702 lines
18 KiB
JavaScript
702 lines
18 KiB
JavaScript
/*
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Copyright (c) 2007, iUI Project Members
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See LICENSE.txt for licensing terms
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*/
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(function() {
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var slideSpeed = 20;
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var slideInterval = 0;
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var currentPage = null;
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var currentDialog = null;
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var currentWidth = 0;
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var currentHash = location.hash;
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var hashPrefix = "#_";
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var pageHistory = [];
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var newPageCount = 0;
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var checkTimer;
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var hasOrientationEvent = false;
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var portraitVal = "portrait";
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var landscapeVal = "landscape";
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// CWZ
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var loadedPages = [];
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var actionButtons = [];
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// *************************************************************************************************
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window.iui =
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{
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showPage: function(page, backwards)
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{
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if (page)
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{
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if (currentDialog)
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{
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currentDialog.removeAttribute("selected");
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currentDialog = null;
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}
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if (hasClass(page, "dialog"))
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showDialog(page);
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else
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{
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var fromPage = currentPage;
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currentPage = page;
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if (fromPage)
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{
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if (fromPage.onblur)
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fromPage.onblur();
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if (fromPage.getAttribute("onunload") && backwards)
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eval(fromPage.getAttribute("onunload"));
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setTimeout(slidePages, 0, fromPage, page, backwards);
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}
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else
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updatePage(page, fromPage);
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var lNewPage = (loadedPages.indexOf(page.id) == -1);
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if (lNewPage)
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{
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loadedPages.push(page.id);
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if (page.getAttribute("stylesheet"))
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loadStylesheet(page.getAttribute("stylesheet"));
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if (page.getAttribute("script"))
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loadScript(page.getAttribute("script"), function() { continueLoadingPage(page, lNewPage); });
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else
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continueLoadingPage(page, lNewPage);
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}
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else
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continueLoadingPage(page, lNewPage);
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}
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}
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},
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showPageById: function(pageId)
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{
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var page = $(pageId);
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if (page)
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{
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var index = pageHistory.indexOf(pageId);
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var backwards = index != -1;
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if (backwards)
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pageHistory.splice(index, pageHistory.length);
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iui.showPage(page, backwards);
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}
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},
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showPageByHref: function(href, args, method, replace, cb)
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{
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var req = new XMLHttpRequest();
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req.onerror = function()
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{
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if (cb)
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cb(false);
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};
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req.onreadystatechange = function()
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{
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if (req.readyState == 4)
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{
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if (replace)
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replaceElementWithSource(replace, req.responseText);
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else
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{
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var frag = document.createElement("div");
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frag.innerHTML = req.responseText;
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iui.insertPages(frag.childNodes);
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}
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if (cb)
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setTimeout(cb, 1000, true);
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}
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};
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if (args)
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{
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req.open("POST", href, true); // CWZ 02/11/2009
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//req.open(method || "GET", href, true);
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req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
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req.setRequestHeader("Content-Length", args.length);
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req.send(args.join("&"));
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}
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else
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{
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req.open(method || "GET", href, true);
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req.send(null);
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}
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},
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insertPages: function(nodes)
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{
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var targetPage;
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for (var i = 0; i < nodes.length; ++i)
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{
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var child = nodes[i];
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if (child.nodeType == 1)
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{
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if (!child.id)
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child.id = "__" + (++newPageCount) + "__";
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var clone = $(child.id);
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if (clone)
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clone.parentNode.replaceChild(child, clone);
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else
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document.body.appendChild(child);
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if (child.getAttribute("selected") == "true" || !targetPage)
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targetPage = child;
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--i;
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}
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}
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if (targetPage)
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iui.showPage(targetPage);
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},
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getSelectedPage: function()
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{
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for (var child = document.body.firstChild; child; child = child.nextSibling)
