org.wte4j.ui.client.templates.upload.TemplateUploadFormPanel.java Source code

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Here is the source code for org.wte4j.ui.client.templates.upload.TemplateUploadFormPanel.java

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/**
 * Copyright (C) 2015 Born Informatik AG (www.born.ch)
 *
 * 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.wte4j.ui.client.templates.upload;

import org.wte4j.ui.shared.TemplateDto;
import static org.wte4j.ui.client.Application.LABELS;

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.ui.Button;
import com.google.gwt.user.client.ui.Composite;
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.Hidden;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.SubmitButton;
import com.google.gwt.user.client.ui.Widget;

public class TemplateUploadFormPanel extends Composite implements TemplateUploadDisplay {

    @UiField
    FormPanel formPanel;

    @UiField
    Label formTitle;

    @UiField
    SubmitButton submitButton;

    @UiField
    Button cancelButton;

    @UiField
    FileUpload fileUpload;

    @UiField
    Hidden templateName;

    @UiField
    Hidden templateLanguage;

    private static TemplateUploadFormPanelUiBInder uiBinder = GWT.create(TemplateUploadFormPanelUiBInder.class);

    private TemplateUploadPresenter templateUploadPresenter;
    private TemplateDto currentTemplate;
    private String templateUploadRestURL;

    public TemplateUploadFormPanel() {
        initWidget(uiBinder.createAndBindUi(this));
        initButtons();
    }

    @Override
    public void setPresenter(TemplateUploadPresenter templateUploadPresenter) {
        this.templateUploadPresenter = templateUploadPresenter;
    }

    @Override
    public void setData(TemplateDto currentTemplate, String templateUploadRestURL) {
        this.currentTemplate = currentTemplate;
        this.templateUploadRestURL = templateUploadRestURL;
        dataChanged();
    }

    @UiHandler("submitButton")
    void onSubmitButtonClicked(ClickEvent clickEvent) {
        if (templateUploadPresenter != null)
            templateUploadPresenter.onSubmitButtonClick(clickEvent);
    }

    @UiHandler("cancelButton")
    void onCancelButtonClicked(ClickEvent clickEvent) {
        if (templateUploadPresenter != null)
            templateUploadPresenter.onCancelButtonClick(clickEvent);
    }

    @UiHandler("formPanel")
    void onSubmitComplete(SubmitCompleteEvent submitCompleteEvent) {
        if (templateUploadPresenter != null)
            templateUploadPresenter.onSubmitComplete(submitCompleteEvent);
    }

    private void initButtons() {
        submitButton.setText(LABELS.submit());
        cancelButton.setText(LABELS.cancel());
    }

    private void dataChanged() {
        setMetaData();
        setVisibleContent();
        setHiddenContent();
    }

    private void setMetaData() {
        formPanel.setAction(templateUploadRestURL);
        formPanel.setEncoding(FormPanel.ENCODING_MULTIPART);
        formPanel.setMethod(FormPanel.METHOD_POST);
    }

    private void setVisibleContent() {
        setFormTitle();
        setFileUploadInput();
    }

    private void setHiddenContent() {
        setNameTextBox();
        setLanguageTextBox();
    }

    private void setFormTitle() {
        formTitle.setText(LABELS.updateTemplate());
    }

    private void setFileUploadInput() {
        fileUpload.setName("file");
    }

    private void setNameTextBox() {
        templateName.setName("name");
        templateName.setValue(currentTemplate.getDocumentName());
    }

    private void setLanguageTextBox() {
        templateLanguage.setName("language");
        templateLanguage.setValue(currentTemplate.getLanguage());
    }

    interface TemplateUploadFormPanelUiBInder extends UiBinder<Widget, TemplateUploadFormPanel> {
    }
}