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1556268fea
any option. They are now saved in the modules where the corresponding features are defined or in vim.js if they are general options. Expect the same code rework for commands and mappings.
311 lines
13 KiB
JavaScript
311 lines
13 KiB
JavaScript
/***** BEGIN LICENSE BLOCK ***** {{{
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Version: MPL 1.1/GPL 2.0/LGPL 2.1
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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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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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(c) 2006-2008: Martin Stubenschrott <stubenschrott@gmx.net>
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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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}}} ***** END LICENSE BLOCK *****/
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// TODO: proper backwards search - implement our own component?
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// : implement our own highlighter?
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// : frameset pages
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// : <ESC> should cancel search highlighting in 'incsearch' mode and jump
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// back to the presearch page location - can probably use the same
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// solution as marks
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// : 'linksearch' searches should highlight link matches only
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// : changing any search settings should also update the search state including highlighting
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// : incremental searches shouldn't permanently update search modifiers
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// make sure you only create this object when the "vimperator" object is ready
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vimperator.Search = function () //{{{
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{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////// PRIVATE SECTION /////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////{{{
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// FIXME:
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//var self = this; // needed for callbacks since "this" is the "vimperator" object in a callback
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var found = false; // true if the last search was successful
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var backwards = false; // currently searching backwards
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var searchString = ""; // current search string (without modifiers)
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var searchPattern = ""; // current search string (includes modifiers)
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var lastSearchPattern = ""; // the last searched pattern (includes modifiers)
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var lastSearchString = ""; // the last searched string (without modifiers)
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var lastSearchBackwards = false; // like "backwards", but for the last search, so if you cancel a search with <esc> this is not set
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var caseSensitive = false; // search string is case sensitive
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var linksOnly = false; // search is limited to link text only
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// Event handlers for search - closure is needed
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vimperator.registerCallback("change", vimperator.modes.SEARCH_FORWARD, function (command) { vimperator.search.searchKeyPressed(command); });
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vimperator.registerCallback("submit", vimperator.modes.SEARCH_FORWARD, function (command) { vimperator.search.searchSubmitted(command); });
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vimperator.registerCallback("cancel", vimperator.modes.SEARCH_FORWARD, function () { vimperator.search.searchCanceled(); });
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// TODO: allow advanced modes in register/triggerCallback
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vimperator.registerCallback("change", vimperator.modes.SEARCH_BACKWARD, function (command) { vimperator.search.searchKeyPressed(command); });
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vimperator.registerCallback("submit", vimperator.modes.SEARCH_BACKWARD, function (command) { vimperator.search.searchSubmitted(command); });
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vimperator.registerCallback("cancel", vimperator.modes.SEARCH_BACKWARD, function () { vimperator.search.searchCanceled(); });
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// set searchString, searchPattern, caseSensitive, linksOnly
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function processUserPattern(pattern)
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{
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// strip off pattern terminator and offset
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if (backwards)
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pattern = pattern.replace(/\?.*/, "");
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else
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pattern = pattern.replace(/\/.*/, "");
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searchPattern = pattern;
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// links only search - \l wins if both modifiers specified
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if (/\\l/.test(pattern))
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linksOnly = false;
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else if (/\L/.test(pattern))
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linksOnly = true;
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else if (vimperator.options["linksearch"])
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linksOnly = true;
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else
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linksOnly = false;
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// strip links-only modifiers
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pattern = pattern.replace(/(\\)?\\[lL]/g, function ($0, $1) { return $1 ? $0 : ""; });
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// case sensitivity - \c wins if both modifiers specified
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if (/\c/.test(pattern))
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caseSensitive = false;
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else if (/\C/.test(pattern))
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caseSensitive = true;
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else if (vimperator.options["ignorecase"] && vimperator.options["smartcase"] && /[A-Z]/.test(pattern))
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caseSensitive = true;
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else if (vimperator.options["ignorecase"])
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caseSensitive = false;
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else
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caseSensitive = true;
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// strip case-sensitive modifiers
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pattern = pattern.replace(/(\\)?\\[cC]/g, function ($0, $1) { return $1 ? $0 : ""; });
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// remove any modifer escape \
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pattern = pattern.replace(/\\(\\[cClL])/g, "$1");
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searchString = pattern;
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}
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/////////////////////////////////////////////////////////////////////////////}}}
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////////////////////// OPTIONS /////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////{{{
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vimperator.options.add(["hlsearch", "hls"],
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"Highlight previous search pattern matches",
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"boolean", "false",
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{
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setter: function (value)
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{
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if (value)
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vimperator.search.highlight();
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else
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vimperator.search.clear();
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}
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});
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vimperator.options.add(["hlsearchstyle", "hlss"],
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"CSS specification of highlighted search items",
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"string", "color: black; background-color: yellow; padding: 0; display: inline;");
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vimperator.options.add(["ignorecase", "ic"],
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"Ignore case in search patterns",
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"boolean", true);
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vimperator.options.add(["incsearch", "is"],
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"Show where the search pattern matches as it is typed",
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"boolean", true);
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vimperator.options.add(["linksearch", "lks"],
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"Limit the search to hyperlink text",
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"boolean", false);
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vimperator.options.add(["smartcase", "scs"],
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"Override the 'ignorecase' option if the pattern contains uppercase characters",
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"boolean", true);
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/////////////////////////////////////////////////////////////////////////////}}}
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////////////////////// PUBLIC SECTION //////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////{{{
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return {
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// Called when the search dialog is asked for
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// If you omit "mode", it will default to forward searching
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openSearchDialog: function (mode)
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{
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if (mode == vimperator.modes.SEARCH_BACKWARD)
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{
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vimperator.commandline.open("?", "", vimperator.modes.SEARCH_BACKWARD);
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backwards = true;
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}
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else
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{
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vimperator.commandline.open("/", "", vimperator.modes.SEARCH_FORWARD);
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backwards = false;
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}
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// TODO: focus the top of the currently visible screen
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},
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// Finds text in a page
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// TODO: backwards seems impossible i fear :(
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find: function (str, backwards)
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{
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var fastFind = getBrowser().fastFind;
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processUserPattern(str);
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fastFind.caseSensitive = caseSensitive;
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found = fastFind.find(searchString, linksOnly) != Components.interfaces.nsITypeAheadFind.FIND_NOTFOUND;
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if (!found)
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setTimeout(function () { vimperator.echoerr("E486: Pattern not found: " + searchPattern); }, 0);
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return found;
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},
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// Called when the current search needs to be repeated
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findAgain: function (reverse)
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{
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// this hack is needed to make n/N work with the correct string, if
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// we typed /foo<esc> after the original search. Since searchString is
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// readonly we have to call find() again to update it.
