Use url query string to store item search queries
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parent
8fc374e4c0
commit
60451e8f78
1 changed files with 35 additions and 7 deletions
42
items.js
42
items.js
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@ -8,9 +8,13 @@ class ExprField {
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this.text = null;
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}
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get value() {
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return this.field.value;
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}
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compile() {
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if (this.field.value === this.text) return;
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this.text = this.field.value;
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if (this.value === this.text) return false;
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this.text = this.value;
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this.errorText.innerText = '';
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try {
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this.output = this.compiler(this.text);
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@ -18,6 +22,7 @@ class ExprField {
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this.errorText.innerText = e.message;
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this.output = null;
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}
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return true;
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}
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}
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@ -89,10 +94,14 @@ function init() {
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itemListFooter.innerText = '';
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for (const itemEntry of itemEntries) itemEntry.style.display = 'none';
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// compile query expressions, aborting if either fails to compile
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searchFilterField.compile();
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searchSortField.compile();
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if (searchFilterField.output === null || searchSortField.output === null) return;
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// compile query expressions, aborting if nothing has changed or either fails to compile
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const changed = searchFilterField.compile() | searchSortField.compile();
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if (!changed || searchFilterField.output === null || searchSortField.output === null) return;
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// update url query string
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const newUrl = `${window.location.protocol}//${window.location.host}${window.location.pathname}`
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+ `?f=${encodeURIComponent(searchFilterField.value)}&s=${encodeURIComponent(searchSortField.value)}`;
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window.history.pushState({ path: newUrl }, '', newUrl);
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// index and sort search results
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const searchResults = [];
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@ -158,8 +167,27 @@ function init() {
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searchFilterField.field.addEventListener('input', e => scheduleSearchUpdate());
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searchSortField.field.addEventListener('input', e => scheduleSearchUpdate());
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// display initial items and focus the filter field
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// parse query string, display initial search results
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if (window.location.search.startsWith('?')) {
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for (const entryStr of window.location.search.substring(1).split('&')) {
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const ndx = entryStr.indexOf('=');
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if (ndx !== -1) {
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console.log(entryStr.substring(0, ndx));
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console.log(entryStr.substring(ndx + 1));
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switch (entryStr.substring(0, ndx)) {
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case 'f':
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searchFilterField.field.value = decodeURIComponent(entryStr.substring(ndx + 1));
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break;
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case 's':
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searchSortField.field.value = decodeURIComponent(entryStr.substring(ndx + 1));
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break;
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}
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}
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}
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}
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updateSearch();
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// focus the query filter text box
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searchFilterField.field.focus();
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searchFilterField.field.select();
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}
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