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/*******************************************************************************
* Copyright (c) 2000, 2013 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.actions.variables.details;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IValueModification;
import org.eclipse.debug.core.model.IVariable;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
import org.eclipse.debug.internal.ui.VariableValueEditorManager;
import org.eclipse.debug.internal.ui.actions.ActionMessages;
import org.eclipse.debug.internal.ui.actions.StatusInfo;
import org.eclipse.debug.ui.actions.IVariableValueEditor;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.commands.ActionHandler;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.IWorkbenchCommandConstants;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.IHandlerActivation;
import org.eclipse.ui.handlers.IHandlerService;
import com.ibm.icu.text.MessageFormat;
/**
* Action which assigns a value to a variable from the detail pane
* of the variables view.
*/
public class DetailPaneAssignValueAction extends Action{
private IHandlerActivation fHandlerActivation;
private IViewSite fViewSite;
private ITextViewer fTextViewer;
private IStructuredSelection fCurrentSelection;
/**
* Attempts to evaluate the given string expression and assign the resulting value to the
* specified variable. Displays error dialogs to the user if a problem is encountered.
*
* @see DetailPaneAssignValueAction
* @see org.eclipse.debug.internal.ui.elements.adapters.DefaultVariableCellModifier
*
* @param shell the shell to use to open dialogs
* @param variable the variable that is getting a new value
* @param newValueExpression the expression to evaluate and set as the new value
* @since 3.3.0
*/
public static void assignValue(Shell shell, IVariable variable, String newValueExpression){
String modelIdentifier = variable.getModelIdentifier();
IVariableValueEditor editor = VariableValueEditorManager.getDefault().getVariableValueEditor(modelIdentifier);
if (editor != null) {
if (editor.saveVariable(variable, newValueExpression, shell)) {
// If we successfully delegate to an editor which performs the save,
// don't do any more work.
return;
}
}
try {
// If we failed to delegate to anyone, perform the default assignment.
if (variable.verifyValue(newValueExpression)) {
variable.setValue(newValueExpression);
} else {
if (shell != null) {
DebugUIPlugin.errorDialog(shell, ActionMessages.DetailPaneAssignValueAction_2, MessageFormat.format(ActionMessages.DetailPaneAssignValueAction_3, new Object[] {
newValueExpression, variable.getName() }), new StatusInfo(IStatus.ERROR, ActionMessages.DetailPaneAssignValueAction_4)); //
}
}
} catch (DebugException e) {
MessageDialog.openError(shell, ActionMessages.DetailPaneAssignValueAction_0, e.getStatus().getMessage());
}
}
public DetailPaneAssignValueAction(ITextViewer textViewer, IViewSite viewSite) {
super(ActionMessages.DetailPaneAssignValueAction_1);
PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugHelpContextIds.DETAIL_PANE_ASSIGN_VALUE_ACTION);
fTextViewer = textViewer;
fViewSite = viewSite;
setEnabled(false);
IHandlerService service = fViewSite.getService(IHandlerService.class);
ActionHandler handler = new ActionHandler(this);
fHandlerActivation = service.activateHandler(getActionDefinitionId(), handler);
}
public void dispose() {
IHandlerService service = fViewSite.getService(IHandlerService.class);
service.deactivateHandler(fHandlerActivation);
}
public void updateCurrentVariable(IStructuredSelection selection) {
boolean enabled = false;
if ((selection.size() == 1) && (selection.getFirstElement() instanceof IValueModification)) {
IValueModification valMod = (IValueModification) selection.getFirstElement();
if (valMod.supportsValueModification()) {
fCurrentSelection = selection;
enabled = true;
}
}
setEnabled(enabled);
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IAction#run()
*/
@Override
public void run() {
IVariable variable = (IVariable) fCurrentSelection.getFirstElement();
Point selection = fTextViewer.getSelectedRange();
String value = null;
if (selection.y == 0) {
value = fTextViewer.getDocument().get();
} else {
try {
value = fTextViewer.getDocument().get(selection.x, selection.y);
} catch (BadLocationException e1) {
}
}
IWorkbenchWindow window= DebugUIPlugin.getActiveWorkbenchWindow();
Shell activeShell= null;
if (window != null) {
activeShell= window.getShell();
}
assignValue(activeShell, variable, value);
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IAction#getActionDefinitionId()
*/
@Override
public String getActionDefinitionId() {
return IWorkbenchCommandConstants.FILE_SAVE;
}
}
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