419 lines
10 KiB
JavaScript
419 lines
10 KiB
JavaScript
/*
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* jQuery treeTable Plugin
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*/
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(function() {
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var $, Node, Tree, methods;
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$ = jQuery;
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Node = (function() {
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function Node(row, tree, settings) {
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var parentId;
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this.row = row;
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this.tree = tree;
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this.settings = settings;
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this.id = this.row.data(this.settings.nodeIdAttr);
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parentId = this.row.data(this.settings.parentIdAttr);
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if (parentId != null && parentId !== "") {
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this.parentId = parentId;
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}
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this.treeCell = $(this.row.children(this.settings.columnElType)[this.settings.column]);
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this.expander = $(this.settings.expanderTemplate);
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this.indenter = $(this.settings.indenterTemplate);
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this.children = [];
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this.initialized = false;
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this.treeCell.prepend(this.indenter);
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}
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Node.prototype.addChild = function(child) {
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return this.children.push(child);
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};
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Node.prototype.ancestors = function() {
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var ancestors, node;
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node = this;
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ancestors = [];
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while (node = node.parentNode()) {
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ancestors.push(node);
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}
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return ancestors;
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};
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Node.prototype.collapse = function() {
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this._hideChildren();
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this.row.removeClass("expanded").addClass("collapsed");
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this.expander.attr("title", this.settings.stringExpand);
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if (this.initialized && this.settings.onNodeCollapse != null) {
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this.settings.onNodeCollapse.apply(this);
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}
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return this;
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};
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Node.prototype.expand = function() {
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if (this.initialized && this.settings.onNodeExpand != null) {
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this.settings.onNodeExpand.apply(this);
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}
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this.row.removeClass("collapsed").addClass("expanded");
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this._showChildren();
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this.expander.attr("title", this.settings.stringCollapse);
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return this;
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};
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Node.prototype.expanded = function() {
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return this.row.hasClass("expanded");
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};
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Node.prototype.hide = function() {
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this._hideChildren();
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this.row.hide();
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return this;
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};
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Node.prototype.isBranchNode = function() {
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if(this.children.length > 0 || this.row.data(this.settings.branchAttr) === true) {
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return true;
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} else {
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return false;
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}
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};
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Node.prototype.level = function() {
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return this.ancestors().length;
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};
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Node.prototype.parentNode = function() {
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if (this.parentId != null) {
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return this.tree[this.parentId];
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} else {
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return null;
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}
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};
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Node.prototype.removeChild = function(child) {
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var i = $.inArray(child, this.children);
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return this.children.splice(i, 1)
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};
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Node.prototype.render = function() {
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var settings = this.settings, target;
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if (settings.expandable === true && this.isBranchNode()) {
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this.indenter.html(this.expander);
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target = settings.clickableNodeNames === true ? this.treeCell : this.expander;
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target.unbind("click.treetable").bind("click.treetable", function(event) {
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$(this).parents("table").treetable("node", $(this).parents("tr").data(settings.nodeIdAttr)).toggle();
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return event.preventDefault();
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});
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}
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if (settings.expandable === true && settings.initialState === "collapsed") {
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this.collapse();
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} else {
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this.expand();
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}
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this.indenter[0].style.marginLeft = "" + (this.level() * settings.indent) + "px";
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return this;
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};
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Node.prototype.reveal = function() {
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if (this.parentId != null) {
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this.parentNode().reveal();
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}
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return this.expand();
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};
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Node.prototype.setParent = function(node) {
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if (this.parentId != null) {
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this.tree[this.parentId].removeChild(this);
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}
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this.parentId = node.id;
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this.row.data(this.settings.parentIdAttr, node.id);
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return node.addChild(this);
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};
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Node.prototype.show = function() {
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if (!this.initialized) {
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this._initialize();
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}
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this.row.show();
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if (this.expanded()) {
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this._showChildren();
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}
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return this;
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};
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Node.prototype.toggle = function() {
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if (this.expanded()) {
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this.collapse();
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} else {
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this.expand();
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}
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return this;
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};
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Node.prototype._hideChildren = function() {
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var child, _i, _len, _ref, _results;
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_ref = this.children;
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_results = [];
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for (_i = 0, _len = _ref.length; _i < _len; _i++) {
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child = _ref[_i];
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_results.push(child.hide());
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}
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return _results;
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};
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Node.prototype._initialize = function() {
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this.render();
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if (this.settings.onNodeInitialized != null) {
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this.settings.onNodeInitialized.apply(this);
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}
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return this.initialized = true;
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};
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Node.prototype._showChildren = function() {
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var child, _i, _len, _ref, _results;
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_ref = this.children;
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_results = [];
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for (_i = 0, _len = _ref.length; _i < _len; _i++) {
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child = _ref[_i];
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_results.push(child.show());
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}
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return _results;
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};
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return Node;
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})();
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Tree = (function() {
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function Tree(table, settings) {
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this.table = table;
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this.settings = settings;
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this.tree = {};
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// Cache the nodes and roots in simple arrays for quick access/iteration
