update tree controller to add cut/paste, etc

and add some generic tree sorting/menu stuff
not part of build just yet
This commit is contained in:
alecf%netscape.com 2000-12-21 21:53:42 +00:00
Родитель 130c897065
Коммит ecb1018b7d
2 изменённых файлов: 554 добавлений и 3 удалений

Просмотреть файл

@ -1,3 +1,27 @@
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Peter Annema <disttsc@bart.nl>
* Blake Ross <blakeross@telocity.com>
* Alec Flett <alecf@netscape.com>
*/
// helper routines, for doing rdf-based cut/copy/paste/etc // helper routines, for doing rdf-based cut/copy/paste/etc
@ -8,6 +32,7 @@ const clipboard_contractid = "@mozilla.org/widget/clipboard;1";
const rdf_contractid = "@mozilla.org/rdf/rdf-service;1"; const rdf_contractid = "@mozilla.org/rdf/rdf-service;1";
const separatorUri = NC_NS + "BookmarkSeparator"; const separatorUri = NC_NS + "BookmarkSeparator";
const supportswstring_contractid = "@mozilla.org/supports-wstring;1"; const supportswstring_contractid = "@mozilla.org/supports-wstring;1";
const rdfc_contractid = "@mozilla.org/rdf/container;1";
// some oft-used interfaces // some oft-used interfaces
const nsISupportsWString = Components.interfaces.nsISupportsWString; const nsISupportsWString = Components.interfaces.nsISupportsWString;
@ -22,10 +47,12 @@ var RDF = Components.classes[rdf_contractid].getService(Components.interfaces.ns
var nameResource = RDF.GetResource(NC_NS + "Name"); var nameResource = RDF.GetResource(NC_NS + "Name");
var typeRes = RDF.GetResource(RDF_NS + "type"); var typeRes = RDF.GetResource(RDF_NS + "type");
var bmTypeRes = RDF.GetResource(NC_NS + "Bookmark"); var bmTypeRes = RDF.GetResource(NC_NS + "Bookmark");
// this is a hack for now - just assume containment
var containment = RDF.GetResource(NC_NS + "child");
function debug(foo) function debug(foo)
{ {
dump(foo); // dump(foo);
} }
function isContainer(node) function isContainer(node)
@ -161,8 +188,7 @@ function nsTreeController_paste(tree)
var strings = url.split(";"); var strings = url.split(";");
if (!strings) return false; if (!strings) return false;
var rdfc_uri = "@mozilla.org/rdf/container;1"; var RDFC = Components.classes[rdfc_contractid].getService(nsIRDFContainer);
var RDFC = Components.classes[rdfc_uri].getService(nsIRDFContainer);
var nameRes = RDF.GetResource(NC_NS + "Name"); var nameRes = RDF.GetResource(NC_NS + "Name");
if (!nameRes) return false; if (!nameRes) return false;
@ -268,6 +294,87 @@ function nsTreeController_paste(tree)
function nsTreeController_delete(tree) function nsTreeController_delete(tree)
{ {
// this should eventually be a parameter to this function
var promptFlag = false;
if (!tree) return false;
var select_list = tree.selectedItems;
if (!select_list) return false;
if (select_list.length < 1) return false;
var datasource = tree.database;
debug("# of Nodes selected: " + select_list.length);
if (promptFlag == true)
{
var deleteStr = '';
if (select_list.length == 1) {
deleteStr = get_localized_string("DeleteItem");
} else {
deleteStr = get_localized_string("DeleteItems");
}
var ok = confirm(deleteStr);
if (!ok) return false;
}
var RDFC = Components.classes[rdfc_contractid].getService(nsIRDFContainer);
var dirty = false;
// note: backwards delete so that we handle odd deletion cases such as
// deleting a child of a folder as well as the folder itself
for (var nodeIndex=select_list.length-1; nodeIndex>=0; nodeIndex--)
{
var node = select_list[nodeIndex];
if (!node) continue;
var ID = node.id;
if (!ID) continue;
// XXX - make tree templates flag special folders as read-only
// don't allow deletion of various "special" folders
if ((ID == "NC:BookmarksRoot") || (ID == "NC:IEFavoritesRoot"))
{
continue;
}
var parentID = node.parentNode.parentNode.getAttribute("ref");
if (!parentID)
parentID = node.parentNode.parentNode.id;
if (!parentID) continue;
