michael@0: // -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0: 
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: const nsIFilePicker       = Components.interfaces.nsIFilePicker;
michael@0: const nsIProperties       = Components.interfaces.nsIProperties;
michael@0: const NS_DIRECTORYSERVICE_CONTRACTID = "@mozilla.org/file/directory_service;1";
michael@0: const NS_IOSERVICE_CONTRACTID = "@mozilla.org/network/io-service;1";
michael@0: const nsITreeBoxObject = Components.interfaces.nsITreeBoxObject;
michael@0: const nsIFileView = Components.interfaces.nsIFileView;
michael@0: const NS_FILEVIEW_CONTRACTID = "@mozilla.org/filepicker/fileview;1";
michael@0: const nsITreeView = Components.interfaces.nsITreeView;
michael@0: const nsILocalFile = Components.interfaces.nsILocalFile;
michael@0: const nsIFile = Components.interfaces.nsIFile;
michael@0: const NS_LOCAL_FILE_CONTRACTID = "@mozilla.org/file/local;1";
michael@0: const NS_PROMPTSERVICE_CONTRACTID = "@mozilla.org/embedcomp/prompt-service;1";
michael@0: 
michael@0: var sfile = Components.classes[NS_LOCAL_FILE_CONTRACTID].createInstance(nsILocalFile);
michael@0: var retvals;
michael@0: var filePickerMode;
michael@0: var homeDir;
michael@0: var treeView;
michael@0: var allowURLs;
michael@0: 
michael@0: var textInput;
michael@0: var okButton;
michael@0: 
michael@0: var gFilePickerBundle;
michael@0: 
michael@0: // name of new directory entered by the user to be remembered
michael@0: // for next call of newDir() in case something goes wrong with creation
michael@0: var gNewDirName = { value: "" };
michael@0: 
michael@0: function filepickerLoad() {
michael@0:   gFilePickerBundle = document.getElementById("bundle_filepicker");
michael@0: 
michael@0:   textInput = document.getElementById("textInput");
michael@0:   okButton = document.documentElement.getButton("accept");
michael@0:   treeView = Components.classes[NS_FILEVIEW_CONTRACTID].createInstance(nsIFileView);
michael@0: 
michael@0:   if (window.arguments) {
michael@0:     var o = window.arguments[0];
michael@0:     retvals = o.retvals; /* set this to a global var so we can set return values */
michael@0:     const title = o.title;
michael@0:     filePickerMode = o.mode;
michael@0:     if (o.displayDirectory) {
michael@0:       const directory = o.displayDirectory.path;
michael@0:     }
michael@0: 
michael@0:     const initialText = o.defaultString;
michael@0:     const filterTitles = o.filters.titles;
michael@0:     const filterTypes = o.filters.types;
michael@0:     const numFilters = filterTitles.length;
michael@0: 
michael@0:     document.title = title;
michael@0:     allowURLs = o.allowURLs;
michael@0: 
michael@0:     if (initialText) {
michael@0:       textInput.value = initialText;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   if (filePickerMode != nsIFilePicker.modeOpen && filePickerMode != nsIFilePicker.modeOpenMultiple) {
michael@0:     var newDirButton = document.getElementById("newDirButton");
michael@0:     newDirButton.removeAttribute("hidden");
michael@0:   }
michael@0: 
michael@0:   if (filePickerMode == nsIFilePicker.modeGetFolder) {
michael@0:     var textInputLabel = document.getElementById("textInputLabel");
michael@0:     textInputLabel.value = gFilePickerBundle.getString("dirTextInputLabel");
michael@0:     textInputLabel.accessKey = gFilePickerBundle.getString("dirTextInputAccesskey");
michael@0:   }
michael@0:   
michael@0:   if ((filePickerMode == nsIFilePicker.modeOpen) ||
michael@0:       (filePickerMode == nsIFilePicker.modeOpenMultiple) ||
