1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/components/viewconfig/content/config.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,637 @@
1.4 +// -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 +
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +Components.utils.import("resource://gre/modules/Services.jsm");
1.11 +
1.12 +const nsIPrefLocalizedString = Components.interfaces.nsIPrefLocalizedString;
1.13 +const nsISupportsString = Components.interfaces.nsISupportsString;
1.14 +const nsIPrefBranch = Components.interfaces.nsIPrefBranch;
1.15 +const nsIClipboardHelper = Components.interfaces.nsIClipboardHelper;
1.16 +const nsIAtomService = Components.interfaces.nsIAtomService;
1.17 +
1.18 +const nsSupportsString_CONTRACTID = "@mozilla.org/supports-string;1";
1.19 +const nsPrompt_CONTRACTID = "@mozilla.org/embedcomp/prompt-service;1";
1.20 +const nsPrefService_CONTRACTID = "@mozilla.org/preferences-service;1";
1.21 +const nsClipboardHelper_CONTRACTID = "@mozilla.org/widget/clipboardhelper;1";
1.22 +const nsAtomService_CONTRACTID = "@mozilla.org/atom-service;1";
1.23 +
1.24 +const gPrefBranch = Services.prefs;
1.25 +const gClipboardHelper = Components.classes[nsClipboardHelper_CONTRACTID].getService(nsIClipboardHelper);
1.26 +const gAtomService = Components.classes[nsAtomService_CONTRACTID].getService(nsIAtomService);
1.27 +
1.28 +var gLockProps = ["default", "user", "locked"];
1.29 +// we get these from a string bundle
1.30 +var gLockStrs = [];
1.31 +var gTypeStrs = [];
1.32 +
1.33 +const PREF_IS_DEFAULT_VALUE = 0;
1.34 +const PREF_IS_USER_SET = 1;
1.35 +const PREF_IS_LOCKED = 2;
1.36 +
1.37 +var gPrefHash = {};
1.38 +var gPrefArray = [];
1.39 +var gPrefView = gPrefArray; // share the JS array
1.40 +var gSortedColumn = "prefCol";
1.41 +var gSortFunction = null;
1.42 +var gSortDirection = 1; // 1 is ascending; -1 is descending
1.43 +var gConfigBundle = null;
1.44 +var gFilter = null;
1.45 +
1.46 +var view = {
1.47 + get rowCount() { return gPrefView.length; },
1.48 + getCellText : function(index, col) {
1.49 + if (!(index in gPrefView))
1.50 + return "";
1.51 +
1.52 + var value = gPrefView[index][col.id];
1.53 +
1.54 + switch (col.id) {
1.55 + case "lockCol":
1.56 + return gLockStrs[value];
1.57 + case "typeCol":
1.58 + return gTypeStrs[value];
1.59 + default:
1.60 + return value;
1.61 + }
1.62 + },
1.63 + getRowProperties : function(index) { return ""; },
1.64 + getCellProperties : function(index, col) {
1.65 + if (index in gPrefView)
1.66 + return gLockProps[gPrefView[index].lockCol];
1.67 +
1.68 + return "";
1.69 + },
1.70 + getColumnProperties : function(col) { return ""; },
1.71 + treebox : null,
1.72 + selection : null,
1.73 + isContainer : function(index) { return false; },
1.74 + isContainerOpen : function(index) { return false; },
1.75 + isContainerEmpty : function(index) { return false; },
1.76 + isSorted : function() { return true; },
1.77 + canDrop : function(index, orientation) { return false; },
1.78 + drop : function(row, orientation) {},
1.79 + setTree : function(out) { this.treebox = out; },
1.80 + getParentIndex: function(rowIndex) { return -1; },
1.81 + hasNextSibling: function(rowIndex, afterIndex) { return false; },
