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define(['jquery', 'rz_core', 'view/selection'],
function($, rz_core, selection) {
function get_graph_view(element)
{
var dict = rz_core.root_element_id_to_graph_view;
while (undefined !== element && null !== element && undefined === dict[element.id]) {
element = element.parentElement;
}
return element !== undefined && element !== null ? dict[element.id] : undefined;
}
function install() {
document.body.onkeydown = function(e) {
var key = ((e.key && String(e.key))
|| (e.charCode && String.fromCharCode(e.charCode))
|| (e.which && String.fromCharCode(e.which))).toLowerCase(),
handled = false,
graph_view = get_graph_view(e.target);
if (e.altKey && e.ctrlKey && 'i' === key) {
$('#textanalyser').focus();
}
if (e.ctrlKey && '9' === key) {
rz_core.main_graph_view.nodes__user_visible(selection.related_nodes(), true);
handled = true;
}
if (e.ctrlKey && '0' === key) {
if (!selection.is_empty()) {
rz_core.main_graph_view.zen_mode__toggle();
}
handled = true;
}
if (e.altKey && e.ctrlKey && 'o' === key) {
search.focus();
handled = true;
}
if (e.ctrlKey && 'a' === key && e.target === document.body) {
selection.select_nodes(rz_core.main_graph.nodes());
handled = true;
}
if (e.ctrlKey && 'z' === key && e.target.nodeName !== 'INPUT') {
// TODO: rz_core.main_graph.undo();
}
// SVG elements cannot handle any keys directly - pass the key to them in this case
if (undefined !== graph_view) {
graph_view.keyboard_handler(e);
}
if (handled) {
e.preventDefault();
e.stopPropagation();
}
};
}
return {
install: install
};
}
);
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