$.fn.extend({
focus: ( function ( jqFocus ) {
return function () {
+ var $w, state, result;
if ( arguments.length === 0 ) {
- var $w = $( window );
- var state = {top: $w.scrollTop(), left: $w.scrollLeft()};
- var result = jqFocus.apply( this, arguments );
+ $w = $( window );
+ state = {top: $w.scrollTop(), left: $w.scrollLeft()};
+ result = jqFocus.apply( this, arguments );
window.scrollTo( state.top, state.left );
return result;
}
}
$.fn.textSelection = function ( command, options ) {
+ var fn,
+ context,
+ hasIframe,
+ needSave,
+ retval;
/**
* Helper function to get an IE TextRange object for an element
}
}
- var fn = {
+ fn = {
/**
* Get the contents of the textarea
*/
* in some browsers (IE/Opera)
*/
getSelection: function () {
- var e = this.get( 0 );
- var retval = '';
- if ( $(e).is( ':hidden' ) ) {
+ var retval, range,
+ el = this.get( 0 );
+
+ if ( $(el).is( ':hidden' ) ) {
// Do nothing
+ retval = '';
} else if ( document.selection && document.selection.createRange ) {
- activateElementOnIE( e );
- var range = document.selection.createRange();
+ activateElementOnIE( el );
+ range = document.selection.createRange();
retval = range.text;
- } else if ( e.selectionStart || e.selectionStart === 0 ) {
- retval = e.value.substring( e.selectionStart, e.selectionEnd );
+ } else if ( el.selectionStart || el.selectionStart === 0 ) {
+ retval = el.value.substring( el.selectionStart, el.selectionEnd );
}
+
return retval;
},
/**
* Ported from skins/common/edit.js by Trevor Parscal
* (c) 2009 Wikimedia Foundation (GPLv2) - http://www.wikimedia.org
*
- * Inserts text at the begining and end of a text selection, optionally
+ * Inserts text at the beginning and end of a text selection, optionally
* inserting text at the caret when selection is empty.
*
* @fixme document the options parameters
encapsulateSelection: function ( options ) {
return this.each( function () {
var selText, scrollTop, insertText,
+ isSample, range, range2, range3, startPos, endPos,
pre = options.pre,
post = options.post;
* Wrap each line of the selected text with pre and post
*/
function doSplitLines( selText, pre, post ) {
- var insertText = '';
- var selTextArr = selText.split( '\n' );
- for ( var i = 0; i < selTextArr.length; i++ ) {
+ var i,
+ insertText = '',
+ selTextArr = selText.split( '\n' );
+ for ( i = 0; i < selTextArr.length; i++ ) {
insertText += pre + selTextArr[i] + post;
if ( i !== selTextArr.length - 1 ) {
insertText += '\n';
return insertText;
}
- var isSample = false;
+ isSample = false;
if ( this.style.display === 'none' ) {
// Do nothing
} else if ( document.selection && document.selection.createRange ) {
selText = $(this).textSelection( 'getSelection' );
scrollTop = this.scrollTop;
- var range = document.selection.createRange();
+ range = document.selection.createRange();
checkSelectedText();
insertText = pre + selText + post;
insertText = doSplitLines( selText, pre, post );
}
if ( options.ownline && range.moveStart ) {
- var range2 = document.selection.createRange();
+ range2 = document.selection.createRange();
range2.collapse();
range2.moveStart( 'character', -1 );
// FIXME: Which check is correct?