debug("Node " + nodeIndex + ": " + ID);
debug("Parent Node " + nodeIndex + ": " + parentID);
var IDRes = RDF.GetResource(ID);
if (!IDRes) continue;
var parentIDRes = RDF.GetResource(parentID);
if (!parentIDRes) continue;
try {
// first try a container-based approach
RDFC.Init(datasource, parentIDRes);
RDFC.RemoveElement(IDRes, true);
} catch (ex) {
// nope! just remove the parent/child assertion then
datasource.Unassert(parentIDRes, containment, IDRes);
}
dirty = true;
}
if (dirty == true)
{
try {
var remote = datasource.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource);
remote.Flush();
debug("Wrote out bookmark changes.");
} catch (ex) {
}
}
return true;
} }

Просмотреть файл

@ -0,0 +1,444 @@
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Peter Annema <disttsc@bart.nl>
* Blake Ross <blakeross@telocity.com>
* Alec Flett <alecf@netscape.com>
*/
// utility routines for things like sorting and menus
// eventually this should probably be broken up even further
function TriStateColumnSort(column_name)
{
debug("TriStateColumnSort("+column_name+")");
var current_column = find_sort_column();
var current_direction = find_sort_direction(current_column);
var column = document.getElementById(column_name);
if (!column) return false;
var direction = "ascending";
if (column == current_column) {
if (current_direction == "ascending") {
direction = "descending";
} else if (current_direction == "descending") {
direction = "natural";
}
}
sort_column(column, direction);
return true;
}
function SetSortDirection(direction)
{
debug("SetSortDirection("+direction+")");
var current_column = find_sort_column();
var current_direction = find_sort_direction(current_column);
if (current_direction != direction) {
sort_column(current_column, direction);
}
}
function SetSortColumn(column_name)
{
debug("SetSortColumn("+column_name+")");
var current_column = find_sort_column();
var current_direction = find_sort_direction(current_column);
var column = document.getElementById(column_name);
if (column != current_column || current_direction == "natural") {
sort_column(column, "ascending");
}
}
function sort_column(column, direction)
{
var isupports_uri = "@mozilla.org/rdf/xul-sort-service;1";
var isupports = Components.classes[isupports_uri].getService();
if (!isupports) return false;
var xulSortService = isupports.QueryInterface(Components.interfaces.nsIXULSortService);
if (!xulSortService) return false;
try
{
var sort_resource = column.getAttribute('resource');
xulSortService.Sort(column, sort_resource, direction);
}
catch(ex)
{
debug("Exception calling xulSortService.Sort()");
}
update_sort_menuitems(column, direction);
return false;
}
function find_sort_column() {
var columns = document.getElementById('theColumns');
var column = columns.firstChild;
while (column) {
if ("true" == column.getAttribute('sortActive')) {
return column;
}
column = column.nextSibling;
}
return columns.firstChild;
}
function find_sort_direction(column) {
if ("true" == column.getAttribute('sortActive')) {
return column.getAttribute('sortDirection');
} else {
return "natural";
}
}
function update_sort_menuitems(column, direction)
{
var unsorted_menuitem = document.getElementById("unsorted_menuitem");
var sort_ascending = document.getElementById('sort_ascending');
var sort_descending = document.getElementById('sort_descending');
// as this function may be called from various places, including the
// bookmarks sidebar panel (which doesn't have any menu items)
// ensure that the document contains the elements
if ((!unsorted_menuitem) || (!sort_ascending) || (!sort_descending))
return;
if (direction == "natural") {
unsorted_menuitem.setAttribute('checked','true');
sort_ascending.setAttribute('disabled','true');
sort_descending.setAttribute('disabled','true');
sort_ascending.removeAttribute('checked');
sort_descending.removeAttribute('checked');
