+++ /dev/null
-var $, Node, Position;
-
-$ = jQuery;
-
-Position = {
- getName: function(position) {
- return Position.strings[position - 1];
- },
- nameToIndex: function(name) {
- var i, j, ref;
- for (i = j = 1, ref = Position.strings.length; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {
- if (Position.strings[i - 1] === name) {
- return i;
- }
- }
- return 0;
- }
-};
-
-Position.BEFORE = 1;
-
-Position.AFTER = 2;
-
-Position.INSIDE = 3;
-
-Position.NONE = 4;
-
-Position.strings = ['before', 'after', 'inside', 'none'];
-
-Node = (function() {
- function Node(o, is_root, node_class) {
- if (is_root == null) {
- is_root = false;
- }
- if (node_class == null) {
- node_class = Node;
- }
- this.name = '';
- this.setData(o);
- this.children = [];
- this.parent = null;
- if (is_root) {
- this.id_mapping = {};
- this.tree = this;
- this.node_class = node_class;
- }
- }
-
- Node.prototype.setData = function(o) {
-
- /*
- Set the data of this node.
-
- setData(string): set the name of the node
- setdata(object): set attributes of the node
-
- Examples:
- setdata('node1')
-
- setData({ name: 'node1', id: 1});
-
- setData({ name: 'node2', id: 2, color: 'green'});
-
- * This is an internal function; it is not in the docs
- * Does not remove existing node values
- */
- var key, setName, value;
- setName = (function(_this) {
- return function(name) {
- if (name !== null) {
- return _this.name = name;
- }
- };
- })(this);
- if (typeof o !== 'object') {
- setName(o);
- } else {
- for (key in o) {
- value = o[key];
- if (key === 'label') {
- setName(value);
- } else if (key !== 'children') {
- this[key] = value;
- }
- }
- }
- return null;
- };
-
- Node.prototype.initFromData = function(data) {
- var addChildren, addNode;
- addNode = (function(_this) {
- return function(node_data) {
- _this.setData(node_data);
- if (node_data.children) {
- return addChildren(node_data.children);
- }
- };
- })(this);
- addChildren = (function(_this) {
- return function(children_data) {
- var child, j, len, node;
- for (j = 0, len = children_data.length; j < len; j++) {
- child = children_data[j];
- node = new _this.tree.node_class('');
- node.initFromData(child);
- _this.addChild(node);
- }
- return null;
- };
- })(this);
- addNode(data);
- return null;
- };
-
-
- /*
- Create tree from data.
-
- Structure of data is:
- [
- {
- label: 'node1',
- children: [
- { label: 'child1' },
- { label: 'child2' }
- ]
- },
- {
- label: 'node2'
- }
- ]
- */
-
- Node.prototype.loadFromData = function(data) {
- var j, len, node, o;
- this.removeChildren();
- for (j = 0, len = data.length; j < len; j++) {
- o = data[j];
- node = new this.tree.node_class(o);
- this.addChild(node);
- if (typeof o === 'object' && o.children) {
- node.loadFromData(o.children);
- }
- }
- return null;
- };
-
-
- /*
- Add child.
-
- tree.addChild(
- new Node('child1')
- );
- */
-
- Node.prototype.addChild = function(node) {
- this.children.push(node);
- return node._setParent(this);
- };
-
-
- /*
- Add child at position. Index starts at 0.
-
- tree.addChildAtPosition(
- new Node('abc'),
- 1
- );
- */
-
- Node.prototype.addChildAtPosition = function(node, index) {
- this.children.splice(index, 0, node);
- return node._setParent(this);
- };
-
- Node.prototype._setParent = function(parent) {
- this.parent = parent;
- this.tree = parent.tree;
- return this.tree.addNodeToIndex(this);
- };
-
-
- /*
- Remove child. This also removes the children of the node.
-
- tree.removeChild(tree.children[0]);
- */
-
- Node.prototype.removeChild = function(node) {
- node.removeChildren();
- return this._removeChild(node);
- };
-
- Node.prototype._removeChild = function(node) {
- this.children.splice(this.getChildIndex(node), 1);
- return this.tree.removeNodeFromIndex(node);
- };
-
-
- /*
- Get child index.
-
- var index = getChildIndex(node);
- */
-
- Node.prototype.getChildIndex = function(node) {
- return $.inArray(node, this.children);
- };
-
-
- /*
- Does the tree have children?
