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// $Id: PropPanelAssociationEnd.java,v 1.49 2004/10/02 13:11:35 mvw Exp $
// Copyright (c) 1996-2002 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.foundation.core;

import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.border.TitledBorder;

import org.argouml.i18n.Translator;
import org.argouml.model.ModelFacade;
import org.argouml.swingext.GridLayout2;
import org.argouml.swingext.Orientation;
import org.argouml.ui.targetmanager.TargetManager;
import org.argouml.uml.ui.ActionNavigateAssociation;
import org.argouml.uml.ui.ActionNavigateOppositeAssocEnd;
import org.argouml.uml.ui.ActionRemoveFromModel;
import org.argouml.uml.ui.PropPanelButton2;
import org.argouml.uml.ui.UMLComboBox2;
import org.argouml.uml.ui.UMLLinkedList;
import org.argouml.uml.ui.UMLMultiplicityComboBox2;
import org.argouml.uml.ui.UMLMultiplicityComboBoxModel;
import org.argouml.uml.ui.UMLMutableLinkedList;
import org.argouml.util.ConfigLoader;

/**
 * TODO: this property panel needs refactoring to remove dependency on old gui
 * components.
 */
public class PropPanelAssociationEnd extends PropPanelModelElement {

    private JLabel associationsLabel;

    /**
     * The combobox that shows the type of this association end.
     */
    private JComboBox typeCombobox;

    /**
     * The scrollpane showing the association that owns this associationend
     */
    private JScrollPane associationScroll;

    /**
     * The combobox for the multiplicity of this type.
     */
    private UMLComboBox2 multiplicityComboBox;

    /**
     * Model for the MultiplicityComboBox
     */
    private static UMLMultiplicityComboBoxModel multiplicityComboBoxModel;

    /**
     * The checkbox that shows if this association end is navigable.
     */
    private JCheckBox navigabilityCheckBox;

    /**
     * The checkbox that shows the ordering of the associationend. It's selected
     * if it's an ordered associationend. Unselected if it's unordered. Sorted
     * is not supported atm.
     */
    private JCheckBox orderingCheckBox;

    /**
     * The checkbox that shows the scope of the associationend. Selected means
     * that the scope is the classifier. Unselected means that the scope is the
     * instance (the default).
     */
    private JCheckBox targetScopeCheckBox;

    /**
     * The panel with the radiobuttons the user can select to select the
     * aggregation of this associationend.
     */
    private JPanel aggregationRadioButtonpanel;

    /**
     * The panel with the radiobuttons the user can select to select the
     * changeability of this associationend.
     */
    private JPanel changeabilityRadioButtonpanel;

    /**
     * The panel with the radiobuttons to set the visibility (public, protected,
     * private) of this associationend. There is a bug (or inconsistency) with
     * NSUML since NSUML equals this visibility with the visibility of a
     * modelelement. The UML 1.3 spec does not. Since I try to follow the spec
     * as much as possible, the panel is defined here and not in
     * PropPanelModelElement
     */
    private JPanel visibilityRadioButtonPanel;

    /**
     * The list of classifiers that specify the operations that must be
     * implemented by the classifier type. These operations can be used by this
     * association.
     */
    private JScrollPane specificationScroll;

    /**
     * Constructs the proppanel including initializing all scrollpanes, panels
     * etc. but excluding placing them on the proppanel itself.
     * 
     * @see org.argouml.uml.ui.PropPanel#PropPanel(String, Orientation)
     */
    protected PropPanelAssociationEnd(String name, Orientation orientation) {
        super(name, orientation);
    }

    private String associationLabel;

    /**
     * Constructs the proppanel and places all scrollpanes etc. on the canvas.
     * 
     * @see java.lang.Object#Object()
     */
    public PropPanelAssociationEnd() {
        super("AssociationEnd", ConfigLoader.getTabPropsOrientation());
        associationLabel = Translator.localize("UMLMenu", "label.association");
        Class mclass = (Class) ModelFacade.ASSOCIATION_END;
        createControls(mclass);
        positionStandardControls();
        positionControls();
    }

