Add support for context menus.

This commit is contained in:
rjc%netscape.com 1999-06-26 04:38:48 +00:00
parent 75c6618762
commit d7d325434a
3 changed files with 255 additions and 1 deletions

View File

@ -129,3 +129,128 @@ function doSort(sortColName)
rdfCore.doSort(node, sortResource, sortDirection);
return(false);
}
function fillContextMenu(name)
{
if (!name) return(false);
var popupNode = document.getElementById(name);
if (!popupNode) return(false);
// remove the menu node (which tosses all of its kids);
// do this in case any old command nodes are hanging around
var menuNode = popupNode.childNodes[0];
popupNode.removeChild(menuNode);
// create a new menu node
menuNode = document.createElement("menu");
popupNode.appendChild(menuNode);
var treeNode = document.getElementById("bookmarksTree");
if (!treeNode) return(false);
var db = treeNode.database;
if (!db) return(false);
var compositeDB = db.QueryInterface(Components.interfaces.nsIRDFDataSource);
if (!compositeDB) return(false);
var isupports = Components.classes["component://netscape/rdf/rdf-service"].getService();
if (!isupports) return(false);
var rdf = isupports.QueryInterface(Components.interfaces.nsIRDFService);
if (!rdf) return(false);
var select_list = treeNode.getElementsByAttribute("selected", "true");
if (select_list.length < 1) return(false);
dump("# of Nodes selected: " + select_list.length + "\n\n");
// perform intersection of commands over selected nodes
var cmdArray = new Array();
for (var nodeIndex=0; nodeIndex<select_list.length; nodeIndex++)
{
var node = select_list[nodeIndex];
if (!node) break;
var id = node.getAttribute("id");
if (!id) break;
var rdfNode = rdf.GetResource(id);
if (!rdfNode) break;
var cmdEnum = db.GetAllCmds(rdfNode);
if (!cmdEnum) break;
var nextCmdArray = new Array();
while (cmdEnum.HasMoreElements())
{
var cmd = cmdEnum.GetNext();
if (!cmd) break;
if (nodeIndex == 0)
{
cmdArray[cmdArray.length] = cmd;
}
else
{
nextCmdArray[cmdArray.length] = cmd;
}
}
if (nodeIndex > 0)
{
// perform command intersection calculation
for (var cmdIndex = 0; cmdIndex < cmdArray.lenght; cmdIndex++)
{
var cmdFound = false;
for (var nextCmdIndex = 0; nextCmdIndex < nextCmdArray.lenght; nextCmdIndex++)
{
if (nextCmdArray[nextCmdIndex] == cmdArray[cmdIndex])
{
cmdFound = true;
break;
}
}
if (cmdfound == false)
{
cmdArray[cmdIndex] = null;
}
}
}
}
// need a resource to ask RDF for each command's name
var rdfNameResource = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");
if (!rdfNameResource) return(false);
// build up menu items
if (cmdArray.length < 1) return(false);
for (var cmdIndex = 0; cmdIndex < cmdArray.length; cmdIndex++)
{
var cmd = cmdArray[cmdIndex];
if (!cmd) continue;
var cmdResource = cmd.QueryInterface(Components.interfaces.nsIRDFResource);
if (!cmdResource) break;
var cmdNameNode = compositeDB.GetTarget(cmdResource, rdfNameResource, true);
if (!cmdNameNode) break;
cmdNameLiteral = cmdNameNode.QueryInterface(Components.interfaces.nsIRDFLiteral);
if (!cmdNameLiteral) break;
cmdName = cmdNameLiteral.Value;
if (!cmdName) break;
dump("Command #" + cmdIndex + ": id='" + cmdResource.Value + "' name='" + cmdName + "'\n\n");
var menuItem = document.createElement("menuitem");
menuItem.setAttribute("name", cmdName);
menuItem.setAttribute("onclick", "return doContextCmd('" + cmdResource.Value + "');");
menuNode.appendChild(menuItem);
}
return(true);
}
function doContextCmd(cmdName)
{
dump("doContextCmd: cmd='" + cmdName + "'\n");
return(true);
}