-
- if (tree.hasChildren()) {
- //
- }
- */
-
- Node.prototype.hasChildren = function() {
- return this.children.length !== 0;
- };
-
- Node.prototype.isFolder = function() {
- return this.hasChildren() || this.load_on_demand;
- };
-
-
- /*
- Iterate over all the nodes in the tree.
-
- Calls callback with (node, level).
-
- The callback must return true to continue the iteration on current node.
-
- tree.iterate(
- function(node, level) {
- console.log(node.name);
-
- // stop iteration after level 2
- return (level <= 2);
- }
- );
- */
-
- Node.prototype.iterate = function(callback) {
- var _iterate;
- _iterate = function(node, level) {
- var child, j, len, ref, result;
- if (node.children) {
- ref = node.children;
- for (j = 0, len = ref.length; j < len; j++) {
- child = ref[j];
- result = callback(child, level);
- if (result && child.hasChildren()) {
- _iterate(child, level + 1);
- }
- }
- return null;
- }
- };
- _iterate(this, 0);
- return null;
- };
-
-
- /*
- Move node relative to another node.
-
- Argument position: Position.BEFORE, Position.AFTER or Position.Inside
-
- // move node1 after node2
- tree.moveNode(node1, node2, Position.AFTER);
- */
-
- Node.prototype.moveNode = function(moved_node, target_node, position) {
- if (moved_node.isParentOf(target_node)) {
- return;
- }
- moved_node.parent._removeChild(moved_node);
- if (position === Position.AFTER) {
- return target_node.parent.addChildAtPosition(moved_node, target_node.parent.getChildIndex(target_node) + 1);
- } else if (position === Position.BEFORE) {
- return target_node.parent.addChildAtPosition(moved_node, target_node.parent.getChildIndex(target_node));
- } else if (position === Position.INSIDE) {
- return target_node.addChildAtPosition(moved_node, 0);
- }
- };
-
-
- /*
- Get the tree as data.
- */
-
- Node.prototype.getData = function(include_parent) {
- var getDataFromNodes;
- if (include_parent == null) {
- include_parent = false;
- }
- getDataFromNodes = function(nodes) {
- var data, j, k, len, node, tmp_node, v;
- data = [];
- for (j = 0, len = nodes.length; j < len; j++) {
- node = nodes[j];
- tmp_node = {};
- for (k in node) {
- v = node[k];
- if ((k !== 'parent' && k !== 'children' && k !== 'element' && k !== 'tree') && Object.prototype.hasOwnProperty.call(node, k)) {
- tmp_node[k] = v;
- }
- }
- if (node.hasChildren()) {
- tmp_node.children = getDataFromNodes(node.children);
- }
- data.push(tmp_node);
- }
- return data;
- };
- if (include_parent) {
- return getDataFromNodes([this]);
- } else {
- return getDataFromNodes(this.children);
- }
- };
-
- Node.prototype.getNodeByName = function(name) {
- return this.getNodeByCallback(function(node) {
- return node.name === name;
- });
- };
-
- Node.prototype.getNodeByCallback = function(callback) {
- var result;
- result = null;
- this.iterate(function(node) {
- if (callback(node)) {
- result = node;
- return false;
- } else {
- return true;
- }
- });
- return result;
- };
-
- Node.prototype.addAfter = function(node_info) {
- var child_index, node;
- if (!this.parent) {
- return null;
- } else {
- node = new this.tree.node_class(node_info);
- child_index = this.parent.getChildIndex(this);
- this.parent.addChildAtPosition(node, child_index + 1);
- if (typeof node_info === 'object' && node_info.children && node_info.children.length) {
- node.loadFromData(node_info.children);
- }
- return node;
- }
- };
-
- Node.prototype.addBefore = function(node_info) {
- var child_index, node;
- if (!this.parent) {
- return null;
- } else {
- node = new this.tree.node_class(node_info);
- child_index = this.parent.getChildIndex(this);
- this.parent.addChildAtPosition(node, child_index);
- if (typeof node_info === 'object' && node_info.children && node_info.children.length) {
- node.loadFromData(node_info.children);
- }
- return node;
- }
- };
-
- Node.prototype.addParent = function(node_info) {
- var child, j, len, new_parent, original_parent, ref;
- if (!this.parent) {
- return null;
- } else {
- new_parent = new this.tree.node_class(node_info);
- new_parent._setParent(this.tree);
- original_parent = this.parent;
- ref = original_parent.children;
- for (j = 0, len = ref.length; j < len; j++) {
- child = ref[j];
