mirror of https://github.com/anoshenko/rui.git
1812 lines
44 KiB
JavaScript
1812 lines
44 KiB
JavaScript
var sessionID = "0"
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var windowFocus = true
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window.onresize = function() {
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scanElementsSize();
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}
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window.onbeforeunload = function(event) {
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sendMessage( "session-close{session=" + sessionID +"}" );
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}
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window.onblur = function(event) {
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windowFocus = false
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sendMessage( "session-pause{session=" + sessionID +"}" );
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}
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function sessionInfo() {
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const touch_screen = (('ontouchstart' in document.documentElement) || (navigator.maxTouchPoints > 0) || (navigator.msMaxTouchPoints > 0)) ? "1" : "0";
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var message = "startSession{touch=" + touch_screen
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const style = window.getComputedStyle(document.body);
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if (style) {
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var direction = style.getPropertyValue('direction');
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if (direction) {
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message += ",direction=" + direction
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}
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}
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const lang = window.navigator.language;
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if (lang) {
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message += ",language=\"" + lang + "\"";
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}
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const langs = window.navigator.languages;
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if (langs) {
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message += ",languages=\"" + langs + "\"";
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}
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const userAgent = window.navigator.userAgent
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if (userAgent) {
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message += ",user-agent=\"" + userAgent + "\"";
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}
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const darkThemeMq = window.matchMedia("(prefers-color-scheme: dark)");
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if (darkThemeMq.matches) {
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message += ",dark=1";
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}
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const pixelRatio = window.devicePixelRatio;
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if (pixelRatio) {
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message += ",pixel-ratio=" + pixelRatio;
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}
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return message + "}";
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}
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function getIntAttribute(element, tag) {
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let value = element.getAttribute(tag);
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if (value) {
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return value;
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}
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return 0;
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}
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function scanElementsSize() {
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var element = document.getElementById("ruiRootView");
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if (element) {
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let rect = element.getBoundingClientRect();
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let width = getIntAttribute(element, "data-width");
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let height = getIntAttribute(element, "data-height");
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if (rect.width > 0 && rect.height > 0 && (width != rect.width || height != rect.height)) {
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element.setAttribute("data-width", rect.width);
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element.setAttribute("data-height", rect.height);
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sendMessage("root-size{session=" + sessionID + ",width=" + rect.width + ",height=" + rect.height +"}");
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}
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}
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var views = document.getElementsByClassName("ruiView");
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if (views) {
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var message = "resize{session=" + sessionID + ",views=["
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var count = 0
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for (var i = 0; i < views.length; i++) {
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let element = views[i];
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let noresize = element.getAttribute("data-noresize");
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if (!noresize) {
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let rect = element.getBoundingClientRect();
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let top = getIntAttribute(element, "data-top");
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let left = getIntAttribute(element, "data-left");
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let width = getIntAttribute(element, "data-width");
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let height = getIntAttribute(element, "data-height");
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if (rect.width > 0 && rect.height > 0 &&
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(width != rect.width || height != rect.height || left != rect.left || top != rect.top)) {
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element.setAttribute("data-top", rect.top);
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element.setAttribute("data-left", rect.left);
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element.setAttribute("data-width", rect.width);
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element.setAttribute("data-height", rect.height);
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if (count > 0) {
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message += ",";
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}
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message += "view{id=" + element.id + ",x=" + rect.left + ",y=" + rect.top + ",width=" + rect.width + ",height=" + rect.height +
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",scroll-x=" + element.scrollLeft + ",scroll-y=" + element.scrollTop + ",scroll-width=" + element.scrollWidth + ",scroll-height=" + element.scrollHeight + "}";
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count += 1;
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}
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}
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}
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if (count > 0) {
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sendMessage(message + "]}");
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}
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}
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}
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function scrollEvent(element, event) {
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sendMessage("scroll{session=" + sessionID + ",id=" + element.id + ",x=" + element.scrollLeft +
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",y=" + element.scrollTop + ",width=" + element.scrollWidth + ",height=" + element.scrollHeight + "}");
