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authorChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
committerChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
commitea346a785dc1b3f7c156f6fc33da634e1f1a627b (patch)
treeaf67530553d20b6e82ad60fd79593e9c4abf5565 /misc/openlayers/lib/OpenLayers/Strategy.js
parent59741cd535c47f25971bf8c32b25da25ceadc6d5 (diff)
downloadpostrunner-ea346a785dc1b3f7c156f6fc33da634e1f1a627b.zip
Adding jquery, flot and openlayers to be included with the GEM.v0.0.4
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+/* 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/BaseTypes/Class.js
+ */
+
+/**
+ * Class: OpenLayers.Strategy
+ * Abstract vector layer strategy class. Not to be instantiated directly. Use
+ * one of the strategy subclasses instead.
+ */
+OpenLayers.Strategy = OpenLayers.Class({
+
+ /**
+ * Property: layer
+ * {<OpenLayers.Layer.Vector>} The layer this strategy belongs to.
+ */
+ layer: null,
+
+ /**
+ * Property: options
+ * {Object} Any options sent to the constructor.
+ */
+ options: null,
+
+ /**
+ * Property: active
+ * {Boolean} The control is active.
+ */
+ active: null,
+
+ /**
+ * Property: autoActivate
+ * {Boolean} The creator of the strategy can set autoActivate to false
+ * to fully control when the protocol is activated and deactivated.
+ * Defaults to true.
+ */
+ autoActivate: true,
+
+ /**
+ * Property: autoDestroy
+ * {Boolean} The creator of the strategy can set autoDestroy to false
+ * to fully control when the strategy is destroyed. Defaults to
+ * true.
+ */
+ autoDestroy: true,
+
+ /**
+ * Constructor: OpenLayers.Strategy
+ * Abstract class for vector strategies. Create instances of a subclass.
+ *
+ * Parameters:
+ * options - {Object} Optional object whose properties will be set on the
+ * instance.
+ */
+ initialize: function(options) {
+ OpenLayers.Util.extend(this, options);
+ this.options = options;
+ // set the active property here, so that user cannot override it
+ this.active = false;
+ },
+
+ /**
+ * APIMethod: destroy
+ * Clean up the strategy.
+ */
+ destroy: function() {
+ this.deactivate();
+ this.layer = null;
+ this.options = null;
+ },
+
+ /**
+ * Method: setLayer
+ * Called to set the <layer> property.
+ *
+ * Parameters:
+ * layer - {<OpenLayers.Layer.Vector>}
+ */
+ setLayer: function(layer) {
+ this.layer = layer;
+ },
+
+ /**
+ * Method: activate
+ * Activate the strategy. Register any listeners, do appropriate setup.
+ *
+ * Returns:
+ * {Boolean} True if the strategy was successfully activated or false if
+ * the strategy was already active.
+ */
+ activate: function() {
+ if (!this.active) {
+ this.active = true;
+ return true;
+ }
+ return false;
+ },
+
+ /**
+ * Method: deactivate
+ * Deactivate the strategy. Unregister any listeners, do appropriate
+ * tear-down.
+ *
+ * Returns:
+ * {Boolean} True if the strategy was successfully deactivated or false if
+ * the strategy was already inactive.
+ */
+ deactivate: function() {
+ if (this.active) {
+ this.active = false;
+ return true;
+ }
+ return false;
+ },
+
+ CLASS_NAME: "OpenLayers.Strategy"
+});