michael@0:       (filePickerMode == nsIFilePicker.modeSave)) {
michael@0: 
michael@0:     /* build filter popup */
michael@0:     var filterPopup = document.createElement("menupopup");
michael@0: 
michael@0:     for (var i = 0; i < numFilters; i++) {
michael@0:       var menuItem = document.createElement("menuitem");
michael@0:       if (filterTypes[i] == "..apps")
michael@0:         menuItem.setAttribute("label", filterTitles[i]);
michael@0:       else
michael@0:         menuItem.setAttribute("label", filterTitles[i] + " (" + filterTypes[i] + ")");
michael@0:       menuItem.setAttribute("filters", filterTypes[i]);
michael@0:       filterPopup.appendChild(menuItem);
michael@0:     }
michael@0: 
michael@0:     var filterMenuList = document.getElementById("filterMenuList");
michael@0:     filterMenuList.appendChild(filterPopup);
michael@0:     if (numFilters > 0)
michael@0:       filterMenuList.selectedIndex = 0;
michael@0:     var filterBox = document.getElementById("filterBox");
michael@0:     filterBox.removeAttribute("hidden");
michael@0: 
michael@0:     filterMenuList.selectedIndex = o.filterIndex;
michael@0: 
michael@0:     treeView.setFilter(filterTypes[o.filterIndex]);
michael@0: 
michael@0:   } else if (filePickerMode == nsIFilePicker.modeGetFolder) {
michael@0:     treeView.showOnlyDirectories = true;
michael@0:   }
michael@0: 
michael@0:   // The dialog defaults to an "open" icon, change it to "save" if applicable
michael@0:   if (filePickerMode == nsIFilePicker.modeSave)
michael@0:     okButton.setAttribute("icon", "save");
michael@0: 
michael@0:   // start out with a filename sort
michael@0:   handleColumnClick("FilenameColumn");
michael@0: 
michael@0:   try {
michael@0:     setOKAction();
michael@0:   } catch (exception) {
michael@0:     // keep it set to "OK"
michael@0:   }
michael@0: 
michael@0:   // setup the dialogOverlay.xul button handlers
michael@0:   retvals.buttonStatus = nsIFilePicker.returnCancel;
michael@0: 
michael@0:   var tree = document.getElementById("directoryTree");
michael@0:   if (filePickerMode == nsIFilePicker.modeOpenMultiple)
michael@0:     tree.removeAttribute("seltype");
michael@0: 
michael@0:   tree.treeBoxObject.view = treeView;
michael@0: 
michael@0:   // Start out with the ok button disabled since nothing will be
michael@0:   // selected and nothing will be in the text field.
michael@0:   okButton.disabled = filePickerMode != nsIFilePicker.modeGetFolder;
michael@0: 
michael@0:   // This allows the window to show onscreen before we begin
michael@0:   // loading the file list
michael@0: 
michael@0:   setTimeout(setInitialDirectory, 0, directory);
michael@0: }
michael@0: 
michael@0: function setInitialDirectory(directory)
michael@0: {
michael@0:   // Start in the user's home directory
michael@0:   var dirService = Components.classes[NS_DIRECTORYSERVICE_CONTRACTID]
michael@0:                              .getService(nsIProperties);
michael@0:   homeDir = dirService.get("Home", Components.interfaces.nsIFile);
michael@0: 
michael@0:   if (directory) {
michael@0:     sfile.initWithPath(directory);
michael@0:     if (!sfile.exists() || !sfile.isDirectory())
michael@0:       directory = false;
michael@0:   }
michael@0:   if (!directory) {
michael@0:     sfile.initWithPath(homeDir.path);
michael@0:   }
michael@0: 
michael@0:   gotoDirectory(sfile);
michael@0: }
michael@0: 
michael@0: function onFilterChanged(target)
michael@0: {
michael@0:   // Do this on a timeout callback so the filter list can roll up
michael@0:   // and we don't keep the mouse grabbed while we are refiltering.