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}
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function updateCSSRule(selector, ruleText) {
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var styleSheet = document.styleSheets[0];
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var rules = styleSheet.cssRules ? styleSheet.cssRules : styleSheet.rules
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selector = "." + selector
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for (var i = 0; i < rules.length; i++) {
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var rule = rules[i]
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if (!rule.selectorText) {
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continue;
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}
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if (rule.selectorText == selector) {
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if (styleSheet.deleteRule) {
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styleSheet.deleteRule(i)
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} else if (styleSheet.removeRule) {
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styleSheet.removeRule(i)
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}
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break;
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}
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}
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if (styleSheet.insertRule) {
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styleSheet.insertRule(selector + " { " + ruleText + "}")
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} else if (styleSheet.addRule) {
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styleSheet.addRule(selector, ruleText, rules.length)
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}
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scanElementsSize();
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}
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function updateCSSStyle(elementId, style) {
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var element = document.getElementById(elementId);
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if (element) {
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element.style = style;
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scanElementsSize();
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}
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}
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function updateCSSProperty(elementId, property, value) {
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var element = document.getElementById(elementId);
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if (element) {
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element.style[property] = value;
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scanElementsSize();
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}
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}
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function updateProperty(elementId, property, value) {
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var element = document.getElementById(elementId);
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if (element) {
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element.setAttribute(property, value);
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scanElementsSize();
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}
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}
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function removeProperty(elementId, property) {
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var element = document.getElementById(elementId);
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if (element && element.hasAttribute(property)) {
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element.removeAttribute(property);
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scanElementsSize();
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}
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}
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function updateInnerHTML(elementId, content) {
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var element = document.getElementById(elementId);
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if (element) {
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element.innerHTML = content;
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scanElementsSize();
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}
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}
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function appendToInnerHTML(elementId, content) {
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var element = document.getElementById(elementId);
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if (element) {
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element.innerHTML += content;
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scanElementsSize();
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}
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}
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function setDisabled(elementId, disabled) {
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var element = document.getElementById(elementId);
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if (element) {
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if ('disabled' in element) {
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element.disabled = disabled
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} else {
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element.setAttribute("data-disabled", disabled ? "1" : "0");
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}
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scanElementsSize();
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}
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}
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function focusEvent(element, event) {
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event.stopPropagation();
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sendMessage("focus-event{session=" + sessionID + ",id=" + element.id + "}");
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}
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function blurEvent(element, event) {
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event.stopPropagation();
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sendMessage("lost-focus-event{session=" + sessionID + ",id=" + element.id + "}");
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}
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function enterOrSpaceKeyClickEvent(event) {
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if (event.key) {
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return (event.key == " " || event.key == "Enter");
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} else if (event.keyCode) {
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return (event.keyCode == 32 || event.keyCode == 13);
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}
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return false;
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}
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function activateTab(layoutId, tabNumber) {
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var element = document.getElementById(layoutId);
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if (element) {
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var currentTabId = element.getAttribute("data-current");
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var newTabId = layoutId + '-' + tabNumber;
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if (currentTabId != newTabId) {
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function setTab(tabId, styleProperty, display) {
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var tab = document.getElementById(tabId);
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if (tab) {
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tab.className = element.getAttribute(styleProperty);
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var page = document.getElementById(tab.getAttribute("data-view"));
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if (page) {
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page.style.display = display;
