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This commit is contained in:
Ahmed Zamil
2021-11-15 00:11:12 +03:00
parent 589c4f3227
commit e52b89fb4d
13 changed files with 213 additions and 41 deletions
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10
src/Core/Binding.js
View File

@ -59,11 +59,19 @@ export class Binding {
isAsync = true;
attrType = AttributeBindingDestination.Field;
attrKey = nodeOrAttributeOrIUIElement.name.substr(6);
// skip scope
// if (attrKey == "scope")
// return null;
}
else if (nodeOrAttributeOrIUIElement.name.startsWith(":")) {
isAsync = false;
attrType = AttributeBindingDestination.Field;
attrKey = nodeOrAttributeOrIUIElement.name.substr(1);
// skip scope
// if (attrKey == "scope")
// return null;
}
else {
return null;
@ -151,7 +159,7 @@ export class Binding {
try {
let d = this.func.apply(thisArg, [proxy, proxy, {}, true
, ...this.scopeKeys]);
, ...this.scopeValues]);
this.map = map;
return d;

16
src/Core/BindingList.js
View File

@ -5,6 +5,22 @@ export default class BindingList extends Array {
super();
this.target = target;
this.scope = scope;
this.events = [];
}
destroy(){
for(var i = 0; i < this.length; i++)
this[i].unbind();
this.scope = {};
this.target = null;
for(var i = 0; i < this.events.length; i++)
this.target.removeEventListener(this.events[i].name, this.events[i].handle);
}
addEvent(name, handle)
{
this.target.addEventListener(name, handle);
this.events.push({name, handle})
}
getArgumentsNames(){

103
src/Core/IUI.js
View File

@ -161,7 +161,7 @@ export class IUI {
if (scope == null)
scope = {};
scope = {};
// get refs before they get overwritten
//let refs = scope?.refs;
@ -169,6 +169,25 @@ export class IUI {
// some element extended or overwritten the binding arguments
if (element.scope != null)
IUI.extend(scope, element.scope, true);
else if (element.hasAttribute(":scope"))
{
let script = element.getAttribute(":scope");
let code = `try {\r\n context.value = ${script}; \r\n}\r\n catch(ex) { context.error = ex; }`
let func = new Function("context", code);
let context = {};
func.call(element, context);
if (context.error != undefined)
console.log("Scope binding failed", context.error.name + ": " + context.error.message, this.script, this.target);
else if (context.value != undefined
&& context.value instanceof Object)
IUI.extend(scope, context.value, true);
}
let scopeArgs = Object.keys(scope);
let scopeValues = Object.values(scope);
bindings = new BindingList(element, scope);
@ -182,22 +201,42 @@ export class IUI {
}
else
{
element.__i_bindings?.destroy();
// compile attributes
for (var i = 0; i < element.attributes.length; i++) {
let b = Binding.create(element.attributes[i],
bindings.scope);
// skip scope
if (element.attributes[i].name == ":scope")
continue;
if (b != null) {
if (b.type == BindingType.HTMLElementDataAttribute
|| b.type == BindingType.IUIElementDataAttribute)
element.dataMap = b;
else if (b.type == BindingType.RevertAttribute)
element.revertMap = b;
else
bindings.push(b);
}
if (element.attributes[i].name.startsWith("@")){
// make events
let code = element.attributes[i].value;
//let code = `try {\r\n context.value = ${script}; \r\n}\r\n catch(ex) { context.error = ex; }`
let func = new Function("event", ...scopeArgs, code);
let handler = (event) => {
func.call(element, event, ...scopeValues);
}
bindings.addEvent(element.attributes[i].name.substr(1), handler);
}
else
{
let b = Binding.create(element.attributes[i],
bindings.scope);
if (b != null) {
if (b.type == BindingType.HTMLElementDataAttribute
|| b.type == BindingType.IUIElementDataAttribute)
element.dataMap = b;
else if (b.type == BindingType.RevertAttribute)
element.revertMap = b;
else
bindings.push(b);
}
}
}
@ -218,8 +257,6 @@ export class IUI {
// }
}
// get new refs (scope might been overwritten)
//refs = scope?.refs;
@ -230,6 +267,31 @@ export class IUI {
// @TODO: check if the IUI element handles the binding
IUI.bind(el, false, sourcePath, scope);
}
else if (el instanceof HTMLScriptElement)
{
try
{
// this because HTML parser don't evaluate script tag
/// let func = new Function("//# sourceURL=iui://" + sourcePath + "-" + Math.round(Math.random() * 10000) + "\r\n return " + el.text.trim());
let func = new Function(...scopeArgs,
"//# sourceURL=iui://" + sourcePath + "-"
+ Math.round(Math.random() * 10000)
+ "\r\n" + el.text.trim());
let rt = func.apply(el.parentElement, scopeValues);
console.log("rt", rt);
if (typeof (rt) === "object") {
for (var k in rt)
el.parentElement[k] = rt[k];
}
}
catch (ex) {
console.log(ex);
}
}
else if (el instanceof HTMLElement) {
IUI.bind(el, false, sourcePath, scope);
}
@ -238,19 +300,6 @@ export class IUI {
if (b != null)
bindings.push(b);
}
else if (el instanceof HTMLScriptElement)
{
// this because HTML parser don't evaluate script tag
/// let func = new Function("//# sourceURL=iui://" + sourcePath + "-" + Math.round(Math.random() * 10000) + "\r\n return " + el.text.trim());
let func = new Function("//# sourceURL=iui://" + sourcePath + "-" + Math.round(Math.random() * 10000) + "\r\n" + el.text.trim());
let rt = func.call(el.parentElement);
if (typeof (rt) === "object") {
for (var k in rt)
el.parentElement[k] = rt[k];
}
}
}
element.__i_bindings = bindings;

2
src/Core/IUIElement.js
View File

@ -172,6 +172,7 @@ export default class IUIElement extends HTMLElement {
_register(event) {
this._events.push(event);
/*
if (this.hasAttribute("@" + event)) {
let handler = this.getAttribute("@" + event);
if (handler.match(/^[A-Za-z\$_]+(?:[\$_][A-Za-z0-9]+)*$/g) === null) {
@ -196,6 +197,7 @@ export default class IUIElement extends HTMLElement {
}
}
}
*/
}
off(event, func) {

12
src/Core/RefsCollection.js
View File

@ -6,14 +6,15 @@ export default class RefsCollection
this._rootElement = rootElement;
}
_build(element) {
_build(element, append) {
if (element == undefined)
element = this._rootElement;
for(var i in this)
if (i != "_rootElement" && i != "_build")
delete this[i];
if (!append)
for(var i in this)
if (i != "_rootElement" && i != "_build")
delete this[i];
for(var i = 0; i < element.children.length; i++)
{
@ -33,14 +34,13 @@ export default class RefsCollection
var firstRef = this[ref];
this[ref] =[firstRef, child];
}
}
if (child.refs != undefined)
// opt out if the element handles referencing
break;
else
this._build(child);
this._build(child, true);
}
}
}