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{
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if (child.nodeType == 1 && child.getAttribute("selected") == "true")
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return child;
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}
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},
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isNativeUrl: function(href)
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{
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for(var i = 0; i < iui.nativeUrlPatterns.length; i++)
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{
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if(href.match(iui.nativeUrlPatterns[i])) return true;
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}
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return false;
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},
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nativeUrlPatterns: [
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new RegExp("^http:\/\/maps.google.com\/maps\?"),
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new RegExp("^mailto:"),
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new RegExp("^tel:"),
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new RegExp("^http:\/\/www.youtube.com\/watch\\?v="),
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new RegExp("^http:\/\/www.youtube.com\/v\/")
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]
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};
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// *************************************************************************************************
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addEventListener("submit", function(event)
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{
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if (hasClass(findParent(event.target, "form"), "dialog") || hasClass(findParent(event.target, "form"), "panel"))
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{
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submitForm(findParent(event.target, "form"));
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event.preventDefault();
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}
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}, true);
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addEventListener("load", function(event)
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{
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var page = iui.getSelectedPage();
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if (page)
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iui.showPage(page);
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setTimeout(preloadImages, 0);
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setTimeout(checkOrientAndLocation, 0);
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checkTimer = setInterval(checkOrientAndLocation, 300);
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}, false);
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addEventListener("unload", function(event)
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{
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return;
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}, false);
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addEventListener("click", function(event)
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{
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var link = findParent(event.target, "a");
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if (link)
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{
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/* Prasad: Perform load and cache the DOM for re-use unless asked no-to-cache */
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function custom_load() {
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if(!hasClass(link, "nocache")) {
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link.setAttribute("xhref", link.href);
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link.setAttribute("href", "#__" + (newPageCount) + "__");
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}
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unselect();
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}
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/* END */
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function unselect() { link.removeAttribute("selected"); }
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if (link.href && link.hash && link.hash != "#")
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{
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link.setAttribute("selected", "true");
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iui.showPage($(link.hash.substr(1)));
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setTimeout(unselect, 500);
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}
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else if (link == $("backButton"))
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history.back();
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else if (link.getAttribute("type") == "submit")
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submitForm(findParent(link, "form"));
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else if (link.getAttribute("type") == "cancel")
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cancelDialog(findParent(link, "form"));
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else if (link.target == "_replace")
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{
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link.setAttribute("selected", "progress");
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iui.showPageByHref(link.href, null, null, link, custom_load); // Prasad: unselect);
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}
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else if (iui.isNativeUrl(link.href))
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{
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return;
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}
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else if (!link.target)
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{
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link.setAttribute("selected", "progress");
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iui.showPageByHref(link.href, null, null, null, custom_load); // Prasad: unselect);
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}
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else
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return;
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event.preventDefault();
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}
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}, true);
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addEventListener("click", function(event)
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{
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var div = findParent(event.target, "div");
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if (div && hasClass(div, "toggle"))
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{
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div.setAttribute("toggled", div.getAttribute("toggled") != "true");
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event.preventDefault();
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}
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}, true);
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function orientChangeHandler()
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{
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var orientation=window.orientation;
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switch(orientation)
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{
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case 0:
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setOrientation(portraitVal);
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break;
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case 90:
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case -90:
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setOrientation(landscapeVal);
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break;
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}
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}
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if (typeof window.onorientationchange == "object")
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{
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window.onorientationchange=orientChangeHandler;
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hasOrientationEvent = true;
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setTimeout(orientChangeHandler, 0);
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}
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function checkOrientAndLocation()
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{
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if (!hasOrientationEvent)
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{
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if (window.innerWidth != currentWidth)
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{
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currentWidth = window.innerWidth;
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var orient = currentWidth == 320 ? portraitVal : landscapeVal;
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setOrientation(orient);
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}
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}
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if (location.hash != currentHash)
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{
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var pageId = location.hash.substr(hashPrefix.length);
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iui.showPageById(pageId);
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}
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}
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function setOrientation(orient)