} else {
sort_ascending.removeAttribute('disabled');
sort_descending.removeAttribute('disabled');
if (direction == "ascending") {
sort_ascending.setAttribute('checked','true');
} else {
sort_descending.setAttribute('checked','true');
}
var columns = document.getElementById('theColumns');
var column_node = columns.firstChild;
var column_name = column.id;
var menuitem = document.getElementById('fill_after_this_node');
menuitem = menuitem.nextSibling
while (1) {
var name = menuitem.getAttribute('column_id');
debug("update: "+name)
if (!name) break;
if (column_name == name) {
menuitem.setAttribute('checked', 'true');
break;
}
menuitem = menuitem.nextSibling;
column_node = column_node.nextSibling;
if (column_node && column_node.tagName == "splitter")
column_node = column_node.nextSibling;
}
}
enable_sort_menuitems();
}
function enable_sort_menuitems() {
var columns = document.getElementById('theColumns');
var column_node = columns.firstChild;
var head = document.getElementById('headRow');
var tree_column = head.firstChild;
var skip_column = document.getElementById('popupCell');
var menuitem = document.getElementById('fill_after_this_node');
menuitem = menuitem.nextSibling
while (column_node) {
if (skip_column != tree_column) {
if ("true" == column_node.getAttribute("hidden")) {
menuitem.setAttribute("disabled", "true");
} else {
menuitem.removeAttribute("disabled");
}
}
menuitem = menuitem.nextSibling;
tree_column = tree_column.nextSibling;
column_node = column_node.nextSibling;
if (column_node && column_node.tagName == "splitter")
column_node = column_node.nextSibling;
}
}
function fillViewMenu(popup)
{
var fill_after = document.getElementById('fill_after_this_node');
var fill_before = document.getElementById('fill_before_this_node');
var columns = document.getElementById('theColumns');
var head = document.getElementById('headRow');
var skip_column = document.getElementById('popupCell');
if (fill_after.nextSibling == fill_before) {
var name_template = get_localized_string("SortMenuItem");
var tree_column = head.firstChild;
var column_node = columns.firstChild;
while (tree_column) {
if (skip_column != tree_column) {
// Construct an entry for each cell in the row.
var column_name = tree_column.getAttribute("value");
var item = document.createElement("menuitem");
item.setAttribute("type", "radio");
item.setAttribute("name", "sort_column");
if (column_name == "") {
column_name = tree_column.getAttribute("display");
}
var name = name_template.replace(/%NAME%/g, column_name);
var id = column_node.id;
item.setAttribute("value", name);
item.setAttribute("oncommand", "SetSortColumn('"+id+"', true);");
item.setAttribute("column_id", id);
popup.insertBefore(item, fill_before);
}
tree_column = tree_column.nextSibling;
column_node = column_node.nextSibling;
if (column_node && column_node.tagName == "splitter")
column_node = column_node.nextSibling;
}
}
var sort_column = find_sort_column();
var sort_direction = find_sort_direction(sort_column);
update_sort_menuitems(sort_column, sort_direction);
}
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
while (popupNode.childNodes.length)
{
popupNode.removeChild(popupNode.childNodes[0]);
}
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_uri = "@mozilla.org/rdf/rdf-service;1";
var isupports = Components.classes[isupports_uri].getService();
if (!isupports) return false;
var rdf = isupports.QueryInterface(Components.interfaces.nsIRDFService);
if (!rdf) return false;
var target_item = document.popupNode.parentNode.parentNode;
if (target_item && target_item.nodeName == "treeitem")
{
if (target_item.getAttribute('selected') != 'true') {
treeNode.selectItem(target_item);
}
}
var select_list = treeNode.selectedItems;
debug("# of Nodes selected: " + treeNode.selectedItems.length + "\n");
var separatorResource =
