Add support for context menus.
This commit is contained in:
rjc%netscape.com
Родитель
bc93b8b14a
Коммит
627eedced2
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@ -129,3 +129,128 @@ function doSort(sortColName)
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rdfCore.doSort(node, sortResource, sortDirection);
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return(false);
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}
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function fillContextMenu(name)
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{
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if (!name) return(false);
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var popupNode = document.getElementById(name);
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if (!popupNode) return(false);
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// remove the menu node (which tosses all of its kids);
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// do this in case any old command nodes are hanging around
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var menuNode = popupNode.childNodes[0];
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popupNode.removeChild(menuNode);
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// create a new menu node
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menuNode = document.createElement("menu");
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popupNode.appendChild(menuNode);
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var treeNode = document.getElementById("bookmarksTree");
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if (!treeNode) return(false);
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var db = treeNode.database;
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if (!db) return(false);
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var compositeDB = db.QueryInterface(Components.interfaces.nsIRDFDataSource);
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if (!compositeDB) return(false);
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var isupports = Components.classes["component://netscape/rdf/rdf-service"].getService();
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if (!isupports) return(false);
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var rdf = isupports.QueryInterface(Components.interfaces.nsIRDFService);
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if (!rdf) return(false);
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var select_list = treeNode.getElementsByAttribute("selected", "true");
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if (select_list.length < 1) return(false);
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dump("# of Nodes selected: " + select_list.length + "\n\n");
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// perform intersection of commands over selected nodes
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var cmdArray = new Array();
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for (var nodeIndex=0; nodeIndex<select_list.length; nodeIndex++)
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{
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var node = select_list[nodeIndex];
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if (!node) break;
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var id = node.getAttribute("id");
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if (!id) break;
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var rdfNode = rdf.GetResource(id);
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if (!rdfNode) break;
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var cmdEnum = db.GetAllCmds(rdfNode);
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if (!cmdEnum) break;
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var nextCmdArray = new Array();
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while (cmdEnum.HasMoreElements())
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{
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var cmd = cmdEnum.GetNext();
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if (!cmd) break;
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if (nodeIndex == 0)
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{
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cmdArray[cmdArray.length] = cmd;
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}
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else
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{
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nextCmdArray[cmdArray.length] = cmd;
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}
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}
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if (nodeIndex > 0)
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{
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// perform command intersection calculation
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for (var cmdIndex = 0; cmdIndex < cmdArray.lenght; cmdIndex++)
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{
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var cmdFound = false;
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for (var nextCmdIndex = 0; nextCmdIndex < nextCmdArray.lenght; nextCmdIndex++)
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{
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if (nextCmdArray[nextCmdIndex] == cmdArray[cmdIndex])
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{
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cmdFound = true;
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break;
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}
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}
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if (cmdfound == false)
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{
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cmdArray[cmdIndex] = null;
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}
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}
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}
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}
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// need a resource to ask RDF for each command's name
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var rdfNameResource = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");
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if (!rdfNameResource) return(false);
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// build up menu items
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if (cmdArray.length < 1) return(false);
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for (var cmdIndex = 0; cmdIndex < cmdArray.length; cmdIndex++)
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{
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var cmd = cmdArray[cmdIndex];
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if (!cmd) continue;
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var cmdResource = cmd.QueryInterface(Components.interfaces.nsIRDFResource);
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if (!cmdResource) break;
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var cmdNameNode = compositeDB.GetTarget(cmdResource, rdfNameResource, true);
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if (!cmdNameNode) break;
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cmdNameLiteral = cmdNameNode.QueryInterface(Components.interfaces.nsIRDFLiteral);
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if (!cmdNameLiteral) break;
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cmdName = cmdNameLiteral.Value;
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if (!cmdName) break;
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dump("Command #" + cmdIndex + ": id='" + cmdResource.Value + "' name='" + cmdName + "'\n\n");
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var menuItem = document.createElement("menuitem");
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menuItem.setAttribute("name", cmdName);
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menuItem.setAttribute("onclick", "return doContextCmd('" + cmdResource.Value + "');");
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menuNode.appendChild(menuItem);
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}
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return(true);
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}
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function doContextCmd(cmdName)
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{
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dump("doContextCmd: cmd='" + cmdName + "'\n");
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return(true);
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}
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@ -129,3 +129,128 @@ function doSort(sortColName)
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rdfCore.doSort(node, sortResource, sortDirection);
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return(false);
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}
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function fillContextMenu(name)
