Файл: public/js/3rd_party/ckeditor/plugins/find/dialogs/find.js
Строк: 845
<?php
/*
Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
(function()
{
var isReplace;
function findEvaluator( node )
{
return node.type == CKEDITOR.NODE_TEXT && node.getLength() > 0 && ( !isReplace || !node.isReadOnly() );
}
/**
* Elements which break characters been considered as sequence.
*/
function nonCharactersBoundary( node )
{
return !( node.type == CKEDITOR.NODE_ELEMENT && node.isBlockBoundary(
CKEDITOR.tools.extend( {}, CKEDITOR.dtd.$empty, CKEDITOR.dtd.$nonEditable ) ) );
}
/**
* Get the cursor object which represent both current character and it's dom
* position thing.
*/
var cursorStep = function()
{
return {
textNode : this.textNode,
offset : this.offset,
character : this.textNode ?
this.textNode.getText().charAt( this.offset ) : null,
hitMatchBoundary : this._.matchBoundary
};
};
var pages = [ 'find', 'replace' ],
fieldsMapping = [
[ 'txtFindFind', 'txtFindReplace' ],
[ 'txtFindCaseChk', 'txtReplaceCaseChk' ],
[ 'txtFindWordChk', 'txtReplaceWordChk' ],
[ 'txtFindCyclic', 'txtReplaceCyclic' ] ];
/**
* Synchronize corresponding filed values between 'replace' and 'find' pages.
* @param {String} currentPageId The page id which receive values.
*/
function syncFieldsBetweenTabs( currentPageId )
{
var sourceIndex, targetIndex,
sourceField, targetField;
sourceIndex = currentPageId === 'find' ? 1 : 0;
targetIndex = 1 - sourceIndex;
var i, l = fieldsMapping.length;
for ( i = 0 ; i < l ; i++ )
{
sourceField = this.getContentElement( pages[ sourceIndex ],
fieldsMapping[ i ][ sourceIndex ] );
targetField = this.getContentElement( pages[ targetIndex ],
fieldsMapping[ i ][ targetIndex ] );
targetField.setValue( sourceField.getValue() );
}
}
var findDialog = function( editor, startupPage )
{
// Style object for highlights: (#5018)
// 1. Defined as full match style to avoid compromising ordinary text color styles.
// 2. Must be apply onto inner-most text to avoid conflicting with ordinary text color styles visually.
var highlightStyle = new CKEDITOR.style(
CKEDITOR.tools.extend( { attributes : { 'data-cke-highlight': 1 }, fullMatch : 1, ignoreReadonly : 1, childRule : function(){ return 0; } },
editor.config.find_highlight, true ) );
/**
* Iterator which walk through the specified range char by char. By
* default the walking will not stop at the character boundaries, until
* the end of the range is encountered.
* @param { CKEDITOR.dom.range } range
* @param {Boolean} matchWord Whether the walking will stop at character boundary.
*/
var characterWalker = function( range , matchWord )
{
var self = this;
var walker =
new CKEDITOR.dom.walker( range );
walker.guard = matchWord ? nonCharactersBoundary : function( node )
{
!nonCharactersBoundary( node ) && ( self._.matchBoundary = true );
};
walker[ 'evaluator' ] = findEvaluator;
walker.breakOnFalse = 1;
if ( range.startContainer.type == CKEDITOR.NODE_TEXT )
{
this.textNode = range.startContainer;
this.offset = range.startOffset - 1;
}
this._ = {
matchWord : matchWord,
walker : walker,
matchBoundary : false
};
};
characterWalker.prototype = {
next : function()
{
return this.move();
},
back : function()
{
return this.move( true );
},
move : function( rtl )
{
var currentTextNode = this.textNode;
// Already at the end of document, no more character available.
if ( currentTextNode === null )
return cursorStep.call( this );
this._.matchBoundary = false;
// There are more characters in the text node, step forward.
if ( currentTextNode
&& rtl
&& this.offset > 0 )
{
this.offset--;
return cursorStep.call( this );
}
else if ( currentTextNode
&& this.offset < currentTextNode.getLength() - 1 )
{
this.offset++;
return cursorStep.call( this );
}
else
{
currentTextNode = null;
// At the end of the text node, walking foward for the next.
while ( !currentTextNode )
{
currentTextNode =
this._.walker[ rtl ? 'previous' : 'next' ].call( this._.walker );
// Stop searching if we're need full word match OR
// already reach document end.
if ( this._.matchWord && !currentTextNode
|| this._.walker._.end )
break;
}
// Found a fresh text node.
this.textNode = currentTextNode;
if ( currentTextNode )
this.offset = rtl ? currentTextNode.getLength() - 1 : 0;
else
this.offset = 0;
}
return cursorStep.call( this );
}
};
/**
* A range of cursors which represent a trunk of characters which try to
* match, it has the same length as the pattern string.