- if ( range2.text !== "\r" && range2.text !== "\n" && range2.text !== "" ) {
- insertText = "\n" + insertText;
- pre += "\n";
+ if ( range2.text !== '\r' && range2.text !== '\n' && range2.text !== '' ) {
+ insertText = '\n' + insertText;
+ pre += '\n';
}
- var range3 = document.selection.createRange();
+ range3 = document.selection.createRange();
range3.collapse( false );
range3.moveEnd( 'character', 1 );
- if ( range3.text !== "\r" && range3.text !== "\n" && range3.text !== "" ) {
- insertText += "\n";
- post += "\n";
+ if ( range3.text !== '\r' && range3.text !== '\n' && range3.text !== '' ) {
+ insertText += '\n';
+ post += '\n';
}
}
}
selText = $(this).textSelection( 'getSelection' );
- var startPos = this.selectionStart;
- var endPos = this.selectionEnd;
+ startPos = this.selectionStart;
+ endPos = this.selectionEnd;
scrollTop = this.scrollTop;
checkSelectedText();
if ( options.selectionStart !== undefined
insertText = doSplitLines( selText, pre, post );
}
if ( options.ownline ) {
- if ( startPos !== 0 && this.value.charAt( startPos - 1 ) !== "\n" && this.value.charAt( startPos - 1 ) !== "\r" ) {
- insertText = "\n" + insertText;
- pre += "\n";
+ if ( startPos !== 0 && this.value.charAt( startPos - 1 ) !== '\n' && this.value.charAt( startPos - 1 ) !== '\r' ) {
+ insertText = '\n' + insertText;
+ pre += '\n';
}
- if ( this.value.charAt( endPos ) !== "\n" && this.value.charAt( endPos ) !== "\r" ) {
- insertText += "\n";
- post += "\n";
+ if ( this.value.charAt( endPos ) !== '\n' && this.value.charAt( endPos ) !== '\r' ) {
+ insertText += '\n';
+ post += '\n';
}
}
this.value = this.value.substring( 0, startPos ) + insertText +
// Setting this.value scrolls the textarea to the top, restore the scroll position
this.scrollTop = scrollTop;
if ( window.opera ) {
- pre = pre.replace( /\r?\n/g, "\r\n" );
- selText = selText.replace( /\r?\n/g, "\r\n" );
- post = post.replace( /\r?\n/g, "\r\n" );
+ pre = pre.replace( /\r?\n/g, '\r\n' );
+ selText = selText.replace( /\r?\n/g, '\r\n' );
+ post = post.replace( /\r?\n/g, '\r\n' );
}
if ( isSample && options.selectPeri && !options.splitlines ) {
this.selectionStart = startPos + pre.length;
* Some code copied from
* http://www.dedestruct.com/2008/03/22/howto-cross-browser-cursor-position-in-textareas/
*
- * Get the position (in resolution of bytes not nessecarily characters)
+ * Get the position (in resolution of bytes not necessarily characters)
* in a textarea
*
* Will focus the textarea in some browsers (IE/Opera)
*/
getCaretPosition: function ( options ) {
function getCaret( e ) {
- var caretPos = 0, endPos = 0;
+ var caretPos = 0,
+ endPos = 0,
+ preText, rawPreText, periText,
+ rawPeriText, postText, rawPostText,
+ // IE Support
+ preFinished,
+ periFinished,
+ postFinished,
+ // Range containing text in the selection
+ periRange,
+ // Range containing text before the selection
+ preRange,
+ // Range containing text after the selection
+ postRange;
+
if ( document.selection && document.selection.createRange ) {
// IE doesn't properly report non-selected caret position through
// the selection ranges when textarea isn't focused. This can
// whatever we do later (bug 31847).
activateElementOnIE( e );
- // IE Support
- var preFinished = false;
- var periFinished = false;
- var postFinished = false;
- var preText, rawPreText, periText;
- var rawPeriText, postText, rawPostText;
- // Create range containing text in the selection
- var periRange = document.selection.createRange().duplicate();
- // Create range containing text before the selection
- var preRange = rangeForElementIE( e );
+ preFinished = false;
+ periFinished = false;
+ postFinished = false;
+ periRange = document.selection.createRange().duplicate();
+
+ preRange = rangeForElementIE( e ),
// Move the end where we need it
preRange.setEndPoint( 'EndToStart', periRange );
- // Create range containing text after the selection
- var postRange = rangeForElementIE( e );
+
+ postRange = rangeForElementIE( e );
// Move the start where we need it
postRange.setEndPoint( 'StartToEnd', periRange );
+
// Load the text values we need to compare
preText = rawPreText = preRange.text;
periText = rawPeriText = periRange.text;
postText = rawPostText = postRange.text;
+
/*
* Check each range for trimmed newlines by shrinking the range by 1
* character and seeing if the text property has changed. If it has
} else {
preRange.moveEnd( 'character', -1 );
if ( preRange.text === preText ) {
- rawPreText += "\r\n";
