Release-1.5.9-20090622

1 files changed, 456 insertions, 0 deletions

diff --git a/src/search.js b/src/search.js
new file mode 100644
index 0000000..02af28d
--- /dev/null
+++ b/src/search.js
@@ -0,0 +1,456 @@
+function convertToId(search)
+{
+  var result = '';
+  for (i=0;i<search.length;i++)
+  {
+    var c = search.charAt(i);
+    var cn = c.charCodeAt(0);
+    if (c.match(/[a-z0-9]/))
+    {
+      result+=c;
+    }
+    else if (cn<16) 
+    {
+      result+="_0"+cn.toString(16);
+    }
+    else 
+    {
+      result+="_"+cn.toString(16);
+    }
+  }
+  return result;
+}
+
+function getXPos(item)
+{
+  var x = 0;
+  if (item.offsetWidth)
+  {
+    while (item && item!=document.body)
+    {
+      x   += item.offsetLeft;
+      item = item.offsetParent;
+    }
+  }
+  return x;
+}
+
+function getYPos(item)
+{
+  var y = 0;
+  if (item.offsetWidth)
+  {
+     while (item && item!=document.body)
+     {
+       y   += item.offsetTop;
+       item = item.offsetParent;
+     }
+  }
+  return y;
+}
+
+/* A class handling everything associated with the search panel.
+
+   Parameters:
+   name - The name of the global variable that will be 
+          storing this instance.  Is needed to be able to set timeouts.
+   resultPath - path to use for external files
+*/
+function SearchBox(name, resultsPath, inFrame)
+{
+  if (!name || !resultsPath) {  alert("Missing parameters to SearchBox."); }
+   
+  // ---------- Instance variables
+  this.name                  = name;
+  this.resultsPath           = resultsPath;
+  this.keyTimeout            = 0;
+  this.keyTimeoutLength      = 500;
+  this.closeSelectionTimeout = 300;
+  this.lastSearchValue       = "";
+  this.lastResultsPage       = "";
+  this.hideTimeout           = 0;
+  this.searchTopic           = "all";
+  this.searchActive          = false;
+  this.insideFrame           = inFrame;
+
+  // ----------- DOM Elements
+
+  this.DOMSearchField = function()
+  {  return document.getElementById("MSearchField");  }
+
+  this.DOMSearchSelect = function()
+  {  return document.getElementById("MSearchSelect");  }
+
+  this.DOMSearchSelectWindow = function()
+  {  return document.getElementById("MSearchSelectWindow");  }
+
+  this.DOMPopupSearchResults = function()
+  {  return document.getElementById("MSearchResults");  }
+
+  this.DOMPopupSearchResultsWindow = function()
+  {  return document.getElementById("MSearchResultsWindow");  }
+
+  this.DOMSearchResultWindowClose = function()
+  {  return document.getElementById("MSearchResultsWindowClose"); }
+
+  this.DOMSearchBox = function()
+  {  return document.getElementById("MSearchBox");  }
+
+  // ------------ Event Handlers
+
+  // Called when focus is added or removed from the search field.
+  this.OnSearchFieldFocus = function(isActive)
+  {
+    this.Activate(isActive);
+  }
+
+  this.OnSearchSelectShow = function()
+  {
+    var searchSelectWindow = this.DOMSearchSelectWindow();
+    var searchField        = this.DOMSearchSelect();
+
+    if (this.insideFrame)
+    {
+      var left = getXPos(searchField);
+      var top  = getYPos(searchField);
+      left += searchField.offsetWidth + 6;
+      top += searchField.offsetHeight;
+
+      // show search selection popup
+      searchSelectWindow.style.display='block';
+      left -= searchSelectWindow.offsetWidth;
+      searchSelectWindow.style.left =  left + 'px';
+      searchSelectWindow.style.top  =  top  + 'px';
+    }
+    else
+    {
+      var left = getXPos(searchField);
+      var top  = getYPos(searchField);
+      top += searchField.offsetHeight;
+
+      // show search selection popup
+      searchSelectWindow.style.display='block';
+      searchSelectWindow.style.left =  left + 'px';
+      searchSelectWindow.style.top  =  top  + 'px';
+    }
+
+    // stop selection hide timer
+    if (this.hideTimeout) 
+    {
+      clearTimeout(this.hideTimeout);
+      this.hideTimeout=0;
+    }
+    return false; // to avoid "image drag" default event
+  }
+
+  this.OnSearchSelectHide = function()
+  {
+    this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()",
+                                  this.closeSelectionTimeout);
+  }
+
+  // Called when the content of the search field is changed.
