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behavior-workflow.js
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/**
* @provides javelin-behavior-workflow
* @requires javelin-behavior
* javelin-stratcom
* javelin-workflow
* javelin-dom
* javelin-router
*/
JX.behavior('workflow', function() {
// Queue a workflow at elevated priority. The user just clicked or submitted
// something, so service this before loading background content.
var queue = function(workflow) {
var routable = workflow.getRoutable()
.setPriority(2000)
.setType('workflow');
JX.Router.getInstance().queue(routable);
};
// If a user clicks an alternate submit button, make sure it gets marshalled
// into the workflow.
JX.Stratcom.listen(
'click',
['workflow', 'tag:form', 'alternate-submit-button'],
function(e) {
e.prevent();
var target = e.getNode('alternate-submit-button');
var form = e.getNode('tag:form');
var button = {};
button[target.name] = target.value || true;
JX.DOM.invoke(form, 'didSyntheticSubmit', {extra: button});
});
// Listen for both real and synthetic submit events.
JX.Stratcom.listen(
['submit', 'didSyntheticSubmit'],
['workflow', 'tag:form'],
function(e) {
if (JX.Stratcom.pass()) {
return;
}
var data = e.getData();
var extra = (data && data.extra) || {};
// NOTE: We activate workflow if any parent node has the "workflow" sigil,
// not just the <form /> itself.
e.prevent();
queue(JX.Workflow.newFromForm(e.getNode('tag:form'), extra));
});
JX.Stratcom.listen(
'click',
['workflow', 'tag:a'],
function(e) {
if (!e.isNormalClick()) {
return;
}
// NOTE: As above, we want to activate workflow if a parent node has
// the sigil, not just the <a /> that the user clicked. However, there
// is an exception in this case: if the <a /> does not have workflow and
// is inside a <form /> which does, we don't workflow it (this covers
// things like "help" links in captions). Test if the node with the
// workflow sigil is a form.
var workflow_node = e.getNode('workflow');
if (JX.DOM.isType(workflow_node, 'form')) {
// This covers the case of an <a /> without workflow inside a <form />
// with workflow.
return;
}
if (JX.Stratcom.pass()) {
return;
}
e.prevent();
queue(JX.Workflow.newFromLink(e.getNode('tag:a')));
});
});

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