diff options
Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Strategy/Fixed.js')
-rw-r--r-- | misc/openlayers/lib/OpenLayers/Strategy/Fixed.js | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Strategy/Fixed.js b/misc/openlayers/lib/OpenLayers/Strategy/Fixed.js deleted file mode 100644 index b06f2cd..0000000 --- a/misc/openlayers/lib/OpenLayers/Strategy/Fixed.js +++ /dev/null @@ -1,135 +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/Strategy.js - */ - -/** - * Class: OpenLayers.Strategy.Fixed - * A simple strategy that requests features once and never requests new data. - * - * Inherits from: - * - <OpenLayers.Strategy> - */ -OpenLayers.Strategy.Fixed = OpenLayers.Class(OpenLayers.Strategy, { - - /** - * APIProperty: preload - * {Boolean} Load data before layer made visible. Enabling this may result - * in considerable overhead if your application loads many data layers - * that are not visible by default. Default is false. - */ - preload: false, - - /** - * Constructor: OpenLayers.Strategy.Fixed - * Create a new Fixed strategy. - * - * Parameters: - * options - {Object} Optional object whose properties will be set on the - * instance. - */ - - /** - * Method: activate - * Activate the strategy: load data or add listener to load when visible - * - * Returns: - * {Boolean} True if the strategy was successfully activated or false if - * the strategy was already active. - */ - activate: function() { - var activated = OpenLayers.Strategy.prototype.activate.apply(this, arguments); - if(activated) { - this.layer.events.on({ - "refresh": this.load, - scope: this - }); - if(this.layer.visibility == true || this.preload) { - this.load(); - } else { - this.layer.events.on({ - "visibilitychanged": this.load, - scope: this - }); - } - } - return activated; - }, - - /** - * Method: deactivate - * Deactivate the strategy. Undo what is done in <activate>. - * - * Returns: - * {Boolean} The strategy was successfully deactivated. - */ - deactivate: function() { - var deactivated = OpenLayers.Strategy.prototype.deactivate.call(this); - if(deactivated) { - this.layer.events.un({ - "refresh": this.load, - "visibilitychanged": this.load, - scope: this - }); - } - return deactivated; - }, - - /** - * Method: load - * Tells protocol to load data and unhooks the visibilitychanged event - * - * Parameters: - * options - {Object} options to pass to protocol read. - */ - load: function(options) { - var layer = this.layer; - layer.events.triggerEvent("loadstart", {filter: layer.filter}); - layer.protocol.read(OpenLayers.Util.applyDefaults({ - callback: this.merge, - filter: layer.filter, - scope: this - }, options)); - layer.events.un({ - "visibilitychanged": this.load, - scope: this - }); - }, - - /** - * Method: merge - * Add all features to the layer. - * If the layer projection differs from the map projection, features - * will be transformed from the layer projection to the map projection. - * - * Parameters: - * resp - {<OpenLayers.Protocol.Response>} The response object passed - * by the protocol. - */ - merge: function(resp) { - var layer = this.layer; - layer.destroyFeatures(); - var features = resp.features; - if (features && features.length > 0) { - var remote = layer.projection; - var local = layer.map.getProjectionObject(); - if(!local.equals(remote)) { - var geom; - for(var i=0, len=features.length; i<len; ++i) { - geom = features[i].geometry; - if(geom) { - geom.transform(remote, local); - } - } - } - layer.addFeatures(features); - } - layer.events.triggerEvent("loadend", {response: resp}); - }, - - CLASS_NAME: "OpenLayers.Strategy.Fixed" -}); |