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The source code// $Id: ActionLayout.java,v 1.10 2004/08/16 19:30:57 mvw Exp $ // Copyright (c) 1996-2004 The Regents of the University of California. All // Rights Reserved. Permission to use, copy, modify, and distribute this // software and its documentation without fee, and without a written // agreement is hereby granted, provided that the above copyright notice // and this paragraph appear in all copies. This software program and // documentation are copyrighted by The Regents of the University of // California. The software program and documentation are supplied "AS // IS", without any accompanying services from The Regents. The Regents // does not warrant that the operation of the program will be // uninterrupted or error-free. The end-user understands that the program // was developed for research purposes and is advised not to rely // exclusively on the program for any reason. IN NO EVENT SHALL THE // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, // UPDATES, ENHANCEMENTS, OR MODIFICATIONS. package org.argouml.uml.ui; import java.awt.event.ActionEvent; import java.util.Collection; import java.util.Iterator; import org.argouml.kernel.ProjectManager; import org.argouml.uml.diagram.static_structure.layout.ClassdiagramLayouter; import org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram; import org.argouml.uml.diagram.ui.UMLDiagram; import org.tigris.gef.base.Editor; import org.tigris.gef.base.Globals; import org.tigris.gef.base.SelectionManager; import org.tigris.gef.presentation.Fig; /** * Action to layout a diagram. * */ public class ActionLayout extends UMLAction { //////////////////////////////////////////////////////////////// // instance variables private String tabName; //////////////////////////////////////////////////////////////// // constructors /** * The constructor. * @param theTabName the name of the tab */ public ActionLayout(String theTabName) { super(theTabName, NO_ICON); tabName = theTabName; } //////////////////////////////////////////////////////////////// // main methods /** check whether we deal with a supported diagram type * (currently only UMLClassDiagram). * Incremental Layout is not implemented for any diagram type, * so it is greyed out. * @see org.argouml.ui.ProjectBrowser */ public boolean shouldBeEnabled() { return ( super.shouldBeEnabled() && (ProjectManager.getManager().getCurrentProject() .getActiveDiagram() instanceof UMLClassDiagram) && "action.layout-automatic".equals(tabName)); } /** This action performs the layout and triggers a redraw * of the editor pane. * * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent) */ public void actionPerformed(ActionEvent ae) { ClassdiagramLayouter layouter = new ClassdiagramLayouter( (UMLDiagram) ProjectManager.getManager() .getCurrentProject() .getActiveDiagram()); Editor ce = Globals.curEditor(); SelectionManager sm = ce.getSelectionManager(); // Get all the figures from the diagram. Collection nodes = ((UMLClassDiagram) ProjectManager.getManager().getCurrentProject() .getActiveDiagram()) .getLayer().getContents(null); Iterator it = nodes.iterator(); while (it.hasNext()) { sm.select((Fig) (it.next())); // Select all the figures in the diagram. } // Notify the selection manager that selected figures will be moved now. layouter.layout(); // Compute a new layout. sm.endTrans(); // Finish the transition. sm.deselectAll(); // Deselect all figures. } } /* end class ActionLayout */ |
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