* These plugins provide extra functionality for interaction with textareas.
*/
( function ( $ ) {
- /*jshint noempty:false */
-
if ( document.selection && document.selection.createRange ) {
// On IE, patch the focus() method to restore the windows' scroll position
// (bug 32241)
var $w, state, result;
if ( arguments.length === 0 ) {
$w = $( window );
- state = {top: $w.scrollTop(), left: $w.scrollLeft()};
+ state = { top: $w.scrollTop(), left: $w.scrollLeft() };
result = jqFocus.apply( this, arguments );
window.scrollTo( state.top, state.left );
return result;
el = this.get( 0 );
if ( $(el).is( ':hidden' ) ) {
- // Do nothing
retval = '';
} else if ( document.selection && document.selection.createRange ) {
activateElementOnIE( el );
}
isSample = false;
- if ( this.style.display === 'none' ) {
- // Do nothing
- } else if ( document.selection && document.selection.createRange ) {
- // IE
+ // Do nothing if display none
+ if ( this.style.display !== 'none' ) {
+ if ( document.selection && document.selection.createRange ) {
+ // IE
- // Note that IE9 will trigger the next section unless we check this first.
- // See bug 35201.
+ // Note that IE9 will trigger the next section unless we check this first.
+ // See bug 35201.
- activateElementOnIE( this );
- if ( context ) {
- context.fn.restoreCursorAndScrollTop();
- }
- if ( options.selectionStart !== undefined ) {
- $(this).textSelection( 'setSelection', { 'start': options.selectionStart, 'end': options.selectionEnd } );
- }
+ activateElementOnIE( this );
+ if ( context ) {
+ context.fn.restoreCursorAndScrollTop();
+ }
+ if ( options.selectionStart !== undefined ) {
+ $(this).textSelection( 'setSelection', { 'start': options.selectionStart, 'end': options.selectionEnd } );
+ }
- selText = $(this).textSelection( 'getSelection' );
- scrollTop = this.scrollTop;
- range = document.selection.createRange();
+ selText = $(this).textSelection( 'getSelection' );
+ scrollTop = this.scrollTop;
+ range = document.selection.createRange();
- 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';
+ checkSelectedText();
+ insertText = pre + selText + post;
+ if ( options.splitlines ) {
+ insertText = doSplitLines( selText, pre, post );
}
- 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 ( 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 } );
- }
+ 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;
- }
+ 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';
+ insertText = pre + selText + post;
+ if ( options.splitlines ) {
+ insertText = doSplitLines( selText, pre, post );
}
- if ( this.value.charAt( endPos ) !== '\n' && this.value.charAt( endPos ) !== '\r' ) {
- insertText += '\n';
- post += '\n';
+ 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.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,
setSelection: function ( options ) {
return this.each( function () {
var selection, length, newLines;
- if ( $(this).is( ':hidden' ) ) {
- // Do nothing
- } else if ( this.selectionStart || this.selectionStart === 0 ) {
- // Opera 9.0 doesn't allow setting selectionStart past
- // selectionEnd; any attempts to do that will be ignored
- // Make sure to set them in the right order
- if ( options.start > this.selectionEnd ) {
- this.selectionEnd = options.end;
- this.selectionStart = options.start;
- } else {
- this.selectionStart = options.start;
- this.selectionEnd = options.end;
- }
- } else if ( document.body.createTextRange ) {
- selection = rangeForElementIE( this );
- length = this.value.length;
- // IE doesn't count \n when computing the offset, so we won't either
- newLines = this.value.match( /\n/g );
- if ( newLines ) {
- length = length - newLines.length;
+ // Do nothing if hidden
+ if ( !$(this).is( ':hidden' ) ) {
+ 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;
+ }
+ } 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 ) { }
}
- 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 ) { }
}
});
},
}
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 = $(this).textSelection( 'getCaretPosition' );
- oldScrollTop = this.scrollTop;
- range.moveToElementText( this );
- range.collapse();
- range.move( 'character', pos + 1);
- range.select();
- if ( this.scrollTop !== oldScrollTop ) {
- this.scrollTop += range.offsetTop;
- } else if ( options.force ) {
- range.move( 'character', -1 );
+ // Do nothing if hidden
+ if ( !$(this).is( ':hidden' ) ) {
+ 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();
}
- savedRange.select();
}
$(this).trigger( 'scrollToPosition' );
} );