mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-25 14:56:20 +00:00
778 lines
20 KiB
JavaScript
778 lines
20 KiB
JavaScript
/**
|
|
* Creates an ve.ce.Surface object.
|
|
*
|
|
* @class
|
|
* @constructor
|
|
* @param {jQuery} $container DOM Container to render surface into
|
|
* @param {ve.dm.Surface} model Surface model to view
|
|
*/
|
|
ve.ce.Surface = function( $container, model ) {
|
|
// Inheritance
|
|
ve.EventEmitter.call( this );
|
|
|
|
// References for use in closures
|
|
var _this = this,
|
|
$document = $( document ),
|
|
$window = $( window );
|
|
|
|
// Properties
|
|
this.model = model;
|
|
this.documentView = new ve.ce.DocumentNode( this.model.getDocument(), this );
|
|
this.contextView = null;
|
|
this.$ = $container
|
|
.addClass( 'es-surfaceView' )
|
|
.append( this.documentView.$ );
|
|
this.insertionAnnotations = [];
|
|
this.emitUpdateTimeout = undefined;
|
|
this.clipboard = {};
|
|
this.autoRender = false;
|
|
|
|
// Events
|
|
this.documentView.$.bind( {
|
|
'focus': function( e ) {
|
|
_this.documentOnFocus();
|
|
$document.unbind( '.ce-surfaceView' );
|
|
$document.bind( {
|
|
'keydown.ce-surfaceView': function( e ) {
|
|
return _this.onKeyDown( e );
|
|
}
|
|
} );
|
|
},
|
|
'blur': function( e ) {
|
|
_this.documentOnBlur();
|
|
$document.unbind( '.ce-surfaceView' );
|
|
}
|
|
} );
|
|
|
|
this.$
|
|
.on( 'cut copy', function( e ) {
|
|
_this.onCutCopy( e );
|
|
} )
|
|
.on( 'paste', function( e ) {
|
|
_this.onPaste( e );
|
|
} )
|
|
.on( 'mousedown', function( e ) {
|
|
return _this.onMouseDown( e );
|
|
} )
|
|
.on( 'compositionstart', function( e ) {
|
|
console.log('comp start');
|
|
_this.onCompositionStart( e );
|
|
} )
|
|
.on( 'compositionend', function( e ) {
|
|
console.log('comp end');
|
|
_this.onCompositionEnd( e );
|
|
} )
|
|
.on('dragover drop', function( e ) {
|
|
e.preventDefault();
|
|
} );
|
|
|
|
// Initialization
|
|
this.documentView.renderContent();
|
|
|
|
this.poll = {
|
|
'interval': null,
|
|
'frequency': 75,
|
|
'node': null,
|
|
'prevText': null,
|
|
'prevHash': null,
|
|
'prevOffset': null,
|
|
'compositionStart': null,
|
|
'compositionEnd': null
|
|
};
|
|
};
|
|
|
|
/* Methods */
|
|
|
|
ve.ce.Surface.prototype.annotate = function( method, annotation ) {
|
|
var range = this.getSelectionRange(),
|
|
_this = this;
|
|
|
|
if ( method === 'toggle' ) {
|
|
var annotations = this.getAnnotations();
|
|
if ( ve.dm.DocumentNode.getIndexOfAnnotation( annotations.full, annotation ) !== -1 ) {
|
|
method = 'clear';
|
|
} else {
|
|
method = 'set';
|
|
}
|
|
}
|
|
if ( range.getLength() ) {
|
|
var tx = this.model.getDocument().prepareContentAnnotation(
|
|
range, method, annotation
|
|
);
|
|
|
|
// transact with autoRender
|
|
this.autoRender = true;
|
|
this.model.transact( tx );
|
|
this.autoRender = false;
|
|
|
|
this.clearPollData();
|
|
|
|
_this.showSelection( range );
|
|
} else {
|
|
if ( method === 'set' ) {
|
|
this.addInsertionAnnotation( annotation );
|
|
} else if ( method === 'clear' ) {
|
|
this.removeInsertionAnnotation( annotation );
|
|
}
|
|
}
|
|
};
|
|
|
|
ve.ce.Surface.prototype.getAnnotations = function() {
|
|
return this.getSelection().getLength() ?
