/* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog */
( function() {
var viewer;
module( 'Layers', {
setup: function() {
$( '<div id="layersexample"></div>' ).appendTo( "#qunit-fixture" );
testLog.reset();
viewer = OpenSeadragon( {
id: 'layersexample',
prefixUrl: '/build/openseadragon/images/',
springStiffness: 100 // Faster animation = faster tests
});
},
teardown: function() {
if ( viewer && viewer.close ) {
viewer.close();
}
viewer = null;
$( "#layersexample" ).remove();
}
} );
// ----------
asyncTest( 'Layers operations', function() {
expect( 23 );
viewer.addHandler( "open", function( ) {
equal( 1, viewer.getLayersCount( ),
"One layer should be present after opening." );
var options = {
tileSource: {
type: 'legacy-image-pyramid',
levels: [ {
url: "data/A.png",
width: 1000,
height: 1000
} ]
}
};
viewer.addLayer( options );
viewer.addHandler( "add-layer", function addFirstLayerHandler( event ) {
viewer.removeHandler( "add-layer", addFirstLayerHandler );
var layer1 = event.drawer;
equal( viewer.getLayersCount( ), 2,
"2 layers should be present after adding a layer." );
equal( options, event.options,
"The options should be transmitted via the event." );
equal( viewer.getLevelOfLayer( layer1 ), 1,
"The first added layer should have a level of 1" );
equal( viewer.getLayerAtLevel( 1 ), layer1,
"The layer at level 1 should be the first added layer." );
viewer.addLayer( options );
viewer.addHandler( "add-layer", function addSecondLayerHandler( event ) {
viewer.removeHandler( "add-layer", addSecondLayerHandler );
var layer2 = event.drawer;
equal( viewer.getLayersCount( ), 3,
"3 layers should be present after adding a second layer." );
equal( viewer.getLevelOfLayer( layer2 ), 2,
"If not specified, a layer should be added with the highest level." );
equal( viewer.getLayerAtLevel( 2 ), layer2,
"The layer at level 2 should be the second added layer." );
viewer.addHandler( "layer-level-changed",
function layerLevelChangedHandler( event ) {
viewer.removeHandler( "layer-level-changed",
layerLevelChangedHandler );
equal( event.drawer, layer2,
"The layer which changed level should be layer2" );
equal( event.previousLevel, 2, "Previous level should be 2." );
equal( event.newLevel, 1, "New level should be 1." );
});
viewer.setLayerLevel( layer2, 1 );
equal( viewer.getLevelOfLayer( layer2 ), 1,
"Layer2 level should be 1 after setLayerLevel." );
equal( viewer.getLevelOfLayer( layer1 ), 2,
"Layer1 level should be 2 after setLayerLevel." );
equal( viewer.getLayerAtLevel( 1 ), layer2,
"The layer at level 1 should be layer2." );
equal( viewer.getLayerAtLevel( 2 ), layer1,
"The layer at level 2 should be layer1." );
options.level = 2;
options.tileSource.levels[0].url = "data/CCyan.png";
options.opacity = 0.5;
viewer.addLayer( options );
viewer.addHandler( "add-layer", function addThirdLayerHandler( event ) {
viewer.removeHandler( "add-layer", addThirdLayerHandler );
var layer3 = event.drawer;
equal( viewer.getLayersCount( ), 4,
"4 layers should be present after adding a third layer." );
equal( viewer.getLevelOfLayer( layer3 ), 2,
"Layer 3 should be added with level 2." );
equal( viewer.getLevelOfLayer( layer2 ), 1,
"Layer 2 should stay at level 1." );
viewer.addHandler( "remove-layer", function removeLayerHandler( event ) {
viewer.removeHandler( "remove-layer", removeLayerHandler );
equal( layer2, event.drawer, "Removed layer should be layer2." );
equal( viewer.getLevelOfLayer( layer1 ), 2,
"Layer 1 should be at level 2." );
equal( viewer.getLevelOfLayer( layer2 ), -1,
"Layer 2 should be at level -1." );
