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The source code

// $Id: SelectionClass.java,v 1.18 2004/08/07 15:39:55 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.diagram.static_structure.ui;

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;

import javax.swing.Icon;

import org.apache.log4j.Logger;

import org.argouml.application.helpers.ResourceLoaderWrapper;
import org.argouml.model.uml.UmlFactory;
import org.argouml.model.ModelFacade;
import org.argouml.uml.diagram.deployment.DeploymentDiagramGraphModel;
import org.argouml.uml.diagram.ui.ModeCreateEdgeAndNode;
import org.argouml.uml.diagram.ui.SelectionWButtons;

import org.tigris.gef.base.Editor;
import org.tigris.gef.base.Globals;
import org.tigris.gef.base.ModeManager;
import org.tigris.gef.base.ModeModify;
import org.tigris.gef.base.SelectionManager;
import org.tigris.gef.graph.GraphModel;
import org.tigris.gef.graph.MutableGraphModel;
import org.tigris.gef.presentation.Fig;
import org.tigris.gef.presentation.FigNode;
import org.tigris.gef.presentation.Handle;

/**
 * @author jrobbins@ics.uci.edu
 */
public class SelectionClass extends SelectionWButtons {

    private static final Logger LOG =
        Logger.getLogger(SelectionClass.class);
    
    ////////////////////////////////////////////////////////////////
    // constants
    private static Icon inherit = 
        ResourceLoaderWrapper.lookupIconResource("Generalization");

    private static Icon assoc = 
        ResourceLoaderWrapper.lookupIconResource("Association");

    private static Icon compos = 
        ResourceLoaderWrapper.lookupIconResource("CompositeAggregation");

    private static Icon selfassoc =
        ResourceLoaderWrapper.lookupIconResource("SelfAssociation");
        


    ////////////////////////////////////////////////////////////////
    // instance variables
    private boolean useComposite = false;
    


    ////////////////////////////////////////////////////////////////
    // constructors

    /**
     * Construct a new SelectionClass for the given Fig.
     *
     * @param f The given Fig.
     */
    public SelectionClass(Fig f) { super(f); }

    /** Return a handle ID for the handle under the mouse, or -1 if
     *  none. Needs-More-Work: in the future, return a Handle instance or
     *  null. 

