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/*------------------------------------------------------------------------
# Copyright (C) 2005-2012 WebxSolution Ltd. All Rights Reserved.
# @license - GPLv2.0
# Author: WebxSolution Ltd
# Websites: http://www.webxsolution.com
# Terms of Use: An extension that is derived from the JoomlaCK editor will only be allowed under the following conditions: http://joomlackeditor.com/terms-of-use
# ------------------------------------------------------------------------*/
CodeMirror.connect = function (node, type, handler, disconnect) {
function wrapHandler(event) {handler(event || window.event);}
if (typeof node.addEventListener == "function") {
node.addEventListener(type, wrapHandler, false);
if (disconnect) return function() {node.removeEventListener(type, wrapHandler, false);};
}
else {
node.attachEvent("on" + type, wrapHandler);
if (disconnect) return function() {node.detachEvent("on" + type, wrapHandler);};
}
}
CodeMirror.defineExtension("openDialog", function(template, callback) {
var wrap = this.getWrapperElement();
var dialog = wrap.insertBefore(document.createElement("div"), wrap.firstChild);
dialog.className = "CodeMirror-dialog";
dialog.innerHTML = '<div>' + template + '</div>';
var closed = false, me = this;
function close() {
if (closed) return;
closed = true;
dialog.parentNode.removeChild(dialog);
}
var inp = dialog.getElementsByTagName("input")[0];
if (inp) {
CodeMirror.connect(inp, "keydown", function(e) {
if (e.keyCode == 13 || e.keyCode == 27) {
CodeMirror.e_stop(e);
close();
me.focus();
if (e.keyCode == 13)
setTimeout(function() {callback(inp.value);}, 50);
}
});
inp.focus();
CodeMirror.connect(inp, "blur", close);
}
return close;
});
(function(){
function SearchCursor(cm, query, pos, caseFold) {
this.atOccurrence = false; this.cm = cm;
if (caseFold == null) caseFold = typeof query == "string" && query == query.toLowerCase();
pos = pos ? cm.clipPos(pos) : {line: 0, ch: 0};
this.pos = {from: pos, to: pos};
// The matches method is filled in based on the type of query.
// It takes a position and a direction, and returns an object
// describing the next occurrence of the query, or null if no
// more matches were found.
if (typeof query != "string") // Regexp match
this.matches = function(reverse, pos) {
if (reverse) {
var line = cm.getLine(pos.line).slice(0, pos.ch), match = line.match(query), start = 0;
while (match) {
var ind = line.indexOf(match[0]);
start += ind;
line = line.slice(ind + 1);
var newmatch = line.match(query);
if (newmatch) match = newmatch;
else break;
start++;
}
}
else {
var line = cm.getLine(pos.line).slice(pos.ch), match = line.match(query),
start = match && pos.ch + line.indexOf(match[0]);
}
if (match)
return {from: {line: pos.line, ch: start},
to: {line: pos.line, ch: start + match[0].length},
match: match};
};
else { // String query
if (caseFold) query = query.toLowerCase();
var fold = caseFold ? function(str){return str.toLowerCase();} : function(str){return str;};
var target = query.split("\n");
// Different methods for single-line and multi-line queries
if (target.length == 1)
this.matches = function(reverse, pos) {
var line = fold(cm.getLine(pos.line)), len = query.length, match;
if (reverse ? (pos.ch >= len && (match = line.lastIndexOf(query, pos.ch - len)) != -1)
: (match = line.indexOf(query, pos.ch)) != -1)
return {from: {line: pos.line, ch: match},
to: {line: pos.line, ch: match + len}};
};
else
this.matches = function(reverse, pos) {
var ln = pos.line, idx = (reverse ? target.length - 1 : 0), match = target[idx], line = fold(cm.getLine(ln));
var offsetA = (reverse ? line.indexOf(match) + match.length : line.lastIndexOf(match));
if (reverse ? offsetA >= pos.ch || offsetA != match.length
: offsetA <= pos.ch || offsetA != line.length - match.length)
return;
for (;;) {
if (reverse ? !ln : ln == cm.lineCount() - 1) return;
line = fold(getLine(ln += reverse ? -1 : 1).text);
match = target[reverse ? --idx : ++idx];
if (idx > 0 && idx < target.length - 1) {
if (line != match) return;
else continue;
}
var offsetB = (reverse ? line.lastIndexOf(match) : line.indexOf(match) + match.length);
if (reverse ? offsetB != line.length - match.length : offsetB != match.length)
return;
var start = {line: pos.line, ch: offsetA}, end = {line: ln, ch: offsetB};
return {from: reverse ? end : start, to: reverse ? start : end};
}
};
}
}
SearchCursor.prototype = {
findNext: function() {return this.find(false);},
findPrevious: function() {return this.find(true);},