michael@0: 
michael@0:   setTimeout(changeFilter, 0, target.getAttribute("filters"));
michael@0: }
michael@0: 
michael@0: function changeFilter(filterTypes)
michael@0: {
michael@0:   window.setCursor("wait");
michael@0:   treeView.setFilter(filterTypes);
michael@0:   window.setCursor("auto");
michael@0: }
michael@0: 
michael@0: function showErrorDialog(titleStrName, messageStrName, file)
michael@0: {
michael@0:   var errorTitle =
michael@0:     gFilePickerBundle.getFormattedString(titleStrName, [file.path]);
michael@0:   var errorMessage =
michael@0:     gFilePickerBundle.getFormattedString(messageStrName, [file.path]);
michael@0:   var promptService =
michael@0:     Components.classes[NS_PROMPTSERVICE_CONTRACTID].getService(Components.interfaces.nsIPromptService);
michael@0: 
michael@0:   promptService.alert(window, errorTitle, errorMessage);
michael@0: }
michael@0: 
michael@0: function openOnOK()
michael@0: {
michael@0:   var dir = treeView.selectedFiles.queryElementAt(0, nsIFile);
michael@0:   if (dir)
michael@0:     gotoDirectory(dir);
michael@0: 
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: function selectOnOK()
michael@0: {
michael@0:   var errorTitle, errorMessage, promptService;
michael@0:   var ret = nsIFilePicker.returnOK;
michael@0: 
michael@0:   var isDir = false;
michael@0:   var isFile = false;
michael@0: 
michael@0:   retvals.filterIndex = document.getElementById("filterMenuList").selectedIndex;
michael@0:   retvals.fileURL = null;
michael@0: 
michael@0:   if (allowURLs) {
michael@0:     try {
michael@0:       var ios = Components.classes[NS_IOSERVICE_CONTRACTID].getService(Components.interfaces.nsIIOService);
michael@0:       retvals.fileURL = ios.newURI(textInput.value, null, null);
michael@0:       var fileList = [];
michael@0:       if (retvals.fileURL instanceof Components.interfaces.nsIFileURL)
michael@0:         fileList.push(retvals.fileURL.file);
michael@0:       gFilesEnumerator.mFiles = fileList;
michael@0:       retvals.files = gFilesEnumerator;
michael@0:       retvals.buttonStatus = ret;
michael@0: 
michael@0:       return true;
michael@0:     } catch (e) {
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   var fileList = processPath(textInput.value);
michael@0:   if (!fileList) {
michael@0:     // generic error message, should probably never happen
michael@0:     showErrorDialog("errorPathProblemTitle",
michael@0:                     "errorPathProblemMessage",
michael@0:                     textInput.value);
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   var curFileIndex;
michael@0:   for (curFileIndex = 0; curFileIndex < fileList.length &&
michael@0:          ret != nsIFilePicker.returnCancel; ++curFileIndex) {
michael@0:     var file = fileList[curFileIndex].QueryInterface(nsIFile);
michael@0: 
michael@0:     // try to normalize - if this fails we will ignore the error
michael@0:     // because we will notice the
michael@0:     // error later and show a fitting error alert.
michael@0:     try{
michael@0:       file.normalize();
michael@0:     } catch(e) {
michael@0:       //promptService.alert(window, "Problem", "normalize failed, continuing");
michael@0:     }
michael@0: 
michael@0:     var fileExists = file.exists();
michael@0: 
michael@0:     if (!fileExists && (filePickerMode == nsIFilePicker.modeOpen ||
michael@0:                         filePickerMode == nsIFilePicker.modeOpenMultiple)) {
michael@0:       showErrorDialog("errorOpenFileDoesntExistTitle",
michael@0:                       "errorOpenFileDoesntExistMessage",
michael@0:                       file);
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     if (!fileExists && filePickerMode == nsIFilePicker.modeGetFolder) {
michael@0:       showErrorDialog("errorDirDoesntExistTitle",
michael@0:                       "errorDirDoesntExistMessage",
michael@0:                       file);
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     if (fileExists) {
michael@0:       isDir = file.isDirectory();
michael@0:       isFile = file.isFile();
michael@0:     }
michael@0: 
michael@0:     switch(filePickerMode) {
michael@0:     case nsIFilePicker.modeOpen:
michael@0:     case nsIFilePicker.modeOpenMultiple:
michael@0:       if (isFile) {
michael@0:         if (file.isReadable()) {
michael@0:           retvals.directory = file.parent.path;
michael@0:         } else {
michael@0:           showErrorDialog("errorOpeningFileTitle",
michael@0:                           "openWithoutPermissionMessage_file",
michael@0:                           file);
michael@0:           ret = nsIFilePicker.returnCancel;
michael@0:         }
michael@0:       } else if (isDir) {
michael@0:         if (!sfile.equals(file)) {
