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refactoring

This commit is contained in:
Roland Gruber 2019-07-24 21:32:25 +02:00
parent 29a7b0c3e0
commit 778fde3357
1 changed files with 27 additions and 18 deletions
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45
lam/templates/lib/500_lam.js
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@ -1120,27 +1120,36 @@ window.lam.dynamicSelect.activate = function() {
var dynamicSelects = jQuery('.lam-dynamicOptions'); var dynamicSelects = jQuery('.lam-dynamicOptions');
dynamicSelects.each(function() { dynamicSelects.each(function() {
var selectField = jQuery(this); var selectField = jQuery(this);
selectField.data('option-height', selectField.find("option").height()); window.lam.dynamicSelect.initSelect(selectField);
selectField.data('select-height', selectField.height());
selectField.data('select-last-scroll-top', 0);
selectField.data('select-current-scroll', 0);
selectField.html('');
var options = selectField.data('dynamic-options');
var maxOptions = 3000;
var numOfOptionBeforeToLoadNextSet = 10;
var numberOfOptionsToLoad = 200;
for (var i = 0; i < maxOptions; i++) {
selectField.append(window.lam.dynamicSelect.createOption(options[i], i));
}
if (options.length > maxOptions) {
// activate scrolling logic only if enough options are set
selectField.scroll(function(event) {
window.lam.dynamicSelect.onScroll(selectField, event, maxOptions, numOfOptionBeforeToLoadNextSet, numberOfOptionsToLoad);
});
}
}); });
} }
/**
* Sets up a select field for dynamic scrolling.
*
* @param selectField select
*/
window.lam.dynamicSelect.initSelect = function(selectField) {
selectField.data('option-height', selectField.find("option").height());
selectField.data('select-height', selectField.height());
selectField.data('select-last-scroll-top', 0);
selectField.data('select-current-scroll', 0);
selectField.html('');
var options = selectField.data('dynamic-options');
var maxOptions = 3000;
var numOfOptionBeforeToLoadNextSet = 10;
var numberOfOptionsToLoad = 200;
for (var i = 0; i < maxOptions; i++) {
selectField.append(window.lam.dynamicSelect.createOption(options[i], i));
}
if (options.length > maxOptions) {
// activate scrolling logic only if enough options are set
selectField.scroll(function(event) {
window.lam.dynamicSelect.onScroll(selectField, event, maxOptions, numOfOptionBeforeToLoadNextSet, numberOfOptionsToLoad);
});
}
}
/** /**
* Creates an option field inside the select. * Creates an option field inside the select.
* *