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don't recreate top-level file list when changing secondary category

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This commit is contained in:
MrOtherGuy 2020-07-18 11:22:31 +03:00
parent cbae4403a0
commit 034ca5929a
1 changed files with 31 additions and 12 deletions
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43
html_resources/selector.js
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@ -45,16 +45,35 @@ function fetchWithType(url){
}); });
} }
let previousCategory = new (function(){ let currentCategory = new (function(){
let current = null; const currentPrimaryNode = null;
this.fileNames = null; const currentSecondaryNode = null;
// TODO make filenames store ONLY the top level fileNames
//
let currentTopLevelFileNames = null;
this.set = function(t,secondary){ this.set = function(t,secondary){
current&&current.classList.remove("currentCategory"); let targetNode;
current = t; if(secondary){
current.classList.add("currentCategory"); targetNode = currentSecondaryNode;
}else{
this.fileNames = DB.query(t.textContent,secondary?this.fileNames:null); targetNode = currentPrimaryNode;
}
targetNode && targetNode.classList.remove("currentCategory");
targetNode = t;
targetNode.classList.add("currentCategory");
!secondary && currentTopLevelFileNames = DB.query(t.textContent);
//this.fileNames = DB.query(t.textContent,secondary?this.fileNames:null);
}; };
this.getFileNames = function(node,secondary){
if(secondary){
return DB.query(node.textContent,currentTopLevelFileNames)
}
return currentTopLevelFileNames
}
return this return this
})() })()
@ -82,16 +101,16 @@ function getSecondaryCategories(list){
async function onCategoryClicked(categoryNode,isSecondary = false){ async function onCategoryClicked(categoryNode,isSecondary = false){
previousCategory.set(categoryNode,isSecondary); currentCategory.set(categoryNode,isSecondary);
// Using textContent is bad but meh // Using textContent is bad but meh
//let names = DB.query(categoryNode.textContent); //let names = DB.query(categoryNode.textContent);
let secondaryCategoriesNode = document.querySelector("#secondaryCategories"); let secondaryCategoriesNode = document.querySelector("#secondaryCategories");
if(!isSecondary){ if(!isSecondary){
let fileNames = currentCategory.getFileNames(categoryNode,false);
if(previousCategory.fileNames.length > 9){ if(fileNames.length > 9){
let matchingSecondaries = getSecondaryCategories(previousCategory.fileNames); let matchingSecondaries = getSecondaryCategories(fileNames);
for(let child of Array.from(secondaryCategories.children)){ for(let child of Array.from(secondaryCategories.children)){
matchingSecondaries.includes(child.textContent) ? child.classList.remove("hidden") : child.classList.add("hidden") matchingSecondaries.includes(child.textContent) ? child.classList.remove("hidden") : child.classList.add("hidden")
} }