michael@0:           gotoDirectory(file);
michael@0:         }
michael@0:         textInput.value = "";
michael@0:         doEnabling();
michael@0:         ret = nsIFilePicker.returnCancel;
michael@0:       }
michael@0:       break;
michael@0:     case nsIFilePicker.modeSave:
michael@0:       if (isFile) { // can only be true if file.exists()
michael@0:         if (!file.isWritable()) {
michael@0:           showErrorDialog("errorSavingFileTitle",
michael@0:                           "saveWithoutPermissionMessage_file",
michael@0:                           file);
michael@0:           ret = nsIFilePicker.returnCancel;
michael@0:         } else {
michael@0:           // we need to pop up a dialog asking if you want to save
michael@0:           var confirmTitle = gFilePickerBundle.getString("confirmTitle");
michael@0:           var message =
michael@0:             gFilePickerBundle.getFormattedString("confirmFileReplacing",
michael@0:                                                  [file.path]);
michael@0:           
michael@0:           promptService = Components.classes[NS_PROMPTSERVICE_CONTRACTID].getService(Components.interfaces.nsIPromptService);
michael@0:           var rv = promptService.confirm(window, confirmTitle, message);
michael@0:           if (rv) {
michael@0:             ret = nsIFilePicker.returnReplace;
michael@0:             retvals.directory = file.parent.path;
michael@0:           } else {
michael@0:             ret = nsIFilePicker.returnCancel;
michael@0:           }
michael@0:         }
michael@0:       } else if (isDir) {
michael@0:         if (!sfile.equals(file)) {
michael@0:           gotoDirectory(file);
michael@0:         }
michael@0:         textInput.value = "";
michael@0:         doEnabling();
michael@0:         ret = nsIFilePicker.returnCancel;
michael@0:       } else {
michael@0:         var parent = file.parent;
michael@0:         if (parent.exists() && parent.isDirectory() && parent.isWritable()) {
michael@0:           retvals.directory = parent.path;
michael@0:         } else {
michael@0:           var oldParent = parent;
michael@0:           while (!parent.exists()) {
michael@0:             oldParent = parent;
michael@0:             parent = parent.parent;
michael@0:           }
michael@0:           errorTitle =
michael@0:             gFilePickerBundle.getFormattedString("errorSavingFileTitle",
michael@0:                                                  [file.path]);
michael@0:           if (parent.isFile()) {
michael@0:             errorMessage =
michael@0:               gFilePickerBundle.getFormattedString("saveParentIsFileMessage",
michael@0:                                                    [parent.path, file.path]);
michael@0:           } else {
michael@0:             errorMessage =
michael@0:               gFilePickerBundle.getFormattedString("saveParentDoesntExistMessage",
michael@0:                                                    [oldParent.path, file.path]);
michael@0:           }
michael@0:           if (!parent.isWritable()) {
michael@0:             errorMessage =
michael@0:               gFilePickerBundle.getFormattedString("saveWithoutPermissionMessage_dir", [parent.path]);
michael@0:           }
michael@0:           promptService = Components.classes[NS_PROMPTSERVICE_CONTRACTID].getService(Components.interfaces.nsIPromptService);
michael@0:           promptService.alert(window, errorTitle, errorMessage);
michael@0:           ret = nsIFilePicker.returnCancel;
michael@0:         }
michael@0:       }
michael@0:       break;
michael@0:     case nsIFilePicker.modeGetFolder:
michael@0:       if (isDir) {
michael@0:         retvals.directory = file.parent.path;
michael@0:       } else { // if nothing selected, the current directory will be fine
michael@0:         retvals.directory = sfile.path;
michael@0:       }
michael@0:       break;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   gFilesEnumerator.mFiles = fileList;
michael@0: 
michael@0:   retvals.files = gFilesEnumerator;
michael@0:   retvals.buttonStatus = ret;
michael@0:   
michael@0:   return (ret != nsIFilePicker.returnCancel);
michael@0: }
michael@0: 
michael@0: var gFilesEnumerator = {
michael@0:   mFiles: null,
michael@0:   mIndex: 0,
michael@0: 
michael@0:   hasMoreElements: function()
michael@0:   {
michael@0:     return (this.mIndex < this.mFiles.length);
michael@0:   },
michael@0:   getNext: function()
michael@0:   {
michael@0:     if (this.mIndex >= this.mFiles.length)
michael@0:       throw Components.results.NS_ERROR_FAILURE;
michael@0:     return this.mFiles[this.mIndex++];
michael@0:   }
michael@0: };
michael@0: 
michael@0: function onCancel()
michael@0: {
michael@0:   // Close the window.
