mirror of
https://github.com/gryf/pentadactyl-pm.git
synced 2026-03-27 03:13:43 +01:00
use the singleton construction idiom for all top level modules and convert all
identifiers to camel case
This commit is contained in:
Doug Kearns
357
content/find.js
357
content/find.js
@@ -39,27 +39,32 @@ the terms of any one of the MPL, the GPL or the LGPL.
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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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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 search_string = ""; // current search string (without modifiers)
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var search_pattern = ""; // current search string (includes modifiers)
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var last_search_pattern = ""; // the last searched pattern (includes modifiers)
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var last_search_string = ""; // the last searched string (without modifiers)
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var last_search_backwards = 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 case_sensitive = false; // search string is case sensitive
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var links_only = false; // search is limited to link text only
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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) { self.searchKeyPressed(command); });
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vimperator.registerCallback("submit", vimperator.modes.SEARCH_FORWARD, function (command) { self.searchSubmitted(command); });
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vimperator.registerCallback("cancel", vimperator.modes.SEARCH_FORWARD, function () { self.searchCanceled(); });
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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) { self.searchKeyPressed(command); });
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vimperator.registerCallback("submit", vimperator.modes.SEARCH_BACKWARD, function (command) { self.searchSubmitted(command); });
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vimperator.registerCallback("cancel", vimperator.modes.SEARCH_BACKWARD, function () { self.searchCanceled(); });
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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 search_string, search_pattern, case_sensitive, links_only
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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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@@ -68,32 +73,32 @@ vimperator.Search = function () //{{{
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else
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pattern = pattern.replace(/\/.*/, "");
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search_pattern = pattern;
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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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links_only = false;
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linksOnly = false;
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else if (/\L/.test(pattern))
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links_only = true;
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linksOnly = true;
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else if (vimperator.options["linksearch"])
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links_only = true;
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linksOnly = true;
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else
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links_only = false;
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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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case_sensitive = false;
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caseSensitive = false;
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else if (/\C/.test(pattern))
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case_sensitive = true;
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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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case_sensitive = true;
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caseSensitive = true;
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else if (vimperator.options["ignorecase"])
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case_sensitive = false;
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caseSensitive = false;
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else
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case_sensitive = true;
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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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@@ -101,171 +106,179 @@ vimperator.Search = function () //{{{
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// remove any modifer escape \
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pattern = pattern.replace(/\\(\\[cClL])/g, "$1");
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search_string = pattern;
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searchString = pattern;
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}
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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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this.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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////////////////////// 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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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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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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vimperator.commandline.open("/", "", vimperator.modes.SEARCH_FORWARD);
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backwards = false;
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}
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var fastFind = getBrowser().fastFind;
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// TODO: focus the top of the currently visible screen
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}
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processUserPattern(str);
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// Finds text in a page
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// TODO: backwards seems impossible i fear :(
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this.find = function (str, backwards)
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{
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var fastFind = getBrowser().fastFind;
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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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processUserPattern(str);
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if (!found)
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setTimeout(function () { vimperator.echoerr("E486: Pattern not found: " + searchPattern); }, 0);
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fastFind.caseSensitive = case_sensitive;
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found = fastFind.find(search_string, links_only) != Components.interfaces.nsITypeAheadFind.FIND_NOTFOUND;
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return found;
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},
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if (!found)
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setTimeout(function () { vimperator.echoerr("E486: Pattern not found: " + search_pattern); }, 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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this.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 != last_search_string)
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this.find(last_search_string, false);
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var up = reverse ? !last_search_backwards : last_search_backwards;
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var result;
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if (up)
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result = getBrowser().fastFind.findPrevious();
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else
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result = getBrowser().fastFind.findNext();
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if (result == Components.interfaces.nsITypeAheadFind.FIND_NOTFOUND)
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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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vimperator.echoerr("E486: Pattern not found: " + last_search_pattern);
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}
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else if (result == Components.interfaces.nsITypeAheadFind.FIND_WRAPPED)
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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;
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if (up)
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result = getBrowser().fastFind.findPrevious();
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else
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result = getBrowser().fastFind.findNext();
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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);
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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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// 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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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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vimperator.echo((up ? "?" : "/") + last_search_pattern);
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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(last_search_string);
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}
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}
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this.highlight(searchString);
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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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this.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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vimperator.setMode(vimperator.modes.NORMAL);
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vimperator.focusContent();
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},
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// Called when the enter key is pressed to trigger a search
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// use forced_direction if you call this function directly
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this.searchSubmitted = function (command, forced_backward)
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{
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if (typeof forced_backward === "boolean")
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backwards = forced_backward;
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// use the last pattern if none specified
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if (!command)
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command = last_search_pattern;
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this.clear();
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this.find(command, backwards);
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last_search_backwards = backwards;
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last_search_pattern = command.replace(backwards ? /\?.*/ : /\/.*/, ""); // XXX
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last_search_string = search_string;
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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 () { self.findAgain(false); }, 0);
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if (vimperator.options["hlsearch"])
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this.highlight(search_string);
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vimperator.setMode(vimperator.modes.NORMAL);
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vimperator.focusContent();
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}
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// Called when the search is cancelled - for example if someone presses
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// escape while typing a search
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this.searchCanceled = function ()
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{
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//removeMode(MODE_SEARCH);
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vimperator.setMode(vimperator.modes.NORMAL);
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vimperator.focusContent();
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}
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this.highlight = function (text)
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{
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// already highlighted?
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if (window.content.document.getElementById("__firefox-findbar-search-id"))
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return;
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if (!text)
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text = last_search_string;
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// NOTE: gFindBar.setCaseSensitivity() in FF2 does NOT set the
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// accessibility.typeaheadfind.casesensitive pref as needed by
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// highlightDoc()
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gFindBar.mTypeAheadCaseSensitive = case_sensitive ? 1 : 0;
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gFindBar.highlightDoc("white", "black", text);
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// TODO: seems fast enough for now...just
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// NOTE: FF2 highlighting spans all have the same id rather than a class attribute
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(function (win)
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// Called when the search is cancelled - 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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for (var i = 0; i < win.frames.length; i++)
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arguments.callee(win.frames[i]);
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var spans = vimperator.buffer.evaluateXPath("//span[@id='__firefox-findbar-search-id']", win.document);
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for (var i = 0; i < spans.snapshotLength; i++)
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spans.snapshotItem(i).setAttribute("style", vimperator.options["hlsearchstyle"]);
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})(window.content);
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//removeMode(MODE_SEARCH);
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vimperator.setMode(vimperator.modes.NORMAL);
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vimperator.focusContent();
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},
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// recreate selection since _highlightDoc collapses the selection backwards
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getBrowser().fastFind.findNext();
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highlight: function (text)
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{
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// already highlighted?
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if (window.content.document.getElementById("__firefox-findbar-search-id"))
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return;
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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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if (!text)
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text = lastSearchString;
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this.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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// NOTE: gFindBar.setCaseSensitivity() in FF2 does NOT set the
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// accessibility.typeaheadfind.casesensitive pref as needed by
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// highlightDoc()
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gFindBar.mTypeAheadCaseSensitive = caseSensitive ? 1 : 0;
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gFindBar.highlightDoc("white", "black", text);
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} //}}}
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// TODO: seems fast enough for now...just
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// NOTE: FF2 highlighting spans all have the same id rather than a class attribute
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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 = vimperator.buffer.evaluateXPath("//span[@id='__firefox-findbar-search-id']", win.document);
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for (var i = 0; i < spans.snapshotLength; i++)
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spans.snapshotItem(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.findNext();
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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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