/home/ythoma/docs/math2mat/svn/wp1/framework/m2mGUI/src/m2m/frontend/actions/ViewDotFlatFile.java

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package m2m.frontend.actions;

import java.io.File;

import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;

import m2m.backend.processing.ExternalRuns;
import m2m.frontend.ErrorProcessing;
import m2m.frontend.actions.M2MAction;
import m2m.frontend.view.ImageViewer;

public class ViewDotFlatFile extends M2MAction {

        public ViewDotFlatFile(IWorkbenchWindow window, String label) {
                super(window,label);
            // The id is used to refer to the action in a menu or toolbar
                setId(ICommandIds.CMD_DOTFLATVIEW);
            // Associate the action with a pre-defined command, to allow key bindings.
                setActionDefinitionId(ICommandIds.CMD_DOTFLATVIEW);
//                      setImageDescriptor(m2mgui.Activator.getImageDescriptor("/icons/octave.gif"));
        }

        public void run() {

                if (!getEditor("Error","Select a correct M2M editor"))
                        return;
                
                if (!editor.getM2MProject().generateFlatDotFile()) {
                        System.out.println("Can not generate Dot file\n");
                }
                
                File file = editor.getInputFile();
                
                
                String dotName = (file.getAbsolutePath().lastIndexOf(".") == -1 ? "" :
                file.getAbsolutePath().substring(0, file.getAbsolutePath().lastIndexOf(".")));
                
                if (!ExternalRuns.runDot(dotName+"_flat.gv", dotName+"_flat.png")) {
                        ErrorProcessing.processLastError(Display.getCurrent());
                        return;
                }
                
                
            //open a new editor with the file's content
            IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
                    
            int i = 0;

            IViewReference aViewReference;
        do {
              i++;
          aViewReference = page.findViewReference(ImageViewer.ID, 
                          String.valueOf(i));
          if (aViewReference != null) {
                  if (aViewReference.getPartName().equalsIgnoreCase((file.getName().lastIndexOf(".") == -1 ? "" :
                                                                                        file.getName().substring(0, file.getName().lastIndexOf("."))+"_flat.png"))) {
                          page.activate(aViewReference.getPart(false));
                          break;
                  }
          }
        } while (aViewReference != null);
            
            
            try {
                page.showView(ImageViewer.ID, String.valueOf(i), IWorkbenchPage.VIEW_ACTIVATE);
                ImageViewer imViewer = (ImageViewer)PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart();
                imViewer.setImage(dotName+"_flat.png");
            } catch (PartInitException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }
}