michael@0:   retvals.buttonStatus = nsIFilePicker.returnCancel;
michael@0:   retvals.file = null;
michael@0:   retvals.files = null;
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: function onDblClick(e) {
michael@0:   // we only care about button 0 (left click) events
michael@0:   if (e.button != 0) return;
michael@0: 
michael@0:   var t = e.originalTarget;
michael@0:   if (t.localName != "treechildren")
michael@0:     return;
michael@0: 
michael@0:   openSelectedFile();
michael@0: }
michael@0: 
michael@0: function openSelectedFile() {
michael@0:   var fileList = treeView.selectedFiles;
michael@0:   if (fileList.length == 0)
michael@0:     return;
michael@0: 
michael@0:   var file = fileList.queryElementAt(0, nsIFile);
michael@0:   if (file.isDirectory())
michael@0:     gotoDirectory(file);
michael@0:   else if (file.isFile())
michael@0:     document.documentElement.acceptDialog();
michael@0: }
michael@0: 
michael@0: function onClick(e) {
michael@0:   var t = e.originalTarget;
michael@0:   if (t.localName == "treecol")
michael@0:     handleColumnClick(t.id);
michael@0: }
michael@0: 
michael@0: function convertColumnIDtoSortType(columnID) {
michael@0:   var sortKey;
michael@0:   
michael@0:   switch (columnID) {
michael@0:   case "FilenameColumn":
michael@0:     sortKey = nsIFileView.sortName;
michael@0:     break;
michael@0:   case "FileSizeColumn":
michael@0:     sortKey = nsIFileView.sortSize;
michael@0:     break;
michael@0:   case "LastModifiedColumn":
michael@0:     sortKey = nsIFileView.sortDate;
michael@0:     break;
michael@0:   default:
michael@0:     dump("unsupported sort column: " + columnID + "\n");
michael@0:     sortKey = 0;
michael@0:     break;
michael@0:   }
michael@0:   
michael@0:   return sortKey;
michael@0: }
michael@0: 
michael@0: function handleColumnClick(columnID) {
michael@0:   var sortType = convertColumnIDtoSortType(columnID);
michael@0:   var sortOrder = (treeView.sortType == sortType) ? !treeView.reverseSort : false;
michael@0:   treeView.sort(sortType, sortOrder);
michael@0:   
michael@0:   // set the sort indicator on the column we are sorted by
michael@0:   var sortedColumn = document.getElementById(columnID);
michael@0:   if (treeView.reverseSort) {
michael@0:     sortedColumn.setAttribute("sortDirection", "descending");
michael@0:   } else {
michael@0:     sortedColumn.setAttribute("sortDirection", "ascending");
michael@0:   }
michael@0:   
michael@0:   // remove the sort indicator from the rest of the columns
michael@0:   var currCol = sortedColumn.parentNode.firstChild;
michael@0:   while (currCol) {
michael@0:     if (currCol != sortedColumn && currCol.localName == "treecol")
michael@0:       currCol.removeAttribute("sortDirection");
michael@0:     currCol = currCol.nextSibling;
michael@0:   }
michael@0: }
michael@0: 
michael@0: function onKeypress(e) {
michael@0:   if (e.keyCode == 8) /* backspace */
michael@0:     goUp();
michael@0: 
michael@0:   /* enter is handled by the ondialogaccept handler */
michael@0: }
michael@0: 
michael@0: function doEnabling() {
michael@0:   if (filePickerMode != nsIFilePicker.modeGetFolder)
michael@0:   // Maybe add check if textInput.value would resolve to an existing
michael@0:   // file or directory in .modeOpen. Too costly I think.
michael@0:     okButton.disabled = (textInput.value == "")
michael@0: }
michael@0: 
michael@0: function onTreeFocus(event) {
michael@0:   // Reset the button label and enabled/disabled state.
