зеркало из https://github.com/mozilla/gecko-dev.git
686 строки
26 KiB
JavaScript
686 строки
26 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* - Kevin Puetz (puetzk@iastate.edu)
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* - Ben Goodger <ben@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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var DROP_BEFORE = -1;
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var DROP_ON = 0;
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var DROP_AFTER = 1;
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function _RDF(aType)
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{
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return "http://www.w3.org/1999/02/22-rdf-syntax-ns#" + aType;
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}
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function NC_RDF(aType)
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{
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return "http://home.netscape.com/NC-rdf#" + aType;
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}
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var RDFUtils = {
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getResource: function(aString)
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{
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return this.rdf.GetResource(aString, true);
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},
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getTarget: function(aDS, aSourceID, aPropertyID)
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{
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var source = this.getResource(aSourceID);
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var property = this.getResource(aPropertyID);
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return aDS.GetTarget(source, property, true);
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},
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getValueFromResource: function(aResource)
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{
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aResource = aResource.QueryInterface(Components.interfaces.nsIRDFResource);
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return aResource ? aResource.Value : null;
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},
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_rdf: null,
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get rdf() {
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if (!this._rdf) {
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this._rdf = Components.classes["@mozilla.org/rdf/rdf-service;1"]
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.getService(Components.interfaces.nsIRDFService);
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}
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return this._rdf;
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}
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};
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function isBookmark(aURI)
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{
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var db = document.getElementById("innermostBox").database;
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var typeValue = RDFUtils.getTarget(db, aURI, _RDF("type"));
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typeValue = RDFUtils.getValueFromResource(typeValue);
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return (typeValue == NC_RDF("BookmarkSeparator") ||
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typeValue == NC_RDF("Bookmark") ||
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typeValue == NC_RDF("Folder"))
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}
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var personalToolbarObserver = {
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onDragStart: function (aEvent, aXferData, aDragAction)
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{
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// Prevent dragging out of menus on non Win32 platforms.
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// a) on Mac drag from menus is generally regarded as being satanic
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// b) on Linux, this causes an X-server crash, see bug 79003.
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// Since we're not doing D&D into menus properly at this point, it seems
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// fair enough to disable it on non-Win32 platforms. There is no hang
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// or crash associated with this on Windows, so we'll leave the functionality
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// there.
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if (navigator.platform != "Win32" && aEvent.target.localName != "toolbarbutton")
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return;
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if (aEvent.target.localName == "menu" ||
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(aEvent.target.localName == "toolbarbutton" && aEvent.target.getAttribute("type") == "menu")) {
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if (aEvent.target.getAttribute("type") == "http://home.netscape.com/NC-rdf#Folder") {
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var child = aEvent.target.childNodes[0];
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if (child && child.localName == "menupopup")
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child.hidePopup();
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else {
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var parent = aEvent.target.parentNode;
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if (parent && parent.localName == "menupopup")
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parent.hidePopup();
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}
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}
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}
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var personalToolbar = document.getElementById("PersonalToolbar");
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if (aEvent.target == personalToolbar) return;
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var db = document.getElementById("innermostBox").database;
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var uri = aEvent.target.id;
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if (!isBookmark(uri)) return;
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var url = RDFUtils.getTarget(db, uri, NC_RDF("URL"));
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if (url)
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url = url.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
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else
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url = "";
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var name = RDFUtils.getTarget(db, uri, NC_RDF("Name"));
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if (name)
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name = name.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
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else
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name = "";
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var urlString = url + "\n" + name;
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var htmlString = "<A HREF='" + uri + "'>" + name + "</A>";
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aXferData.data = new TransferData();
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aXferData.data.addDataForFlavour("moz/rdfitem", uri);
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aXferData.data.addDataForFlavour("text/x-moz-url", urlString);
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aXferData.data.addDataForFlavour("text/html", htmlString);
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aXferData.data.addDataForFlavour("text/unicode", url);
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},
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onDrop: function (aEvent, aXferData, aDragSession)
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{
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var xferData = aXferData.data.split("\n");
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var elementRes = RDFUtils.getResource(xferData[0]);
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var personalToolbarRes = RDFUtils.getResource("NC:PersonalToolbarFolder");
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var inner = document.getElementById("innermostBox");
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var childDB = inner.database;
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const kCtrContractID = "@mozilla.org/rdf/container;1";
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const kCtrIID = Components.interfaces.nsIRDFContainer;
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var rdfContainer = Components.classes[kCtrContractID].createInstance(kCtrIID);
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// if dragged url is already bookmarked, remove it from current location first
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var parentContainer = findParentContainer(aDragSession.sourceNode);
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if (parentContainer)
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{
