this.bind = function()

in optaplanner-docs/src/modules/ROOT/images/website/jstree/jstree.js [6710:6758]
43 lines of code
26 McCabe index (conditional complexity)

		this.bind = function () {
			parent.bind.call(this);

			this.element
				.on(this.settings.dnd.use_html5 ? 'dragstart.jstree' : 'mousedown.jstree touchstart.jstree', this.settings.dnd.large_drag_target ? '.jstree-node' : '.jstree-anchor', $.proxy(function (e) {
						if(this.settings.dnd.large_drag_target && $(e.target).closest('.jstree-node')[0] !== e.currentTarget) {
							return true;
						}
						if(e.type === "touchstart" && (!this.settings.dnd.touch || (this.settings.dnd.touch === 'selected' && !$(e.currentTarget).closest('.jstree-node').children('.jstree-anchor').hasClass('jstree-clicked')))) {
							return true;
						}
						var obj = this.get_node(e.target),
							mlt = this.is_selected(obj) && this.settings.dnd.drag_selection ? this.get_top_selected().length : 1,
							txt = (mlt > 1 ? mlt + ' ' + this.get_string('nodes') : this.get_text(e.currentTarget));
						if(this.settings.core.force_text) {
							txt = $.vakata.html.escape(txt);
						}
						if(obj && obj.id && obj.id !== $.jstree.root && (e.which === 1 || e.type === "touchstart" || e.type === "dragstart") &&
							(this.settings.dnd.is_draggable === true || ($.isFunction(this.settings.dnd.is_draggable) && this.settings.dnd.is_draggable.call(this, (mlt > 1 ? this.get_top_selected(true) : [obj]), e)))
						) {
							drg = { 'jstree' : true, 'origin' : this, 'obj' : this.get_node(obj,true), 'nodes' : mlt > 1 ? this.get_top_selected() : [obj.id] };
							elm = e.currentTarget;
							if (this.settings.dnd.use_html5) {
								$.vakata.dnd._trigger('start', e, { 'helper': $(), 'element': elm, 'data': drg });
							} else {
								this.element.trigger('mousedown.jstree');
								return $.vakata.dnd.start(e, drg, '<div id="jstree-dnd" class="jstree-' + this.get_theme() + ' jstree-' + this.get_theme() + '-' + this.get_theme_variant() + ' ' + ( this.settings.core.themes.responsive ? ' jstree-dnd-responsive' : '' ) + '"><i class="jstree-icon jstree-er"></i>' + txt + '<ins class="jstree-copy" style="display:none;">+</ins></div>');
							}
						}
					}, this));
			if (this.settings.dnd.use_html5) {
				this.element
					.on('dragover.jstree', function (e) {
							e.preventDefault();
							$.vakata.dnd._trigger('move', e, { 'helper': $(), 'element': elm, 'data': drg });
							return false;
						})
					//.on('dragenter.jstree', this.settings.dnd.large_drop_target ? '.jstree-node' : '.jstree-anchor', $.proxy(function (e) {
					//		e.preventDefault();
					//		$.vakata.dnd._trigger('move', e, { 'helper': $(), 'element': elm, 'data': drg });
					//		return false;
					//	}, this))
					.on('drop.jstree', $.proxy(function (e) {
							e.preventDefault();
							$.vakata.dnd._trigger('stop', e, { 'helper': $(), 'element': elm, 'data': drg });
							return false;
						}, this));
			}
		};