/**
* These plugins provide extra functionality for interaction with textareas.
*/
-( function( $ ) {
+( function ( $ ) {
+ /*jshint noempty:false */
-if (document.selection && document.selection.createRange) {
- // On IE, patch the focus() method to restore the windows' scroll position
- // (bug 32241)
- $.fn.extend({
- focus : (function ( _focus ) {
- return function () {
- if ( arguments.length == 0 ) {
- var $w = $( window );
- var state = {top: $w.scrollTop(), left: $w.scrollLeft()};
- var result = _focus.apply( this, arguments );
- window.scrollTo( state.top, state.left );
- return result;
- }
- return _focus.apply( this, arguments );
- };
- })( $.fn.focus )
- });
-}
-
-$.fn.textSelection = function( command, options ) {
-
-/**
- * Helper function to get an IE TextRange object for an element
- */
-function rangeForElementIE( e ) {
- if ( e.nodeName.toLowerCase() == 'input' ) {
- return e.createTextRange();
- } else {
- var sel = document.body.createTextRange();
- sel.moveToElementText( e );
- return sel;
- }
-}
-
-/**
- * Helper function for IE for activating the textarea. Called only in the
- * IE-specific code paths below; makes use of IE-specific non-standard
- * function setActive() if possible to avoid screen flicker.
- */
-function activateElementOnIE( element ) {
- if ( element.setActive ) {
- element.setActive(); // bug 32241: doesn't scroll
- } else {
- $( element ).focus(); // may scroll (but we patched it above)
+ if ( document.selection && document.selection.createRange ) {
+ // On IE, patch the focus() method to restore the windows' scroll position
+ // (bug 32241)
+ $.fn.extend({
+ focus: ( function ( jqFocus ) {
+ return function () {
+ var $w, state, result;
+ if ( arguments.length === 0 ) {
+ $w = $( window );
+ state = {top: $w.scrollTop(), left: $w.scrollLeft()};
+ result = jqFocus.apply( this, arguments );
+ window.scrollTo( state.top, state.left );
+ return result;
+ }
+ return jqFocus.apply( this, arguments );
+ };
+ }( $.fn.focus ) )
+ });
}
-}
-var fn = {
-/**
- * Get the contents of the textarea
- */
-getContents: function() {
- return this.val();
-},
-/**
- * Get the currently selected text in this textarea. Will focus the textarea
- * in some browsers (IE/Opera)
- */
-getSelection: function() {
- var e = this.get( 0 );
- var retval = '';
- if ( $(e).is( ':hidden' ) ) {
- // Do nothing
- } else if ( document.selection && document.selection.createRange ) {
- activateElementOnIE( e );
- var range = document.selection.createRange();
- retval = range.text;
- } else if ( e.selectionStart || e.selectionStart == '0' ) {
- retval = e.value.substring( e.selectionStart, e.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
- * inserting text at the caret when selection is empty.
- *
- * @fixme document the options parameters
- */
-encapsulateSelection: function( options ) {
- return this.each( function() {
- var pre = options.pre, post = options.post;
+ $.fn.textSelection = function ( command, options ) {
/**
- * Check if the selected text is the same as the insert text
+ * Helper function to get an IE TextRange object for an element
*/
- function checkSelectedText() {
- if ( !selText ) {
- selText = options.peri;
- isSample = true;
- } else if ( options.replace ) {
- selText = options.peri;
+ function rangeForElementIE( e ) {
+ if ( e.nodeName.toLowerCase() === 'input' ) {
+ return e.createTextRange();
} else {
- while ( selText.charAt( selText.length - 1 ) == ' ' ) {
- // Exclude ending space char
- selText = selText.substring( 0, selText.length - 1 );
- post += ' ';
- }
- while ( selText.charAt( 0 ) == ' ' ) {
- // Exclude prepending space char
- selText = selText.substring( 1, selText.length );
- pre = ' ' + pre;
- }
+ var sel = document.body.createTextRange();
+ sel.moveToElementText( e );
+ return sel;
}
}
/**
- * Do the splitlines stuff.
- *
- * Wrap each line of the selected text with pre and post
+ * Helper function for IE for activating the textarea. Called only in the
+ * IE-specific code paths below; makes use of IE-specific non-standard
+ * function setActive() if possible to avoid screen flicker.
