119 lines
3.3 KiB
JavaScript
119 lines
3.3 KiB
JavaScript
Miniflux.Nav = (function() {
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function scrollPageTo(item)
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{
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var clientHeight = pageYOffset + document.documentElement.clientHeight;
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var itemPosition = item.offsetTop + item.offsetHeight;
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if (clientHeight - itemPosition < 0 || clientHeight - item.offsetTop > document.documentElement.clientHeight) {
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window.scrollTo(0, item.offsetTop - 10);
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}
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}
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function findNextItem()
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{
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var items = document.getElementsByTagName("article");
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if (! document.getElementById("current-item")) {
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items[0].id = "current-item";
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scrollPageTo(items[0]);
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}
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else {
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for (var i = 0, ilen = items.length; i < ilen; i++) {
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if (items[i].id === "current-item") {
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if (i + 1 < ilen) {
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items[i].id = "item-" + items[i].getAttribute("data-item-id");
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items[i + 1].id = "current-item";
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scrollPageTo(items[i + 1]);
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}
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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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function findPreviousItem()
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{
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var items = document.getElementsByTagName("article");
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if (! document.getElementById("current-item")) {
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items[items.length - 1].id = "current-item";
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scrollPageTo(items[items.length - 1]);
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}
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else {
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for (var i = items.length - 1; i >= 0; i--) {
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if (items[i].id === "current-item") {
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if (i - 1 >= 0) {
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items[i].id = "item-" + items[i].getAttribute("data-item-id");
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items[i - 1].id = "current-item";
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scrollPageTo(items[i - 1]);
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}
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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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function isListing()
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{
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if (document.getElementById("listing")) return true;
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return false;
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}
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return {
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OpenNextPage: function() {
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var link = document.getElementById("next-page");
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if (link) link.click();
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},
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OpenPreviousPage: function() {
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var link = document.getElementById("previous-page");
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if (link) link.click();
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},
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SelectNextItem: function() {
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var link = document.getElementById("next-item");
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if (link) {
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link.click();
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}
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else if (isListing()) {
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findNextItem();
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}
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},
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SelectPreviousItem: function() {
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var link = document.getElementById("previous-item");
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if (link) {
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link.click();
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}
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else if (isListing()) {
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findPreviousItem();
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}
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},
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ShowHelp: function() {
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var help_layer = document.getElementById("help-layer");
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help_layer.removeAttribute("class");
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},
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CloseHelp: function() {
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var help_layer = document.getElementById("help-layer");
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help_layer.setAttribute("class", "hide");
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},
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ShowSearch: function() {
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document.getElementById("search-opener").setAttribute("class", "hide");
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document.getElementById("search-form").removeAttribute("class")
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},
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IsListing: isListing
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};
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})();
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