mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-30 00:55:00 +00:00
416 lines
9.9 KiB
JavaScript
416 lines
9.9 KiB
JavaScript
/**
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* ContentEditable surface.
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*
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* @class
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* @constructor
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* @param model {ve.dm.Surface} Model to observe
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*/
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ve.ce.Surface = function( $container, model ) {
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// Inheritance
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ve.EventEmitter.call( this );
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// Properties
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this.model = model;
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this.documentView = new ve.ce.Document( model.getDocument() );
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this.contextView = new ve.ui.Context( this );
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this.$ = $container;
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this.isMouseDown = false;
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this.clipboard = {};
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// Events
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this.$.on( {
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'mousedown': this.proxy( this.onMouseDown ),
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'mouseup': this.proxy( this.onMouseUp ),
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'mousemove': this.proxy( this.onMouseMove ),
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'cut copy': this.proxy( this.onCutCopy ),
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'paste': this.proxy( this.onPaste ),
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} );
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// Initialization
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this.$.append( this.documentView.documentNode.$ );
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try {
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document.execCommand( "enableObjectResizing", false, false );
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document.execCommand( "enableInlineTableEditing", false, false );
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} catch (e) { }
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};
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/* Methods */
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ve.ce.Surface.prototype.proxy = function( func ) {
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var _this = this;
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return( function() {
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return func.apply( _this, arguments );
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});
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};
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ve.ce.Surface.prototype.onMouseDown = function( e ) {
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this.isMouseDown = true;
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var $closestLeaf = $( e.target ).closest( '.ve-ce-leafNode' );
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if ( $closestLeaf.length > 0 ) {
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var nodeModel = $closestLeaf.data( 'node' ).getModel();
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var offset = nodeModel.getRoot().getOffsetFromNode( nodeModel );
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this.showCursor( offset );
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return false;
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}
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};
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ve.ce.Surface.prototype.onMouseUp = function( e ) {
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this.isMouseDown = false;
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var rangySel = rangy.getSelection();
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console.log("anchor", rangySel.anchorNode, rangySel.anchorOffset);
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var offset1 = this.getOffset( rangySel.anchorNode, rangySel.anchorOffset );
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console.log( 'offset1', offset1 );
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var offset2 = this.documentView.model.getNearestContentOffset( offset1 );
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console.log( 'offset2', offset2 );
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var offset3 = this.documentView.model.getNearestStructuralOffset( offset1, 0, true );
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console.log( 'offset3', offset3 );
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this.showCursor( offset1 );
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};
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ve.ce.Surface.prototype.onMouseMove = function( e ) {
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if ( this.isMouseDown === true ) {
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//...
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}
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};
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/**
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* @method
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*/
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ve.ce.Surface.prototype.onCutCopy = function( e ) {
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console.log('copying');
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var _this = this,
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sel = rangy.getSelection(),
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key = sel.getRangeAt(0).toString().replace( /\s/gm, '' );
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this.clipboard[key] = ve.copyArray(
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this.documentView.model.getData( this.getSelectionRange() )
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);
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console.log(this.clipboard);
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if ( event.type == 'cut' ) {
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setTimeout( function() {
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// we don't like how browsers cut, so let's undo it and do it ourselves.
