/*
 * Copyright 2007 Google 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 com.mlhc.imaging.client;

import java.util.Arrays;
import java.util.Iterator;
import java.util.List;

import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.widgetideas.table.client.ClientTableModel;
import com.google.gwt.widgetideas.table.client.TableModel;
import com.mlhc.imaging.client.component.ExpertStoredImage;

/**
 * A class to retrieve row data to be used in a table.
 */
public class ESITableModel extends ClientTableModel {
	/**
	 * The row data.
	 */
	private List esiEntries;

	/**
	 * 
	 * Constructor.
	 * 
	 * @param rows
	 *            the data that this model feeds from
	 */
	public ESITableModel(List esiEntries) {
		this.esiEntries = esiEntries;
	}

	/**
	 * @see ClientTableModel
	 */
	public Object getCell(int rowNum, int cellNum) {
		GWT.log("table model received request for " + "rowNum=" + rowNum + " cellNum=" + cellNum, null);
		// Get the row List
		ExpertStoredImage esi = getESI(rowNum);
		if (esi == null) {
			GWT.log("omg found null esi!", null);
			return null;
		}
		
		if (cellNum >= 5) {
			return null;
		}
		
		if (cellNum == 0) {
//			return esi.getSelected().toString();
			return "test";
		} else if (cellNum == 1) {
//			String[] sa = esi.getType().split("\\\\n");
//			String stuff = "";
//			for (Iterator i = Arrays.asList(sa).iterator(); i.hasNext();) {
//				stuff = stuff + "<div>" + i.next() + "</div>";
//			}
//			return new HTML(stuff);
			return "test";
		} else if (cellNum == 2) {
			return esi.getRemarks();
		} else if (cellNum == 3) {
			return esi.getDateTime();
		} else if (cellNum == 4) {
			return esi.getViewURL();
		} else if (cellNum == 5) {
			return esi.getWebView().toString();
		} else {
			return null;
		}
	}

	/**
	 * @see TableModel
	 */
	public void onRowInserted(int beforeRow) {
		
		if (beforeRow <= esiEntries.size()) {
			// Insert new row
			esiEntries.add(beforeRow, null);
		} else {
			// Expand to fit row
			for (int i = esiEntries.size(); i <= beforeRow; i++) {
				esiEntries.add(null);
			}
		}
	}

	/**
	 * @see TableModel
	 */
	public void onRowRemoved(int row) {
		if (row < esiEntries.size()) {
			esiEntries.remove(row);
		}
	}

	/**
	 * @see TableModel
	 */
	public void onSetData(int row, int cell, Object data) {
		// Get the row list
		ExpertStoredImage esi = getESI(row);
		if (esi == null) {
			// Expand to fit row
			for (int i = esiEntries.size(); i <= row; i++) {
				esiEntries.add(null);
			}

			// Create the rowList
			esi = new ExpertStoredImage();
			esiEntries.set(row, esi);
		}

//		// Enlarge the row as needed
//		for (int i = 6; i <= cell; i++) {
//			rowList.add(null);
//		}
		
		if (cell == 0) {
			String bool = (String) data;
			if ((bool.equals("true"))) {
				esi.setSelected(new Boolean(true));
			} else {
				esi.setSelected(new Boolean(false));
			}
		} else if (cell == 1) {
			esi.setType((String) data);
		} else if (cell == 2) {
			esi.setRemarks((String) data);
		} else if (cell == 3) {
			esi.setDateTime((String) data);
		} else if (cell == 4) {
			esi.setViewURL((String) data);
		} else if (cell == 5) {
			String bool = (String) data;
			if ((bool.equals("true"))) {
				esi.setWebView(new Boolean(true));
			} else {
				esi.setWebView(new Boolean(false));
			}
		}
	}

	/**
	 * Get the list for a given row.
	 * 
	 * @param rowIndex
	 *            the row index
	 */
	private ExpertStoredImage getESI(int rowIndex) {
		if (rowIndex >= esiEntries.size()) {
			return null;
		}
		ExpertStoredImage esi = (ExpertStoredImage) esiEntries.get(rowIndex);
//		GWT.log("path: " + esi.getPath(), null);
		return esi;
	}
}