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authorNicolas FAUVERGUE2016-02-23 14:52:50 +0000
committervincent lorenzo2016-02-26 08:54:36 +0000
commite5da63b0a93f43fb74054dde53b31cc817d571e4 (patch)
tree854fd748d7896914eb67684a952ead4b3d8426cc /plugins
parent7980958a0870802b3f419dc2ab59dbac2edd25c5 (diff)
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Bug 488293: [Table] Width of slider composite is not persisted
https://bugs.eclipse.org/bugs/show_bug.cgi?id=488293 Manage the persistence of the slider width. + Change the slider size in JUnit tests fails. Change-Id: I28f40758c3bbb50b71b4332a77866b655aeb1bf8 Signed-off-by: Nicolas FAUVERGUE <nicolas.fauvergue@all4tec.net>
Diffstat (limited to 'plugins')
-rwxr-xr-xplugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/manager/table/TreeNattableModelManager.java372
-rw-r--r--plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/utils/NamedStyleConstants.java5
2 files changed, 259 insertions, 118 deletions
diff --git a/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/manager/table/TreeNattableModelManager.java b/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/manager/table/TreeNattableModelManager.java
index 47e1e5ba1a7..7d964e31b2e 100755
--- a/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/manager/table/TreeNattableModelManager.java
+++ b/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/manager/table/TreeNattableModelManager.java
@@ -24,6 +24,12 @@ import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.transaction.ResourceSetListener;
import org.eclipse.emf.transaction.RollbackException;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
+import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
+import org.eclipse.gmf.runtime.emf.type.core.commands.SetValueCommand;
+import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
+import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.ISelectionProvider;
@@ -41,6 +47,7 @@ import org.eclipse.nebula.widgets.nattable.util.ClientAreaAdapter;
import org.eclipse.nebula.widgets.nattable.util.GUIHelper;
import org.eclipse.nebula.widgets.nattable.viewport.SliderScroller;
import org.eclipse.nebula.widgets.nattable.viewport.ViewportLayer;
+import org.eclipse.papyrus.infra.emf.gmf.command.GMFtoEMFCommandWrapper;
import org.eclipse.papyrus.infra.emf.gmf.util.GMFUnsafe;
import org.eclipse.papyrus.infra.nattable.Activator;
import org.eclipse.papyrus.infra.nattable.clientarea.ClientAreaResizeDragMode;
@@ -64,21 +71,31 @@ import org.eclipse.papyrus.infra.nattable.model.nattable.NattablePackage;
import org.eclipse.papyrus.infra.nattable.model.nattable.Table;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxis.IAxis;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxis.ITreeItemAxis;
+import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisconfiguration.AbstractHeaderAxisConfiguration;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisconfiguration.AxisManagerRepresentation;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisconfiguration.TreeFillingConfiguration;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisprovider.AbstractAxisProvider;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattablestyle.DisplayStyle;
+import org.eclipse.papyrus.infra.nattable.model.nattable.nattablestyle.IntValueStyle;
+import org.eclipse.papyrus.infra.nattable.model.nattable.nattablestyle.NattablestyleFactory;
+import org.eclipse.papyrus.infra.nattable.model.nattable.nattablestyle.NattablestylePackage;
import org.eclipse.papyrus.infra.nattable.selection.ISelectionExtractor;
import org.eclipse.papyrus.infra.nattable.selection.ObjectsSelectionExtractor;