    /**
     * @param mclass (not used) the association end
     */
    protected void createControls(Class mclass) {
        typeCombobox = new UMLComboBox2(
                new UMLAssociationEndTypeComboBoxModel(),
                ActionSetAssociationEndType.getInstance(), true);
        JList associationList = new UMLLinkedList(
                new UMLAssociationEndAssociationListModel());
        associationList.setVisibleRowCount(1);
        associationScroll = new JScrollPane(associationList);
        navigabilityCheckBox = new UMLAssociationEndNavigableCheckBox();
        orderingCheckBox = new UMLAssociationEndOrderingCheckBox();
        targetScopeCheckBox = new UMLAssociationEndTargetScopeCheckbox();
        aggregationRadioButtonpanel = 
            new UMLAssociationEndAggregationRadioButtonPanel(
                Translator.localize("UMLMenu", "label.aggregation"), true);
        changeabilityRadioButtonpanel = 
            new UMLAssociationEndChangeabilityRadioButtonPanel(
                Translator.localize("UMLMenu", "label.changeability"), true);
        visibilityRadioButtonPanel = 
            new UMLModelElementVisibilityRadioButtonPanel(
                Translator.localize("UMLMenu", "label.visibility"), true);
        specificationScroll = new JScrollPane(new UMLMutableLinkedList(
                new UMLAssociationEndSpecificationListModel(),
                ActionAddAssociationSpecification.getInstance(), 
                null, null, true));
    }

    /**
     * Add the standard controls to the panel.
     */
    protected void positionStandardControls() {
        addField(Translator.localize("UMLMenu", "label.name"),
                getNameTextField());
        // addField(Translator.localize("UMLMenu", "label.stereotype"), new
        // UMLComboBoxNavigator(this, Translator.localize("UMLMenu",
        // "tooltip.nav-stereo"), getStereotypeBox()));
        addField(Translator.localize("UMLMenu", "label.stereotype"),
                getStereotypeBox());
    }

    /**
     * Add the specific controls for an associationend to the panel.
     */
    protected void positionControls() {
        addField(associationLabel, associationScroll);
        addField(Translator.localize("UMLMenu", "label.type"), typeCombobox);
        addField(Translator.localize("UMLMenu", "label.multiplicity"),
                getMultiplicityComboBox());

        addSeperator();

        JPanel panel = new JPanel(new GridLayout2());
        panel.add(navigabilityCheckBox);
        panel.add(orderingCheckBox);
        panel.add(targetScopeCheckBox);
        panel.setBorder(new TitledBorder(Translator.localize("UMLMenu",
                "label.modifiers")));
        panel.setVisible(true);
        add(panel);
        addField(Translator.localize("UMLMenu", "label.specification"),
                specificationScroll);

        addSeperator();

        add(aggregationRadioButtonpanel);
        add(changeabilityRadioButtonpanel);
        add(visibilityRadioButtonPanel);

        addButton(new PropPanelButton2(this,
                new ActionNavigateAssociation()));
        addButton(new PropPanelButton2(this,
                new ActionNavigateOppositeAssocEnd()
                        .setIcon(lookupIcon("AssociationEnd"))));
        addButton(new PropPanelButton2(this, new ActionRemoveFromModel()));

    }

    /**
     * @param label the label
     */
    protected void setAssociationLabel(String label) {
    }

    /**
     * Returns the multiplicityComboBox.
     * 
     * @return UMLMultiplicityComboBox2
     */
    protected UMLComboBox2 getMultiplicityComboBox() {
        if (multiplicityComboBox == null) {
            if (multiplicityComboBoxModel == null) {
                multiplicityComboBoxModel = 
                    new UMLAssociationEndMultiplicityComboBoxModel();
            }
            multiplicityComboBox = new UMLMultiplicityComboBox2(
                    multiplicityComboBoxModel,
                    ActionSetAssociationEndMultiplicity.getInstance());
            multiplicityComboBox.setEditable(true);
        }
        return multiplicityComboBox;
    }

    /**
     * Action behind pressing the button go to other. TODO: as soon as we don't
     * support JDK 1.2 any more, drop this method and replace it with an action.
     */
    public void gotoOther() {
        Object target = getTarget();
        if (ModelFacade.isAAssociationEnd(target)) {
            Object end = /* (MAssociationEnd) */target;
            TargetManager.getInstance().setTarget(
                    ModelFacade.getOppositeEnd(end));
        }
    }

    /**
     * Checks if the delete button of the associationend panel should be
     * enabled. It should be disabled if there are two or less association ends.
     * 
     * @return boolean
     */
    public boolean isDeleteEnabled() {
        if (ModelFacade.isAAssociationEnd(getTarget())) { 
            return ModelFacade.getOtherAssociationEnds(getTarget()).size() > 1; 
        }
        return false;
    }

} /* end class PropPanelAssociationEnd */

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