|
|
this.model.getDocument().getAnnotationsFromRange( this.getSelection() ) :
|
|
{
|
|
'full': this.insertionAnnotations,
|
|
'partial': [],
|
|
'all': this.insertionAnnotations
|
|
};
|
|
};
|
|
|
|
ve.ce.Surface.prototype.getInsertionAnnotations = function() {
|
|
return this.insertionAnnotations;
|
|
};
|
|
|
|
ve.ce.Surface.prototype.addInsertionAnnotation = function( annotation ) {
|
|
this.insertionAnnotations.push( annotation );
|
|
};
|
|
|
|
ve.ce.Surface.prototype.loadInsertionAnnotations = function( annotation ) {
|
|
this.insertionAnnotations =
|
|
this.model.getDocument().getAnnotationsFromOffset( this.getSelection().to - 1 );
|
|
// Filter out annotations that aren't textStyles or links
|
|
for ( var i = 0; i < this.insertionAnnotations.length; i++ ) {
|
|
if ( !this.insertionAnnotations[i].type.match( /(textStyle\/|link\/)/ ) ) {
|
|
this.insertionAnnotations.splice( i, 1 );
|
|
i--;
|
|
}
|
|
}
|
|
};
|
|
|
|
ve.ce.Surface.prototype.removeInsertionAnnotation = function( annotation ) {
|
|
var index = ve.dm.DocumentNode.getIndexOfAnnotation( this.insertionAnnotations, annotation );
|
|
if ( index !== -1 ) {
|
|
this.insertionAnnotations.splice( index, 1 );
|
|
}
|
|
};
|
|
|
|
ve.ce.Surface.prototype.clearInsertionAnnotations = function() {
|
|
this.insertionAnnotations = [];
|
|
};
|
|
|
|
ve.ce.Surface.prototype.onCutCopy = function( e ) {
|
|
var _this = this,
|
|
sel = rangy.getSelection(),
|
|
key = sel.getRangeAt(0).toString().replace( /\s/gm, '' );
|
|
|
|
_this.clipboard[key] = ve.copyArray( _this.documentView.model.getData( _this.getSelectionRange() ) );
|
|
|
|
if ( event.type == 'cut' ) {
|
|
setTimeout( function() {
|
|
// we don't like how browsers cut, so let's undo it and do it ourselves.
|
|
document.execCommand('undo', false, false);
|
|
|
|
var selection = _this.getSelectionRange();
|
|
|
|
// transact
|
|
var tx = _this.model.getDocument().prepareRemoval( selection );
|
|
|
|
_this.autoRender = true;
|
|
_this.model.transact( tx );
|
|
_this.autoRender = false;
|
|
|
|
_this.clearPollData();
|
|
|
|
// place cursor
|
|
_this.showCursor( selection.start );
|
|
}, 1 );
|
|
}
|
|
};
|
|
|
|
ve.ce.Surface.prototype.onPaste = function( e ) {
|
|
var _this = this,
|
|
insertionPoint = _this.getSelectionRange().start;
|
|
|
|
$('#paste')
|
|
.html('')
|
|
.show()
|
|
.css( 'top', $(window).scrollTop() )
|
|
.css( 'left', $(window).scrollLeft() )
|
|
.focus();
|
|
|
|
setTimeout( function() {
|
|
var key = $('#paste').hide().text().replace( /\s/gm, '' );
|
|
|
|
if ( _this.clipboard[key] ) {
|
|
// transact
|
|
var tx = _this.documentView.model.prepareInsertion(
|
|
insertionPoint, _this.clipboard[key]
|
|
);
|
|
_this.autoRender = true;
|
|
_this.model.transact( tx );
|
|
_this.autoRender = false;
|
|
|
|
_this.clearPollData();
|
|
|
|
// place cursor
|
|
_this.showCursor( insertionPoint + _this.clipboard[key].length );
|
|
} else {
|
|
alert('i can only handle copy/paste from hybrid surface. sorry. :(');
|
|
}
|
|
}, 1 );
|
|
};
|
|
|
|
ve.ce.Surface.prototype.onCompositionStart = function( e ) {
|
|
this.stopPolling();
|
|
var sel = rangy.getSelection();
|
|
this.poll.compositionStart = this.getOffset( sel.anchorNode, sel.anchorOffset, false );
|
|
};
|
|
|
|
ve.ce.Surface.prototype.onCompositionEnd = function( e ) {
|
|
var sel = rangy.getSelection();
|
|
