GpsGate Server JavaScript API

/**
 * <span>
 * Copyright Franson Technology AB, Sweden, 2009
 * </span>
 * <a href="http://gpsgate.com/">http://gpsgate.com</a>, <a href="http://franson.com/">http://franson.com</a>
 * <span>
 * author Fredrik Blomqvist
 * </span>
 *
 * @module Map
 *
 */

var Franson = Franson || {};
/**
 * namespace
 * @class Franson.Map
 * @static
 */
Franson.Map = Franson.Map || {};


/**
 * similar to standard marker but with blinking (uses Shape.getAlarmIcon)
 * @class Franson.Map.AlarmMarker
 * @extends Franson.Map.IOverlay
 * @constructor
 * @param {LatLng} pos
 * @param {literal} [options]
 */
Franson.Map.AlarmMarker = function(pos, options)
{
	this._options = MochiKit.Base.setdefault(options, {
		hide: false,
		blinkInterval: 700,
		title: null
	});

	this._icon = null;
	this._layer = null;
 	this._latlng = pos;
	this._clickHandler = null;
	this._blinkHandler = null;
	this._hidden = this._options.hide;
	this._boundsHidden = false;
};


// methods
Franson.Map.AlarmMarker.prototype =
{
	/**
	 * @method initialize
	 * @param {Franson.Map.Layer} layer
	 * @protected
	 */
	initialize: function(layer) // similar to GMap::initialize(map)
	{
		this._layer = layer;
		this._icon = Franson.Graphics.Shape.createAlarmIcon(null, null, this._layer.getRoot());

		// add blinking
		this._blinkHandler = setInterval(
			method(this, function()
			{
				// does Not use this.hide/show to not affect the true hide/show state
				if (!this.isHidden() && !this._boundsHidden)
				{
					if (Franson.Graphics.isHidden(this._icon))
						Franson.Graphics.show(this._icon);
					else
						Franson.Graphics.hide(this._icon);
				}
			}),
			this._options.blinkInterval
		);

		if (this._options.title !== null)
			Franson.Graphics.setTitle(this._icon, this._options.title);

		this._clickHandler = this._icon.connect('onclick', this, function(e)
		{
			this._icon.moveToFront();
			signal(this, 'onclick', this._latlng);
		});

		Franson.Graphics.setCursor(this._icon, Franson.Util.isIE() ? 'hand' : 'pointer'); // todo: do this stuff with CSS?

		if (this._options.hide)
			this.hide();

		//this._layer.getRoot().add(this._icon);
	},

	getIcon: function()
	{
		return this._icon;
	},

	/**
	 * destructor
	 */
	destroy: function()
	{
		this.remove();
		disconnectAll(this);
		this._icon = null;
		this._layer = null;
	},

	/**
	 * @method remove
	 * @protected
	 */
	remove: function()
	{
		if (this._blinkHandler)
		{
			clearInterval(this._blinkHandler);
			this._blinkHandler = null;
		}

		if (this._icon)
		{
			if (this._clickHandler != null)
			{
				this._icon.disconnect(this._clickHandler);
				this._clickHandler = null;
			}

			this._icon.removeShape();
			signal(this, 'onremove');
		}
	},

	/**
	 * @method setLatLng
	 * @param {LatLng} latlng
	 */
	setLatLng: function(latlng)
	{
		this._latlng = latlng;

		if (this._layer !== null)
			this.redraw(true);
	},

	/**
	 * @method isHidden
	 * @return {boolean}
	 */
	isHidden: function()
	{
		return this._hidden;
	},

	/**
	 * @method show
	 */
	show: function()
	{
		Franson.Graphics.show(this._icon);
		this._hidden = false;
		signal(this, 'onvisibilitychanged', true);
	},

	/**
	 * @method hide
	 */
	hide: function()
	{
		Franson.Graphics.hide(this._icon);
		this._hidden = true;
		signal(this, 'onvisibilitychanged', false);
	},

	/**
	 * @method redraw
	 * @param {boolean} [force=false]
	 * @protected
	 */
	redraw: function(force)
	{
		if (force && !this._hidden)
		{
			if (this._layer.getSurface()._getCullBounds().containsLatLng(this._latlng)) // todo: better culling
			{
				var pos = this._layer.getProjection().fromLatLngToDivPixel(this._latlng);
				Franson.Graphics.setPosition(this._icon, pos);
				this._boundsHidden = false;
				Franson.Graphics.show(this._icon);
			}
			else
			{
				this._boundsHidden = true;
				Franson.Graphics.hide(this._icon);
			}
		}
	}
}; // Franson.Map.AlarmMarker.prototype


/**
 * @event onclick
 * @param {LatLng} latlng
 */

/**
 * fired in remove()
 * @event onremove
 */

/**
 * fired in hide() and show()
 * @event onvisibilitychanged
 * @param {boolean} visible
 */

/**
 * @event onclick
 * @param {LatLng} latlng
 */