mirror of
https://github.com/openseadragon/openseadragon.git
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327 lines
8.7 KiB
JavaScript
327 lines
8.7 KiB
JavaScript
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/**
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* @fileOverview Contains standard code in the namespace 'wbos' and code specifically written for Codeview in the namespace 'codeview'
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* @author Wouter Bos (www.thebrightlines.com)
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* @since 1.0 - 2010-09-10
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* @version 1.0 - 2010-09-10
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*/
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if (typeof(wbos) == "undefined") {
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/**
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* @namespace Standard code of Wouter Bos (wbos)
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*/
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wbos = {}
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}
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if (typeof(wbos.CssTools) == "undefined") {
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/**
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* @namespace Namespace for CSS-related functionality
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*/
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wbos.CssTools = {}
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}
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/**
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* @namespace Fallback for CSS advanced media query
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* @class
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* @since 1.0 - 2010-09-10
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* @version 1.0 - 2010-09-10
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*/
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wbos.CssTools.MediaQueryFallBack = ( function() {
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var config = {
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cssScreen: "/css/screen.css",
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cssHandheld: "/css/handheld.css",
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mobileMaxWidth: 660,
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testDivClass: "cssLoadCheck",
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dynamicCssLinkId: "DynCssLink",
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resizeDelay: 30
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}
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var noMediaQuery = false;
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var delay;
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var currentCssMediaType;
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// Adding events to elements in the DOM without overwriting it
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function addEvent(element, newFunction, eventType) {
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var oldEvent = eval("element." + eventType);
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var eventContentType = eval("typeof element." + eventType)
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if ( eventContentType != 'function' ) {
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eval("element." + eventType + " = newFunction")
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} else {
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eval("element." + eventType + " = function(e) { oldEvent(e); newFunction(e); }")
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}
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}
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// Get the the inner width of the browser window
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function getWindowWidth() {
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if (window.innerWidth) {
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return window.innerWidth;
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} else if (document.documentElement.clientWidth) {
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return document.documentElement.clientWidth;
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} else if (document.body.clientWidth) {
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return document.body.clientWidth;
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} else{
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return 0;
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}
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}
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function addCssLink(cssHref) {
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var cssNode = document.createElement('link');
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var windowWidth;
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cssNode.type = 'text/css';
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cssNode.rel = 'stylesheet';
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cssNode.media = 'screen, handheld, fallback';
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cssNode.href = cssHref;
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document.getElementsByTagName("head")[0].appendChild(cssNode);
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}
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/* Start public */
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return {
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/**
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* Adds link to CSS in the head if no CSS is loaded
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*
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* @since 1.0 - 2010-08-21
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* @version 1.0 - 2010-08-21
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* @param {String|Object} cssScreen URL to CSS file for larger screens
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* @param {String|Object} cssHandheld URL to CSS file for smaller screens
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* @param {Number} mobileMaxWidth Maximum width for handheld devices
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* @example
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* wbos.CssTools.MediaQueryFallBack.LoadCss(['screen.css', 'screen2.css'], 'mobile.css', 480)
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*/
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LoadCss: function(cssScreen, cssHandheld, mobileMaxWidth) {
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// Set config values
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if (typeof(cssScreen) != "undefined") {
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config.cssScreen = cssScreen;
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}
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if (typeof(cssHandheld) != "undefined") {
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config.cssHandheld = cssHandheld;
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}
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if (typeof(mobileMaxWidth) != "undefined") {
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config.mobileMaxWidth = mobileMaxWidth;
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}
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// Check if CSS is loaded
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var cssloadCheckNode = document.createElement('div');
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cssloadCheckNode.className = config.testDivClass;
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document.getElementsByTagName("body")[0].appendChild(cssloadCheckNode);
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if (cssloadCheckNode.offsetWidth != 100 && noMediaQuery == false) {
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noMediaQuery = true;
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}
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cssloadCheckNode.parentNode.removeChild(cssloadCheckNode)
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if (noMediaQuery == true) {
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// Browser does not support Media Queries, so JavaScript will supply a fallback
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var cssHref = "";
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// Determines what CSS file to load
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if (getWindowWidth() <= config.mobileMaxWidth) {
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cssHref = config.cssHandheld;
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newCssMediaType = "handheld";
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} else {
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cssHref = config.cssScreen;
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newCssMediaType = "screen";
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}
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// Add CSS link to <head> of page
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if (cssHref != "" && currentCssMediaType != newCssMediaType) {
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var currentCssLinks = document.styleSheets
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for (var i = 0; i < currentCssLinks.length; i++) {
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for (var ii = 0; ii < currentCssLinks[i].media.length; ii++) {
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if (typeof(currentCssLinks[i].media) == "object") {
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if (currentCssLinks[i].media.item(ii) == "fallback") {
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currentCssLinks[i].ownerNode.parentNode.removeChild(currentCssLinks[i].ownerNode)
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i--
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break;
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}
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} else {
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if (currentCssLinks[i].media.indexOf("fallback") >= 0) {
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currentCssLinks[i].owningElement.parentNode.removeChild(currentCssLinks[i].owningElement)
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i--
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break;
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}
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}
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}
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}
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if (typeof(cssHref) == "object") {
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for (var i = 0; i < cssHref.length; i++) {
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addCssLink(cssHref[i])
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}
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} else {
