/******************************************************************************
 * Copyright (C) 2008 Elaine Tan                                              *
 * Copyright (C) 2008 Idalica Corporation
 * This program is free software; you can redistribute it and/or modify it    *
 * under the terms version 2 of the GNU General Public License as published   *
 * by the Free Software Foundation. This program 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 General Public License for more details.                       *
 * You should have received a copy of the GNU General Public License along    *
 * with this program; if not, write to the Free Software Foundation, Inc.,    *
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.                     *
 *****************************************************************************/
package org.adempiere.webui.dashboard;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import org.adempiere.webui.LayoutUtils;
import org.adempiere.webui.apps.AEnv;
import org.adempiere.webui.component.ToolBarButton;
import org.adempiere.webui.component.Window;
import org.adempiere.webui.session.SessionManager;
import org.adempiere.webui.theme.ThemeManager;
import org.adempiere.webui.window.InfoSchedule;
import org.compiere.model.MAttachment;
import org.compiere.model.MInfoWindow;
import org.compiere.model.MRole;
import org.compiere.model.MSysConfig;
import org.compiere.model.MUserDefInfo;
import org.compiere.model.Query;
import org.compiere.util.Env;
import org.compiere.util.Msg;
import org.compiere.util.Util;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Box;
import org.zkoss.zul.Vbox;

/**
 * Dashboard gadget: List of Info views
 * @author Elaine
 * @date November 20, 2008
 */
public class DPViews extends DashboardPanel implements EventListener<Event> {
	/**
	 * generated serial id
	 */
	private static final long serialVersionUID = 8375414665766937581L;

	/**
	 * Default constructor
	 */
	public DPViews()
	{
		super();
		setSclass("views-box");
		this.appendChild(createViewPanel());
	}

	/**
	 * Layout panel
	 * @return {@link Box}
	 */
	private Box createViewPanel()
	{
		Vbox vbox = new Vbox();

		if (MSysConfig.getBooleanValue(MSysConfig.DPViews_ShowInfoAccount, true, Env.getAD_Client_ID(Env.getCtx()))
				&& MRole.getDefault().isShowAcct() && MRole.getDefault().isAllow_Info_Account())
		{
			ToolBarButton btnViewItem = new ToolBarButton("InfoAccount");
			btnViewItem.setSclass("link");
			btnViewItem.setLabel(Util.cleanAmp(Msg.getMsg(Env.getCtx(), "InfoAccount")));
			if (ThemeManager.isUseFontIconForImage())
				btnViewItem.setIconSclass("z-icon-InfoAccount");
			else
				btnViewItem.setImage(ThemeManager.getThemeResource("images/InfoAccount16.png"));
			btnViewItem.addEventListener(Events.ON_CLICK, this);
			vbox.appendChild(btnViewItem);
			if (ThemeManager.isUseFontIconForImage())
				LayoutUtils.addSclass("medium-toolbarbutton toolbarbutton-with-text", btnViewItem);
		}
		if (MSysConfig.getBooleanValue(MSysConfig.DPViews_ShowInfoSchedule, true, Env.getAD_Client_ID(Env.getCtx()))
				&& MRole.getDefault().isAllow_Info_Schedule())
		{
			ToolBarButton btnViewItem = new ToolBarButton("InfoSchedule");
			btnViewItem.setSclass("link");
			btnViewItem.setLabel(Util.cleanAmp(Msg.getMsg(Env.getCtx(), "InfoSchedule")));
			if (ThemeManager.isUseFontIconForImage())
				btnViewItem.setIconSclass("z-icon-InfoSchedule");
			else
				btnViewItem.setImage(ThemeManager.getThemeResource("images/InfoSchedule16.png"));
			btnViewItem.addEventListener(Events.ON_CLICK, this);
			vbox.appendChild(btnViewItem);
			if (ThemeManager.isUseFontIconForImage())
				LayoutUtils.addSclass("medium-toolbarbutton toolbarbutton-with-text", btnViewItem);
		}

		List<MInfoWindow> listAll = new Query(Env.getCtx(), MInfoWindow.Table_Name, "IsValid='Y'", null)
				.setOnlyActiveRecords(true)
				.list();

		MInfoWindow[] infosAll = listAll.toArray(new MInfoWindow[listAll.size()]);