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}
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}
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}
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setTab(currentTabId, "data-inactiveTabStyle", "none")
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setTab(newTabId, "data-activeTabStyle", "");
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element.setAttribute("data-current", newTabId);
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scanElementsSize()
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}
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}
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}
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function tabClickEvent(tab, layoutId, tabNumber, event) {
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event.stopPropagation();
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event.preventDefault();
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activateTab(layoutId, tabNumber)
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if (tab) {
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tab.blur()
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}
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sendMessage("tabClick{session=" + sessionID + ",id=" + layoutId + ",number=" + tabNumber + "}");
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}
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function tabKeyClickEvent(layoutId, tabNumber, event) {
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if (enterOrSpaceKeyClickEvent(event)) {
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tabClickEvent(null, layoutId, tabNumber, event)
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}
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}
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function tabCloseClickEvent(button, layoutId, tabNumber, event) {
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event.stopPropagation();
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event.preventDefault();
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if (button) {
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button.blur()
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}
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sendMessage("tabCloseClick{session=" + sessionID + ",id=" + layoutId + ",number=" + tabNumber + "}");
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}
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function tabCloseKeyClickEvent(layoutId, tabNumber, event) {
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if (enterOrSpaceKeyClickEvent(event)) {
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tabCloseClickEvent(null, layoutId, tabNumber, event)
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}
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}
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function keyEvent(element, event, tag) {
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event.stopPropagation();
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var message = tag + "{session=" + sessionID + ",id=" + element.id;
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if (event.timeStamp) {
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message += ",timeStamp=" + event.timeStamp;
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}
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if (event.key) {
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message += ",key=\"" + event.key + "\"";
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}
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if (event.code) {
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message += ",code=\"" + event.code + "\"";
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}
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if (event.repeat) {
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message += ",repeat=1";
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}
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if (event.ctrlKey) {
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message += ",ctrlKey=1";
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}
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if (event.shiftKey) {
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message += ",shiftKey=1";
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}
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if (event.altKey) {
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message += ",altKey=1";
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}
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if (event.metaKey) {
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message += ",metaKey=1";
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}
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message += "}"
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sendMessage(message);
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}
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function keyDownEvent(element, event) {
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keyEvent(element, event, "key-down-event")
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}
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function keyUpEvent(element, event) {
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keyEvent(element, event, "key-up-event")
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}
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function mouseEventData(element, event) {
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var message = ""
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if (event.timeStamp) {
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message += ",timeStamp=" + event.timeStamp;
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}
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if (event.button) {
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message += ",button=" + event.button;
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}
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if (event.buttons) {
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message += ",buttons=" + event.buttons;
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}
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if (event.clientX) {
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var x = event.clientX;
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var el = element;
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if (el.parentElement) {
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x += el.parentElement.scrollLeft;
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}
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while (el) {
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x -= el.offsetLeft
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el = el.parentElement
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}
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message += ",x=" + x + ",clientX=" + event.clientX;
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}
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if (event.clientY) {
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var y = event.clientY;
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var el = element;
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if (el.parentElement) {
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y += el.parentElement.scrollTop;
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}
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while (el) {
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y -= el.offsetTop
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el = el.parentElement
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}
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message += ",y=" + y + ",clientY=" + event.clientY;
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}
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if (event.screenX) {
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message += ",screenX=" + event.screenX;
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}
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if (event.screenY) {
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message += ",screenY=" + event.screenY;
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}
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if (event.ctrlKey) {