import org.eclipse.papyrus.infra.nattable.tree.CollapseAndExpandActionsEnum;
import org.eclipse.papyrus.infra.nattable.tree.DatumExpansionModel;
import org.eclipse.papyrus.infra.nattable.tree.DatumTreeFormat;
import org.eclipse.papyrus.infra.nattable.utils.CollapseExpandActionHelper;
+import org.eclipse.papyrus.infra.nattable.utils.DefaultSizeUtils;
import org.eclipse.papyrus.infra.nattable.utils.FillingConfigurationUtils;
+import org.eclipse.papyrus.infra.nattable.utils.HeaderAxisConfigurationManagementUtils;
+import org.eclipse.papyrus.infra.nattable.utils.NamedStyleConstants;
import org.eclipse.papyrus.infra.nattable.utils.StyleUtils;
+import org.eclipse.papyrus.infra.nattable.utils.TableEditingDomainUtils;
import org.eclipse.papyrus.infra.nattable.utils.TableHelper;
import org.eclipse.papyrus.infra.ui.util.EclipseCommandUtils;
import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ControlAdapter;
+import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
@@ -118,9 +135,9 @@ public class TreeNattableModelManager extends NattableModelManager implements IT
protected DatumExpansionModel expansionModel;
- /**
- * the height of the scrollbar
- */
+ /**
+ * the height of the scrollbar
+ */
private static final int scrollbarHeight = 17;
@@ -238,70 +255,69 @@ public class TreeNattableModelManager extends NattableModelManager implements IT
@Override
public NatTable createNattable(Composite parent, int style, IWorkbenchPartSite site) {
// Wrap NatTable in composite so we can slap on the external horizontal
- // sliders
- Composite composite = new Composite(parent, SWT.NONE);
- GridLayout gridLayout = new GridLayout(1, false);
- gridLayout.marginHeight = 0;
- gridLayout.marginWidth = 0;
- gridLayout.horizontalSpacing = 0;
- gridLayout.verticalSpacing = 0;
- composite.setLayout(gridLayout);
-
- NatTable nattable = super.createNattable(composite, style, site);
- GridData gridData = new GridData();
- gridData.horizontalAlignment = GridData.FILL;
- gridData.verticalAlignment = GridData.FILL;
- gridData.grabExcessHorizontalSpace = true;
- gridData.grabExcessVerticalSpace = true;
- natTable.setLayoutData(gridData);
-
- // MULTI-VIEWPORT-CONFIGURATION
- createSplitSliders(composite, getRowHeaderLayerStack().getViewportLayer(), getBodyLayerStack().getViewportLayer());
-
- // as the CompositeLayer is setting a IClientAreaProvider for the
- // composition we need to set a special ClientAreaAdapter after the
- // creation of the CompositeLayer to support split viewports
- int leftWidth = RowHeaderLayerStack.DEFAULT_ROW_HEIGHT;
- ClientAreaAdapter leftClientAreaAdapter =
- new ClientAreaAdapter(getRowHeaderLayerStack().getViewportLayer().getClientAreaProvider());
- leftClientAreaAdapter.setWidth(leftWidth);
- getRowHeaderLayerStack().getViewportLayer().setClientAreaProvider(leftClientAreaAdapter);
-
- getRowHeaderLayerStack().getViewportLayer().setVerticalScrollbarEnabled(false);
-
- // use a cell layer painter that is configured for left clipping
- // this ensures that the rendering works correctly for split
- // viewports
- getBodyLayerStack().getSelectionLayer().setLayerPainter(new SelectionLayerPainter(true, false));
-
- filterColumnHeaderComposite.setLayerPainter(new CellLayerPainter(true, false));
-
- // add an IOverlayPainter to render the split viewport border
- natTable.addOverlayPainter(new IOverlayPainter() {
-
- @Override
- public void paintOverlay(GC gc, ILayer layer) {
- Color beforeColor = gc.getForeground();
- gc.setForeground(GUIHelper.COLOR_GRAY);
- int viewportBorderX = getRowHeaderLayerStack().getWidth() - 1;
- gc.drawLine(viewportBorderX, 0, viewportBorderX, layer.getHeight() - 1);
