0);
nodeImg = getIconForNode( hasParents, isOpened, last, true );
if (hasParents && isOpened)
{
html += expandParentFolder( currentNodeId, last, parentnode, remainingLevels );
}
html += '';
if (last)
html += '| ';
else
html += ' | ';
html += ' ';
html += ' | ';
if (parentnode.type == TYPE_TN)
{
alert("Parent node should never be a terminal node!");
}
else
if (parentnode.type == TYPE_IN)
{
html += ''
+ parentnode.name
+ ' (' + getSubdocumentsNumber(parentnode) + ')'
+ '';
}
html += " | ";
html += "
";
}
return html;
} // }}}
// Returns a visualization of a node in children axis of the groups graph
function getViewForNode(node, remainingLevels) // {{{
{
var html = "";
var children = arcs[node.id];
if (children == null)
return "";
// This counts the number of children
// nodes -- it is quite inefficient, maybe it should
// be precached as a property?
var i = 0;
for (key in children)
if (OUTPUT_TERMINAL_NODES)
i++
else
if (nodes[children[key]].type != TYPE_TN)
i++;
var bar = false;
for (key in children)
{
var subnode = nodes[children[key]];
if (OUTPUT_TERMINAL_NODES == false && subnode.type == TYPE_TN)
continue;
i--;
var last = (i==0);
var hasSubnodes = ((OUTPUT_TERMINAL_NODES==true && arcs[subnode.id] != null)
|| (OUTPUT_TERMINAL_NODES==false && subnode.hasSubgroups));
var isOpened = (remainingLevels > 0);
if (OUTPUT_TERMINAL_NODES==true && NO_TERMINAL_GROUPS_EXPANSION && subnode.hasSubgroups!=true)
isOpened = false;
var currentNodeId = nextNodeId++;
var nodeImg = getIconForNode( hasSubnodes, isOpened, last, /* parent axis? */ false );
html += '';
if (last)
{
html += '| ';
}
else
{
html += ' | ';
}
html += ' ';
bar = !bar;
//---------------------Truncate names, sometimes longs-----------------
var threshold = 0;
if (subnode.type == TYPE_TN) {threshold = 35}
if (subnode.type == TYPE_IN) {threshold = 30}
var name_to_print = '';
if (subnode.name.length > threshold) {
name_to_print = subnode.name.substr(0,threshold-1);
name_to_print = name_to_print + '...';
} else {name_to_print = subnode.name;}
//---------------------------------------------------------------------
if (subnode.type == TYPE_TN)
{
html += '' + name_to_print + '';
}
else
if (subnode.type == TYPE_IN)
{
html += ''
+ name_to_print
+ ' (' + getOrderedSnippetsToLevel( subnode, MAX_SUBGROUP_SNIPPET_DISPLAY ).length + ')'
+ '';
}
html += " | ";
html += "
";
if (hasSubnodes && isOpened)
{
setTimeout("switchState(null, '" + currentNodeId + "','" + subnode.id + "'," + last + ')', 500);
// html += expandFolder( currentNodeId, last, subnode, remainingLevels );
}
}
return html;
} // }}}
var lastSelection = null;
function clickMe( object )
{
if (lastSelection != null)
{
lastSelection.style.color = lastSelection.prevColor;
}
object.prevColor = object.style.color;
object.style.color = 'red';
lastSelection = object;
}
// expands/ contracts a node in children axis of the groups graph.
function switchState( imgElement, trElementId, nodeId, last ) // {{{
{
var nodeTrElement = document.all["IDN" + trElementId];
if (nodeTrElement == null)
{
alert("Error: Null TR element for IDN=" + trElementId + ". Notify authors.");
return;
}
var isOpened = true;
// expand/ contract subnode.
var subnodeTrElement = document.all[ "IDS" + trElementId ];
if (navigator.family=='ie4')
{
if (subnodeTrElement == null)
{
var rowHTML = ''
+ expandFolder( trElementId, last, nodes[nodeId], 1 )
+ '
';
var row = nodeTrElement.parentElement.insertRow( nodeTrElement.rowIndex + 1);
var cell = row.insertCell(0);
cell.colSpan = 2;
cell.innerHTML = ""; // iexplorer resize bug.