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this.nodes = [];
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this.roots = [];
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}
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Tree.prototype.collapseAll = function() {
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var node, _i, _len, _ref, _results;
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_ref = this.nodes;
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_results = [];
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for (_i = 0, _len = _ref.length; _i < _len; _i++) {
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node = _ref[_i];
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_results.push(node.collapse());
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}
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return _results;
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};
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Tree.prototype.expandAll = function() {
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var node, _i, _len, _ref, _results;
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_ref = this.nodes;
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_results = [];
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for (_i = 0, _len = _ref.length; _i < _len; _i++) {
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node = _ref[_i];
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_results.push(node.expand());
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}
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return _results;
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};
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Tree.prototype.loadRows = function(rows) {
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var node, row, i;
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if (rows != null) {
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for (i = 0; i < rows.length; i++) {
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row = $(rows[i]);
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if (row.data(this.settings.nodeIdAttr) != null) {
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node = new Node(row, this.tree, this.settings);
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this.nodes.push(node);
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this.tree[node.id] = node;
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if (node.parentId != null) {
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this.tree[node.parentId].addChild(node);
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} else {
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this.roots.push(node);
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}
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}
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}
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}
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return this;
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};
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Tree.prototype.render = function() {
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var root, _i, _len, _ref;
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_ref = this.roots;
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for (_i = 0, _len = _ref.length; _i < _len; _i++) {
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root = _ref[_i];
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root.show();
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}
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return this;
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};
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Tree.prototype.unloadBranch = function(node) {
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var child, children, i;
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for (i = 0; i < node.children.length; i++) {
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child = node.children[i];
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// Recursively remove all descendants of +node+
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this.unloadBranch(child);
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// Remove child from DOM (<tr>)
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child.row.remove();
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// Clean up Tree object (so Node objects are GC-ed)
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delete this.tree[child.id];
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this.nodes.splice($.inArray(child, this.nodes), 1)
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}
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// Reset node's collection of children
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node.children = [];
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return this;
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};
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return Tree;
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})();
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// jQuery Plugin
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methods = {
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init: function(options) {
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var settings;
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settings = $.extend({
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branchAttr: "ttBranch",
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clickableNodeNames: false,
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column: 0,
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columnElType: "td", // i.e. 'td', 'th' or 'td,th'
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expandable: false,
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expanderTemplate: "<a href='#'> </a>",
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indent: 19,
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indenterTemplate: "<span class='indenter'></span>",
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initialState: "collapsed",
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nodeIdAttr: "ttId", // maps to data-tt-id
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parentIdAttr: "ttParentId", // maps to data-tt-parent-id
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stringExpand: "Expand",
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stringCollapse: "Collapse",
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// Events
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onInitialized: null,
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onNodeCollapse: null,
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onNodeExpand: null,
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onNodeInitialized: null
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}, options);
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return this.each(function() {
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var el, tree;
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tree = new Tree(this, settings);
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tree.loadRows(this.rows).render();
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el = $(this).addClass("treetable").data("treetable", tree);
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if (settings.onInitialized != null) {
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settings.onInitialized.apply(tree);
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}
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return el;
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});
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},
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destroy: function() {
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return this.each(function() {
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return $(this).removeData("treetable").removeClass("treetable");
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});
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},
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collapseAll: function() {
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this.data("treetable").collapseAll();
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return this;
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},
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collapseNode: function(id) {
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var node = this.data("treetable").tree[id];
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if (node) {
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node.collapse();
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} else {
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throw new Error("Unknown node '" + id + "'");
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}
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return this;
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},
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expandAll: function() {
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this.data("treetable").expandAll();
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return this;
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},
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expandNode: function(id) {
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var node = this.data("treetable").tree[id];
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if (node) {
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node.expand();
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} else {
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throw new Error("Unknown node '" + id + "'");
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}
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return this;
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},
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loadBranch: function(node, rows) {
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rows = $(rows);
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rows.insertAfter(node.row);
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this.data("treetable").loadRows(rows);
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return this;
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},
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node: function(id) {
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return this.data("treetable").tree[id];
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},
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reveal: function(id) {
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var node = this.data("treetable").tree[id];
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if (node) {
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node.reveal();
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} else {
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throw new Error("Unknown node '" + id + "'");
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}
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return this;
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},
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unloadBranch: function(node) {
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this.data("treetable").unloadBranch(node);
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return this;
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}
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};
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$.fn.treetable = function(method) {
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if (methods[method]) {
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return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
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} else if (typeof method === 'object' || !method) {
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return methods.init.apply(this, arguments);
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} else {
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return $.error("Method " + method + " does not exist on jQuery.treetable");
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}
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};
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// Expose classes to world
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this.TreeTable || (this.TreeTable = {});
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this.TreeTable.Node = Node;
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this.TreeTable.Tree = Tree;
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}).call(this);
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