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Fix refreshing transcluded functions (#7755)

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We store the previous result of the filter function and recalculate it
when the transclude widget needs to be refreshed, refreshing the widget
if the result is different.
This commit is contained in:
Robin Munn
2023-09-30 22:36:04 +07:00
committed by GitHub
parent 2c406da823
commit e0f4ef6cff
1 changed files with 19 additions and 6 deletions
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25
core/modules/widgets/transclude.js
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@@ -109,6 +109,7 @@ TranscludeWidget.prototype.collectAttributes = function() {
this.recursionMarker = this.getAttribute("recursionMarker","yes");
} else {
this.transcludeVariable = this.getAttribute("$variable");
this.transcludeVariableIsFunction = false;
this.transcludeType = this.getAttribute("$type");
this.transcludeOutput = this.getAttribute("$output","text/html");
this.transcludeTitle = this.getAttribute("$tiddler",this.getVariable("currentTiddler"));
@@ -184,7 +185,9 @@ TranscludeWidget.prototype.getTransclusionTarget = function() {
if(this.transcludeVariable) {
// Transcluding a variable
var variableInfo = this.getVariableInfo(this.transcludeVariable,{params: this.getOrderedTransclusionParameters()});
this.transcludeVariableIsFunction = variableInfo.srcVariable && variableInfo.srcVariable.isFunctionDefinition;
text = variableInfo.text;
this.transcludeFunctionResult = text;
return {
text: variableInfo.text,
type: this.transcludeType
@@ -219,21 +222,24 @@ TranscludeWidget.prototype.parseTransclusionTarget = function(parseAsInline) {
// Transcluding a variable
var variableInfo = this.getVariableInfo(this.transcludeVariable,{params: this.getOrderedTransclusionParameters()}),
srcVariable = variableInfo && variableInfo.srcVariable;
if(srcVariable && srcVariable.isFunctionDefinition) {
this.transcludeVariableIsFunction = true;
this.transcludeFunctionResult = (variableInfo.resultList ? variableInfo.resultList[0] : variableInfo.text) || "";
}
if(variableInfo.text) {
if(srcVariable && srcVariable.isFunctionDefinition) {
var result = (variableInfo.resultList ? variableInfo.resultList[0] : variableInfo.text) || "";
parser = {
tree: [{
type: "text",
text: result
text: this.transcludeFunctionResult
}],
source: result,
source: this.transcludeFunctionResult,
type: "text/vnd.tiddlywiki"
};
if(parseAsInline) {
parser.tree[0] = {
type: "text",
text: result
text: this.transcludeFunctionResult
};
} else {
parser.tree[0] = {
@@ -241,7 +247,7 @@ TranscludeWidget.prototype.parseTransclusionTarget = function(parseAsInline) {
tag: "p",
children: [{
type: "text",
text: result
text: this.transcludeFunctionResult
}]
}
}
@@ -430,12 +436,19 @@ TranscludeWidget.prototype.parserNeedsRefresh = function() {
return (this.sourceText === undefined || parserInfo.sourceText !== this.sourceText || parserInfo.parserType !== this.parserType)
};
TranscludeWidget.prototype.functionNeedsRefresh = function() {
var oldResult = this.transcludeFunctionResult;
var variableInfo = this.getVariableInfo(this.transcludeVariable,{params: this.getOrderedTransclusionParameters()});
var newResult = (variableInfo.resultList ? variableInfo.resultList[0] : variableInfo.text) || "";
return oldResult !== newResult;
}
/*
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
*/
TranscludeWidget.prototype.refresh = function(changedTiddlers) {
var changedAttributes = this.computeAttributes();
if(($tw.utils.count(changedAttributes) > 0) || (!this.transcludeVariable && changedTiddlers[this.transcludeTitle] && this.parserNeedsRefresh())) {
if(($tw.utils.count(changedAttributes) > 0) || (this.transcludeVariableIsFunction && this.functionNeedsRefresh()) || (!this.transcludeVariable && changedTiddlers[this.transcludeTitle] && this.parserNeedsRefresh())) {
this.refreshSelf();
return true;
} else {