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var $, SelectNodeHandler;
$ = jQuery;
SelectNodeHandler = (function() {
function SelectNodeHandler(tree_widget) {
this.tree_widget = tree_widget;
this.clear();
}
SelectNodeHandler.prototype.getSelectedNode = function() {
var selected_nodes;
selected_nodes = this.getSelectedNodes();
if (selected_nodes.length) {
return selected_nodes[0];
} else {
return false;
}
};
SelectNodeHandler.prototype.getSelectedNodes = function() {
var id, node, selected_nodes;
if (this.selected_single_node) {
return [this.selected_single_node];
} else {
selected_nodes = [];
for (id in this.selected_nodes) {
node = this.tree_widget.getNodeById(id);
if (node) {
selected_nodes.push(node);
}
}
return selected_nodes;
}
};
SelectNodeHandler.prototype.getSelectedNodesUnder = function(parent) {
var id, node, selected_nodes;
if (this.selected_single_node) {
if (parent.isParentOf(this.selected_single_node)) {
return [this.selected_single_node];
} else {
return [];
}
} else {
selected_nodes = [];
for (id in this.selected_nodes) {
node = this.tree_widget.getNodeById(id);
if (node && parent.isParentOf(node)) {
selected_nodes.push(node);
}
}
return selected_nodes;
}
};
SelectNodeHandler.prototype.isNodeSelected = function(node) {
if (!node) {
return false;
} else if (node.id) {
if (this.selected_nodes[node.id]) {
return true;
} else {
return false;
}
} else if (this.selected_single_node) {
return this.selected_single_node.element === node.element;
} else {
return false;
}
};
SelectNodeHandler.prototype.clear = function() {
this.selected_nodes = {};
return this.selected_single_node = null;
};
SelectNodeHandler.prototype.removeFromSelection = function(node, include_children) {
if (include_children == null) {
include_children = false;
}
if (!node.id) {
if (this.selected_single_node && node.element === this.selected_single_node.element) {
return this.selected_single_node = null;
}
} else {
delete this.selected_nodes[node.id];
if (include_children) {
return node.iterate((function(_this) {
return function(n) {
delete _this.selected_nodes[node.id];
return true;
};
})(this));
}
}
};
SelectNodeHandler.prototype.addToSelection = function(node) {
if (node.id) {
return this.selected_nodes[node.id] = true;
} else {
return this.selected_single_node = node;
}
};
return SelectNodeHandler;
})();
module.exports = SelectNodeHandler;
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