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Introduced parent and parents keywords for binding.

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This commit is contained in:
Nedyalko Nikolov
2015-06-12 09:15:34 +03:00
parent a934fd5cd7
commit 440e5968f2
4 changed files with 200 additions and 7 deletions
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28
ui/builder/binding-builder.ts
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@@ -7,6 +7,9 @@ export module bindingConstants {
export var twoWay = "twoWay";
export var source = "source";
export var bindingValueKey = "$value";
export var parentValueKey = "$parent";
export var parentsValueKey = "$parents";
export var newPropertyValueKey = "$newPropertyValue";
};
var hasEqualSignRegex = /=+/;
@@ -87,9 +90,30 @@ function extractPropertyNameFromExpression(expression: string): string {
}
}
function getParamsArray(value: string) {
var result = [];
var i;
var skipComma = 0;
var indexReached = 0;
for (i = 0; i < value.length; i++) {
if (value[i] === '(' || value[i] === '[') {
skipComma++;
}
if (value[i] === ')' || value[i] === ']') {
skipComma--;
}
if (value[i] === ',' && skipComma === 0) {
result.push(value.substr(indexReached, i - indexReached));
indexReached = i + 1;
}
}
result.push(value.substr(indexReached));
return result;
}
export function getBindingOptions(name: string, value: string): any {
var namedParams = [];
var params = value.split(",");
var params = getParamsArray(value);
if (!areNamedParams(params)) {
if (params.length === 1) {
namedParams.push(bindingConstants.sourceProperty + " = " + extractPropertyNameFromExpression(params[0].trim()));
@@ -100,7 +124,7 @@ export function getBindingOptions(name: string, value: string): any {
namedParams.push(bindingConstants.twoWay + " = true");
}
else {
namedParams.push(bindingConstants.sourceProperty + " = " + extractPropertyNameFromExpression(params[0].trim()));
namedParams.push(bindingConstants.sourceProperty + " = " + params[0].trim());
namedParams.push(bindingConstants.expression + " = " + params[1].trim());
var twoWay = params[2] ? params[2].toLowerCase().trim() === "true" : true;
namedParams.push(bindingConstants.twoWay + " = " + twoWay);