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/*******************************************************************************
* Copyright (c) 2014 Elphel, Inc.
* Copyright (c) 2006 Elphel, Inc and Excelsior, LLC.
* This file is a part of VDT plug-in.
* VDT plug-in is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* VDT plug-in is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Additional permission under GNU GPL version 3 section 7:
* If you modify this Program, or any covered work, by linking or combining it
* with Eclipse or Eclipse plugins (or a modified version of those libraries),
* containing parts covered by the terms of EPL/CPL, the licensors of this
* Program grant you additional permission to convey the resulting work.
* {Corresponding Source for a non-source form of such a combination shall
* include the source code for the parts of Eclipse or Eclipse plugins used
* as well as that of the covered work.}
*******************************************************************************/
package com.elphel.vdt.ui.views;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IMenuCreator;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import com.elphel.vdt.core.tools.contexts.Context;
import com.elphel.vdt.ui.VDTPluginImages;
/**
* Drop-down action for contexts list.
*
* Created: 12.04.2006
* @author Lvov Konstantin
*/
abstract public class ContextsAction extends Action
implements IMenuCreator
{
private Menu menu;
private List<Context> contexts;
protected String title;
protected Context lastSelected;
protected DesignFlowView designFlowView; // Andrey
public ContextsAction(String title) {
this.title = title;
setMenuCreator(this);
setEnabled(false);
designFlowView=null;
}
public void setDesignFlowView(DesignFlowView designFlowView){
this.designFlowView=designFlowView;
}
public void updateActions(boolean updateDirty){
if (this.designFlowView!=null) this.designFlowView.updateLaunchAction(updateDirty);
}
public void setContexts(List<Context> contexts) {
this.contexts = contexts;
if (contexts != null) {
for (Iterator<Context> i = contexts.iterator(); i.hasNext(); ) {
Context context = i.next();
if (context.isVisible()) {
setEnabled(true);
lastSelected = context;
return;
}
}
}
setEnabled(false);
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IMenuCreator#dispose()
*/
public void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IMenuCreator#getMenu(org.eclipse.swt.widgets.Control)
*/
public Menu getMenu(Control parent) {
if (menu != null) {
menu.dispose();
}
menu = new Menu(parent);
for (Iterator<Context> i = contexts.iterator(); i.hasNext(); ) {
Context context = (Context)i.next();
if (context.isVisible()) {
Action action = createContextAction(context);
ActionContributionItem item= new ActionContributionItem(action);
item.fill(menu, -1);
}
}
return menu;
}
abstract protected ShowContextAction createContextAction(Context context);
/* (non-Javadoc)
* @see org.eclipse.jface.action.IMenuCreator#getMenu(org.eclipse.swt.widgets.Menu)
*/
public Menu getMenu(Menu parent) {
return null;
}
// ------------------------------------------------------------------------
protected abstract class ShowContextAction extends Action {
protected Context context;
ShowContextAction(Context context) {
this.context = context;
setText(context.getLabel());
ImageDescriptor image = VDTPluginImages.getImageDescriptor(context);
if (image == null) {
image = ContextsAction.this.getImageDescriptor(); // VDTPluginImages.DESC_PACKAGE_PROPERTIES;
}
setImageDescriptor(image);
}
abstract public void run();
} // class ShowContextAction
} // class ContextsAction