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behavior-policy-rule-editor.js
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behavior-policy-rule-editor.js
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/**
* @provides javelin-behavior-policy-rule-editor
* @requires javelin-behavior
* multirow-row-manager
* javelin-dom
* javelin-util
* phabricator-prefab
* javelin-tokenizer
* javelin-typeahead
* javelin-typeahead-preloaded-source
* javelin-json
*/
JX.behavior('policy-rule-editor', function(config) {
var root = JX.$(config.rootID);
var rows = [];
var data = {};
JX.DOM.listen(
root,
'click',
'create-rule',
function(e) {
e.kill();
new_rule(config.defaultRule);
});
JX.DOM.listen(
root,
'change',
'rule-select',
function(e) {
e.kill();
var row = e.getNode(JX.MultirowRowManager.getRowSigil());
var row_id = rules_manager.getRowID(row);
data[row_id].rule = data[row_id].ruleNode.value;
data[row_id].value = null;
redraw(row_id);
});
JX.DOM.listen(
JX.DOM.findAbove(root, 'form'),
['submit', 'didWorkflowSubmit'],
null,
function(e) {
var rules = JX.DOM.find(e.getNode('tag:form'), 'input', 'rules');
var value = [];
for (var ii = 0; ii < rows.length; ii++) {
var row_data = data[rows[ii]];
var row_dict = {
action: row_data.actionNode.value,
rule: row_data.rule,
value: row_data.getValue()
};
value.push(row_dict);
}
rules.value = JX.JSON.stringify(value);
});
var rules_table = JX.DOM.find(root, 'table', 'rules');
var rules_manager = new JX.MultirowRowManager(rules_table);
rules_manager.listen(
'row-removed',
function(row_id) {
delete data[row_id];
for (var ii = 0; ii < rows.length; ii++) {
if (rows[ii] == row_id) {
rows.splice(ii, 1);
break;
}
}
});
function new_rule(spec) {
var row = rules_manager.addRow([]);
var row_id = rules_manager.getRowID(row);
rows.push(row_id);
data[row_id] = JX.copy({}, spec);
redraw(row_id);
}
function redraw(row_id) {
var action_content = JX.Prefab.renderSelect(
config.actions,
data[row_id].action);
data[row_id].actionNode = action_content;
var action_cell = JX.$N('td', {className: 'action-cell'}, action_content);
var rule_content = JX.Prefab.renderSelect(
config.rules,
data[row_id].rule,
{sigil: 'rule-select'});
data[row_id].ruleNode = rule_content;
var rule_cell = JX.$N('td', {className: 'rule-cell'}, rule_content);
var input = render_input(data[row_id].rule, null);
var value_content = input.node;
data[row_id].getValue = input.get;
input.set(data[row_id].value);
var value_cell = JX.$N('td', {className: 'value-cell'}, value_content);
rules_manager.updateRow(row_id, [action_cell, rule_cell, value_cell]);
}
function render_input(rule, value) {
var node, get_fn, set_fn;
var type = config.types[rule];
var template = config.templates[rule];
switch (type) {
case 'tokenizer':
node = JX.$H(template.markup).getNode();
node.id = '';
var datasource = new JX.TypeaheadPreloadedSource(template.uri);
var typeahead = new JX.Typeahead(node);
typeahead.setDatasource(datasource);
var tokenizer = new JX.Tokenizer(node);
tokenizer.setLimit(template.limit);
tokenizer.setTypeahead(typeahead);
tokenizer.setPlaceholder(template.placeholder);
tokenizer.start();
get_fn = function() { return JX.keys(tokenizer.getTokens()); };
set_fn = function(map) {
if (!map) {
return;
}
for (var k in map) {
tokenizer.addToken(k, map[k]);
}
};
break;
case 'none':
node = null;
get_fn = JX.bag;
set_fn = JX.bag;
break;
case 'select':
node = JX.Prefab.renderSelect(
config.templates[rule].options,
value);
get_fn = function() { return node.value; };
set_fn = function(v) { node.value = v; };
break;
default:
case 'text':
node = JX.$N('input', {type: 'text'});
get_fn = function() { return node.value; };
set_fn = function(v) { node.value = v; };
break;
}
return {
node: node,
get: get_fn,
set: set_fn
};
}
for (var ii = 0; ii < config.data.length; ii++) {
new_rule(config.data[ii]);
}
});

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