/*
* MapGui.js
*
* Copyright (c) 2012, Stefan Jänicke. All rights reserved.
*
* This library 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 3 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301  USA
*/

/**
 * @class MapGui
 * Map GUI Implementation
 * @author Stefan Jänicke (stjaenicke@informatik.uni-leipzig.de)
 * @release 1.0
 * @release date: 2012-07-27
 * @version date: 2012-07-27
 *
 * @param {MapWidget} parent map widget object
 * @param {HTML object} div parent div to append the map gui
 * @param {JSON} options map configuration
 */
function MapGui(map, div, options, iid) {

	this.map = map;

	this.container = div;
	if (options.mapWidth) {
		this.container.style.width = options.mapWidth;
	}
	if (options.mapHeight) {
		this.container.style.height = options.mapHeight;
	}
	this.container.style.position = 'relative';

	this.mapWindow = document.createElement("div");
	this.mapWindow.setAttribute('class', 'mapWindow');
	this.mapWindow.id = "mapWindow"+iid;
	this.mapWindow.style.background = options.mapBackground;
	this.container.appendChild(this.mapWindow);

	this.mapContainer = document.createElement("div");
	this.mapContainer.setAttribute('class', 'mapContainer');
	this.mapContainer.id = "mapContainer"+iid;
	this.mapContainer.style.position = "absolute";
	this.mapContainer.style.zIndex = 0;
	this.mapWindow.appendChild(this.mapContainer);

	var toolbarTable = document.createElement("table");
	toolbarTable.setAttribute('class', 'absoluteToolbar ddbToolbar');
	this.container.appendChild(toolbarTable);
	this.mapToolbar = toolbarTable;

	var titles = document.createElement("tr");
	toolbarTable.appendChild(titles);
	var tools = document.createElement("tr");
	toolbarTable.appendChild(tools);

	if (options.mapSelection) {
		this.mapTypeTitle = document.createElement("td");
		titles.appendChild(this.mapTypeTitle);
		this.mapTypeTitle.innerHTML = GeoTemConfig.getString('mapType');
		this.mapTypeSelector = document.createElement("td");
		tools.appendChild(this.mapTypeSelector);
	}

	if (options.mapSelectionTools) {
		this.mapSelectorTitle = document.createElement("td");
		titles.appendChild(this.mapSelectorTitle);
		this.mapSelectorTitle.innerHTML = GeoTemConfig.getString('mapSelectorTools');
		var mapSelectorTools = document.createElement("td");
		var selectorTools = this.map.initSelectorTools();
		for (var i in selectorTools ) {
			mapSelectorTools.appendChild(selectorTools[i].button);
		}
		tools.appendChild(mapSelectorTools);
	}

	if (options.binningSelection) {
		this.binningTitle = document.createElement("td");
		titles.appendChild(this.binningTitle);
		this.binningTitle.innerHTML = GeoTemConfig.getString('binningType');
		this.binningSelector = document.createElement("td");
		tools.appendChild(this.binningSelector);
	}

	if (GeoTemConfig.allowFilter) {
		this.filterTitle = document.createElement("td");
		titles.appendChild(this.filterTitle);
		this.filterTitle.innerHTML = GeoTemConfig.getString('filter');
		this.filterOptions = document.createElement("td");
		tools.appendChild(this.filterOptions);
	}

	if (options.dataInformation) {
		this.infoTitle = document.createElement("td");
		this.infoTitle.innerHTML = options.mapTitle;
		titles.appendChild(this.infoTitle);
		var mapSum = document.createElement("td");
		this.mapElements = document.createElement("div");
		this.mapElements.setAttribute('class', 'ddbElementsCount');
		mapSum.appendChild(this.mapElements);
		tools.appendChild(mapSum);
	}
	
	this.lockTitle = document.createElement("td");
	titles.appendChild(this.lockTitle);
	this.lockIcon = document.createElement("td");
	var lockButton = document.createElement("div");
	$(lockButton).addClass('mapControl');
	var activateLock = function() {
		map.navigation.deactivate();
	}
	var deactivateLock = function() {
		map.navigation.activate();
	}
	var lockMapControl = new MapControl(this.map, lockButton, 'lock', activateLock, deactivateLock);
	tools.appendChild(lockMapControl.button);


	var gui = this;
	if (navigator.geolocation && options.geoLocation) {
		this.geoActive = false;
		this.geoLocation = document.createElement("div");
		this.geoLocation.setAttribute('class', 'geoLocationOff');
		this.geoLocation.title = GeoTemConfig.getString('activateGeoLocation');
		this.container.appendChild(this.geoLocation);
		this.geoLocation.style.left = "20px";
		this.geoLocation.onclick = function() {
			var changeStyle = function() {
				if (gui.geoActive) {
					gui.geoLocation.setAttribute('class', 'geoLocationOn');
					gui.geoLocation.title = GeoTemConfig.getString(GeoTemConfig.language, 'deactivateGeoLocation');
				} else {
					gui.geoLocation.setAttribute('class', 'geoLocationOff');
					gui.geoLocation.title = GeoTemConfig.getString(GeoTemConfig.language, 'activateGeoLocation');
				}
			}
			if (!gui.geoActive) {
				if ( typeof gui.longitude == 'undefined') {
					navigator.geolocation.getCurrentPosition(function(position) {
						gui.longitude = position.coords.longitude;
						gui.latitude = position.coords.latitude;
						gui.map.setMarker(gui.longitude, gui.latitude);
						gui.geoActive = true;
						changeStyle();
					}, function(msg) {
						console.log( typeof msg == 'string' ? msg : "error");
					});
				} else {
					gui.map.setMarker(gui.longitude, gui.latitude);
					gui.geoActive = true;
					changeStyle();
				}
			} else {
				gui.map.removeMarker();
				gui.geoActive = false;
				changeStyle();
			}
		}
	}

