summaryrefslogtreecommitdiff
path: root/misc/openlayers/lib/OpenLayers/Strategy/Fixed.js
diff options
context:
space:
mode:
Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Strategy/Fixed.js')
-rw-r--r--misc/openlayers/lib/OpenLayers/Strategy/Fixed.js135
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"
-});