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{
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document.body.setAttribute("orient", orient);
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setTimeout(scrollTo, 100, 0, 1);
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}
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function showDialog(page)
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{
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currentDialog = page;
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page.setAttribute("selected", "true");
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if (hasClass(page, "dialog") && !page.target)
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showForm(page);
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}
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function showForm(form)
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{
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form.onsubmit = function(event)
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{
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event.preventDefault();
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submitForm(form);
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};
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form.onclick = function(event)
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{
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if (event.target == form && hasClass(form, "dialog"))
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cancelDialog(form);
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};
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}
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function cancelDialog(form)
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{
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form.removeAttribute("selected");
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}
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function updatePage(page, fromPage)
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{
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if (!page.id)
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page.id = "__" + (++newPageCount) + "__";
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location.href = currentHash = hashPrefix + page.id;
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pageHistory.push(page.id);
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var pageTitle = $("pageTitle");
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if (page.title)
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pageTitle.innerHTML = page.title;
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if (page.localName.toLowerCase() == "form" && !page.target)
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showForm(page);
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var backButton = $("backButton");
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if (backButton)
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{
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var prevPage = $(pageHistory[pageHistory.length-2]);
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if (prevPage && !page.getAttribute("hideBackButton"))
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{
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backButton.style.display = "inline";
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backButton.innerHTML = prevPage.title ? prevPage.title : "Back";
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}
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else
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backButton.style.display = "none";
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}
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}
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function slidePagesNew(fromPage, toPage, backwards)
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{
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try
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{
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var page = (backwards ? fromPage : toPage);
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var axis = page.getAttribute("axis");
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if (axis == "y")
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page.style.top = "100%";
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else
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{
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if (backwards)
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{
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fromPage.style.left = "0%";
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toPage.style.left = "-100%";
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}
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else
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{
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fromPage.style.left = "0%";
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toPage.style.left = "100%";
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}
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}
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var transitionProperty = (axis == "y") ? 'top' : 'left';
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var transitionDuration = 300;
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toPage.style.webkitTransitionDuration = transitionDuration + "ms";
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fromPage.style.webkitTransitionDuration = transitionDuration + "ms";
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toPage.setAttribute("selected", "true");
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scrollTo(0, 1);
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clearInterval(checkTimer);
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fromPage.style.webkitTransitionProperty = transitionProperty;
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fromPage.style.transitionTimingFunction = "ease-in";
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toPage.style.webkitTransitionProperty = transitionProperty;
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toPage.style.transitionTimingFunction = "ease-in";
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if (backwards)
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{
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fromPage.style.left="100%";
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toPage.style.left="0%";
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}
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else
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{
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fromPage.style.left="-100%";
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toPage.style.left="0%";
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}
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// Call completion function sometime after we think we'll be done
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setTimeout(slideComplete, transitionDuration);
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function slideComplete()
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{
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if (!hasClass(toPage, "dialog"))
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fromPage.removeAttribute("selected");
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toPage.style.webkitTransitionDuration = "0s";
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fromPage.style.webkitTransitionDuration = "0s";
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checkTimer = setInterval(checkOrientAndLocation,300);
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setTimeout(updatePage, 0, toPage, fromPage);
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}
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}
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catch (ex) { alert(ex); }
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}
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function slidePages(fromPage, toPage, backwards)
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{
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var axis = (backwards ? fromPage : toPage).getAttribute("axis");
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if (axis == "y")
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(backwards ? fromPage : toPage).style.top = "100%";
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else
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toPage.style.left = "100%";
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toPage.setAttribute("selected", "true");
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scrollTo(0, 1);
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clearInterval(checkTimer);
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var percent = 100;
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slide();
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var timer = setInterval(slide, slideInterval);
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function slide()
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{
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percent -= slideSpeed;
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if (percent <= 0)
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{
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percent = 0;
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if (!hasClass(toPage, "dialog"))
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fromPage.removeAttribute("selected");
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clearInterval(timer);
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checkTimer = setInterval(checkOrientAndLocation, 300);
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setTimeout(updatePage, 0, toPage, fromPage);
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}
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if (axis == "y")
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{
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backwards
