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pinkerton%netscape.com
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commit
52d4de7655
429
xpfe/browser/resources/content/navigatorDD.js
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429
xpfe/browser/resources/content/navigatorDD.js
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@ -0,0 +1,429 @@
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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//
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// Determine if d&d is on or not, off by default for beta but we want mozilla
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// folks to be able to turn it on if they so desire.
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//
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var gDragDropEnabled = false;
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var pref = null;
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try {
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pref = Components.classes['component://netscape/preferences'];
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pref = pref.getService();
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pref = pref.QueryInterface(Components.interfaces.nsIPref);
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}
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catch (ex) {
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dump("failed to get prefs service!\n");
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pref = null;
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}
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try {
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gDragDropEnabled = pref.GetBoolPref("xpfe.dragdrop.enable");
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}
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catch (ex) {
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dump("assuming d&d is off for Navigator\n");
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}
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function GeneralDrag ( event )
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{
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if ( !gDragDropEnabled )
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return;
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dump("****** DRAG MADE IT TO TOPLEVEL WINDOW ********\n");
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}
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function BeginDragPersonalToolbar ( event )
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{
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if ( !gDragDropEnabled )
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return;
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//XXX we rely on a capturer to already have determined which item the mouse was over
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//XXX and have set an attribute.
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// if the click is on the toolbar proper, ignore it. We only care about clicks on
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// items.
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var toolbar = document.getElementById("PersonalToolbar");
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if ( event.target == toolbar )
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return true; // continue propagating the event
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// since the database is not on the toolbar, but on the innermost box, we need to
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// make sure we can find it before we go any further. If we can't find it, we're
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// up the creek, but don't keep propagating the event.
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var childWithDatabase = document.getElementById("innermostBox");
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if ( ! childWithDatabase ) {
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event.preventBubble();
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return;
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}
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// pinkerton
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// right now, the issue of d&d and these popup menus is really wacky, so i'm punting
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// until I have time to fix it and we can come up with a good UI gesture (bug 19588). In
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// the meantime, if the target is a container, don't initiate the drag.
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var container = event.target.getAttribute("container");
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if ( container == "true" )
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return;
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var dragStarted = false;
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var dragService =
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Components.classes["component://netscape/widget/dragservice"].getService(Components.interfaces.nsIDragService);
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if ( dragService ) {
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var trans =
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Components.classes["component://netscape/widget/transferable"].createInstance(Components.interfaces.nsITransferable);
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if ( trans ) {
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trans.addDataFlavor("moz/toolbaritem");
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var genData =
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Components.classes["component://netscape/supports-wstring"].createInstance(Components.interfaces.nsISupportsWString);
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trans.addDataFlavor("text/plain");
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var genTextData =
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Components.classes["component://netscape/supports-string"].createInstance(Components.interfaces.nsISupportsString);
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if ( genData && genTextData ) {
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var id = event.target.getAttribute("id");
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genData.data = id;
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genTextData.data = id;
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dump("ID: " + id + "\n");
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var database = childWithDatabase.database;
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var rdf =
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Components.classes["component://netscape/rdf/rdf-service"].getService(Components.interfaces.nsIRDFService);
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if ((!rdf) || (!database)) return(false);
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// make sure its a bookmark, bookmark separator, or bookmark folder
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var src = rdf.GetResource(id, true);
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var prop = rdf.GetResource("http://www.w3.org/1999/02/22-rdf-syntax-ns#type", true);
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var target = database.GetTarget(src, prop, true);
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/*
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pinkerton
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this doesn't work anymore (target is null), not sure why.