1.82 + getLevel: function(index) { return 1; },
1.83 + getImageSrc: function(row, col) { return ""; },
1.84 + toggleOpenState : function(index) {},
1.85 + cycleHeader: function(col) {
1.86 + var index = this.selection.currentIndex;
1.87 + if (col.id == gSortedColumn) {
1.88 + gSortDirection = -gSortDirection;
1.89 + gPrefArray.reverse();
1.90 + if (gPrefView != gPrefArray)
1.91 + gPrefView.reverse();
1.92 + if (index >= 0)
1.93 + index = gPrefView.length - index - 1;
1.94 + }
1.95 + else {
1.96 + var pref = null;
1.97 + if (index >= 0)
1.98 + pref = gPrefView[index];
1.99 +
1.100 + var old = document.getElementById(gSortedColumn);
1.101 + old.setAttribute("sortDirection", "");
1.102 + gPrefArray.sort(gSortFunction = gSortFunctions[col.id]);
1.103 + if (gPrefView != gPrefArray)
1.104 + gPrefView.sort(gSortFunction);
1.105 + gSortedColumn = col.id;
1.106 + if (pref)
1.107 + index = getViewIndexOfPref(pref);
1.108 + }
1.109 + col.element.setAttribute("sortDirection", gSortDirection > 0 ? "ascending" : "descending");
1.110 + this.treebox.invalidate();
1.111 + if (index >= 0) {
1.112 + this.selection.select(index);
1.113 + this.treebox.ensureRowIsVisible(index);
1.114 + }
1.115 + },
1.116 + selectionChanged : function() {},
1.117 + cycleCell: function(row, col) {},
1.118 + isEditable: function(row, col) {return false; },
1.119 + isSelectable: function(row, col) {return false; },
1.120 + setCellValue: function(row, col, value) {},
1.121 + setCellText: function(row, col, value) {},
1.122 + performAction: function(action) {},
1.123 + performActionOnRow: function(action, row) {},
1.124 + performActionOnCell: function(action, row, col) {},
1.125 + isSeparator: function(index) {return false; }
1.126 +};
1.127 +
1.128 +// find the index in gPrefView of a pref object
1.129 +// or -1 if it does not exist in the filtered view
1.130 +function getViewIndexOfPref(pref)
1.131 +{
1.132 + var low = -1, high = gPrefView.length;
1.133 + var index = (low + high) >> 1;
1.134 + while (index > low) {
1.135 + var mid = gPrefView[index];
1.136 + if (mid == pref)
1.137 + return index;
1.138 + if (gSortFunction(mid, pref) < 0)
1.139 + low = index;
1.140 + else
1.141 + high = index;
1.142 + index = (low + high) >> 1;
1.143 + }
1.144 + return -1;
1.145 +}
1.146 +
1.147 +// find the index in gPrefView where a pref object belongs
1.148 +function getNearestViewIndexOfPref(pref)
1.149 +{
1.150 + var low = -1, high = gPrefView.length;
1.151 + var index = (low + high) >> 1;
1.152 + while (index > low) {
1.153 + if (gSortFunction(gPrefView[index], pref) < 0)
1.154 + low = index;
1.155 + else
1.156 + high = index;
1.157 + index = (low + high) >> 1;
1.158 + }
1.159 + return high;
1.160 +}
1.161 +
1.162 +// find the index in gPrefArray of a pref object
1.163 +function getIndexOfPref(pref)
1.164 +{
1.165 + var low = -1, high = gPrefArray.length;
1.166 + var index = (low + high) >> 1;
1.167 + while (index > low) {
1.168 + var mid = gPrefArray[index];
1.169 + if (mid == pref)
1.170 + return index;
1.171 + if (gSortFunction(mid, pref) < 0)
1.172 + low = index;
1.173 + else
1.174 + high = index;
1.175 + index = (low + high) >> 1;
1.176 + }
1.177 + return index;