*/
var characterRange = function( characterWalker, rangeLength )
{
this._ = {
walker : characterWalker,
cursors : [],
rangeLength : rangeLength,
highlightRange : null,
isMatched : 0
};
};
characterRange.prototype = {
/**
* Translate this range to {@link CKEDITOR.dom.range}
*/
toDomRange : function()
{
var range = new CKEDITOR.dom.range( editor.document );
var cursors = this._.cursors;
if ( cursors.length < 1 )
{
var textNode = this._.walker.textNode;
if ( textNode )
range.setStartAfter( textNode );
else
return null;
}
else
{
var first = cursors[0],
last = cursors[ cursors.length - 1 ];
range.setStart( first.textNode, first.offset );
range.setEnd( last.textNode, last.offset + 1 );
}
return range;
},
/**
* Reflect the latest changes from dom range.
*/
updateFromDomRange : function( domRange )
{
var cursor,
walker = new characterWalker( domRange );
this._.cursors = [];
do
{
cursor = walker.next();
if ( cursor.character )
this._.cursors.push( cursor );
}
while ( cursor.character );
this._.rangeLength = this._.cursors.length;
},
setMatched : function()
{
this._.isMatched = true;
},
clearMatched : function()
{
this._.isMatched = false;
},
isMatched : function()
{
return this._.isMatched;
},
/**
* Hightlight the current matched chunk of text.
*/
highlight : function()
{
// Do not apply if nothing is found.
if ( this._.cursors.length < 1 )
return;
// Remove the previous highlight if there's one.
if ( this._.highlightRange )
this.removeHighlight();
// Apply the highlight.
var range = this.toDomRange(),
bookmark = range.createBookmark();
highlightStyle.applyToRange( range );
range.moveToBookmark( bookmark );
this._.highlightRange = range;
// Scroll the editor to the highlighted area.
var element = range.startContainer;
if ( element.type != CKEDITOR.NODE_ELEMENT )
element = element.getParent();
element.scrollIntoView();
// Update the character cursors.
this.updateFromDomRange( range );
},
/**
* Remove highlighted find result.
*/
removeHighlight : function()
{
if ( !this._.highlightRange )
return;
var bookmark = this._.highlightRange.createBookmark();
highlightStyle.removeFromRange( this._.highlightRange );
this._.highlightRange.moveToBookmark( bookmark );
this.updateFromDomRange( this._.highlightRange );
this._.highlightRange = null;
},
isReadOnly : function()
{
if ( !this._.highlightRange )
return 0;
return this._.highlightRange.startContainer.isReadOnly();
},
moveBack : function()
{
var retval = this._.walker.back(),
cursors = this._.cursors;
if ( retval.hitMatchBoundary )
this._.cursors = cursors = [];
cursors.unshift( retval );
if ( cursors.length > this._.rangeLength )
cursors.pop();
return retval;
},
moveNext : function()
{
var retval = this._.walker.next(),
cursors = this._.cursors;
// Clear the cursors queue if we've crossed a match boundary.
if ( retval.hitMatchBoundary )
this._.cursors = cursors = [];
cursors.push( retval );
if ( cursors.length > this._.rangeLength )
cursors.shift();
return retval;
},
getEndCharacter : function()
{
var cursors = this._.cursors;
if ( cursors.length < 1 )
return null;
return cursors[ cursors.length - 1 ].character;
},
getNextCharacterRange : function( maxLength )
{
var lastCursor,
nextRangeWalker,
cursors = this._.cursors;
if ( ( lastCursor = cursors[ cursors.length - 1 ] ) && lastCursor.textNode )
nextRangeWalker = new characterWalker( getRangeAfterCursor( lastCursor ) );
// In case it's an empty range (no cursors), figure out next range from walker (#4951).
else
nextRangeWalker = this._.walker;
return new characterRange( nextRangeWalker, maxLength );
},
getCursors : function()
{
return this._.cursors;
}
};
// The remaining document range after the character cursor.
function getRangeAfterCursor( cursor , inclusive )
{
var range = new CKEDITOR.dom.range();
range.setStart( cursor.textNode,
( inclusive ? cursor.offset : cursor.offset + 1 ) );
range.setEndAt( editor.document.getBody(),
CKEDITOR.POSITION_BEFORE_END );
return range;
}
// The document range before the character cursor.
function getRangeBeforeCursor( cursor )
{
var range = new CKEDITOR.dom.range();
range.setStartAt( editor.document.getBody(),
CKEDITOR.POSITION_AFTER_START );
range.setEnd( cursor.textNode, cursor.offset );
return range;
}
var KMP_NOMATCH = 0,
KMP_ADVANCED = 1,
KMP_MATCHED = 2;
/**
* Examination the occurrence of a word which implement KMP algorithm.