find: function(reverse) {
var self = this, pos = this.cm.clipPos(reverse ? this.pos.from : this.pos.to);
function savePosAndFail(line) {
var pos = {line: line, ch: 0};
self.pos = {from: pos, to: pos};
self.atOccurrence = false;
return false;
}
for (;;) {
if (this.pos = this.matches(reverse, pos)) {
this.atOccurrence = true;
return this.pos.match || true;
}
if (reverse) {
if (!pos.line) return savePosAndFail(0);
pos = {line: pos.line-1, ch: getLine(pos.line-1).text.length};
}
else {
var maxLine = this.cm.lineCount();
if (pos.line == maxLine - 1) return savePosAndFail(maxLine);
pos = {line: pos.line+1, ch: 0};
}
}
},
from: function() {if (this.atOccurrence) return this.pos.from;},
to: function() {if (this.atOccurrence) return this.pos.to;},
replace: function(newText) {
var self = this;
if (this.atOccurrence)
self.pos.to = this.cm.replaceRange(newText, self.pos.from, self.pos.to);
}
};
CodeMirror.defineExtension("getSearchCursor", function(query, pos, caseFold) {
return new SearchCursor(this, query, pos, caseFold);
});
})();
(function() {
function SearchState() {
this.lastPos = null; this.query = this.replacing = null; this.marked = [];
}
function getSearchState(cm) {
if (!cm) debugger;
return cm._searchState || (cm._searchState = new SearchState());
}
function dialog(cm, text, shortText, f) {
if (cm.openDialog) cm.openDialog(text, f);
else f(prompt(shortText, ""));
}
function parseQuery(query) {
var isRE = query.match(/^\/(.*)\/$/);
return isRE ? new RegExp(isRE[1]) : query;
}
var queryDialog =
'Search: <input type="text" style="width: 10em"> <span style="color: #888">(Use /re/ syntax for regexp search)</span>';
function doSearch(cm, rev) {
var state = getSearchState(cm);
if (state.query) return findNext(cm, rev);
dialog(cm, queryDialog, "Search for:", function(query) {
cm.operation(function() {
if (!query || state.query) return;
state.query = parseQuery(query);
if (cm.lineCount() < 2000) { // This is too expensive on big documents.
for (var cursor = cm.getSearchCursor(query); cursor.findNext();)
state.marked.push(cm.markText(cursor.from(), cursor.to(), "CodeMirror-searching"));
}
state.lastPos = cm.getCursor();
findNext(cm, rev);
});
});
}
function findNext(cm, rev) {cm.operation(function() {
var state = getSearchState(cm);
if (state != null && state.replacing) {
var sel = cm.getSelection();
if (typeof state.query == "string") {
if (sel == state.query) cm.replaceSelection(state.replacing);
} else {
var match = sel.match(state.query);
if (match) cm.replaceSelection(state.replacing.replace(/\$(\d)/, function(w, i) {return match[i];}));
}
}
var cursor = cm.getSearchCursor(state.query, state.lastPos);
if (!cursor.find(rev)) {
cursor = cm.getSearchCursor(state.query, rev ? {line: cm.lineCount() - 1} : {line: 0, ch: 0});
if (!cursor.find(rev)) return;
}
cm.setSelection(cursor.from(), cursor.to());
state.lastPos = rev ? cursor.from() : cursor.to();
})}
function clearSearch(cm) {cm.operation(function() {
var state = getSearchState(cm);
if (!state.query) return;
state.query = state.replacing = null;
for (var i = 0; i < state.marked.length; ++i) state.marked[i].clear();
state.marked.length = 0;
})}
var replaceQueryDialog =
'Replace: <input type="text" style="width: 10em"> <span style="color: #888">(Use /re/ syntax for regexp search)</span>';
var replacementQueryDialog = 'With: <input type="text" style="width: 10em">';
function replace(cm, all) {
dialog(cm, replaceQueryDialog, "Replace:", function(query) {
if (!query) return;
query = parseQuery(query);
dialog(cm, replacementQueryDialog, "Replace with:", function(text) {
if (all) {
cm.operation(function() {
for (var cursor = cm.getSearchCursor(query); cursor.findNext();) {
if (typeof query != "string") {
var match = cm.getRange(cursor.from(), cursor.to()).match(query);
cursor.replace(text.replace(/\$(\d)/, function(w, i) {return match[i];}));
} else cursor.replace(text);
}
});
} else {
var state = getSearchState(cm);
clearSearch(cm);
state.query = query;
state.replacing = text;
state.lastPos = cm.getCursor();
findNext(cm);
}
});
});
}
CodeMirror.commands = {} //not implented in this version plus going to define custom event handling
CodeMirror.commands.find = function(cm) {clearSearch(cm); doSearch(cm);};
CodeMirror.commands.findNext = doSearch;
CodeMirror.commands.findPrev = function(cm) {doSearch(cm, true);};
CodeMirror.commands.clearSearch = clearSearch;
CodeMirror.commands.replace = replace;
CodeMirror.commands.replaceAll = function(cm) {replace(cm, true);};
})();