this.poll.compositionEnd = this.getOffset( sel.focusNode, sel.focusOffset, false );
|
|
this.startPolling();
|
|
};
|
|
|
|
ve.ce.Surface.prototype.attachContextView = function( contextView ) {
|
|
this.contextView = contextView;
|
|
};
|
|
|
|
ve.ce.Surface.prototype.getModel = function() {
|
|
return this.model;
|
|
};
|
|
|
|
ve.ce.Surface.prototype.documentOnFocus = function() {
|
|
this.startPolling();
|
|
};
|
|
|
|
ve.ce.Surface.prototype.documentOnBlur = function() {
|
|
this.stopPolling();
|
|
};
|
|
|
|
ve.ce.Surface.prototype.startPolling = function() {
|
|
if ( this.poll.interval === null ) {
|
|
var _this = this;
|
|
setTimeout( function() {
|
|
_this.pollContent();
|
|
}, 0);
|
|
this.poll.interval = setInterval( function() {
|
|
_this.pollContent();
|
|
}, this.poll.frequency );
|
|
}
|
|
};
|
|
|
|
ve.ce.Surface.prototype.stopPolling = function() {
|
|
if ( this.poll.interval !== null ) {
|
|
clearInterval( this.poll.interval );
|
|
this.poll.interval = null;
|
|
}
|
|
};
|
|
|
|
ve.ce.Surface.prototype.clearPollData = function() {
|
|
this.stopPolling();
|
|
this.poll.prevText =
|
|
this.poll.prevHash =
|
|
this.poll.prevOffset =
|
|
this.poll.node = null;
|
|
this.startPolling();
|
|
};
|
|
|
|
ve.ce.Surface.prototype.pollContent = function() {
|
|
var localOffset, text, hash;
|
|
|
|
if ( this.poll.compositionStart !== null && this.poll.compositionEnd !== null ) {
|
|
|
|
text = ve.ce.Surface.getDOMText2( this.poll.node );
|
|
hash = ve.ce.Surface.getDOMHash( this.poll.node );
|
|
localOffset = this.poll.compositionEnd;
|
|
this.poll.compositionStart = null;
|
|
this.poll.compositionEnd = null;
|
|
|
|
} else {
|
|
var sel = rangy.getSelection();
|
|
|
|
if ( sel.anchorNode === null ) {
|
|
return;
|
|
}
|
|
|
|
var node = this.getLeafNode( sel.anchorNode )[0];
|
|
text = ve.ce.Surface.getDOMText2( node );
|
|
hash = ve.ce.Surface.getDOMHash( node );
|
|
|
|
if ( sel.anchorNode !== sel.focusNode || sel.anchorOffset !== sel.focusOffset ) {
|
|
localOffset = null;
|
|
} else {
|
|
localOffset = this.getOffset( sel.anchorNode, sel.anchorOffset, false );
|
|
}
|
|
|
|
if ( node !== this.poll.node ) {
|
|
// TODO: Read content from old node one more time
|
|
this.poll.node = node;
|
|
this.poll.prevText = text;
|
|
this.poll.prevHash = hash;
|
|
this.poll.prevOffset = localOffset;
|
|
return;
|
|
}
|
|
}
|
|
|
|
var newData, annotations;
|
|
|
|
if ( text !== this.poll.prevText ) {
|
|
var nodeOffset = this.documentView.getOffsetFromNode( $( this.poll.node ).data( 'view' ) ),
|
|
lengthDiff = text.length - this.poll.prevText.length,
|
|
offsetDiff = ( localOffset !== null && this.poll.prevOffset !== null ) ?
|
|
localOffset - this.poll.prevOffset : null;
|
|
|
|
if (
|
|
lengthDiff === offsetDiff &&
|
|
this.poll.prevText.substring( 0, this.poll.prevOffset ) ===
|
|
text.substring( 0, this.poll.prevOffset )
|
|
) {
|
|
newData = text.substring( this.poll.prevOffset, localOffset ).split( '' );
|
|
annotations = this.model.getDocument().getAnnotationsFromOffset(
|
|
nodeOffset + 1 + this.poll.prevOffset - 1, true
|
|
);
|
|
ve.dm.DocumentNode.addAnnotationsToData( newData, annotations );
|
|
this.model.transact( this.documentView.model.prepareInsertion(
|
|
nodeOffset + 1 + this.poll.prevOffset,
|
|
newData
|
|
) );
|
|
} else {
|
|
var sameFromLeft = 0,
|
|
sameFromRight = 0,
|
|
l = text.length > this.poll.prevText.length ?