cell.innerHTML = rowHTML;
}
else
{
var row = nodeTrElement.rowIndex + 1;
if (nodeTrElement.parentElement.rows[row].style.display == "none")
nodeTrElement.parentElement.rows[row].style.display = "block";
else {
nodeTrElement.parentElement.rows[row].style.display = "none";
isOpened = false;
}
}
}
else
{
if (subnodeTrElement == null)
{
var rowHTML;
if (nodeTrElement.subNodeHTML != null)
rowHTML = nodeTrElement.subNodeHTML;
else
rowHTML = expandFolder( trElementId, last, nodes[nodeId], 1 );
nodeTrElement.insertAdjacentHTML('AfterEnd', rowHTML);
}
else
{
nodeTrElement.subNodeHTML = subnodeTrElement.outerHTML;
nodeTrElement.parentElement.deleteRow( nodeTrElement.rowIndex + 1);
isOpened = false;
}
}
// replace node icon image
if (imgElement != null)
imgElement.src = images[ getIconForNode( true, isOpened, last, false ) ].src;
} // }}}
// expands/ contracts a node in parents axis of the groups graph
function switchParentState( imgElement, trElementId, nodeId, last ) // {{{
{
var nodeTrElement = document.all["IDN" + trElementId];
if (nodeTrElement == null)
{
alert("Error: Null TR element for IDN=" + trElementId + ". Notify authors.");
return;
}
var isOpened = true;
// expand/ contract subnode.
var parentNodeTrElement = document.all[ "IDS" + trElementId ];
if (navigator.family=='ie4')
{
if (parentNodeTrElement == null)
{
var rowHTML = ''
+ expandParentFolder( trElementId, last, nodes[nodeId], 1 )
+ '
';
var row = nodeTrElement.parentElement.insertRow( nodeTrElement.rowIndex );
var cell = row.insertCell(0);
cell.colSpan = 2;
cell.innerHTML = ""; // iexplorer resize bug.
cell.innerHTML = rowHTML;
}
else
{
var row = nodeTrElement.rowIndex - 1;
if (nodeTrElement.parentElement.rows[row].style.display == "none")
nodeTrElement.parentElement.rows[row].style.display = "block";
else {
nodeTrElement.parentElement.rows[row].style.display = "none";
isOpened = false;
}
}
}
else
{
if (parentNodeTrElement == null)
{
var rowHTML;
if (nodeTrElement.parentNodeHTML != null)
rowHTML = nodeTrElement.parentNodeHTML;
else
rowHTML = expandParentFolder( trElementId, last, nodes[nodeId], 1 );
nodeTrElement.insertAdjacentHTML('BeforeBegin', rowHTML);
}
else
{
nodeTrElement.parentNodeHTML = parentNodeTrElement.outerHTML;
nodeTrElement.parentElement.deleteRow( nodeTrElement.rowIndex - 1);
isOpened = false;
}
}
// replace node icon image
imgElement.src = images[ getIconForNode( true, isOpened, last, true ) ].src;
} // }}}
// Returns an HTML fragment for a parent axis subnode
function expandParentFolder(currentNodeId, last, parentnode, remainingLevels) // {{{
{
var html = "";
html += '';
if (last)
html += ' | ';
else
html += ''
+ ' | ';
html += '';
html += '';
html += getParentViewForNode(parentnode, remainingLevels - 1);
html += ' ';
html += ' |
';
return html;
} // }}}
// Returns an HTML fragment for a children axis subnode
function expandFolder(currentNodeId, last, subnode, remainingLevels) // {{{
{
var html = "";
html += '';
if (last)
html += ' | ';
else
html += ''
+ ' | ';
html += '';
html += '';
html += getViewForNode(subnode, remainingLevels - 1);
html += ' ';
html += ' |
';
return html;
} // }}}
// Redraws the tree, setting a certain node at root. Also
// redraws the results pane with terminal nodes reachable to a certain sublevel
// from the node
function goToGroup( nodeId ) // {{{
{
var node = nodes[nodeId];
if (node == null)
alert("This should not happen: node ID selected does not exist (" + nodeId + ").\nNotify authors.");
// redraw tree, setting node at root
setTimeout("goToGroupInTree( '" + nodeId + "' )", 500);
var treePlaceholder = document.all['treePlaceholder'];
treePlaceholder.innerHTML = 'Loading...