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document.execCommand('undo', false, false);
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var selection = _this.getSelectionRange();
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// transact
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var tx = _this.model.getDocument().prepareRemoval( selection );
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_this.autoRender = true;
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_this.model.transact( tx );
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_this.autoRender = false;
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_this.clearPollData();
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// place cursor
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_this.showCursor( selection.start );
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}, 1 );
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}
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};
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/**
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* @method
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*/
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ve.ce.Surface.prototype.onPaste = function( e ) {
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return;
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var _this = this,
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insertionPoint = _this.getSelectionRange().start;
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$('#paste')
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.html('')
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.show()
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.css( 'top', $(window).scrollTop() )
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.css( 'left', $(window).scrollLeft() )
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.focus();
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setTimeout( function() {
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var key = $('#paste').hide().text().replace( /\s/gm, '' );
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if ( _this.clipboard[key] ) {
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// transact
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var tx = _this.documentView.model.prepareInsertion(
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insertionPoint, _this.clipboard[key]
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);
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_this.autoRender = true;
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_this.model.transact( tx );
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_this.autoRender = false;
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_this.clearPollData();
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// place cursor
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_this.showCursor( insertionPoint + _this.clipboard[key].length );
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} else {
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alert('i can only handle copy/paste from hybrid surface. sorry. :(');
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}
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}, 1 );
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};
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/**
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* @method
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* @param DOMnode {DOM Element} DOM Element
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* @param DOMoffset {Integer} DOM offset within the DOM Element
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* @returns {Integer} Linear model offset
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*/
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ve.ce.Surface.prototype.getOffset = function( DOMnode, DOMoffset ) {
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if ( DOMnode.nodeType === 3 ) {
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var $branch = $( DOMnode ).closest( '.ve-ce-branchNode' );
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var current = [$branch.contents(), 0],
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stack = [current],
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offset = 0;
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while ( stack.length > 0 ) {
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if ( current[1] >= current[0].length ) {
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stack.pop();
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current = stack[ stack.length - 1 ];
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continue;
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}
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var item = current[0][current[1]];
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var $item = current[0].eq( current[1] );
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if ( item.nodeType === 3 ) {
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if ( item === DOMnode ) {
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offset += DOMoffset;
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break;
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} else {
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offset += item.textContent.length;
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}
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} else if ( item.nodeType === 1 ) {
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if ( $( item ).hasClass( 've-ce-leafNode' ) ) {
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offset += 2;
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} else {
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if ( item === DOMnode ) {
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offset += DOMoffset;
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break;
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}
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stack.push( [$item.contents(), 0] );
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current[1]++;
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current = stack[stack.length-1];
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continue;
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}
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}
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current[1]++;
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}
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var branchModel = $branch.data( 'node' ).getModel();
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var branchOffset = branchModel.getRoot().getOffsetFromNode( branchModel );
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return offset + 1 + branchOffset;
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} else if ( DOMnode.nodeType === 1 ) {
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if ( DOMoffset === 0 ) {
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throw new "Not implemented";
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} else {
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var $node = $( DOMnode ).contents().eq( DOMoffset - 1 );
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var nodeModel = $node.data( 'node' ).getModel();
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var nodeOffset = nodeModel.getRoot().getOffsetFromNode( nodeModel );
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return nodeOffset + nodeModel.getOuterLength();
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}
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} else {
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throw new "Not implemented";
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}
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};
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/**
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* @method
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* @param elem {DOM Element} DOM Element
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* @returns {jQuery} jQuery element
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*/
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ve.ce.Surface.getBranchNode = function( elem ) {
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var $branch = $( elem ).closest( '.ve-ce-branchNode' );
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return $branch.length ? $branch : null;
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};
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/**
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* @method
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* @param offset {Integer} Linear model offset
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*/
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ve.ce.Surface.prototype.getDOMNodeAndOffset = function( offset ) {
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var $node = this.documentView.documentNode.getNodeFromOffset( offset ).$.closest( '.ve-ce-branchNode' ),
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startOffset = this.documentView.documentNode.getOffsetFromNode( $node.data( 'node' ) ) + 1,
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current = [$node.contents(), 0],
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stack = [current];
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while ( stack.length > 0 ) {
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if ( current[1] >= current[0].length ) {
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stack.pop();
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current = stack[ stack.length - 1 ];
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continue;
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}
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var item = current[0][current[1]],
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$item = current[0].eq( current[1] );
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if ( item.nodeType === 3 ) {