*/
- function doSplitLines( selText, pre, post ) {
- var insertText = '';
- var selTextArr = selText.split( '\n' );
- for ( var i = 0; i < selTextArr.length; i++ ) {
- insertText += pre + selTextArr[i] + post;
- if ( i != selTextArr.length - 1 ) {
- insertText += '\n';
- }
+ function activateElementOnIE( element ) {
+ if ( element.setActive ) {
+ element.setActive(); // bug 32241: doesn't scroll
+ } else {
+ $( element ).focus(); // may scroll (but we patched it above)
}
- return insertText;
}
- var isSample = false;
- if ( this.style.display == 'none' ) {
- // Do nothing
- } else if ( document.selection && document.selection.createRange ) {
- // IE
+ var fn = {
+ /**
+ * Get the contents of the textarea
+ */
+ getContents: function () {
+ return this.val();
+ },
+ /**
+ * Get the currently selected text in this textarea. Will focus the textarea
+ * in some browsers (IE/Opera)
+ */
+ getSelection: function () {
+ var retval, range,
+ el = this.get( 0 );
- // Note that IE9 will trigger the next section unless we check this first.
- // See bug 35201.
+ if ( $(el).is( ':hidden' ) ) {
+ // Do nothing
+ retval = '';
+ } else if ( document.selection && document.selection.createRange ) {
+ activateElementOnIE( el );
+ range = document.selection.createRange();
+ retval = range.text;
+ } else if ( el.selectionStart || el.selectionStart === 0 ) {
+ retval = el.value.substring( el.selectionStart, el.selectionEnd );
+ }
- activateElementOnIE( this );
- if ( context ) {
- context.fn.restoreCursorAndScrollTop();
- }
- if ( options.selectionStart !== undefined ) {
- $(this).textSelection( 'setSelection', { 'start': options.selectionStart, 'end': options.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
+ * 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;
+
+ /**
+ * Check if the selected text is the same as the insert text
+ */
+ function checkSelectedText() {
+ if ( !selText ) {
+ selText = options.peri;
+ isSample = true;
+ } else if ( options.replace ) {
+ selText = options.peri;
+ } else {
+ while ( selText.charAt( selText.length - 1 ) === ' ' ) {
+ // Exclude ending space char
+ selText = selText.substring( 0, selText.length - 1 );
+ post += ' ';
+ }
+ while ( selText.charAt( 0 ) === ' ' ) {
+ // Exclude prepending space char
+ selText = selText.substring( 1, selText.length );
+ pre = ' ' + pre;
+ }
+ }
+ }
- var selText = $(this).textSelection( 'getSelection' );
- var scrollTop = this.scrollTop;
- var range = document.selection.createRange();
+ /**
+ * Do the splitlines stuff.
+ *
+ * Wrap each line of the selected text with pre and post
+ */
+ function doSplitLines( selText, pre, post ) {
+ 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;
+ }
- checkSelectedText();
- var insertText = pre + selText + post;
- if ( options.splitlines ) {
- insertText = doSplitLines( selText, pre, post );
- }
- if ( options.ownline && range.moveStart ) {
- var 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";
- }
- var range3 = document.selection.createRange();
- range3.collapse( false );
- range3.moveEnd( 'character', 1 );
- if ( range3.text != "\r" && range3.text != "\n" && range3.text != "" ) {
- insertText += "\n";
- post += "\n";
- }
- }
+ isSample = false;
+ if ( this.style.display === 'none' ) {
+ // Do nothing
+ } else if ( document.selection && document.selection.createRange ) {
+ // IE
- range.text = insertText;
- if ( isSample && options.selectPeri && range.moveStart ) {
- range.moveStart( 'character', - post.length - selText.length );
- range.moveEnd( 'character', - post.length );
- }
- range.select();
- // Restore the scroll position
- this.scrollTop = scrollTop;
- } else if ( this.selectionStart || this.selectionStart == '0' ) {
- // Mozilla/Opera
+ // Note that IE9 will trigger the next section unless we check this first.
+ // See bug 35201.
- $(this).focus();
- if ( options.selectionStart !== undefined ) {
- $(this).textSelection( 'setSelection', { 'start': options.selectionStart, 'end': options.selectionEnd } );
- }
-
- var selText = $(this).textSelection( 'getSelection' );
- var startPos = this.selectionStart;
- var endPos = this.selectionEnd;
- var scrollTop = this.scrollTop;
- checkSelectedText();
- if ( options.selectionStart !== undefined
- && endPos - startPos != options.selectionEnd - options.selectionStart )
- {
- // This means there is a difference in the selection range returned by browser and what we passed.
