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/*******************************************************************************
* Copyright (c) 2011, 2012 Wind River Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.actions.expressions;
import org.eclipse.debug.core.model.IWatchExpression;
import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer;
import org.eclipse.debug.internal.ui.views.expression.ExpressionView;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
/**
* This action activates the cell editor in the expressions view to edit the
* expression string. If no expression column found or for multi-line
* expressions, revert to the
*/
public class EditWatchExpressinInPlaceAction extends Action implements ISelectionChangedListener {
private ExpressionView fView;
private TreeModelViewer fViewer;
private EditWatchExpressionAction fEditActionDelegate = new EditWatchExpressionAction();
public EditWatchExpressinInPlaceAction(ExpressionView view) {
fView = view;
fViewer = (TreeModelViewer)view.getViewer();
fEditActionDelegate.init(view);
ISelectionProvider selectionProvider = fView.getSite().getSelectionProvider();
selectionProvider.addSelectionChangedListener(this);
fEditActionDelegate.selectionChanged(this, selectionProvider.getSelection());
}
@Override
public void selectionChanged(SelectionChangedEvent event) {
IStructuredSelection selection = fEditActionDelegate.getCurrentSelection();
setEnabled(selection != null && selection.size() == 1);
}
public void dispose() {
fView.getSite().getSelectionProvider().removeSelectionChangedListener(this);
}
@Override
public void run() {
IStructuredSelection selelection = fEditActionDelegate.getCurrentSelection();
if (selelection.size() != 1) {
return;
}
// Always edit multi-line expressions in dialog. Otherwise try to find the expression
// column and activate cell editor there.
int expressionColumn = getExpressionColumnIndex();
IWatchExpression[] expressions = fEditActionDelegate.getSelectedExpressions();
if (expressionColumn != -1 && !isWatchExpressionWithNewLine(expressions)) {
fViewer.editElement(selelection.getFirstElement(), expressionColumn);
} else if (expressions.length == 1) {
fEditActionDelegate.run(this);
}
}
private boolean isWatchExpressionWithNewLine(IWatchExpression[] expressions) {
return expressions.length == 1 &&
expressions[0].getExpressionText().indexOf('\n') != -1;
}
private int getExpressionColumnIndex() {
Object[] columnProperties = fViewer.getColumnProperties();
for (int i = 0; columnProperties != null && i < columnProperties.length; i++) {
if (IDebugUIConstants.COLUMN_ID_VARIABLE_NAME.equals(columnProperties[i])) {
return i;
}
}
return -1;
}
}
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