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rdfContainer.Init(childDB, parentContainer);
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rdfContainer.RemoveElement(elementRes, false);
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}
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// determine charset of link
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var linkCharset = aDragSession.sourceDocument ? aDragSession.sourceDocument.characterSet : null;
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// determine title of link
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var linkTitle;
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// look it up in bookmarks
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var bookmarksDS = RDFUtils.rdf.GetDataSource("rdf:bookmarks");
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var nameRes = RDFUtils.getResource(NC_RDF("Name"));
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var nameFromBookmarks = bookmarksDS.GetTarget(elementRes, nameRes, true);
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if (nameFromBookmarks)
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nameFromBookmarks = nameFromBookmarks.QueryInterface(Components.interfaces.nsIRDFLiteral);
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if (nameFromBookmarks) {
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linkTitle = nameFromBookmarks.Value;
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}
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else if (xferData.length >= 2)
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linkTitle = xferData[1]
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else
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{
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// look up this URL's title in global history
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var potentialTitle = null;
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var historyDS = RDFUtils.rdf.GetDataSource("rdf:history");
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var titlePropRes = RDFUtils.getResource(NC_RDF("Name"));
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var titleFromHistory = historyDS.GetTarget(elementRes, titlePropRes, true);
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if (titleFromHistory)
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titleFromHistory = titleFromHistory.QueryInterface(Components.interfaces.nsIRDFLiteral);
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if (titleFromHistory)
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potentialTitle = titleFromHistory.Value;
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linkTitle = potentialTitle;
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}
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var dropElement = aEvent.target.id;
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var dropElementRes, dropIndex, dropPosition;
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if (dropElement == "innermostBox")
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{
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dropElementRes = personalToolbarRes;
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dropPosition = DROP_ON;
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}
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else
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{
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dropElementRes = RDFUtils.getResource(dropElement);
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rdfContainer.Init(childDB, personalToolbarRes);
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dropIndex = rdfContainer.IndexOf(dropElementRes);
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if (dropPosition == undefined)
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dropPosition = determineDropPosition(aEvent, true);
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}
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switch (dropPosition) {
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case DROP_BEFORE:
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if (dropIndex<1) dropIndex = 1;
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insertBookmarkAt(xferData[0], linkTitle, linkCharset, personalToolbarRes, dropIndex);
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break;
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case DROP_ON:
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insertBookmarkAt(xferData[0], linkTitle, linkCharset, dropElementRes, -1);
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break;
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case DROP_AFTER:
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default:
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// compensate for badly calculated dropIndex
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rdfContainer.Init(childDB, personalToolbarRes);
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if (dropIndex < rdfContainer.GetCount()) ++dropIndex;
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if (dropIndex<0) dropIndex = 0;
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insertBookmarkAt(xferData[0], linkTitle, linkCharset, personalToolbarRes, dropIndex);
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break;
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}
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return true;
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},
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mCurrentDragOverButton: null,
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mCurrentDragPosition: null,
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onDragExit: function (aEvent, aDragSession)
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{
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if (this.mCurrentDragOverButton)
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{
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this.mCurrentDragOverButton.removeAttribute("dragover-left");
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this.mCurrentDragOverButton.removeAttribute("dragover-right");
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this.mCurrentDragOverButton.removeAttribute("dragover-top");
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this.mCurrentDragOverButton.removeAttribute("open");
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}
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},
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onDragOver: function (aEvent, aFlavour, aDragSession)
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{
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var dropPosition = determineDropPosition(aEvent, true);
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// bail if drop target is not a valid bookmark item or folder
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var inner = document.getElementById("innermostBox");
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if (aEvent.target.parentNode != inner && aEvent.target != inner)
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{
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aDragSession.canDrop = false;
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return false;
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}
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if (this.mCurrentDragOverButton != aEvent.target ||
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(this.mCurrentDragOverButton == aEvent.target &&
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this.mCurrentDragPosition != dropPosition))
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{
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if (this.mCurrentDragOverButton)
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{
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this.mCurrentDragOverButton.removeAttribute("dragover-left");
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this.mCurrentDragOverButton.removeAttribute("dragover-right");
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this.mCurrentDragOverButton.removeAttribute("dragover-top");
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this.mCurrentDragOverButton.removeAttribute("open");
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}
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this.mCurrentDragOverButton = aEvent.target;
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this.mCurrentDragPosition = dropPosition;
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}
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switch (dropPosition)
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{
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case DROP_BEFORE:
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aEvent.target.setAttribute("dragover-left", "true");
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break;
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case DROP_AFTER:
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aEvent.target.setAttribute("dragover-right", "true");
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break;
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case DROP_ON:
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default:
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if (aEvent.target.getAttribute("container") == "true") {
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aEvent.target.setAttribute("dragover-top", "true");
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//cant open a menu during a drag! suck!