- new_parent.addChild(child);
- }
- original_parent.children = [];
- original_parent.addChild(new_parent);
- return new_parent;
- }
- };
-
- Node.prototype.remove = function() {
- if (this.parent) {
- this.parent.removeChild(this);
- return this.parent = null;
- }
- };
-
- Node.prototype.append = function(node_info) {
- var node;
- node = new this.tree.node_class(node_info);
- this.addChild(node);
- if (typeof node_info === 'object' && node_info.children && node_info.children.length) {
- node.loadFromData(node_info.children);
- }
- return node;
- };
-
- Node.prototype.prepend = function(node_info) {
- var node;
- node = new this.tree.node_class(node_info);
- this.addChildAtPosition(node, 0);
- if (typeof node_info === 'object' && node_info.children && node_info.children.length) {
- node.loadFromData(node_info.children);
- }
- return node;
- };
-
- Node.prototype.isParentOf = function(node) {
- var parent;
- parent = node.parent;
- while (parent) {
- if (parent === this) {
- return true;
- }
- parent = parent.parent;
- }
- return false;
- };
-
- Node.prototype.getLevel = function() {
- var level, node;
- level = 0;
- node = this;
- while (node.parent) {
- level += 1;
- node = node.parent;
- }
- return level;
- };
-
- Node.prototype.getNodeById = function(node_id) {
- return this.id_mapping[node_id];
- };
-
- Node.prototype.addNodeToIndex = function(node) {
- if (node.id != null) {
- return this.id_mapping[node.id] = node;
- }
- };
-
- Node.prototype.removeNodeFromIndex = function(node) {
- if (node.id != null) {
- return delete this.id_mapping[node.id];
- }
- };
-
- Node.prototype.removeChildren = function() {
- this.iterate((function(_this) {
- return function(child) {
- _this.tree.removeNodeFromIndex(child);
- return true;
- };
- })(this));
- return this.children = [];
- };
-
- Node.prototype.getPreviousSibling = function() {
- var previous_index;
- if (!this.parent) {
- return null;
- } else {
- previous_index = this.parent.getChildIndex(this) - 1;
- if (previous_index >= 0) {
- return this.parent.children[previous_index];
- } else {
- return null;
- }
- }
- };
-
- Node.prototype.getNextSibling = function() {
- var next_index;
- if (!this.parent) {
- return null;
- } else {
- next_index = this.parent.getChildIndex(this) + 1;
- if (next_index < this.parent.children.length) {
- return this.parent.children[next_index];
- } else {
- return null;
- }
- }
- };
-
- Node.prototype.getNodesByProperty = function(key, value) {
- return this.filter(function(node) {
- return node[key] === value;
- });
- };
-
- Node.prototype.filter = function(f) {
- var result;
- result = [];
- this.iterate(function(node) {
- if (f(node)) {
- result.push(node);
- }
- return true;
- });
- return result;
- };
-
- Node.prototype.getNextNode = function(include_children) {
- var next_sibling;
- if (include_children == null) {
- include_children = true;
- }
- if (include_children && this.hasChildren() && this.is_open) {
- return this.children[0];
- } else {
- if (!this.parent) {
- return null;
- } else {
- next_sibling = this.getNextSibling();
- if (next_sibling) {
- return next_sibling;
- } else {
- return this.parent.getNextNode(false);
- }
- }
- }
- };
-
- Node.prototype.getPreviousNode = function() {
- var previous_sibling;
- if (!this.parent) {
- return null;
- } else {
- previous_sibling = this.getPreviousSibling();
- if (previous_sibling) {
- if (!previous_sibling.hasChildren() || !previous_sibling.is_open) {
- return previous_sibling;
- } else {
- return previous_sibling.getLastChild();
- }
- } else {
- return this.getParent();
- }
- }
- };
-
- Node.prototype.getParent = function() {
- if (!this.parent) {
- return null;
- } else if (!this.parent.parent) {
- return null;
- } else {
- return this.parent;
- }
- };
-
- Node.prototype.getLastChild = function() {
- var last_child;
- if (!this.hasChildren()) {
- return null;
- } else {
- last_child = this.children[this.children.length - 1];
- if (!last_child.hasChildren() || !last_child.is_open) {
- return last_child;
- } else {
- return last_child.getLastChild();
- }
- }
- };
-
- return Node;
-
-})();
-
-module.exports = {
- Node: Node,
- Position: Position
-};
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