michael@0:   onFileSelected(treeView.selectedFiles);
michael@0: }
michael@0: 
michael@0: function setOKAction(file) {
michael@0:   var buttonLabel;
michael@0:   var buttonIcon = "open"; // used in all but one case
michael@0: 
michael@0:   if (file && file.isDirectory()) {
michael@0:     document.documentElement.setAttribute("ondialogaccept", "return openOnOK();");
michael@0:     buttonLabel = gFilePickerBundle.getString("openButtonLabel");
michael@0:   }
michael@0:   else {
michael@0:     document.documentElement.setAttribute("ondialogaccept", "return selectOnOK();");
michael@0:     switch(filePickerMode) {
michael@0:     case nsIFilePicker.modeGetFolder:
michael@0:       buttonLabel = gFilePickerBundle.getString("selectFolderButtonLabel");
michael@0:       break;
michael@0:     case nsIFilePicker.modeOpen:
michael@0:     case nsIFilePicker.modeOpenMultiple:
michael@0:       buttonLabel = gFilePickerBundle.getString("openButtonLabel");
michael@0:       break;
michael@0:     case nsIFilePicker.modeSave:
michael@0:       buttonLabel = gFilePickerBundle.getString("saveButtonLabel");
michael@0:       buttonIcon = "save";
michael@0:       break;
michael@0:     }
michael@0:   }
michael@0:   okButton.setAttribute("label", buttonLabel);
michael@0:   okButton.setAttribute("icon", buttonIcon);
michael@0: }
michael@0: 
michael@0: function onSelect(event) {
michael@0:   onFileSelected(treeView.selectedFiles);
michael@0: }
michael@0: 
michael@0: function onFileSelected(/* nsIArray */ selectedFileList) {
michael@0:   var validFileSelected = false;
michael@0:   var invalidSelection = false;
michael@0:   var file;
michael@0:   var fileCount = selectedFileList.length;
michael@0: 
michael@0:   for (var index = 0; index < fileCount; ++index) {
michael@0:     file = selectedFileList.queryElementAt(index, nsIFile);
michael@0:     if (file) {
michael@0:       var path = file.leafName;
michael@0: 
michael@0:       if (path) {
michael@0:         var isDir = file.isDirectory();
michael@0:         if ((filePickerMode == nsIFilePicker.modeGetFolder) || !isDir) {
michael@0:           if (!validFileSelected)
michael@0:             textInput.value = "";
michael@0:           addToTextFieldValue(path);
michael@0:         }
michael@0: 
michael@0:         if (isDir && fileCount > 1) {
michael@0:           // The user has selected multiple items, and one of them is
michael@0:           // a directory.  This is not a valid state, so we'll disable
michael@0:           // the ok button.
michael@0:           invalidSelection = true;
michael@0:         }
michael@0: 
michael@0:         validFileSelected = true;
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   if (validFileSelected) {
michael@0:     setOKAction(file);
michael@0:     okButton.disabled = invalidSelection;
michael@0:   } else if (filePickerMode != nsIFilePicker.modeGetFolder)
michael@0:     okButton.disabled = (textInput.value == "");
michael@0: }
michael@0: 
michael@0: function addToTextFieldValue(path)
michael@0: {
michael@0:   var newValue = "";
michael@0: 
michael@0:   if (textInput.value == "")
michael@0:     newValue = path.replace(/\"/g, "\\\"");
michael@0:   else {
michael@0:     // Quote the existing text if needed,
michael@0:     // then append the new filename (quoted and escaped)
michael@0:     if (textInput.value[0] != '"')
michael@0:       newValue = '"' + textInput.value.replace(/\"/g, "\\\"") + '"';
michael@0:     else
michael@0:       newValue = textInput.value;
michael@0: 
michael@0:     newValue = newValue + ' "' + path.replace(/\"/g, "\\\"") + '"';
michael@0:   }
michael@0: 
michael@0:   textInput.value = newValue;
michael@0: }
michael@0: 
michael@0: function onTextFieldFocus() {
michael@0:   setOKAction(null);
michael@0:   doEnabling();
michael@0: }
michael@0: 
michael@0: function onDirectoryChanged(target)
michael@0: {
michael@0:   var path = target.getAttribute("label");
michael@0: 
michael@0:   var file = Components.classes[NS_LOCAL_FILE_CONTRACTID].createInstance(nsILocalFile);
michael@0:   file.initWithPath(path);
michael@0: 
michael@0:   if (!sfile.equals(file)) {
michael@0:     // Do this on a timeout callback so the directory list can roll up
michael@0:     // and we don't keep the mouse grabbed while we are loading.
michael@0: 
michael@0:     setTimeout(gotoDirectory, 0, file);
michael@0:   }
michael@0: }
michael@0: 
michael@0: function populateAncestorList(directory) {
michael@0:   var menu = document.getElementById("lookInMenu");
michael@0: 
michael@0:   while (menu.hasChildNodes()) {
michael@0:     menu.removeChild(menu.firstChild);
michael@0:   }
michael@0:   
michael@0:   var menuItem = document.createElement("menuitem");
michael@0:   menuItem.setAttribute("label", directory.path);
michael@0:   menuItem.setAttribute("crop", "start");
michael@0:   menu.appendChild(menuItem);
michael@0: 
michael@0:   // .parent is _sometimes_ null, see bug 121489.  Do a dance around that.