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//aEvent.target.setAttribute("open", "true");
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}
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break;
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}
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return true;
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},
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getSupportedFlavours: function ()
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{
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var flavourSet = new FlavourSet();
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flavourSet.appendFlavour("moz/rdfitem");
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// application/x-moz-file
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flavourSet.appendFlavour("text/unicode");
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return flavourSet;
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}
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};
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var proxyIconDNDObserver = {
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onDragStart: function (aEvent, aXferData, aDragAction)
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{
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var urlBar = document.getElementById("urlbar");
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// XXX - do we want to allow the user to set a blank page to their homepage?
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// if so then we want to modify this a little to set about:blank as
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// the homepage in the event of an empty urlbar.
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if (!urlBar.value) return;
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var urlString = urlBar.value + "\n" + window._content.document.title;
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var htmlString = "<a href=\"" + urlBar.value + "\">" + urlBar.value + "</a>";
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aXferData.data = new TransferData();
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aXferData.data.addDataForFlavour("text/x-moz-url", urlString);
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aXferData.data.addDataForFlavour("text/unicode", urlBar.value);
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aXferData.data.addDataForFlavour("text/html", htmlString);
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}
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};
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var homeButtonObserver = {
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onDragStart: function (aEvent, aXferData, aDragAction)
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{
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var homepage = nsPreferences.getLocalizedUnicharPref("browser.startup.homepage", "about:blank");
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if (homepage)
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{
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// XXX find a readable title string for homepage, perhaps do a history lookup.
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var htmlString = "<a href=\"" + homepage + "\">" + homepage + "</a>";
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aXferData.data = new TransferData();
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aXferData.data.addDataForFlavour("text/x-moz-url", homepage + "\n" + homepage);
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aXferData.data.addDataForFlavour("text/html", htmlString);
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aXferData.data.addDataForFlavour("text/unicode", homepage);
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}
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},
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onDrop: function (aEvent, aXferData, aDragSession)
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{
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var url = retrieveURLFromData(aXferData.data, aXferData.flavour.contentType);
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var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService(Components.interfaces.nsIPromptService);
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var pressedVal = { };
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var promptTitle = gNavigatorBundle.getString("droponhometitle");
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var promptMsg = gNavigatorBundle.getString("droponhomemsg");
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var okButton = gNavigatorBundle.getString("droponhomeokbutton");
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promptService.confirmEx(window, promptTitle, promptMsg,
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(promptService.BUTTON_TITLE_IS_STRING * promptService.BUTTON_POS_0) +
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(promptService.BUTTON_TITLE_CANCEL * promptService.BUTTON_POS_1),
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okButton, null, null, null, {value:0}, pressedVal);
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if (pressedVal.value == 0) {
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nsPreferences.setUnicharPref("browser.startup.homepage", url);
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setTooltipText("home-button", url);
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}
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},