- gc.setForeground(beforeColor);
- }
- });
-
- // Mouse move - Show resize cursor
- natTable.getUiBindingRegistry().registerFirstMouseMoveBinding(
- new ClientAreaResizeMatcher(getRowHeaderLayerStack()),
- new VerticalResizeCursorAction());
-
- natTable.getUiBindingRegistry().registerFirstMouseDragMode(
- new ClientAreaResizeMatcher(getRowHeaderLayerStack()),
- new ClientAreaResizeDragMode(
- getRowHeaderLayerStack().getIndexRowHeaderLayer(),
- getRowHeaderLayerStack().getTreeLayer(),
- leftClientAreaAdapter,
- getRowHeaderLayerStack().getViewportLayer(),
- getBodyLayerStack().getViewportLayer()));
+ // sliders
+ Composite composite = new Composite(parent, SWT.NONE);
+ GridLayout gridLayout = new GridLayout(1, false);
+ gridLayout.marginHeight = 0;
+ gridLayout.marginWidth = 0;
+ gridLayout.horizontalSpacing = 0;
+ gridLayout.verticalSpacing = 0;
+ composite.setLayout(gridLayout);
+
+ NatTable nattable = super.createNattable(composite, style, site);
+ GridData gridData = new GridData();
+ gridData.horizontalAlignment = GridData.FILL;
+ gridData.verticalAlignment = GridData.FILL;
+ gridData.grabExcessHorizontalSpace = true;
+ gridData.grabExcessVerticalSpace = true;
+ natTable.setLayoutData(gridData);
+
+ // MULTI-VIEWPORT-CONFIGURATION
+ createSplitSliders(composite, getRowHeaderLayerStack().getViewportLayer(), getBodyLayerStack().getViewportLayer());
+
+ // as the CompositeLayer is setting a IClientAreaProvider for the
+ // composition we need to set a special ClientAreaAdapter after the
+ // creation of the CompositeLayer to support split viewports
+ int leftWidth = getWidthSliderComposite();
+ ClientAreaAdapter leftClientAreaAdapter = new ClientAreaAdapter(getRowHeaderLayerStack().getViewportLayer().getClientAreaProvider());
+ leftClientAreaAdapter.setWidth(leftWidth);
+ getRowHeaderLayerStack().getViewportLayer().setClientAreaProvider(leftClientAreaAdapter);
+
+ getRowHeaderLayerStack().getViewportLayer().setVerticalScrollbarEnabled(false);
+
+ // use a cell layer painter that is configured for left clipping
+ // this ensures that the rendering works correctly for split
+ // viewports
+ getBodyLayerStack().getSelectionLayer().setLayerPainter(new SelectionLayerPainter(true, false));
+
+ filterColumnHeaderComposite.setLayerPainter(new CellLayerPainter(true, false));
+
+ // add an IOverlayPainter to render the split viewport border
+ natTable.addOverlayPainter(new IOverlayPainter() {
+
+ @Override
+ public void paintOverlay(GC gc, ILayer layer) {
+ Color beforeColor = gc.getForeground();
+ gc.setForeground(GUIHelper.COLOR_GRAY);
+ int viewportBorderX = getRowHeaderLayerStack().getWidth() - 1;
+ gc.drawLine(viewportBorderX, 0, viewportBorderX, layer.getHeight() - 1);
+ gc.setForeground(beforeColor);
+ }
+ });
+
+ // Mouse move - Show resize cursor
+ natTable.getUiBindingRegistry().registerFirstMouseMoveBinding(
+ new ClientAreaResizeMatcher(getRowHeaderLayerStack()),
+ new VerticalResizeCursorAction());
+
+ natTable.getUiBindingRegistry().registerFirstMouseDragMode(
+ new ClientAreaResizeMatcher(getRowHeaderLayerStack()),
+ new ClientAreaResizeDragMode(
+ getRowHeaderLayerStack().getIndexRowHeaderLayer(),
+ getRowHeaderLayerStack().getTreeLayer(),
+ leftClientAreaAdapter,
+ getRowHeaderLayerStack().getViewportLayer(),
+ getBodyLayerStack().getViewportLayer()));
// update the hidden categories
@@ -322,59 +338,179 @@ public class TreeNattableModelManager extends NattableModelManager implements IT
return nattable;
}
+
+ /**
+ * Get the width of the slider composite.
+ *
+ * @return The int value corresponding to the needed row header width.