michael@0:   var parent = directory.parent;
michael@0:   while (parent && !parent.equals(directory)) {
michael@0:     menuItem = document.createElement("menuitem");
michael@0:     menuItem.setAttribute("label", parent.path);
michael@0:     menuItem.setAttribute("crop", "start");
michael@0:     menu.appendChild(menuItem);
michael@0:     directory = parent;
michael@0:     parent = directory.parent;
michael@0:   }
michael@0:   
michael@0:   var menuList = document.getElementById("lookInMenuList");
michael@0:   menuList.selectedIndex = 0;
michael@0: }
michael@0: 
michael@0: function goUp() {
michael@0:   try {
michael@0:     var parent = sfile.parent;
michael@0:   } catch(ex) { dump("can't get parent directory\n"); }
michael@0: 
michael@0:   if (parent) {
michael@0:     gotoDirectory(parent);
michael@0:   }
michael@0: }
michael@0: 
michael@0: function goHome() {
michael@0:   gotoDirectory(homeDir);
michael@0: }
michael@0: 
michael@0: function newDir() {
michael@0:   var file;
michael@0:   var promptService =
michael@0:     Components.classes[NS_PROMPTSERVICE_CONTRACTID].getService(Components.interfaces.nsIPromptService);
michael@0:   var dialogTitle =
michael@0:     gFilePickerBundle.getString("promptNewDirTitle");
michael@0:   var dialogMsg =
michael@0:     gFilePickerBundle.getString("promptNewDirMessage");
michael@0:   var ret = promptService.prompt(window, dialogTitle, dialogMsg, gNewDirName, null, {value:0});
michael@0: 
michael@0:   if (ret) {
michael@0:     file = processPath(gNewDirName.value);
michael@0:     if (!file) {
michael@0:       showErrorDialog("errorCreateNewDirTitle",
michael@0:                       "errorCreateNewDirMessage",
michael@0:                       file);
michael@0:       return false;
michael@0:     }
michael@0:     
michael@0:     file = file[0].QueryInterface(nsIFile);
michael@0:     if (file.exists()) {
michael@0:       showErrorDialog("errorNewDirDoesExistTitle",
michael@0:                       "errorNewDirDoesExistMessage",
michael@0:                       file);
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     var parent = file.parent;
michael@0:     if (!(parent.exists() && parent.isDirectory() && parent.isWritable())) {
michael@0:       var oldParent = parent;
michael@0:       while (!parent.exists()) {
michael@0:         oldParent = parent;
michael@0:         parent = parent.parent;
michael@0:       }
michael@0:       if (parent.isFile()) {
michael@0:         showErrorDialog("errorCreateNewDirTitle",
michael@0:                         "errorCreateNewDirIsFileMessage",
michael@0:                         parent);
michael@0:         return false;
michael@0:       }
michael@0:       if (!parent.isWritable()) {
michael@0:         showErrorDialog("errorCreateNewDirTitle",
michael@0:                         "errorCreateNewDirPermissionMessage",
michael@0:                         parent);
michael@0:         return false;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     try {
michael@0:       file.create(nsIFile.DIRECTORY_TYPE, 0755); 
michael@0:     } catch (e) {
michael@0:       showErrorDialog("errorCreateNewDirTitle",
michael@0:                       "errorCreateNewDirMessage",
michael@0:                       file);
michael@0:       return false;
michael@0:     }
michael@0:     file.normalize(); // ... in case ".." was used in the path
michael@0:     gotoDirectory(file);
michael@0:     // we remember and reshow a dirname if something goes wrong
michael@0:     // so that errors can be corrected more easily. If all went well,
michael@0:     // reset the default value to blank
michael@0:     gNewDirName = { value: "" }; 
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: function gotoDirectory(directory) {
michael@0:   window.setCursor("wait");
michael@0:   try {
michael@0:     populateAncestorList(directory);
michael@0:     treeView.setDirectory(directory);
michael@0:     document.getElementById("errorShower").selectedIndex = 0;
michael@0:   } catch(ex) {
michael@0:     document.getElementById("errorShower").selectedIndex = 1;
michael@0:   }
michael@0: 
michael@0:   window.setCursor("auto");
michael@0: 
michael@0:   if (filePickerMode == nsIFilePicker.modeGetFolder) {
michael@0:     textInput.value = "";
michael@0:   }
michael@0:   textInput.focus();
michael@0:   textInput.setAttribute("autocompletesearchparam", directory.path);
michael@0:   sfile = directory;
michael@0: }
michael@0: 
michael@0: function toggleShowHidden(event) {
michael@0:   treeView.showHiddenFiles = !treeView.showHiddenFiles;
michael@0: }
michael@0: 
michael@0: // from the current directory and whatever was entered
michael@0: // in the entry field, try to make a new path. This
michael@0: // uses "/" as the directory separator, "~" as a shortcut
michael@0: // for the home directory (but only when seen at the start
michael@0: // of a path), and ".." to denote the parent directory.
