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324 lines
10 KiB
JavaScript
324 lines
10 KiB
JavaScript
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 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 Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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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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* Bradley Baetz <bbaetz@student.usyd.edu.au>
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* Joe Hewitt <hewitt@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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 MPL, 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 MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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Script for the directory window
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*/
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const RDFSERVICE_CONTRACTID = "@mozilla.org/rdf/rdf-service;1";
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const DRAGSERVICE_CONTRACTID = "@mozilla.org/widget/dragservice;1";
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const TRANSFERABLE_CONTRACTID = "@mozilla.org/widget/transferable;1";
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const XULSORTSERVICE_CONTRACTID = "@mozilla.org/xul/xul-sort-service;1";
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const ARRAY_CONTRACTID = "@mozilla.org/supports-array;1";
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const WSTRING_CONTRACTID = "@mozilla.org/supports-string;1";
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const NC_NS = "http://home.netscape.com/NC-rdf#";
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const NC_NAME = NC_NS + "Name";
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const NC_URL = NC_NS + "URL";
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const NC_LOADING = NC_NS + "loading";
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const nsIHTTPIndex = Components.interfaces.nsIHTTPIndex;
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const nsIDragService = Components.interfaces.nsIDragService;
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const nsITransferable = Components.interfaces.nsITransferable;
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const nsIXULSortService = Components.interfaces.nsIXULSortService;
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const nsIRDFService = Components.interfaces.nsIRDFService;
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const nsIRDFLiteral = Components.interfaces.nsIRDFLiteral;
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const nsISupportsArray = Components.interfaces.nsISupportsArray;
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const nsISupportsString = Components.interfaces.nsISupportsString;
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// By the time this runs, The 'HTTPIndex' variable will have been
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// magically set on the global object by the native code.
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function debug(msg)
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{
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// Uncomment to print out debug info.
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//dump(msg);
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}
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var loadingArc = null;
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var loadingLevel = 0;
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var RDF_observer =
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{
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onAssert: function(ds, src, prop, target)
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{
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if (prop == loadingArc) {
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if (loadingLevel++ == 0)
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SetBusyCursor(window, true);
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debug("Directory: assert: loading level is " + loadingLevel + " for " + src.Value + "\n");
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}
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},
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onUnassert: function(ds, src, prop, target)
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{
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if (prop == loadingArc) {
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if (loadingLevel > 0)
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if (--loadingLevel == 0)
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SetBusyCursor(window, false);
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debug("Directory: unassert: loading level is " + loadingLevel + " for " + src.Value + "\n");
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}
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},
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onChange: function(ds, src, prop, old_target, new_target) { },
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onMove: function(ds, old_src, new_src, prop, target) { },
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onBeginUpdateBatch: function(ds) { },
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onEndUpdateBatch: function(ds) { }
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};
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function
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SetBusyCursor(window, enable)
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{
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// Defensive check: setCursor() is only available for
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// chrome windows. Since one of our frame might be a
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// non-chrome window, make sure the window we treat has
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// a setCursor method.
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if("setCursor" in window) {
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if(enable == true) {
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window.setCursor("wait");
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debug("Directory: cursor=busy\n");
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} else {
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window.setCursor("auto");
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debug("Directory: cursor=notbusy\n");
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}
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}
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var numFrames = window.frames.length;
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for (var i = 0; i < numFrames; i++)
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SetBusyCursor(window.frames[i], enable);
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}
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// We need this hack because we've completely circumvented the onload() logic.
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function Boot()
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{
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if (document.getElementById('tree'))
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Init();
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else
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setTimeout("Boot()", 500);
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}
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setTimeout("Boot()", 0);
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function Init()
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{
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debug("directory.js: Init()\n");
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var tree = document.getElementById('tree');
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// Initialize the tree's base URL to whatever the HTTPIndex is rooted at
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var baseURI = HTTPIndex.BaseURL;
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if (baseURI && (baseURI.indexOf("ftp://") == 0)) {
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// fix bug # 37102: if its a FTP directory
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// ensure it ends with a trailing slash
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if (baseURI.substr(baseURI.length - 1) != "/") {
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debug("append traiing slash to FTP directory URL\n");
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baseURI += "/";
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}
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// Lets also enable the loggin window.
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var node = document.getElementById("main-splitter");
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node.setAttribute("hidden", false);
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node = document.getElementById("logbox");
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node.setAttribute("hidden", false);
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}
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if (baseURI && (baseURI.indexOf("file://") != 0)) {
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// Note: DON'T add the HTTPIndex datasource into the tree
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// for file URLs, only do it for FTP/Gopher/etc URLs; the "rdf:files"
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// datasources handles file URLs
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tree.database.AddDataSource(HTTPIndex);
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}
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// Note: set encoding BEFORE setting "ref" (important!)