|
|
this.poll.prevText.length : text.length;
|
|
while ( sameFromLeft < l && this.poll.prevText[sameFromLeft] === text[sameFromLeft] ) {
|
|
++sameFromLeft;
|
|
}
|
|
l = l - sameFromLeft;
|
|
while (
|
|
sameFromRight < l &&
|
|
this.poll.prevText[this.poll.prevText.length - 1 - sameFromRight] ===
|
|
text[text.length - 1 - sameFromRight]
|
|
) {
|
|
++sameFromRight;
|
|
}
|
|
annotations = this.model.getDocument().getAnnotationsFromOffset(
|
|
nodeOffset + 1 + sameFromLeft, true
|
|
);
|
|
this.model.transact( this.documentView.model.prepareRemoval( new ve.Range(
|
|
nodeOffset + 1 + sameFromLeft,
|
|
nodeOffset + 1 + this.poll.prevText.length - sameFromRight
|
|
) ) );
|
|
newData = text.substring( sameFromLeft, text.length - sameFromRight ).split( '' );
|
|
ve.dm.DocumentNode.addAnnotationsToData( newData, annotations );
|
|
this.model.transact( this.documentView.model.prepareInsertion(
|
|
nodeOffset + 1 + sameFromLeft,
|
|
newData
|
|
) );
|
|
}
|
|
this.poll.prevText = text;
|
|
}
|
|
if ( hash !== this.poll.prevHash ) {
|
|
// TODO: redisplay cursor in correct position (with setTimeout)
|
|
this.getLeafNode( this.poll.node ).data( 'view' ).renderContent();
|
|
this.poll.prevHash = hash;
|
|
}
|
|
|
|
this.poll.prevOffset = localOffset;
|
|
};
|
|
|
|
ve.ce.Surface.prototype.onMouseDown = function( e ) {
|
|
if ( this.poll.interval !== null ) {
|
|
this.stopPolling();
|
|
this.pollContent();
|
|
this.startPolling();
|
|
}
|
|
};
|
|
|
|
ve.ce.Surface.prototype.onKeyDown = function( e ) {
|
|
if ( this.poll.interval !== null ) {
|
|
this.stopPolling();
|
|
this.pollContent();
|
|
this.startPolling();
|
|
}
|
|
var sel,
|
|
globalOffset,
|
|
newOffset,
|
|
node,
|
|
nodeOffset;
|
|
switch ( e.keyCode ) {
|
|
// Enter
|
|
case 13:
|
|
this.handleEnter();
|
|
e.preventDefault();
|
|
break;
|
|
// Backspace
|
|
case 8:
|
|
this.handleDelete( true );
|
|
e.preventDefault();
|
|
break;
|
|
// Delete
|
|
case 46:
|
|
this.handleDelete( false );
|
|
e.preventDefault();
|
|
break;
|
|
// Left arrow
|
|
case 37:
|
|
sel = rangy.getSelection();
|
|
if ( sel.anchorOffset === 0 ) {
|
|
globalOffset = this.getOffset( sel.anchorNode, sel.anchorOffset, true );
|
|
node = this.documentView.getNodeFromOffset( globalOffset );
|
|
nodeOffset = surfaceView.documentView.getOffsetFromNode( node );
|
|
if ( nodeOffset + 1 === globalOffset ) {
|
|
newOffset = this.documentView.model.getRelativeContentOffset(
|
|
globalOffset, -1
|
|
);
|
|
this.showCursor(newOffset);
|
|
e.preventDefault();
|
|
}
|
|
}
|
|
break;
|
|
// Right arrow
|
|
case 39:
|
|
sel = rangy.getSelection();
|
|
if ( sel.anchorOffset === sel.anchorNode.length ) {
|
|
globalOffset = this.getOffset( sel.anchorNode, sel.anchorOffset, true );
|
|
node = this.documentView.getNodeFromOffset( globalOffset );
|
|
nodeOffset = surfaceView.documentView.getOffsetFromNode( node );
|
|
if ( nodeOffset + 1 + node.getContentLength() === globalOffset ) {
|
|
newOffset = this.documentView.model.getRelativeContentOffset(
|
|
globalOffset, 1
|
|
);
|
|
this.showCursor(newOffset);
|
|
e.preventDefault();
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
var range = this.getSelectionRange();
|
|
if ( range.getLength() !== 0 ) {
