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define(['rz_core'],
function(rz_core) {
function get_rz_core()
{
// circular dependency on rz_core, so require.js cannot solve it.
if (rz_core === undefined) {
rz_core = require('rz_core');
}
return rz_core;
}
var selected_nodes = [];
function byVisitors(node_selector, link_selector) {
var new_selected_nodes = get_rz_core().graph.findByVisitors(node_selector, link_selector);
clear();
connectedComponent(new_selected_nodes);
}
function connectedComponent(nodes) {
var connected = get_rz_core().graph.getConnectedNodesAndLinks(nodes, 1),
i,
node,
link,
data;
selected_nodes = nodes.map(function(x) { return x; });
for (i = 0 ; i < connected.nodes.length ; ++i) {
data = connected.nodes[i];
node = data.node;
switch (data.type) {
case 'exit':
node.state = 'exit';
break;
case 'enter':
node.state = 'enter';
break;
};
}
for (i = 0 ; i < connected.links.length ; ++i) {
data = connected.links[i];
link = data.link;
switch (data.type) {
case 'exit':
link.state = 'exit';
break;
case 'enter':
link.state = 'enter';
break;
};
}
nodes.forEach(function (n) { n.state = 'chosen'; });
}
var node_selected = function(node) {
return node.state == 'chosen' || node.state == 'enter' || node.state == 'exit' || node.state == 'selected'
|| node.state == 'temp' || node.state == 'related';
}
var selected_class = function(node) {
return selected_nodes.length > 0 ? (node_selected(node) ? "selected" : "notselected") : "";
}
var clear = function() {
selected_nodes.length = 0;
get_rz_core().graph.setRegularState();
}
function arr_compare(a1, a2)
{
if (a1.length != a2.length) {
return false;
}
for (var i = 0 ; i < a1.length ; ++i) {
if (a1[i] != a2[i]) {
return false;
}
}
return true;
}
var update = function(nodes) {
var set = !arr_compare(nodes, selected_nodes);
clear();
if (set) {
connectedComponent(nodes);
}
}
return {
byVisitors: byVisitors,
connectedComponent: connectedComponent,
clear: clear,
update: update,
selected_class: selected_class,
node_selected: node_selected,
};
});
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