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{
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if (!name) return(false);
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var popupNode = document.getElementById(name);
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if (!popupNode) return(false);
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// remove the menu node (which tosses all of its kids);
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// do this in case any old command nodes are hanging around
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var menuNode = popupNode.childNodes[0];
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popupNode.removeChild(menuNode);
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// create a new menu node
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menuNode = document.createElement("menu");
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popupNode.appendChild(menuNode);
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var treeNode = document.getElementById("bookmarksTree");
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if (!treeNode) return(false);
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var db = treeNode.database;
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if (!db) return(false);
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var compositeDB = db.QueryInterface(Components.interfaces.nsIRDFDataSource);
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if (!compositeDB) return(false);
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var isupports = Components.classes["component://netscape/rdf/rdf-service"].getService();
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if (!isupports) return(false);
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var rdf = isupports.QueryInterface(Components.interfaces.nsIRDFService);
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if (!rdf) return(false);
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var select_list = treeNode.getElementsByAttribute("selected", "true");
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if (select_list.length < 1) return(false);
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dump("# of Nodes selected: " + select_list.length + "\n\n");
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// perform intersection of commands over selected nodes
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var cmdArray = new Array();
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for (var nodeIndex=0; nodeIndex<select_list.length; nodeIndex++)
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{
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var node = select_list[nodeIndex];
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if (!node) break;
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var id = node.getAttribute("id");
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if (!id) break;
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var rdfNode = rdf.GetResource(id);
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if (!rdfNode) break;
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var cmdEnum = db.GetAllCmds(rdfNode);
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if (!cmdEnum) break;
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var nextCmdArray = new Array();
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while (cmdEnum.HasMoreElements())
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{
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var cmd = cmdEnum.GetNext();
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if (!cmd) break;
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if (nodeIndex == 0)
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{
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cmdArray[cmdArray.length] = cmd;
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}
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else
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{
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nextCmdArray[cmdArray.length] = cmd;
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}
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}
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if (nodeIndex > 0)
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{
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// perform command intersection calculation
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for (var cmdIndex = 0; cmdIndex < cmdArray.lenght; cmdIndex++)
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{
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var cmdFound = false;
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for (var nextCmdIndex = 0; nextCmdIndex < nextCmdArray.lenght; nextCmdIndex++)
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{
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if (nextCmdArray[nextCmdIndex] == cmdArray[cmdIndex])
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{
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cmdFound = true;
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break;
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}
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}
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if (cmdfound == false)
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{
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cmdArray[cmdIndex] = null;
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}
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}
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}
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}
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// need a resource to ask RDF for each command's name
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var rdfNameResource = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");
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if (!rdfNameResource) return(false);
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// build up menu items
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if (cmdArray.length < 1) return(false);
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for (var cmdIndex = 0; cmdIndex < cmdArray.length; cmdIndex++)
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{
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var cmd = cmdArray[cmdIndex];
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if (!cmd) continue;
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var cmdResource = cmd.QueryInterface(Components.interfaces.nsIRDFResource);
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if (!cmdResource) break;
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var cmdNameNode = compositeDB.GetTarget(cmdResource, rdfNameResource, true);
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if (!cmdNameNode) break;
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cmdNameLiteral = cmdNameNode.QueryInterface(Components.interfaces.nsIRDFLiteral);
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if (!cmdNameLiteral) break;
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cmdName = cmdNameLiteral.Value;
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if (!cmdName) break;
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dump("Command #" + cmdIndex + ": id='" + cmdResource.Value + "' name='" + cmdName + "'\n\n");
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var menuItem = document.createElement("menuitem");
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menuItem.setAttribute("name", cmdName);
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menuItem.setAttribute("onclick", "return doContextCmd('" + cmdResource.Value + "');");
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menuNode.appendChild(menuItem);
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}
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return(true);
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}
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function doContextCmd(cmdName)
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{
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dump("doContextCmd: cmd='" + cmdName + "'\n");
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return(true);
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}
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@ -82,7 +82,11 @@
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</menu>
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</menubar>
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<tree id="bookmarksTree"
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<popup id="contextual" oncreate="return fillContextMenu('contextual');" >
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<menu />
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</popup>
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<tree id="bookmarksTree" context="contextual"
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datasources="rdf:bookmarks rdf:files rdf:ftp rdf:find rdf:internetsearch"
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ondblclick="return OpenURL(event,event.target.parentNode.parentNode);"
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flex="100%">
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