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Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Handler/Hover.js')
-rw-r--r-- | misc/openlayers/lib/OpenLayers/Handler/Hover.js | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Handler/Hover.js b/misc/openlayers/lib/OpenLayers/Handler/Hover.js deleted file mode 100644 index 18b81f4..0000000 --- a/misc/openlayers/lib/OpenLayers/Handler/Hover.js +++ /dev/null @@ -1,180 +0,0 @@ -/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for - * full list of contributors). Published under the 2-clause BSD license. - * See license.txt in the OpenLayers distribution or repository for the - * full text of the license. */ - -/** - * @requires OpenLayers/Handler.js - */ - -/** - * Class: OpenLayers.Handler.Hover - * The hover handler is to be used to emulate mouseovers on objects - * on the map that aren't DOM elements. For example one can use - * this handler to send WMS/GetFeatureInfo requests as the user - * moves the mouve over the map. - * - * Inherits from: - * - <OpenLayers.Handler> - */ -OpenLayers.Handler.Hover = OpenLayers.Class(OpenLayers.Handler, { - - /** - * APIProperty: delay - * {Integer} - Number of milliseconds between mousemoves before - * the event is considered a hover. Default is 500. - */ - delay: 500, - - /** - * APIProperty: pixelTolerance - * {Integer} - Maximum number of pixels between mousemoves for - * an event to be considered a hover. Default is null. - */ - pixelTolerance: null, - - /** - * APIProperty: stopMove - * {Boolean} - Stop other listeners from being notified on mousemoves. - * Default is false. - */ - stopMove: false, - - /** - * Property: px - * {<OpenLayers.Pixel>} - The location of the last mousemove, expressed - * in pixels. - */ - px: null, - - /** - * Property: timerId - * {Number} - The id of the timer. - */ - timerId: null, - - /** - * Constructor: OpenLayers.Handler.Hover - * Construct a hover handler. - * - * Parameters: - * control - {<OpenLayers.Control>} The control that initialized this - * handler. The control is assumed to have a valid map property; that - * map is used in the handler's own setMap method. - * callbacks - {Object} An object with keys corresponding to callbacks - * that will be called by the handler. The callbacks should - * expect to receive a single argument, the event. Callbacks for - * 'move', the mouse is moving, and 'pause', the mouse is pausing, - * are supported. - * options - {Object} An optional object whose properties will be set on - * the handler. - */ - - /** - * Method: mousemove - * Called when the mouse moves on the map. - * - * Parameters: - * evt - {<OpenLayers.Event>} - * - * Returns: - * {Boolean} Continue propagating this event. - */ - mousemove: function(evt) { - if(this.passesTolerance(evt.xy)) { - this.clearTimer(); - this.callback('move', [evt]); - this.px = evt.xy; - // clone the evt so original properties can be accessed even - // if the browser deletes them during the delay - evt = OpenLayers.Util.extend({}, evt); - this.timerId = window.setTimeout( - OpenLayers.Function.bind(this.delayedCall, this, evt), - this.delay - ); - } - return !this.stopMove; - }, - - /** - * Method: mouseout - * Called when the mouse goes out of the map. - * - * Parameters: - * evt - {<OpenLayers.Event>} - * - * Returns: - * {Boolean} Continue propagating this event. - */ - mouseout: function(evt) { - if (OpenLayers.Util.mouseLeft(evt, this.map.viewPortDiv)) { - this.clearTimer(); - this.callback('move', [evt]); - } - return true; - }, - - /** - * Method: passesTolerance - * Determine whether the mouse move is within the optional pixel tolerance. - * - * Parameters: - * px - {<OpenLayers.Pixel>} - * - * Returns: - * {Boolean} The mouse move is within the pixel tolerance. - */ - passesTolerance: function(px) { - var passes = true; - if(this.pixelTolerance && this.px) { - var dpx = Math.sqrt( - Math.pow(this.px.x - px.x, 2) + - Math.pow(this.px.y - px.y, 2) - ); - if(dpx < this.pixelTolerance) { - passes = false; - } - } - return passes; - }, - - /** - * Method: clearTimer - * Clear the timer and set <timerId> to null. - */ - clearTimer: function() { - if(this.timerId != null) { - window.clearTimeout(this.timerId); - this.timerId = null; - } - }, - - /** - * Method: delayedCall - * Triggers pause callback. - * - * Parameters: - * evt - {<OpenLayers.Event>} - */ - delayedCall: function(evt) { - this.callback('pause', [evt]); - }, - - /** - * APIMethod: deactivate - * Deactivate the handler. - * - * Returns: - * {Boolean} The handler was successfully deactivated. - */ - deactivate: function() { - var deactivated = false; - if(OpenLayers.Handler.prototype.deactivate.apply(this, arguments)) { - this.clearTimer(); - deactivated = true; - } - return deactivated; - }, - - CLASS_NAME: "OpenLayers.Handler.Hover" -}); |