Perspective.java

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package edu.rice.cs.hpc.viewer.framework;

import org.eclipse.swt.SWT;
import org.eclipse.ui.IFolderLayout;
import org.eclipse.ui.IPageLayout;
import org.eclipse.ui.IPerspectiveFactory;

import edu.rice.cs.hpc.filter.view.FilterView;
import edu.rice.cs.hpc.viewer.scope.bottomup.CallerScopeView;
import edu.rice.cs.hpc.viewer.scope.flat.FlatScopeView;
import edu.rice.cs.hpc.viewer.scope.topdown.ScopeView;
import edu.rice.cs.hpc.viewer.window.ViewerWindow;


/*****
 * 
 * Default perspective for the viewer
 *
 */
public class Perspective implements IPerspectiveFactory {
    
    final private static String FOLDER_ID = "metricViews";
    
    // we have to use IFoderLayout instead of IPlaceFolderLayout since its states will be stored. 
    private IFolderLayout[] objLayout = new IFolderLayout[ViewerWindow.maxDbNum];

    public void createInitialLayout(IPageLayout layout) {
        // get the main area
        String editorArea = layout.getEditorArea();
        layout.setEditorAreaVisible(true);
        layout.setFixed(false);
        
        // configure the view layout, create a separate partition (layout folder) for each of the databases that can be opened
        // this will group the views for each database so they can be treated as a one thing (minimize, restore, resizing, relocating)
        for (int i=0 ; i<ViewerWindow.maxDbNum ; i++) {
            if (i==0) {
                objLayout[i] = layout.createFolder(FOLDER_ID + i, IPageLayout.BOTTOM, 0.6f, editorArea);
            } else {
                objLayout[i] = layout.createFolder(FOLDER_ID + i, IPageLayout.RIGHT, 0.3f, "metricViews"+ (i-1));
            }
            objLayout[i].addView(ScopeView.ID + ":" + i);
            objLayout[i].addView(CallerScopeView.ID + ":" + i);
            objLayout[i].addView(FlatScopeView.ID + ":" + i);
        }
        layout.addView(FilterView.ID, SWT.RIGHT, .5f, editorArea);
    }
    
    // This method allows an external package to add views to the layout folders created above.
    // It is not needed by any code in the Rice viewer but Bull's viewer extensions will need something like 
    // this and it is general enough that it could also be used by other organizations wishing to extend the 
    // features offered in the standard Rice viewer.
    public void createInitialLayout(IPageLayout layout, String baseViewId) {
        for (int i=0 ; i<ViewerWindow.maxDbNum ; i++) {
            objLayout[i].addPlaceholder(baseViewId +  ":" + i);
        }
    }
}