+ rawPreText += '\r\n';
} else {
preFinished = true;
}
} else {
periRange.moveEnd( 'character', -1 );
if ( periRange.text === periText ) {
- rawPeriText += "\r\n";
+ rawPeriText += '\r\n';
} else {
periFinished = true;
}
} else {
postRange.moveEnd( 'character', -1 );
if ( postRange.text === postText ) {
- rawPostText += "\r\n";
+ rawPostText += '\r\n';
} else {
postFinished = true;
}
}
}
} while ( ( !preFinished || !periFinished || !postFinished ) );
- caretPos = rawPreText.replace( /\r\n/g, "\n" ).length;
- endPos = caretPos + rawPeriText.replace( /\r\n/g, "\n" ).length;
+ caretPos = rawPreText.replace( /\r\n/g, '\n' ).length;
+ endPos = caretPos + rawPeriText.replace( /\r\n/g, '\n' ).length;
} else if ( e.selectionStart || e.selectionStart === 0 ) {
// Firefox support
caretPos = e.selectionStart;
*/
setSelection: function ( options ) {
return this.each( function () {
+ var selection, length, newLines;
if ( $(this).is( ':hidden' ) ) {
// Do nothing
} else if ( this.selectionStart || this.selectionStart === 0 ) {
this.selectionEnd = options.end;
}
} else if ( document.body.createTextRange ) {
- var selection = rangeForElementIE( this );
- var length = this.value.length;
+ selection = rangeForElementIE( this );
+ length = this.value.length;
// IE doesn't count \n when computing the offset, so we won't either
- var newLines = this.value.match( /\n/g );
+ newLines = this.value.match( /\n/g );
if ( newLines ) {
length = length - newLines.length;
}
// Silence that error
try {
selection.select();
- } catch( e ) { }
+ } catch ( e ) { }
}
});
},
return Math.floor( e.scrollWidth / ( $.client.profile().platform === 'linux' ? 7 : 8 ) );
}
function getCaretScrollPosition( e ) {
- var i, j;
// FIXME: This functions sucks and is off by a few lines most
// of the time. It should be replaced by something decent.
- var text = e.value.replace( /\r/g, '' );
- var caret = $( e ).textSelection( 'getCaretPosition' );
- var lineLength = getLineLength( e );
- var row = 0;
- var charInLine = 0;
- var lastSpaceInLine = 0;
+ var i, j,
+ nextSpace,
+ text = e.value.replace( /\r/g, '' ),
+ caret = $( e ).textSelection( 'getCaretPosition' ),
+ lineLength = getLineLength( e ),
+ row = 0,
+ charInLine = 0,
+ lastSpaceInLine = 0;
+
for ( i = 0; i < caret; i++ ) {
charInLine++;
if ( text.charAt( i ) === ' ' ) {
lastSpaceInLine = charInLine;
- } else if ( text.charAt( i ) === "\n" ) {
+ } else if ( text.charAt( i ) === '\n' ) {
lastSpaceInLine = 0;
charInLine = 0;
row++;
}
}
}
- var nextSpace = 0;
+ nextSpace = 0;
for ( j = caret; j < caret + lineLength; j++ ) {
if (
text.charAt( j ) === ' ' ||
- text.charAt( j ) === "\n" ||
+ text.charAt( j ) === '\n' ||
caret === text.length
) {
nextSpace = j;
return ( $.client.profile().platform === 'mac' ? 13 : ( $.client.profile().platform === 'linux' ? 15 : 16 ) ) * row;
}
return this.each(function () {
+ var scroll, range, savedRange, pos, oldScrollTop;
if ( $(this).is( ':hidden' ) ) {
// Do nothing
} else if ( this.selectionStart || this.selectionStart === 0 ) {
// Mozilla
- var scroll = getCaretScrollPosition( this );
+ scroll = getCaretScrollPosition( this );
if ( options.force || scroll < $(this).scrollTop() ||
scroll > $(this).scrollTop() + $(this).height() ) {
$(this).scrollTop( scroll );
* cover that case, we'll force it to act by moving one
* character back and forth.
*/
- var range = document.body.createTextRange();
- var savedRange = document.selection.createRange();
- var pos = $(this).textSelection( 'getCaretPosition' );
- var oldScrollTop = this.scrollTop;
+ range = document.body.createTextRange();
+ savedRange = document.selection.createRange();
+ pos = $(this).textSelection( 'getCaretPosition' );
+ oldScrollTop = this.scrollTop;
range.moveToElementText( this );
range.collapse();
range.move( 'character', pos + 1);
break;
}
- var context = $(this).data( 'wikiEditor-context' );
- var hasIframe = typeof context !== 'undefined' && context && typeof context.$iframe !== 'undefined';
+ context = $(this).data( 'wikiEditor-context' );
+ hasIframe = context !== undefined && context && context.$iframe !== undefined;
// IE selection restore voodoo
- var needSave = false;
+ needSave = false;
if ( hasIframe && context.savedSelection !== null ) {
context.fn.restoreSelection();
needSave = true;
}
- var retval = ( hasIframe ? context.fn : fn )[command].call( this, options );
+ retval = ( hasIframe ? context.fn : fn )[command].call( this, options );
if ( hasIframe && needSave ) {
context.fn.saveSelection();
}