		List<ListInfoWindow> selectedInfoWindows = new ArrayList<ListInfoWindow>();

		for (int i = 0; i < infosAll.length; i++) 
		{
			MInfoWindow info = infosAll[i];
			if (MInfoWindow.get(info.getAD_InfoWindow_ID(), null) != null)
			{
				MUserDefInfo userDef = MUserDefInfo.getBestMatch(Env.getCtx(), info.getAD_InfoWindow_ID());

				if (userDef != null) {

					if ((info.isShowInDashboard() && Util.isEmpty(userDef.getIsShowInDashboard())) || (!Util.isEmpty(userDef.getIsShowInDashboard()) && userDef.getIsShowInDashboard().equals(MUserDefInfo.ISSHOWINDASHBOARD_Yes))) {
						int seqNo = userDef.getSeqNo() > 0 ? userDef.getSeqNo() : info.getSeqNo();
						selectedInfoWindows.add(new ListInfoWindow(info, seqNo));
					}
				}
				else if (info.isShowInDashboard())
					selectedInfoWindows.add(new ListInfoWindow(info, info.getSeqNo()));
			}
		}

		Collections.sort(selectedInfoWindows, new SeqNoComparator());

		for (ListInfoWindow so : selectedInfoWindows) {
			MInfoWindow info = so.getInfoWindow();
			if (MInfoWindow.get(info.getAD_InfoWindow_ID(), null) != null)
			{
				// Load User Def
				String name = info.get_Translation("Name");
				String image = (Util.isEmpty(info.getImageURL()) ? "Info16.png" : info.getImageURL());

				MUserDefInfo userDef = MUserDefInfo.getBestMatch(Env.getCtx(), info.getAD_InfoWindow_ID());
				if(userDef != null) {

					if (!Util.isEmpty(userDef.getName()))
						name = userDef.getName();
					if (!Util.isEmpty(userDef.getImageURL()))
						image = userDef.getImageURL();
				} 

				ToolBarButton btnViewItem = new ToolBarButton(info.getName());
				btnViewItem.setSclass("link");
				btnViewItem.setLabel(name);

				if (MAttachment.isAttachmentURLPath(image))
				{
					btnViewItem.setImage(MAttachment.getImageAttachmentURLFromPath(null, image));
				}
				else if (image.indexOf("://") > 0)
				{
					btnViewItem.setImage(image);
				}
				else if (ThemeManager.isUseFontIconForImage()) 
				{
					if (image.endsWith("16.png"))
						image = image.replace("16.png", "");
					else if (image.endsWith("24.png"))
						image = image.replace("24.png", "");					
					else if (image.endsWith(".png"))
						image = image.replace(".png", "");
					btnViewItem.setIconSclass("z-icon-"+image);
				}
				else
				{
					btnViewItem.setImage(ThemeManager.getThemeResource("images/" + image));
				}
				btnViewItem.addEventListener(Events.ON_CLICK, this);
				vbox.appendChild(btnViewItem);
				if (ThemeManager.isUseFontIconForImage())
					LayoutUtils.addSclass("medium-toolbarbutton toolbarbutton-with-text", btnViewItem);
			}
		}

		return vbox;
	}

	@Override
	public void onEvent(Event event)
	{
		Component comp = event.getTarget();
		String eventName = event.getName();

		if(eventName.equals(Events.ON_CLICK))
		{
			if(comp instanceof ToolBarButton)
			{
				ToolBarButton btn = (ToolBarButton) comp;
				String actionCommand = btn.getName();

				if (actionCommand.equals("InfoAccount"))
				{
					new org.adempiere.webui.acct.WAcctViewer();
				}
				else if (actionCommand.equals("InfoSchedule"))
				{
					InfoSchedule is = new InfoSchedule(null, false);
					is.setAttribute(Window.MODE_KEY, Mode.EMBEDDED);
					AEnv.showWindow(is);
				}
				else
				{
					int infoWindowID = new Query(Env.getCtx(), MInfoWindow.Table_Name, "Name = ?", null)
					.setParameters(actionCommand)
					.setOnlyActiveRecords(true)
					.firstIdOnly();

					if (infoWindowID<=0)
						return;
					
					SessionManager.getAppDesktop().openInfo(infoWindowID);
				}
			}
		}
	}

	/**
	 * Info Window to be displayed in the panel
	 * @author nmicoud
	 */ 
	private class ListInfoWindow {

		MInfoWindow iw = null;
		int seqNo = 0;

		/**
		 * @param infoWindow
		 * @param seqNo
		 */
		public ListInfoWindow(MInfoWindow infoWindow, int seqNo) {
			iw = infoWindow;
			this.seqNo = seqNo;
		}

		/**
		 * @return Sequence Number
		 */
		public int getSeqNo() {
			return seqNo;
		}

		/**
		 * @return MInfoWindow
		 */
		public MInfoWindow getInfoWindow() {
			return iw;
		}
	}

	/**
	 * @author nmicoud
	 * IDEMPIERE-4946 Implement InfoWindow SeqNo customization
	 */
	public static class SeqNoComparator implements Comparator<ListInfoWindow> {
		@Override
		public int compare(ListInfoWindow iw1, ListInfoWindow iw2) {
			return (Integer.valueOf(iw1.getSeqNo())).compareTo(Integer.valueOf(iw2.getSeqNo()));
		}
	}
}