*/
var kmpMatcher = function( pattern, ignoreCase )
{
var overlap = [ -1 ];
if ( ignoreCase )
pattern = pattern.toLowerCase();
for ( var i = 0 ; i < pattern.length ; i++ )
{
overlap.push( overlap[i] + 1 );
while ( overlap[ i + 1 ] > 0
&& pattern.charAt( i ) != pattern
.charAt( overlap[ i + 1 ] - 1 ) )
overlap[ i + 1 ] = overlap[ overlap[ i + 1 ] - 1 ] + 1;
}
this._ = {
overlap : overlap,
state : 0,
ignoreCase : !!ignoreCase,
pattern : pattern
};
};
kmpMatcher.prototype =
{
feedCharacter : function( c )
{
if ( this._.ignoreCase )
c = c.toLowerCase();
while ( true )
{
if ( c == this._.pattern.charAt( this._.state ) )
{
this._.state++;
if ( this._.state == this._.pattern.length )
{
this._.state = 0;
return KMP_MATCHED;
}
return KMP_ADVANCED;
}
else if ( !this._.state )
return KMP_NOMATCH;
else
this._.state = this._.overlap[ this._.state ];
}
return null;
},
reset : function()
{
this._.state = 0;
}
};
var wordSeparatorRegex =
/[.,"'?!;: u0085u00a0u1680u280eu2028u2029u202fu205fu3000]/;
var isWordSeparator = function( c )
{
if ( !c )
return true;
var code = c.charCodeAt( 0 );
return ( code >= 9 && code <= 0xd )
|| ( code >= 0x2000 && code <= 0x200a )
|| wordSeparatorRegex.test( c );
};
var finder = {
searchRange : null,
matchRange : null,
find : function( pattern, matchCase, matchWord, matchCyclic, highlightMatched, cyclicRerun )
{
if ( !this.matchRange )
this.matchRange =
new characterRange(
new characterWalker( this.searchRange ),
pattern.length );
else
{
this.matchRange.removeHighlight();
this.matchRange = this.matchRange.getNextCharacterRange( pattern.length );
}
var matcher = new kmpMatcher( pattern, !matchCase ),
matchState = KMP_NOMATCH,
character = '%';
while ( character !== null )
{
this.matchRange.moveNext();
while ( ( character = this.matchRange.getEndCharacter() ) )
{
matchState = matcher.feedCharacter( character );
if ( matchState == KMP_MATCHED )
break;
if ( this.matchRange.moveNext().hitMatchBoundary )
matcher.reset();
}
if ( matchState == KMP_MATCHED )
{
if ( matchWord )
{
var cursors = this.matchRange.getCursors(),
tail = cursors[ cursors.length - 1 ],
head = cursors[ 0 ];
var headWalker = new characterWalker( getRangeBeforeCursor( head ), true ),
tailWalker = new characterWalker( getRangeAfterCursor( tail ), true );
if ( ! ( isWordSeparator( headWalker.back().character )
&& isWordSeparator( tailWalker.next().character ) ) )
continue;
}
this.matchRange.setMatched();
if ( highlightMatched !== false )
this.matchRange.highlight();
return true;
}
}
this.matchRange.clearMatched();
this.matchRange.removeHighlight();
// Clear current session and restart with the default search
// range.
// Re-run the finding once for cyclic.(#3517)
if ( matchCyclic && !cyclicRerun )
{
this.searchRange = getSearchRange( 1 );
this.matchRange = null;
return arguments.callee.apply( this,
Array.prototype.slice.call( arguments ).concat( [ true ] ) );
}
return false;
},
/**
* Record how much replacement occurred toward one replacing.
*/
replaceCounter : 0,
replace : function( dialog, pattern, newString, matchCase, matchWord,
matchCyclic , isReplaceAll )
{
isReplace = 1;
// Successiveness of current replace/find.
var result = 0;
// 1. Perform the replace when there's already a match here.