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message += ",ctrlKey=1";
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}
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if (event.shiftKey) {
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message += ",shiftKey=1";
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}
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if (event.altKey) {
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message += ",altKey=1";
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}
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if (event.metaKey) {
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message += ",metaKey=1";
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}
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return message
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}
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function mouseEvent(element, event, tag) {
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event.stopPropagation();
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//event.preventDefault()
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var message = tag + "{session=" + sessionID + ",id=" + element.id + mouseEventData(element, event) + "}";
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sendMessage(message);
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}
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function mouseDownEvent(element, event) {
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mouseEvent(element, event, "mouse-down")
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}
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function mouseUpEvent(element, event) {
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mouseEvent(element, event, "mouse-up")
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}
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function mouseMoveEvent(element, event) {
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mouseEvent(element, event, "mouse-move")
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}
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function mouseOverEvent(element, event) {
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mouseEvent(element, event, "mouse-over")
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}
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function mouseOutEvent(element, event) {
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mouseEvent(element, event, "mouse-out")
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}
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function clickEvent(element, event) {
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mouseEvent(element, event, "click-event")
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event.preventDefault();
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}
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function doubleClickEvent(element, event) {
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mouseEvent(element, event, "double-click-event")
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event.preventDefault();
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}
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function contextMenuEvent(element, event) {
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mouseEvent(element, event, "context-menu-event")
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event.preventDefault();
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}
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function pointerEvent(element, event, tag) {
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event.stopPropagation();
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var message = tag + "{session=" + sessionID + ",id=" + element.id + mouseEventData(element, event);
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if (event.pointerId) {
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message += ",pointerId=" + event.pointerId;
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}
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if (event.width) {
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message += ",width=" + event.width;
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}
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if (event.height) {
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message += ",height=" + event.height;
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}
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if (event.pressure) {
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message += ",pressure=" + event.pressure;
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}
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if (event.tangentialPressure) {
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message += ",tangentialPressure=" + event.tangentialPressure;
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}
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if (event.tiltX) {
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message += ",tiltX=" + event.tiltX;
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}
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if (event.tiltY) {
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message += ",tiltY=" + event.tiltY;
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}
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if (event.twist) {
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message += ",twist=" + event.twist;
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}
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if (event.pointerType) {
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message += ",pointerType=" + event.pointerType;
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}
|
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if (event.isPrimary) {
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message += ",isPrimary=1";
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}
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message += "}";
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sendMessage(message);
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}
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|
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function pointerDownEvent(element, event) {
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pointerEvent(element, event, "pointer-down")
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}
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function pointerUpEvent(element, event) {
|
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pointerEvent(element, event, "pointer-up")
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}
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function pointerMoveEvent(element, event) {
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pointerEvent(element, event, "pointer-move")
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}
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|
|
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function pointerCancelEvent(element, event) {
|
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pointerEvent(element, event, "pointer-cancel")
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}
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function pointerOverEvent(element, event) {
|
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pointerEvent(element, event, "pointer-over")
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|
}
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|
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function pointerOutEvent(element, event) {
|
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pointerEvent(element, event, "pointer-out")
|
|
}
|
|
|
|
function touchEvent(element, event, tag) {
|
|
event.stopPropagation();
|
|
|
|
var message = tag + "{session=" + sessionID + ",id=" + element.id;
|
|
if (event.timeStamp) {
|
|
message += ",timeStamp=" + event.timeStamp;
|
|
}
|
|
if (event.touches && event.touches.length > 0) {
|
|
message += ",touches=["
|
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for (var i = 0; i < event.touches.length; i++) {
|
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var touch = event.touches.item(i)
|
|
if (touch) {
|
|
if (i > 0) {
|
|
message += ","
|
|
}
|
|
message += "touch{identifier=" + touch.identifier;
|
|
|
|
var x = touch.clientX;
|
