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add "refresh" event to Layer.Vector, r=tschaub (closes #1695)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@7959 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Éric Lemoine
2008-09-05 07:05:11 +00:00
parent 6d74b489bb
commit e6d51fcf49
2 changed files with 54 additions and 1 deletions
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20
lib/OpenLayers/Layer/Vector.js
View File

@@ -69,11 +69,14 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
* - *afterfeaturemodified* Triggered when a feature is finished being modified.
* Listeners will receive an object with a *feature* property referencing
* the modified feature.
* - *refresh* Triggered when something wants a strategy to ask the protocol
* for a new set of features.
*/
EVENT_TYPES: ["beforefeatureadded", "featureadded", "featuresadded",
"beforefeatureremoved", "featureremoved", "featuresremoved",
"beforefeatureselected", "featureselected", "featureunselected",
"beforefeaturemodified", "featuremodified", "afterfeaturemodified"],
"beforefeaturemodified", "featuremodified", "afterfeaturemodified",
"refresh"],
/**
* APIProperty: isBaseLayer
@@ -265,6 +268,21 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
OpenLayers.Layer.prototype.destroy.apply(this, arguments);
},
/**
* Method: refresh
* Ask the layer to request features again and redraw them. Triggers
* the refresh event if the layer is in range and visible.
*
* Parameters:
* obj - {Object} Optional object with properties for any listener of
* the refresh event.
*/
refresh: function(obj) {
if(this.inRange && this.visibility) {
this.events.triggerEvent("refresh", obj);
}
},
/**
* Method: assignRenderer
* Iterates through the available renderer implementations and selects

35
tests/Layer/Vector.html
View File

@@ -21,6 +21,41 @@
"setLayer was called on strategies");
}
function test_Layer_Vector_refresh(t) {
t.plan(1);
var obj = {"an": "object"};
var layer = new OpenLayers.Layer.Vector(name, {
eventListeners: {
refresh: function(o) {
t.ok(o == obj,
"refresh listener called with correct arg");
}
}
});
// 0 test
layer.inRange = false;
layer.visibility = false;
layer.refresh(obj);
// 0 test
layer.inRange = true;
layer.visibility = false;
layer.refresh(obj);
// 0 test
layer.inRange = false;
layer.visibility = true;
layer.refresh(obj);
// 1 test
layer.inRange = true;
layer.visibility = true;
layer.refresh(obj);
}
function test_Layer_Vector_addFeatures(t) {
t.plan(8);