// 2. Otherwise perform the find but don't replace it immediately.
if ( this.matchRange && this.matchRange.isMatched()
&& !this.matchRange._.isReplaced && !this.matchRange.isReadOnly() )
{
// Turn off highlight for a while when saving snapshots.
this.matchRange.removeHighlight();
var domRange = this.matchRange.toDomRange();
var text = editor.document.createText( newString );
if ( !isReplaceAll )
{
// Save undo snaps before and after the replacement.
var selection = editor.getSelection();
selection.selectRanges( [ domRange ] );
editor.fire( 'saveSnapshot' );
}
domRange.deleteContents();
domRange.insertNode( text );
if ( !isReplaceAll )
{
selection.selectRanges( [ domRange ] );
editor.fire( 'saveSnapshot' );
}
this.matchRange.updateFromDomRange( domRange );
if ( !isReplaceAll )
this.matchRange.highlight();
this.matchRange._.isReplaced = true;
this.replaceCounter++;
result = 1;
}
else
result = this.find( pattern, matchCase, matchWord, matchCyclic, !isReplaceAll );
isReplace = 0;
return result;
}
};
/**
* The range in which find/replace happened, receive from user
* selection prior.
*/
function getSearchRange( isDefault )
{
var searchRange,
sel = editor.getSelection(),
body = editor.document.getBody();
if ( sel && !isDefault )
{
searchRange = sel.getRanges()[ 0 ].clone();
searchRange.collapse( true );
}
else
{
searchRange = new CKEDITOR.dom.range();
searchRange.setStartAt( body, CKEDITOR.POSITION_AFTER_START );
}
searchRange.setEndAt( body, CKEDITOR.POSITION_BEFORE_END );
return searchRange;
}
var lang = editor.lang.findAndReplace;
return {
title : lang.title,
resizable : CKEDITOR.DIALOG_RESIZE_NONE,
minWidth : 350,
minHeight : 170,
buttons : [ CKEDITOR.dialog.cancelButton ], // Cancel button only.
contents : [
{
id : 'find',
label : lang.find,
title : lang.find,
accessKey : '',
elements : [
{
type : 'hbox',
widths : [ '230px', '90px' ],
children :
[
{
type : 'text',
id : 'txtFindFind',
label : lang.findWhat,
isChanged : false,
labelLayout : 'horizontal',
accessKey : 'F'
},
{
type : 'button',
id : 'btnFind',
align : 'left',
style : 'width:100%',
label : lang.find,
onClick : function()
{
var dialog = this.getDialog();
if ( !finder.find( dialog.getValueOf( 'find', 'txtFindFind' ),
dialog.getValueOf( 'find', 'txtFindCaseChk' ),
dialog.getValueOf( 'find', 'txtFindWordChk' ),
dialog.getValueOf( 'find', 'txtFindCyclic' ) ) )
alert( lang
.notFoundMsg );
}
}
]
},
{
type : 'fieldset',
label : CKEDITOR.tools.htmlEncode( lang.findOptions ),
style : 'margin-top:29px',
children :
[
{
type : 'vbox',
padding : 0,
children :
[
{
type : 'checkbox',
id : 'txtFindCaseChk',
isChanged : false,
label : lang.matchCase
},
{
type : 'checkbox',
id : 'txtFindWordChk',
isChanged : false,
label : lang.matchWord
},
{
type : 'checkbox',
id : 'txtFindCyclic',
isChanged : false,
'default' : true,
label : lang.matchCyclic
}
]
}
]
}
]
},
{
id : 'replace',
label : lang.replace,
accessKey : 'M',
elements : [
{
type : 'hbox',
widths : [ '230px', '90px' ],
children :
[
{
type : 'text',
id : 'txtFindReplace',
label : lang.findWhat,
isChanged : false,
labelLayout : 'horizontal',
accessKey : 'F'
},
{
type : 'button',
id : 'btnFindReplace',
align : 'left',
style : 'width:100%',
label : lang.replace,
onClick : function()
{
var dialog = this.getDialog();
if ( !finder.replace( dialog,
dialog.getValueOf( 'replace', 'txtFindReplace' ),
dialog.getValueOf( 'replace', 'txtReplace' ),
dialog.getValueOf( 'replace', 'txtReplaceCaseChk' ),
dialog.getValueOf( 'replace', 'txtReplaceWordChk' ),
dialog.getValueOf( 'replace', 'txtReplaceCyclic' ) ) )
alert( lang
.notFoundMsg );
}
}
]
},
{
type : 'hbox',
widths : [ '230px', '90px' ],
children :
[
{
type : 'text',
id : 'txtReplace',
label : lang.replaceWith,
isChanged : false,
labelLayout : 'horizontal',
accessKey : 'R'
},
{
type : 'button',
id : 'btnReplaceAll',
align : 'left',
style : 'width:100%',
label : lang.replaceAll,
isChanged : false,
onClick : function()
{
var dialog = this.getDialog();
var replaceNums;
finder.replaceCounter = 0;
// Scope to full document.