rdf.GetResource(NC_NS + "BookmarkSeparator");
if (!separatorResource) return false;
// perform intersection of commands over selected nodes
var cmdArray = new Array();
var selectLength = select_list.length;
if (selectLength == 0) selectLength = 1;
for (var nodeIndex=0; nodeIndex < selectLength; nodeIndex++)
{
var id = null;
// If nothing is selected, get commands for the "ref"
// of the bookmarks root
if (select_list.length == 0)
{
id = treeNode.getAttribute("ref");
if (!id) break;
}
else
{
var node = select_list[nodeIndex];
if (!node) break;
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.length; cmdIndex++)
{
var cmdFound = false;
for (var nextCmdIndex = 0;
nextCmdIndex < nextCmdArray.length;
nextCmdIndex++)
{
if (nextCmdArray[nextCmdIndex] == cmdArray[cmdIndex])
{
cmdFound = true;
break;
}
}
if ((cmdFound == false) && (cmdArray[cmdIndex]))
{
var cmdResource = cmdArray[cmdIndex].QueryInterface(Components.interfaces.nsIRDFResource);
if ((cmdResource) && (cmdResource != separatorResource))
{
cmdArray[cmdIndex] = null;
}
}
}
}
}
// need a resource to ask RDF for each command's name
var rdfNameResource = rdf.GetResource(NC_NS + "Name");
if (!rdfNameResource) return false;
/*
// build up menu items
if (cmdArray.length < 1) return false;
*/
var lastWasSep = false;
for (var commandIndex = 0; commandIndex < cmdArray.length; commandIndex++)
{
cmd = cmdArray[commandIndex];
if (!cmd) continue;
cmdResource = cmd.QueryInterface(Components.interfaces.nsIRDFResource);
if (!cmdResource) break;
// handle separators
if (cmdResource == separatorResource)
{
if (lastWasSep != true)
{
lastWasSep = true;
var menuItem = document.createElement("menuseparator");
popupNode.appendChild(menuItem);
}
continue;
}
lastWasSep = false;
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;
debug("Command #" + cmdIndex + ": id='" + cmdResource.Value +
"' name='" + cmdName + "'");
var newMenuItem = document.createElement("menuitem");
newMenuItem.setAttribute("value", cmdName);
popupNode.appendChild(newMenuItem);
// Work around bug #26402 by setting "oncommand" attribute
// AFTER appending menuitem
newMenuItem.setAttribute("oncommand",
"return doContextCmd('"+cmdResource.Value+"');");
}
// strip off leading/trailing menuseparators
while (popupNode.childNodes.length > 0)
{
if (popupNode.childNodes[0].tagName != "menuseparator")
break;
popupNode.removeChild(popupNode.childNodes[0]);
}
while (popupNode.childNodes.length > 0)
{
if (popupNode.childNodes[popupNode.childNodes.length - 1].tagName != "menuseparator")
break;
popupNode.removeChild(popupNode.childNodes[popupNode.childNodes.length - 1]);
}
// if one and only one node is selected
if (treeNode.selectedItems.length == 1)
{
// and its a bookmark or a bookmark folder (there can be other types,
// not just separators, so check explicitly for what we allow)
var type = select_list[0].getAttribute("type");
if ((type == NC_NS + "Bookmark") ||
(type == NC_NS + "Folder"))
{
// then add a menu separator (if necessary)
if (popupNode.childNodes.length > 0)
{
if (popupNode.childNodes[popupNode.childNodes.length - 1].tagName != "menuseparator")
{
var menuSep = document.createElement("menuseparator");
popupNode.appendChild(menuSep);
}
}
// And then add a "Properties" menu items
var propMenuName = get_localized_string("BookmarkProperties");
var aMenuItem = document.createElement("menuitem");
aMenuItem.setAttribute("value", propMenuName);
popupNode.appendChild(aMenuItem);
// Work around bug # 26402 by setting "oncommand" attribute
// AFTER appending menuitem
aMenuItem.setAttribute("oncommand", "return BookmarkProperties();");
}
}
return true;
}
// this is really unnecessary, we should be using <stringbundle>
function get_localized_string(name) {
var uri = "chrome://communicator/locale/bookmarks/bookmark.properties";
var bundle = srGetStrBundle(uri);
return bundle.GetStringFromName(name);
}