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define( [
"jquery",
"ui/draggable"
], function( $ ) {
var element;
module( "draggable: events", {
setup: function() {
element = $("<div>").appendTo("#qunit-fixture");
},
teardown: function() {
element.draggable("destroy");
}
});
test( "callbacks occurrence count", function() {
expect( 3 );
var start = 0,
stop = 0,
dragc = 0;
element.draggable({
start: function() {
start++;
},
drag: function() {
dragc++;
},
stop: function() {
stop++;
}
});
element.simulate( "drag", {
dx: 10,
dy: 10
});
equal( start, 1, "start callback should happen exactly once" );
equal( dragc, 3, "drag callback should happen exactly once per mousemove" );
equal( stop, 1, "stop callback should happen exactly once" );
});
test( "stopping the start callback", function() {
expect( 3 );
var start = 0,
stop = 0,
dragc = 0;
element.draggable({
start: function() {
start++;
return false;
},
drag: function() {
dragc++;
},
stop: function() {
stop++;
}
});
element.simulate( "drag", {
dx: 10,
dy: 10
});
equal( start, 1, "start callback should happen exactly once" );
equal( dragc, 0, "drag callback should not happen at all" );
equal( stop, 0, "stop callback should not happen if there wasnt even a start" );
});
test( "stopping the drag callback", function() {
expect( 2 );
var start = 0,
stop = 0,
dragc = 0;
element.draggable({
start: function() {
start++;
},
drag: function() {
dragc++;
return false;
},
stop: function() {
stop++;
}
});
element.simulate( "drag", {
dx: 10,
dy: 10
});
equal( start, 1, "start callback should happen exactly once" );
equal( stop, 1, "stop callback should happen, as we need to actively stop the drag" );
});
test( "stopping the stop callback", function() {
expect( 1 );
element.draggable({
helper: "clone",
stop: function() {
return false;
}
});
element.simulate( "drag", {
dx: 10,
dy: 10
});
ok( element.draggable( "instance" ).helper, "the clone should not be deleted if the stop callback is stopped" );
});
// http://bugs.jqueryui.com/ticket/6884
// Draggable: ui.offset.left differs between the "start" and "drag" hooks
test( "position and offset in hash is consistent between start, drag, and stop", function() {
expect( 4 );
var startPos, startOffset, dragPos, dragOffset, stopPos, stopOffset;
element = $( "<div style='margin: 2px;'></div>" ).appendTo( "#qunit-fixture" );
element.draggable({
start: function( event, ui ) {
startPos = ui.position;
startOffset = ui.offset;
},
drag: function( event, ui ) {
dragPos = ui.position;
dragOffset = ui.offset;
},
stop: function( event, ui ) {
stopPos = ui.position;
stopOffset = ui.offset;
}
});
element.simulate( "drag", {
dx: 10,
dy: 10,
moves: 1
});
startPos.left += 10;
startPos.top += 10;
startOffset.left += 10;
startOffset.top += 10;
deepEqual( startPos, dragPos, "start position equals drag position plus distance" );
deepEqual( dragPos, stopPos, "drag position equals stop position" );
deepEqual( startOffset, dragOffset, "start offset equals drag offset plus distance" );
deepEqual( dragOffset, stopOffset, "drag offset equals stop offset" );
});
} );
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