/************************************************************************************
* Copyright (c) 2008 William Chen. *
* *
* All rights reserved. This program and the accompanying materials are made *
* available under the terms of the Eclipse Public License v1.0 which accompanies *
* this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html *
* *
* Use is subject to the terms of Eclipse Public License v1.0. *
* *
* Contributors: *
* William Chen - initial API and implementation. *
************************************************************************************/
package org.dyno.visual.swing.widgets.grouplayout.undo;
import java.awt.Component;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JComponent;
import org.dyno.visual.swing.layouts.Constraints;
import org.dyno.visual.swing.layouts.GroupLayout;
import org.dyno.visual.swing.plugin.spi.CompositeAdapter;
import org.dyno.visual.swing.plugin.spi.WidgetAdapter;
import org.dyno.visual.swing.widgets.grouplayout.GroupLayoutAdapter;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.operations.AbstractOperation;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
public abstract class AlignmentOperation extends AbstractOperation {
protected JComponent container;
protected List<CompCons> compcons;
protected List<WidgetAdapter> widgets;
protected GroupLayoutAdapter glAdapter;
protected class CompCons {
Component component;
Constraints constraints;
}
public AlignmentOperation(String name, JComponent container, GroupLayoutAdapter glAdapter) {
super(name);
this.glAdapter = glAdapter;
this.container = container;
this.widgets = new ArrayList<WidgetAdapter>();
CompositeAdapter containerAdapter = (CompositeAdapter) WidgetAdapter.getWidgetAdapter(container);
List<WidgetAdapter> selected = containerAdapter.getSelectedWidgets();
for(WidgetAdapter widget:selected){
widgets.add(widget);
}
}
@Override
public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
return execute(monitor, info);
}
@Override
public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
GroupLayout layout = (GroupLayout) container.getLayout();
for (CompCons cons : compcons) {
layout.setConstraints(cons.component, cons.constraints);
}
container.invalidate();
CompositeAdapter containerAdapter = (CompositeAdapter) WidgetAdapter.getWidgetAdapter(container);
containerAdapter.doLayout();
containerAdapter.setDirty(true);
containerAdapter.repaintDesigner();
return Status.OK_STATUS;
}
}