|
|
e.preventDefault();
|
|
}
|
|
};
|
|
|
|
ve.ce.Surface.prototype.getOffset = function( elem, offset, global ) {
|
|
var $leafNode = this.getLeafNode( elem ),
|
|
current = [$leafNode.contents(), 0],
|
|
stack = [current],
|
|
localOffset = 0;
|
|
|
|
while ( stack.length > 0 ) {
|
|
if ( current[1] >= current[0].length ) {
|
|
stack.pop();
|
|
current = stack[ stack.length - 1 ];
|
|
continue;
|
|
}
|
|
var item = current[0][current[1]];
|
|
var $item = current[0].eq( current[1] );
|
|
|
|
if ( item.nodeType === 3 ) {
|
|
if ( item === elem ) {
|
|
localOffset += offset;
|
|
break;
|
|
} else {
|
|
localOffset += item.textContent.length;
|
|
}
|
|
} else if ( item.nodeType === 1 ) {
|
|
if ( $( item ).attr( 'contentEditable' ) === 'false' ) {
|
|
offset += 1;
|
|
} else {
|
|
if ( item === elem ) {
|
|
localOffset += offset;
|
|
break;
|
|
}
|
|
|
|
stack.push( [$item.contents(), 0] );
|
|
current[1]++;
|
|
current = stack[stack.length-1];
|
|
continue;
|
|
}
|
|
}
|
|
current[1]++;
|
|
}
|
|
if ( global === true ) {
|
|
return this.documentView.getOffsetFromNode( $leafNode.data( 'view' ) ) + 1 + localOffset;
|
|
} else {
|
|
return localOffset;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @method
|
|
* @returns {ve.Range} Current selection range
|
|
*/
|
|
ve.ce.Surface.prototype.getSelectionRange = function() {
|
|
var rangySel = rangy.getSelection();
|
|
|
|
if ( rangySel.isCollapsed ) {
|
|
var offset = this.getOffset( rangySel.anchorNode, rangySel.anchorOffset, true );
|
|
return new ve.Range( offset, offset );
|
|
} else {
|
|
return new ve.Range(
|
|
this.getOffset( rangySel.anchorNode, rangySel.anchorOffset, true ),
|
|
this.getOffset( rangySel.focusNode, rangySel.focusOffset, true )
|
|
);
|
|
}
|
|
};
|
|
|
|
ve.ce.Surface.prototype.getDOMNodeAndOffset = function( offset ) {
|
|
var $node = this.documentView.getNodeFromOffset( offset ).$,
|
|
nodeOffset = this.documentView.getOffsetFromNode( $node.data('view') ) + 1,
|
|
current = [$node.contents(), 0],
|
|
stack = [current],
|
|
localNode,
|
|
localOffset;
|
|
|
|
while ( stack.length > 0 ) {
|
|
if ( current[1] >= current[0].length ) {
|
|
stack.pop();
|
|
current = stack[ stack.length - 1 ];
|
|
continue;
|
|
}
|
|
var item = current[0][current[1]],
|
|
$item = current[0].eq( current[1] );
|
|
|
|
if ( item.nodeType === 3 ) {
|
|
var length = item.textContent.length;
|
|
if ( offset >= nodeOffset && offset <= nodeOffset + length ) {
|
|
return {
|
|
node: item,
|
|
offset: offset - nodeOffset
|
|
};
|
|
break;
|
|
} else {
|
|
nodeOffset += length;
|
|
}
|
|
} else if ( item.nodeType === 1 ) {
|
|
if ( $( item ).attr('contentEditable') === 'false' ) {
|
|
nodeOffset += 1;
|
|
} else {
|
|
stack.push( [$item.contents(), 0] );
|
|
current[1]++;
|
|
current = stack[stack.length-1];
|
|
continue;
|
|
}
|
|
}
|
|
current[1]++;
|
|
}
|
|
return null;
|
|
};
|
|
|
|
|
|
/**
|
|
* @method
|
|
*/
|
|
ve.ce.Surface.prototype.showCursor = function( offset ) {
|
|
this.showSelection( new ve.Range( offset ) );
|
|
};
|
|
|
|
/**
|
|
* @method
|
|
*/
|
|
ve.ce.Surface.prototype.showSelection = function( range ) {
|
|
var start = this.getDOMNodeAndOffset( range.start ),
|
|