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addCssLink(cssHref)
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}
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currentCssMediaType = newCssMediaType;
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}
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// Check screen size again if user resizes window
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addEvent(window, wbos.CssTools.MediaQueryFallBack.LoadCssDelayed, 'onresize')
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}
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},
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/**
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* Runs LoadCSS after a short delay
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*
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* @since 1.0 - 2010-08-21
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* @version 1.0 - 2010-08-21
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* @example
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* wbos.CssTools.MediaQueryFallBack.LoadCssDelayed()
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*/
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LoadCssDelayed: function() {
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clearTimeout(delay);
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delay = setTimeout( "wbos.CssTools.MediaQueryFallBack.LoadCss()", config.resizeDelay)
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}
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}
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/* End public */
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})();
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/**
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* @namespace Adds a function to an event of a single element. Use this if
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* you don't want to use jQuery
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* @class
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* @since 1.0 - 2010-02-23
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* @version 1.0 - 2010-02-23
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*/
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wbos.Events = ( function() {
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/* Start public */
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return {
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/**
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* Adds a function to an event of a single element
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*
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* @since 1.0 - 2010-02-23
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* @version 1.0 - 2010-02-23
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* @param {Object} element The element on which the event is placed
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* @param {Function} newFunction The function that has to be linked to the event
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* @param {String} eventType Name of the event
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* @example
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* wbos.Events.AddEvent( document.getElementById('elementId'), functionName, "onclick" )
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*/
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AddEvent: function( element, newFunction, eventType ) {
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var oldEvent = eval("element." + eventType);
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var eventContentType = eval("typeof element." + eventType)
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if ( eventContentType != 'function' ) {
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eval("element." + eventType + " = newFunction")
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} else {
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eval("element." + eventType + " = function(e) { oldEvent(e); newFunction(e); }")
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}
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}
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}
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/* End public */
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})();
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if (typeof(codeview) == "undefined") {
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/**
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* @namespace Code written for the Codeview template
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*/
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codeview = {}
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}
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/**
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* @namespace Enables filtering in class lists
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* @class
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* @since 1.0 - 2010-11-08
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* @version 1.0 - 2010-11-08
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*/
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codeview.classFilter = ( function() {
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function onkeyup_ClassFilter() {
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var listItems
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var search = document.getElementById('ClassFilter').value
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search = search.toLowerCase()
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if (document.getElementById('ClassList')) {
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listItems = document.getElementById('ClassList').getElementsByTagName('li')
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filterList(listItems, search)
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}
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if (document.getElementById('ClassList2')) {
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listItems = document.getElementById('ClassList2').getElementsByTagName('li')
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filterList(listItems, search)
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}
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if (document.getElementById('FileList')) {
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listItems = document.getElementById('FileList').getElementsByTagName('li')
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filterList(listItems, search)
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}
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if (document.getElementById('MethodsListInherited')) {
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var links = document.getElementById('MethodsListInherited').getElementsByTagName('a')
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var linksSelected = new Array()
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for (var i=0; i < links.length; i++) {
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if (links[i].parentNode.parentNode.tagName == "DD") {
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linksSelected.push(links[i])
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}
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}
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filterList(linksSelected, search)
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}
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if (document.getElementById('MethodsList')) {
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listItems = document.getElementById('MethodsList').getElementsByTagName('tbody')[0].getElementsByTagName('tr')
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filterList(listItems, search, document.getElementById('MethodDetail').getElementsByTagName('li'))
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}
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}
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function filterList(listItems, search, relatedElements) {
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var itemContent = ""
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for (var i=0; i < listItems.length; i++) {
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itemContent = listItems[i].textContent||listItems[i].innerText
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if (itemContent != undefined) {
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itemContent = itemContent.toLowerCase()
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itemContent = itemContent.replace(/\s/g, "")
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if (itemContent.indexOf(search) >= 0 || itemContent == "") {
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listItems[i].style.display = ""
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} else {
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listItems[i].style.display = "none"
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}
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if (relatedElements != null) {
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filterRelatedList(listItems[i], search, relatedElements)
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}
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}
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}
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}
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function filterRelatedList(listItem, search, relatedElements) {
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var itemIndex = parseInt(listItem.className.replace('item', ''))
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if (itemIndex <= relatedElements.length) {
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if (relatedElements[itemIndex].className == "item"+ itemIndex) {
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relatedElements[itemIndex].style.display = listItem.style.display
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}
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}
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}
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/* Start public */
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return {
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Init: function() {
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wbos.Events.AddEvent(
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document.getElementById('ClassFilter'),
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onkeyup_ClassFilter,
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"onkeyup"
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)
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}
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}
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/* End public */
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})();
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