com.netxforge.screens.editing.base.actions.handlers.DynamicScreensActionHandler.java Source code

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Here is the source code for com.netxforge.screens.editing.base.actions.handlers.DynamicScreensActionHandler.java

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/*******************************************************************************
 * Copyright (c) Aug 2, 2011 NetXForge.
 * 
 * This program 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.
 * 
 * This program 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/>
 * 
 * Contributors: Christophe Bouhier - initial API and implementation and/or
 * initial documentation
 *******************************************************************************/
package com.netxforge.screens.editing.base.actions.handlers;

import java.util.List;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IActionBars;

import com.netxforge.screens.editing.base.actions.SeparatorAction;
import com.netxforge.screens.editing.base.internal.BaseEditingActivator;

/**
 * An action handler which accepts non-predefined actions.
 */
public class DynamicScreensActionHandler extends AbstractActionHandler {

    @SuppressWarnings("unused")
    private IStructuredSelection selection;

    private List<IAction> actions;

    public void initActions(IActionBars actionBars) {
        // Ignore for dynamic screen actions, as we would ....
    }

    public void showMenu(ActionHandlerDescriptor descriptor) {
        IMenuManager menuManager = descriptor.getMenuManager();
        this.addActions(menuManager);
    }

    public void addActions(List<IAction> actions) {
        this.actions = actions;
    }

    private void addActions(IMenuManager menuManager) {

        for (IAction action : actions) {
            if (BaseEditingActivator.DEBUG) {
                BaseEditingActivator.TRACE.trace("/debug", "inserting dynanmic action" + action.getText());
                // System.out.println("EDITING: update action=" +
                // action.getText());
            }
            if (action instanceof SeparatorAction) {
                menuManager.insertAfter("screen", new Separator());
            } else {
                menuManager.insertAfter("screen", action);
            }
        }
    }

    @Override
    public void handleSelection(IStructuredSelection ss) {
        this.selection = ss;

        if (BaseEditingActivator.DEBUG && !ss.isEmpty()) {
            BaseEditingActivator.TRACE.trace(null, "update selection: " + ss);
        }

        for (IAction action : actions) {

            if (action instanceof com.netxforge.screens.editing.base.actions.BaseSelectionListenerAction) {
                com.netxforge.screens.editing.base.actions.BaseSelectionListenerAction bsla = (com.netxforge.screens.editing.base.actions.BaseSelectionListenerAction) action;
                bsla.selectionChanged(ss);
            } else if (action instanceof org.eclipse.ui.actions.BaseSelectionListenerAction) {
                org.eclipse.ui.actions.BaseSelectionListenerAction bsla = (org.eclipse.ui.actions.BaseSelectionListenerAction) action;
                bsla.selectionChanged(ss);

            }
        }
    }

}