- // This happens for Chrome in the case of composite characters. Ref bug #30130
- // Set the startPos to the correct position.
- startPos = options.selectionStart;
- }
+ activateElementOnIE( this );
+ if ( context ) {
+ context.fn.restoreCursorAndScrollTop();
+ }
+ if ( options.selectionStart !== undefined ) {
+ $(this).textSelection( 'setSelection', { 'start': options.selectionStart, 'end': options.selectionEnd } );
+ }
- var insertText = pre + selText + post;
- if ( options.splitlines ) {
- 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 ( this.value.charAt( endPos ) != "\n" && this.value.charAt( endPos ) != "\r" ) {
- insertText += "\n";
- post += "\n";
- }
- }
- this.value = this.value.substring( 0, startPos ) + insertText +
- this.value.substring( endPos, this.value.length );
- // 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" );
- }
- if ( isSample && options.selectPeri && !options.splitlines ) {
- this.selectionStart = startPos + pre.length;
- this.selectionEnd = startPos + pre.length + selText.length;
- } else {
- this.selectionStart = startPos + insertText.length;
- this.selectionEnd = this.selectionStart;
- }
- }
- $(this).trigger( 'encapsulateSelection', [ options.pre, options.peri, options.post, options.ownline,
- options.replace, options.spitlines ] );
- });
-},
-/**
- * Ported from Wikia's LinkSuggest extension
- * https://svn.wikia-code.com/wikia/trunk/extensions/wikia/LinkSuggest
- * 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)
- * in a textarea
- *
- * Will focus the textarea in some browsers (IE/Opera)
- *
- * @fixme document the options parameters
- */
- getCaretPosition: function( options ) {
- function getCaret( e ) {
- var caretPos = 0, endPos = 0;
- 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
- // lead to saving a bogus empty selection, which then screws up
- // whatever we do later (bug 31847).
- activateElementOnIE( e );
+ selText = $(this).textSelection( 'getSelection' );
+ scrollTop = this.scrollTop;
+ range = document.selection.createRange();
- // 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 );
- // Move the end where we need it
- preRange.setEndPoint("EndToStart", periRange);
- // Create range containing text after the selection
- var 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
- * not changed then we know that IE has trimmed a \r\n from the end.
- */
- do {
- if ( !preFinished ) {
- if ( preRange.compareEndPoints( "StartToEnd", preRange ) == 0 ) {
- preFinished = true;
- } else {
- preRange.moveEnd( "character", -1 );
- if ( preRange.text == preText ) {
- rawPreText += "\r\n";
+ checkSelectedText();
+ insertText = pre + selText + post;
+ if ( options.splitlines ) {
+ insertText = doSplitLines( selText, pre, post );
+ }
+ if ( options.ownline && range.moveStart ) {
+ 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";
+ }
+ range3 = document.selection.createRange();
+ range3.collapse( false );
+ range3.moveEnd( 'character', 1 );
+ if ( range3.text !== "\r" && range3.text !== "\n" && range3.text !== "" ) {
+ insertText += "\n";
+ post += "\n";
+ }
+ }
+
+ range.text = insertText;
+ if ( isSample && options.selectPeri && range.moveStart ) {
+ range.moveStart( 'character', - post.length - selText.length );
+ range.moveEnd( 'character', - post.length );
+ }
+ range.select();
+ // Restore the scroll position
+ this.scrollTop = scrollTop;
+ } else if ( this.selectionStart || this.selectionStart === 0 ) {
+ // Mozilla/Opera
+
+ $(this).focus();
+ if ( options.selectionStart !== undefined ) {
+ $(this).textSelection( 'setSelection', { 'start': options.selectionStart, 'end': options.selectionEnd } );
+ }
+
+ selText = $(this).textSelection( 'getSelection' );
+ startPos = this.selectionStart;
+ endPos = this.selectionEnd;
+ scrollTop = this.scrollTop;
+ checkSelectedText();
+ if ( options.selectionStart !== undefined
+ && endPos - startPos !== options.selectionEnd - options.selectionStart )
+ {
+ // This means there is a difference in the selection range returned by browser and what we passed.
+ // This happens for Chrome in the case of composite characters. Ref bug #30130
+ // Set the startPos to the correct position.