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if (target) target = target.QueryInterface(Components.interfaces.nsIRDFResource);
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if (target) target = target.Value;
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if ((!target) || (target == "")) {dump("BAD\n"); return(false);}
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dump("Type: '" + target + "'\n");
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if ((target != "http://home.netscape.com/NC-rdf#BookmarkSeparator") &&
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(target != "http://home.netscape.com/NC-rdf#Bookmark") &&
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(target != "http://home.netscape.com/NC-rdf#Folder")) return(false);
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*/
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trans.setTransferData ( "moz/toolbaritem", genData, id.length*2 ); // double byte data (len*2)
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trans.setTransferData ( "text/plain", genTextData, id.length ); // single byte data
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var transArray =
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Components.classes["component://netscape/supports-array"].createInstance(Components.interfaces.nsISupportsArray);
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if ( transArray ) {
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// put it into the transferable as an |nsISupports|
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var genTrans = trans.QueryInterface(Components.interfaces.nsISupports);
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transArray.AppendElement(genTrans);
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var nsIDragService = Components.interfaces.nsIDragService;
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dragService.invokeDragSession ( transArray, null, nsIDragService.DRAGDROP_ACTION_COPY +
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nsIDragService.DRAGDROP_ACTION_MOVE );
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dragStarted = true;
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}
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} // if data object
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} // if transferable
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} // if drag service
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if ( dragStarted ) // don't propagate the event if a drag has begun
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event.preventBubble();
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return true;
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} // BeginDragPersonalToolbar
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function DropPersonalToolbar ( event )
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{
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if ( !gDragDropEnabled )
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return;
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var dropAccepted = false;
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var dragService =
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Components.classes["component://netscape/widget/dragservice"].getService(Components.interfaces.nsIDragService);
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if ( dragService ) {
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var dragSession = dragService.getCurrentSession();
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if ( dragSession ) {
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var trans =
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Components.classes["component://netscape/widget/transferable"].createInstance(Components.interfaces.nsITransferable);
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if ( trans ) {
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// get references to various services/resources once up-front
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var personalToolbarRes = null;
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var rdf =
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Components.classes["component://netscape/rdf/rdf-service"].getService(Components.interfaces.nsIRDFService);
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if (rdf)
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personalToolbarRes = rdf.GetResource("NC:PersonalToolbarFolder");
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var rdfc =
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Components.classes["component://netscape/rdf/container"].getService(Components.interfaces.nsIRDFContainer);
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if ( !rdfc ) return false;
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trans.addDataFlavor("moz/toolbaritem");
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for ( var i = 0; i < dragSession.numDropItems; ++i ) {
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dragSession.getData ( trans, i );
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var dataObj = new Object();
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var bestFlavor = new Object();
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var len = new Object();
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trans.getAnyTransferData ( bestFlavor, dataObj, len );
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if ( dataObj ) dataObj = dataObj.value.QueryInterface(Components.interfaces.nsISupportsWString);
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if ( dataObj ) {
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// remember len is in bytes, not chars
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var id = dataObj.data.substring(0, len.value / 2);
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dump("ID: '" + id + "'\n");
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var objectRes = rdf.GetResource(id, true);
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dragSession.canDrop = true;
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dropAccepted = true;
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var boxWithDatabase = document.getElementById("innermostBox");
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var database = boxWithDatabase.database;
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if (database && rdf && rdfc && personalToolbarRes && objectRes)
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{
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rdfc.Init(database, personalToolbarRes);
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// Note: RDF Sequences are one-based, not zero-based
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// XXX figure out the REAL index to insert at;
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// for the moment, insert it as the first element (pos=1)
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var newIndex = 1;
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var currentIndex = rdfc.IndexOf(objectRes);
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if (currentIndex > 0)
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{
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dump("Element '" + id + "' was at position # " + currentIndex + "\n");
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rdfc.RemoveElement(objectRes, true);
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dump("Element '" + id + "' removed from position # " + currentIndex + "\n");
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}
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rdfc.InsertElementAt(objectRes, newIndex, true);
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dump("Element '" + id + "' re-inserted at new position # " + newIndex + ".\n");
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}
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}
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} // foreach drag item
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} // if transferable
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} // if dragsession
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} // if dragservice
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if ( dropAccepted ) // don't propagate the event if we did the drop
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event.preventBubble();
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} // DropPersonalToolbar
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function DragOverPersonalToolbar ( event )
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{
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if ( !gDragDropEnabled )
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|
return;
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var validFlavor = false;
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var dragSession = null;
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var dragService =
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Components.classes["component://netscape/widget/dragservice"].getService(Components.interfaces.nsIDragService);
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if ( dragService ) {
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dragSession = dragService.getCurrentSession();
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|
if ( dragSession ) {
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if ( dragSession.isDataFlavorSupported("moz/toolbaritem") )
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validFlavor = true;
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else if ( dragSession.isDataFlavorSupported("text/plain") )
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validFlavor = true;
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//XXX other flavors here...
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// touch the attribute to trigger the repaint with the drop feedback.
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if ( validFlavor ) {
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//XXX this is really slow and likes to refresh N times per second.
