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avm2: GroupElement TLF improvements

This commit is contained in:
Tom Schuster 2023-11-01 23:18:01 +01:00 committed by Nathan Adams
parent c4d0084809
commit 1e5e80aa2c
1 changed files with 43 additions and 11 deletions
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54
core/src/avm2/globals/flash/text/engine/GroupElement.as
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@ -15,6 +15,17 @@ package flash.text.engine {
return this._elements.length;
}
public function getElementAt(index:int):ContentElement {
if (index < 0 || index >= this._elements.length) {
throw new RangeError("Error #2006: The supplied index is out of bounds.", 2006);
}
return this._elements[index];
}
public function getElementIndex(element:ContentElement):int {
return this._elements.indexOf(element);
}
public function setElements(elements:Vector.<ContentElement>):void {
if (elements == null) {
this._elements = new Vector.<ContentElement>();
@ -24,18 +35,39 @@ package flash.text.engine {
}
public function replaceElements(beginIndex:int, endIndex:int, newElements:Vector.<ContentElement>):Vector.<ContentElement> {
if (beginIndex == endIndex && newElements.length == 1) {
if (beginIndex == this._elements.length) {
this._elements.push(newElements[0]);
} else if (beginIndex < this._elements.length) {
this._elements[beginIndex] = newElements[0];
} else {
throw new RangeError("Error #2006: The supplied index is out of bounds.", 2006);
}
} else {
stub_method("flash.text.engine.GroupElement", "replaceElements", "with beginIndex != endIndex or newElements.length != 1");
return new Vector.<ContentElement>();
// This some sort of special case that doesn't throw.
if (beginIndex == endIndex && newElements == null) {
return null;
}
if (beginIndex < 0 || beginIndex > this._elements.length ||
endIndex < 0 || endIndex > this._elements.length) {
throw new RangeError("Error #2006: The supplied index is out of bounds.", 2006);
}
var old = this._elements.AS3::splice(beginIndex, endIndex - beginIndex);
if (newElements) {
for (var i = 0; i < newElements.length; i++) {
this._elements.AS3::insertAt(beginIndex + i, newElements[i]);
}
}
return old;
}
public function splitTextElement(elementIndex:int, splitIndex:int): TextElement {
var element = getElementAt(elementIndex);
if (!(element instanceof TextElement)) {
throw new ArgumentError("Error #2004: One of the parameters is invalid.", 2004);
}
var text = element.text;
if (splitIndex < 0 || splitIndex >= text.length) {
throw new RangeError("Error #2006: The supplied index is out of bounds.", 2006);
}
element.text = text.slice(0, splitIndex);
var newTextElement = new TextElement(text.slice(splitIndex));
this._elements.AS3::insertAt(elementIndex + 1, newTextElement);
return newTextElement;
}
// FIXME: This is wrong, FP doesn't do an override of `get text` in GroupElement