+ startPos = options.selectionStart;
+ }
+
+ insertText = pre + selText + post;
+ if ( options.splitlines ) {
+ 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 ( this.value.charAt( endPos ) !== "\n" && this.value.charAt( endPos ) !== "\r" ) {
+ insertText += "\n";
+ post += "\n";
+ }
+ }
+ this.value = this.value.substring( 0, startPos ) + insertText +
+ this.value.substring( endPos, this.value.length );
+ // 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" );
+ }
+ if ( isSample && options.selectPeri && !options.splitlines ) {
+ this.selectionStart = startPos + pre.length;
+ this.selectionEnd = startPos + pre.length + selText.length;
} else {
- preFinished = true;
+ this.selectionStart = startPos + insertText.length;
+ this.selectionEnd = this.selectionStart;
}
}
+ $(this).trigger( 'encapsulateSelection', [ options.pre, options.peri, options.post, options.ownline,
+ options.replace, options.spitlines ] );
+ });
+ },
+ /**
+ * Ported from Wikia's LinkSuggest extension
+ * https://svn.wikia-code.com/wikia/trunk/extensions/wikia/LinkSuggest
+ * 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)
+ * in a textarea
+ *
+ * Will focus the textarea in some browsers (IE/Opera)
+ *
+ * @fixme document the options parameters
+ */
+ getCaretPosition: function ( options ) {
+ function getCaret( e ) {
+ var caretPos = 0, endPos = 0;
+ 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
+ // lead to saving a bogus empty selection, which then screws up
+ // whatever we do later (bug 31847).
+ activateElementOnIE( e );
+
+ var
+ preText, rawPreText, periText,
+ rawPeriText, postText, rawPostText,
+
+ // IE Support
+ preFinished = false,
+ periFinished = false,
+ postFinished = false,
+ // Range containing text in the selection
+ periRange = document.selection.createRange().duplicate(),
+ // Range containing text before the selection
+ preRange,
+ // Range containing text after the selection
+ postRange;
+
+ preRange = rangeForElementIE( e ),
+ // Move the end where we need it
+ preRange.setEndPoint( 'EndToStart', periRange );
+
+ 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
+ * not changed then we know that IE has trimmed a \r\n from the end.
+ */
+ do {
+ if ( !preFinished ) {
+ if ( preRange.compareEndPoints( 'StartToEnd', preRange ) === 0 ) {
+ preFinished = true;
+ } else {
+ preRange.moveEnd( 'character', -1 );
+ if ( preRange.text === preText ) {
+ rawPreText += "\r\n";
+ } else {
+ preFinished = true;
+ }
+ }
+ }
+ if ( !periFinished ) {
+ if ( periRange.compareEndPoints( 'StartToEnd', periRange ) === 0 ) {
+ periFinished = true;
+ } else {
+ periRange.moveEnd( 'character', -1 );
+ if ( periRange.text === periText ) {
+ rawPeriText += "\r\n";
+ } else {
+ periFinished = true;
+ }
+ }
+ }
+ if ( !postFinished ) {
+ if ( postRange.compareEndPoints( 'StartToEnd', postRange ) === 0 ) {
+ postFinished = true;
+ } else {
+ postRange.moveEnd( 'character', -1 );
+ if ( postRange.text === postText ) {
+ 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;
+ } else if ( e.selectionStart || e.selectionStart === 0 ) {
+ // Firefox support
+ caretPos = e.selectionStart;
+ endPos = e.selectionEnd;
+ }
+ return options.startAndEnd ? [ caretPos, endPos ] : caretPos;
}
- if ( !periFinished ) {
- if ( periRange.compareEndPoints( "StartToEnd", periRange ) == 0 ) {
- periFinished = true;
- } else {
- periRange.moveEnd( "character", -1 );
- if ( periRange.text == periText ) {
- rawPeriText += "\r\n";
+ return getCaret( this.get( 0 ) );
+ },
+ /**
+ * @fixme document the options parameters
+ */
+ setSelection: function ( options ) {
+ return this.each( function () {
+ var selection, length, newLines;
+ if ( $(this).is( ':hidden' ) ) {
+ // Do nothing
+ } else if ( this.selectionStart || this.selectionStart === 0 ) {
+ // Opera 9.0 doesn't allow setting selectionStart past
+ // selectionEnd; any attempts to do that will be ignored
+ // Make sure to set them in the right order
+ if ( options.start > this.selectionEnd ) {
+ this.selectionEnd = options.end;
+ this.selectionStart = options.start;
} else {
- periFinished = true;