1.178 +}
1.179 +
1.180 +function getNearestIndexOfPref(pref)
1.181 +{
1.182 + var low = -1, high = gPrefArray.length;
1.183 + var index = (low + high) >> 1;
1.184 + while (index > low) {
1.185 + if (gSortFunction(gPrefArray[index], pref) < 0)
1.186 + low = index;
1.187 + else
1.188 + high = index;
1.189 + index = (low + high) >> 1;
1.190 + }
1.191 + return high;
1.192 +}
1.193 +
1.194 +var gPrefListener =
1.195 +{
1.196 + observe: function(subject, topic, prefName)
1.197 + {
1.198 + if (topic != "nsPref:changed")
1.199 + return;
1.200 +
1.201 + var arrayIndex = gPrefArray.length;
1.202 + var viewIndex = arrayIndex;
1.203 + var selectedIndex = view.selection.currentIndex;
1.204 + var pref;
1.205 + var updateView = false;
1.206 + var updateArray = false;
1.207 + var addedRow = false;
1.208 + if (prefName in gPrefHash) {
1.209 + pref = gPrefHash[prefName];
1.210 + viewIndex = getViewIndexOfPref(pref);
1.211 + arrayIndex = getIndexOfPref(pref);
1.212 + fetchPref(prefName, arrayIndex);
1.213 + // fetchPref replaces the existing pref object
1.214 + pref = gPrefHash[prefName];
1.215 + if (viewIndex >= 0) {
1.216 + // Might need to update the filtered view
1.217 + gPrefView[viewIndex] = gPrefHash[prefName];
1.218 + view.treebox.invalidateRow(viewIndex);
1.219 + }
1.220 + if (gSortedColumn == "lockCol" || gSortedColumn == "valueCol") {
1.221 + updateArray = true;
1.222 + gPrefArray.splice(arrayIndex, 1);
1.223 + if (gFilter && gFilter.test(pref.prefCol + ";" + pref.valueCol)) {
1.224 + updateView = true;
1.225 + gPrefView.splice(viewIndex, 1);
1.226 + }
1.227 + }
1.228 + }
1.229 + else {
1.230 + fetchPref(prefName, arrayIndex);
1.231 + pref = gPrefArray.pop();
1.232 + updateArray = true;
1.233 + addedRow = true;
1.234 + if (gFilter && gFilter.test(pref.prefCol + ";" + pref.valueCol)) {
1.235 + updateView = true;
1.236 + }
1.237 + }
1.238 + if (updateArray) {
1.239 + // Reinsert in the data array
1.240 + var newIndex = getNearestIndexOfPref(pref);
1.241 + gPrefArray.splice(newIndex, 0, pref);
1.242 +
1.243 + if (updateView) {
1.244 + // View is filtered, reinsert in the view separately
1.245 + newIndex = getNearestViewIndexOfPref(pref);
1.246 + gPrefView.splice(newIndex, 0, pref);
1.247 + }
1.248 + else if (gFilter) {
1.249 + // View is filtered, but nothing to update
1.250 + return;
1.251 + }
1.252 +
1.253 + if (addedRow)
1.254 + view.treebox.rowCountChanged(newIndex, 1);
1.255 +
1.256 + // Invalidate the changed range in the view
1.257 + var low = Math.min(viewIndex, newIndex);
1.258 + var high = Math.max(viewIndex, newIndex);
1.259 + view.treebox.invalidateRange(low, high);
1.260 +
1.261 + if (selectedIndex == viewIndex) {
1.262 + selectedIndex = newIndex;
1.263 + }
1.264 + else if (selectedIndex >= low && selectedIndex <= high) {
1.265 + selectedIndex += (newIndex > viewIndex) ? -1 : 1;
1.266 + }
1.267 + if (selectedIndex >= 0) {
1.268 + view.selection.select(selectedIndex);
1.269 + if (selectedIndex == newIndex)
1.270 + view.treebox.ensureRowIsVisible(selectedIndex);
1.271 + }
1.272 + }
1.273 + }
1.274 +};
1.275 +
1.276 +function prefObject(prefName, prefIndex)
1.277 +{
1.278 + this.prefCol = prefName;
1.279 +}
1.280 +
1.281 +prefObject.prototype =
