
        \r
        FilterCompareNodeComposite(Composite parent, TmfFilterCompareNode node) {\r
            super(parent);\r
            fNode = node;\r
            \r
            Label label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_NotLabel);\r
            \r
            fNotButton = new Button(this, SWT.CHECK);\r
            fNotButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fNotButton.setSelection(fNode.isNot());\r
            fNotButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    fNode.setNot(fNotButton.getSelection());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_FieldLabel);\r
            \r
            fFieldCombo = new Combo(this, SWT.DROP_DOWN);\r
            fFieldCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            fFieldCombo.setItems(getFieldsList(fNode));\r
            if (fNode.getField() != null) {\r
                fFieldCombo.setText(fNode.getField());\r
            }\r
            fFieldCombo.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    fNode.setField(fFieldCombo.getText());\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_ResultLabel);\r
            \r
            Composite resultGroup = new Composite(this, SWT.NONE);\r
            GridLayout rggl = new GridLayout(3, true);\r
            rggl.marginHeight = 0;\r
            rggl.marginWidth = 0;\r
            resultGroup.setLayout(rggl);\r
            resultGroup.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            \r
            fLTButton = new Button(resultGroup, SWT.RADIO);\r
            fLTButton.setSelection(fNode.getResult() < 0);\r
            fLTButton.setText("<"); //$NON-NLS-1$\r
            fLTButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fLTButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    if (fLTButton.getSelection()) {\r
                        fNode.setResult(-1);\r
                    }\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            fEQButton = new Button(resultGroup, SWT.RADIO);\r
            fEQButton.setSelection(fNode.getResult() == 0);\r
            fEQButton.setText("="); //$NON-NLS-1$\r
            fEQButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fEQButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    if (fEQButton.getSelection()) {\r
                        fNode.setResult(0);\r
                    }\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            fGTButton = new Button(resultGroup, SWT.RADIO);\r
            fGTButton.setSelection(fNode.getResult() > 0);\r
            fGTButton.setText(">"); //$NON-NLS-1$\r
            fGTButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fGTButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    if (fGTButton.getSelection()) {\r
                        fNode.setResult(1);\r
                    }\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_TypeLabel);\r
            \r
            Composite typeGroup = new Composite(this, SWT.NONE);\r
            GridLayout tggl = new GridLayout(3, false);\r
            tggl.marginHeight = 0;\r
            tggl.marginWidth = 0;\r
            typeGroup.setLayout(tggl);\r
            typeGroup.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            \r
            fNumButton = new Button(typeGroup, SWT.RADIO);\r
            fNumButton.setSelection(fNode.getType() == Type.NUM);\r
            fNumButton.setText(Messages.FilterViewer_NumButtonText);\r
            fNumButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fNumButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    if (fNumButton.getSelection()) {\r
                        fNode.setType(Type.NUM);\r
                    }\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            fAlphaButton = new Button(typeGroup, SWT.RADIO);\r
            fAlphaButton.setSelection(fNode.getType() == Type.ALPHA);\r
            fAlphaButton.setText(Messages.FilterViewer_AlphaButtonText);\r
            fAlphaButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fAlphaButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    if (fAlphaButton.getSelection()) {\r
                        fNode.setType(Type.ALPHA);\r
                    }\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            fTimestampButton = new Button(typeGroup, SWT.RADIO);\r
            fTimestampButton.setSelection(fNode.getType() == Type.TIMESTAMP);\r
            fTimestampButton.setText(Messages.FilterViewer_TimestampButtonText);\r
            fTimestampButton.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            fTimestampButton.addSelectionListener(new SelectionAdapter() {\r
                @Override\r
                public void widgetSelected(SelectionEvent e) {\r
                    if (fTimestampButton.getSelection()) {\r
                        fNode.setType(Type.TIMESTAMP);\r
                    }\r
                    fViewer.refresh(fNode);\r
                }\r
            });\r
            \r
            label = new Label(this, SWT.NONE);\r
            label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));\r
            label.setText(Messages.FilterViewer_ValueLabel);\r
            \r
            fValueText = new Text(this, SWT.BORDER);\r
            fValueText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));\r
            if (node.getValue() != null && node.getValue().length() > 0) {\r
                fValueText.setText(node.getValue());\r
            } else {\r
                fValueText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                fValueText.setText(Messages.FilterViewer_ValueHint);\r
            }\r
            fValueText.addFocusListener(new FocusListener() {\r
                @Override\r
                public void focusLost(FocusEvent e) {\r
                    if (fNode.getValue() == null || fNode.getValue().length() == 0) {\r
                        fValueText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY));\r
                        fValueText.setText(Messages.FilterViewer_ValueHint);\r
                    }\r
                }\r
                @Override\r
                public void focusGained(FocusEvent e) {\r
                    if (fValueText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fValueText.setText(""); //$NON-NLS-1$\r
                    }\r
                    fValueText.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK));\r
                }\r
            });\r
            fValueText.addModifyListener(new ModifyListener() {\r
                @Override\r
                public void modifyText(ModifyEvent e) {\r
                    if (! fValueText.getForeground().equals(Display.getCurrent().getSystemColor(SWT.COLOR_GRAY))) {\r
                        fNode.setValue(fValueText.getText());\r
                        fViewer.refresh(fNode);\r
                    }\r
                }\r
            });\r
        }\r
    }\r
\r
}\r