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var toolbar = document.getElementById("PersonalToolbar");
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toolbar.setAttribute ( "dd-triggerrepaint", 0 );
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dragSession.canDrop = true;
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event.preventBubble();
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}
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||||||
|
}
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||||||
|
}
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||||||
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} // DragOverPersonalToolbar
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||||||
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//
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// DragOverContentArea
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//
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// An example of how to handle drag-over. Looks for any of a handful of flavors and
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// if it finds them it marks the dragSession that the drop is allowed.
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//
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function DragOverContentArea ( event )
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||||||
|
{
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|
if ( !gDragDropEnabled )
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||||||
|
return;
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||||||
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||||||
|
var validFlavor = false;
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||||||
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var dragSession = null;
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||||||
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||||||
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var dragService =
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|
Components.classes["component://netscape/widget/dragservice"].getService(Components.interfaces.nsIDragService);
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||||||
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if ( dragService ) {
|
||||||
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dragSession = dragService.getCurrentSession();
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||||||
|
if ( dragSession ) {
|
||||||
|
if ( dragSession.isDataFlavorSupported("moz/toolbaritem") )
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||||||
|
validFlavor = true;
|
||||||
|
else if ( dragSession.isDataFlavorSupported("text/plain") )
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||||||
|
validFlavor = true;
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||||||
|
else if ( dragSession.isDataFlavorSupported("text/unicode") )
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||||||
|
validFlavor = true;
|
||||||
|
//XXX other flavors here...such as files from the desktop?
|
||||||
|
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||||||
|
if ( validFlavor ) {
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||||||
|
// XXX do some drag feedback here, set a style maybe???
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||||||
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||||||
|
dragSession.canDrop = true;
|
||||||
|
event.preventBubble();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} // DragOverContentArea
|
||||||
|
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||||||
|
|
||||||
|
//
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||||||
|
// DropOnContentArea
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||||||
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//
|
||||||
|
// An example of how to handle a drop. Basically looks for the text flavor, extracts it,
|
||||||
|
// shoves it into the url bar, and loads the given URL. No checking is done to make sure
|
||||||
|
// this is a url ;)
|
||||||
|
//
|
||||||
|
function DropOnContentArea ( event )
|
||||||
|
{
|
||||||
|
if ( !gDragDropEnabled )
|
||||||
|
return;
|
||||||
|
|
||||||
|
var dropAccepted = false;
|
||||||
|
|
||||||
|
var dragService =
|
||||||
|
Components.classes["component://netscape/widget/dragservice"].getService(Components.interfaces.nsIDragService);
|
||||||
|
if ( dragService ) {
|
||||||
|
var dragSession = dragService.getCurrentSession();
|
||||||
|
if ( dragSession ) {
|
||||||
|
var trans =
|
||||||
|
Components.classes["component://netscape/widget/transferable"].createInstance(Components.interfaces.nsITransferable);
|
||||||
|
if ( trans ) {
|
||||||
|
trans.addDataFlavor("text/unicode");
|
||||||
|
trans.addDataFlavor("text/plain");
|
||||||
|
for ( var i = 0; i < dragSession.numDropItems; ++i ) {
|
||||||
|
var id = "";
|
||||||
|
dragSession.getData ( trans, i );
|
||||||
|
var dataObj = new Object();
|
||||||
|
var bestFlavor = new Object();
|
||||||
|
var len = new Object();
|
||||||
|
trans.getAnyTransferData ( bestFlavor, dataObj, len );
|
||||||
|
if ( bestFlavor.value == "text/unicode" ) {
|
||||||
|
if ( dataObj ) dataObj = dataObj.value.QueryInterface(Components.interfaces.nsISupportsWString);
|
||||||
|
if ( dataObj ) {
|
||||||
|
// pull the URL out of the data object, two byte data
|
||||||
|
var id = dataObj.data.substring(0, len.value / 2);
|
||||||
|
dump("ID: '" + id + "'\n");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
if ( dataObj ) dataObj = dataObj.value.QueryInterface(Components.interfaces.nsISupportsString);
|
||||||
|
if ( dataObj ) {
|
||||||
|
// pull the URL out of the data object
|
||||||
|
var id = dataObj.data.substring(0, len.value);
|
||||||
|
dump("ID: '" + id + "'\n");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// stuff it into the url field and go, baby, go!
