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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.netbeans.modules.autoupdate.ui;

import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.swing.table.JTableHeader;
import org.netbeans.api.autoupdate.InstallSupport;
import org.netbeans.api.autoupdate.OperationContainer;
import org.netbeans.api.autoupdate.OperationContainer.OperationInfo;
import org.netbeans.api.autoupdate.OperationSupport;
import org.netbeans.api.autoupdate.UpdateElement;
import org.netbeans.api.autoupdate.UpdateUnit;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.util.NbBundle;

/**
 *
 * @author Jiri Rechtacek, Radek Matous
 */
public class UpdateTableModel extends UnitCategoryTableModel {
    //just prevents from gc, do not delete
    private OperationContainer container = Containers.forUpdate ();
    private OperationContainer containerCustom = Containers.forCustomInstall ();
    
    private static String col0, col1, col2;
    
    /** Creates a new instance of UpdateTableModel
     * @param units 
     */
    public UpdateTableModel (List units) {
        setUnits (units);
    }
    
    public final void setUnits (List units) {        
        setData (Utilities.makeUpdateCategories (units, false));
    }
    
    @Override
    public void setValueAt(Object anValue, int row, int col) {
        if (isExpansionControlAtRow(row)) return;//NOI18N                
        // second column is editable but doesn't want to edit its value
        if (col == 1) {
            return ;
        }
        super.setValueAt(anValue, row, col);
        Unit u = getUnitAtRow(row);
        assert anValue instanceof Boolean : anValue + " must be instanceof Boolean.";
        boolean beforeMarked = u.isMarked();
        if ((Boolean) anValue != beforeMarked) {
            u.setMarked(! beforeMarked);
            if (u.isMarked() != beforeMarked) {
                fireButtonsChange();
            } else {
                //TODO: message should contain spec.version
                String message = NbBundle.getMessage(UpdateTableModel.class, "NotificationAlreadyPreparedToIntsall", u.getDisplayName()); // NOI18N
                DialogDisplayer.getDefault().notify(new NotifyDescriptor.Message(message));
            }
        }
    }
    
    public Object getValueAt(int row, int col) {
        Object res = null;
        if (isExpansionControlAtRow(row)) return "";//NOI18N
        Unit u = getUnitAtRow(row);
        switch (col) {
        case 0 :
            res = u.isMarked() ? Boolean.TRUE : Boolean.FALSE;
            break;
        case 1 :
            res = u.getDisplayName();
            break;
        case 2 :
            res = u.getCategoryName();
            break;
        }
        
        return res;
    }
    
    public int getColumnCount () {
        return 3;
    }
    
    public Class getColumnClass (int c) {
        Class res = null;
        
        switch (c) {
        case 0 :
            res = Boolean.class;
            break;
        case 1 :
            res = DisplayName.class;
            break;
        case 2 :
            res = String.class;
            break;
        }
        
        return res;
    }
    
    @Override
    public String getColumnName (int column) {
        switch (column) {
            case 0 :
                if (col0 == null) {
                    col0 = getBundle ("UpdateTableModel_Columns_Update");
                }
                return col0;
            case 1 :
                if (col1 == null) {
                    col1 = getBundle ("UpdateTableModel_Columns_Name");
                }
                return col1;
            case 2 :
                if (col2 == null) {
                    col2 = getBundle("UpdateTableModel_Columns_Category");
                }
                return col2;
        }
        
        assert false;
        return super.getColumnName ( column );
    }
    
    public int getPreferredWidth (JTableHeader header, int col) {
        final int minWidth = super.getMinWidth(header, col);
        switch (col) {
        case 1:
            return minWidth*4;
        case 2:
            return minWidth*2;
        }
        return minWidth;
    }
    
    public Type getType () {
        return UnitCategoryTableModel.Type.UPDATE;
    }
    
    public class DisplayName {
        public DisplayName (String name) {
            
        }
    }
    public boolean isSortAllowed (Object columnIdentifier) {
        boolean isUpdate = getColumnName (0).equals (columnIdentifier);
        return isUpdate ? false : true;
    }
    
    protected Comparator getComparator (final Object columnIdentifier, final boolean sortAscending) {
        return new Comparator(){
            public int compare (Unit o1, Unit o2) {
                Unit unit1 = sortAscending ? o1 : o2;
                Unit unit2 = sortAscending ? o2 : o1;
                if (getColumnName (0).equals (columnIdentifier)) {
                    assert false : columnIdentifier.toString ();
                } else if (getColumnName (1).equals (columnIdentifier)) {
                    return Unit.compareDisplayNames (unit1, unit2);
                } else if (getColumnName (2).equals (columnIdentifier)) {
                    return Unit.compareCategories(unit1, unit2);
                }
                return 0;
            }
        };
    }
    
    @SuppressWarnings ("unchecked")
    public int getDownloadSize () {
        int res = 0;
        assert container != null || containerCustom != null: "OperationContainer found when asking for download size.";
        Set infos = new HashSet ();
        infos.addAll (container.listAll ());
        infos.addAll (containerCustom.listAll ());
        Set elements = new HashSet ();
        for (OperationInfo info : infos) {
            if (elements.add (info.getUpdateElement ())) {
                elements.addAll (info.getRequiredElements ());
            }
        }
        for (UpdateElement el : elements) {
            res += el.getDownloadSize ();
        }
        return res;
    }
    
    private String getBundle (String key) {
        return NbBundle.getMessage (this.getClass (), key);
    }

    public String getTabTitle() {
        return NbBundle.getMessage (PluginManagerUI.class, "PluginManagerUI_UnitTab_Update_Title");//NOI18N
    }

    @Override
    public String getTabTooltipText() {
        if (isTabEnabled()) {
            return super.getTabTooltipText(); 
        }
        return NbBundle.getMessage(PluginManagerUI.class, "PluginManagerUI_UnitTab_Update_ToolTip");
    }

    public int getTabIndex() {
        return PluginManagerUI.INDEX_OF_UPDATES_TAB;
    }

    @Override
    public boolean isTabEnabled() {
        return true;//getRawItemCount() > 0;
    }

    public boolean needsRestart () {
        return true;
    }
}