+  this.OnSearchFieldChange = function()
+  {
+    if (this.keyTimeout) // kill running timer
+    {
+      clearTimeout(this.keyTimeout);
+      this.keyTimeout = 0;
+    }
+
+    // strip whitespaces
+    var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
+
+    if (searchValue != this.lastSearchValue) // search value has changed
+    {
+      if (searchValue != "") // non-empty search
+      {
+        // set timer for search update
+        this.keyTimeout = setTimeout(this.name + '.Search()',
+                                     this.keyTimeoutLength);
+      }
+      else // empty search field
+      {
+        this.DOMPopupSearchResultsWindow().style.display = 'none';
+        this.lastSearchValue = '';
+      }
+    }
+  }
+
+  // Called when an search filter selection is made.
+  // set item with index id as the active item
+  this.OnSelectItem = function(id,topic)
+  {
+    var i,j=0;
+    var win=this.DOMSearchSelectWindow(); 
+    for (i=0;i<win.childNodes.length;i++)
+    {
+      var child = win.childNodes[i]; // get span within a
+      if (child.className=='SelectItem')
+      {
+        var node = child.firstChild;
+	if (j==id)
+	{
+          // add a tickmark: see http://doogalbellend.blogspot.com/2007/05/even-more-on-tick-marks-in-html.html
+          node.innerHTML='&bull;';
+        } 
+        else
+        {
+          node.innerHTML='&nbsp;';
+        }
+        j++;
+      }
+    }
+    if (topic)
+    {
+      this.searchTopic = topic;
+      var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
+      if (searchValue != "" && this.searchActive) // something was found -> do a search
+      {
+        this.Search();
+      }
+    }
+    else
+    {
+      this.Activate(false);
+    }
+  }
+
+  this.OnCloseHighlight = function(active)
+  {
+    var close = this.DOMSearchResultWindowClose();
+    if (active)
+    {
+      close.firstChild.src = this.resultsPath + '/close_active.png';
+    }
+    else
+    {
+      close.firstChild.src = this.resultsPath + '/close.png';
+    }
+    return false;
+  }
+
+  // --------- Actions
+
+  // Closes the results window.
+  this.CloseResultsWindow = function()
+  {
+    this.DOMPopupSearchResultsWindow().style.display = "none";
+    this.Activate(false);
+  }
+
+  this.CloseSelectionWindow = function()
+  {
+    this.DOMSearchSelectWindow().style.display = "none";
+  }
+
+  // Performs a search.
+  this.Search = function()
+  {
+    this.keyTimeout = 0;
+
+    // strip leading whitespace
+    var searchValue = this.DOMSearchField().value.replace(/^ +/, "");
+
+    var code = searchValue.toLowerCase().charCodeAt(0);
+    var hexCode;
+    if (code<16) 
+    {
+      hexCode="0"+code.toString(16);
+    }
+    else 
+    {
+      hexCode=code.toString(16);
+    }
+
+    var resultsPage;
+    var resultsPageWithSearch;
+    var hasResultsPage;
+
+    // indexSectionsWithContent is defined in searchdata.js
+    if (indexSectionsWithContent[this.searchTopic].charAt(code-32) == '1')
+    {
+       resultsPage = this.resultsPath + '/' + this.searchTopic + '_' + hexCode + '.html';
+       resultsPageWithSearch = resultsPage+'?'+escape(searchValue);
+       hasResultsPage = true;
+    }
+    else // nothing available for this search term
+    {
+       resultsPage = this.resultsPath + '/nomatches.html';
+       resultsPageWithSearch = resultsPage;
+       hasResultsPage = false;
+    }
+
+    window.frames.MSearchResults.location.href = resultsPageWithSearch;  
+    var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow();
+
+    if (domPopupSearchResultsWindow.style.display!="block")
+    {
+       if (this.insideFrame)
+       {
+         var domSearchBox = this.DOMSearchBox();
+         var domPopupSearchResults = this.DOMPopupSearchResults();
+         this.DOMSearchResultWindowClose().style.textAlign = 'left';
+         domPopupSearchResultsWindow.style.position = 'relative';
+         domPopupSearchResultsWindow.style.display  = 'block';
+         var width = document.body.clientWidth - 8; // the -8 is for IE :-(
+         domPopupSearchResultsWindow.style.width    = width + 'px';
+         domPopupSearchResults.style.width          = width + 'px';
+       }
+       else
+       {
+         var domSearchField = this.DOMSearchField();
+         var domPopupSearchResults = this.DOMPopupSearchResults();
+         var left = getXPos(domSearchField) + domSearchField.offsetWidth;
+         var top  = getYPos(domSearchField) + domSearchField.offsetHeight + 1;
+         domPopupSearchResultsWindow.style.display = 'block';
+         left -= domPopupSearchResults.offsetWidth;
+         domPopupSearchResultsWindow.style.top     = top  + 'px';
+         domPopupSearchResultsWindow.style.left    = left + 'px';
+       }
+    }
+
+    this.lastSearchValue = searchValue;
+    this.lastResultsPage = resultsPage;
+  }
+
+  // -------- Activation Functions
+
+  // Activates or deactivates the search panel, resetting things to 
+  // their default values if necessary. 