|
||||||
|
var urlBar = document.getElementById ( "urlbar" );
|
||||||
|
urlBar.value = id;
|
||||||
|
BrowserLoadURL();
|
||||||
|
|
||||||
|
event.preventBubble();
|
||||||
|
} // foreach drag item
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} // DropOnContentArea
|
||||||
|
|
||||||
|
|
||||||
|
//
|
||||||
|
// DragProxyIcon
|
||||||
|
//
|
||||||
|
// Called when the user is starting a drag from the proxy icon next to the URL bar. Basically
|
||||||
|
// just gets the url from the url bar and places the data (as plain text) in the drag service.
|
||||||
|
//
|
||||||
|
// This is by no means the final implementation, just another example of what you can do with
|
||||||
|
// JS. Much still left to do here.
|
||||||
|
//
|
||||||
|
function DragProxyIcon ( event )
|
||||||
|
{
|
||||||
|
if ( !gDragDropEnabled )
|
||||||
|
return;
|
||||||
|
|
||||||
|
var dragStarted = false;
|
||||||
|
var dragService =
|
||||||
|
Components.classes["component://netscape/widget/dragservice"].getService(Components.interfaces.nsIDragService);
|
||||||
|
if ( dragService ) {
|
||||||
|
var trans =
|
||||||
|
Components.classes["component://netscape/widget/transferable"].createInstance(Components.interfaces.nsITransferable);
|
||||||
|
if ( trans ) {
|
||||||
|
trans.addDataFlavor("text/plain");
|
||||||
|
var genTextData =
|
||||||
|
Components.classes["component://netscape/supports-string"].createInstance(Components.interfaces.nsISupportsString);
|
||||||
|
if ( genTextData ) {
|
||||||
|
|
||||||
|
// pull the url out of the url bar
|
||||||
|
var urlBar = document.getElementById ( "urlbar" );
|
||||||
|
if ( !urlBar )
|
||||||
|
return;
|
||||||
|
var id = urlBar.value
|
||||||
|
genTextData.data = id;
|
||||||
|
|
||||||
|
dump("ID: " + id + "\n");
|
||||||
|
|
||||||
|
trans.setTransferData ( "text/plain", genTextData, id.length ); // single byte data
|
||||||
|
var transArray =
|
||||||
|
Components.classes["component://netscape/supports-array"].createInstance(Components.interfaces.nsISupportsArray);
|
||||||
|
if ( transArray ) {
|
||||||
|
// put it into the transferable as an |nsISupports|
|
||||||
|
var genTrans = trans.QueryInterface(Components.interfaces.nsISupports);
|
||||||
|
transArray.AppendElement(genTrans);
|
||||||
|
var nsIDragService = Components.interfaces.nsIDragService;
|
||||||
|
dragService.invokeDragSession ( transArray, null, nsIDragService.DRAGDROP_ACTION_COPY +
|
||||||
|
nsIDragService.DRAGDROP_ACTION_MOVE );
|
||||||
|
dragStarted = true;
|
||||||
|
}
|
||||||
|
} // if data object
|
||||||
|
} // if transferable
|
||||||
|
} // if drag service
|
||||||
|
|
||||||
|
if ( dragStarted ) // don't propagate the event if a drag has begun
|
||||||
|
event.preventBubble();
|
||||||
|
|
||||||
|
} // DragProxyIcon
|
||||||
|
|
||||||
300
xpfe/components/bookmarks/resources/bookmarksDD.js
Normal file
300
xpfe/components/bookmarks/resources/bookmarksDD.js
Normal file
@ -0,0 +1,300 @@
|
|||||||
|
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
||||||
|
*
|
||||||
|
* 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):
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
//
|
||||||
|
// Determine if d&d is on or not, off by default for beta but we want mozilla
|
||||||
|
// folks to be able to turn it on if they so desire.