stop = this.getDOMNodeAndOffset( range.end ),
|
|
range = rangy.createRange(),
|
|
sel = rangy.getSelection();
|
|
range.setStart( start.node, start.offset );
|
|
range.setEnd( stop.node, stop.offset );
|
|
sel.setSingleRange( range );
|
|
};
|
|
|
|
ve.ce.Surface.prototype.getLeafNode = function( elem ) {
|
|
var $node = $( elem );
|
|
while( !$node.hasClass( 'ce-leafNode' ) ) {
|
|
$node = $node.parent();
|
|
}
|
|
return $node;
|
|
};
|
|
|
|
ve.ce.Surface.getDOMText2 = function( elem ) {
|
|
// TODO: there must be some better way to write this regex replace
|
|
var regex = new RegExp('[' + String.fromCharCode(32) + String.fromCharCode(160) + ']', 'g');
|
|
return ve.ce.Surface.getDOMText( elem ).replace( regex, ' ' );
|
|
};
|
|
|
|
ve.ce.Surface.getDOMText = function( elem ) {
|
|
var nodeType = elem.nodeType,
|
|
ret = '';
|
|
|
|
if ( nodeType === 1 || nodeType === 9 ) {
|
|
// Use textContent || innerText for elements
|
|
if ( typeof elem.textContent === 'string' ) {
|
|
return elem.textContent;
|
|
} else if ( typeof elem.innerText === 'string' ) {
|
|
// Replace IE's carriage returns
|
|
return elem.innerText.replace( /\r\n/g, '' );
|
|
} else {
|
|
// Traverse it's children
|
|
for ( elem = elem.firstChild; elem; elem = elem.nextSibling) {
|
|
ret += ve.ce.Surface.getDOMText( elem );
|
|
}
|
|
}
|
|
} else if ( nodeType === 3 || nodeType === 4 ) {
|
|
return elem.nodeValue;
|
|
}
|
|
|
|
return ret;
|
|
};
|
|
|
|
ve.ce.Surface.getDOMHash = function( elem ) {
|
|
var nodeType = elem.nodeType,
|
|
nodeName = elem.nodeName,
|
|
ret = '';
|
|
|
|
if ( nodeType === 3 || nodeType === 4 ) {
|
|
return '#';
|
|
} else if ( nodeType === 1 || nodeType === 9 ) {
|
|
ret += '<' + nodeName + '>';
|
|
// Traverse it's children
|
|
for ( elem = elem.firstChild; elem; elem = elem.nextSibling) {
|
|
ret += ve.ce.Surface.getDOMHash( elem );
|
|
}
|
|
ret += '</' + nodeName + '>';
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
ve.ce.Surface.prototype.handleDelete = function( backspace, isPartial ) {
|
|
this.stopPolling();
|
|
this.clearPollData();
|
|
var selection = this.getSelectionRange().clone(),
|
|
sourceOffset,
|
|
targetOffset,
|
|
sourceSplitableNode,
|
|
targetSplitableNode,
|
|
tx,
|
|
cursorAt;
|
|
// this.resetText();
|
|
if ( selection.from === selection.to ) {
|
|
if ( backspace ) {
|
|
sourceOffset = selection.to;
|
|
targetOffset = this.model.getDocument().getRelativeContentOffset(
|
|
sourceOffset,
|
|
-1
|
|
);
|
|
} else {
|
|
sourceOffset = this.model.getDocument().getRelativeContentOffset(
|
|
selection.to,
|
|
1
|
|
);
|
|
targetOffset = selection.to;
|
|
}
|
|
|
|
var sourceNode = this.documentView.getNodeFromOffset( sourceOffset, false ),
|
|
targetNode = this.documentView.getNodeFromOffset( targetOffset, false );
|
|
|
|
if ( sourceNode.model.getElementType() === targetNode.model.getElementType() ) {
|
|
sourceSplitableNode = ve.ce.Node.getSplitableNode( sourceNode );
|
|
targetSplitableNode = ve.ce.Node.getSplitableNode( targetNode );
|
|
}
|
|
|
|
cursorAt = targetOffset;
|
|
|
|
if ( sourceNode === targetNode ||
|
|
( typeof sourceSplitableNode !== 'undefined' &&
|
|
sourceSplitableNode.getParent() === targetSplitableNode.getParent() ) ) {