+ this.selectionStart = options.start;
+ this.selectionEnd = options.end;
}
+ } else if ( document.body.createTextRange ) {
+ selection = rangeForElementIE( this );
+ length = this.value.length;
+ // IE doesn't count \n when computing the offset, so we won't either
+ newLines = this.value.match( /\n/g );
+ if ( newLines ) {
+ length = length - newLines.length;
+ }
+ selection.moveStart( 'character', options.start );
+ selection.moveEnd( 'character', -length + options.end );
+
+ // This line can cause an error under certain circumstances (textarea empty, no selection)
+ // Silence that error
+ try {
+ selection.select();
+ } catch ( e ) { }
}
+ });
+ },
+ /**
+ * Ported from Wikia's LinkSuggest extension
+ * https://svn.wikia-code.com/wikia/trunk/extensions/wikia/LinkSuggest
+ *
+ * Scroll a textarea to the current cursor position. You can set the cursor
+ * position with setSelection()
+ * @param options boolean Whether to force a scroll even if the caret position
+ * is already visible. Defaults to false
+ *
+ * @fixme document the options parameters (function body suggests options.force is a boolean, not options itself)
+ */
+ scrollToCaretPosition: function ( options ) {
+ function getLineLength( e ) {
+ return Math.floor( e.scrollWidth / ( $.client.profile().platform === 'linux' ? 7 : 8 ) );
}
- if ( !postFinished ) {
- if ( postRange.compareEndPoints("StartToEnd", postRange) == 0 ) {
- postFinished = true;
- } else {
- postRange.moveEnd( "character", -1 );
- if ( postRange.text == postText ) {
- rawPostText += "\r\n";
- } else {
- postFinished = true;
+ 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;
+ for ( i = 0; i < caret; i++ ) {
+ charInLine++;
+ if ( text.charAt( i ) === ' ' ) {
+ lastSpaceInLine = charInLine;
+ } else if ( text.charAt( i ) === "\n" ) {
+ lastSpaceInLine = 0;
+ charInLine = 0;
+ row++;
+ }
+ if ( charInLine > lineLength ) {
+ if ( lastSpaceInLine > 0 ) {
+ charInLine = charInLine - lastSpaceInLine;
+ lastSpaceInLine = 0;
+ row++;
+ }
+ }
+ }
+ var nextSpace = 0;
+ for ( j = caret; j < caret + lineLength; j++ ) {
+ if (
+ text.charAt( j ) === ' ' ||
+ text.charAt( j ) === "\n" ||
+ caret === text.length
+ ) {
+ nextSpace = j;
+ break;
}
}
+ if ( nextSpace > lineLength && caret <= lineLength ) {
+ charInLine = caret - lastSpaceInLine;
+ row++;
+ }
+ return ( $.client.profile().platform === 'mac' ? 13 : ( $.client.profile().platform === 'linux' ? 15 : 16 ) ) * row;
}
- } while ( ( !preFinished || !periFinished || !postFinished ) );
- 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;
- endPos = e.selectionEnd;
- }
- return options.startAndEnd ? [ caretPos, endPos ] : caretPos;
- }
- return getCaret( this.get( 0 ) );
-},
-/**
- * @fixme document the options parameters
- */
-setSelection: function( options ) {
- return this.each( function() {
- if ( $(this).is( ':hidden' ) ) {
- // Do nothing
- } else if ( this.selectionStart || this.selectionStart == '0' ) {
- // Opera 9.0 doesn't allow setting selectionStart past
- // selectionEnd; any attempts to do that will be ignored
- // Make sure to set them in the right order
- if ( options.start > this.selectionEnd ) {
- this.selectionEnd = options.end;
- this.selectionStart = options.start;
- } else {
- this.selectionStart = options.start;
- this.selectionEnd = options.end;
+ return this.each(function () {
+ var scroll, range, savedRange, pos, oldScrollTop;
+ if ( $(this).is( ':hidden' ) ) {
+ // Do nothing
+ } else if ( this.selectionStart || this.selectionStart === 0 ) {
+ // Mozilla
+ scroll = getCaretScrollPosition( this );
+ if ( options.force || scroll < $(this).scrollTop() ||
+ scroll > $(this).scrollTop() + $(this).height() ) {
+ $(this).scrollTop( scroll );
+ }
+ } else if ( document.selection && document.selection.createRange ) {
+ // IE / Opera
+ /*
+ * IE automatically scrolls the selected text to the
+ * bottom of the textarea at range.select() time, except
+ * if it was already in view and the cursor position
+ * wasn't changed, in which case it does nothing. To
+ * cover that case, we'll force it to act by moving one
+ * character back and forth.
