mirror/openseadragon
1
0
Fork 0
mirror of https://github.com/openseadragon/openseadragon.git synced 2024-11-21 20:56:09 +03:00
Code Issues Projects Releases Wiki Activity

manage preventDefaultAction flag inside the canvas-click viewer event. Trigger the canvas-click event before default click zoom happens on the viewer

Browse Source
This commit is contained in:
kinto 2017-03-14 16:08:52 +01:00
parent 199e960d22
commit d5031835da
1 changed files with 21 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/viewer.js
View File

@ -2463,16 +2463,15 @@ function onCanvasClick( event ) {
this.canvas.focus();
}
if ( !event.preventDefaultAction && this.viewport && event.quick ) {
gestureSettings = this.gestureSettingsByDeviceType( event.pointerType );
if ( gestureSettings.clickToZoom ) {
this.viewport.zoomBy(
event.shift ? 1.0 / this.zoomPerClick : this.zoomPerClick,
this.viewport.pointFromPixel( event.position, true )
);
this.viewport.applyConstraints();
}
}
var canvasClickEventArgs = {
tracker: event.eventSource,
position: event.position,
quick: event.quick,
shift: event.shift,
originalEvent: event.originalEvent,
preventDefaultAction: event.preventDefaultAction
};
/**
* Raised when a mouse press/release or touch/remove occurs on the {@link OpenSeadragon.Viewer#canvas} element.
*
@ -2487,13 +2486,18 @@ function onCanvasClick( event ) {
* @property {Object} originalEvent - The original DOM event.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
this.raiseEvent( 'canvas-click', {
tracker: event.eventSource,
position: event.position,
quick: event.quick,
shift: event.shift,
originalEvent: event.originalEvent
});
this.raiseEvent( 'canvas-click', canvasClickEventArgs);
if ( !canvasClickEventArgs.preventDefaultAction && this.viewport && event.quick ) {
gestureSettings = this.gestureSettingsByDeviceType( event.pointerType );
if ( gestureSettings.clickToZoom ) {
this.viewport.zoomBy(
event.shift ? 1.0 / this.zoomPerClick : this.zoomPerClick,
this.viewport.pointFromPixel( event.position, true )
);
this.viewport.applyConstraints();
}
}
}
function onCanvasDblClick( event ) {