1.282 +{
1.283 + lockCol: PREF_IS_DEFAULT_VALUE,
1.284 + typeCol: nsIPrefBranch.PREF_STRING,
1.285 + valueCol: ""
1.286 +};
1.287 +
1.288 +function fetchPref(prefName, prefIndex)
1.289 +{
1.290 + var pref = new prefObject(prefName);
1.291 +
1.292 + gPrefHash[prefName] = pref;
1.293 + gPrefArray[prefIndex] = pref;
1.294 +
1.295 + if (gPrefBranch.prefIsLocked(prefName))
1.296 + pref.lockCol = PREF_IS_LOCKED;
1.297 + else if (gPrefBranch.prefHasUserValue(prefName))
1.298 + pref.lockCol = PREF_IS_USER_SET;
1.299 +
1.300 + try {
1.301 + switch (gPrefBranch.getPrefType(prefName)) {
1.302 + case gPrefBranch.PREF_BOOL:
1.303 + pref.typeCol = gPrefBranch.PREF_BOOL;
1.304 + // convert to a string
1.305 + pref.valueCol = gPrefBranch.getBoolPref(prefName).toString();
1.306 + break;
1.307 + case gPrefBranch.PREF_INT:
1.308 + pref.typeCol = gPrefBranch.PREF_INT;
1.309 + // convert to a string
1.310 + pref.valueCol = gPrefBranch.getIntPref(prefName).toString();
1.311 + break;
1.312 + default:
1.313 + case gPrefBranch.PREF_STRING:
1.314 + pref.valueCol = gPrefBranch.getComplexValue(prefName, nsISupportsString).data;
1.315 + // Try in case it's a localized string (will throw an exception if not)
1.316 + if (pref.lockCol == PREF_IS_DEFAULT_VALUE &&
1.317 + /^chrome:\/\/.+\/locale\/.+\.properties/.test(pref.valueCol))
1.318 + pref.valueCol = gPrefBranch.getComplexValue(prefName, nsIPrefLocalizedString).data;
1.319 + break;
1.320 + }
1.321 + } catch (e) {
1.322 + // Also catch obscure cases in which you can't tell in advance
1.323 + // that the pref exists but has no user or default value...
1.324 + }
1.325 +}
1.326 +
1.327 +function onConfigLoad()
1.328 +{
1.329 + // Load strings
1.330 + gConfigBundle = document.getElementById("configBundle");
1.331 +
1.332 + gLockStrs[PREF_IS_DEFAULT_VALUE] = gConfigBundle.getString("default");
1.333 + gLockStrs[PREF_IS_USER_SET] = gConfigBundle.getString("user");
1.334 + gLockStrs[PREF_IS_LOCKED] = gConfigBundle.getString("locked");
1.335 +
1.336 + gTypeStrs[nsIPrefBranch.PREF_STRING] = gConfigBundle.getString("string");
1.337 + gTypeStrs[nsIPrefBranch.PREF_INT] = gConfigBundle.getString("int");
1.338 + gTypeStrs[nsIPrefBranch.PREF_BOOL] = gConfigBundle.getString("bool");
1.339 +
1.340 + var showWarning = gPrefBranch.getBoolPref("general.warnOnAboutConfig");
1.341 +
1.342 + if (showWarning)
1.343 + document.getElementById("warningButton").focus();
1.344 + else
1.345 + ShowPrefs();
1.346 +}
1.347 +
1.348 +// Unhide the warning message
1.349 +function ShowPrefs()
1.350 +{
1.351 + gPrefBranch.getChildList("").forEach(fetchPref);
1.352 +
1.353 + var descending = document.getElementsByAttribute("sortDirection", "descending");
1.354 + if (descending.item(0)) {
1.355 + gSortedColumn = descending[0].id;
1.356 + gSortDirection = -1;
1.357 + }
1.358 + else {
1.359 + var ascending = document.getElementsByAttribute("sortDirection", "ascending");
1.360 + if (ascending.item(0))
1.361 + gSortedColumn = ascending[0].id;
1.362 + else
1.363 + document.getElementById(gSortedColumn).setAttribute("sortDirection", "ascending");
1.364 + }
1.365 + gSortFunction = gSortFunctions[gSortedColumn];
1.366 + gPrefArray.sort(gSortFunction);