	if (!options.olNavigation) {
		this.map.zoomSlider = new MapZoomSlider(this.map, "vertical");
		this.container.appendChild(this.map.zoomSlider.div);
		this.map.zoomSlider.div.style.left = "20px";
	}

	if (options.resetMap) {
		this.homeButton = document.createElement("div");
		this.homeButton.setAttribute('class', 'mapHome');
		this.homeButton.title = GeoTemConfig.getString('home');
		this.container.appendChild(this.homeButton);
		this.homeButton.style.left = "20px";
		this.homeButton.onclick = function() {
			if (map.mds.getAllObjects() == null){
				map.openlayersMap.setCenter(new OpenLayers.LonLat(0, 0));
				map.openlayersMap.zoomTo(0);
			}
			gui.map.drawObjectLayer(true);
		}
	}

	if (options.legend) {
		this.legendDiv = document.createElement("div");
		this.legendDiv.setAttribute('class', 'mapLegend');
		this.mapWindow.appendChild(this.legendDiv);
	}

	var linkForOsm = 'http://www.openstreetmap.org/';
	var linkForLicense = 'http://creativecommons.org/licenses/by-sa/2.0/';
	this.osmLink = document.createElement("div");
	this.osmLink.setAttribute('class', 'osmLink');
	this.osmLink.innerHTML = '(c) <a href=' + linkForOsm + '>OpenStreetMap contributors</a>, <a href=' + linkForLicense + '>CC-BY-SA</a>';
	this.mapWindow.appendChild(this.osmLink);
	this.osmMapQuestLink = document.createElement("div");
	this.osmMapQuestLink.setAttribute('class', 'osmLink');
	this.osmMapQuestLink.innerHTML = '(c) Data, imagery and map information provided by MapQuest <a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="http://developer.mapquest.com/content/osm/mq_logo.png"> <a href=' + linkForOsm + '>OpenStreetMap contributors</a>, <a href=' + linkForLicense + '>CC-BY-SA</a>';
	this.mapWindow.appendChild(this.osmMapQuestLink);

	//		var tooltip = document.createElement("div");
	//		tooltip.setAttribute('class','ddbTooltip');
	//		toolbarTable.appendChild(tooltip);

	//		var tooltip = document.createElement("div");
	//		tooltip.setAttribute('class','ddbTooltip');
	//		toolbarTable.appendChild(tooltip);
	//
	//		tooltip.onmouseover = function(){
	//			/*
	//		    Publisher.Publish('TooltipContent', {
	//						content: GeoTemConfig.getString(GeoTemConfig.language,'timeHelp'),
	//						target: $(tooltip)
	//					    });
	//			*/
	//		}
	//		tooltip.onmouseout = function(){
	//		 //   Publisher.Publish('TooltipContent');
	//		}
	//		//vhz tooltip on click should open a help file if defined in GeoTemConfig
	//		if(GeoTemConfig.helpURL) {
	//			tooltip.onclick = function () {
	//
	//			}
	//		}

	//		}
	//		tooltip.onmouseout = function(){
	//   			Publisher.Publish('TooltipContent');
	//		}

	this.resize = function() {
		var w = this.container.offsetWidth;
		var h = this.container.offsetHeight;
//		this.mapWindow.style.width = w + "px";
		this.mapWindow.style.height = h + "px";
//		this.mapContainer.style.width = w + "px";
		this.mapContainer.style.height = h + "px";
		var top = toolbarTable.offsetHeight + 20;
		if (options.olLayerSwitcher) {
			var switcherDiv = $('.olControlLayerSwitcher')[0];
			$(switcherDiv).css('top', top + "px");
		}
		if ( typeof this.geoLocation != "undefined") {
			this.geoLocation.style.top = top + "px";
			top += this.geoLocation.offsetHeight + 4;
		}
		if (options.olNavigation) {
			var panZoomBar = $('.olControlPanZoom')[0];
			$(panZoomBar).css('top', top + 'px');
			$(panZoomBar).css('left', '12px');
			var zoomOut = document.getElementById('OpenLayers.Control.PanZoom_23_zoomout');
			top += $(zoomOut).height() + $(zoomOut).position().top + 4;
		} else {
			this.map.zoomSlider.div.style.top = top + "px";
			top += this.map.zoomSlider.div.offsetHeight + 2;
		}
		if (options.resetMap) {
			this.homeButton.style.top = top + "px";
		}
		this.headerHeight = toolbarTable.offsetHeight;
		this.headerWidth = toolbarTable.offsetWidth;
		this.map.openlayersMap.updateSize();
		this.map.drawObjectLayer(true);
	};

