/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* 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
*
* Contributors:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
package org.reuseware.sokan.ui.internal.actions;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.reuseware.sokan.Store;
import org.reuseware.sokan.index.util.StoreUtil;
import org.reuseware.sokan.resource.ui.StoreDecorator;
import org.reuseware.sokan.resource.util.BuildUtil;
/**
* Base action for activating and deactivating folders or projects as Sokan stores.
*/
public abstract class AbstractStoreToggleAction implements IObjectActionDelegate {
protected final StoreUtil storeUtil = StoreUtil.INSTANCE;
protected ISelection selection;
protected Shell shell;
/**
* Runs the action.
*
* @param action the action proxy that handles the presentation portion of the
* action
*/
public void run(IAction action) {
List<IContainer> selected = acquireSelectedContainers();
for (IContainer container : selected) {
Store store = null;
boolean isNewStore = !storeUtil.isStore(container);
if (isNewStore) {
store = getStore(container);
}
boolean toggled = BuildUtil.toggleStore(container, store);
if (toggled) {
StoreDecorator.refresh(container);
}
}
}
protected abstract Store getStore(IContainer container);
private List<IContainer> acquireSelectedContainers() {
if (!(selection instanceof IStructuredSelection)) {
return null;
}
@SuppressWarnings("unchecked")
List<Object> selected = ((IStructuredSelection) selection).toList();
List<IContainer> back = new ArrayList<IContainer>(selected.size());
IContainer container = null;
for (Object object : selected) {
if (object instanceof IContainer) {
container = (IContainer) object;
} else if (object instanceof IAdaptable) {
container = (IContainer) ((IAdaptable) object)
.getAdapter(IContainer.class);
}
if (container != null) {
back.add(container);
}
}
return back;
}
/**
* Decides if the selection can be marked or unmarked as store and modifies
* text and activation status accordingly.
*
* @param action the action proxy that handles presentation portion of
* the action
* @param selection the current selection, or <code>null</code> if there
* is no selection.
*/
public void selectionChanged(IAction action, ISelection selection) {
this.selection = selection;
List<IContainer> selectedContainer = acquireSelectedContainers();
boolean isEnabled = true;
int markAsStore = 13; // -1:true, +1:false, 0:both, 13:default
for (IContainer cont : selectedContainer) {
if (storeUtil.isStore(cont)) {
if (markAsStore != 0) {
if (markAsStore == -1) {
markAsStore = 0;
} else {
markAsStore = 1;
}
}
continue;
} else {
if (markAsStore != 0) {
if (markAsStore == 1) {
markAsStore = 0;
} else {
markAsStore = -1;
}
}
}
if (storeUtil.isInStore(cont) || storeUtil.isParentOfStore(cont)
|| storeUtil.isClosedProject(cont)) {
isEnabled = false;
break;
}
}
if (!isEnabled) {
markAsStore = 0;
}
action.setEnabled(isEnabled);
switch (markAsStore) {
case -1:
action.setText("Mark as Store" + getFilterName());
break;
case +1:
if (supportsUnMark()) {
action.setText("Unmark as Store");
} else {
action.setEnabled(false);
}
break;
default:
if (supportsUnMark()) {
action.setText("(Un)Mark as Store");
} else {
action.setEnabled(false);
}
break;
}
}
protected abstract String getFilterName();
protected abstract boolean supportsUnMark();
/**
* @param action
* the action proxy that handles presentation portion of the
* action; must not be <code>null</code>.
* @param targetPart
* the new part target; must not be <code>null</code>.
*/
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
shell = targetPart.getSite().getWorkbenchWindow().getShell();
}
}