PrefixDisplayViewImpl.java

/*
 *  Copyright 2012 Axel Winkler, Daniel Dunér
 * 
 *  This file is part of Daxplore Presenter.
 *
 *  Daxplore Presenter is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 2.1 of the License, or
 *  (at your option) any later version.
 *
 *  Daxplore Presenter is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with Daxplore Presenter.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.daxplore.presenter.admin.view;

import javax.servlet.http.HttpServletResponse;

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.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.uibinder.client.UiTemplate;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Anchor;
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.Hidden;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;

public class PrefixDisplayViewImpl extends Composite implements PrefixDisplayView {
	@UiTemplate("PrefixDisplayViewImpl.ui.xml")
	interface PrefixDisplayViewPanel extends UiBinder<Widget, PrefixDisplayViewImpl> {/* Empty UiTemplate interface */}
	private static PrefixDisplayViewPanel uiBinder = GWT.create(PrefixDisplayViewPanel.class);
	
	@UiField protected Anchor prefixHeader;
	@UiField protected Anchor mainlink;
	@UiField protected Label something; //TODO add relevant statistics
	
	@UiField protected FormPanel settingsForm;
	@UiField protected Hidden settingsPrefix;
	@UiField protected TextBox gaIDField;
	@UiField protected Button settingsButton;
	
	@UiField protected FormPanel uploadForm;
	@UiField protected FileUpload uploadWidget;
	@UiField protected Hidden uploadPrefix;
	@UiField protected Button uploadButton;
	@UiField protected DialogBox uploadDialog;
	@UiField protected Label uploadDialogText;
	@UiField protected Button uploadDialogButton;
	
	@UiField protected Label deletePrefixLabel;
	@UiField protected Button deleteButton;

	public PrefixDisplayViewImpl() {
		initWidget(uiBinder.createAndBindUi(this));
		
		mainlink.setTarget("_blank");
		
		settingsForm.setAction("/admin/settings");
		settingsForm.setEncoding(FormPanel.ENCODING_URLENCODED);
		settingsForm.setMethod(FormPanel.METHOD_POST);
		
		uploadForm.setAction("/admin/upload");
		uploadForm.setEncoding(FormPanel.ENCODING_MULTIPART);
		uploadForm.setMethod(FormPanel.METHOD_POST);
		
		uploadDialog.setVisible(false);
		uploadDialog.setModal(true);
		uploadDialog.setGlassEnabled(true);
	}
	
	@UiHandler("settingsButton")
	protected void settingsClick(ClickEvent e) {
		settingsForm.submit();
	}

	@UiHandler("uploadButton")
	protected void uploadClick(ClickEvent e) {
		boolean doUpload = Window.confirm("Are you sure you want to upload a new file, replacing all old data?");
		if (doUpload) {
			uploadForm.submit();
		}
	}

	@UiHandler("uploadForm")
	protected void uploadSubmitComplete(SubmitCompleteEvent event) {
		int status = -1;
		if(event.getResults() != null) {
			status = Integer.parseInt(event.getResults());
		}
		
		if(status!=HttpServletResponse.SC_OK){
			uploadDialogText.setText("Error code given by server: " + status + ". Please try again.");
			uploadDialog.center();
		}
	}
	
	@UiHandler("uploadDialogButton")
	protected void onClick(ClickEvent event) {
		uploadDialog.hide();
	}
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	public void setPrefix(String prefix) {
		prefixHeader.setText(prefix);
		deletePrefixLabel.setText("Delete prefix " + prefix + ":");
		deleteButton.setText("Delete " + prefix);
		uploadPrefix.setValue(prefix);
		settingsPrefix.setValue(prefix);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void setPrefixHref(String href) {
		prefixHeader.setHref(href);
		mainlink.setText(href);
		mainlink.setHref(href);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void setStatDataItemCount(String something) {
		this.something.setText(something);
	}
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	public void addDeletePrefixClickHandler(ClickHandler handler) {
		deleteButton.addClickHandler(handler);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean promptDeleteConfirmation(String prefix) {
		return Window.confirm("Are you sure you want to delete the prefix '"
				+ prefix + "'.\n\nThis will also remove all data and information that belongs to it.");
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void setGoogleAnalyticsID(String gaID) {
		gaIDField.setText(gaID);
	}
}