	this.updateLegend = function(datasets){
		$(this.legendDiv).empty();
		var table = $('<table style="margin:10px"/>').appendTo(this.legendDiv);
		for( var i=0; i<datasets.length; i++ ){
			var row = $('<tr/>').appendTo(table);
			if( options.useGraphics ){
				var graphic = map.config.getGraphic(i);
				var fill = 'rgb(' + graphic.color.r0 + ',' + graphic.color.g0 + ',' + graphic.color.b0 + ')';
				var stroke = 'rgb(' + graphic.color.r1 + ',' + graphic.color.g1 + ',' + graphic.color.b1 + ')';
				var rot = graphic.rotation;
				var svg;
				if( graphic.shape == 'circle' ){
					svg = '<svg style="width:20px;height:20px;"><circle cx="10" cy="10" r="7" stroke="'+stroke+'" stroke-width="2" fill="'+fill+'"/></svg>';
				}
				else if( graphic.shape == 'square' ){
					svg = '<svg style="width:20px;height:20px;"><polygon points="4,4 16,4 16,16 4,16" style="fill:'+fill+';stroke:'+stroke+';stroke-width:2" transform="rotate('+rot+' 10,10)"/></svg>';
				}
				else if( graphic.shape == 'triangle' ){
					svg = '<svg style="width:20px;height:20px;"><polygon points="3,17 17,17 10,5" style="fill:'+fill+';stroke:'+stroke+';stroke-width:2" transform="rotate('+rot+' 10,10)"/></svg>';
				}
				$('<td>'+svg+'</td>').appendTo(row);
			}
			else {
				var c = GeoTemConfig.getColor(i);
				var fill = 'rgb(' + c.r0 + ',' + c.g0 + ',' + c.b0 + ')';
				var stroke = 'rgb(' + c.r1 + ',' + c.g1 + ',' + c.b1 + ')';
				var svg = '<svg style="width:20px;height:20px;"><circle cx="10" cy="10" r="7" stroke="'+stroke+'" stroke-width="2" fill="'+fill+'"/></svg>';
				$('<td>'+svg+'</td>').appendTo(row);
			}			
			$('<td>'+datasets[i].label+'</td>').appendTo(row);
		}
	};

	this.updateSpaceQuantity = function(count) {
		if (!options.dataInformation) {
			return;
		}
		this.mapCount = count;
		if (count != 1) {
			this.mapElements.innerHTML = this.beautifyCount(count) + " " + GeoTemConfig.getString('results');
		} else {
			this.mapElements.innerHTML = this.beautifyCount(count) + " " + GeoTemConfig.getString('result');
		}
	}

	this.setMapsDropdown = function() {
		if (!options.mapSelection) {
			return;
		}
		$(this.mapTypeSelector).empty();
		var maps = [];
		var gui = this;
		var addMap = function(name, index) {
			var setMap = function() {
				gui.map.setMap(index);
			}
			maps.push({
				name : name,
				onclick : setMap
			});
		}
		for (var i = 0; i < this.map.baseLayers.length; i++) {
			addMap(this.map.baseLayers[i].name, i);
		}
		this.mapTypeDropdown = new Dropdown(this.mapTypeSelector, maps, GeoTemConfig.getString('selectMapType'));
	}

	this.setMap = function() {
		if (options.mapSelection) {
			this.mapTypeDropdown.setEntry(this.map.baselayerIndex);
		}
	}

	this.setBinningDropdown = function() {
		if (!options.binningSelection) {
			return;
		}
		$(this.binningSelector).empty();
		var binnings = [];
		var gui = this;
		var index = 0;
		var entry;
		var addBinning = function(name, id) {
			if (options.binning == id) {
				entry = index;
			} else {
				index++;
			}
			var setBinning = function() {
				options.binning = id;
				gui.map.initWidget(gui.map.datasets, false);
				gui.map.riseLayer();
			}
			binnings.push({
				name : name,
				onclick : setBinning
			});
		}
		addBinning(GeoTemConfig.getString('genericBinning'), 'generic');
		addBinning(GeoTemConfig.getString('squareBinning'), 'square');
		addBinning(GeoTemConfig.getString('hexagonalBinning'), 'hexagonal');
		addBinning(GeoTemConfig.getString('triangularBinning'), 'triangular');
		addBinning(GeoTemConfig.getString('noBinning'), false);
		var binningDropdown = new Dropdown(this.binningSelector, binnings, GeoTemConfig.getString('binningTooltip'));
		binningDropdown.setEntry(entry);
	}
	this.setBinningDropdown();

	this.beautifyCount = function(count) {
		var c = count + '';
		var p = 0;
		var l = c.length;
		while (l - p > 3) {
			p += 3;
			c = c.substring(0, l - p) + "." + c.substring(l - p);
			p++;
			l++;
		}
		return c;
	}

};