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var y = touch.clientY;
|
|
var el = element;
|
|
if (el.parentElement) {
|
|
x += el.parentElement.scrollLeft;
|
|
y += el.parentElement.scrollTop;
|
|
}
|
|
while (el) {
|
|
x -= el.offsetLeft
|
|
y -= el.offsetTop
|
|
el = el.parentElement
|
|
}
|
|
|
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message += ",x=" + x + ",y=" + y + ",clientX=" + touch.clientX + ",clientY=" + touch.clientY +
|
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",screenX=" + touch.screenX + ",screenY=" + touch.screenY + ",radiusX=" + touch.radiusX +
|
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",radiusY=" + touch.radiusY + ",rotationAngle=" + touch.rotationAngle + ",force=" + touch.force + "}"
|
|
}
|
|
}
|
|
message += "]"
|
|
}
|
|
if (event.ctrlKey) {
|
|
message += ",ctrlKey=1";
|
|
}
|
|
if (event.shiftKey) {
|
|
message += ",shiftKey=1";
|
|
}
|
|
if (event.altKey) {
|
|
message += ",altKey=1";
|
|
}
|
|
if (event.metaKey) {
|
|
message += ",metaKey=1";
|
|
}
|
|
|
|
message += "}";
|
|
sendMessage(message);
|
|
}
|
|
|
|
function touchStartEvent(element, event) {
|
|
touchEvent(element, event, "touch-start")
|
|
}
|
|
|
|
function touchEndEvent(element, event) {
|
|
touchEvent(element, event, "touch-end")
|
|
}
|
|
|
|
function touchMoveEvent(element, event) {
|
|
touchEvent(element, event, "touch-move")
|
|
}
|
|
|
|
function touchCancelEvent(element, event) {
|
|
touchEvent(element, event, "touch-cancel")
|
|
}
|
|
|
|
function dropDownListEvent(element, event) {
|
|
event.stopPropagation();
|
|
var message = "itemSelected{session=" + sessionID + ",id=" + element.id + ",number=" + element.selectedIndex.toString() + "}"
|
|
sendMessage(message);
|
|
}
|
|
|
|
function selectDropDownListItem(elementId, number) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.selectedIndex = number;
|
|
scanElementsSize();
|
|
}
|
|
}
|
|
|
|
function listItemClickEvent(element, event) {
|
|
event.stopPropagation();
|
|
|
|
var selected = false;
|
|
if (element.classList) {
|
|
const focusStyle = getListFocusedItemStyle(element);
|
|
const blurStyle = getListSelectedItemStyle(element);
|
|
selected = (element.classList.contains(focusStyle) || element.classList.contains(blurStyle));
|
|
}
|
|
|
|
var list = element.parentNode.parentNode
|
|
if (list) {
|
|
if (!selected) {
|
|
selectListItem(list, element, true)
|
|
}
|
|
|
|
var message = "itemClick{session=" + sessionID + ",id=" + list.id + "}"
|
|
sendMessage(message);
|
|
}
|
|
}
|
|
|
|
function getListItemNumber(itemId) {
|
|
var pos = itemId.indexOf("-")
|
|
if (pos >= 0) {
|
|
return parseInt(itemId.substring(pos+1))
|
|
}
|
|
}
|
|
|
|
function getStyleAttribute(element, attr, defValue) {
|
|
var result = element.getAttribute(attr);
|
|
if (result) {
|
|
return result;
|
|
}
|
|
return defValue;
|
|
}
|
|
|
|
function getListFocusedItemStyle(element) {
|
|
return getStyleAttribute(element, "data-focusitemstyle", "ruiListItemFocused");
|
|
}
|
|
|
|
function getListSelectedItemStyle(element) {
|
|
return getStyleAttribute(element, "data-bluritemstyle", "ruiListItemSelected");
|
|
}
|
|
|
|
function selectListItem(element, item, needSendMessage) {
|
|
var currentId = element.getAttribute("data-current");
|
|
var message;
|
|
const focusStyle = getListFocusedItemStyle(element);
|
|
const blurStyle = getListSelectedItemStyle(element);
|
|
|
|
if (currentId) {
|
|
var current = document.getElementById(currentId);
|
|
if (current) {
|
|
if (current.classList) {
|
|
current.classList.remove(focusStyle, blurStyle);
|
|
}
|
|
if (sendMessage) {
|
|
message = "itemUnselected{session=" + sessionID + ",id=" + element.id + "}";
|
|
}
|
|
}
|
|
}
|
|
|
|
if (item) {
|
|
if (element === document.activeElement) {
|
|
if (item.classList) {
|
|
item.classList.add(focusStyle);
|
|
}
|
|
} else {
|
|
if (item.classList) {
|
|
item.classList.add(blurStyle);
|
|
}
|
|
}
|
|
|
|
element.setAttribute("data-current", item.id);
|
|
if (sendMessage) {
|
|
var number = getListItemNumber(item.id)
|
|
if (number != undefined) {
|
|
message = "itemSelected{session=" + sessionID + ",id=" + element.id + ",number=" + number + "}";
|
|
}
|
|
}
|
|
|
|
if (item.scrollIntoViewIfNeeded) {
|
|
item.scrollIntoViewIfNeeded()
|
|
} else {
|
|
item.scrollIntoView({block: "nearest", inline: "nearest"});
|
|
}
|
|
/*
|
|
var left = item.offsetLeft - element.offsetLeft;
|
|
if (left < element.scrollLeft) {
|
|
element.scrollLeft = left;
|
|
}
|
|
|
|
var top = item.offsetTop - element.offsetTop;
|
|
if (top < element.scrollTop) {
|
|
element.scrollTop = top;
|
|
}
|
|
|
|
var right = left + item.offsetWidth;
|
|
if (right > element.scrollLeft + element.clientWidth) {
|
|
element.scrollLeft = right - element.clientWidth;
|
|
}
|
|
|
|
var bottom = top + item.offsetHeight
|
|
if (bottom > element.scrollTop + element.clientHeight) {
|
|
element.scrollTop = bottom - element.clientHeight;
|
|
}*/
|
|
}
|
|
|
|
if (needSendMessage && message != undefined) {
|
|
sendMessage(message);
|
|
}
|
|
scanElementsSize();
|
|
}
|
|
|
|
function findRightListItem(list, x, y) {
|
|
list = list.childNodes[0];
|
|
var result;
|
|
var count = list.childNodes.length;
|
|
for (var i = 0; i < count; i++) {
|
|
var item = list.childNodes[i];
|
|
if (item.offsetLeft >= x) {
|
|
if (result) {
|
|
var result_dy = Math.abs(result.offsetTop - y);
|
|
var item_dy = Math.abs(item.offsetTop - y);
|
|
if (item_dy < result_dy || (item_dy == result_dy && (item.offsetLeft - x) < (result.offsetLeft - x))) {
|
|
result = item;
|
|
}
|
|
} else {
|
|
result = item;
|
|
}
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
function findLeftListItem(list, x, y) {
|
|
list = list.childNodes[0];
|
|
var result;
|
|
var count = list.childNodes.length;
|
|
for (var i = 0; i < count; i++) {
|
|
var item = list.childNodes[i];
|
|
if (item.offsetLeft < x) {
|
|
if (result) {
|
|
var result_dy = Math.abs(result.offsetTop - y);
|
|
var item_dy = Math.abs(item.offsetTop - y);
|
|
if (item_dy < result_dy || (item_dy == result_dy && (x - item.offsetLeft) < (x - result.offsetLeft))) {
|
|
result = item;
|
|
}
|
|
} else {
|
|
result = item;
|
|
}
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
function findTopListItem(list, x, y) {
|
|
list = list.childNodes[0];
|
|
var result;
|
|
var count = list.childNodes.length;
|
|
for (var i = 0; i < count; i++) {
|
|
var item = list.childNodes[i];
|
|
if (item.offsetTop < y) {
|
|
if (result) {
|
|
var result_dx = Math.abs(result.offsetLeft - x);
|
|
var item_dx = Math.abs(item.offsetLeft - x);
|
|
if (item_dx < result_dx || (item_dx == result_dx && (y - item.offsetTop) < (y - result.offsetTop))) {
|
|
result = item;
|
|
}
|
|
} else {
|
|
result = item;
|
|
}
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
function findBottomListItem(list, x, y) {
|
|
list = list.childNodes[0];
|
|
var result;
|
|
var count = list.childNodes.length;
|
|
for (var i = 0; i < count; i++) {
|
|
var item = list.childNodes[i];
|
|
if (item.offsetTop >= y) {
|
|
if (result) {
|
|
var result_dx = Math.abs(result.offsetLeft - x);
|
|
var item_dx = Math.abs(item.offsetLeft - x);
|
|
if (item_dx < result_dx || (item_dx == result_dx && (item.offsetTop - y) < (result.offsetTop - y))) {
|
|
result = item;
|
|
}
|
|
} else {
|
|
result = item;
|
|
}
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
function getKey(event) {
|
|
if (event.key) {
|
|
return event.key;
|
|
}
|
|
|
|
if (event.keyCode) {
|
|
switch (event.keyCode) {
|
|
case 13: return "Enter";
|
|
case 32: return " ";
|
|
case 33: return "PageUp";
|
|
case 34: return "PageDown";
|
|
case 35: return "End";
|
|
case 36: return "Home";
|
|
case 37: return "ArrowLeft";
|
|
case 38: return "ArrowUp";
|
|
case 39: return "ArrowRight";
|
|
case 40: return "ArrowDown";
|
|
}
|
|
}
|
|
}
|
|
|
|
function listViewKeyDownEvent(element, event) {
|
|
const key = getKey(event);
|
|
if (key) {
|
|
var currentId = element.getAttribute("data-current");
|
|
var current
|
|
if (currentId) {
|
|
current = document.getElementById(currentId);
|
|
//number = getListItemNumber(currentId);
|
|
}
|
|
if (current) {
|
|
var item
|
|
switch (key) {
|
|
case " ":
|
|
case "Enter":
|
|
var message = "itemClick{session=" + sessionID + ",id=" + element.id + "}";
|
|
sendMessage(message);
|
|
break;
|
|
|
|
case "ArrowLeft":
|
|
item = findLeftListItem(element, current.offsetLeft, current.offsetTop);
|
|
break;
|
|
|
|
case "ArrowRight":
|
|
item = findRightListItem(element, current.offsetLeft + current.offsetWidth, current.offsetTop);
|
|
break;
|
|
|
|
case "ArrowDown":
|
|
item = findBottomListItem(element, current.offsetLeft, current.offsetTop + current.offsetHeight);