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onDragOver: function (aEvent, aFlavour, aDragSession)
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{
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var statusTextFld = document.getElementById("statusbar-display");
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statusTextFld.label = gNavigatorBundle.getString("droponhomebutton");
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aDragSession.dragAction = Components.interfaces.nsIDragService.DRAGDROP_ACTION_LINK;
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},
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onDragExit: function (aEvent, aDragSession)
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{
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var statusTextFld = document.getElementById("statusbar-display");
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statusTextFld.label = "";
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},
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getSupportedFlavours: function ()
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{
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var flavourSet = new FlavourSet();
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flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
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flavourSet.appendFlavour("text/x-moz-url");
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flavourSet.appendFlavour("text/unicode");
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return flavourSet;
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}
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};
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var goButtonObserver = {
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onDragOver: function(aEvent, aFlavour, aDragSession)
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{
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aEvent.target.setAttribute("dragover", "true");
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return true;
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},
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onDragExit: function (aEvent, aDragSession)
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{
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aEvent.target.removeAttribute("dragover");
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},
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onDrop: function (aEvent, aXferData, aDragSession)
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{
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var xferData = aXferData.data.split("\n");
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var uri = xferData[0] ? xferData[0] : xferData[1];
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if (uri)
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loadURI(uri);
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},
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getSupportedFlavours: function ()
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{
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var flavourSet = new FlavourSet();
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flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
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flavourSet.appendFlavour("text/x-moz-url");
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flavourSet.appendFlavour("text/unicode");
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return flavourSet;
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}
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};
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var searchButtonObserver = {
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onDragOver: function(aEvent, aFlavour, aDragSession)
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{
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aEvent.target.setAttribute("dragover", "true");
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return true;
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},
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onDragExit: function (aEvent, aDragSession)
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{
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aEvent.target.removeAttribute("dragover");
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},
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onDrop: function (aEvent, aXferData, aDragSession)
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{
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var xferData = aXferData.data.split("\n");
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var uri = xferData[1] ? xferData[1] : xferData[0];
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if (uri)
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OpenSearch('internet',false, uri);
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},
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getSupportedFlavours: function ()
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{
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var flavourSet = new FlavourSet();
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flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
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flavourSet.appendFlavour("text/x-moz-url");
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flavourSet.appendFlavour("text/unicode");
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return flavourSet;
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}