|
||||||
|
//
|
||||||
|
var gDragDropEnabled = false;
|
||||||
|
var pref = null;
|
||||||
|
try {
|
||||||
|
pref = Components.classes['component://netscape/preferences'];
|
||||||
|
pref = pref.getService();
|
||||||
|
pref = pref.QueryInterface(Components.interfaces.nsIPref);
|
||||||
|
}
|
||||||
|
catch (ex) {
|
||||||
|
dump("failed to get prefs service!\n");
|
||||||
|
pref = null;
|
||||||
|
}
|
||||||
|
|
||||||
|
try {
|
||||||
|
gDragDropEnabled = pref.GetBoolPref("xpfe.dragdrop.enable");
|
||||||
|
}
|
||||||
|
catch (ex) {
|
||||||
|
dump("assuming d&d is off for Bookmarks\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
function TopLevelDrag ( event )
|
||||||
|
{
|
||||||
|
debug("TOP LEVEL bookmarks window got a drag");
|
||||||
|
return(true);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
function BeginDragTree ( event )
|
||||||
|
{
|
||||||
|
if ( !gDragDropEnabled )
|
||||||
|
return;
|
||||||
|
|
||||||
|
//XXX we rely on a capturer to already have determined which item the mouse was over
|
||||||
|
//XXX and have set an attribute.
|
||||||
|
|
||||||
|
// if the click is on the tree proper, ignore it. We only care about clicks on items.
|
||||||
|
|
||||||
|
var tree = document.getElementById("bookmarksTree");
|
||||||
|
if ( event.target == tree )
|
||||||
|
return(true); // continue propagating the event
|
||||||
|
|
||||||
|
var childWithDatabase = tree;
|
||||||
|
if ( ! childWithDatabase )
|
||||||
|
return(false);
|
||||||
|
|
||||||
|
var dragStarted = false;
|
||||||
|
|
||||||
|
var dragService =
|
||||||
|
Components.classes["component://netscape/widget/dragservice"].getService(Components.interfaces.nsIDragService);
|
||||||
|
if ( !dragService ) return(false);
|
||||||
|
|
||||||
|
var trans =
|
||||||
|
Components.classes["component://netscape/widget/transferable"].createInstance(Components.interfaces.nsITransferable);
|
||||||
|
if ( !trans ) return(false);
|
||||||
|
|
||||||
|
var genData =
|
||||||
|
Components.classes["component://netscape/supports-wstring"].createInstance(Components.interfaces.nsISupportsWString);
|
||||||
|
if (!genData) return(false);
|
||||||
|
|
||||||
|
var genTextData =
|
||||||
|
Components.classes["component://netscape/supports-string"].createInstance(Components.interfaces.nsISupportsString);
|
||||||
|
if (!genTextData) return(false);
|
||||||
|
|
||||||
|
trans.addDataFlavor("text/plain");
|
||||||
|
|
||||||
|
// id (url) is on the <treeitem> which is two levels above the <treecell> which is
|
||||||
|
// the target of the event.
|
||||||
|
var id = event.target.parentNode.parentNode.getAttribute("id");
|
||||||
|
genData.data = id;
|
||||||
|
genTextData.data = id;
|
||||||
|
debug("ID: " + id);
|
||||||
|
|
||||||
|
var database = childWithDatabase.database;
|
||||||
|
var rdf =
|
||||||
|
Components.classes["component://netscape/rdf/rdf-service"].getService(Components.interfaces.nsIRDFService);
|
||||||
|
if ((!rdf) || (!database)) { dump("CAN'T GET DATABASE\n"); return(false); }
|
||||||
|
|
||||||
|
// make sure its a bookmark, bookmark separator, or bookmark folder
|
||||||
|
var src = rdf.GetResource(id, true);
|
||||||
|
var prop = rdf.GetResource("http://www.w3.org/1999/02/22-rdf-syntax-ns#type", true);
|
||||||
|
var target = database.GetTarget(src, prop, true);
|
||||||
|
|
||||||
|
if (target) target = target.QueryInterface(Components.interfaces.nsIRDFResource);
|
||||||
|
if (target) target = target.Value;
|
||||||
|
if ((!target) || (target == "")) {dump("BAD\n"); return(false);}
|
||||||
|
debug("Type: '" + target + "'");
|
||||||
|
|
||||||
|
if ((target != "http://home.netscape.com/NC-rdf#BookmarkSeparator") &&
|
||||||
|
