mirror/openseadragon
1
0
Fork 0
mirror of https://github.com/openseadragon/openseadragon.git synced 2024-11-25 06:36:11 +03:00
Code Issues Projects Releases Wiki Activity

Merge branch 'master' of github.com:openseadragon/openseadragon

Browse Source
This commit is contained in:
Ian Gilman 2018-06-29 10:37:40 -07:00
commit 68d08d8748
1 changed files with 41 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
src/navigator.js
View File

@ -428,13 +428,48 @@ $.extend( $.Navigator.prototype, $.EventSource.prototype, $.Viewer.prototype, /*
* @function
*/
function onCanvasClick( event ) {
if ( event.quick && this.viewer.viewport ) {
var canvasClickEventArgs = {
tracker: event.eventSource,
position: event.position,
quick: event.quick,
shift: event.shift,
originalEvent: event.originalEvent,
preventDefaultAction: event.preventDefaultAction
};
/**
* Raised when a click event occurs on the {@link OpenSeadragon.Viewer#navigator} element.
*
* @event navigator-click
* @memberof OpenSeadragon.Viewer
* @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised this 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 {Boolean} quick - True only if the clickDistThreshold and clickTimeThreshold are both passed. Useful for differentiating between clicks and drags.
* @property {Boolean} shift - True if the shift key was pressed during this event.
* @property {Object} originalEvent - The original DOM event.
* @property {?Object} userData - Arbitrary subscriber-defined object.
* @property {Boolean} preventDefaultAction - Set to true to prevent default click to zoom behaviour. Default: false.
*/
this.viewer.raiseEvent('navigator-click', canvasClickEventArgs);
if ( !canvasClickEventArgs.preventDefaultAction && event.quick && this.viewer.viewport && (this.panVertical || this.panHorizontal)) {
if(this.viewer.viewport.flipped) {
event.position.x = this.viewport.getContainerSize().x - event.position.x;
}
this.viewer.viewport.panTo(this.viewport.pointFromPixel(event.position));
var target = this.viewport.pointFromPixel(event.position);
if (!this.panVertical) {
// perform only horizonal pan
target.y = this.viewer.viewport.getCenter(true).y;
} else if (!this.panHorizontal) {
// perform only vertical pan
target.x = this.viewer.viewport.getCenter(true).x;
}
this.viewer.viewport.panTo(target);
this.viewer.viewport.applyConstraints();
}
}
/**