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? fromPage.style.top = (100-percent) + "%"
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: toPage.style.top = percent + "%";
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}
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else
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{
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fromPage.style.left = (backwards ? (100-percent) : (percent-100)) + "%";
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toPage.style.left = (backwards ? -percent : percent) + "%";
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}
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}
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}
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function preloadImages()
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{
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var preloader = document.createElement("div");
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preloader.id = "preloader";
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document.body.appendChild(preloader);
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}
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function submitForm(form)
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{
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// CWZ
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if (form.getAttribute("target") == "_self")
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form.submit();
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else
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iui.showPageByHref(form.action, encodeForm(form), form.method || "POST");
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}
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function encodeForm(form)
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{
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function encode(inputs)
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{
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for (var i = 0; i < inputs.length; ++i)
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{
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if (inputs[i].name)
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{
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if ((inputs[i].getAttribute("type") == "checkbox" && !inputs[i].checked)
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|| (inputs[i].getAttribute("type") == "radio" && !inputs[i].checked)
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|| (inputs[i].getAttribute("type") == "submit")
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|| (inputs[i].name && inputs[i].disabled))
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{
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continue;
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}
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else
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args.push(inputs[i].name + "=" + escape(inputs[i].value));
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}
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}
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}
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var args = [];
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encode(form.getElementsByTagName("input"));
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encode(form.getElementsByTagName("textarea")); // added in 0.20
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encode(form.getElementsByTagName("select"));
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return args;
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}
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function findParent(node, localName)
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{
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while (node && (node.nodeType != 1 || node.localName.toLowerCase() != localName))
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node = node.parentNode;
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return node;
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}
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function hasClass(self, name)
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{
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var re = new RegExp("(^|\\s)"+name+"($|\\s)");
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return re.exec(self.getAttribute("class")) != null;
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}
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function replaceElementWithSource(replace, source)
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{
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var page = replace.parentNode;
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var parent = replace;
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while (page.parentNode != document.body)
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{
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page = page.parentNode;
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parent = parent.parentNode;
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}
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var frag = document.createElement(parent.localName);
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frag.innerHTML = source;
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page.removeChild(parent);
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while (frag.firstChild)
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page.appendChild(frag.firstChild);
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}
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function $(id) { return document.getElementById(id); }
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function ddd() { console.log.apply(console, arguments); }
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// CWZ 04/24/2009
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function loadActionButton(page)
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{
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try
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{
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var btn = $("actionButton");
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var lSet = false;
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if (!actionButtons[page.id])
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{
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actionButtons[page.id] = { "title" : "", "href" : null, "target" : null, "visible" : true };
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if (page.getAttribute("actionbutton"))
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{
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var oButton = eval("("+page.getAttribute("actionbutton")+")");
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if (oButton)
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{
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if (oButton.title ) actionButtons[page.id].title = oButton.title;
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if (oButton.href ) actionButtons[page.id].href = oButton.href;
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if (oButton.target ) actionButtons[page.id].target = oButton.target;
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}
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if (!btn)
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{
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var oToolbar = document.getElementsByClassName("toolbar")[0];
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btn = document.createElement("A");
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|
btn.id="actionButton";
|
|
btn.className="button";
|
|
|
|
oToolbar.appendChild(btn);
|
|
}
|
|
}
|
|
else if (!btn) // stores the fact that the page has no button
|
|
{
|
|
lSet = true;
|
|
actionButtons[page.id].visible = false;
|
|
}
|
|
else
|
|
{
|
|
lSet = true;
|
|
actionButtons[page.id].title = btn.innerHTML;
|
|
actionButtons[page.id].href = btn.href;
|
|
actionButtons[page.id].target = btn.target;
|
|
}
|
|
}
|
|
|
|
if (!lSet)
|
|
{
|
|
btn.style.visibility = (actionButtons[page.id].visible ? "visible" : "hidden");
|
|
|
|
if (actionButtons[page.id].title != null) btn.innerHTML = actionButtons[page.id].title;
|
|
if (actionButtons[page.id].href != null) btn.href = actionButtons[page.id].href;
|
|
if (actionButtons[page.id].target != null) btn.target = actionButtons[page.id].target;
|
|
}
|
|
}
|
|
catch (ex) { console.log(ex); }
|
|
}
|
|
|
|
// CWZ 04/27/2009
|
|
function continueLoadingPage(page, lNewPage)
|
|
{
|
|
if (lNewPage && page.getAttribute("onload"))
|
|
eval(page.getAttribute("onload"));
|
|
|
|
loadActionButton(page);
|
|
|
|
if (page.onfocus)
|
|
page.onfocus();
|
|
}
|
|
|
|
// CWZ adapted from http://www.javascriptkit.com/javatutors/loadjavascriptcss.shtml
|
|
// and http://stackoverflow.com/questions/756382/bookmarklet-wait-until-javascript-is-loaded/756436
|
|
function loadScript(cFilename, callback)
|
|
{
|
|
var script = document.createElement("script");
|
|
|
|
script.setAttribute("type","text/javascript");
|
|
script.setAttribute("src", cFilename);
|
|
|
|
var done = false;
|
|
script.onload = script.onreadystatechange = function()
|
|
{
|
|
if( !done && ( !this.readyState
|
|
|| this.readyState == "loaded"
|
|
|| this.readyState == "complete") )
|
|
{
|
|
done = true;
|
|
|
|
callback();
|
|
}
|
|
};
|
|
|
|
document.getElementsByTagName("head")[0].appendChild(script);
|
|
|
|
return script;
|
|
}
|
|
|
|
function loadStylesheet(cFilename, callback)
|
|
{
|
|
var stylesheet = document.createElement("link");
|
|
|
|
stylesheet.setAttribute("rel", "stylesheet");
|
|
stylesheet.setAttribute("type", "text/css");
|
|
stylesheet.setAttribute("href", cFilename);
|
|
|
|
if (callback)
|
|
{
|
|
var done = false;
|
|
stylesheet.onload = stylesheet.onreadystatechange = function()
|
|
{
|
|
if( !done && ( !this.readyState
|
|
|| this.readyState == "loaded"
|
|
|| this.readyState == "complete") )
|
|
{
|
|
done = true;
|
|
|
|
callback();
|
|
}
|
|
};
|
|
}
|
|
|
|
document.getElementsByTagName("head")[0].appendChild(stylesheet);
|
|
}
|
|
|
|
|
|
})();
|
|
|