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};
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var gDidOpen = false;
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var bookmarksButtonObserver = {
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onDragOver: function(aEvent, aFlavour, aDragSession)
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{
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aEvent.target.setAttribute("dragover", "true");
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if (!gDidOpen) {
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aEvent.target.firstChild.showPopup(document.getElementById("bookmarks-button"), -1, -1, "menupopup", "bottomleft", "bottomleft");
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gDidOpen = true;
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}
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return true;
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},
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getSupportedFlavours: function ()
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{
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var flavourSet = new FlavourSet();
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flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
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flavourSet.appendFlavour("text/x-moz-url");
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return flavourSet;
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}
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};
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var gCurrentTarget = null;
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var gCurrentDragOverMenu = null;
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function closeOpenMenu()
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{
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if (gCurrentDragOverMenu && gCurrentTarget.firstChild != gCurrentDragOverMenu) {
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if (gCurrentTarget.parentNode != gCurrentDragOverMenu) {
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gMenuIsOpen = false;
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gCurrentDragOverMenu.hidePopup();
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gCurrentDragOverMenu = null;
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}
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}
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}
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var gMenuIsOpen = false;
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var menuDNDObserver = {
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onDragOver: function(aEvent, aFlavour, aDragSession)
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{
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// if we're a folder just one level deep, open it
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var dropPosition = determineDropPosition(aEvent, aEvent.target.parentNode != document.getElementById("bookmarks-button").firstChild);
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gCurrentTarget = aEvent.target;
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if (aEvent.target.firstChild && aEvent.target.firstChild.localName == "menupopup") {
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if (aEvent.target.parentNode == document.getElementById("bookmarks-button").firstChild) {
|
|
if (gCurrentDragOverMenu && gCurrentDragOverMenu != aEvent.target.firstChild) {
|
|
gCurrentDragOverMenu.hidePopup();
|
|
gCurrentDragOverMenu = null;
|
|
gMenuIsOpen = false;
|
|
}
|
|
if (!gMenuIsOpen) {
|
|
gCurrentDragOverMenu = aEvent.target.firstChild;
|
|
aEvent.target.firstChild.showPopup(aEvent.target, -1, -1, "menupopup", "topright, topright");
|
|
gMenuIsOpen = true;
|
|
}
|
|
}
|
|
else {
|
|
aEvent.target.setAttribute("menuactive", "true");
|
|
}
|
|
}
|
|
// remove drag attributes from old item once we move to a new item
|
|
if (this.mCurrentDragOverItem != aEvent.target) {
|
|
if (this.mCurrentDragOverItem) {
|
|
this.mCurrentDragOverItem.removeAttribute("dragover-top");
|
|
this.mCurrentDragOverItem.removeAttribute("dragover-bottom");
|
|
this.mCurrentDragOverItem.removeAttribute("menuactive");
|
|
}
|
|
this.mCurrentDragOverItem = aEvent.target;
|
|
}
|
|
|
|
// if there's an open submenu and we're not over it or one of its children, close it
|
|
if (gCurrentDragOverMenu && aEvent.target.firstChild != gCurrentDragOverMenu) {
|
|
if (aEvent.target.parentNode != gCurrentDragOverMenu) {
|
|
setTimeout(function() { closeOpenMenu(); },500);
|
|
}
|
|
}
|
|
|
|
// ensure appropriate feedback
|
|
switch (dropPosition) {
|
|
case DROP_BEFORE:
|
|
aEvent.target.setAttribute("dragover-bottom", "true");
|
|
break;
|
|
case DROP_AFTER:
|
|
aEvent.target.setAttribute("dragover-top", "true");
|
|
break;
|
|
}
|
|
},
|
|
mCurrentDragOverItem: null,
|
|
onDragExit: function (aEvent, aDragSession)
|
|
{
|
|
// remove drag attribute from current item once we leave the popup
|
|
if (this.mCurrentDragOverItem) {
|
|
this.mCurrentDragOverItem.removeAttribute("dragover-top");
|
|
this.mCurrentDragOverItem.removeAttribute("dragover-bottom");
|
|
}
|
|
},
|
|
onDrop: function (aEvent, aXferData, aDragSession)
|
|
{
|
|
var xferData = aXferData.data.split("\n");
|
|
var elementRes = RDFUtils.getResource(xferData[0]);
|
|
|
|
var bookmarksButton = document.getElementById("bookmarks-button");
|
|
var childDB = bookmarksButton.database;
|
|
var rdfContainer = Components.classes["@mozilla.org/rdf/container;1"].createInstance(Components.interfaces.nsIRDFContainer);
