nz.org.winters.appspot.acrareporter.client.ui.MappingUpload.java Source code

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Here is the source code for nz.org.winters.appspot.acrareporter.client.ui.MappingUpload.java

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package nz.org.winters.appspot.acrareporter.client.ui;

/*
 * Copyright 2013 Mathew Winters
    
 * 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 nz.org.winters.appspot.acrareporter.shared.LoginInfo;
import nz.org.winters.appspot.acrareporter.shared.Utils;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.FileUpload;
import com.google.gwt.user.client.ui.FormPanel;
import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteEvent;
import com.google.gwt.user.client.ui.FormPanel.SubmitEvent;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.client.ui.VerticalPanel;

public class MappingUpload extends Composite {
    public interface DialogCallback {
        public void result(boolean ok);
    }

    private static UIConstants constants = (UIConstants) GWT.create(UIConstants.class);
    private static MappingUploadUiBinder uiBinder = GWT.create(MappingUploadUiBinder.class);
    @UiField(provided = true)
    FormPanel form;
    @UiField(provided = true)
    TextBox textVersion;
    @UiField(provided = true)
    TextBox textPackage;

    TextBox textId;
    @UiField(provided = true)
    FileUpload fileUpload;
    @UiField
    Button buttonOK;
    @UiField
    Button buttonCancel;
    @UiField(provided = true)
    VerticalPanel vertPanel;
    private DialogCallback callback;

    interface MappingUploadUiBinder extends UiBinder<Widget, MappingUpload> {
    }

    public MappingUpload(final LoginInfo loginInfo, String packageName, final DialogCallback callback) {
        this.callback = callback;

        form = new FormPanel();
        textPackage = new TextBox();
        textVersion = new TextBox();
        fileUpload = new FileUpload();
        vertPanel = new VerticalPanel();

        initWidget(uiBinder.createAndBindUi(this));

        textPackage.setText(packageName);

        form.setAction("/mappingupload");
        form.setEncoding(FormPanel.ENCODING_MULTIPART);
        form.setMethod(FormPanel.METHOD_POST);

        textId = new TextBox();
        textId.setVisible(false);
        textId.setName("id");
        vertPanel.add(textId);

        // Add an event handler to the form.
        form.addSubmitHandler(new FormPanel.SubmitHandler() {
            public void onSubmit(SubmitEvent event) {
                // This event is fired just before the form is submitted. We can take
                // this opportunity to perform validation.
                String fileName = fileUpload.getFilename();
                if (Utils.isEmpty(fileName)) {
                    Window.alert(constants.mappingUploadAlertNofile());
                    event.cancel();
                    return;
                }
                if (textVersion.getText().length() == 0) {
                    Window.alert(constants.mappingUploadAlertNoVersion());
                    event.cancel();
                }
                textId.setValue(Long.toString(loginInfo.getAppUserShared().id));
                AppLoadingView.getInstance().start();

            }
        });
        form.addSubmitCompleteHandler(new FormPanel.SubmitCompleteHandler() {
            public void onSubmitComplete(SubmitCompleteEvent event) {
                AppLoadingView.getInstance().stop();
                String result = event.getResults();

                int pos = result.indexOf(";\">");
                if (pos >= 0) {
                    result = result.substring(pos + 3, result.indexOf("</pre") - 1).trim();
                }

                if (Utils.isEmpty(result) || !result.equalsIgnoreCase("OK")) {
                    Window.alert(constants.mappingUploadAlertResponse(result));
                } else
                    callback.result(true);
            }
        });

    }

    @UiHandler("buttonOK")
    void onButtonOKClick(ClickEvent event) {
        String fileName = fileUpload.getFilename();
        if (Utils.isEmpty(fileName)) {
            // The button isn't active unless we have a file to import
            return;
        }
        if (textVersion.getText().length() == 0) {
            Window.alert(constants.mappingUploadAlertNoVersion());
            return;
        }

        form.submit();
        // callback.result(true, null);
    }

    @UiHandler("buttonCancel")
    void onButtonCancelClick(ClickEvent event) {
        callback.result(false);
    }

    public static void doEditDialog(LoginInfo loginInfo, String packageName, final DialogCallback callback) {

        final DialogBox dialogBox = new DialogBox();
        dialogBox.setText(constants.mappingUploadLabelTitle(packageName));

        // Create a table to layout the content
        MappingUpload pet = new MappingUpload(loginInfo, packageName, new MappingUpload.DialogCallback() {

            @Override
            public void result(boolean ok) {
                dialogBox.hide();
                callback.result(ok);
            }
        });

        pet.setWidth("100%");
        dialogBox.setWidget(pet);
        dialogBox.center();
        dialogBox.show();

    }

}