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Copyright 2010 JBoss Inc Licensed 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.drools.guvnor.client.packages;
 
 import  org.drools.guvnor.client.explorer.ExplorerViewCenterPanel;
 import  org.drools.guvnor.client.messages.Constants;
 import  org.drools.guvnor.client.rpc.SnapshotDiff;
 import  org.drools.guvnor.client.rpc.SnapshotDiffs;
 
 import  com.google.gwt.core.client.GWT;
 import  com.google.gwt.user.client.ui.Composite;
 import  com.google.gwt.user.client.ui.SimplePanel;
 import  com.gwtext.client.core.EventObject;
 import  com.gwtext.client.core.SortDir;
 import  com.gwtext.client.core.TextAlign;
 import  com.gwtext.client.data.ArrayReader;
 import  com.gwtext.client.data.FieldDef;
 import  com.gwtext.client.data.MemoryProxy;
 import  com.gwtext.client.data.Record;
 import  com.gwtext.client.data.RecordDef;
 import  com.gwtext.client.data.Store;
 import  com.gwtext.client.data.StringFieldDef;
 import  com.gwtext.client.util.Format;
 import  com.gwtext.client.widgets.grid.CellMetadata;
 import  com.gwtext.client.widgets.grid.ColumnConfig;
 import  com.gwtext.client.widgets.grid.ColumnModel;
 import  com.gwtext.client.widgets.grid.GridPanel;
 import  com.gwtext.client.widgets.grid.Renderer;
 import  com.gwtext.client.widgets.grid.event.GridRowListenerAdapter;
 
 public class SnapshotDiffView extends Composite {
 
     private static Constants        constants = GWT.create( Constants.class );
     private ExplorerViewCenterPanel centerPanel;
 
     private SimplePanel             layout    = new SimplePanel();
     private String                  leftHeader;
     private String                  rightHeader;
 
     public SnapshotDiffView(ExplorerViewCenterPanel center) {
         this. = center;
         initWidget(  );
     }
 
     private GridPanel doGrid(MemoryProxy proxy) {
         RecordDef recordDef = new RecordDef( new FieldDef[]{new StringFieldDef( "uuid" ), new StringFieldDef( "left" ), new StringFieldDef( "type" ), new StringFieldDef( "right" )} );
 
         ArrayReader reader = new ArrayReader( recordDef );
         Store store = new Store( proxy,
                                  reader );
         store.setDefaultSort( "left",
                               SortDir.DESC );
         store.load();
 
         ColumnModel cm = new ColumnModel( new ColumnConfig[]{new ColumnConfig() {
             {
                 setHiddentrue );
                 setHeader"uuid" );
                 setSortabletrue );
             }
         }, new ColumnConfig() {
             {
                 setHeader( Format.format( .Older0(),
                                            ) );
                 setDataIndex"left" ); //NON-NLS
                 setSortabletrue );
                 setWidth( 200 );
             }
         }, new ColumnConfig() {
             {
                 setHeader( .Type() );
                 setSortabletrue );
                 setDataIndex"type" );
                 setWidth( 100 );
                 setAlign( TextAlign.CENTER );
                 setRenderernew Renderer() {
                     public String render(Object value,
                                          CellMetadata cellMetadata,
                                          Record record,
                                          int rowIndex,
                                          int colNum,
                                          Store store) {
                         String type = (Stringvalue;
 
                         if ( type.equals( SnapshotDiff.TYPE_ADDED ) ) {
                            cellMetadata.setHtmlAttribute( "style=\"background:blue;color:white;font-weight: bold;\"" );
                            type = .TypeAdded();
                        } else if ( type.equals( SnapshotDiff.TYPE_ARCHIVED ) ) {
                            cellMetadata.setHtmlAttribute( "style=\"background:purple;color:white;font-weight: bold;\"" );
                            type = .TypeArchived();
                        } else if ( type.equals( SnapshotDiff.TYPE_DELETED ) ) {
                            cellMetadata.setHtmlAttribute( "style=\"background:red;color:white;font-weight: bold;\"" );
                            type = .TypeDeleted();
                        } else if ( type.equals( SnapshotDiff.TYPE_RESTORED ) ) {
                            cellMetadata.setHtmlAttribute( "style=\"background:orange;color:white;font-weight: bold;\"" );
                            type = .TypeRestored();
                        } else if ( type.equals( SnapshotDiff.TYPE_UPDATED ) ) {
                            cellMetadata.setHtmlAttribute( "style=\"background:green;color:white;font-weight: bold;\"" );
                            type = .TypeUpdated();
                        }
                        return type;
                    }
                } );
            }
        }, new ColumnConfig() {
            {
                setHeader( Format.format( .Newer0(),
                                           ) );
                setSortabletrue );
                setDataIndex"right" ); //NON-NLS
                setWidth( 200 );
            }
        }} );
        final GridPanel g = new GridPanel( store,
                                           cm );
        g.addGridRowListener( new GridRowListenerAdapter() {
            public void onRowDblClick(GridPanel grid,
                                      int rowIndex,
                                      EventObject e) {
                String uuid = grid.getSelectionModel().getSelected().getAsString( "uuid" ); //NON-NLS
                .openAsset( uuid );
            }
        } );
        g.setWidth( 800 );
        g.setHeight( 600 );
        return g;
    }
    public void showDiffs(SnapshotDiffs snapshotDiffs) {
        SnapshotDiff[] diffs = snapshotDiffs.diffs;
         = snapshotDiffs.leftName;
         = snapshotDiffs.rightName;
        Object[][] data = new Object[diffs.length][4];
        for ( int i = 0; i < diffs.length; i++ ) {
            SnapshotDiff diff = diffs[i];
            data[i][0] = diff.rightUuid;
            data[i][1] = diff.name;
            data[i][2] = diff.diffType;
            data[i][3] = diff.name;
        }
        this..clear();
        this..add( doGridnew MemoryProxy( data ) ) );
    }
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