michael@0: // returns an array of the files listed,
michael@0: // or false if an error occurred.
michael@0: function processPath(path)
michael@0: {
michael@0:   var fileArray = new Array();
michael@0:   var strLength = path.length;
michael@0: 
michael@0:   if (path[0] == '"' && filePickerMode == nsIFilePicker.modeOpenMultiple &&
michael@0:       strLength > 1) {
michael@0:     // we have a quoted list of filenames, separated by spaces.
michael@0:     // iterate the list and process each file.
michael@0: 
michael@0:     var curFileStart = 1;
michael@0: 
michael@0:     while (1) {
michael@0:       var nextQuote;
michael@0: 
michael@0:       // Look for an unescaped quote
michael@0:       var quoteSearchStart = curFileStart + 1;
michael@0:       do {
michael@0:         nextQuote = path.indexOf('"', quoteSearchStart);
michael@0:         quoteSearchStart = nextQuote + 1;
michael@0:       } while (nextQuote != -1 && path[nextQuote - 1] == '\\');
michael@0:       
michael@0:       if (nextQuote == -1) {
michael@0:         // we have a filename with no trailing quote.
michael@0:         // just assume that the filename ends at the end of the string.
michael@0: 
michael@0:         if (!processPathEntry(path.substring(curFileStart), fileArray))
michael@0:           return false;
michael@0:         break;
michael@0:       }
michael@0: 
michael@0:       if (!processPathEntry(path.substring(curFileStart, nextQuote), fileArray))
michael@0:         return false;
michael@0: 
michael@0:       curFileStart = path.indexOf('"', nextQuote + 1);
michael@0:       if (curFileStart == -1) {
michael@0:         // no more quotes, but if we're not at the end of the string,
michael@0:         // go ahead and process the remaining text.
michael@0: 
michael@0:         if (nextQuote < strLength - 1)
michael@0:           if (!processPathEntry(path.substring(nextQuote + 1), fileArray))
michael@0:             return false;
michael@0:         break;
michael@0:       }
michael@0:       ++curFileStart;
michael@0:     }
michael@0:   } else {
michael@0:     // If we didn't start with a quote, assume we just have a single file.
michael@0:     if (!processPathEntry(path, fileArray))
michael@0:       return false;
michael@0:   }
michael@0: 
michael@0:   return fileArray;
michael@0: }
michael@0: 
michael@0: function processPathEntry(path, fileArray)
michael@0: {
michael@0:   var filePath;
michael@0:   var file;
michael@0: 
michael@0:   try {
michael@0:     file = sfile.clone().QueryInterface(nsILocalFile);
michael@0:   } catch(e) {
michael@0:     dump("Couldn't clone\n"+e);
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   var tilde_file = file.clone();
michael@0:   tilde_file.append("~");
michael@0:   if (path[0] == '~' &&                        // Expand ~ to $HOME, except:
michael@0:       !(path == "~" && tilde_file.exists()) && // If ~ was entered and such a file exists, don't expand
michael@0:       (path.length == 1 || path[1] == "/"))    // We don't want to expand ~file to ${HOME}file
michael@0:     filePath = homeDir.path + path.substring(1);
michael@0:   else
michael@0:     filePath = path;
michael@0: 
michael@0:   // Unescape quotes
michael@0:   filePath = filePath.replace(/\\\"/g, "\"");
michael@0:   
michael@0:   if (filePath[0] == '/')   /* an absolute path was entered */
michael@0:     file.initWithPath(filePath);
michael@0:   else if ((filePath.indexOf("/../") > 0) ||
michael@0:            (filePath.substr(-3) == "/..") ||
michael@0:            (filePath.substr(0,3) == "../") ||
michael@0:            (filePath == "..")) {
michael@0:     /* appendRelativePath doesn't allow .. */
michael@0:     try{
michael@0:       file.initWithPath(file.path + "/" + filePath);
michael@0:     } catch (e) {
michael@0:       dump("Couldn't init path\n"+e);
michael@0:       return false;
michael@0:     }
michael@0:   }
michael@0:   else {
michael@0:     try {
michael@0:       file.appendRelativePath(filePath);
michael@0:     } catch (e) {
michael@0:       dump("Couldn't append path\n"+e);
michael@0:       return false;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   fileArray[fileArray.length] = file;
michael@0:   return true;
michael@0: }