+ */
+ protected int getWidthSliderComposite(){
+ int result = 0;
+
+ final IntValueStyle valueRowHeader = (IntValueStyle) getTable().getNamedStyle(NattablestylePackage.eINSTANCE.getIntValueStyle(), NamedStyleConstants.ROW_HEADER_WIDTH);
+ if (null != valueRowHeader) {
+ result = valueRowHeader.getIntValue();
+ } else {
+ result = calculateBestWidthSliderComposite();
+ }
+
+ return result;
+ }
+
+ /**
+ * This allows to calculate the initial width of the row header.
+ *
+ * @return The int value corresponding to the needed row header width.
+ */
+ protected int calculateBestWidthSliderComposite() {
+
+ // If non namedStyle exists for the slider composite, the initial width of the table must be an addition of:
+ // - The size of the two first columns
+ // - The alf size of the 3rd column
+
+ int result = 0;
+
+ final AbstractHeaderAxisConfiguration rowHeader = HeaderAxisConfigurationManagementUtils.getRowAbstractHeaderAxisConfigurationUsedInTable(getTable());
+
+ // Get the size of the two first columns
+ final IntValueStyle valueFirstRow = (IntValueStyle) rowHeader.getNamedStyle(NattablestylePackage.eINSTANCE.getIntValueStyle(), NamedStyleConstants.ROW_LABEL_WIDTH);
+ if (null != valueFirstRow) {
+ result += valueFirstRow.getIntValue();
+ } else {
+ result += DefaultSizeUtils.getDefaultRowHeaderWidth();
+ }
+ final IntValueStyle valueSecondRow = (IntValueStyle) rowHeader.getNamedStyle(NattablestylePackage.eINSTANCE.getIntValueStyle(), NamedStyleConstants.ROW_LABEL_POSITION_PREFIX_WIDTH + "2" + NamedStyleConstants.ROW_LABEL_POSITION_SUFFIX_WIDTH); //$NON-NLS-1$
+ if (null != valueSecondRow) {
+ result += valueSecondRow.getIntValue();
+ } else {
+ result += DefaultSizeUtils.getDefaultRowHeaderWidth();
+ }
+
+ // Get the alf size of the 3rd column
+ final IntValueStyle valueThirdRow = (IntValueStyle) rowHeader.getNamedStyle(NattablestylePackage.eINSTANCE.getIntValueStyle(), NamedStyleConstants.ROW_LABEL_POSITION_PREFIX_WIDTH + "3" + NamedStyleConstants.ROW_LABEL_POSITION_SUFFIX_WIDTH); //$NON-NLS-1$
+ if (null != valueThirdRow) {
+ if (1 == valueThirdRow.getIntValue() % 2) {
+ result += (valueThirdRow.getIntValue() / 2) + 1;
+ } else {
+ result += valueThirdRow.getIntValue() / 2;
+ }
+ } else {
+ if (1 == DefaultSizeUtils.getDefaultRowHeaderWidth() % 2) {
+ result += (DefaultSizeUtils.getDefaultRowHeaderWidth() / 2) + 1;
+ } else {
+ result += DefaultSizeUtils.getDefaultRowHeaderWidth() / 2;
+ }
+ }
+
+ return result;
+ }
private void createSplitSliders(Composite natTableParent, final ViewportLayer left, final ViewportLayer right) {
- Composite sliderComposite = new Composite(natTableParent, SWT.NONE);
- GridData gridData = new GridData();
- gridData.horizontalAlignment = GridData.FILL;
- gridData.grabExcessHorizontalSpace = true;
- gridData.grabExcessVerticalSpace = false;
- gridData.heightHint = scrollbarHeight;
- sliderComposite.setLayoutData(gridData);
-
- GridLayout gridLayout = new GridLayout(2, false);
- gridLayout.marginHeight = 0;
- gridLayout.marginWidth = 0;
- gridLayout.horizontalSpacing = 0;
- gridLayout.verticalSpacing = 0;
- sliderComposite.setLayout(gridLayout);
-
- // Slider Left
- // Need a composite here to set preferred size because Slider can't be
- // subclassed.
