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Control resolution at which snapping is considered with minResolution and maxResolution per target. r=elemoine (closes #3007).

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@11016 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2011-01-06 21:41:25 +00:00
parent 8dd58e484a
commit 8c258e9901
2 changed files with 88 additions and 5 deletions
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64
tests/Control/Snapping.html
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@@ -173,6 +173,70 @@
control.destroy();
}
function test_resolution_limits(t) {
t.plan(7);
var map = new OpenLayers.Map("map", {
resolutions: [1],
maxExtent: new OpenLayers.Bounds(0, 0, 100, 100)
});
var layer = new OpenLayers.Layer.Vector(null, {
isBaseLayer: true
});
layer.addFeatures([
new OpenLayers.Feature.Vector(OpenLayers.Geometry.fromWKT(
"POINT(50 50)"
))
]);
map.addLayer(layer);
map.zoomToMaxExtent();
var control = new OpenLayers.Control.Snapping({layer: layer});
var result;
var loc = new OpenLayers.Geometry.Point(49, 49);
// 1) test a target with no constraints
control.setTargets([{layer: layer}]);
result = control.testTarget(control.targets[0], loc);
t.ok(result !== null, "1) target is eligible");
// 2) test a target with minResolution < map.resolution
control.setTargets([{layer: layer, minResolution: 0.5}]);
result = control.testTarget(control.targets[0], loc);
t.ok(result !== null, "2) target is eligible");
// 3) test a target with minResolution === map.resolution
control.setTargets([{layer: layer, minResolution: 1}]);
result = control.testTarget(control.targets[0], loc);
t.ok(result !== null, "3) target is eligible");
// 4) test a target with minResolution > map.resolution
control.setTargets([{layer: layer, minResolution: 1.5}]);
result = control.testTarget(control.targets[0], loc);
t.ok(result === null, "4) target is not eligible");
// 5) test a target with maxResolution < map.resolution
control.setTargets([{layer: layer, maxResolution: 0.5}]);
result = control.testTarget(control.targets[0], loc);
t.ok(result === null, "5) target is not eligible");
// 6) test a target with maxResolution === map.resolution
control.setTargets([{layer: layer, maxResolution: 1}]);
result = control.testTarget(control.targets[0], loc);
t.ok(result === null, "6) target is not eligible");
// 7) test a target with maxResolution > map.resolution
control.setTargets([{layer: layer, maxResolution: 1.5}]);
result = control.testTarget(control.targets[0], loc);
t.ok(result !== null, "7) target is eligible");
map.destroy();
}
function test_snapping(t) {
t.plan(46);