1.367 +
1.368 + gPrefBranch.addObserver("", gPrefListener, false);
1.369 +
1.370 + var configTree = document.getElementById("configTree");
1.371 + configTree.view = view;
1.372 + configTree.controllers.insertControllerAt(0, configController);
1.373 +
1.374 + document.getElementById("configDeck").setAttribute("selectedIndex", 1);
1.375 + document.getElementById("configTreeKeyset").removeAttribute("disabled");
1.376 + if (!document.getElementById("showWarningNextTime").checked)
1.377 + gPrefBranch.setBoolPref("general.warnOnAboutConfig", false);
1.378 +
1.379 + // Process about:config?filter=<string>
1.380 + var textbox = document.getElementById("textbox");
1.381 + // About URIs don't support query params, so do this manually
1.382 + var loc = document.location.href;
1.383 + var matches = /[?&]filter\=([^&]+)/i.exec(loc);
1.384 + if (matches)
1.385 + textbox.value = decodeURIComponent(matches[1]);
1.386 +
1.387 + // Even if we did not set the filter string via the URL query,
1.388 + // textbox might have been set via some other mechanism
1.389 + if (textbox.value)
1.390 + FilterPrefs();
1.391 + textbox.focus();
1.392 +}
1.393 +
1.394 +function onConfigUnload()
1.395 +{
1.396 + if (document.getElementById("configDeck").getAttribute("selectedIndex") == 1) {
1.397 + gPrefBranch.removeObserver("", gPrefListener);
1.398 + var configTree = document.getElementById("configTree");
1.399 + configTree.view = null;
1.400 + configTree.controllers.removeController(configController);
1.401 + }
1.402 +}
1.403 +
1.404 +function FilterPrefs()
1.405 +{
1.406 + if (document.getElementById("configDeck").getAttribute("selectedIndex") != 1) {
1.407 + return;
1.408 + }
1.409 +
1.410 + var substring = document.getElementById("textbox").value;
1.411 + // Check for "/regex/[i]"
1.412 + if (substring.charAt(0) == '/') {
1.413 + var r = substring.match(/^\/(.*)\/(i?)$/);
1.414 + try {
1.415 + gFilter = RegExp(r[1], r[2]);
1.416 + }
1.417 + catch (e) {
1.418 + return; // Do nothing on incomplete or bad RegExp
1.419 + }
1.420 + }
1.421 + else if (substring) {
1.422 + gFilter = RegExp(substring.replace(/([^* \w])/g, "\\$1")
1.423 + .replace(/^\*+/, "").replace(/\*+/g, ".*"), "i");
1.424 + } else {
1.425 + gFilter = null;
1.426 + }
1.427 +
1.428 + var prefCol = (view.selection && view.selection.currentIndex < 0) ?
1.429 + null : gPrefView[view.selection.currentIndex].prefCol;
1.430 + var oldlen = gPrefView.length;
1.431 + gPrefView = gPrefArray;
1.432 + if (gFilter) {
1.433 + gPrefView = [];
1.434 + for (var i = 0; i < gPrefArray.length; ++i)
1.435 + if (gFilter.test(gPrefArray[i].prefCol + ";" + gPrefArray[i].valueCol))
1.436 + gPrefView.push(gPrefArray[i]);
1.437 + }
1.438 + view.treebox.invalidate();
1.439 + view.treebox.rowCountChanged(oldlen, gPrefView.length - oldlen);
1.440 + gotoPref(prefCol);
1.441 +}
1.442 +
1.443 +function prefColSortFunction(x, y)
1.444 +{
1.445 + if (x.prefCol > y.prefCol)
1.446 + return gSortDirection;
1.447 + if (x.prefCol < y.prefCol)
1.448 + return -gSortDirection;
1.449 + return 0;
1.450 +}
1.451 +
1.452 +function lockColSortFunction(x, y)
1.453 +{
1.454 + if (x.lockCol != y.lockCol)
1.455 + return gSortDirection * (y.lockCol - x.lockCol);