+  this.Activate = function(isActive)
+  {
+    if (isActive || // open it
+        this.DOMPopupSearchResultsWindow().style.display == 'block' 
+       )
+    {
+      this.DOMSearchBox().className = 'MSearchBoxActive';
+
+      var searchField = this.DOMSearchField();
+
+      if (searchField.value == 'Search') // clear "Search" term upon entry
+      {  
+        searchField.value = '';  
+        this.searchActive = true;
+      }
+    }
+    else if (!isActive) // directly remove the panel
+    {
+      this.DOMSearchBox().className = 'MSearchBoxInactive';
+      this.DOMSearchField().value   = 'Search';
+      this.searchActive             = false;
+      this.lastSearchValue          = ''
+      this.lastResultsPage          = '';
+    }
+  }
+}
+
+// -----------------------------------------------------------------------
+
+// The class that handles everything on the search results page.
+function SearchResults(name)
+{
+    // The number of matches from the last run of <Search()>.
+    this.lastMatchCount = 0;
+
+    // Toggles the visibility of the passed element ID.
+    this.Toggle = function(id)
+    {
+      var parentElement = document.getElementById(id);
+      var element = parentElement.firstChild;
+
+      while (element && element!=parentElement)
+      {
+        if (element.nodeName == 'DIV' && element.className == 'SRChildren')
+        {
+          if (element.style.display == 'block')
+          {  
+            element.style.display = 'none';  
+          }
+          else
+          {  
+            element.style.display = 'block';  
+          }
+        }
+
+        if (element.nodeName == 'DIV' && element.hasChildNodes())
+        {  
+           element = element.firstChild;  
+        }
+        else if (element.nextSibling)
+        {  
+           element = element.nextSibling;  
+        }
+        else
+        {
+          do
+          {
+            element = element.parentNode;
+          }
+          while (element && element!=parentElement && !element.nextSibling);
+
+          if (element && element!=parentElement)
+          {  
+            element = element.nextSibling;  
+          }
+        }
+      }
+    }
+
+    // Searches for the passed string.  If there is no parameter, 
+    // it takes it from the URL query.
+    //
+    // Always returns true, since other documents may try to call it 
+    // and that may or may not be possible.
+    this.Search = function(search)
+    {
+      if (!search) // get search word from URL
+      {
+        search = window.location.search;
+        search = search.substring(1);  // Remove the leading '?'
+        search = unescape(search);
+      }
+
+      search = search.replace(/^ +/, ""); // strip leading spaces
+      search = search.replace(/ +$/, ""); // strip trailing spaces
+      search = search.toLowerCase();
+      search = convertToId(search);
+
+      var resultRows = document.getElementsByTagName("div");
+      var matches = 0;
+
+      var i = 0;
+      while (i < resultRows.length)
+      {
+        var row = resultRows.item(i);
+        if (row.className == "SRResult")
+        {
+          var rowMatchName = row.id.toLowerCase();
+          rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_'
+
+          if (search.length<=rowMatchName.length && 
+             rowMatchName.substr(0, search.length)==search)
+          {
+            row.style.display = "block";
+            matches++;
+          }
+          else
+          {  
+            row.style.display = "none";  
+          }
+        }
+        i++;
+      }
+      document.getElementById("Searching").style.display="none";
+      if (matches == 0) // no results
+      {  
+        document.getElementById("NoMatches").style.display="block";  
+      }
+      else // at least one result
+      {  
+        document.getElementById("NoMatches").style.display="none";  
+      }
+      this.lastMatchCount = matches;
+      return true;
+    }
+}