*

     *   0-------1-------2
     *   |               |
     *   3               4
     *   |               |
     *   5-------6-------7
     * 
* * @see org.tigris.gef.base.Selection#hitHandle(java.awt.Rectangle, * org.tigris.gef.presentation.Handle) */ public void hitHandle(Rectangle r, Handle h) { super.hitHandle(r, h); if (h.index != -1) return; if (!isPaintButtons()) return; Editor ce = Globals.curEditor(); SelectionManager sm = ce.getSelectionManager(); if (sm.size() != 1) return; ModeManager mm = ce.getModeManager(); if (mm.includes(ModeModify.class) && getPressedButton() == -1) return; int cx = _content.getX(); int cy = _content.getY(); int cw = _content.getWidth(); int ch = _content.getHeight(); int iw = inherit.getIconWidth(); int ih = inherit.getIconHeight(); int aw = assoc.getIconWidth(); int ah = assoc.getIconHeight(); int saw = selfassoc.getIconWidth(); int sah = selfassoc.getIconHeight(); if (hitAbove(cx + cw / 2, cy, iw, ih, r)) { h.index = 10; h.instructions = "Add a superclass"; } else if (hitBelow(cx + cw / 2, cy + ch, iw, ih, r)) { h.index = 11; h.instructions = "Add a subclass"; } else if (hitLeft(cx + cw, cy + ch / 2, aw, ah, r)) { h.index = 12; h.instructions = "Add an associated class"; } else if (hitRight(cx, cy + ch / 2, aw, ah, r)) { h.index = 13; h.instructions = "Add an associated class"; } else if (hitRight(cx, cy + ch - 10, saw, sah, r)) { h.index = 14; h.instructions = "Add a self association"; } else { h.index = -1; h.instructions = "Move object(s)"; } } /** * @see SelectionWButtons#paintButtons(Graphics) */ public void paintButtons(Graphics g) { int cx = _content.getX(); int cy = _content.getY(); int cw = _content.getWidth(); int ch = _content.getHeight(); // The next two lines are necessary to get the GraphModel, // in the DeploymentDiagram there are no Generalizations Editor ce = Globals.curEditor(); GraphModel gm = ce.getGraphModel(); if (!(gm instanceof DeploymentDiagramGraphModel)) { paintButtonAbove(inherit, g, cx + cw / 2, cy, 10); paintButtonBelow(inherit, g, cx + cw / 2, cy + ch, 11); } if (useComposite) { paintButtonLeft(compos, g, cx + cw, cy + ch / 2, 12); paintButtonRight(compos, g, cx, cy + ch / 2, 13); paintButtonRight(selfassoc, g, cx, cy + ch - 10, 14); } else { paintButtonLeft(assoc, g, cx + cw, cy + ch / 2, 12); paintButtonRight(assoc, g, cx, cy + ch / 2, 13); paintButtonRight(selfassoc, g, cx, cy + ch - 10, 14); } } /** * @see org.tigris.gef.base.Selection#dragHandle(int, int, int, int, * org.tigris.gef.presentation.Handle) */ public void dragHandle(int mX, int mY, int anX, int anY, Handle hand) { if (hand.index < 10) { setPaintButtons(false); super.dragHandle(mX, mY, anX, anY, hand); return; } int cx = _content.getX(), cy = _content.getY(); int cw = _content.getWidth(), ch = _content.getHeight(); int newX = cx, newY = cy, newW = cw, newH = ch; Dimension minSize = _content.getMinimumSize(); int minWidth = minSize.width, minHeight = minSize.height; Class edgeClass = null; Class nodeClass = (Class) ModelFacade.CLASS; int bx = mX, by = mY; boolean reverse = false; switch (hand.index) { case 10: //add superclass edgeClass = (Class) ModelFacade.GENERALIZATION; by = cy; bx = cx + cw / 2; break; case 11: //add subclass edgeClass = (Class) ModelFacade.GENERALIZATION; reverse = true; by = cy + ch; bx = cx + cw / 2; break; case 12: //add assoc edgeClass = (Class) ModelFacade.ASSOCIATION; by = cy + ch / 2; bx = cx + cw; break; case 13: // add assoc edgeClass = (Class) ModelFacade.ASSOCIATION; reverse = true; by = cy + ch / 2; bx = cx; break; case 14: // selfassociation // do not want to drag this break; default: LOG.warn("invalid handle number"); break; } if (edgeClass != null && nodeClass != null) { Editor ce = Globals.curEditor(); ModeCreateEdgeAndNode m = new ModeCreateEdgeAndNode(ce, edgeClass, nodeClass, useComposite); m.setup((FigNode) _content, _content.getOwner(), bx, by, reverse); ce.pushMode(m); } } //////////////////////////////////////////////////////////////// // event handlers /** * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent) */ public void mouseEntered(MouseEvent me) { super.mouseEntered(me); useComposite = me.isShiftDown(); } /** * @see org.argouml.uml.diagram.ui.SelectionWButtons#getNewNode(int) */ protected Object getNewNode(int buttonCode) { return UmlFactory.getFactory().getCore().createClass(); } /** * @see SelectionWButtons#createEdgeAbove( * org.tigris.gef.graph.MutableGraphModel, java.lang.Object) */ protected Object createEdgeAbove(MutableGraphModel mgm, Object newNode) { return mgm.connect(_content.getOwner(), newNode, (Class) ModelFacade.GENERALIZATION); } /** * @see SelectionWButtons#createEdgeLeft( * org.tigris.gef.graph.MutableGraphModel, java.lang.Object) */ protected Object createEdgeLeft(MutableGraphModel mgm, Object newNode) { return mgm.connect(newNode, _content.getOwner(), (Class) ModelFacade.ASSOCIATION); } /** * @see SelectionWButtons#createEdgeRight( * org.tigris.gef.graph.MutableGraphModel, java.lang.Object) */ protected Object createEdgeRight(MutableGraphModel mgm, Object newNode) { return mgm.connect(_content.getOwner(), newNode, (Class) ModelFacade.ASSOCIATION); } /** * @see SelectionWButtons#createEdgeToSelf( * org.tigris.gef.graph.MutableGraphModel) */ protected Object createEdgeToSelf(MutableGraphModel mgm) { return mgm.connect(_content.getOwner(), _content.getOwner(), (Class) ModelFacade.ASSOCIATION); } /** * @see SelectionWButtons#createEdgeUnder( * org.tigris.gef.graph.MutableGraphModel, java.lang.Object) */ protected Object createEdgeUnder(MutableGraphModel mgm, Object newNode) { return mgm.connect(newNode, _content.getOwner(), (Class) ModelFacade.GENERALIZATION); } } /* end class SelectionClass */
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