|
|
|
|
// if dragged url is already bookmarked, remove it from current location first
|
|
var parentContainer = findParentContainer(aDragSession.sourceNode);
|
|
if (parentContainer) {
|
|
rdfContainer.Init(childDB, parentContainer);
|
|
rdfContainer.RemoveElement(elementRes, false);
|
|
}
|
|
parentContainer = findParentContainer(aEvent.target);
|
|
// determine charset of link
|
|
var linkCharset = aDragSession.sourceDocument ? aDragSession.sourceDocument.characterSet : null;
|
|
// determine title of link
|
|
var linkTitle;
|
|
|
|
// look it up in bookmarks
|
|
var bookmarksDS = RDFUtils.rdf.GetDataSource("rdf:bookmarks");
|
|
var nameRes = RDFUtils.getResource(NC_RDF("Name"));
|
|
var nameFromBookmarks = bookmarksDS.GetTarget(elementRes, nameRes, true);
|
|
if (nameFromBookmarks)
|
|
nameFromBookmarks = nameFromBookmarks.QueryInterface(Components.interfaces.nsIRDFLiteral);
|
|
|
|
if (nameFromBookmarks)
|
|
linkTitle = nameFromBookmarks.Value;
|
|
else if (xferData.length >= 2)
|
|
linkTitle = xferData[1]
|
|
else {
|
|
// look up this URL's title in global history
|
|
var historyDS = RDFUtils.rdf.GetDataSource("rdf:history");
|
|
var titlePropRes = RDFUtils.getResource(NC_RDF("Name"));
|
|
var titleFromHistory = historyDS.GetTarget(elementRes, titlePropRes, true);
|
|
if (titleFromHistory)
|
|
titleFromHistory = titleFromHistory.QueryInterface(Components.interfaces.nsIRDFLiteral);
|
|
if (titleFromHistory)
|
|
linkTitle = titleFromHistory.Value;
|
|
}
|
|
|
|
var dropElement = aEvent.target.id;
|
|
var dropElementRes, dropIndex, dropPosition;
|
|
dropElementRes = RDFUtils.getResource(dropElement);
|
|
rdfContainer.Init(childDB, parentContainer);
|
|
dropIndex = rdfContainer.IndexOf(dropElementRes);
|
|
dropPosition = determineDropPosition(aEvent, aEvent.target.parentNode != document.getElementById("bookmarks-button").firstChild);
|
|
switch (dropPosition) {
|
|
case DROP_BEFORE:
|
|
--dropIndex;
|
|
if (dropIndex<1) dropIndex = 1;
|
|
insertBookmarkAt(xferData[0], linkTitle, linkCharset, parentContainer, dropIndex);
|
|
break;
|
|
case DROP_ON:
|
|
insertBookmarkAt(xferData[0], linkTitle, linkCharset, dropElementRes, -1);
|
|
break;
|
|
case DROP_AFTER:
|
|
default:
|
|
// compensate for badly calculated dropIndex
|
|
if (dropIndex < rdfContainer.GetCount()) ++dropIndex;
|
|
|
|
if (dropIndex<0) dropIndex = 0;
|
|
--dropIndex;
|
|
insertBookmarkAt(xferData[0], linkTitle, linkCharset, parentContainer, dropIndex);
|
|
break;
|
|
}
|
|
|
|
// if user isn't rearranging within the menu, close it
|
|
if (aDragSession.sourceNode.localName != "menuitem" && aDragSession.sourceNode.localName != "menu")
|
|
setTimeout(function() { if (gCurrentDragOverMenu) gCurrentDragOverMenu.hidePopup(); document.getElementById("bookmarks-button").firstChild.hidePopup(); gDidOpen = false; }, 190);
|
|
|
|
return true;
|
|
},
|
|
|
|
getSupportedFlavours: function () {
|
|
var flavourSet = new FlavourSet();
|
|
flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
|
|
flavourSet.appendFlavour("text/x-moz-url");
|
|
return flavourSet;
|
|
}
|
|
};
|
|
|
|
function determineDropPosition(aEvent, aAllowDropOn)
|
|
{
|
|
var overButtonBoxObject = aEvent.target.boxObject.QueryInterface(Components.interfaces.nsIBoxObject);
|
|
// most things only drop on the left or right
|
|
var regionCount = 2;
|
|
|
|
// you can drop ONTO containers, so there is a "middle" region
|
|
if (aAllowDropOn && aEvent.target.getAttribute("container") == "true" &&
|
|
aEvent.target.getAttribute("type") == "menu")
|
|
return DROP_ON;
|
|
|
|
var measure;
|
|
var coordValue;
|
|
var clientCoordValue;
|
|
if (aEvent.target.localName == "menuitem" || aEvent.target.localName == "menu") {
|
|
measure = overButtonBoxObject.height/regionCount;
|
|
coordValue = overButtonBoxObject.y;
|
|
clientCoordValue = aEvent.clientY;
|
|
}
|
|
else if (aEvent.target.localName == "toolbarbutton") {
|
|
measure = overButtonBoxObject.width/regionCount;
|
|
coordValue = overButtonBoxObject.x;
|
|
clientCoordValue = aEvent.clientX;
|
|
}
|
|
else
|
|
return 0;
|
|
|
|
|
|
// in the first region?
|
|
if (clientCoordValue < (coordValue + measure))
|
|
return DROP_BEFORE;
|
|
|
|
// in the last region?
|
|
if (clientCoordValue >= (coordValue + (regionCount - 1)*measure))
|
|
return DROP_AFTER;
|
|
|
|
// must be in the middle somewhere
|
|
return DROP_ON;
|
|
}
|
|
|
|
// returns the parent resource of the dragged element. This is determined
|
|
// by inspecting the source element of the drag and walking up the DOM tree
|
|
// to find the appropriate containing node.
|
|
function findParentContainer(aElement)
|
|
{
|
|
if (!aElement) return null;
|
|
switch (aElement.localName) {
|
|
case "toolbarbutton":
|
|
var box = aElement.parentNode;
|
|
return RDFUtils.getResource(box.getAttribute("ref"));
|
|
case "menu":
|
|
case "menuitem":
|
|
var menu = aElement.parentNode.parentNode;
|
|
if (menu.getAttribute("type") != "http://home.netscape.com/NC-rdf#Folder")
|
|
return RDFUtils.getResource("NC:BookmarksRoot");
|
|
return RDFUtils.getResource(menu.id);
|
|
case "treecell":
|
|
var treeitem = aElement.parentNode.parentNode.parentNode.parentNode;
|
|
var res = treeitem.getAttribute("ref");
|
|
if (!res)
|
|
res = treeitem.id;
|
|
return RDFUtils.getResource(res);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function insertBookmarkAt(aURL, aTitle, aCharset, aFolderRes, aIndex)
|
|
{
|
|
const kBMSContractID = "@mozilla.org/browser/bookmarks-service;1";
|
|
const kBMSIID = Components.interfaces.nsIBookmarksService;
|
|
const kBMS = Components.classes[kBMSContractID].getService(kBMSIID);
|
|
kBMS.insertBookmarkInFolder(aURL, aTitle, aCharset, aFolderRes, aIndex);
|
|
}
|
|
|