Software: Apache. PHP/5.5.15 uname -a: Windows NT SVR-DMZ 6.1 build 7600 (Windows Server 2008 R2 Enterprise Edition) i586 SYSTEM Safe-mode: OFF (not secure) E:\nuevo\phpMyAdmin2\js\openlayers\src\openlayers\lib\OpenLayers\Strategy\ drwxrwxrwx |
Viewing file: Refresh.js (3.64 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) | /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for * full list of contributors). Published under the Clear BSD license. * See http://svn.openlayers.org/trunk/openlayers/license.txt for the * full text of the license. */ /** * @requires OpenLayers/Strategy.js */ /** * Class: OpenLayers.Strategy.Refresh * A strategy that refreshes the layer. By default the strategy waits for a * call to <refresh> before refreshing. By configuring the strategy with * the <interval> option, refreshing can take place automatically. * * Inherits from: * - <OpenLayers.Strategy> */ OpenLayers.Strategy.Refresh = OpenLayers.Class(OpenLayers.Strategy, { /** * Property: force * {Boolean} Force a refresh on the layer. Default is false. */ force: false, /** * Property: interval * {Number} Auto-refresh. Default is 0. If > 0, layer will be refreshed * every N milliseconds. */ interval: 0, /** * Property: timer * {Number} The id of the timer. */ timer: null, /** * Constructor: OpenLayers.Strategy.Refresh * Create a new Refresh strategy. * * Parameters: * options - {Object} Optional object whose properties will be set on the * instance. */ initialize: function(options) { OpenLayers.Strategy.prototype.initialize.apply(this, [options]); }, /** * APIMethod: activate * Activate the strategy. Register any listeners, do appropriate setup. * * Returns: * {Boolean} True if the strategy was successfully activated. */ activate: function() { var activated = OpenLayers.Strategy.prototype.activate.call(this); if(activated) { if(this.layer.visibility === true) { this.start(); } this.layer.events.on({ "visibilitychanged": this.reset, scope: this }); } return activated; }, /** * APIMethod: deactivate * Deactivate the strategy. Unregister any listeners, do appropriate * tear-down. * * Returns: * {Boolean} True if the strategy was successfully deactivated. */ deactivate: function() { var deactivated = OpenLayers.Strategy.prototype.deactivate.call(this); if(deactivated) { this.stop(); } return deactivated; }, /** * Method: reset * Start or cancel the refresh interval depending on the visibility of * the layer. */ reset: function() { if(this.layer.visibility === true) { this.start(); } else { this.stop(); } }, /** * Method: start * Start the refresh interval. */ start: function() { if(this.interval && typeof this.interval === "number" && this.interval > 0) { this.timer = window.setInterval( OpenLayers.Function.bind(this.refresh, this), this.interval); } }, /** * APIMethod: refresh * Tell the strategy to refresh which will refresh the layer. */ refresh: function() { if (this.layer && this.layer.refresh && typeof this.layer.refresh == "function") { this.layer.refresh({force: this.force}); } }, /** * Method: stop * Cancels the refresh interval. */ stop: function() { if(this.timer !== null) { window.clearInterval(this.timer); this.timer = null; } }, CLASS_NAME: "OpenLayers.Strategy.Refresh" }); |
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