1.456 + return prefColSortFunction(x, y);
1.457 +}
1.458 +
1.459 +function typeColSortFunction(x, y)
1.460 +{
1.461 + if (x.typeCol != y.typeCol)
1.462 + return gSortDirection * (y.typeCol - x.typeCol);
1.463 + return prefColSortFunction(x, y);
1.464 +}
1.465 +
1.466 +function valueColSortFunction(x, y)
1.467 +{
1.468 + if (x.valueCol > y.valueCol)
1.469 + return gSortDirection;
1.470 + if (x.valueCol < y.valueCol)
1.471 + return -gSortDirection;
1.472 + return prefColSortFunction(x, y);
1.473 +}
1.474 +
1.475 +const gSortFunctions =
1.476 +{
1.477 + prefCol: prefColSortFunction,
1.478 + lockCol: lockColSortFunction,
1.479 + typeCol: typeColSortFunction,
1.480 + valueCol: valueColSortFunction
1.481 +};
1.482 +
1.483 +const configController = {
1.484 + supportsCommand: function supportsCommand(command) {
1.485 + return command == "cmd_copy";
1.486 + },
1.487 + isCommandEnabled: function isCommandEnabled(command) {
1.488 + return view.selection && view.selection.currentIndex >= 0;
1.489 + },
1.490 + doCommand: function doCommand(command) {
1.491 + copyPref();
1.492 + },
1.493 + onEvent: function onEvent(event) {
1.494 + }
1.495 +}
1.496 +
1.497 +function updateContextMenu()
1.498 +{
1.499 + var lockCol = PREF_IS_LOCKED;
1.500 + var typeCol = nsIPrefBranch.PREF_STRING;
1.501 + var valueCol = "";
1.502 + var copyDisabled = true;
1.503 + var prefSelected = view.selection.currentIndex >= 0;
1.504 +
1.505 + if (prefSelected) {
1.506 + var prefRow = gPrefView[view.selection.currentIndex];
1.507 + lockCol = prefRow.lockCol;
1.508 + typeCol = prefRow.typeCol;
1.509 + valueCol = prefRow.valueCol;
1.510 + copyDisabled = false;
1.511 + }
1.512 +
1.513 + var copyPref = document.getElementById("copyPref");
1.514 + copyPref.setAttribute("disabled", copyDisabled);
1.515 +
1.516 + var copyName = document.getElementById("copyName");
1.517 + copyName.setAttribute("disabled", copyDisabled);
1.518 +
1.519 + var copyValue = document.getElementById("copyValue");
1.520 + copyValue.setAttribute("disabled", copyDisabled);
1.521 +
1.522 + var resetSelected = document.getElementById("resetSelected");
1.523 + resetSelected.setAttribute("disabled", lockCol != PREF_IS_USER_SET);
1.524 +
1.525 + var canToggle = typeCol == nsIPrefBranch.PREF_BOOL && valueCol != "";
1.526 + // indicates that a pref is locked or no pref is selected at all
1.527 + var isLocked = lockCol == PREF_IS_LOCKED;
1.528 +
1.529 + var modifySelected = document.getElementById("modifySelected");
1.530 + modifySelected.setAttribute("disabled", isLocked);
1.531 + modifySelected.hidden = canToggle;
1.532 +
1.533 + var toggleSelected = document.getElementById("toggleSelected");
1.534 + toggleSelected.setAttribute("disabled", isLocked);
1.535 + toggleSelected.hidden = !canToggle;
1.536 +}
1.537 +
1.538 +function copyPref()
1.539 +{
1.540 + var pref = gPrefView[view.selection.currentIndex];
1.541 + gClipboardHelper.copyString(pref.prefCol + ';' + pref.valueCol, document);
1.542 +}
1.543 +
1.544 +function copyName()
1.545 +{
1.546 + gClipboardHelper.copyString(gPrefView[view.selection.currentIndex].prefCol, document);
1.547 +}
1.548 +
1.549 +function copyValue()
1.550 +{