|
|
tx = this.model.getDocument().prepareRemoval(
|
|
new ve.Range( targetOffset, sourceOffset )
|
|
);
|
|
this.model.transact( tx );
|
|
} else {
|
|
tx = this.model.getDocument().prepareInsertion(
|
|
targetOffset, sourceNode.model.getContentData()
|
|
);
|
|
this.model.transact( tx );
|
|
|
|
var nodeToDelete = sourceNode;
|
|
ve.Node.traverseUpstream( nodeToDelete, function( node ) {
|
|
if ( node.getParent().children.length === 1 ) {
|
|
nodeToDelete = node.getParent();
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
} );
|
|
var range = new ve.Range();
|
|
range.from = this.documentView.getOffsetFromNode( nodeToDelete, false );
|
|
range.to = range.from + nodeToDelete.getElementLength();
|
|
tx = this.model.getDocument().prepareRemoval( range );
|
|
this.model.transact( tx );
|
|
}
|
|
} else {
|
|
// selection removal
|
|
tx = this.model.getDocument().prepareRemoval( selection );
|
|
this.model.transact( tx );
|
|
cursorAt = selection.start;
|
|
}
|
|
this.documentView.renderContent();
|
|
this.showCursorAt(cursorAt);
|
|
var _this = this;
|
|
setTimeout( function() {
|
|
_this.poll.prevText = _this.poll.prevHash = _this.poll.prevOffset = _this.poll.node = null;
|
|
_this.startPolling();
|
|
}, 0 );
|
|
|
|
};
|
|
|
|
ve.ce.Surface.prototype.handleEnter = function() {
|
|
this.stopPolling();
|
|
var selection = this.getSelectionRange().clone(),
|
|
tx;
|
|
if ( selection.from !== selection.to ) {
|
|
this.handleDelete( false, true );
|
|
}
|
|
var node = this.documentView.getNodeFromOffset( selection.to, false ),
|
|
nodeOffset = this.documentView.getOffsetFromNode( node, false );
|
|
|
|
if (
|
|
nodeOffset + node.getContentLength() + 1 === selection.to &&
|
|
node === ve.ce.Node.getSplitableNode( node )
|
|
) {
|
|
tx = this.documentView.model.prepareInsertion(
|
|
nodeOffset + node.getElementLength(),
|
|
[ { 'type': 'paragraph' }, { 'type': '/paragraph' } ]
|
|
);
|
|
this.model.transact( tx );
|
|
selection.from = selection.to = nodeOffset + node.getElementLength() + 1;
|
|
} else {
|
|
var stack = [],
|
|
splitable = false;
|
|
|
|
ve.Node.traverseUpstream( node, function( node ) {
|
|
var elementType = node.model.getElementType();
|
|
if (
|
|
splitable === true &&
|
|
ve.ce.DocumentNode.splitRules[ elementType ].children === true
|
|
) {
|
|
return false;
|
|
}
|
|
stack.splice(
|
|
stack.length / 2,
|
|
0,
|
|
{ 'type': '/' + elementType },
|
|
{
|
|
'type': elementType,
|
|
'attributes': ve.copyObject( node.model.element.attributes )
|
|
}
|
|
);
|
|
splitable = ve.ce.DocumentNode.splitRules[ elementType ].self;
|
|
return true;
|
|
} );
|
|
tx = this.documentView.model.prepareInsertion( selection.to, stack );
|
|
this.model.transact( tx );
|
|
selection.from = selection.to =
|
|
this.model.getDocument().getRelativeContentOffset( selection.to, 1 );
|
|
}
|
|
this.documentView.renderContent();
|
|
this.showCursorAt(selection.to);
|
|
var _this = this;
|
|
setTimeout( function() {
|
|
_this.poll.prevText = _this.poll.prevHash = _this.poll.prevOffset = _this.poll.node = null;
|
|
_this.startPolling();
|
|
}, 0 );
|
|
};
|
|
|
|
/* Inheritance */
|
|
|
|
ve.extendClass( ve.ce.Surface, ve.EventEmitter ); |