- Composite sliderLeftComposite = new Composite(sliderComposite, SWT.NONE) {
- @Override
- public Point computeSize(int wHint, int hHint, boolean changed) {
- int width = ((ClientAreaAdapter) left.getClientAreaProvider()).getWidth()
- + getRowHeaderLayerStack().getIndexRowHeaderLayer().getWidth();
- return new Point(width, scrollbarHeight);
- }
- };
- sliderLeftComposite.setLayout(new FillLayout());
- gridData = new GridData();
- gridData.horizontalAlignment = GridData.BEGINNING;
- gridData.verticalAlignment = GridData.BEGINNING;
- sliderLeftComposite.setLayoutData(gridData);
-
- Slider sliderLeft = new Slider(sliderLeftComposite, SWT.HORIZONTAL);
- gridData = new GridData();
- gridData.horizontalAlignment = GridData.FILL;
- gridData.verticalAlignment = GridData.FILL;
- sliderLeft.setLayoutData(gridData);
-
- left.setHorizontalScroller(new SliderScroller(sliderLeft));
-
- // Slider Right
- Slider sliderRight = new Slider(sliderComposite, SWT.HORIZONTAL);
- gridData = new GridData();
- gridData.horizontalAlignment = GridData.FILL;
- gridData.verticalAlignment = GridData.BEGINNING;
- gridData.grabExcessHorizontalSpace = true;
- gridData.grabExcessVerticalSpace = false;
- sliderRight.setLayoutData(gridData);
-
- right.setHorizontalScroller(new SliderScroller(sliderRight));
- }
+ Composite sliderComposite = new Composite(natTableParent, SWT.NONE);
+ GridData gridData = new GridData();
+ gridData.horizontalAlignment = GridData.FILL;
+ gridData.grabExcessHorizontalSpace = true;
+ gridData.grabExcessVerticalSpace = false;
+ gridData.heightHint = scrollbarHeight;
+ sliderComposite.setLayoutData(gridData);
+
+ GridLayout gridLayout = new GridLayout(2, false);
+ gridLayout.marginHeight = 0;
+ gridLayout.marginWidth = 0;
+ gridLayout.horizontalSpacing = 0;
+ gridLayout.verticalSpacing = 0;
+ sliderComposite.setLayout(gridLayout);
+
+ // Slider Left
+ // Need a composite here to set preferred size because Slider can't be
+ // subclassed.
+ Composite sliderLeftComposite = new Composite(sliderComposite, SWT.NONE) {
+ @Override
+ public Point computeSize(int wHint, int hHint, boolean changed) {
+ int width = ((ClientAreaAdapter) left.getClientAreaProvider()).getWidth()
+ + getRowHeaderLayerStack().getIndexRowHeaderLayer().getWidth();
+ return new Point(width, scrollbarHeight);
+ }
+ };
+ sliderLeftComposite.setLayout(new FillLayout());
+ gridData = new GridData();
+ gridData.horizontalAlignment = GridData.BEGINNING;
+ gridData.verticalAlignment = GridData.BEGINNING;
+ sliderLeftComposite.setLayoutData(gridData);
+
+ addControlListener(sliderLeftComposite);
+
+ Slider sliderLeft = new Slider(sliderLeftComposite, SWT.HORIZONTAL);
+ gridData = new GridData();
+ gridData.horizontalAlignment = GridData.FILL;
+ gridData.verticalAlignment = GridData.FILL;
+ sliderLeft.setLayoutData(gridData);
+
+ left.setHorizontalScroller(new SliderScroller(sliderLeft));
+
+ // Slider Right
+ Slider sliderRight = new Slider(sliderComposite, SWT.HORIZONTAL);
+ gridData = new GridData();
+ gridData.horizontalAlignment = GridData.FILL;
+ gridData.verticalAlignment = GridData.BEGINNING;
+ gridData.grabExcessHorizontalSpace = true;
+ gridData.grabExcessVerticalSpace = false;
+ sliderRight.setLayoutData(gridData);
+
+ right.setHorizontalScroller(new SliderScroller(sliderRight));
+ }
+
+ /**
+ * This allows to create the control listener when the slider composite is resized.
