| 12341 | })(); |
| 12342 | } |
| 12343 | function core(scheduler2) { |
| 12344 | scheduler2.$keyboardNavigation.dispatcher = { isActive: false, activeNode: null, globalNode: new scheduler2.$keyboardNavigation.SchedulerNode(), keepScrollPosition: function(callback) { |
| 12345 | var top, left; |
| 12346 | var scrollable = scheduler2.$container.querySelector(".dhx_timeline_scrollable_data"); |
| 12347 | if (!scrollable) { |
| 12348 | scrollable = scheduler2.$container.querySelector(".dhx_cal_data"); |
| 12349 | } |
| 12350 | if (scrollable) { |
| 12351 | top = scrollable.scrollTop; |
| 12352 | left = scrollable.scrollLeft; |
| 12353 | } |
| 12354 | callback(); |
| 12355 | if (scrollable) { |
| 12356 | scrollable.scrollTop = top; |
| 12357 | scrollable.scrollLeft = left; |
| 12358 | } |
| 12359 | }, enable: function() { |
| 12360 | if (!scheduler2.$container) { |
| 12361 | return; |
| 12362 | } |
| 12363 | this.isActive = true; |
| 12364 | var self = this; |
| 12365 | this.keepScrollPosition(function() { |
| 12366 | self.globalNode.enable(); |
| 12367 | self.setActiveNode(self.getActiveNode()); |
| 12368 | }); |
| 12369 | }, disable: function() { |
| 12370 | this.isActive = false; |
| 12371 | this.globalNode.disable(); |
| 12372 | }, isEnabled: function() { |
| 12373 | return !!this.isActive; |
| 12374 | }, getDefaultNode: function() { |
| 12375 | return this.globalNode.getDefaultNode(); |
| 12376 | }, setDefaultNode: function() { |
| 12377 | this.setActiveNode(this.getDefaultNode()); |
| 12378 | }, getActiveNode: function() { |
| 12379 | var node = this.activeNode; |
| 12380 | if (node && !node.isValid()) { |
| 12381 | node = node.fallback(); |
| 12382 | } |
| 12383 | return node; |
| 12384 | }, focusGlobalNode: function() { |
| 12385 | this.blurNode(this.globalNode); |
| 12386 | this.focusNode(this.globalNode); |
| 12387 | }, setActiveNode: function(el) { |
| 12388 | if (!el || !el.isValid()) |
| 12389 | return; |
| 12390 | if (this.activeNode) { |
| 12391 | if (this.activeNode.compareTo(el)) { |
| 12392 | return; |
| 12393 | } |
| 12394 | } |
| 12395 | if (this.isEnabled()) { |
| 12396 | this.blurNode(this.activeNode); |
| 12397 | this.activeNode = el; |
| 12398 | this.focusNode(this.activeNode); |
| 12399 | } |
| 12400 | }, focusNode: function(el) { |