copy_node : function()

in optaplanner-docs/src/modules/ROOT/images/website/jstree/jstree.js [4252:4368]

• 94 lines of code
• 59 McCabe index (conditional complexity)

		copy_node : function (obj, par, pos, callback, is_loaded, skip_redraw, origin) {
			var t1, t2, dpc, tmp, i, j, node, old_par, new_par, old_ins, is_multi;

			par = this.get_node(par);
			pos = pos === undefined ? 0 : pos;
			if(!par) { return false; }
			if(!pos.toString().match(/^(before|after)$/) && !is_loaded && !this.is_loaded(par)) {
				return this.load_node(par, function () { this.copy_node(obj, par, pos, callback, true, false, origin); });
			}

			if($.isArray(obj)) {
				if(obj.length === 1) {
					obj = obj[0];
				}
				else {
					//obj = obj.slice();
					for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
						if((tmp = this.copy_node(obj[t1], par, pos, callback, is_loaded, true, origin))) {
							par = tmp;
							pos = "after";
						}
					}
					this.redraw();
					return true;
				}
			}
			obj = obj && obj.id ? obj : this.get_node(obj);
			if(!obj || obj.id === $.jstree.root) { return false; }

			old_par = (obj.parent || $.jstree.root).toString();
			new_par = (!pos.toString().match(/^(before|after)$/) || par.id === $.jstree.root) ? par : this.get_node(par.parent);
			old_ins = origin ? origin : (this._model.data[obj.id] ? this : $.jstree.reference(obj.id));
			is_multi = !old_ins || !old_ins._id || (this._id !== old_ins._id);

			if(old_ins && old_ins._id) {
				obj = old_ins._model.data[obj.id];
			}

			if(par.id === $.jstree.root) {
				if(pos === "before") { pos = "first"; }
				if(pos === "after") { pos = "last"; }
			}
			switch(pos) {
				case "before":
					pos = $.inArray(par.id, new_par.children);
					break;
				case "after" :
					pos = $.inArray(par.id, new_par.children) + 1;
					break;
				case "inside":
				case "first":
					pos = 0;
					break;
				case "last":
					pos = new_par.children.length;
					break;
				default:
					if(!pos) { pos = 0; }
					break;
			}
			if(pos > new_par.children.length) { pos = new_par.children.length; }
			if(!this.check("copy_node", obj, new_par, pos, { 'core' : true, 'origin' : origin, 'is_multi' : (old_ins && old_ins._id && old_ins._id !== this._id), 'is_foreign' : (!old_ins || !old_ins._id) })) {
				this.settings.core.error.call(this, this._data.core.last_error);
				return false;
			}
			node = old_ins ? old_ins.get_json(obj, { no_id : true, no_data : true, no_state : true }) : obj;
			if(!node) { return false; }
			if(node.id === true) { delete node.id; }
			node = this._parse_model_from_json(node, new_par.id, new_par.parents.concat());
			if(!node) { return false; }
			tmp = this.get_node(node);
			if(obj && obj.state && obj.state.loaded === false) { tmp.state.loaded = false; }
			dpc = [];
			dpc.push(node);
			dpc = dpc.concat(tmp.children_d);
			this.trigger('model', { "nodes" : dpc, "parent" : new_par.id });

			// insert into new parent and up
			for(i = 0, j = new_par.parents.length; i < j; i++) {
				this._model.data[new_par.parents[i]].children_d = this._model.data[new_par.parents[i]].children_d.concat(dpc);
			}
			dpc = [];
			for(i = 0, j = new_par.children.length; i < j; i++) {
				dpc[i >= pos ? i+1 : i] = new_par.children[i];
			}
			dpc[pos] = tmp.id;
			new_par.children = dpc;
			new_par.children_d.push(tmp.id);
			new_par.children_d = new_par.children_d.concat(tmp.children_d);

			if(new_par.id === $.jstree.root) {
				this._model.force_full_redraw = true;
			}
			if(!this._model.force_full_redraw) {
				this._node_changed(new_par.id);
			}
			if(!skip_redraw) {
				this.redraw(new_par.id === $.jstree.root);
			}
			if(callback) { callback.call(this, tmp, new_par, pos); }
			/**
			 * triggered when a node is copied
			 * @event
			 * @name copy_node.jstree
			 * @param {Object} node the copied node
			 * @param {Object} original the original node
			 * @param {String} parent the parent's ID
			 * @param {Number} position the position of the node among the parent's children
			 * @param {String} old_parent the old parent of the node
			 * @param {Number} old_position the position of the original node
			 * @param {Boolean} is_multi do the node and new parent belong to different instances
			 * @param {jsTree} old_instance the instance the node came from
			 * @param {jsTree} new_instance the instance of the new parent
			 */
			this.trigger('copy_node', { "node" : tmp, "original" : obj, "parent" : new_par.id, "position" : pos, "old_parent" : old_par, "old_position" : old_ins && old_ins._id && old_par && old_ins._model.data[old_par] && old_ins._model.data[old_par].children ? $.inArray(obj.id, old_ins._model.data[old_par].children) : -1,'is_multi' : (old_ins && old_ins._id && old_ins._id !== this._id), 'is_foreign' : (!old_ins || !old_ins._id), 'old_instance' : old_ins, 'new_instance' : this });
			return tmp.id;
		},