equal( viewer.getLevelOfLayer( layer3 ), 1,
"Layer 3 should be at level 1." );
});
viewer.removeLayer( layer2 );
options.tileSource.levels[0].width = 500;
viewer.addHandler( "add-layer-failed", function addLayerFailed( event ) {
viewer.removeHandler( "add-layer-failed", addLayerFailed );
equal( viewer.getLayersCount(), 3 );
start();
});
viewer.addLayer( options );
});
});
});
});
viewer.open( '/test/data/testpattern.dzi' );
});
asyncTest( 'Sequences as layers', function() {
var options = {
tileSource: [{
type: 'legacy-image-pyramid',
levels: [{
url: "data/A.png",
width: 1000,
height: 1000
}]
}, {
type: 'legacy-image-pyramid',
levels: [{
url: "data/BBlue.png",
width: 1000,
height: 1000
}]
}]
};
viewer.addHandler( "open", function openHandler() {
viewer.removeHandler( "open", openHandler );
viewer.addHandler( "add-layer-failed",
function addLayerFailedHandler( event ) {
viewer.removeHandler( "add-layer-failed", addLayerFailedHandler );
equal( event.message, "Sequences can not be added as layers." );
equal( event.options, options, "Layer failed event should give the options." );
start();
} );
viewer.addLayer( options );
});
viewer.open( '/test/data/testpattern.dzi' );
});
asyncTest( 'Reassign base layer', function() {
var options = {
tileSource: {
type: 'legacy-image-pyramid',
levels: [{
url: "data/A.png",
width: 1000,
height: 1000
}]
},
level: 0
};
viewer.addHandler( "open", function openHandler( ) {
viewer.removeHandler( "open", openHandler );
var testPatternDrawer = viewer.drawer;
equal( viewer.drawer, testPatternDrawer, "Viewer.drawer should be set to testPatternDrawer." );
viewer.addHandler( "add-layer", function addLayerHandler( event ) {
viewer.removeHandler( "add-layer", addLayerHandler );
var aDrawer = event.drawer;
equal( viewer.drawer, aDrawer, "Viewer.drawer should be set to aDrawer." );
viewer.setLayerLevel( aDrawer, 1 );
equal( viewer.drawer, testPatternDrawer, "Viewer.drawer should be set back to testPatternDrawer." );
viewer.removeLayer( viewer.drawer );
equal( viewer.drawer, aDrawer, "Viewer.drawer must be reassigned when removing base layer." );
viewer.removeLayer( viewer.drawer );
ok( !viewer.isOpen(), "Viewer should be closed when removing last layer." );
start();
});
viewer.addLayer( options );
});
viewer.open( '/test/data/testpattern.dzi' );
});
asyncTest( 'Layers and sequences', function() {
expect( 1 );
// TODO: Remove workaround when issue #321 is fixed.
// https://github.com/openseadragon/openseadragon/issues/321
// viewer.open( [{
// type: 'legacy-image-pyramid',
// levels: [ {
// url: "data/A.png",
// width: 1000,
// height: 1000
// }]
// },
// {
// type: 'legacy-image-pyramid',
// levels: [ {
// url: "data/BBlue.png",
// width: 1000,
// height: 1000
// }]}] );
viewer.close();
viewer = OpenSeadragon({
id: 'layersexample',
prefixUrl: '/build/openseadragon/images/',
springStiffness: 100, // Faster animation = faster tests
tileSources: [{
type: 'legacy-image-pyramid',
levels: [{
url: "data/A.png",
width: 1000,
height: 1000
}]
},
{
type: 'legacy-image-pyramid',
levels: [{
url: "data/BBlue.png",
width: 1000,
height: 1000
}]
}]
});
// End workaround
var options = {
tileSource: {
type: 'legacy-image-pyramid',
levels: [{
url: "data/CCyan.png",
width: 1000,
height: 1000
}]
}
};
viewer.addHandler( "open", function openHandler() {
viewer.addHandler( "add-layer", function addLayerHandler( event ) {
viewer.removeHandler( "add-layer", addLayerHandler );
var layer = event.drawer;
try {
viewer.setLayerLevel( layer, 0 );
} catch (e) {
ok( true );
}
start();
} );
viewer.addLayer( options );
});
});
})();