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var RDF = Components.classes[RDFSERVICE_CONTRACTID].getService();
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if (RDF) RDF = RDF.QueryInterface(nsIRDFService);
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if (RDF) {
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loadingArc = RDF.GetResource(NC_LOADING, true);
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var httpDS = HTTPIndex.DataSource;
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if (httpDS) httpDS = httpDS.QueryInterface(nsIHTTPIndex);
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if (httpDS) {
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httpDS.encoding = "ISO-8859-1";
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// Use a default character set.
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if (window.content.defaultCharacterset)
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httpDS.encoding = window.content.defaultCharacterset;
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}
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}
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// set window title
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document.title = baseURI;
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tree.database.AddObserver(RDF_observer);
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debug("Directory: added observer\n");
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// root the tree (do this last)
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tree.setAttribute("ref", baseURI);
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}
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function DoUnload()
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{
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var tree = document.getElementById("tree");
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if (tree) {
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tree.database.RemoveDataSource(HTTPIndex);
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tree.database.RemoveObserver(RDF_observer);
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debug("Directory: removed observer\n");
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}
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}
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function OnClick(event)
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{
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if (event.target.localName != "treechildren")
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return false;
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if( event.type == "click" && (event.button != 0 || event.detail != 2))
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return false;
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if( event.type == "keypress" && event.keyCode != 13)
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return false;
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var tree = document.getElementById("tree");
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if (tree.currentIndex >= 0) {
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var item = tree.contentView.getItemAtIndex(tree.currentIndex);
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window.content.location.href = item.getAttributeNS(NC_NS, "url");
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}
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}
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function doSort(aTarget)
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{
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if (aTarget.localName != "treecol")
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return;
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// determine column resource to sort on
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var sortResource = aTarget.getAttribute('resource');
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// switch between ascending & descending sort (no natural order support)
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var sortDirection = aTarget.getAttribute("sortDirection") == "ascending" ? "descending" : "ascending";
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try {
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var sortService = Components.classes[XULSORTSERVICE_CONTRACTID].getService(nsIXULSortService);
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sortService.sort(aTarget, sortResource, sortDirection);
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} catch(ex) { }
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}
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function BeginDragTree (event)
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{
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if (event.target.localName != "treechildren")
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return true;
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var dragStarted = false;
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try {
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// determine which treeitem was dragged
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var tree = document.getElementById("tree");
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var row = tree.treeBoxObject.getRowAt(event.clientX, event.clientY);
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var item = tree.contentView.getItemAtIndex(row);
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// get information from treeitem for drag
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var url = item.getAttributeNS(NC_NS, "url");
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var desc = item.getAttributeNS(NC_NS, "desc");
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var RDF = Components.classes[RDFSERVICE_CONTRACTID].getService(nsIRDFService);
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var transferable =
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Components.classes[TRANSFERABLE_CONTRACTID].createInstance(nsITransferable);
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var genDataURL =
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Components.classes[WSTRING_CONTRACTID].createInstance(nsISupportsString);
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var genDataHTML =
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Components.classes[WSTRING_CONTRACTID].createInstance(nsISupportsString);
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var genData =
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Components.classes[WSTRING_CONTRACTID].createInstance(nsISupportsString);
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var genDataURL =
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Components.classes[WSTRING_CONTRACTID].createInstance(nsISupportsString);
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transferable.addDataFlavor("text/x-moz-url");
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transferable.addDataFlavor("text/html");
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transferable.addDataFlavor("text/unicode");
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genDataURL.data = url + "\n" + desc;
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genDataHTML.data = "<a href=\"" + url + "\">" + desc + "</a>";
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genData.data = url;
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transferable.setTransferData("text/x-moz-url", genDataURL, genDataURL.data.length * 2);
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transferable.setTransferData("text/html", genDataHTML, genDataHTML.data.length * 2);
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transferable.setTransferData("text/unicode", genData, genData.data.length * 2);
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var transArray =
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Components.classes[ARRAY_CONTRACTID].createInstance(nsISupportsArray);
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// put it into the transferable as an |nsISupports|
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var genTrans = transferable.QueryInterface(Components.interfaces.nsISupports);
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transArray.AppendElement(genTrans);
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var dragService =
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Components.classes[DRAGSERVICE_CONTRACTID].getService(nsIDragService);
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dragService.invokeDragSession(event.target, transArray, null, nsIDragService.DRAGDROP_ACTION_COPY +
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nsIDragService.DRAGDROP_ACTION_MOVE);
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dragStarted = true;
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} catch (ex) { }
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return !dragStarted;
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}
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function scrollDown()
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{
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window.frames[0].scrollTo(0, window.frames[0].document.height);
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}
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function OnFTPControlLog( server, msg )
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{
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var logdoc = frames[0].document;
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var logdocDiv = logdoc.getElementById("logboxDiv");
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var div = document.createElementNS("http://www.w3.org/1999/xhtml",
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"html:div");
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if (server)
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div.setAttribute("class", "server");
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else
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div.setAttribute("class", "client");
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div.appendChild (document.createTextNode(msg));
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logdocDiv.appendChild(div);
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scrollDown();
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}
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