org.kie.guvnor.m2repo.client.editor.AttachmentFileWidget.java Source code

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Here is the source code for org.kie.guvnor.m2repo.client.editor.AttachmentFileWidget.java

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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.kie.guvnor.m2repo.client.editor;

import org.kie.guvnor.m2repo.model.HTMLFileManagerFields;
import org.uberfire.client.common.LoadingPopup;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.*;
import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteEvent;
import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteHandler;

/**
 * This wraps a file uploader utility
 */

public class AttachmentFileWidget extends Composite {

    private FormPanel form;

    public AttachmentFileWidget() {
        initWidgets();
        initSubmitCompleteHandler();
    }

    protected void initWidgets() {
        form = new FormPanel();
        form.setAction(GWT.getModuleBaseURL() + "file");
        form.setEncoding(FormPanel.ENCODING_MULTIPART);
        form.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_PATH, "uuid"));

        Button ok = new Button("upload");
        ok.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                showUploadingBusy();
                submitUpload();
            }
        });

        fields.add(up);
        fields.add(ok);

        /*        Button dl = new Button( "Download" );
                //dl.setEnabled( this.asset.getVersionNumber() > 0 );
                dl.addClickHandler( new ClickHandler() {
        public void onClick(ClickEvent event) {
            Window.open( GWT.getModuleBaseURL() + "file?" + HTMLFileManagerFields.FORM_FIELD_UUID + "=" + "uuid",
                         "downloading",
                         "resizable=no,scrollbars=yes,status=no" );
        }
                } );
        */
        form.add(fields);

        initWidget(form);
    }

    void initSubmitCompleteHandler() {
        form.addSubmitCompleteHandler(new SubmitCompleteHandler() {

            public void onSubmitComplete(SubmitCompleteEvent event) {
                //LoadingPopup.close();
                /*
                                if ( asset.getFormat().equals( AssetFormats.MODEL ) ) {
                eventBus.fireEvent( new RefreshModuleEditorEvent( asset.getUuid() ) );
                                }
                    
                                if ( event.getResults().indexOf( "OK" ) > -1 ) {
                //Raise an Event to show an information message
                eventBus.fireEvent( new ShowMessageEvent( ConstantsCore.INSTANCE.FileWasUploadedSuccessfully(),
                                                          MessageType.INFO ) );
                    
                //Reload asset as the upload operation commits the asset's content. If we don't 
                //reload the asset we receive a optimistic lock error appearing as "Unable to save 
                //this asset, as it has been recently updated" message to users
                eventBus.fireEvent( new RefreshAssetEditorEvent(asset.getMetaData().getModuleName(),  asset.getUuid() ) );
                                } else {
                ErrorPopup.showMessage( ConstantsCore.INSTANCE.UnableToUploadTheFile() );
                                }*/
            }

        });
    }

    protected void submitUpload() {
        form.submit();
    }

    protected void showUploadingBusy() {
        //LoadingPopup.showMessage( "Uploading..." );
    }

    private TextBox getHiddenField(String name, String value) {
        TextBox t = new TextBox();
        t.setName(name);
        t.setText(value);
        t.setVisible(false);
        return t;
    }
    /*
        public void addSupplementaryWidget(Widget d) {
    this.layout.addRow( d );
        }*/

}