(target != "http://home.netscape.com/NC-rdf#Bookmark") &&
|
||||||
|
(target != "http://home.netscape.com/NC-rdf#Folder")) return(false);
|
||||||
|
|
||||||
|
|
||||||
|
// trans.setTransferData ( "moz/toolbaritem", genData, id.length*2 ); // double byte data (len*2)
|
||||||
|
trans.setTransferData ( "text/plain", genTextData, id.length ); // single byte data
|
||||||
|
|
||||||
|
var transArray =
|
||||||
|
Components.classes["component://netscape/supports-array"].createInstance(Components.interfaces.nsISupportsArray);
|
||||||
|
if ( !transArray ) return(false);
|
||||||
|
|
||||||
|
// put it into the transferable as an |nsISupports|
|
||||||
|
var genTrans = trans.QueryInterface(Components.interfaces.nsISupports);
|
||||||
|
transArray.AppendElement(genTrans);
|
||||||
|
var nsIDragService = Components.interfaces.nsIDragService;
|
||||||
|
dragService.invokeDragSession ( transArray, null, nsIDragService.DRAGDROP_ACTION_COPY +
|
||||||
|
nsIDragService.DRAGDROP_ACTION_MOVE );
|
||||||
|
dragStarted = true;
|
||||||
|
|
||||||
|
return(!dragStarted); // don't propagate the event if a drag has begun
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
function DragOverTree ( event )
|
||||||
|
{
|
||||||
|
if ( !gDragDropEnabled )
|
||||||
|
return;
|
||||||
|
|
||||||
|
var validFlavor = false;
|
||||||
|
var dragSession = null;
|
||||||
|
var retVal = true;
|
||||||
|
|
||||||
|
var dragService =
|
||||||
|
Components.classes["component://netscape/widget/dragservice"].getService(Components.interfaces.nsIDragService);
|
||||||
|
if ( !dragService ) return(false);
|
||||||
|
|
||||||
|
dragSession = dragService.getCurrentSession();
|
||||||
|
if ( !dragSession ) return(false);
|
||||||
|
|
||||||
|
if ( dragSession.isDataFlavorSupported("moz/toolbaritem") ) validFlavor = true;
|
||||||
|
else if ( dragSession.isDataFlavorSupported("text/plain") ) validFlavor = true;
|
||||||
|
//XXX other flavors here...
|
||||||
|
|
||||||
|
// touch the attribute on the rowgroup to trigger the repaint with the drop feedback.
|
||||||
|
if ( validFlavor )
|
||||||
|
{
|
||||||
|
//XXX this is really slow and likes to refresh N times per second.
|
||||||
|
var rowGroup = event.target.parentNode.parentNode;
|
||||||
|
rowGroup.setAttribute ( "dd-triggerrepaint", 0 );
|
||||||
|
dragSession.canDrop = true;
|
||||||
|
// necessary??
|
||||||
|
retVal = false; // do not propagate message
|
||||||
|
}
|
||||||
|
return(retVal);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
function DropOnTree ( event )
|
||||||
|
{
|
||||||
|
if ( !gDragDropEnabled )
|
||||||
|
return;
|
||||||
|
|
||||||
|
var RDF =
|
||||||
|
Components.classes["component://netscape/rdf/rdf-service"].getService(Components.interfaces.nsIRDFService);
|
||||||
|
if (!RDF) return(false);
|
||||||
|
var RDFC =
|
||||||
|
Components.classes["component://netscape/rdf/container"].getService(Components.interfaces.nsIRDFContainer);
|
||||||
|
if (!RDFC) return(false);
|
||||||
|
|
||||||
|
var Bookmarks = RDF.GetDataSource("rdf:bookmarks");
|
||||||
|
if (!Bookmarks) return(false);
|
||||||
|
|
||||||
|
var treeRoot = document.getElementById("bookmarksTree");
|
||||||
|
if (!treeRoot) return(false);
|
||||||
|
var treeDatabase = treeRoot.database;
|
||||||
|
if (!treeDatabase) return(false);
|
||||||
|
|
||||||
|
// target is the <treecell>, and "id" is on the <treeitem> two levels above
|
||||||
|
var treeItem = event.target.parentNode.parentNode;
|
||||||
|
if (!treeItem) return(false);
|
||||||
|
var targetID = getAbsoluteID(treeRoot, treeItem);
|
||||||
|
if (!targetID) return(false);
|
||||||
|
var targetNode = RDF.GetResource(targetID, true);
|
||||||
|
if (!targetNode) return(false);
|
||||||
