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  package org.drools.guvnor.client.packages;
  /*
   * Copyright 2005 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.
  */
 
 import  org.drools.guvnor.client.common.FormStyleLayout;
 import  org.drools.guvnor.client.common.HTMLFileManagerFields;
 import  org.drools.guvnor.client.rpc.RuleAsset;
 import  org.drools.guvnor.client.ruleeditor.RuleViewer;
 
 import  com.google.gwt.core.client.GWT;
 import  com.google.gwt.user.client.Window;
 import  com.google.gwt.user.client.ui.Button;
 import  com.google.gwt.user.client.ui.ClickListener;
 import  com.google.gwt.user.client.ui.Composite;
 import  com.google.gwt.user.client.ui.FileUpload;
 import  com.google.gwt.user.client.ui.FormHandler;
 import  com.google.gwt.user.client.ui.FormPanel;
 import  com.google.gwt.user.client.ui.FormSubmitCompleteEvent;
 import  com.google.gwt.user.client.ui.FormSubmitEvent;
 import  com.google.gwt.user.client.ui.HorizontalPanel;
 import  com.google.gwt.user.client.ui.TextBox;
 import  com.google.gwt.user.client.ui.Widget;

This wraps a file uploader utility for model packages. Model packages are jar files.

Author(s):
Michael Neale
Fernando Meyer
 
 
 public abstract class AssetAttachmentFileWidget extends Composite {
 
 
     private FormPanel form;
     private Button ok;
     private RuleViewer viewer;
     protected FormStyleLayout layout;
     protected RuleAsset asset;
     private Constants constants = GWT.create(Constants.class);
 
 
     public AssetAttachmentFileWidget(final RuleAsset assetfinal RuleViewer viewer) {
         this. = viewer;
         this. = asset;
         initWidgets(asset.uuid, asset.metaData.name);
         initAssetHandlers();
     }
 
     public AssetAttachmentFileWidget() {
     }
 
     protected void initWidgets(final String uuidString formName) {
          = new FormPanel();
         .setAction( GWT.getModuleBaseURL() + "asset" );
         .setEncoding( FormPanel.ENCODING_MULTIPART );
         .setMethod( FormPanel.METHOD_POST );
 
         FileUpload up = new FileUpload();
         up.setName( HTMLFileManagerFields.UPLOAD_FIELD_NAME_ATTACH );
         HorizontalPanel fields = new HorizontalPanel();
         fields.add( getHiddenField(HTMLFileManagerFields.FORM_FIELD_UUID, uuid) );
 
          = new Button(.Upload());
 
         fields.add( up );
         //fields.add(new Label("upload:"));
         fields.add(  );
 
         .add( fields );
 
          = new FormStyleLayout(getIcon(),
                                                      formName);
 
         if ( !this..isreadonly )
             .addAttribute(.UploadNewVersion(),  );
 
         Button dl = new Button(.Download());
         dl.addClickListener( new ClickListener() {
             public void onClick(Widget w) {
                 Window.open( GWT.getModuleBaseURL() + "asset?" +  HTMLFileManagerFields.FORM_FIELD_UUID + "=" + uuid,
                              "downloading""resizable=no,scrollbars=yes,status=no" );
             }
        });
        .addAttribute(.DownloadCurrentVersion(), dl );
        .addClickListener( new ClickListener() {
            public void onClick(Widget w) {
                showUploadingBusy();
                submitUpload();
            }
        });
        initWidget(  );
        .setWidth( "100%" );
        this.setStyleNamegetOverallStyleName() );
    }

    

Returns:
The path to the icon to use.
    public abstract String getIcon();

    
return the overall style name to use.
    public abstract String getOverallStyleName();
    void initAssetHandlers( ) {
        .addFormHandler( new FormHandler() {
            public void onSubmit(FormSubmitEvent ev) {
            }
            public void onSubmitComplete(FormSubmitCompleteEvent ev) {
            		LoadingPopup.close();
                    if (ev.getResults().indexOf( "OK" ) > -1) {
                    	Window.alert(.FileWasUploadedSuccessfully());
                        .refreshDataAndView();
                    } else {
                        ErrorPopup.showMessage(.UnableToUploadTheFile());
                    }
            }
        });
    }
    protected void submitUpload() {
                .submit();
    }
    protected void showUploadingBusy() {
    	LoadingPopup.showMessage(.Uploading());
    }
    private TextBox getHiddenField(String nameString value) {
        TextBox t = new TextBox();
        t.setName( name );
        t.setText( value );
        t.setVisible( false );
        return t;
    }
    public void addDescription(Widget d) {
        this..addRow( d );
    }
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