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Added preventDefault option to MouseTracker.contextMenuHandler and Viewer 'canvas-contextmenu' event args

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This commit is contained in:
Mark Salsbery 2021-03-10 13:45:15 -08:00
parent ab3f49abe3
commit c38188927e
3 changed files with 30 additions and 19 deletions
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1
changelog.txt
View File

@ -36,6 +36,7 @@ OPENSEADRAGON CHANGELOG
* Added additional documentation for the zoomPerSecond viewer option (#1872 @msalsbery)
* MouseTracker: Per #1863, dropped support for Internet Explorer < 11 (#1872 @msalsbery)
* Fixed simulated drag events in navigator tests (#1949 @msalsbery)
* Added preventDefault option to MouseTracker.contextMenuHandler and Viewer 'canvas-contextmenu' event args (# @msalsbery)
2.4.2:

24
src/mousetracker.js
View File

@ -280,7 +280,6 @@
this.dragHandler || this.dragEndHandler ||
this.pinchHandler );
this.hasScrollHandler = !!this.scrollHandler;
this.hasContextMenuHandler = !!this.contextMenuHandler;
if (this.exitHandler) {
$.console.error("MouseTracker.exitHandler is deprecated. Use MouseTracker.leaveHandler instead.");
@ -402,6 +401,8 @@
* The position of the event relative to the tracked element.
* @param {Object} event.originalEvent
* The original event object.
* @param {Boolean} event.preventDefault
* Set to true to prevent the default user-agent's handling of the contextmenu event.
* @param {Object} event.userData
* Arbitrary user-defined object.
*/
@ -1942,6 +1943,8 @@
function onContextMenu( tracker, event ) {
//$.console.log('contextmenu ' + (tracker.userData ? tracker.userData.toString() : '') + ' ' + (event.target === tracker.element ? 'tracker.element' : ''));
var eventArgs = null;
var eventInfo = {
originalEvent: event,
eventType: 'contextmenu',
@ -1952,17 +1955,18 @@
// ContextMenu
if ( tracker.contextMenuHandler && !eventInfo.preventGesture && !eventInfo.defaultPrevented ) {
tracker.contextMenuHandler(
{
eventArgs = {
eventSource: tracker,
position: getPointRelativeToAbsolute( getMouseAbsolute( event ), tracker.element ),
originalEvent: eventInfo.originalEvent,
preventDefault: eventInfo.preventDefault || eventInfo.defaultPrevented,
userData: tracker.userData
}
);
};
tracker.contextMenuHandler( eventArgs );
}
if ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) {
if ( ( eventArgs && eventArgs.preventDefault ) || ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) ) {
$.cancelEvent( event );
}
if ( eventInfo.stopPropagation ) {
@ -2810,7 +2814,7 @@
case 'pointerdown':
eventInfo.isStopable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = false;//tracker.hasGestureHandlers;
eventInfo.preventDefault = false; // updatePointerDown() may set true (tracker.hasGestureHandlers)
eventInfo.preventGesture = !tracker.hasGestureHandlers;
eventInfo.stopPropagation = false;
break;
@ -2824,7 +2828,7 @@
case 'wheel':
eventInfo.isStopable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = false;//tracker.hasScrollHandler;
eventInfo.preventDefault = false; // handleWheelEvent() may set true (tracker.hasScrollHandler)
eventInfo.preventGesture = !tracker.hasScrollHandler;
eventInfo.stopPropagation = false;
break;
@ -2854,8 +2858,8 @@
case 'contextmenu':
eventInfo.isStopable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = false;//tracker.hasContextMenuHandler;
eventInfo.preventGesture = true;//!tracker.hasContextMenuHandler;
eventInfo.preventDefault = false;
eventInfo.preventGesture = false;
eventInfo.stopPropagation = false;
break;
case 'pointerenter':

16
src/viewer.js
View File

@ -2546,6 +2546,13 @@ function onBlur(){
}
function onCanvasContextMenu( event ) {
var eventArgs = {
tracker: event.eventSource,
position: event.position,
originalEvent: event.originalEvent,
preventDefault: event.preventDefault
};
/**
* Raised when a contextmenu event occurs in the {@link OpenSeadragon.Viewer#canvas} element.
*
@ -2556,13 +2563,12 @@ function onCanvasContextMenu( event ) {
* @property {OpenSeadragon.MouseTracker} tracker - A reference to the MouseTracker which originated this event.
* @property {OpenSeadragon.Point} position - The position of the event relative to the tracked element.
* @property {Object} originalEvent - The original DOM event.
* @property {Boolean} preventDefault - Set to true to prevent the default user-agent's handling of the contextmenu event.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
this.raiseEvent( 'canvas-contextmenu', {
tracker: event.eventSource,
position: event.position,
originalEvent: event.originalEvent
});
this.raiseEvent( 'canvas-contextmenu', eventArgs );
event.preventDefault = eventArgs.preventDefault;
}
function onCanvasKeyDown( event ) {