|
|
||||||
|
// get drop hint attributes
|
||||||
|
var dropBefore = treeItem.getAttribute("dd-droplocation");
|
||||||
|
var dropOn = treeItem.getAttribute("dd-dropon");
|
||||||
|
|
||||||
|
// calculate drop action
|
||||||
|
var dropAction;
|
||||||
|
if (dropBefore == "true") dropAction = "before";
|
||||||
|
else if (dropOn == "true") dropAction = "on";
|
||||||
|
else dropAction = "after";
|
||||||
|
|
||||||
|
// calculate parent container node
|
||||||
|
var containerItem = treeItem;
|
||||||
|
if (dropAction != "on")
|
||||||
|
containerItem = treeItem.parentNode.parentNode;
|
||||||
|
|
||||||
|
var containerID = getAbsoluteID(treeRoot, containerItem);
|
||||||
|
if (!containerID) return(false);
|
||||||
|
var containerNode = RDF.GetResource(containerID);
|
||||||
|
if (!containerNode) return(false);
|
||||||
|
|
||||||
|
var dragService =
|
||||||
|
Components.classes["component://netscape/widget/dragservice"].getService(Components.interfaces.nsIDragService);
|
||||||
|
if ( !dragService ) return(false);
|
||||||
|
|
||||||
|
var dragSession = dragService.getCurrentSession();
|
||||||
|
if ( !dragSession ) return(false);
|
||||||
|
|
||||||
|
var trans =
|
||||||
|
Components.classes["component://netscape/widget/transferable"].createInstance(Components.interfaces.nsITransferable);
|
||||||
|
if ( !trans ) return(false);
|
||||||
|
trans.addDataFlavor("text/plain");
|
||||||
|
|
||||||
|
var dirty = false;
|
||||||
|
|
||||||
|
for ( var i = 0; i < dragSession.numDropItems; ++i )
|
||||||
|
{
|
||||||
|
dragSession.getData ( trans, i );
|
||||||
|
var dataObj = new Object();
|
||||||
|
var bestFlavor = new Object();
|
||||||
|
var len = new Object();
|
||||||
|
trans.getAnyTransferData ( bestFlavor, dataObj, len );
|
||||||
|
if ( dataObj ) dataObj = dataObj.value.QueryInterface(Components.interfaces.nsISupportsString);
|
||||||
|
if ( !dataObj ) continue;
|
||||||
|
|
||||||
|
// pull the URL out of the data object
|
||||||
|
var sourceID = dataObj.data.substring(0, len.value);
|
||||||
|
if (!sourceID) continue;
|
||||||
|
|
||||||
|
debug(" Node #" + i + ": drop '" + sourceID + "' " + dropAction + " '" + targetID + "'");
|
||||||
|
|
||||||
|
var sourceNode = RDF.GetResource(sourceID, true);
|
||||||
|
if (!sourceNode) continue;
|
||||||
|
|
||||||
|
// Prevent dropping of a node before, after, or on itself
|
||||||
|
if (sourceNode == targetNode) continue;
|
||||||
|
|
||||||
|
RDFC.Init(Bookmarks, containerNode);
|
||||||
|
|
||||||
|
if ((dropAction == "before") || (dropAction == "after"))
|
||||||
|
{
|
||||||
|
// drop before or after
|
||||||
|
var nodeIndex;
|
||||||
|
|
||||||
|
nodeIndex = RDFC.IndexOf(sourceNode);
|
||||||
|
if (nodeIndex >= 1)
|
||||||
|
{
|
||||||
|
// moving a node around inside of the container
|
||||||
|
// so remove, then re-add the node
|
||||||
|
RDFC.RemoveElementAt(nodeIndex, true, sourceNode);
|
||||||
|
}
|
||||||
|
|
||||||
|
nodeIndex = RDFC.IndexOf(targetNode);
|
||||||
|
if (nodeIndex < 1) return(false);
|
||||||
|
if (dropAction == "after") ++nodeIndex;
|
||||||
|
|
||||||
|
RDFC.InsertElementAt(sourceNode, nodeIndex, true);
|
||||||
|
dirty = true;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
// drop on
|
||||||
|
RDFC.AppendElement(sourceNode);
|
||||||
|
dirty = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (dirty == true)
|
||||||
|
{
|
||||||
|
var remote = Bookmarks.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource);
|
||||||
|
if (remote)
|
||||||
|
{
|
||||||
|
remote.Flush();
|
||||||
|
debug("Wrote out bookmark changes.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return(false);
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user