1.551 + gClipboardHelper.copyString(gPrefView[view.selection.currentIndex].valueCol, document);
1.552 +}
1.553 +
1.554 +function ModifySelected()
1.555 +{
1.556 + if (view.selection.currentIndex >= 0)
1.557 + ModifyPref(gPrefView[view.selection.currentIndex]);
1.558 +}
1.559 +
1.560 +function ResetSelected()
1.561 +{
1.562 + var entry = gPrefView[view.selection.currentIndex];
1.563 + gPrefBranch.clearUserPref(entry.prefCol);
1.564 +}
1.565 +
1.566 +function NewPref(type)
1.567 +{
1.568 + var result = { value: "" };
1.569 + var dummy = { value: 0 };
1.570 + if (Services.prompt.prompt(window,
1.571 + gConfigBundle.getFormattedString("new_title",
1.572 + [gTypeStrs[type]]),
1.573 + gConfigBundle.getString("new_prompt"),
1.574 + result,
1.575 + null,
1.576 + dummy)) {
1.577 + result.value = result.value.trim();
1.578 + if (!result.value) {
1.579 + return;
1.580 + }
1.581 +
1.582 + var pref;
1.583 + if (result.value in gPrefHash)
1.584 + pref = gPrefHash[result.value];
1.585 + else
1.586 + pref = { prefCol: result.value, lockCol: PREF_IS_DEFAULT_VALUE, typeCol: type, valueCol: "" };
1.587 + if (ModifyPref(pref))
1.588 + setTimeout(gotoPref, 0, result.value);
1.589 + }
1.590 +}
1.591 +
1.592 +function gotoPref(pref)
1.593 +{
1.594 + // make sure the pref exists and is displayed in the current view
1.595 + var index = pref in gPrefHash ? getViewIndexOfPref(gPrefHash[pref]) : -1;
1.596 + if (index >= 0) {
1.597 + view.selection.select(index);
1.598 + view.treebox.ensureRowIsVisible(index);
1.599 + } else {
1.600 + view.selection.clearSelection();
1.601 + view.selection.currentIndex = -1;
1.602 + }
1.603 +}
1.604 +
1.605 +function ModifyPref(entry)
1.606 +{
1.607 + if (entry.lockCol == PREF_IS_LOCKED)
1.608 + return false;
1.609 + var title = gConfigBundle.getFormattedString("modify_title", [gTypeStrs[entry.typeCol]]);
1.610 + if (entry.typeCol == nsIPrefBranch.PREF_BOOL) {
1.611 + var check = { value: entry.valueCol == "false" };
1.612 + if (!entry.valueCol && !Services.prompt.select(window, title, entry.prefCol, 2, [false, true], check))
1.613 + return false;
1.614 + gPrefBranch.setBoolPref(entry.prefCol, check.value);
1.615 + } else {
1.616 + var result = { value: entry.valueCol };
1.617 + var dummy = { value: 0 };
1.618 + if (!Services.prompt.prompt(window, title, entry.prefCol, result, null, dummy))
1.619 + return false;
1.620 + if (entry.typeCol == nsIPrefBranch.PREF_INT) {
1.621 + // | 0 converts to integer or 0; - 0 to float or NaN.
1.622 + // Thus, this check should catch all cases.
1.623 + var val = result.value | 0;
1.624 + if (val != result.value - 0) {
1.625 + var err_title = gConfigBundle.getString("nan_title");
1.626 + var err_text = gConfigBundle.getString("nan_text");
1.627 + Services.prompt.alert(window, err_title, err_text);
1.628 + return false;
1.629 + }
1.630 + gPrefBranch.setIntPref(entry.prefCol, val);
1.631 + } else {
1.632 + var supportsString = Components.classes[nsSupportsString_CONTRACTID].createInstance(nsISupportsString);
1.633 + supportsString.data = result.value;
1.634 + gPrefBranch.setComplexValue(entry.prefCol, nsISupportsString, supportsString);
1.635 + }
1.636 + }
1.637 +
1.638 + Services.prefs.savePrefFile(null);
1.639 + return true;
1.640 +}