+ */
+ 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);
+ range.select();
+ if ( this.scrollTop !== oldScrollTop ) {
+ this.scrollTop += range.offsetTop;
+ } else if ( options.force ) {
+ range.move( 'character', -1 );
+ range.select();
+ }
+ savedRange.select();
+ }
+ $(this).trigger( 'scrollToPosition' );
+ } );
}
- } else if ( document.body.createTextRange ) {
- var selection = rangeForElementIE( this );
- var 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 );
- if ( newLines ) length = length - newLines.length;
- selection.moveStart( 'character', options.start );
- selection.moveEnd( 'character', -length + options.end );
+ };
- // This line can cause an error under certain circumstances (textarea empty, no selection)
- // Silence that error
- try {
- selection.select();
- } catch( e ) { }
- }
- });
-},
-/**
- * Ported from Wikia's LinkSuggest extension
- * https://svn.wikia-code.com/wikia/trunk/extensions/wikia/LinkSuggest
- *
- * Scroll a textarea to the current cursor position. You can set the cursor
- * position with setSelection()
- * @param options boolean Whether to force a scroll even if the caret position
- * is already visible. Defaults to false
- *
- * @fixme document the options parameters (function body suggests options.force is a boolean, not options itself)
- */
-scrollToCaretPosition: function( options ) {
- function getLineLength( e ) {
- return Math.floor( e.scrollWidth / ( $.client.profile().platform == 'linux' ? 7 : 8 ) );
- }
- function getCaretScrollPosition( e ) {
- // 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;
- for ( i = 0; i < caret; i++ ) {
- charInLine++;
- if ( text.charAt( i ) == " " ) {
- lastSpaceInLine = charInLine;
- } else if ( text.charAt( i ) == "\n" ) {
- lastSpaceInLine = 0;
- charInLine = 0;
- row++;
- }
- if ( charInLine > lineLength ) {
- if ( lastSpaceInLine > 0 ) {
- charInLine = charInLine - lastSpaceInLine;
- lastSpaceInLine = 0;
- row++;
+ // Apply defaults
+ switch ( command ) {
+ //case 'getContents': // no params
+ //case 'setContents': // no params with defaults
+ //case 'getSelection': // no params
+ case 'encapsulateSelection':
+ options = $.extend( {
+ pre: '', // Text to insert before the cursor/selection
+ peri: '', // Text to insert between pre and post and select afterwards
+ post: '', // Text to insert after the cursor/selection
+ ownline: false, // Put the inserted text on a line of its own
+ replace: false, // If there is a selection, replace it with peri instead of leaving it alone
+ selectPeri: true, // Select the peri text if it was inserted (but not if there was a selection and replace==false, or if splitlines==true)
+ splitlines: false, // If multiple lines are selected, encapsulate each line individually
+ selectionStart: undefined, // Position to start selection at
+ selectionEnd: undefined // Position to end selection at. Defaults to start
+ }, options );
+ break;
+ case 'getCaretPosition':
+ options = $.extend( {
+ // Return [start, end] instead of just start
+ startAndEnd: false
+ }, options );
+ // FIXME: We may not need character position-based functions if we insert markers in the right places
+ break;
+ case 'setSelection':
+ options = $.extend( {
+ // Position to start selection at
+ start: undefined,
+ // Position to end selection at. Defaults to start
+ end: undefined,
+ // Element to start selection in (iframe only)
+ startContainer: undefined,
+ // Element to end selection in (iframe only). Defaults to startContainer
+ endContainer: undefined
+ }, options );
+
+ if ( options.end === undefined ) {
+ options.end = options.start;
}
- }
- }
- var nextSpace = 0;
- for ( j = caret; j < caret + lineLength; j++ ) {
- if (
- text.charAt( j ) == " " ||
- text.charAt( j ) == "\n" ||
- caret == text.length
- ) {
- nextSpace = j;
+ if ( options.endContainer === undefined ) {
+ options.endContainer = options.startContainer;
+ }
+ // FIXME: We may not need character position-based functions if we insert markers in the right places
+ break;
+ case 'scrollToCaretPosition':
+ options = $.extend( {
+ force: false // Force a scroll even if the caret position is already visible
+ }, options );
break;
- }
}
- if ( nextSpace > lineLength && caret <= lineLength ) {
- charInLine = caret - lastSpaceInLine;
- row++;
+