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if (getBrowser().fastFind.searchString != lastSearchString)
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this.find(lastSearchString, false);
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var up = reverse ? !lastSearchBackwards : lastSearchBackwards;
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var result = getBrowser().fastFind.findAgain(up, linksOnly);
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if (result == Components.interfaces.nsITypeAheadFind.FIND_NOTFOUND)
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{
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vimperator.echoerr("E486: Pattern not found: " + lastSearchPattern);
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}
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else if (result == Components.interfaces.nsITypeAheadFind.FIND_WRAPPED)
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{
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// hack needed, because wrapping causes a "scroll" event which clears
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// our command line
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setTimeout(function () {
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if (up)
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vimperator.commandline.echo("search hit TOP, continuing at BOTTOM", vimperator.commandline.HL_WARNING);
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else
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vimperator.commandline.echo("search hit BOTTOM, continuing at TOP", vimperator.commandline.HL_WARNING);
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}, 0);
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}
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else
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{
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vimperator.echo((up ? "?" : "/") + lastSearchPattern, null, vimperator.commandline.FORCE_SINGLELINE);
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if (vimperator.options["hlsearch"])
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this.highlight(lastSearchString);
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}
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},
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// Called when the user types a key in the search dialog. Triggers a find attempt if 'incsearch' is set
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searchKeyPressed: function (command)
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{
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if (vimperator.options["incsearch"])
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this.find(command, backwards);
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},
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// Called when the enter key is pressed to trigger a search
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// use forcedBackward if you call this function directly
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searchSubmitted: function (command, forcedBackward)
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{
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if (typeof forcedBackward === "boolean")
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backwards = forcedBackward;
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// use the last pattern if none specified
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if (!command)
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command = lastSearchPattern;
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this.clear();
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this.find(command, backwards);
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lastSearchBackwards = backwards;
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lastSearchPattern = command.replace(backwards ? /\?.*/ : /\/.*/, ""); // XXX
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lastSearchString = searchString;
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// TODO: move to find() when reverse incremental searching is kludged in
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// need to find again for reverse searching
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if (backwards)
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setTimeout(function () { vimperator.search.findAgain(false); }, 0);
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if (vimperator.options["hlsearch"])
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this.highlight(searchString);
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vimperator.modes.reset();
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},
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// Called when the search is canceled - for example if someone presses
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// escape while typing a search
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searchCanceled: function ()
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{
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this.clear();
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// TODO: code to reposition the document to the place before search started
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},
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// FIXME: thunderbird incompatible
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// this is not dependent on the value of 'hlsearch'
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highlight: function (text)
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{
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if (vimperator.config.name == "Muttator")
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return;
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// already highlighted?
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if (window.content.document.getElementsByClassName("__mozilla-findbar-search").length > 0)
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return;
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if (!text)
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text = lastSearchString;
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gFindBar._setCaseSensitivity(caseSensitive);
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gFindBar._highlightDoc("white", "black", text);
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// TODO: seems fast enough for now...just
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(function (win)
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{
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for (var i = 0; i < win.frames.length; i++)
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arguments.callee(win.frames[i]);
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var spans = window.content.document.getElementsByClassName("__mozilla-findbar-search");
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for (var i = 0; i < spans.length; i++)
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spans[i].setAttribute("style", vimperator.options["hlsearchstyle"]);
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})(window.content);
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// recreate selection since _highlightDoc collapses the selection backwards
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getBrowser().fastFind.findAgain(false, linksOnly);
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// TODO: remove highlighting from non-link matches (HTML - A/AREA with href attribute; XML - Xlink [type="simple"])
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},
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clear: function ()
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{
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gFindBar._highlightDoc();
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// need to manually collapse the selection if the document is not
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// highlighted
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getBrowser().fastFind.collapseSelection();
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}
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};
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//}}}
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}; //}}}
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// vim: set fdm=marker sw=4 ts=4 et:
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