com.google.code.t4eclipse.tools.action.AnalysisMenuAction.java Source code

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Here is the source code for com.google.code.t4eclipse.tools.action.AnalysisMenuAction.java

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/*******************************************************************************
 * Copyright (c) 2013 jialiang.
 * 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:
 *     Ben Xu, xufengbing@gmail.com - initial API and implementation
 *     jialiang, lantianjialiang@gmail.com - add copy right and fix warning
 ******************************************************************************/
package com.google.code.t4eclipse.tools.action;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;

import com.google.code.t4eclipse.selection.ControlSelection;
import com.google.code.t4eclipse.tools.view.MenuAnalyzerView;

public class AnalysisMenuAction implements IObjectActionDelegate {
    private Control c;

    public AnalysisMenuAction() {
        // TODO Auto-generated constructor stub
    }

    public void setActivePart(IAction action, IWorkbenchPart targetPart) {
        //do nothing
    }

    public void run(IAction action) {
        if (c == null || c.isDisposed()) {
            return;
        }
        if (!c.isVisible() || !c.isEnabled() || c.getMenu() == null) {
            MessageDialog.openConfirm(Display.getCurrent().getActiveShell(), "Confirm",
                    "This control is not visible or not enabled or has no menu!\n");
            return;
        }
        int itemCount = c.getMenu().getItemCount();
        if (itemCount == 0) {
            MessageDialog.openConfirm(Display.getCurrent().getActiveShell(), "Confirm",
                    "This control's menu has no menu items now!\n"
                            + "Control's menu item may be constructed during menu show,\n"
                            + "Please check control's menu first on eclispe ui ! ");

            return;

        }

        try {
            IViewPart view = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
                    .showView("com.google.code.t4eclipse.tools.view.MenuAnalyzerView");
            if (view != null && view instanceof MenuAnalyzerView) {
                MenuAnalyzerView ma = (MenuAnalyzerView) view;
                ma.update(this.c);
            }
        } catch (PartInitException e) {
            //do nothing
        }

    }

    public void selectionChanged(IAction action, ISelection selection) {
        this.c = null;
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection ss = (IStructuredSelection) selection;
            Object o = ss.getFirstElement();
            if (o instanceof ControlSelection) {
                ControlSelection cs = (ControlSelection) o;
                this.c = cs.getControl();
            }
        }

    }

}