(scope, attrs, destination, bindings, directive)
| 11347 | |
| 11348 | // Set up $watches for isolate scope and controller bindings. |
| 11349 | function initializeDirectiveBindings(scope, attrs, destination, bindings, directive) { |
| 11350 | var removeWatchCollection = []; |
| 11351 | var initialChanges = {}; |
| 11352 | var changes; |
| 11353 | |
| 11354 | forEach(bindings, function initializeBinding(definition, scopeName) { |
| 11355 | var attrName = definition.attrName, |
| 11356 | optional = definition.optional, |
| 11357 | mode = definition.mode, // @, =, <, or & |
| 11358 | lastValue, |
| 11359 | parentGet, parentSet, compare, removeWatch; |
| 11360 | |
| 11361 | switch (mode) { |
| 11362 | |
| 11363 | case '@': |
| 11364 | if (!optional && !hasOwnProperty.call(attrs, attrName)) { |
| 11365 | strictBindingsCheck(attrName, directive.name); |
| 11366 | destination[scopeName] = attrs[attrName] = undefined; |
| 11367 | |
| 11368 | } |
| 11369 | removeWatch = attrs.$observe(attrName, function(value) { |
| 11370 | if (isString(value) || isBoolean(value)) { |
| 11371 | var oldValue = destination[scopeName]; |
| 11372 | recordChanges(scopeName, value, oldValue); |
| 11373 | destination[scopeName] = value; |
| 11374 | } |
| 11375 | }); |
| 11376 | attrs.$$observers[attrName].$$scope = scope; |
| 11377 | lastValue = attrs[attrName]; |
| 11378 | if (isString(lastValue)) { |
| 11379 | // If the attribute has been provided then we trigger an interpolation to ensure |
| 11380 | // the value is there for use in the link fn |
| 11381 | destination[scopeName] = $interpolate(lastValue)(scope); |
| 11382 | } else if (isBoolean(lastValue)) { |
| 11383 | // If the attributes is one of the BOOLEAN_ATTR then AngularJS will have converted |
| 11384 | // the value to boolean rather than a string, so we special case this situation |
| 11385 | destination[scopeName] = lastValue; |
| 11386 | } |
| 11387 | initialChanges[scopeName] = new SimpleChange(_UNINITIALIZED_VALUE, destination[scopeName]); |
| 11388 | removeWatchCollection.push(removeWatch); |
| 11389 | break; |
| 11390 | |
| 11391 | case '=': |
| 11392 | if (!hasOwnProperty.call(attrs, attrName)) { |
| 11393 | if (optional) break; |
| 11394 | strictBindingsCheck(attrName, directive.name); |
| 11395 | attrs[attrName] = undefined; |
| 11396 | } |
| 11397 | if (optional && !attrs[attrName]) break; |
| 11398 | |
| 11399 | parentGet = $parse(attrs[attrName]); |
| 11400 | if (parentGet.literal) { |
| 11401 | compare = equals; |
| 11402 | } else { |
| 11403 | compare = simpleCompare; |
| 11404 | } |
| 11405 | parentSet = parentGet.assign || function() { |
| 11406 | // reset the change, or we will throw this exception on every $digest |
no test coverage detected