|
|
break;
|
|
|
|
case "ArrowUp":
|
|
item = findTopListItem(element, current.offsetLeft, current.offsetTop);
|
|
break;
|
|
|
|
case "Home":
|
|
item = element.childNodes[0];
|
|
break;
|
|
|
|
case "End":
|
|
item = element.childNodes[element.childNodes.length - 1];
|
|
break;
|
|
|
|
case "PageUp":
|
|
// TODO
|
|
break;
|
|
|
|
case "PageDown":
|
|
// TODO
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
if (item && item !== current) {
|
|
selectListItem(element, item, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
}
|
|
|
|
function listViewFocusEvent(element, event) {
|
|
var currentId = element.getAttribute("data-current");
|
|
if (currentId) {
|
|
var current = document.getElementById(currentId);
|
|
if (current) {
|
|
if (current.classList) {
|
|
current.classList.remove(getListSelectedItemStyle(element));
|
|
current.classList.add(getListFocusedItemStyle(element));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function listViewBlurEvent(element, event) {
|
|
var currentId = element.getAttribute("data-current");
|
|
if (currentId) {
|
|
var current = document.getElementById(currentId);
|
|
if (current) {
|
|
if (current.classList) {
|
|
current.classList.remove(getListFocusedItemStyle(element));
|
|
current.classList.add(getListSelectedItemStyle(element));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function selectRadioButton(radioButtonId) {
|
|
var element = document.getElementById(radioButtonId);
|
|
if (element) {
|
|
var list = element.parentNode
|
|
if (list) {
|
|
var current = list.getAttribute("data-current");
|
|
if (current) {
|
|
if (current === radioButtonId) {
|
|
return
|
|
}
|
|
|
|
var mark = document.getElementById(current + "mark");
|
|
if (mark) {
|
|
//mark.hidden = true
|
|
mark.style.visibility = "hidden"
|
|
}
|
|
}
|
|
|
|
var mark = document.getElementById(radioButtonId + "mark");
|
|
if (mark) {
|
|
//mark.hidden = false
|
|
mark.style.visibility = "visible"
|
|
}
|
|
list.setAttribute("data-current", radioButtonId);
|
|
var message = "radioButtonSelected{session=" + sessionID + ",id=" + list.id + ",radioButton=" + radioButtonId + "}"
|
|
sendMessage(message);
|
|
scanElementsSize();
|
|
}
|
|
}
|
|
}
|
|
|
|
function unselectRadioButtons(radioButtonsId) {
|
|
var list = document.getElementById(radioButtonsId);
|
|
if (list) {
|
|
var current = list.getAttribute("data-current");
|
|
if (current) {
|
|
var mark = document.getElementById(current + "mark");
|
|
if (mark) {
|
|
mark.style.visibility = "hidden"
|
|
}
|
|
|
|
list.removeAttribute("data-current");
|
|
}
|
|
|
|
var message = "radioButtonUnselected{session=" + sessionID + ",id=" + list.id + "}"
|
|
sendMessage(message);
|
|
scanElementsSize();
|
|
}
|
|
}
|
|
|
|
function radioButtonClickEvent(element, event) {
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
selectRadioButton(element.id)
|
|
}
|
|
|
|
function radioButtonKeyClickEvent(element, event) {
|
|
if (enterOrSpaceKeyClickEvent(event)) {
|
|
radioButtonClickEvent(element, event);
|
|
}
|
|
}
|
|
|
|
function editViewInputEvent(element) {
|
|
var text = element.value
|
|
text = text.replace(/\\/g, "\\\\")
|
|
text = text.replace(/\"/g, "\\\"")
|
|
var message = "textChanged{session=" + sessionID + ",id=" + element.id + ",text=\"" + text + "\"}"
|
|
sendMessage(message);
|
|
}
|
|
|
|
function setInputValue(elementId, text) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.value = text;
|
|
scanElementsSize();
|
|
}
|
|
}
|
|
|
|
function fileSelectedEvent(element) {
|
|
var files = element.files;
|
|
if (files) {
|
|
var message = "fileSelected{session=" + sessionID + ",id=" + element.id + ",files=[";
|
|
for(var i = 0; i < files.length; i++) {
|
|
if (i > 0) {
|
|
message += ",";
|
|
}
|
|
message += "_{name=\"" + files[i].name +
|
|
"\",last-modified=" + files[i].lastModified +
|
|
",size=" + files[i].size +
|
|
",mime-type=\"" + files[i].type + "\"}";
|
|
}
|
|
sendMessage(message + "]}");
|
|
}
|
|
}
|
|
|
|
function loadSelectedFile(elementId, index) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
var files = element.files;
|
|
if (files && index >= 0 && index < files.length) {
|
|
const reader = new FileReader();
|
|
reader.onload = function() {
|
|
sendMessage("fileLoaded{session=" + sessionID + ",id=" + element.id +
|
|
",index=" + index +
|
|
",name=\"" + files[index].name +
|
|
"\",last-modified=" + files[index].lastModified +
|
|
",size=" + files[index].size +
|
|
",mime-type=\"" + files[index].type +
|
|
"\",data=`" + reader.result + "`}");
|
|
}
|
|
reader.onerror = function(error) {
|
|
sendMessage("fileLoadingError{session=" + sessionID + ",id=" + element.id + ",index=" + index + ",error=`" + error + "`}");
|
|
}
|
|
reader.readAsDataURL(files[index]);
|
|
} else {
|
|
sendMessage("fileLoadingError{session=" + sessionID + ",id=" + element.id + ",index=" + index + ",error=`File not found`}");
|
|
}
|
|
} else {
|
|
sendMessage("fileLoadingError{session=" + sessionID + ",id=" + element.id + ",index=" + index + ",error=`Invalid FilePicker id`}");
|
|
}
|
|
}
|
|
|
|
function startResize(element, mx, my, event) {
|
|
var view = element.parentNode;
|
|
if (!view) {
|
|
return;
|
|
}
|
|
|
|
var startX = event.clientX;
|
|
var startY = event.clientY;
|
|
var startWidth = view.offsetWidth
|
|
var startHeight = view.offsetHeight
|
|
|
|
document.addEventListener("mousemove", moveHandler, true);
|
|
document.addEventListener("mouseup", upHandler, true);
|
|
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
|
|
function moveHandler(e) {
|
|
if (mx != 0) {
|
|
var width = startWidth + (e.clientX - startX) * mx;
|
|
if (width <= 0) {
|
|
width = 1;
|
|
}
|
|
view.style.width = width + "px";
|
|
sendMessage("widthChanged{session=" + sessionID + ",id=" + view.id + ",width=" + view.style.width + "}");
|
|
}
|
|
|
|
if (my != 0) {
|
|
var height = startHeight + (e.clientY - startY) * my;
|
|
if (height <= 0) {
|
|
height = 1;
|
|
}
|
|
view.style.height = height + "px";
|
|
sendMessage("heightChanged{session=" + sessionID + ",id=" + view.id + ",height=" + view.style.height + "}");
|
|
}
|
|
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
scanElementsSize();
|
|
}
|
|
|
|
function upHandler (e) {
|
|
document.removeEventListener("mouseup", upHandler, true);
|
|
document.removeEventListener("mousemove", moveHandler, true);
|
|
e.stopPropagation();
|
|
}
|
|
}
|
|
|
|
function transitionStartEvent(element, event) {
|
|
var message = "transition-start-event{session=" + sessionID + ",id=" + element.id;
|
|
if (event.propertyName) {
|
|
message += ",property=" + event.propertyName
|
|
}
|
|
sendMessage(message + "}");
|
|
event.stopPropagation();
|
|
}
|
|
|
|
function transitionRunEvent(element, event) {
|
|
var message = "transition-run-event{session=" + sessionID + ",id=" + element.id;
|
|
if (event.propertyName) {
|
|
message += ",property=" + event.propertyName
|
|
}
|
|
sendMessage(message + "}");
|
|
event.stopPropagation();
|
|
}
|
|
|
|
function transitionEndEvent(element, event) {
|
|
var message = "transition-end-event{session=" + sessionID + ",id=" + element.id;
|
|
if (event.propertyName) {
|
|
message += ",property=" + event.propertyName
|
|
}
|
|
sendMessage(message + "}");
|
|
event.stopPropagation();
|
|
}
|
|
|
|
function transitionCancelEvent(element, event) {
|
|
var message = "transition-cancel-event{session=" + sessionID + ",id=" + element.id;
|
|
if (event.propertyName) {
|
|
message += ",property=" + event.propertyName
|
|
}
|
|
sendMessage(message + "}");
|
|
event.stopPropagation();
|
|
}
|
|
|
|
function animationStartEvent(element, event) {
|
|
var message = "animation-start-event{session=" + sessionID + ",id=" + element.id;
|
|
if (event.animationName) {
|
|
message += ",name=" + event.animationName
|
|
}
|
|
sendMessage(message + "}");
|
|
event.stopPropagation();
|
|
}
|
|
|
|
function animationEndEvent(element, event) {
|
|
var message = "animation-end-event{session=" + sessionID + ",id=" + element.id;
|
|
if (event.animationName) {
|
|
message += ",name=" + event.animationName
|
|
}
|
|
sendMessage(message + "}");
|
|
event.stopPropagation();
|
|
}
|
|
|
|
function animationCancelEvent(element, event) {
|
|
var message = "animation-cancel-event{session=" + sessionID + ",id=" + element.id;
|
|
if (event.animationName) {
|
|
message += ",name=" + event.animationName
|
|
}
|
|
sendMessage(message + "}");
|
|
event.stopPropagation();
|
|
}
|
|
|
|
function animationIterationEvent(element, event) {
|
|
var message = "animation-iteration-event{session=" + sessionID + ",id=" + element.id;
|
|
if (event.animationName) {
|
|
message += ",name=" + event.animationName
|
|
}
|
|
sendMessage(message + "}");
|
|
