45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
(function(window) {
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window.ls.container.get("view").add({
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selector: "data-paging-back",
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controller: function(element, container, expression, env) {
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let paths = [];
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let limit = env.PAGING_LIMIT;
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let check = function() {
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let offset = parseInt(
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expression.parse(element.dataset["offset"]) || "0"
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);
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paths = paths.concat(expression.getPaths());
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if (offset - limit < 0) {
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element.disabled = true;
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} else {
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const newOffset = offset - limit;
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element.disabled = false;
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element.value = 'limit(' + limit + '),offset(' + newOffset + ')';
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if(element.dataset['pagingDesc'] !== undefined) {
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element.value += ',orderDesc(\'\')';
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}
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try {
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element.parentElement.querySelector('input[name="offset"]').value = newOffset + '';
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} catch(err) {} // Initial load can fail
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}
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};
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check();
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for (let i = 0; i < paths.length; i++) {
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let path = paths[i].split(".");
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while (path.length) {
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container.bind(element, path.join("."), check);
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path.pop();
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}
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}
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}
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});
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})(window);
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