411 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			411 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
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/* API LEVEL TOGGLE */
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addLoadEvent(changeApiLevel);
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var API_LEVEL_ENABLED_COOKIE = "api_level_enabled";
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var API_LEVEL_COOKIE = "api_level";
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var minLevel = 1;
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var maxLevel = 1;
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function toggleApiLevelSelector(checkbox) {
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  var date = new Date();
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  date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
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  var expiration = date.toGMTString();
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  if (checkbox.checked) {
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    $("#apiLevelSelector").removeAttr("disabled");
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    $("#api-level-toggle label").removeClass("disabled");
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    writeCookie(API_LEVEL_ENABLED_COOKIE, 1, null, expiration);
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  } else {
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    $("#apiLevelSelector").attr("disabled","disabled");
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    $("#api-level-toggle label").addClass("disabled");
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    writeCookie(API_LEVEL_ENABLED_COOKIE, 0, null, expiration);
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  }
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  changeApiLevel();
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}
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function buildApiLevelSelector() {
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  maxLevel = SINCE_DATA.length;
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  var userApiLevelEnabled = readCookie(API_LEVEL_ENABLED_COOKIE);
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  var userApiLevel = parseInt(readCookie(API_LEVEL_COOKIE));
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  userApiLevel = userApiLevel == 0 ? maxLevel : userApiLevel; // If there's no cookie (zero), use the max by default
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  if (userApiLevelEnabled == 0) {
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    $("#apiLevelSelector").attr("disabled","disabled");
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  } else {
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    $("#apiLevelCheckbox").attr("checked","checked");
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    $("#api-level-toggle label").removeClass("disabled");
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  }
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  minLevel = parseInt($("body").attr("class"));
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  // Handle provisional api levels; the provisional level will always be the highest possible level
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  // Provisional api levels will also have a length; other stuff that's just missing a level won't,
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  // so leave those kinds of entities at the default level of 1 (for example, the R.styleable class)
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  if (isNaN(minLevel) && minLevel.length) {
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    minLevel = maxLevel;
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  }
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  var select = $("#apiLevelSelector").html("").change(changeApiLevel);
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  for (var i = maxLevel-1; i >= 0; i--) {
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    var option = $("<option />").attr("value",""+SINCE_DATA[i]).append(""+SINCE_DATA[i]);
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  //  if (SINCE_DATA[i] < minLevel) option.addClass("absent"); // always false for strings (codenames)
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    select.append(option);
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  }
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  // get the DOM element and use setAttribute cuz IE6 fails when using jquery .attr('selected',true)
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  var selectedLevelItem = $("#apiLevelSelector option[value='"+userApiLevel+"']").get(0);
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  selectedLevelItem.setAttribute('selected',true);
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}
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function changeApiLevel() {
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  maxLevel = SINCE_DATA.length;
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  var userApiLevelEnabled = readCookie(API_LEVEL_ENABLED_COOKIE);
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  var selectedLevel = maxLevel;
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  if (userApiLevelEnabled == 0) {
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    toggleVisisbleApis(selectedLevel, "body");
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  } else {
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    selectedLevel = parseInt($("#apiLevelSelector option:selected").val());
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    toggleVisisbleApis(selectedLevel, "body");
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    var date = new Date();
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    date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
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    var expiration = date.toGMTString();
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    writeCookie(API_LEVEL_COOKIE, selectedLevel, null, expiration);
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  }
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  if (selectedLevel < minLevel) {
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    var thing = ($("#jd-header").html().indexOf("package") != -1) ? "package" : "class";
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    $("#naMessage").show().html("<div><p><strong>This " + thing + " is not available with API Level " + selectedLevel + ".</strong></p>"
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                              + "<p>To use this " + thing + ", your application must specify API Level \"" + $("body").attr("class") + "\" or higher in its manifest "
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                              + "and be compiled against a version of the Android library that supports an equal or higher API Level. To reveal this "
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                              + "document, change the value of the API Level filter above.</p>"
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                              + "<p><a href='" +toRoot+ "guide/appendix/api-levels.html'>What is the API Level?</a></p></div>");
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  } else {
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    $("#naMessage").hide();
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  }
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}
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function toggleVisisbleApis(selectedLevel, context) {
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  var apis = $(".api",context);
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  apis.each(function(i) {
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    var obj = $(this);
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    var className = obj.attr("class");
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    var apiLevelIndex = className.lastIndexOf("-")+1;
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    var apiLevelEndIndex = className.indexOf(" ", apiLevelIndex);
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    apiLevelEndIndex = apiLevelEndIndex != -1 ? apiLevelEndIndex : className.length;
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    var apiLevel = className.substring(apiLevelIndex, apiLevelEndIndex);
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    if (apiLevel.length == 0) { // for odd cases when the since data is actually missing, just bail
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      return;
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    }
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    apiLevel = parseInt(apiLevel);
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    // Handle provisional api levels; if this item's level is the provisional one, set it to the max
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    var selectedLevelNum = parseInt(selectedLevel)
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    var apiLevelNum = parseInt(apiLevel);
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    if (isNaN(apiLevelNum)) {
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        apiLevelNum = maxLevel;
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    }
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    // Grey things out that aren't available and give a tooltip title