event.stopPropagation();
|
|
}
|
|
|
|
function stackTransitionEndEvent(stackId, propertyName, event) {
|
|
sendMessage("transition-end-event{session=" + sessionID + ",id=" + stackId + ",property=" + propertyName + "}");
|
|
event.stopPropagation();
|
|
}
|
|
|
|
var images = new Map();
|
|
|
|
function loadImage(url) {
|
|
var img = images.get(url);
|
|
if (img != undefined) {
|
|
return
|
|
}
|
|
|
|
img = new Image();
|
|
img.addEventListener("load", function() {
|
|
images.set(url, img)
|
|
var message = "imageLoaded{session=" + sessionID + ",url=\"" + url + "\"";
|
|
if (img.naturalWidth) {
|
|
message += ",width=" + img.naturalWidth
|
|
}
|
|
if (img.naturalHeight) {
|
|
message += ",height=" + img.naturalHeight
|
|
}
|
|
sendMessage(message + "}")
|
|
}, false);
|
|
|
|
img.addEventListener("error", function(event) {
|
|
var message = "imageError{session=" + sessionID + ",url=\"" + url + "\"";
|
|
if (event && event.message) {
|
|
var text = event.message.replace(new RegExp("\"", 'g'), "\\\"")
|
|
message += ",message=\"" + text + "\"";
|
|
}
|
|
sendMessage(message + "}")
|
|
}, false);
|
|
|
|
img.src = url;
|
|
}
|
|
|
|
function clickOutsidePopup(e) {
|
|
sendMessage("clickOutsidePopup{session=" + sessionID + "}")
|
|
e.stopPropagation();
|
|
}
|
|
|
|
function clickClosePopup(element, e) {
|
|
var popupId = element.getAttribute("data-popupId");
|
|
sendMessage("clickClosePopup{session=" + sessionID + ",id=" + popupId + "}")
|
|
e.stopPropagation();
|
|
}
|
|
|
|
function scrollTo(elementId, x, y) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.scrollTo(x, y);
|
|
}
|
|
}
|
|
|
|
function scrollToStart(elementId) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.scrollTo(0, 0);
|
|
}
|
|
}
|
|
|
|
function scrollToEnd(elementId) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.scrollTo(0, element.scrollHeight - element.offsetHeight);
|
|
}
|
|
}
|
|
|
|
function focus(elementId) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.focus();
|
|
}
|
|
}
|
|
|
|
function blur(elementId) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.blur();
|
|
}
|
|
}
|
|
|
|
function blurCurrent() {
|
|
if (document.activeElement != document.body) {
|
|
document.activeElement.blur();
|
|
}
|
|
}
|
|
|
|
function playerEvent(element, tag) {
|
|
//event.stopPropagation();
|
|
sendMessage(tag + "{session=" + sessionID + ",id=" + element.id + "}");
|
|
}
|
|
|
|
function playerTimeUpdatedEvent(element) {
|
|
var message = "time-update-event{session=" + sessionID + ",id=" + element.id + ",value=";
|
|
if (element.currentTime) {
|
|
message += element.currentTime;
|
|
} else {
|
|
message += "0";
|
|
}
|
|
sendMessage(message + "}");
|
|
}
|
|
|
|
function playerDurationChangedEvent(element) {
|
|
var message = "duration-changed-event{session=" + sessionID + ",id=" + element.id + ",value=";
|
|
if (element.duration) {
|
|
message += element.duration;
|
|
} else {
|
|
message += "0";
|
|
}
|
|
sendMessage(message + "}");
|
|
}
|
|
|
|
function playerVolumeChangedEvent(element) {
|
|
var message = "volume-changed-event{session=" + sessionID + ",id=" + element.id + ",value=";
|
|
if (element.volume && !element.muted) {
|
|
message += element.volume;
|
|
} else {
|
|
message += "0";
|
|
}
|
|
sendMessage(message + "}");
|
|
}
|
|
|
|
function playerRateChangedEvent(element) {
|
|
var message = "rate-changed-event{session=" + sessionID + ",id=" + element.id + ",value=";
|
|
if (element.playbackRate) {
|
|
message += element.playbackRate;
|
|
} else {
|
|
message += "0";
|
|
}
|
|
sendMessage(message + "}");
|
|
}
|
|
|
|
function playerErrorEvent(element) {
|
|
var message = "player-error-event{session=" + sessionID + ",id=" + element.id;
|
|
if (element.error) {
|
|
if (element.error.code) {
|
|
message += ",code=" + element.error.code;
|
|
}
|
|
if (element.error.message) {
|
|
message += ",message=`" + element.error.message + "`";
|
|
}
|
|
}
|
|
sendMessage(message + "}");
|
|
}
|
|
|
|
function setMediaMuted(elementId, value) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.muted = value
|
|
}
|
|
}
|
|
|
|
function mediaPlay(elementId) {
|
|
var element = document.getElementById(elementId);
|
|
if (element && element.play) {
|
|
element.play()
|
|
}
|
|
}
|
|
|
|
function mediaPause(elementId) {
|
|
var element = document.getElementById(elementId);
|
|
if (element && element.pause) {
|
|
element.pause()
|
|
}
|
|
}
|
|
|
|
function mediaSetSetCurrentTime(elementId, time) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.currentTime = time
|
|
}
|
|
}
|
|
|
|
function mediaSetPlaybackRate(elementId, time) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.playbackRate = time
|
|
}
|
|
}
|
|
|
|
function mediaSetVolume(elementId, volume) {
|
|
var element = document.getElementById(elementId);
|
|
if (element) {
|
|
element.volume = volume
|
|
}
|
|
}
|
|
|
|
function startDowndload(url, filename) {
|
|
var element = document.getElementById("ruiDownloader");
|
|
if (element) {
|
|
element.href = url;
|
|
element.setAttribute("download", filename);
|
|
element.click();
|
|
}
|
|
}
|
|
|
|
function setTitle(title) {
|
|
document.title = title;
|
|
}
|
|
|
|
function setTitleColor(color) {
|
|
var metas = document.getElementsByTagName('meta');
|
|
if (metas) {
|
|
var item = metas.namedItem('theme-color');
|
|
if (item) {
|
|
item.setAttribute('content', color)
|
|
return
|
|
}
|
|
}
|
|
|
|
var meta = document.createElement('meta');
|
|
meta.setAttribute('name', 'theme-color');
|
|
meta.setAttribute('content', color);
|
|
document.getElementsByTagName('head')[0].appendChild(meta);
|
|
}
|
|
|
|
function openURL(url) {
|
|
window.open(url, "_blank");
|
|
}
|
|
|
|
function detailsEvent(element) {
|
|
sendMessage("details-open{session=" + sessionID + ",id=" + element.id + ",open=" + (element.open ? "1}" : "0}"));
|
|
}
|
|
|
|
function getTableFocusedItemStyle(element) {
|
|
return getStyleAttribute(element, "data-focusitemstyle", "ruiCurrentTableCellFocused");
|
|
}
|
|
|
|
function getTableSelectedItemStyle(element) {
|
|
return getStyleAttribute(element, "data-bluritemstyle", "ruiCurrentTableCell");
|
|
}
|
|
|
|
function tableViewFocusEvent(element, event) {
|
|
var currentId = element.getAttribute("data-current");
|
|
if (currentId) {
|
|
var current = document.getElementById(currentId);
|
|
if (current) {
|
|
if (current.classList) {
|
|
current.classList.remove(getTableSelectedItemStyle(element));
|
|
current.classList.add(getTableFocusedItemStyle(element));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function tableViewBlurEvent(element, event) {
|
|
var currentId = element.getAttribute("data-current");
|
|
if (currentId) {
|
|
var current = document.getElementById(currentId);
|
|
if (current && current.classList) {
|
|
current.classList.remove(getTableFocusedItemStyle(element));
|
|
current.classList.add(getTableSelectedItemStyle(element));
|
|
}
|
|
}
|
|
}
|
|
|
|
function setTableCellCursor(element, row, column) {
|
|
const cellID = element.id + "-" + row + "-" + column;
|
|
var cell = document.getElementById(cellID);
|
|
if (!cell || cell.getAttribute("data-disabled")) {
|
|
return false;
|
|
}
|
|
|
|
const focusStyle = getTableFocusedItemStyle(element);
|
|
const oldCellID = element.getAttribute("data-current");
|
|
if (oldCellID) {
|
|
const oldCell = document.getElementById(oldCellID);
|
|
if (oldCell && oldCell.classList) {
|
|
oldCell.classList.remove(focusStyle);
|
|
oldCell.classList.remove(getTableSelectedItemStyle(element));
|
|
}
|
|
}
|
|
|
|
cell.classList.add(focusStyle);
|
|
element.setAttribute("data-current", cellID);
|
|
if (cell.scrollIntoViewIfNeeded) {
|
|
cell.scrollIntoViewIfNeeded()
|
|
} else {
|
|
cell.scrollIntoView({block: "nearest", inline: "nearest"});
|
|
}
|
|
|
|
sendMessage("currentCell{session=" + sessionID + ",id=" + element.id +
|
|
",row=" + row + ",column=" + column + "}");
|
|
return true;
|
|
}
|
|
|
|
function moveTableCellCursor(element, row, column, dr, dc) {
|
|
const rows = element.getAttribute("data-rows");
|
|
if (!rows) {
|
|
return;
|
|
}
|
|
const columns = element.getAttribute("data-columns");
|
|
if (!columns) {
|
|
return;
|
|
}
|
|
|
|
const rowCount = parseInt(rows);
|
|
const columnCount = parseInt(columns);
|
|
|
|
row += dr;
|
|
column += dc;
|
|
while (row >= 0 && row < rowCount && column >= 0 && column < columnCount) {
|
|
if (setTableCellCursor(element, row, column)) {
|
|
return;
|
|
} else if (dr == 0) {
|
|
var r2 = row - 1;
|
|
while (r2 >= 0) {
|
|
if (setTableCellCursor(element, r2, column)) {
|
|
return;
|
|
}
|
|
r2--;
|
|
}
|
|
} else if (dc == 0) {
|
|
var c2 = column - 1;
|
|
while (c2 >= 0) {
|
|
if (setTableCellCursor(element, row, c2)) {