+ *
+ * @param leftSliderComposite
+ * the slider composite.
+ */
+ protected void addControlListener(final Composite leftSliderComposite) {
+ leftSliderComposite.addControlListener(new ControlAdapter() {
+
+ @Override
+ public void controlResized(final ControlEvent e) {
+ super.controlResized(e);
+
+ final CompositeCommand resizeRowHeaderCommand = new CompositeCommand("Resize Slider composite"); //$NON-NLS-1$
+ TransactionalEditingDomain tableDomain = TableEditingDomainUtils.getTableEditingDomain(getTable());
+ if (null == tableDomain) {
+ return;
+ }
+
+ final int newHeaderWidth = getRowHeaderLayerStack().getViewportLayer().getClientAreaWidth();
+ final int initialSize = calculateBestWidthSliderComposite();
+
+ // check that the modified value is not the initial one
+ if (newHeaderWidth != initialSize) {
+ IntValueStyle valueIndex = (IntValueStyle) getTable().getNamedStyle(NattablestylePackage.eINSTANCE.getIntValueStyle(), NamedStyleConstants.ROW_HEADER_WIDTH);
+ if (null != valueIndex && valueIndex.getIntValue() != newHeaderWidth) {
+ SetRequest resizeRowHeader = new SetRequest(tableDomain, valueIndex, NattablestylePackage.eINSTANCE.getIntValueStyle_IntValue(), newHeaderWidth);
+ resizeRowHeaderCommand.add(new SetValueCommand(resizeRowHeader));
+ } else if (null == valueIndex && newHeaderWidth != DefaultSizeUtils.getDefaultRowHeaderWidth()) {
+ valueIndex = NattablestyleFactory.eINSTANCE.createIntValueStyle();
+ valueIndex.setIntValue(newHeaderWidth);
+ valueIndex.setName(NamedStyleConstants.ROW_HEADER_WIDTH);
+
+ SetRequest initRowHeaderSizeRequest = new SetRequest(tableDomain, getTable(), NattablestylePackage.eINSTANCE.getStyledElement_Styles(), valueIndex);
+ resizeRowHeaderCommand.add(new SetValueCommand(initRowHeaderSizeRequest));
+ }
+
+ if (resizeRowHeaderCommand.canExecute() && !resizeRowHeaderCommand.isEmpty()) {
+ tableDomain.getCommandStack().execute(new GMFtoEMFCommandWrapper(resizeRowHeaderCommand));
+ }
+ } else {
+ // Remove the named style if existing and with the initial width
+ final IntValueStyle valueIndex = (IntValueStyle) getTable().getNamedStyle(NattablestylePackage.eINSTANCE.getIntValueStyle(), NamedStyleConstants.ROW_HEADER_WIDTH);
+ if (null != valueIndex) {
+ DestroyElementRequest destroyRowHeaderWidthRequest = new DestroyElementRequest(tableDomain, valueIndex, false);
+ new GMFtoEMFCommandWrapper(new DestroyElementCommand(destroyRowHeaderWidthRequest)).execute();
+ }
+ }
+ }
+ });
+ }
/**
* @see org.eclipse.papyrus.infra.nattable.manager.table.AbstractNattableWidgetManager#addClickSortConfiguration(org.eclipse.nebula.widgets.nattable.NatTable)
diff --git a/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/utils/NamedStyleConstants.java b/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/utils/NamedStyleConstants.java
index bb241b7c91f..46786a3338d 100644
--- a/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/utils/NamedStyleConstants.java
+++ b/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/utils/NamedStyleConstants.java
@@ -43,6 +43,11 @@ public class NamedStyleConstants {
*/
public static final String ROW_LABEL_POSITION_SUFFIX_WIDTH = "LabelWidth"; //$NON-NLS-1$
+ /**
+ * The named style id for the slider composite width.
+ */
+ public static final String ROW_HEADER_WIDTH = "rowHeaderWidth"; //$NON-NLS-1$
+
public static final String COLUMN_INDEX_HEIGHT = "columnIndexHeight"; //$NON-NLS-1$

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