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    if (apiLevelNum > selectedLevelNum) obj.addClass("absent").attr("title","Requires API Level \""
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            + apiLevel + "\" or higher");
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    else obj.removeClass("absent").removeAttr("title");
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  });
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}
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/* NAVTREE */
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function new_node(me, mom, text, link, children_data, api_level)
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{
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  var node = new Object();
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  node.children = Array();
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  node.children_data = children_data;
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  node.depth = mom.depth + 1;
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  node.li = document.createElement("li");
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  mom.get_children_ul().appendChild(node.li);
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  node.label_div = document.createElement("div");
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  node.label_div.className = "label";
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  if (api_level != null) {
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    $(node.label_div).addClass("api");
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    $(node.label_div).addClass("api-level-"+api_level);
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  }
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  node.li.appendChild(node.label_div);
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  node.label_div.style.paddingLeft = 10*node.depth + "px";
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  if (children_data == null) {
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    // 12 is the width of the triangle and padding extra space
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    node.label_div.style.paddingLeft = ((10*node.depth)+12) + "px";
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  } else {
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    node.label_div.style.paddingLeft = 10*node.depth + "px";
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    node.expand_toggle = document.createElement("a");
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    node.expand_toggle.href = "javascript:void(0)";
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    node.expand_toggle.onclick = function() {
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          if (node.expanded) {
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            $(node.get_children_ul()).slideUp("fast");
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            node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
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            node.expanded = false;
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          } else {
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            expand_node(me, node);
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          }
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       };
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    node.label_div.appendChild(node.expand_toggle);
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    node.plus_img = document.createElement("img");
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    node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
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    node.plus_img.className = "plus";
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    node.plus_img.border = "0";
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    node.expand_toggle.appendChild(node.plus_img);
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    node.expanded = false;
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  }
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  var a = document.createElement("a");
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  node.label_div.appendChild(a);
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  node.label = document.createTextNode(text);
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  a.appendChild(node.label);
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  if (link) {
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    a.href = me.toroot + link;
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  } else {
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    if (children_data != null) {
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      a.className = "nolink";
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      a.href = "javascript:void(0)";
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      a.onclick = node.expand_toggle.onclick;
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      // This next line shouldn't be necessary.  I'll buy a beer for the first
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      // person who figures out how to remove this line and have the link
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      // toggle shut on the first try. --joeo@android.com
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      node.expanded = false;
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    }
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  }
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  node.children_ul = null;
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  node.get_children_ul = function() {
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      if (!node.children_ul) {
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        node.children_ul = document.createElement("ul");
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        node.children_ul.className = "children_ul";
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        node.children_ul.style.display = "none";
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        node.li.appendChild(node.children_ul);
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      }
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      return node.children_ul;
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    };
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  return node;
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}
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function expand_node(me, node)
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{
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  if (node.children_data && !node.expanded) {
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    if (node.children_visited) {
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      $(node.get_children_ul()).slideDown("fast");
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    } else {
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      get_node(me, node);
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      if ($(node.label_div).hasClass("absent")) $(node.get_children_ul()).addClass("absent");
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      $(node.get_children_ul()).slideDown("fast");
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    }
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    node.plus_img.src = me.toroot + "assets/images/triangle-opened-small.png";
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    node.expanded = true;
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    // perform api level toggling because new nodes are new to the DOM
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    var selectedLevel = $("#apiLevelSelector option:selected").val();
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    toggleVisisbleApis(selectedLevel, "#side-nav");
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  }
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}
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function get_node(me, mom)
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{
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  mom.children_visited = true;
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  for (var i in mom.children_data) {
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    var node_data = mom.children_data[i];
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    mom.children[i] = new_node(me, mom, node_data[0], node_data[1],
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        node_data[2], node_data[3]);
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  }
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}
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function this_page_relative(toroot)
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{
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  var full = document.location.pathname;
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  var file = "";
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  if (toroot.substr(0, 1) == "/") {
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    if (full.substr(0, toroot.length) == toroot) {
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      return full.substr(toroot.length);
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    } else {
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      // the file isn't under toroot.  Fail.