+ var context = $(this).data( 'wikiEditor-context' );
+ var hasIframe = typeof context !== 'undefined' && context && typeof context.$iframe !== 'undefined';
+
+ // IE selection restore voodoo
+ var needSave = false;
+ if ( hasIframe && context.savedSelection !== null ) {
+ context.fn.restoreSelection();
+ needSave = true;
}
- return ( $.client.profile().platform == 'mac' ? 13 : ( $.client.profile().platform == 'linux' ? 15 : 16 ) ) * row;
- }
- return this.each(function() {
- if ( $(this).is( ':hidden' ) ) {
- // Do nothing
- } else if ( this.selectionStart || this.selectionStart == '0' ) {
- // Mozilla
- var scroll = getCaretScrollPosition( this );
- if ( options.force || scroll < $(this).scrollTop() ||
- scroll > $(this).scrollTop() + $(this).height() )
- $(this).scrollTop( scroll );
- } else if ( document.selection && document.selection.createRange ) {
- // IE / Opera
- /*
- * IE automatically scrolls the selected text to the
- * bottom of the textarea at range.select() time, except
- * if it was already in view and the cursor position
- * wasn't changed, in which case it does nothing. To
- * 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.moveToElementText( this );
- range.collapse();
- range.move( 'character', pos + 1);
- range.select();
- if ( this.scrollTop != oldScrollTop )
- this.scrollTop += range.offsetTop;
- else if ( options.force ) {
- range.move( 'character', -1 );
- range.select();
- }
- savedRange.select();
+ var retval = ( hasIframe ? context.fn : fn )[command].call( this, options );
+ if ( hasIframe && needSave ) {
+ context.fn.saveSelection();
}
- $(this).trigger( 'scrollToPosition' );
- } );
-}
-};
- // Apply defaults
- switch ( command ) {
- //case 'getContents': // no params
- //case 'setContents': // no params with defaults
- //case 'getSelection': // no params
- case 'encapsulateSelection':
- options = $.extend( {
- 'pre': '', // Text to insert before the cursor/selection
- 'peri': '', // Text to insert between pre and post and select afterwards
- 'post': '', // Text to insert after the cursor/selection
- 'ownline': false, // Put the inserted text on a line of its own
- 'replace': false, // If there is a selection, replace it with peri instead of leaving it alone
- 'selectPeri': true, // Select the peri text if it was inserted (but not if there was a selection and replace==false, or if splitlines==true)
- 'splitlines': false, // If multiple lines are selected, encapsulate each line individually
- 'selectionStart': undefined, // Position to start selection at
- 'selectionEnd': undefined // Position to end selection at. Defaults to start
- }, options );
- break;
- case 'getCaretPosition':
- options = $.extend( {
- 'startAndEnd': false // Return [start, end] instead of just start
- }, options );
- // FIXME: We may not need character position-based functions if we insert markers in the right places
- break;
- case 'setSelection':
- options = $.extend( {
- 'start': undefined, // Position to start selection at
- 'end': undefined, // Position to end selection at. Defaults to start
- 'startContainer': undefined, // Element to start selection in (iframe only)
- 'endContainer': undefined // Element to end selection in (iframe only). Defaults to startContainer
- }, options );
- if ( options.end === undefined )
- options.end = options.start;
- if ( options.endContainer == undefined )
- options.endContainer = options.startContainer;
- // FIXME: We may not need character position-based functions if we insert markers in the right places
- break;
- case 'scrollToCaretPosition':
- options = $.extend( {
- 'force': false // Force a scroll even if the caret position is already visible
- }, options );
- break;
- }
- var context = $(this).data( 'wikiEditor-context' );
- var hasIframe = typeof context !== 'undefined' && context && typeof context.$iframe !== 'undefined';
- // IE selection restore voodoo
- var needSave = false;
- if ( hasIframe && context.savedSelection !== null ) {
- context.fn.restoreSelection();
- needSave = true;
- }
- var retval = ( hasIframe ? context.fn : fn )[command].call( this, options );
- if ( hasIframe && needSave ) {
- context.fn.saveSelection();
- }
- return retval;
-};
-} )( jQuery );
+ return retval;
+ };
+
+}( jQuery ) );
dépôts / lhc / web / wiklou.git / blobdiff