'; // iexplorer resize bug.
showDocumentsFromGroup(nodeId, 1);
}
function goToGroupInTree( nodeId )
{
var node = nodes[nodeId];
if (node == null)
alert("This should not happen: node ID selected does not exist (" + nodeId + ").\nNotify authors.");
var treePlaceholder = document.all['treePlaceholder'];
treePlaceholder.innerHTML = ""; // iexplorer resize bug.
treePlaceholder.innerHTML = getDynamicTreeViewForNode(node, MAX_OPEN_LEVEL);
}
// }}}
// Same as goToGroup(), but does not change the root of the tree (only the displayed
// snippets set
function showDocumentsFromGroup( nodeId, fromRoot ) // {{{
{
//currentRootNodeId = nodeId;
if (fromRoot == 1) {
num = 0;
first = 0;
last = 10;
}
//temporary copy for state (paging purposes)
nodeId_copy = nodeId;
var node = nodes[nodeId];
if (node == null)
alert("This should not happen: node ID selected does not exist (" + nodeId + ").\nNotify authors.");
// redraw the list of results
var resultsPlaceholder = document.all['resultsPlaceholder'];
var result;
if (ORDER_TYPE == ORDER_DOCUMENTS_ORDER)
{
result = convertFromProperties(getSnippetsToLevel(node, MAX_SUBGROUP_SNIPPET_DISPLAY));
result.sort(relevanceSort);
}
else
if (ORDER_TYPE == ORDER_GROUP_DECLARATION_ORDER)
{
result = getOrderedSnippetsToLevel( node, MAX_SUBGROUP_SNIPPET_DISPLAY );
}
else
if (ORDER_TYPE == ORDER_SCORE_ATTRIBUTE)
{
result = getScoreOrderedSnippetsToLevel( node, MAX_SUBGROUP_SNIPPET_DISPLAY );
}
else
{
alert("Order type unknown: " + ORDER_TYPE);
}
resultsPlaceholder.innerHTML = ""; // iexplorer resize bug.
if (fromRoot == 1) resultsPlaceholder.innerHTML = getSnippetsAsList(result)
else
resultsPlaceholder.innerHTML = getSnippetsAsList(nodesArray_copy);
} // }}}
function statusClear() // {{{
{
window.status = '';
return true;
} // }}}
function showStatus() // {{{
{
window.status = "Click left mouse button to show documents, right mouse button to zoom to this group";
return true;
} // }}}
function Results(iVal, fromRoot) // {{{
{
if (iVal == 1) {
first += 10;
last += 10;
}
else if (iVal == -1) {
first -= 10;
last -= 10;
}
showDocumentsFromGroup(nodeId_copy, fromRoot);
//if (fromRoot == 0) getSnippetsAsList(nodesArray_copy);
}
// Returns snippets as an ordered html list.
function getSnippetsAsList(nodesArray) // {{{
{
//temporary copy for state (paging purposes)
nodesArray_copy = nodesArray;
var html = '';
for (i=first;i 70) {
url_to_print = node.url.substr(0,69);
url_to_print = url_to_print + '...';
} else {url_to_print = node.url;}
if (node.name.length > 65) {
title_to_print = node.name.substr(0,64);
title_to_print = title_to_print + '...';
} else {title_to_print = node.name;}
//---------------------------------------------------------------------
// + ' | '
// + ' | '
// + ' | '
//
//
//
//
html += ''
+ ''
+ ''
+ '| ' + node.snippet + ' | '
+ '| ' + url_to_print + ' |
'
+ ' |
'
;
}
}
html += '
';
return html;
} // }}}
'
+ '
'
+ "