View File

@ -129,3 +129,128 @@ function doSort(sortColName)
rdfCore.doSort(node, sortResource, sortDirection);
return(false);
}
function fillContextMenu(name)
{
if (!name) return(false);
var popupNode = document.getElementById(name);
if (!popupNode) return(false);
// remove the menu node (which tosses all of its kids);
// do this in case any old command nodes are hanging around
var menuNode = popupNode.childNodes[0];
popupNode.removeChild(menuNode);
// create a new menu node
menuNode = document.createElement("menu");
popupNode.appendChild(menuNode);
var treeNode = document.getElementById("bookmarksTree");
if (!treeNode) return(false);
var db = treeNode.database;
if (!db) return(false);
var compositeDB = db.QueryInterface(Components.interfaces.nsIRDFDataSource);
if (!compositeDB) return(false);
var isupports = Components.classes["component://netscape/rdf/rdf-service"].getService();
if (!isupports) return(false);
var rdf = isupports.QueryInterface(Components.interfaces.nsIRDFService);
if (!rdf) return(false);
var select_list = treeNode.getElementsByAttribute("selected", "true");
if (select_list.length < 1) return(false);
dump("# of Nodes selected: " + select_list.length + "\n\n");
// perform intersection of commands over selected nodes
var cmdArray = new Array();
for (var nodeIndex=0; nodeIndex<select_list.length; nodeIndex++)
{
var node = select_list[nodeIndex];
if (!node) break;
var id = node.getAttribute("id");
if (!id) break;
var rdfNode = rdf.GetResource(id);
if (!rdfNode) break;
var cmdEnum = db.GetAllCmds(rdfNode);
if (!cmdEnum) break;
var nextCmdArray = new Array();
while (cmdEnum.HasMoreElements())
{
var cmd = cmdEnum.GetNext();
if (!cmd) break;
if (nodeIndex == 0)
{
cmdArray[cmdArray.length] = cmd;
}
else
{
nextCmdArray[cmdArray.length] = cmd;
}
}
if (nodeIndex > 0)
{
// perform command intersection calculation
for (var cmdIndex = 0; cmdIndex < cmdArray.lenght; cmdIndex++)
{
var cmdFound = false;
for (var nextCmdIndex = 0; nextCmdIndex < nextCmdArray.lenght; nextCmdIndex++)
{
if (nextCmdArray[nextCmdIndex] == cmdArray[cmdIndex])
{
cmdFound = true;
break;
}
}
if (cmdfound == false)
{
cmdArray[cmdIndex] = null;
}
}
}
}
// need a resource to ask RDF for each command's name
var rdfNameResource = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");
if (!rdfNameResource) return(false);
// build up menu items
if (cmdArray.length < 1) return(false);
for (var cmdIndex = 0; cmdIndex < cmdArray.length; cmdIndex++)
{
var cmd = cmdArray[cmdIndex];
if (!cmd) continue;
var cmdResource = cmd.QueryInterface(Components.interfaces.nsIRDFResource);
if (!cmdResource) break;
var cmdNameNode = compositeDB.GetTarget(cmdResource, rdfNameResource, true);
if (!cmdNameNode) break;
cmdNameLiteral = cmdNameNode.QueryInterface(Components.interfaces.nsIRDFLiteral);
if (!cmdNameLiteral) break;
cmdName = cmdNameLiteral.Value;
if (!cmdName) break;
dump("Command #" + cmdIndex + ": id='" + cmdResource.Value + "' name='" + cmdName + "'\n\n");
var menuItem = document.createElement("menuitem");
menuItem.setAttribute("name", cmdName);
menuItem.setAttribute("onclick", "return doContextCmd('" + cmdResource.Value + "');");
menuNode.appendChild(menuItem);
}
return(true);
}
function doContextCmd(cmdName)
{
dump("doContextCmd: cmd='" + cmdName + "'\n");
return(true);
}

View File

@ -82,7 +82,11 @@
</menu>
</menubar>
<tree id="bookmarksTree"
<popup id="contextual" oncreate="return fillContextMenu('contextual');" >
<menu />
</popup>
<tree id="bookmarksTree" context="contextual"
datasources="rdf:bookmarks rdf:files rdf:ftp rdf:find rdf:internetsearch"
ondblclick="return OpenURL(event,event.target.parentNode.parentNode);"
flex="100%">