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Code Issues Releases Wiki Activity

Slight optimisation to user defined widgets

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jeremy@jermolene.com 2022-09-24 12:41:28 +01:00
parent fddaa9fdb1
commit 1aba8a1f65
1 changed files with 23 additions and 19 deletions
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42
core/modules/widgets/widget.js
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@ -501,25 +501,29 @@ Widget.prototype.makeChildWidget = function(parseTreeNode,options) {
var self = this;
options = options || {};
// Check whether this node type is defined by a custom widget definition
var variableDefinitionName = "$" + parseTreeNode.type,
variableInfo = this.getVariableInfo(variableDefinitionName,{allowSelfAssigned: true}),
isOverrideable = function() {
// Widget is overrideable if it has a double dollar user defined name, or if it is an existing JS widget and we're not in safe mode
return parseTreeNode.type.charAt(0) === "$" || (!!self.widgetClasses[parseTreeNode.type] && !$tw.safeMode);
};
if(!parseTreeNode.isNotRemappable && isOverrideable() && variableInfo && variableInfo.srcVariable && variableInfo.srcVariable.value && variableInfo.srcVariable.isWidgetDefinition) {
var newParseTreeNode = {
type: "transclude",
children: parseTreeNode.children,
isBlock: parseTreeNode.isBlock
};
$tw.utils.addAttributeToParseTreeNode(newParseTreeNode,"$variable",variableDefinitionName);
$tw.utils.each(parseTreeNode.attributes,function(attr,name) {
// If the attribute starts with a dollar then add an extra dollar so that it doesn't clash with the $xxx attributes of transclude
name = name.charAt(0) === "$" ? "$" + name : name;
$tw.utils.addAttributeToParseTreeNode(newParseTreeNode,$tw.utils.extend({},attr,{name: name}));
});
parseTreeNode = newParseTreeNode;
var variableDefinitionName = "$" + parseTreeNode.type;
if(this.variables[variableDefinitionName]) {
var isOverrideable = function() {
// Widget is overrideable if it has a double dollar user defined name, or if it is an existing JS widget and we're not in safe mode
return parseTreeNode.type.charAt(0) === "$" || (!!self.widgetClasses[parseTreeNode.type] && !$tw.safeMode);
};
if(!parseTreeNode.isNotRemappable && isOverrideable()) {
var variableInfo = this.getVariableInfo(variableDefinitionName,{allowSelfAssigned: true});
if(variableInfo && variableInfo.srcVariable && variableInfo.srcVariable.value && variableInfo.srcVariable.isWidgetDefinition) {
var newParseTreeNode = {
type: "transclude",
children: parseTreeNode.children,
isBlock: parseTreeNode.isBlock
};
$tw.utils.addAttributeToParseTreeNode(newParseTreeNode,"$variable",variableDefinitionName);
$tw.utils.each(parseTreeNode.attributes,function(attr,name) {
// If the attribute starts with a dollar then add an extra dollar so that it doesn't clash with the $xxx attributes of transclude
name = name.charAt(0) === "$" ? "$" + name : name;
$tw.utils.addAttributeToParseTreeNode(newParseTreeNode,$tw.utils.extend({},attr,{name: name}));
});
parseTreeNode = newParseTreeNode;
}
}
}
// Get the widget class for this node type
var WidgetClass = this.widgetClasses[parseTreeNode.type];