finder.searchRange = getSearchRange( 1 );
if ( finder.matchRange )
{
finder.matchRange.removeHighlight();
finder.matchRange = null;
}
editor.fire( 'saveSnapshot' );
while ( finder.replace( dialog,
dialog.getValueOf( 'replace', 'txtFindReplace' ),
dialog.getValueOf( 'replace', 'txtReplace' ),
dialog.getValueOf( 'replace', 'txtReplaceCaseChk' ),
dialog.getValueOf( 'replace', 'txtReplaceWordChk' ),
false, true ) )
{ /*jsl:pass*/ }
if ( finder.replaceCounter )
{
alert( lang.replaceSuccessMsg.replace( /%1/, finder.replaceCounter ) );
editor.fire( 'saveSnapshot' );
}
else
alert( lang.notFoundMsg );
}
}
]
},
{
type : 'fieldset',
label : CKEDITOR.tools.htmlEncode( lang.findOptions ),
children :
[
{
type : 'vbox',
padding : 0,
children :
[
{
type : 'checkbox',
id : 'txtReplaceCaseChk',
isChanged : false,
label : lang.matchCase
},
{
type : 'checkbox',
id : 'txtReplaceWordChk',
isChanged : false,
label : lang.matchWord
},
{
type : 'checkbox',
id : 'txtReplaceCyclic',
isChanged : false,
'default' : true,
label : lang.matchCyclic
}
]
}
]
}
]
}
],
onLoad : function()
{
var dialog = this;
// Keep track of the current pattern field in use.
var patternField, wholeWordChkField;
// Ignore initial page select on dialog show
var isUserSelect = 0;
this.on( 'hide', function()
{
isUserSelect = 0;
});
this.on( 'show', function()
{
isUserSelect = 1;
});
this.selectPage = CKEDITOR.tools.override( this.selectPage, function( originalFunc )
{
return function( pageId )
{
originalFunc.call( dialog, pageId );
var currPage = dialog._.tabs[ pageId ];
var patternFieldInput, patternFieldId, wholeWordChkFieldId;
patternFieldId = pageId === 'find' ? 'txtFindFind' : 'txtFindReplace';
wholeWordChkFieldId = pageId === 'find' ? 'txtFindWordChk' : 'txtReplaceWordChk';
patternField = dialog.getContentElement( pageId,
patternFieldId );
wholeWordChkField = dialog.getContentElement( pageId,
wholeWordChkFieldId );
// Prepare for check pattern text filed 'keyup' event
if ( !currPage.initialized )
{
patternFieldInput = CKEDITOR.document
.getById( patternField._.inputId );
currPage.initialized = true;
}
// Synchronize fields on tab switch.
if ( isUserSelect )
syncFieldsBetweenTabs.call( this, pageId );
};
} );
},
onShow : function()
{
// Establish initial searching start position.
finder.searchRange = getSearchRange();
// Fill in the find field with selected text.
var selectedText = this.getParentEditor().getSelection().getSelectedText(),
patternFieldId = ( startupPage == 'find' ? 'txtFindFind' : 'txtFindReplace' );
var field = this.getContentElement( startupPage, patternFieldId );
field.setValue( selectedText );
field.select();
this.selectPage( startupPage );
this[ ( startupPage == 'find' && this._.editor.readOnly? 'hide' : 'show' ) + 'Page' ]( 'replace');
},
onHide : function()
{
var range;
if ( finder.matchRange && finder.matchRange.isMatched() )
{
finder.matchRange.removeHighlight();
editor.focus();
range = finder.matchRange.toDomRange();
if ( range )
editor.getSelection().selectRanges( [ range ] );
}
// Clear current session before dialog close
delete finder.matchRange;
},
onFocus : function()
{
if ( startupPage == 'replace' )
return this.getContentElement( 'replace', 'txtFindReplace' );
else
return this.getContentElement( 'find', 'txtFindFind' );
}
};
};
CKEDITOR.dialog.add( 'find', function( editor )
{
return findDialog( editor, 'find' );
});
CKEDITOR.dialog.add( 'replace', function( editor )
{
return findDialog( editor, 'replace' );
});
})();
?>