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var length = item.textContent.length;
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if ( offset >= startOffset && offset <= startOffset + length ) {
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console.log("Success 1");
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return { node: item, offset: offset - startOffset };
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} else {
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startOffset += length;
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}
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} else if ( item.nodeType === 1 ) {
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if ( $item.hasClass('ve-ce-slug') ) {
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return { node: $item[0], offset: 1 };
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} else if ( $item.is( '.ve-ce-branchNode, .ve-ce-leafNode' ) ) {
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var length = $item.data( 'node' ).model.getOuterLength();
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if ( offset >= startOffset && offset < startOffset + length ) {
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stack.push( [$item.contents(), 0] );
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current[1]++;
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current = stack[stack.length-1];
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continue;
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} else {
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startOffset += length;
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}
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} else {
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stack.push( [$item.contents(), 0] );
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current[1]++;
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current = stack[stack.length-1];
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continue;
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}
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}
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current[1]++;
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}
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throw new 'Shouldn\'t happen';
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return;
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var $node = this.documentView.documentNode.getNodeFromOffset( offset ).$.closest('.ve-ce-branchNode'),
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nodeOffset = this.documentView.documentNode.getOffsetFromNode( $node.data('node') ) + 1,
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current = [$node.contents(), 0],
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stack = [current],
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localNode,
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localOffset;
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console.log($node);
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return;
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while ( stack.length > 0 ) {
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if ( current[1] >= current[0].length ) {
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stack.pop();
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current = stack[ stack.length - 1 ];
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continue;
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}
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var item = current[0][current[1]],
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$item = current[0].eq( current[1] );
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console.log(nodeOffset, $item);
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if ( item.nodeType === 3 ) {
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var length = item.textContent.length;
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if ( offset >= nodeOffset && offset <= nodeOffset + length ) {
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return {
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node: item,
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offset: offset - nodeOffset
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};
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} else {
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nodeOffset += length;
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}
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} else if ( item.nodeType === 1 ) {
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if ( $( item ).is('.ve-ce-alienBlockNode, .ve-ce-alienInlineNode, .ve-ce-imageNode') ) {
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nodeOffset += 2;
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} else if ( $( item ).hasClass('ve-ce-slug') ) {
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if (nodeOffset == offset) {
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return {
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node: item,
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offset: 1
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};
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}
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} else {
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console.log(this.documentView.model.data);
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if ( ve.dm.Document.isStructuralOffset( this.documentView.model.data, nodeOffset) ) {
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console.log("EVER?");
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nodeOffset++;
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}
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stack.push( [$item.contents(), 0] );
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current[1]++;
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current = stack[stack.length-1];
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continue;
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}
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}
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current[1]++;
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}
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return null;
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};
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/**
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* @method
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*/
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ve.ce.Surface.prototype.showCursor = function( offset ) {
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this.showSelection( new ve.Range( offset ) );
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};
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/**
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* @method
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*/
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ve.ce.Surface.prototype.showSelection = function( range ) {
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var start = this.getDOMNodeAndOffset( range.start ),
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stop = this.getDOMNodeAndOffset( range.end ),
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rangySel = rangy.getSelection(),
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rangyRange = rangy.createRange();
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rangyRange.setStart( start.node, start.offset );
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rangyRange.setEnd( stop.node, stop.offset );
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rangySel.setSingleRange( rangyRange, range.start !== range.from );
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};
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/**
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* @method
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* @returns {ve.Range} Current selection range
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*/
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ve.ce.Surface.prototype.getSelectionRange = function() {
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var rangySel = rangy.getSelection();
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if ( rangySel.isCollapsed ) {
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var offset = this.getOffset( rangySel.anchorNode, rangySel.anchorOffset, true );
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return new ve.Range( offset, offset );
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} else {
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return new ve.Range(
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this.getOffset( rangySel.anchorNode, rangySel.anchorOffset, true ),
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this.getOffset( rangySel.focusNode, rangySel.focusOffset, true )
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);
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}
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};
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/**
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* @method
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*/
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ve.ce.Surface.prototype.getSelectionRect = function() {
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var rangySel = rangy.getSelection();
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return {
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start: rangySel.getStartDocumentPos(),
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end: rangySel.getEndDocumentPos()
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};
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};
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/* Inheritance */
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ve.extendClass( ve.ce.Surface, ve.EventEmitter );
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