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      return null;
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    }
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  } else {
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    if (toroot != "./") {
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      toroot = "./" + toroot;
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    }
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    do {
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      if (toroot.substr(toroot.length-3, 3) == "../" || toroot == "./") {
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        var pos = full.lastIndexOf("/");
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        file = full.substr(pos) + file;
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        full = full.substr(0, pos);
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        toroot = toroot.substr(0, toroot.length-3);
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      }
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    } while (toroot != "" && toroot != "/");
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    return file.substr(1);
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  }
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}
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function find_page(url, data)
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{
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  var nodes = data;
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  var result = null;
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  for (var i in nodes) {
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    var d = nodes[i];
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    if (d[1] == url) {
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      return new Array(i);
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    }
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    else if (d[2] != null) {
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      result = find_page(url, d[2]);
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      if (result != null) {
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        return (new Array(i).concat(result));
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      }
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    }
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  }
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  return null;
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}
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function load_navtree_data(toroot) {
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  var navtreeData = document.createElement("script");
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  navtreeData.setAttribute("type","text/javascript");
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  navtreeData.setAttribute("src", toroot+"navtree_data.js");
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  $("head").append($(navtreeData));
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}
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function init_default_navtree(toroot) {
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  init_navtree("nav-tree", toroot, NAVTREE_DATA);
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  // perform api level toggling because because the whole tree is new to the DOM
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  var selectedLevel = $("#apiLevelSelector option:selected").val();
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  toggleVisisbleApis(selectedLevel, "#side-nav");
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}
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function init_navtree(navtree_id, toroot, root_nodes)
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{
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  var me = new Object();
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  me.toroot = toroot;
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  me.node = new Object();
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  me.node.li = document.getElementById(navtree_id);
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  me.node.children_data = root_nodes;
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  me.node.children = new Array();
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  me.node.children_ul = document.createElement("ul");
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  me.node.get_children_ul = function() { return me.node.children_ul; };
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  //me.node.children_ul.className = "children_ul";
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  me.node.li.appendChild(me.node.children_ul);
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  me.node.depth = 0;
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  get_node(me, me.node);
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  me.this_page = this_page_relative(toroot);
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  me.breadcrumbs = find_page(me.this_page, root_nodes);
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  if (me.breadcrumbs != null && me.breadcrumbs.length != 0) {
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    var mom = me.node;
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    for (var i in me.breadcrumbs) {
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      var j = me.breadcrumbs[i];
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      mom = mom.children[j];
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      expand_node(me, mom);
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    }
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    mom.label_div.className = mom.label_div.className + " selected";
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    addLoadEvent(function() {
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      scrollIntoView("nav-tree");
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      });
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  }
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}
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/* TOGGLE INHERITED MEMBERS */
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/* Toggle an inherited class (arrow toggle)
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 * @param linkObj  The link that was clicked.
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 * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
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 *                'null' to simply toggle.
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 */
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function toggleInherited(linkObj, expand) {
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    var base = linkObj.getAttribute("id");
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    var list = document.getElementById(base + "-list");
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    var summary = document.getElementById(base + "-summary");
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    var trigger = document.getElementById(base + "-trigger");
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    var a = $(linkObj);
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    if ( (expand == null && a.hasClass("closed")) || expand ) {
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        list.style.display = "none";
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        summary.style.display = "block";
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        trigger.src = toRoot + "assets/images/triangle-opened.png";
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        a.removeClass("closed");
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        a.addClass("opened");
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    } else if ( (expand == null && a.hasClass("opened")) || (expand == false) ) {
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        list.style.display = "block";
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        summary.style.display = "none";
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        trigger.src = toRoot + "assets/images/triangle-closed.png";
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        a.removeClass("opened");
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        a.addClass("closed");
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    }
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    return false;
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}
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/* Toggle all inherited classes in a single table (e.g. all inherited methods)
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 * @param linkObj  The link that was clicked.
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 * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
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 *                'null' to simply toggle.
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 */
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function toggleAllInherited(linkObj, expand) {
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  var a = $(linkObj);
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  var table = $(a.parent().parent().parent()); // ugly way to get table/tbody
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  var expandos = $(".jd-expando-trigger", table);
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  if ( (expand == null && a.text() == "[Expand]") || expand ) {
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    expandos.each(function(i) {
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      toggleInherited(this, true);
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    });
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    a.text("[Collapse]");
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  } else if ( (expand == null && a.text() == "[Collapse]") || (expand == false) ) {
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    expandos.each(function(i) {
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      toggleInherited(this, false);
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    });
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    a.text("[Expand]");
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  }
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  return false;
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}
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/* Toggle all inherited members in the class (link in the class title)
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 */
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function toggleAllClassInherited() {
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  var a = $("#toggleAllClassInherited"); // get toggle link from class title
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  var toggles = $(".toggle-all", $("#doc-content"));
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  if (a.text() == "[Expand All]") {
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    toggles.each(function(i) {
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      toggleAllInherited(this, true);
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    });
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    a.text("[Collapse All]");
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  } else {
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    toggles.each(function(i) {
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      toggleAllInherited(this, false);
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    });
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    a.text("[Expand All]");
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  }
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  return false;
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}
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/* Expand all inherited members in the class. Used when initiating page search */
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function ensureAllInheritedExpanded() {
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  var toggles = $(".toggle-all", $("#doc-content"));
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  toggles.each(function(i) {
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    toggleAllInherited(this, true);
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  });
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  $("#toggleAllClassInherited").text("[Collapse All]");
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}
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/* HANDLE KEY EVENTS
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 * - Listen for Ctrl+F (Cmd on Mac) and expand all inherited members (to aid page search)
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 */
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var agent = navigator['userAgent'].toLowerCase();
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var mac = agent.indexOf("macintosh") != -1;
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$(document).keydown( function(e) {
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var control = mac ? e.metaKey && !e.ctrlKey : e.ctrlKey; // get ctrl key
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						|
  if (control && e.which == 70) {  // 70 is "F"
 | 
						|
    ensureAllInheritedExpanded();
 | 
						|
  }
 | 
						|
}); |