|
|
return;
|
|
}
|
|
c2--;
|
|
}
|
|
}
|
|
row += dr;
|
|
column += dc;
|
|
}
|
|
}
|
|
|
|
function tableViewCellKeyDownEvent(element, event) {
|
|
const key = getKey(event);
|
|
if (!key) {
|
|
return;
|
|
}
|
|
|
|
const currentId = element.getAttribute("data-current");
|
|
if (!currentId || currentId == "") {
|
|
switch (key) {
|
|
case "ArrowLeft":
|
|
case "ArrowRight":
|
|
case "ArrowDown":
|
|
case "ArrowUp":
|
|
case "Home":
|
|
case "End":
|
|
case "PageUp":
|
|
case "PageDown":
|
|
const rows = element.getAttribute("data-rows");
|
|
const columns = element.getAttribute("data-columns");
|
|
if (rows && columns) {
|
|
const rowCount = parseInt(rows);
|
|
const columnCount = parseInt(rows);
|
|
row = 0;
|
|
while (row < rowCount) {
|
|
column = 0;
|
|
while (columns < columnCount) {
|
|
if (setTableCellCursor(element, row, column)) {
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
return;
|
|
}
|
|
column++;
|
|
}
|
|
row++;
|
|
}
|
|
}
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
const elements = currentId.split("-");
|
|
if (elements.length >= 3) {
|
|
const row = parseInt(elements[1], 10)
|
|
const column = parseInt(elements[2], 10)
|
|
|
|
switch (key) {
|
|
case " ":
|
|
case "Enter":
|
|
sendMessage("cellClick{session=" + sessionID + ",id=" + element.id +
|
|
",row=" + row + ",column=" + column + "}");
|
|
break;
|
|
|
|
case "ArrowLeft":
|
|
moveTableCellCursor(element, row, column, 0, -1)
|
|
break;
|
|
|
|
case "ArrowRight":
|
|
moveTableCellCursor(element, row, column, 0, 1)
|
|
break;
|
|
|
|
case "ArrowDown":
|
|
moveTableCellCursor(element, row, column, 1, 0)
|
|
break;
|
|
|
|
case "ArrowUp":
|
|
moveTableCellCursor(element, row, column, -1, 0)
|
|
break;
|
|
|
|
case "Home":
|
|
// TODO
|
|
break;
|
|
|
|
case "End":
|
|
/*var newRow = rowCount-1;
|
|
while (newRow > row) {
|
|
if (setTableRowCursor(element, newRow)) {
|
|
break;
|
|
}
|
|
newRow--;
|
|
}*/
|
|
// TODO
|
|
break;
|
|
|
|
case "PageUp":
|
|
// TODO
|
|
break;
|
|
|
|
case "PageDown":
|
|
// TODO
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
} else {
|
|
element.setAttribute("data-current", "");
|
|
}
|
|
}
|
|
|
|
function setTableRowCursor(element, row) {
|
|
const tableRowID = element.id + "-" + row;
|
|
var tableRow = document.getElementById(tableRowID);
|
|
if (!tableRow || tableRow.getAttribute("data-disabled")) {
|
|
return false;
|
|
}
|
|
|
|
const focusStyle = getTableFocusedItemStyle(element);
|
|
const oldRowID = element.getAttribute("data-current");
|
|
if (oldRowID) {
|
|
const oldRow = document.getElementById(oldRowID);
|
|
if (oldRow && oldRow.classList) {
|
|
oldRow.classList.remove(focusStyle);
|
|
oldRow.classList.remove(getTableSelectedItemStyle(element));
|
|
|
|
}
|
|
}
|
|
|
|
tableRow.classList.add(focusStyle);
|
|
element.setAttribute("data-current", tableRowID);
|
|
if (tableRow.scrollIntoViewIfNeeded) {
|
|
tableRow.scrollIntoViewIfNeeded()
|
|
} else {
|
|
tableRow.scrollIntoView({block: "nearest", inline: "nearest"});
|
|
}
|
|
|
|
sendMessage("currentRow{session=" + sessionID + ",id=" + element.id + ",row=" + row + "}");
|
|
return true;
|
|
}
|
|
|
|
function moveTableRowCursor(element, row, dr) {
|
|
const rows = element.getAttribute("data-rows");
|
|
if (!rows) {
|
|
return;
|
|
}
|
|
|
|
const rowCount = parseInt(rows);
|
|
row += dr;
|
|
while (row >= 0 && row < rowCount) {
|
|
if (setTableRowCursor(element, row)) {
|
|
return;
|
|
}
|
|
row += dr;
|
|
}
|
|
}
|
|
|
|
function tableViewRowKeyDownEvent(element, event) {
|
|
const key = getKey(event);
|
|
if (key) {
|
|
const currentId = element.getAttribute("data-current");
|
|
if (currentId) {
|
|
const elements = currentId.split("-");
|
|
if (elements.length >= 2) {
|
|
const row = parseInt(elements[1], 10);
|
|
switch (key) {
|
|
case " ":
|
|
case "Enter":
|
|
sendMessage("rowClick{session=" + sessionID + ",id=" + element.id + ",row=" + row + "}");
|
|
break;
|
|
|
|
case "ArrowDown":
|
|
moveTableRowCursor(element, row, 1)
|
|
break;
|
|
|
|
case "ArrowUp":
|
|
moveTableRowCursor(element, row, -1)
|
|
break;
|
|
|
|
case "Home":
|
|
var newRow = 0;
|
|
while (newRow < row) {
|
|
if (setTableRowCursor(element, newRow)) {
|
|
break;
|
|
}
|
|
newRow++;
|
|
}
|
|
break;
|
|
|
|
case "End":
|
|
var newRow = rowCount-1;
|
|
while (newRow > row) {
|
|
if (setTableRowCursor(element, newRow)) {
|
|
break;
|
|
}
|
|
newRow--;
|
|
}
|
|
break;
|
|
|
|
case "PageUp":
|
|
// TODO
|
|
break;
|
|
|
|
case "PageDown":
|
|
// TODO
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
return;
|
|
}
|
|
}
|
|
|
|
switch (key) {
|
|
case "ArrowLeft":
|
|
case "ArrowRight":
|
|
case "ArrowDown":
|
|
case "ArrowUp":
|
|
case "Home":
|
|
case "End":
|
|
case "PageUp":
|
|
case "PageDown":
|
|
const rows = element.getAttribute("data-rows");
|
|
if (rows) {
|
|
const rowCount = parseInt(rows);
|
|
row = 0;
|
|
while (row < rowCount) {
|
|
if (setTableRowCursor(element, row)) {
|
|
break;
|
|
}
|
|
row++;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
}
|
|
|
|
function tableCellClickEvent(element, event) {
|
|
event.preventDefault();
|
|
|
|
const elements = element.id.split("-");
|
|
if (elements.length < 3) {
|
|
return
|
|
}
|
|
|
|
const tableID = elements[0];
|
|
const row = parseInt(elements[1], 10);
|
|
const column = parseInt(elements[2], 10);
|
|
const table = document.getElementById(tableID);
|
|
if (table) {
|
|
const selection = table.getAttribute("data-selection");
|
|
if (selection == "cell") {
|
|
const currentID = table.getAttribute("data-current");
|
|
if (!currentID || currentID != element.ID) {
|
|
setTableCellCursor(table, row, column)
|
|
}
|
|
}
|
|
}
|
|
|
|
sendMessage("cellClick{session=" + sessionID + ",id=" + tableID +
|
|
",row=" + row + ",column=" + column + "}");
|
|
}
|
|
|
|
function tableRowClickEvent(element, event) {
|
|
event.preventDefault();
|
|
|
|
const elements = element.id.split("-");
|
|
if (elements.length < 2) {
|
|
return
|
|
}
|
|
|
|
const tableID = elements[0];
|
|
const row = parseInt(elements[1], 10);
|
|
const table = document.getElementById(tableID);
|
|
if (table) {
|
|
const selection = table.getAttribute("data-selection");
|
|
if (selection == "row") {
|
|
const currentID = table.getAttribute("data-current");
|
|
if (!currentID || currentID != element.ID) {
|
|
setTableRowCursor(table, row)
|
|
}
|
|
}
|
|
}
|
|
|
|
sendMessage("rowClick{session=" + sessionID + ",id=" + tableID + ",row=" + row + "}");
|
|
}
|
|
|
|
function imageLoaded(element, event) {
|
|
var message = "imageViewLoaded{session=" + sessionID + ",id=" + element.id +
|
|
",natural-width=" + element.naturalWidth +
|
|
",natural-height=" + element.naturalHeight +
|
|
",current-src=\"" + element.currentSrc + "\"}";
|
|
sendMessage(message);
|
|
scanElementsSize()
|
|
}
|
|
|
|
function imageError(element, event) {
|
|
var message = "imageViewError{session=" + sessionID + ",id=" + element.id + "}";
|
|
sendMessage(message);
|
|
}
|
|
|
|
function canvasTextMetrics(answerID, elementId, font, text) {
|
|
var w = 0;
|
|
var ascent = 0;
|
|
var descent = 0;
|
|
var left = 0;
|
|
var right = 0;
|
|
|
|
const canvas = document.getElementById(elementId);
|
|
if (canvas) {
|
|
const ctx = canvas.getContext('2d');
|
|
if (ctx) {
|
|
ctx.save()
|
|
const dpr = window.devicePixelRatio || 1;
|
|
ctx.scale(dpr, dpr);
|
|
ctx.font = font;
|
|
ctx.textBaseline = 'alphabetic';
|
|
ctx.textAlign = 'start';
|
|
var metrics = ctx.measureText(text)
|
|
w = metrics.width;
|
|
ascent = metrics.actualBoundingBoxAscent;
|
|
descent = metrics.actualBoundingBoxDescent;
|
|
left = metrics.actualBoundingBoxLeft;
|
|
right = metrics.actualBoundingBoxRight;
|
|
ctx.restore();
|
|
}
|
|
}
|
|
|
|
sendMessage('answer{answerID=' + answerID + ', width=' + w + ', ascent=' + ascent +
|
|
', descent=' + descent + ', left=' + left + ', right=' + right + '}');
|
|
}
|
|
|
|
function getPropertyValue(answerID, elementId, name) {
|
|
const element = document.getElementById(elementId);
|
|
if (element && element[name]) {
|
|
sendMessage('answer{answerID=' + answerID + ', value="' + element[name] + '"}')
|
|
return
|
|
}
|
|
|
|
sendMessage('answer{answerID=' + answerID + ', value=""}')
|
|
}
|
|
|
|
function appendStyles(styles) {
|
|
document.querySelector('style').textContent += styles
|
|
}
|
|
|
|
function getCanvasContext(elementId) {
|
|
const canvas = document.getElementById(elementId)
|
|
const ctx = canvas.getContext('2d');
|
|
const dpr = window.devicePixelRatio || 1;
|
|
//var gradient;
|
|
//var path;
|
|
//var img;
|
|
ctx.canvas.width = dpr * canvas.clientWidth;
|
|
ctx.canvas.height = dpr * canvas.clientHeight;
|
|
ctx.scale(dpr, dpr);
|
|
return ctx;
|
|
}
|