mirror of
https://github.com/rn10950/RetroZilla.git
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124 lines
4.1 KiB
JavaScript
124 lines
4.1 KiB
JavaScript
/* ***** 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) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Joe Hewitt <hewitt@netscape.com> (original author)
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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 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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* FilePickerUtils -------------------------------------------------
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* A utility for easily dealing with the file picker dialog.
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* REQUIRED IMPORTS:
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****************************************************************/
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//////////// global constants ////////////////////
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const kFilePickerCID = "@mozilla.org/filepicker;1";
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const kLFileCID = "@mozilla.org/file/local;1";
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const nsIFilePicker = Components.interfaces.nsIFilePicker;
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////////////////////////////////////////////////////////////////////////////
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//// class FilePickerUtils
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var FilePickerUtils =
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{
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pickFile: function(aTitle, aInitPath, aFilters, aMode)
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{
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try {
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var modeStr = aMode ? "mode" + aMode : "modeOpen";
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var mode;
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try {
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mode = nsIFilePicker[modeStr];
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} catch (ex) {
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dump("WARNING: Invalid FilePicker mode '"+aMode+"'. Defaulting to 'Open'.\n");
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mode = nsIFilePicker.modeOpen;
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}
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var fp = XPCU.createInstance(kFilePickerCID, "nsIFilePicker");
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fp.init(window, aTitle, mode);
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// join array of filter names into bit string
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var filters = this.prepareFilters(aFilters);
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if (aInitPath) {
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var dir = XPCU.createInstance(kLFileCID, "nsILocalFile");
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dir.initWithPath(aInitPath);
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fp.displayDirectory = dir;
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}
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if (fp.show() == nsIFilePicker.returnOK) {
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return fp.file;
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}
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} catch (ex) {
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dump("ERROR: Unable to open file picker.\n" + ex + "\n");
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}
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return null;
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},
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pickDir: function(aTitle, aInitPath)
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{
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try {
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var fp = XPCU.createInstance(kFilePickerCID, "nsIFilePicker");
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fp.init(window, aTitle, nsIFilePicker.modeGetFolder);
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if (aInitPath) {
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var dir = XPCU.createInstance(kLFileCID, "nsILocalFile");
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dir.initWithPath(aInitPath);
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fp.displayDirectory = dir;
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}
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if (fp.show() == nsIFilePicker.returnOK) {
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return fp.file;
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}
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} catch (ex) {
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dump("ERROR: Unable to open directory picker.\n" + ex + "\n");
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}
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return null;
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},
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prepareFilters: function(aFilters)
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{
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// join array of filter names into bit string
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var filters = 0;
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for (var i = 0; i < aFilters.length; ++i)
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filters = filters | nsIFilePicker[aFilters[i]];
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return filters;
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}
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};
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